CN102364409B - Touch device and adaptive method thereof - Google Patents
Touch device and adaptive method thereof Download PDFInfo
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- CN102364409B CN102364409B CN201110352823.7A CN201110352823A CN102364409B CN 102364409 B CN102364409 B CN 102364409B CN 201110352823 A CN201110352823 A CN 201110352823A CN 102364409 B CN102364409 B CN 102364409B
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/26—Power supply means, e.g. regulation thereof
- G06F1/32—Means for saving power
- G06F1/3203—Power management, i.e. event-based initiation of a power-saving mode
- G06F1/3206—Monitoring of events, devices or parameters that trigger a change in power modality
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
- G06F1/26—Power supply means, e.g. regulation thereof
- G06F1/32—Means for saving power
- G06F1/3203—Power management, i.e. event-based initiation of a power-saving mode
- G06F1/3234—Power saving characterised by the action undertaken
- G06F1/325—Power saving in peripheral device
- G06F1/3262—Power saving in digitizer or tablet
Abstract
The invention relates to a touch device. The touch device comprises a sensing unit, a detection unit, an identification analysis unit, a power supply control unit and an adaptive unit, wherein the sensing unit is used for sensing currently executed touch operation; the detection unit is connected with the sensing unit and is used for detecting a current sample value corresponding to the currently executed touch operation; the identification analysis unit identifies the currently executed touch operation according to the current sample value to obtain an identification result, and generates an identification control signal; the power supply unit comprises a power supply and a power supply mode with a plurality of energy consumption levels, and controls the power supply to enter the power supply mode at a corresponding energy consumption level according to the identification control signal; and the adaptive unit starts to time when the power supply control unit receives the identification control signal, if the power supply control unit does not receive a new identification control signal after exceeding a time threshold, transmits a signal at a reduced energy consumption level to the power supply control unit. Correspondingly, the inventor of the embodiment of the invention also provides a touch device adaptive method; and the power consumption of the touch device is reduced effectively.
Description
Technical field
The present invention relates to touch sensing technology, particularly touching device and adaptive approach thereof.
Background technology
At present, the consumption electronic product kind on market is more and more tending towards variation, and user requires also day by day to improve for the use impression of these consumption electronic products.And key system in consumption electronic product just becomes and affects the wherein key factor that user uses impression.Traditional mechanical key is because outward appearance is lofty attractive in appearance not and not easy to clean and be eliminated gradually, and limited also becoming reduced user and used one of reason of impression the serviceable life of mechanical key simultaneously.Therefore, on market, gradually adopted touch sensible button to substitute traditional mechanical key.Wherein, the design of capacitance type touch key is also that touch sensible is by a focus in key technology.
Yet strict demand is not made in the power consumption aspect to touching device in prior art, the power consumption of touching device is high.Along with prior art is more and more higher to the requirement of power consumption, how to reduce the power consumption of touching device, just become technical problem demanding prompt solution.
More data about touching device please refer to publication number for " CN101916502A ", and denomination of invention is the Chinese patent of " touch remote controller ".
Summary of the invention
The problem that the present invention solves is to provide a kind of touching device and adaptive approach thereof of low-power consumption.
For addressing the above problem, embodiments of the invention provide a kind of touching device, comprising:
Sensing unit, for responding to the touch operation of current execution;
Detecting unit, is electrically connected to described sensing unit, for detection of the corresponding current sample value of the touch operation with current execution;
Discriminance analysis unit, identifies the touch operation of current execution according to described current sample value, obtain recognition result, and produces identification control signal;
Power control unit, comprises power supply and a plurality of other electric source modes of energy consumption level, controls power supply enter corresponding other electric source modes of energy consumption level according to described identification control signal;
Adaptive unit, receives identification control signal from power control unit and starts timing, if described power control unit does not also receive new identification control signal after overtime threshold value, sends and reduces other signal of energy consumption level to power control unit.
Alternatively, described sensing unit comprises: induction zone; The electrode being oppositely arranged with described induction zone; Insulation course between described induction zone and electrode.
Alternatively, the switch that described induction zone is touching device.
Alternatively, described detecting unit comprises: the reference capacitance being electrically connected to described sensing unit, the electric charge shifting for receiving sensing unit; The counting unit being electrically connected to described reference capacitance, the number of times that while being filled for detection of described reference capacitance, in sensing unit, electric charge shifts, obtains current sample value.
Alternatively, also comprise: storage unit, a plurality of current sample value of store predetermined in the time, obtains long-term average according to described a plurality of current sample values.
Alternatively, described discriminance analysis unit comprises: reference unit, approaches induction threshold value and touch sensible threshold value for providing; Comparer, compares described current sample value and approaching induction threshold value or touch sensible threshold value.
Alternatively, described approach induction threshold value be described long-term average x doubly, the y that described touch sensible threshold value is described long-term average doubly, wherein, described 0 < y < x < 1.
Alternatively, the described induction threshold value that approaches is 5/16 of described long-term average, and described touch sensible threshold value is described long-term average 1/16.
Alternatively, described discriminance analysis unit comprises: reference unit, approaches induction threshold value, touch sensible threshold value and long-term average for providing; Comparer, doubly compares described current sample value and approaching induction threshold value and long-term average sum z times or the z of touch sensible threshold value and long-term average sum.
Alternatively, described z is 75% or 87.5%.
Alternatively, also comprise: apart from sensing unit, for according to operator before carrying out touch operation to carry out touch operation during this period of time in from the distance of the induction zone of sensing unit, decision operation person is gradually near sensing unit or gradually away from sensing unit, and judged result is sent to discriminance analysis unit.
Alternatively, described recognition result is non-inductive operation, approaches the operation of inductive operation or touch sensible.
Alternatively, described identification control signal is corresponding with described recognition result, for approaching induced signal or touch sensible signal.
Alternatively, described electric source modes is corresponding with described identification control signal, be at least deep sleep mode, approach induction trigger mode or touch sensible pattern, the energy consumption of described deep sleep mode is less than the described energy consumption that approaches induction trigger mode and touch sensible pattern, and the described energy consumption that approaches induction trigger mode is less than the energy consumption of described touch sensible pattern.
