CN103970292A - Optical pointing device and optical pointing judgment method - Google Patents
Optical pointing device and optical pointing judgment method Download PDFInfo
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- CN103970292A CN103970292A CN201310044542.4A CN201310044542A CN103970292A CN 103970292 A CN103970292 A CN 103970292A CN 201310044542 A CN201310044542 A CN 201310044542A CN 103970292 A CN103970292 A CN 103970292A
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- optical point
- light beam
- sidewall
- press section
- determination methods
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Abstract
The invention relates to an optical pointing device and an optical pointing judgment method applied to measuring the direction that a user's finger points to. The optical pointing device comprises a cover, a light source, and a sensor. The cover is provided with a push portion and a sidewall; the push portion has a first surface and a second surface opposite to the first surface; the sidewall extends down from the edge of the second surface. The light source is used for providing a main beam, which can be transmitted to the push portion of the cover so as to form a first beam penetrating the push portion and a second beam reflected by the second surface. The sensor is used for receiving the second beam reflected by the second surface, and judging the second beam by an algorithm so as to output first shift coordinates. The light source and the sensor are covered with the cover; the sidewall is flexible. The optical pointing device and the optical pointing judgment method have the advantages that an operator can be provided with corresponding feedback force during operating so as to precisely locate a vernier, and a more visual operating mode is provided.
Description
Technical field
The invention relates to a kind of optical point device and determination methods thereof; Particularly about a kind of optical point device and determination methods thereof being used on digital mobile apparatus.
Background technology
Digital mobile apparatus, as notebook computer, it is compared to traditional desk-top computer, because have the convenience carrying, in usefulness performance, can contend with desk-top computer gradually, therefore become first selection of majority in the time buying computer product.
But, also because the considering of carrying convenience, how notebook computer only will classify basic outfit as in order to the keyboard that carries out word input, and replaces traditional slide-mouse with Trackpad, cause inadequate intuition in the operation of vernier, and on using, be also relatively not suitable for carrying out the dilatory action of object.
The notebook computer of part type, point to key though can be provided with a vernier in key entry area more, to attempt can to carry out vernier operation more fast for user, but be to adopt mechanism to move and the cause of pressure sensitive because this vernier points to key, though thereby can provide user to move feel in operation is upper, in use, be still difficult to give quick and instant reaction.
Except aforesaid notebook computer, the digital mobile apparatus of other kinds, as mobile phone, because be limited to the configuration in screen size and key-press input district, although point to key therefore can be equiped with similar in appearance to aforesaid vernier, but mechanism moves and pressure responsive element because lacking, make outside the weary mobile feel of this series products deferrization, on using, be also difficult to equally give quick and instant reaction.
In view of this, how providing a kind of and have mobile feel and can give fast and optical point device and the determination methods thereof of immediate reaction, is an industry problem demanding prompt solution for this reason.
Summary of the invention
An object of the present invention is to provide a kind of optical point device, and it can, in order to provide one to move feel, can relatively obtain corresponding feedback power for user in the time operating.
Another object of the present invention is to provide a kind of determination methods of optical point device, its finger that can work as user pushes away when motionless toward a fixed-direction, still carries out phase-detection with moving cursor.
For reaching above-mentioned purpose, optical point device of the present invention comprises a lid, a light source and a sensor (sensor).Lid has a press section and a sidewall, and press section has a first surface and a second surface relative with first surface, and sidewall from the periphery of second surface to downward-extension.Light source is in order to a main beam to be provided, and the suitable press section that can be emitted to lid of main beam, penetrates one first light beam of press section and one second light beam as second surface reflection to form.Suitable second light beam that can be received as second surface reflection of sensor, and utilize an algorithm to carry out the judgement of the second light beam, to export one first displacement coordinate.Wherein, light source and sensor are covered by lid, and sidewall is to have flexible sidewall.
Beneficial effect of the present invention is: by the present invention, allow user can relatively obtain corresponding feedback power in the time of operation, vernier is located more accurately, and the more operator scheme of intuition is provided.
For above-mentioned purpose, technical characterictic and advantage can be become apparent, below coordinate appended graphic being elaborated with preferred embodiment.
Brief description of the drawings
Fig. 1 is optical point device of the present invention and finger contact and the sectional view that is not pushed;
Fig. 2 is optical point device of the present invention and finger contact and the sectional view that is pushed; And
Fig. 3 is the block diagram of optical point determination methods of the present invention.
Reference numeral
100 optical point devices
110 lids
112 press sections
112a first surface
112b second surface
114 sidewalls
120 light sources
122 main beams
122a the first light beam
122b the second light beam
130 sensors
200 fingers
Embodiment
As shown in Figure 1, an optical point device 100 of the present invention, points 200 sensing in order to measure a user, so that digital mobile apparatus to be provided, as notebook computer or mobile phone etc., carries out the movement of the vernier on screen.
As shown in the figure, optical point device 100 of the present invention comprises a lid 110, a light source 120 and a sensor 130.Wherein, lid 110 has a press section 112 and a sidewall 114, and press section 112 has a first surface 112a and a second surface 112b relative with first surface 112a, and sidewall 114 from the periphery of second surface 112b to downward-extension.Light source 120 is in order to a main beam 122 to be provided, and the suitable press section 112 that can be emitted to lid 110 of main beam 122, penetrates one first light beam 122a of press section 112 and the one second light beam 122b as second surface 112b reflection to form.Need to remind, for convenience of description of the invention, the finger 200 in graphic is only signal with the size of optical point device 100, is not the ratio of practical operation.And light source 120 and sensor 130 are all covered by lid 110, sidewall 114 is for having flexible sidewall simultaneously.
Please continue with reference to figure 2, when user's finger 200 promotes lid 110, and the light path that makes the second light beam 122b is while changing, the suitable second light beam 122b that can be received as second surface 112b reflection of sensor 130, and utilize an algorithm to carry out the judgement that the second light beam 122b changes, move for vernier to export one first displacement coordinate.
In this simultaneously, aforesaid the first light beam 122a is after penetrating press section 112, suitable 200, a finger that can be user reflects, and suitable can the reception of sensor 130 suffers finger 200 the first light beam 122a that reflect, and utilize this algorithm to carry out the judgement of the first light beam 122a, to export one second displacement coordinate.Thus, sensor 130 just can be upper in the mobile basis of the first displacement coordinate, adds the numerical value of the second displacement coordinate to judge, changes to obtain slider position more accurately.
In addition, because the sidewall 114 of this case is to have flexible sidewall, therefore ought be as shown in Figure 2, while making user's finger 200 promote lid 110, sidewall 114 can move horizontally according to of press section 112, produce reducible distortion and form one and move feel, and then can relatively obtain corresponding feedback power for user when the operation.
In the present invention, light source 120 is preferably a LED light source or an infrared light sources, but not with this as restriction.In addition, on the second surface 112b of press section 112, can be provided with multiple patterns, make second surface 112b become tool patterned surface, cause the second light beam 122b being reflected by second surface 112b can produce significant bright dark variation, aid sensors 130, in the time receiving the second light beam 122b, is utilized algorithm to carry out location determination more accurately.
Preferably, sidewall 114 is by rubber, PU(Polyurethane formyl, Polyurethane) etc. material form, to provide required for the present invention flexible, and then produce reducible distortion and mobile feel.In other words, also can, by the material such as rubber, PU of mediation different proportion, to form the sidewall 114 with different mobile feel, cause lid 110 to there is different feedback powers and select for user in those of ordinary skill in the art.On the other hand, 112 of the press sections of lid 110 are by PC(polycarbonate, Polycarbonate), PMMA(polymethylmethacrylate, PolymethylMethacrylate), ABS(acrylonitrile-butadiene-styrene copolymer, Acrylonitrile Butadiene Styrene) etc. material form, so that the suitable reflection of main beam 122/penetrate interface to be provided.
As shown in Figure 3, the present invention also provides a kind of determination methods of optical point, and it has following steps.First, as shown in step 301 and step 302, first provide after light source 120 and sensor 130, then provide lid 110 to cover light source 120 and sensor 130.Then, as shown in step 303, utilize the press section 112 that light source 120 has towards lid 110 to launch main beam 122, the second light beam 122b that main beam 122 is formed penetrate the first light beam 122a of press section 112 and reflect for the second surface 112b of press section 112.Finally, as shown in step 304 and step 305, when after the second light beam 122b that the second surface 112b that utilizes sensor 130 to be received as press section 112 reflects, just can utilize an algorithm to carry out the judgement of the second light beam 122b, move for vernier to export the first displacement coordinate.Suitable with, by abovementioned steps, just can complete easily the determination methods of optical point of the present invention.