Alternatively, described power control unit comprises 8 different other electric source modes of energy consumption level.
Accordingly, the inventor of the embodiment of the present invention also provides a kind of touching device adaptive approach that adopts above-mentioned any touching device, comprising:
Touching device is provided, described sensing unit is carried out to touch operation;
Adopt detecting unit to detect described sensing unit, obtain the current sample value corresponding with touch operation;
Adopt discriminance analysis unit to obtain the described current sample value of detecting unit, identify described touch operation, obtain recognition result, and produce identification control signal;
Adopt the identification control signal control power supply that power control unit provides according to described discriminance analysis unit to enter corresponding other electric source modes of energy consumption level;
Adopt adaptive unit to receive identification control signal from power control unit and start timing, after power control unit overtime threshold value, also do not receive new identification control signal, send and reduce other signal of energy consumption level to power control unit.
Alternatively, the step that obtains the described current sample value corresponding with touch operation comprises: reference capacitance receives the electric charge that sensing unit shifts, the number of times that when counting unit detects described reference capacitance and is filled, in sensing unit, electric charge shifts, the number of times that described electric charge is shifted is as current sample value.
Alternatively, also comprise: a plurality of current sample value of cell stores in the stipulated time, obtains long-term average according to described a plurality of current sample values.
Alternatively, the described stipulated time is 2-5 second.
Alternatively, also comprise: reference unit provides approaches induction threshold value and touch sensible threshold value, described approach induction threshold value be described long-term average x doubly, the y that described touch sensible threshold value is described long-term average doubly, wherein, described 0 < y < x < 1.
Alternatively, the described induction threshold value that approaches is 5/16 of described long-term average, and described touch sensible threshold value is described long-term average 1/16.
Alternatively, the preparation method of described recognition result is: the relation between the current sample value that comparer comparison detecting unit obtains and approaching induction threshold value and touch sensible threshold value, when described current sample value is greater than touch sensible threshold value, and be less than or equal to described while approaching induction threshold value, recognition result is for approaching inductive operation, when described current sample value is greater than approaching induction threshold value, recognition result is non-inductive operation, when described current sample value is less than or equal to touch sensible threshold value, recognition result is touch sensible operation.
Alternatively, the preparation method of described recognition result is: the more described current sample value of comparer and approaching z times of responding to threshold value and long-term average sum, and the relation between the z of touch sensible threshold value and long-term average sum times, the z that is greater than touch sensible threshold value and long-term average sum when described current sample value doubly, and be less than or equal to while approaching induction threshold value and long-term average sum z times, recognition result is for approaching inductive operation, when described current sample value is greater than while approaching induction threshold value and long-term average sum z times, recognition result is non-inductive operation, when described current sample value is less than or equal to touch sensible threshold value and long-term average sum z times, recognition result is touch sensible operation.
Alternatively, described z is 75% or 87.5%.
Alternatively, also comprise: adopt apart from sensing unit according to operator before carrying out touch operation to carry out touch operation during this period of time in from the distance of the induction zone of sensing unit, decision operation person is gradually near sensing unit or gradually away from sensing unit, and judged result is sent to discriminance analysis unit.
Alternatively, described time threshold is 0-20 second.
Compared with prior art, embodiments of the invention have the following advantages:
The touching device of the embodiment of the present invention, comprise discriminance analysis unit, power control unit, described discriminance analysis unit provides current sample value by detecting unit, identify the kind of the touch operation of current execution, power control unit is controlled power supply according to the kind of the touch operation of current execution and is entered corresponding other electric source modes of energy consumption level, and the touching device of the embodiment of the present invention also comprises adaptive unit, can receive identification control signal from power control unit and start timing, if also do not receive new identification control signal at power control unit described in overtime threshold value, send and reduce other signal of energy consumption level to power control unit, reduced the power consumption of touching device.
In order to make the induction of described touching device more accurate, in described touching device, also comprise storage unit, can a plurality of current sample value of store predetermined in the time, according to described a plurality of current sample values, obtain long-term average, according to described long-term average, determine and approach induction threshold value and touch sensible threshold value again, to identify more accurately different touch operation.
In the touching device adaptive approach of the embodiment of the present invention, adaptive unit receives after identification control signal at power control unit, start timing, when overtime threshold value does not also receive new identification control signal, adaptive unit can send and reduce other signal of energy consumption level to power control unit, start one compared with the electric source modes of low energy consumption, can effectively reduce power consumption.Avoided the described touching device of long-time touch, and do not carried out other whens operation, the power supply of touching device is wasted the situation of unnecessary power consumption.
Accompanying drawing explanation
Fig. 1 is the modular structure schematic diagram of the touching device of the embodiment of the present invention;
Fig. 2 is the cross-sectional view of the sensing unit of the embodiment of the present invention;
Fig. 3 is the schematic flow sheet of the touching device adaptive approach of the embodiment of the present invention;
Fig. 4 is the fundamental diagram of the touching device adaptive approach of the embodiment of the present invention.
Embodiment
As described in background, the power consumption of the touch remote controller of prior art is higher, along with prior art is more and more higher to the requirement of power consumption, how to reduce the power consumption of touching device, just becomes technical problem demanding prompt solution.
Through research, inventor finds, the touch remote controller of prior art, mostly, aspect components and parts integrated, that choose low-power consumption, touch remote controller being improved to reduce power consumption, but ignored the power problems in operating process, for example, when user touches the induction zone of described touching device, even if do not carry out for a long time next operation, described touching device still can be in running order, and consumes power causes the power consumption of touching device higher.
Through further research, inventor finds, the power consumption of touch remote controller still has the space of downward, can in touch remote controller, increase an auto-adaptive time adjustment unit, when user touches behind the induction zone of described touching device, do not carry out at the appointed time next operation, touch remote controller becomes dormant state from duty automatically, to reduce power consumption.
Accordingly, the inventor of the embodiment of the present invention provides a kind of touching device and adaptive approach thereof.