On the other hand, if the finger 200 that occurs user toward a fixed-direction (as only toward top direction, or only toward below direction) while pushing away motionless situation, as shown in step 306, when the second light beam 122b after sensor 130 judgement reflection is in a fixed-direction and while having a fixed-area (being that size does not change), continue output the first displacement coordinate, make that vernier is sustainable to be moved along this fixed-direction.
In addition, aforesaid determination methods also can further have following steps.As shown in step 307, make user's finger 200 reflect the first light beam 122a, and as shown in step 308, utilize sensor 130 to receive and suffer finger 200 the first light beam 122a that reflect, and as shown in step 309, utilize aforesaid algorithm to carry out the judgement of the first light beam 122a, to export the second displacement coordinate.Thereby, because sensor 130 can receive the second light beam 122b of second surface 112b of reflection self-pressing portion 112 simultaneously, and reflection is from the first light beam 122a of finger 200, therefore the determination methods of optical point of the present invention, just be able to calculating respectively after the first displacement coordinate and the second displacement coordinate, for optical point device 100 carries out more accurately location action with driving vernier.
Similar in appearance to aforementioned, if while occurring that user's finger 200 pushes away motionless situation toward a fixed-direction, as described in step 310, when the first light beam 122a after sensor 130 judgement reflection is in a fixed-direction and while having a fixed-area, can continue to export this second displacement coordinate, make that vernier is sustainable to be moved along this fixed-direction.
In sum, by disclosed optical point device 100, in the time that user's finger 200 promotes lid 110, will be there is the feel of movement because of the effect of flexible side walls 114, in the time operating, can relatively obtain corresponding feedback power for user.On the other hand, the determination methods of disclosed optical point, also can the judgement to the first light beam 122a and the second light beam 122b by aforementioned algorithm, and vernier is located more accurately; And when user's finger 200 pushes away when motionless toward a fixed-direction, sensor 130 will still carry out phase-detection with moving cursor, thereby the more operator scheme of intuition is provided.
The above embodiments are only used for exemplifying enforcement aspect of the present invention, and explain technical characterictic of the present invention, are not used for limiting protection category of the present invention.Any be familiar with this operator can unlabored change or the arrangement of isotropism all belong to the scope that the present invention advocates, the scope of the present invention should be as the criterion with claims.
Claims (17)
1. an optical point device, in order to measure a sensing of pointing of a user, is characterized in that, described optical point device comprises:
One lid, has a press section and a sidewall, and described press section has a first surface and a second surface relative with described first surface, and described sidewall from the periphery of described second surface to downward-extension;
One light source, in order to a main beam to be provided, described main beam is emitted to the described press section of described lid, penetrates one first light beam of described press section and one second light beam as described second surface reflection to form; And
One sensor, is received as described second light beam of described second surface reflection, and utilizes an algorithm to carry out the judgement of described the second light beam, to export one first displacement coordinate;
Wherein, described light source and described sensor are covered by described lid, and described sidewall is to have flexible sidewall.
2. optical point device according to claim 1, is characterized in that, the described finger that described the first light beam that penetrates described press section is described user is reflected, and described sensor is received as described the first light beam that described finger reflects.
3. optical point device according to claim 2, is characterized in that, described sensor receives after described the first light beam that described finger reflects, and utilizes described algorithm to carry out the judgement of described the first light beam, to export one second displacement coordinate.
4. optical point device according to claim 1, is characterized in that, described sidewall moves horizontally according to one of described press section, produces reducible distortion.
5. optical point device according to claim 1, is characterized in that, described light source is a LED light source.
6. optical point device according to claim 1, is characterized in that, described second surface is provided with multiple patterns.
7. optical point device according to claim 1, is characterized in that, described sidewall is mainly made up of rubber, Polyurethane formyl material.