For above-mentioned purpose of the present invention, feature and advantage can be become apparent more, below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in detail.A lot of details have been set forth in the following description so that fully understand the present invention.But the present invention can implement to be much different from alternate manner described here, and those skilled in the art can do similar popularization without prejudice to intension of the present invention in the situation that, so the present invention is not subject to the restriction of following public specific embodiment.
Secondly, the present invention utilizes schematic diagram to be described in detail, when the embodiment of the present invention is described in detail in detail; for ease of explanation; the sectional view that represents device architecture can be disobeyed general ratio and be done local amplification, and described schematic diagram is example, and it should not limit the scope of protection of the invention at this.The three-dimensional space that should comprise in addition, length, width and the degree of depth in actual fabrication.
Please refer to Fig. 1, the touching device of the embodiment of the present invention, comprising:
Sensing unit 101, for responding to the touch operation of current execution;
Detecting unit 103, is electrically connected to described sensing unit 101, for detection of the corresponding current sample value CS of the touch operation with current execution;
Described touching device can be touch remote controller or space mouse etc.Described touching device comprises metal touch panel, and described metal the touch panel detecting board and the insulation course between described metal touch panel and detecting board that are oppositely arranged.Touching device in the embodiment of the present invention is space mouse, and described space mouse is the attitude by identification space mouses such as gyroscope, acceleration of gravity instrument and space mouse pointer is positioned mainly.
Incorporated by reference to reference to figure 1 and Fig. 2, described sensing unit 101 comprises induction zone 201; The electrode 203 being oppositely arranged with described induction zone 201; Insulation course 207 between described induction zone 201 and electrode 203.Described induction zone 201, electrode 203 and insulation course 207 form an electric capacity, and described sensing unit 101 is an electric capacity, for responding to the touch operation of current execution.
In an embodiment of the present invention, the switch that described induction zone 201 is touching device, be arranged in metal touch panel 200, described induction zone 201 for example, isolates (not shown) mutually with other regions (metal key-press) on described metal touch panel 200, the material of described induction zone 201 can be identical with the material of metal touch panel 200, for example, be Copper Foil or other conductive materials; Described electrode 203 is arranged on detecting board 205, and described electrode 203 is Copper Foil, or also can be other known various conductive materials; The region of described insulation course 207 between described metal touch panel 200 and detecting board 205, the material of described insulation course 207 can be glass, or also can be other known various insulating material.
When described operator carries out touch operation to described induction zone 201, because operator is with it with static, described operator static charge with it can shift by described induction zone 201.Inventor finds, the touch operation difference that operator carries out described induction zone, and the situation that described static charge shifts also can be different.In an embodiment of the present invention, described touch operation is non-inductive operation, approaches a kind of in the operation of inductive operation or touch sensible.
Wherein, the described non-inductive operator of being operating as does not carry out any operation to described touching device, operator's static charge with it can not shift to detecting unit 103, only there is the electric charge of minute quantity to be subject to the impact of external environment such as temperature, humidity, noise etc., transferred in detecting unit 103, touching device is now in deep sleep state, only sensing unit, detecting unit and discriminance analysis unit are in running order, and the main control chip of touching device and gyroscope, acceleration of gravity instrument etc. all do not worked; Described approach inductive operation for operator from induction zone 201 close together, operator has had fraction static charge to escape in detecting unit 103 by the induction zone 201 of sensing unit 101 with it, touching device now partial function (for example waking the main control chip in touching device up) is opened, and enters half duty; Described touch sensible be operating as operator from induction zone 201 distance minimum or touched 201 surfaces, induction zone, now operator with it a large amount of static charge through the induction zone 201 of sensing unit 101, be transferred in detecting unit, the repertoire of described touching device is opened, comprise that gyroscope, acceleration of gravity instrument in touching device all start working, enter the state of full speed operation.
Please continue to refer to Fig. 1, described detecting unit 103 comprises: the reference capacitance (not shown) being electrically connected to the electrode of described sensing unit 101, the electric charge shifting for receiving sensing unit 101; The counting unit (not shown) being electrically connected to described reference capacitance, the number of times that while being filled for detection of described reference capacitance, in sensing unit, electric charge shifts, obtains current sample value CS.
In an embodiment of the present invention, described detecting unit 103 is also arranged on detecting board, described detecting unit 103 is electrically connected to sensing unit 101, reference capacitance in the detected unit of electric charge being shifted by sensing unit 101 receives, the electric capacity of described reference capacitance is less, conventionally adopt the electric capacity of pF level, for example 0.5pF, so described reference capacitance is easier to be full of by the electric charge shifting from sensing unit 101.In the time of can being full of with reference to the voltage at electric capacity two ends and described reference capacitance in embodiments of the invention, the voltage (reference voltage) at two ends compares, and just can learn whether described reference capacitance is full of; Described counting unit can be carried out record to the electric charge number of times shifting in the reference capacitance of detecting unit 103 to sensing unit 101, and the number of times that while being filled with reference to electric capacity, in sensing unit 101, electric charge shifts is designated as current sample value CS.The touch operation of identifying current execution according to described current sample value, obtains recognition result, and produces identification control signal.
It should be noted that, consider that different operators is with it with the static charge of difference amount, when carrying out identical touch operation, the amount of charge shifting is not identical, and be subject to the impact of environment, even same operator, under the different moment or different environment, while carrying out identical touch operation, the amount of charge shifting is not identical, not in the same time, when varying environment or different operating person carry out identical touch operation, the current sample value CS obtaining is not identical, in order to make touching device more accurate to operator's touch operation judgement, in described touching device, by wave filter, filtered the impact of surrounding environment on touching device, and, described touching device also comprises: storage unit (not shown), a plurality of current sample value CS of (for example 2-5 second (S)) in the store predetermined time, according to described a plurality of current sample values, obtain long-term average (Long Term Average, LTA).
It should be noted that, described storage unit can be set directly on detecting board, also can be integrated in detecting unit inside.
Please continue to refer to Fig. 1, described discriminance analysis unit 105 is electrically connected to the counting unit of described detecting unit 103, obtains current sample value CS, identifies the touch operation of current execution according to described current sample value CS, obtain recognition result, and produce identification control signal.
In an embodiment of the present invention, described discriminance analysis unit 105 comprises: reference unit (not shown), be electrically connected to comparer, and for providing, approach induction threshold value P
thwith touch sensible threshold value T
thgive comparer; Comparer (not shown), is electrically connected to respectively at counting unit in the reference unit in discriminance analysis unit 105 and detecting unit 103, and the current sample value CS that described comparer provides described counting unit and reference unit provide approaches induction threshold value P
thor touch sensible threshold value T
thcompare.
The described induction threshold value P that approaches
thwith touch sensible threshold value T
thall by current sample value CS, determine.Therefore, described reference unit is also electrically connected to the counting unit in described detecting unit 103, to obtain current sample value CS.
In an embodiment of the present invention, for eliminating the impact of surrounding environment on touching device, and for the recognition result that the discriminance analysis unit 105 of touching device is obtained more accurate, described reference unit is also electrically connected to filtrator, and described reference unit is realized with the counting unit in detecting unit 103 and being electrically connected to by storage unit, the described induction threshold value P that approaches
thwith touch sensible threshold value T
ththe mean value of the current sample value CS obtaining by the sampling in the stipulated time, long-term average (LTA) is determined.Particularly, the described induction threshold value P that approaches
thfor the x of described long-term average (LTA) doubly, described touch sensible threshold value T
thfor the y of described long-term average doubly, wherein, described 0 < y < x < 1.For example, the described induction threshold value P that approaches
thfor 5/16 of described long-term average, described touch sensible threshold value T
thfor 1/16 of described long-term average.
Described recognition result is non-inductive operation, approach inductive operation or touch sensible operation.
In one embodiment of the invention, the comparer in discriminance analysis unit 105 is by the current sample value CS and approaching induction threshold value P that are relatively obtained by detecting unit
thwith touch sensible threshold value T
thbetween relation, obtain recognition result.Particularly, when described current sample value CS is greater than touch sensible threshold value T
th, and be less than or equal to the described induction threshold value P that approaches
thtime, recognition result, for approaching induction (Proximity) operation, approaches induction threshold value P when described current sample value CS is greater than
thtime, recognition result is non-inductive operation, when described current sample value CS is less than or equal to touch sensible threshold value T
thtime, recognition result is touch sensible (Touch) operation.
In another embodiment of the present invention, the comparer in discriminance analysis unit 105 is by more described current sample value CS and approaching induction threshold value P
thz times and touch sensible threshold value T with long-term average LTA sum
thand the relation between the z of long-term average LTA sum times is determined recognition result.Particularly, when described current sample value CS is greater than touch sensible threshold value T
thwith the z of long-term average LTA sum doubly, and be less than or equal to and approach induction threshold value P
thduring with z times of long-term average LTA sum, recognition result, for approaching induction (Proximity) operation, approaches induction threshold value P when described current sample value CS is greater than
thduring with z times of long-term average LTA sum, recognition result is non-inductive operation, when described current sample value CS is less than or equal to touch sensible threshold value T
thduring with z times of long-term average LTA sum, recognition result is touch sensible (Touch) operation.In an embodiment of the present invention, described z is 75% or 87.5%.
It should be noted that, inventor finds, operator gradually near and during gradually away from the induction zone of described sensing unit, the situation that electric charge shifts can be different.When operator is during gradually away from the induction zone of described sensing unit, for example, from touch sensible, become while approaching touch sensible, likely can there is a fluctuation in the CS value recording, cause follow-up recognition result not accurate enough.In embodiments of the invention, also comprise: apart from sensing unit (not shown), for according to operator before carrying out touch operation to carry out touch operation during this period of time in from the distance of the induction zone of sensing unit, decision operation person is gradually near sensing unit or gradually away from sensing unit, when operator is during gradually away from the induction zone of described sensing unit, more described current sample value with approach induction threshold value P
thz times and touch sensible threshold value T with long-term average LTA sum
thand the recognition result obtaining after the relation between the z of long-term average LTA sum times is more accurate.
Described identification control signal is used for sending to power control unit, is beneficial to power control unit 107 control power supplys and enters different other electric source modes of energy consumption level.In an embodiment of the present invention, described identification control signal is corresponding one by one with described recognition result, when recognition result is non-inductive operation, does not produce identification control signal; When recognition result is when approaching inductive operation, produce and approach induced signal; When recognition result is touch sensible operation, produce touch sensible signal.
Described power control unit 107 is electrically connected to described discriminance analysis unit 105, comprises power supply 1071 and other electric source modes 1072 of a plurality of energy consumption level.Described electric source modes 1072 is corresponding with described identification control signal, be at least deep sleep mode, approach a kind of in induction trigger mode or touch sensible pattern, wherein, the energy consumption of described deep sleep mode is less than the described energy consumption that approaches induction trigger mode and touch sensible pattern, and the described energy consumption that approaches induction trigger mode is less than the energy consumption of described touch sensible pattern.
It should be noted that, in order more accurately power supply to be controlled, reduce energy consumption, in other embodiments of the invention, described power control unit 107 can also comprise 8 different other electric source modes of energy consumption level.
Described adaptive unit 109 is electrically connected to described discriminance analysis unit 105 and power control unit 107, for receive identification control signal from power control unit 107, start timing, if described power control unit 107 does not also receive new identification control signal after overtime threshold value, send and reduce other signal of energy consumption level to power control unit.Can effectively reduce power consumption.Avoided the described touching device of long-time touch, and do not carried out other whens operation, the power supply of touching device is wasted the situation of unnecessary power consumption.
Described time threshold can be set according to actual conditions, for example, described time threshold is made as to 0-20 second (S).