8. optical point device according to claim 1, is characterized in that, described press section is mainly made up of polycarbonate, polymethylmethacrylate, ABS polymer.
9. an optical point determination methods, measures the sensing of a finger of a user, it is characterized in that, described optical point determination methods comprises the following step:
(a) provide a light source and a sensor;
(b) provide a lid to cover described light source and described sensor;
(c) utilize the press section that described light source has towards described lid to launch a main beam, one second light beam that described main beam is formed penetrate one first light beam of described press section and reflect for a second surface of described press section;
(d) described the second light beam that the described second surface that utilizes described sensor to be received as described press section reflects; And
(e) utilize an algorithm to carry out the judgement of described the second light beam, to export one first displacement coordinate.
10. optical point determination methods according to claim 9, is characterized in that, described optical point determination methods more comprises the following step:
(f) when described the second light beam after judgement reflection is in a fixed-direction and while having a fixed-area, continue described the first displacement coordinate of output.
11. optical point determination methods according to claim 10, is characterized in that, described optical point determination methods more comprises the following step:
(g) make described user's described finger reflect described the first light beam;
(h) utilize described sensor to be received as described the first light beam that described finger reflects; And
(i) utilize described algorithm to carry out the judgement of described the first light beam, to export one second displacement coordinate.
12. optical point determination methods according to claim 11, is characterized in that, described optical point determination methods more comprises the following step:
(j) when described the first light beam after judgement reflection is in a fixed-direction and while having a fixed-area, continue described the second displacement coordinate of output.
13. optical point determination methods according to claim 9, is characterized in that, described press section has the first surface with respect to described second surface, and described second surface is provided with multiple patterns.
14. optical point determination methods according to claim 13, is characterized in that, described lid has a sidewall, and described sidewall from the periphery of described second surface to downward-extension.
15. optical point determination methods according to claim 14, is characterized in that, described sidewall is to have flexible sidewall.
16. optical point determination methods according to claim 15, is characterized in that, described sidewall moves horizontally according to one of described press section, produces reducible distortion.
17. optical point determination methods according to claim 16, is characterized in that, described sidewall is mainly made up of rubber, Polyurethane formyl material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310044542.4A CN103970292B (en) | 2013-02-04 | 2013-02-04 | Optical pointing device and optical pointing judgment method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310044542.4A CN103970292B (en) | 2013-02-04 | 2013-02-04 | Optical pointing device and optical pointing judgment method |
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| Publication Number | Publication Date |
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| CN103970292A true CN103970292A (en) | 2014-08-06 |
| CN103970292B CN103970292B (en) | 2017-04-12 |
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Citations (5)
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| US6061177A (en) * | 1996-12-19 | 2000-05-09 | Fujimoto; Kenneth Noboru | Integrated computer display and graphical input apparatus and method |
| CN101369184A (en) * | 2007-08-13 | 2009-02-18 | 捷讯研究有限公司 | Tactile touchscreen for electronic device |
| CN101539824A (en) * | 2008-03-20 | 2009-09-23 | 原相科技股份有限公司 | Optical control device and method for judging control action |
| CN101866419A (en) * | 2009-04-14 | 2010-10-20 | 株式会社日立制作所 | Person authentication device |
| US20120211656A1 (en) * | 2011-02-22 | 2012-08-23 | Research In Motion Limited | Mobile device with proximity sensor |
-
2013
- 2013-02-04 CN CN201310044542.4A patent/CN103970292B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6061177A (en) * | 1996-12-19 | 2000-05-09 | Fujimoto; Kenneth Noboru | Integrated computer display and graphical input apparatus and method |
| CN101369184A (en) * | 2007-08-13 | 2009-02-18 | 捷讯研究有限公司 | Tactile touchscreen for electronic device |
| CN101539824A (en) * | 2008-03-20 | 2009-09-23 | 原相科技股份有限公司 | Optical control device and method for judging control action |
| CN101866419A (en) * | 2009-04-14 | 2010-10-20 | 株式会社日立制作所 | Person authentication device |
| US20120211656A1 (en) * | 2011-02-22 | 2012-08-23 | Research In Motion Limited | Mobile device with proximity sensor |
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| CN103970292B (en) | 2017-04-12 |
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