In one embodiment of the invention, described time threshold is 17S.Operator touches on surface, induction zone, touching device starts full speed operation, now electric source modes is touch sensible pattern, when touching, in the time on surface, induction zone, surpassed time threshold 17S, and operator does not carry out other operations, do not comprise other operations are carried out in induction zone, do not comprise other metal key-press on metal touch panel are carried out to other operations yet, 109 of adaptive units can send and reduce other signal of energy consumption level to power control unit 107 so, control power supply and enter the electric source modes compared with low energy consumption, enter and approach induction trigger mode, in time threshold 17S subsequently, if operator does not carry out touch operation to other metal key-press on the induction zone of touching device or metal touch panel, adaptive unit 109 can send another other signal of reduction energy consumption level to power control unit 107, control power supply and enter the electric source modes of more low energy consumption, it is penetration depth sleep pattern, if in time threshold 17S subsequently, operator carries out touch operation to other metal key-press on the induction zone of touching device or metal touch panel, the power supply of touching device returns to touch sensible pattern by approaching induction trigger mode.
It should be noted that, in order to make the structure of described touching device compacter, in an embodiment of the present invention, described discriminance analysis unit, power control unit, adaptive unit are all arranged on detecting board.
The touching device of the embodiment of the present invention, comprise discriminance analysis unit, power control unit, described discriminance analysis unit provides current sample value by detecting unit, identify the kind of the touch operation of current execution, power control unit is controlled power supply according to the kind of the touch operation of current execution and is entered corresponding other electric source modes of energy consumption level, and the touching device of the embodiment of the present invention also comprises adaptive unit, can receive identification control signal from power control unit and start timing, if also do not receive new identification control signal at power control unit described in overtime threshold value, send and reduce other signal of energy consumption level to power control unit, reduced the power consumption of touching device.
In order to make the induction of described touching device more accurate, in described touching device, also comprise storage unit, can a plurality of current sample value of store predetermined in the time, according to described a plurality of current sample values, obtain long-term average, according to described long-term average, determine and approach induction threshold value and touch sensible threshold value again, to identify more accurately different touch operation.
Accordingly, the inventor of the embodiment of the present invention also provides a kind of touching device adaptive approach, comprising:
Step S301, provides touching device, and described sensing unit is carried out to touch operation;
Step S303, adopts detecting unit to detect described sensing unit, obtains the current sample value corresponding with touch operation;
Step S305, adopts discriminance analysis unit to obtain the described current sample value of detecting unit, identifies described touch operation, obtains recognition result, and produces identification control signal;
Step S307, adopts the identification control signal control power supply that power control unit provides according to described discriminance analysis unit to enter corresponding other electric source modes of energy consumption level;
Step S309, adopts adaptive unit after power control unit overtime threshold value, also not receive new identification control signal, sends and reduces other signal of energy consumption level to power control unit.
Please refer to Fig. 4, touching device is provided, and described touching device comprises the sensing unit 101 described in above-described embodiment, detecting unit 103, discriminance analysis unit (not shown), power control unit (not shown) and adaptive unit (not shown).
Wherein, the switch that described sensing unit 101 is touching device, described sensing unit 101 comprises induction zone 301, described induction zone 301 is arranged in metal touch panel 300; With the electrode 303 that described induction zone 301 is oppositely arranged, described electrode 303 is arranged in detecting board 305; Insulation course 307 between described induction zone 301 and electrode 303.
Described detecting unit 103 comprises: the reference capacitance 311 being electrically connected to the electrode of described sensing unit 101, the electric charge shifting for receiving sensing unit 101; The counting unit 313 being electrically connected to described reference capacitance 311, the number of times that while being filled for detection of described reference capacitance 311, in sensing unit 101, electric charge shifts, obtains current sample value CS.
Described discriminance analysis unit is electrically connected to the counting unit 313 of described detecting unit 103, obtains current sample value CS, identifies the touch operation of current execution according to described current sample value CS, obtains recognition result, and produces identification control signal.
Described power control unit is electrically connected to described discriminance analysis unit, comprises power supply and a plurality of other electric source modes of energy consumption level.Described electric source modes is corresponding with described identification control signal, is at least deep sleep mode, approaches a kind of in induction trigger mode or touch sensible pattern.
Described adaptive unit is electrically connected to described discriminance analysis unit and power control unit, for receive identification control signal from power control unit, start timing, if described power control unit does not also receive new identification control signal after overtime threshold value, send and reduce other signal of energy consumption level to power control unit.
Concrete condition please refer in the embodiment of the present invention about the introduction of touching device, does not repeat them here.
Please refer to Fig. 4, described sensing unit is carried out to touch operation, touch operation is carried out in the induction zone 301 in 310 pairs of metal touch panels 300 of operator's (for example, with finger).Operator 310 static charge is with it transferred in the reference capacitance 311 of detecting unit 103 by sensing unit 101.
Please continue to refer to Fig. 4,103 pairs of described sensing units 101 of detecting unit detect, and obtain the current sample value CS corresponding with touch operation.
The electric capacity of described reference capacitance 311 is less, conventionally adopts the electric capacity of pF level, and for example 0.5pF, so described reference capacitance 311 is easier to be full of by the electric charge shifting from sensing unit 101.In embodiments of the invention, described reference capacitance 311 receives the electric charge that sensing unit 101 shifts, while being full of with reference to the voltage at electric capacity 311 two ends and described reference capacitance, the voltage (reference voltage) at two ends compares, and learns whether described reference capacitance is full of; Described counting unit 313 can be carried out record to the electric charge number of times shifting in the reference capacitance 311 of detecting unit 103 to sensing unit 101, the number of times that while being filled with reference to electric capacity 311, in sensing unit 101, electric charge shifts is designated as current sample value CS, and described current sample value CS is for the important evidence of the follow-up type as judgement touch operation.
It should be noted that, consider not in the same time, varying environment or different operating person be while carrying out identical touch operation, the current sample value CS obtaining is not identical, in order to make touching device more accurate to operator's touch operation judgement, in described touching device, by wave filter, filtered the impact of surrounding environment on touching device, and, described touching device adaptive approach, also comprise: a plurality of current sample value of cell stores in the stipulated time, according to described a plurality of current sample values, obtain long-term average (Long Term Average, LTA).Wherein, the described stipulated time is obtained after long-term experiment by those skilled in the art, and when the described stipulated time is 2-5S, the long-term average obtaining (LTA) has reference value most.
Subsequently, discriminance analysis unit obtains the described current sample value of detecting unit, identifies described touch operation, obtains recognition result, and produces identification control signal.
Described discriminance analysis unit comprises reference unit and comparer.Wherein, described reference unit is used for providing approaching induction threshold value P
thwith touch sensible threshold value T
th, in an embodiment of the present invention, the described induction threshold value P that approaches
thwith touch sensible threshold value T
thaccording to long-term average (LTA), obtain.The described induction threshold value P that approaches
thfor the x of described long-term average doubly, described touch sensible threshold value T
thfor the y of described long-term average doubly, wherein, described 0 < y < x < 1.Inventor, after research, obtains as the described induction threshold value P that approaches
thfor 5/16 of described long-term average, described touch sensible threshold value T
thfor 1/16 o'clock of described long-term average, follow-up judged result was the most accurate; Described comparer is used for judging current sample value CS and the described induction threshold value P that approaches
thwith touch sensible threshold value T
thbetween relation or judge current sample value and approach induction threshold value P
thz times and touch sensible threshold value T with long-term average LTA sum
thand the relation between the z of long-term average LTA sum times, draw recognition result.
Described recognition result is non-inductive operation, approach a kind of in inductive operation or touch sensible operation.
In one embodiment of the invention, the preparation method of described recognition result is: comparer obtains that reference unit provides approaches induction threshold value P
thwith touch sensible threshold value T
thand the detecting unit current sample value CS, more current sample value CS and the described induction threshold value P that approaches that provide
thwith touch sensible threshold value T
thbetween relation, when described current sample value CS is greater than touch sensible threshold value T
th, and be less than or equal to the described induction threshold value P that approaches
thtime, recognition result, for approaching inductive operation, approaches induction threshold value P when described current sample value CS is greater than
thtime, recognition result is non-inductive operation, when described current sample value CS is less than or equal to touch sensible threshold value T
thtime, recognition result is touch sensible operation.
In another embodiment of the present invention, the preparation method of described recognition result is: comparer obtains that reference unit provides approaches induction threshold value P
thwith touch sensible threshold value T
th, the current sample value CS that provides of the long-term average LTA that provides of storage unit and detecting unit, more described current sample value with approach induction threshold value P
thz times and touch sensible threshold value T with long-term average LTA sum
thand the relation between the z of long-term average LTA sum times, when described current sample value CS is greater than touch sensible threshold value T
thwith the z of long-term average LTA sum doubly, and be less than or equal to and approach induction threshold value P
thduring with z times of long-term average LTA sum, recognition result, for approaching inductive operation, approaches induction threshold value P when described current sample value CS is greater than
thduring with z times of long-term average LTA sum, recognition result is non-inductive operation, when described current sample value CS is less than or equal to touch sensible threshold value T
thduring with z times of long-term average LTA sum, recognition result is touch sensible operation.Wherein, the described induction threshold value that approaches is 5/16 of described long-term average, and described touch sensible threshold value is described long-term average 1/16; Described z is 75% or 87.5%.
It should be noted that, inventor finds, operator gradually near and during gradually away from the induction zone of described sensing unit, the situation that electric charge shifts can be different.When operator is during gradually away from the induction zone of described sensing unit, for example, from touch sensible, become while approaching touch sensible, likely can there is a fluctuation in the CS value recording, cause follow-up recognition result not accurate enough.Inventor after further research, find, also need apart from sensing unit according to operator before carrying out touch operation to carry out touch operation during this period of time in from the distance of the induction zone of sensing unit, decision operation person is gradually near sensing unit or gradually away from sensing unit, and judged result is sent to discriminance analysis unit.When operator is during gradually away from the induction zone of described sensing unit, the more described current sample value in discriminance analysis unit with approach induction threshold value P
thz times and touch sensible threshold value T with long-term average LTA sum
thand the recognition result obtaining after the relation between the z of long-term average LTA sum times is more accurate.
The recognition result that described discriminance analysis unit obtains according to comparer produces described identification control signal, and described identification control signal is corresponding with described recognition result, for approaching a kind of in induced signal or touch sensible signal.
Described power control unit, after receiving the identification control signal that described discriminance analysis unit provides, is controlled power supply according to described identification control signal and is entered corresponding other electric source modes of energy consumption level.Described electric source modes is corresponding with described identification control signal, be at least deep sleep mode, approach a kind of in induction trigger mode or touch sensible pattern, the energy consumption of described deep sleep mode is less than the described energy consumption that approaches induction trigger mode and touch sensible pattern, and the described energy consumption that approaches induction trigger mode is less than the energy consumption of described touch sensible pattern.For example, when recognition result is non-inductive touch, electric source modes is deep sleep mode; Or recognition result is when approaching touch sensitive, and electric source modes is for approaching induction trigger mode; Or when recognition result is touch sensible, described electric source modes is touch sensible pattern.
It should be noted that in other embodiments of the invention, can also there is more other electric source modes of multipotency consumption level, for example 8, can control more accurately the energy consumption of touching device, be more conducive to energy-conservation.
Described adaptive unit starts timing from power control unit receives an identification control signal, if also do not receive new identification control signal after power control unit overtime threshold value, can send and reduce other signal of energy consumption level to power control unit, power supply is entered than the electric source modes of the lower one-level of current energy consumption rank, to save energy, reduce energy consumption.
Described time threshold can be set according to actual conditions by those skilled in the art or operator, and described time threshold is 0-20S.In an embodiment of the present invention, described time threshold is made as 17S.In one embodiment of the invention, operator touches on surface, induction zone, touching device starts full speed operation, now electric source modes is touch sensible pattern, when touching, in the time on surface, induction zone, surpassed time threshold 17S, and operator does not carry out other operations, do not comprise other operations are carried out in induction zone, do not comprise other metal key-press on metal touch panel are carried out to other operations yet, adaptive unit can send and reduce other signal of energy consumption level to power control unit so, control power supply and enter the electric source modes compared with low energy consumption; In time threshold 17S subsequently, if operator does not carry out touch operation to other metal key-press on the induction zone of touching device or metal touch panel, adaptive unit can send another other signal of reduction energy consumption level to power control unit, control power supply and enter the electric source modes of more low energy consumption, if in time threshold 17S subsequently, operator carries out touch operation to other metal key-press on the induction zone of touching device or metal touch panel, and the power supply of touching device returns to touch sensible pattern by approaching induction trigger mode.
The touching device adaptive approach of the embodiment of the present invention, when power control unit receives after identification control signal, adaptive unit starts timing, if overtime threshold value does not also receive new identification control signal, adaptive unit can reduce other signal of energy consumption level to power control unit, start one compared with the electric source modes of low energy consumption, can effectively reduce power consumption.Avoided the described touching device of long-time touch, and do not carried out other whens operation, the power supply of touching device is wasted the situation of unnecessary power consumption.If carried out other touch operation in time threshold, power control unit receives identification control signal, and adaptive unit can not send and reduce other signal of energy consumption level to power control unit.
To sum up, the touching device of the embodiment of the present invention, comprise discriminance analysis unit, power control unit, described discriminance analysis unit provides current sample value by detecting unit, identify the kind of the touch operation of current execution, power control unit is controlled power supply according to the kind of the touch operation of current execution and is entered corresponding other electric source modes of energy consumption level, and the touching device of the embodiment of the present invention also comprises adaptive unit, can receive identification control signal from power control unit and start timing, if also do not receive new identification control signal at power control unit described in overtime threshold value, send and reduce other signal of energy consumption level to power control unit, reduced the power consumption of touching device.
In order to make the induction of described touching device more accurate, in described touching device, also comprise storage unit, can a plurality of current sample value of store predetermined in the time, according to described a plurality of current sample values, obtain long-term average, according to described long-term average, determine and approach induction threshold value and touch sensible threshold value again, to identify more accurately different touch operation.
In the touching device adaptive approach of the embodiment of the present invention, adaptive unit receives after identification control signal at power control unit, start timing, when overtime threshold value does not also receive new identification control signal, adaptive unit can reduce other signal of energy consumption level to power control unit, start one compared with the electric source modes of low energy consumption, can effectively reduce power consumption.Avoided the described touching device of long-time touch, and do not carried out other whens operation, the power supply of touching device is wasted the situation of unnecessary power consumption.
Although the present invention with preferred embodiment openly as above; but it is not for limiting the present invention; any those skilled in the art without departing from the spirit and scope of the present invention; can utilize method and the technology contents of above-mentioned announcement to make possible change and modification to technical solution of the present invention; therefore; every content that does not depart from technical solution of the present invention; any simple modification, equivalent variations and the modification above embodiment done according to technical spirit of the present invention, all belong to the protection domain of technical solution of the present invention.
Claims (24)
1. a touching device, comprising:
Sensing unit, for responding to the touch operation of current execution;
It is characterized in that, also comprise:
Detecting unit, is electrically connected to described sensing unit, and for detection of the corresponding current sample value of the touch operation with current execution, described detecting unit specifically comprises: the reference capacitance being electrically connected to described sensing unit, the electric charge shifting for receiving sensing unit; The counting unit being electrically connected to described reference capacitance, the number of times that while being filled for detection of described reference capacitance, in sensing unit, electric charge shifts, obtains current sample value;
Discriminance analysis unit, identifies the touch operation of current execution according to described current sample value, obtain recognition result, and produces identification control signal;
Power control unit, comprises power supply and a plurality of other electric source modes of energy consumption level, controls power supply enter corresponding other electric source modes of energy consumption level according to described identification control signal;
Adaptive unit, receives identification control signal from power control unit and starts timing, if described power control unit does not also receive new identification control signal after overtime threshold value, sends and reduces other signal of energy consumption level to power control unit.
2. touching device as claimed in claim 1, is characterized in that, described sensing unit comprises: induction zone; The electrode being oppositely arranged with described induction zone; Insulation course between described induction zone and electrode.
3. touching device as claimed in claim 2, is characterized in that, the switch that described induction zone is touching device.
4. touching device as claimed in claim 1, is characterized in that, also comprises: storage unit, a plurality of current sample value of store predetermined in the time, obtains long-term average according to described a plurality of current sample values.
5. touching device as claimed in claim 4, is characterized in that, described discriminance analysis unit comprises: reference unit, approaches induction threshold value and touch sensible threshold value for providing; Comparer, compares described current sample value and approaching induction threshold value or touch sensible threshold value.
6. touching device as claimed in claim 5, it is characterized in that, described approach induction threshold value be described long-term average x doubly, the y that described touch sensible threshold value is described long-term average is doubly, wherein, described 0<y<x<1.
7. touching device as claimed in claim 5, is characterized in that, the described induction threshold value that approaches is 5/16 of described long-term average, and described touch sensible threshold value is described long-term average 1/16.
8. touching device as claimed in claim 4, is characterized in that, described discriminance analysis unit comprises: reference unit, approaches induction threshold value, touch sensible threshold value and long-term average for providing; Comparer, doubly compares described current sample value and approaching induction threshold value and long-term average sum z times or the z of touch sensible threshold value and long-term average sum.
9. touching device as claimed in claim 8, is characterized in that, described z is 75% or 87.5%.
10. touching device as claimed in claim 1, it is characterized in that, also comprise: apart from sensing unit, for according to operator before carrying out touch operation to carry out touch operation during this period of time in from the distance of the induction zone of sensing unit, decision operation person is gradually near sensing unit or gradually away from sensing unit, and judged result is sent to discriminance analysis unit.
11. touching devices as claimed in claim 1, is characterized in that, described recognition result is non-inductive operation, approach inductive operation or touch sensible operation.
12. touching devices as claimed in claim 1, is characterized in that, described identification control signal is corresponding with described recognition result, for approaching induced signal or touch sensible signal.
13. touching devices as claimed in claim 1, it is characterized in that, described electric source modes is corresponding with described identification control signal, be at least deep sleep mode, approach induction trigger mode or touch sensible pattern, the energy consumption of described deep sleep mode is less than the described energy consumption that approaches induction trigger mode and touch sensible pattern, and the described energy consumption that approaches induction trigger mode is less than the energy consumption of described touch sensible pattern.
14. touching devices as claimed in claim 1, is characterized in that, described power control unit comprises 8 different other electric source modes of energy consumption level.
The touching device adaptive approach of 15. 1 kinds of employings touching device as described in any one in claim 1-14, comprising:
Touching device is provided, described sensing unit is carried out to touch operation;
It is characterized in that, also comprise:
Adopt detecting unit to detect described sensing unit, reference capacitance receives the electric charge that sensing unit shifts, the number of times that when counting unit detects described reference capacitance and is filled, in sensing unit, electric charge shifts, the number of times that described electric charge is shifted is as the current sample value corresponding with touch operation;
Adopt discriminance analysis unit to obtain the described current sample value of detecting unit, identify described touch operation, obtain recognition result, and produce identification control signal;
Adopt the identification control signal control power supply that power control unit provides according to described discriminance analysis unit to enter corresponding other electric source modes of energy consumption level;
Adopt adaptive unit to receive identification control signal from power control unit and start timing, after power control unit overtime threshold value, also do not receive new identification control signal, send and reduce other signal of energy consumption level to power control unit.
16. touching device adaptive approachs as claimed in claim 15, is characterized in that, also comprise: a plurality of current sample value of cell stores in the stipulated time, obtains long-term average according to described a plurality of current sample values.
17. touching device adaptive approachs as claimed in claim 16, is characterized in that, the described stipulated time is 2-5 second.
18. touching device adaptive approachs as claimed in claim 16, it is characterized in that, also comprise: reference unit provides approaches induction threshold value and touch sensible threshold value, described approach induction threshold value be described long-term average x doubly, the y that described touch sensible threshold value is described long-term average doubly, wherein, described 0<y<x<1.
19. touching device adaptive approachs as claimed in claim 18, is characterized in that, the described induction threshold value that approaches is 5/16 of described long-term average, and described touch sensible threshold value is described long-term average 1/16.
20. touching device adaptive approachs as described in claim 18 or 19, it is characterized in that, the preparation method of described recognition result is: the relation between the current sample value that comparer comparison detecting unit obtains and approaching induction threshold value and touch sensible threshold value, when described current sample value is greater than touch sensible threshold value, and be less than or equal to described while approaching induction threshold value, recognition result is for approaching inductive operation, when described current sample value is greater than approaching induction threshold value, recognition result is non-inductive operation, when described current sample value is less than or equal to touch sensible threshold value, recognition result is touch sensible operation.
21. touching device adaptive approachs as described in claim 18 or 19, it is characterized in that, the preparation method of described recognition result is: the more described current sample value of comparer and approaching z times of responding to threshold value and long-term average sum, and the relation between the z of touch sensible threshold value and long-term average sum times, the z that is greater than touch sensible threshold value and long-term average sum when described current sample value doubly, and be less than or equal to while approaching induction threshold value and long-term average sum z times, recognition result is for approaching inductive operation, when described current sample value is greater than while approaching induction threshold value and long-term average sum z times, recognition result is non-inductive operation, when described current sample value is less than or equal to touch sensible threshold value and long-term average sum z times, recognition result is touch sensible operation.
22. touching device adaptive approachs as claimed in claim 21, is characterized in that, described z is 75% or 87.5%.
23. touching device adaptive approachs as claimed in claim 15, it is characterized in that, also comprise: adopt apart from sensing unit according to operator before carrying out touch operation to carry out touch operation during this period of time in from the distance of the induction zone of sensing unit, decision operation person is gradually near sensing unit or gradually away from sensing unit, and judged result is sent to discriminance analysis unit.
24. touching device adaptive approachs as claimed in claim 15, is characterized in that, described time threshold is 0-20 second.
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| CN201110352823.7A CN102364409B (en) | 2011-11-09 | 2011-11-09 | Touch device and adaptive method thereof |
| PCT/CN2011/083041 WO2013067723A1 (en) | 2011-11-09 | 2011-11-28 | Touch device and adaptive method thereof |
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| CN104049818B (en) * | 2013-03-13 | 2017-03-08 | 十速兴业科技（深圳）有限公司 | Capacitance touch control system, its initial method and its detect touch control method |
| CN103605419B (en) * | 2013-10-29 | 2017-01-04 | 厦门美图网科技有限公司 | Energy-conservation and the guard method of a kind of mobile device photographic head and device |
| US9715297B2 (en) * | 2015-06-30 | 2017-07-25 | Synaptics Incorporated | Flexible display and touch driver IC architecture |
| CN106371754A (en) * | 2016-08-31 | 2017-02-01 | 成都前锋电子仪器有限责任公司 | Environment self-adaptive algorithm of capacitive touch button |
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| CN101387904A (en) * | 2007-09-10 | 2009-03-18 | 汉王科技股份有限公司 | Electromagnetical type touch screen electricity saving device |
| JP5284364B2 (en) * | 2007-11-19 | 2013-09-11 | サーク・コーポレーション | Touchpad with combined display and proximity and touch detection capabilities |
| KR101495164B1 (en) * | 2008-04-10 | 2015-02-24 | 엘지전자 주식회사 | Mobile terminal and method for processing screen thereof |
| TW201011604A (en) * | 2008-09-12 | 2010-03-16 | Holtek Semiconductor Inc | Power saving apparatus and method for wireless mouse |
| CN201600668U (en) * | 2009-09-28 | 2010-10-06 | 北京汇冠新技术股份有限公司 | Touch system |
| JP2011086179A (en) * | 2009-10-16 | 2011-04-28 | Sony Corp | Device and method for inputting information, information input/output device, information input program, and electronic apparatus |
| US8669949B2 (en) * | 2009-11-06 | 2014-03-11 | Bose Corporation | Touch-based user interface touch sensor power |
| US20110242043A1 (en) * | 2010-04-06 | 2011-10-06 | Mark Yarvis | Device with capacitive touchscreen panel and method for power management |
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| US5396443A (en) * | 1992-10-07 | 1995-03-07 | Hitachi, Ltd. | Information processing apparatus including arrangements for activation to and deactivation from a power-saving state |
| CN101963865A (en) * | 2010-09-30 | 2011-02-02 | 江苏惠通集团有限责任公司 | Touch identification method, touch key structure and touch device |
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