CN105095635A - Portable device capable of compensating motion error to measure heartbeat information, heartbeat information measuring method and heartbeat information measuring system - Google Patents
Portable device capable of compensating motion error to measure heartbeat information, heartbeat information measuring method and heartbeat information measuring system Download PDFInfo
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- CN105095635A CN105095635A CN201410406147.0A CN201410406147A CN105095635A CN 105095635 A CN105095635 A CN 105095635A CN 201410406147 A CN201410406147 A CN 201410406147A CN 105095635 A CN105095635 A CN 105095635A
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- heartbeat message
- portable apparatus
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- photosignal
- movement error
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- 238000000034 method Methods 0.000 title claims abstract description 23
- 230000003287 optical effect Effects 0.000 claims abstract description 49
- 238000005259 measurement Methods 0.000 claims abstract description 46
- 230000008859 change Effects 0.000 claims abstract description 28
- 230000009471 action Effects 0.000 claims abstract description 22
- 238000012545 processing Methods 0.000 claims abstract description 19
- 230000008520 organization Effects 0.000 claims description 37
- 238000012937 correction Methods 0.000 claims description 24
- 230000011664 signaling Effects 0.000 claims description 9
- 230000009466 transformation Effects 0.000 claims description 6
- 210000000707 wrist Anatomy 0.000 claims description 5
- 239000000654 additive Substances 0.000 claims description 3
- 230000000996 additive effect Effects 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 10
- 108091008695 photoreceptors Proteins 0.000 description 7
- 238000006243 chemical reaction Methods 0.000 description 4
- 230000001133 acceleration Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 210000004204 blood vessel Anatomy 0.000 description 3
- 230000008602 contraction Effects 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 239000008280 blood Substances 0.000 description 1
- 210000004369 blood Anatomy 0.000 description 1
- 230000017531 blood circulation Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000010247 heart contraction Effects 0.000 description 1
- NHDHVHZZCFYRSB-UHFFFAOYSA-N pyriproxyfen Chemical compound C=1C=CC=NC=1OC(C)COC(C=C1)=CC=C1OC1=CC=CC=C1 NHDHVHZZCFYRSB-UHFFFAOYSA-N 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
Abstract
A portable device capable of compensating motion errors to measure heartbeat information comprises a portable device body and a heartbeat information measuring system, wherein the heartbeat information measuring system comprises an optical device and a piezoelectric device which are arranged on the portable device body; the piezoelectric device detects the pressure change applied to the organic tissue by the portable device body due to the action of a user and generates a piezoelectric signal; and a central processing unit carries out compensation operation on the photoelectric signal according to the piezoelectric signal and converts the photoelectric signal into heartbeat information. A heartbeat information measuring method and a heartbeat information measuring system are also provided to improve the accuracy and stability of heartbeat information measurement.
Description
Technical field
The present invention is that relevant a kind of heartbeat message measures, particularly a kind of can compensating movement error to measure the portable apparatus of heartbeat message, method for measurement and measurement system thereof.
Background technology
Light is squeezed into skin histology and via the Strength Changes of reflected light to detect contraction and the expansion of blood vessel, has been proved to be the feasible method measuring heartbeat, generally speaking, one comprises for the optical devices measuring heartbeat the light emitting diode launched in several wavelength range, and one or the photoreceptor of several photodiode, when light emitting diode irradiates a part of organic organization, such as during skin, light in organic organization's inscattering/reflection and part absorbed, photoreceptor is then in order to detect this scattering/reflected light, change along with blood flow pulse can cause the intensity of scattering/reflected light to change, on the whole the frequency of its change corresponds to the frequency of pulse beat, therefore via detecting scattered light intensity signal and after treated computing, i.e. fechtable heartbeat message.
Again, at present in order to increase the convenience of heartbeat measurement, above-mentioned optical devices are configured at it human body, to measure with oneself and at any time with the form of hand wrist-watch or bracelet.But this kind is easily subject to the action of light and shade and wearer arround environment residing for wearer with the method that the Strength Changes measuring light measures heartbeat and has influence on accuracy and the stability of measurement.At present on arround the impact of light and shade can cover (area namely strengthening watch dial) via optical filter and increasing and be improved; And the interference of action is mainly divided into displacement and compressing two kinds, the interference adjustable watchband of displacement to be that slightly tight wearing overcomes, the interference of compressing is then owing to also can be compressed to blood vessel, and the impact therefore for signal is disturbed much larger than other.
For the overcoming of interference of action, tradition often uses acceleration sensor (G-sensor) to carry out the auxiliary correction carrying out signal.But because wrist-watch there is no fixing position wearing on hand, wrist twisting (non-moving) especially is more by a small margin not sufficient to cause acceleration sensor start, but this twisting has been enough to allow optical measurement signal produce error.Therefore acceleration sensor set up not one overcome action interference feasible pattern.
Summary of the invention
In order to solve the problem, one of the object of the invention is propose the heartbeat message method for measurement that one can compensate the measuring error that traditional optical formula heartbeat measurement device (system) causes because of action, measurement system, and apply the portable apparatus of this system/method, wherein via one piezo-electric device detecting portable apparatus body and user organic organization between pressure change, using the compensating signal as a kind of photosignal, user can be improved and heartbeat message will be measured to the puzzlement caused between action, and then when utilizing optical devices to carry out the measurement of heartbeat message, there is the advantage of the high and good stability of accuracy.
In order to achieve the above object, one embodiment of the invention compensating movement error can comprise a portable apparatus body and a heartbeat message measurement system with the portable apparatus measuring heartbeat message, heartbeat message measurement system comprises: optical devices, be arranged on portable apparatus body, when portable apparatus body is worn by a user, optical devices are organic organizations of contact user, to sense the physiological signal of organic organization and to produce a photosignal of corresponding physiological signal; One piezo-electric device, be arranged on portable apparatus body, when portable apparatus body is worn by user, piezo-electric device is that detecting portable apparatus body changes the pressure that organic organization applies because of user's action, and produces a piezoelectric signal of corresponding pressure change; And a CPU (central processing unit), being electrically connected optical devices and piezo-electric device, to compensate computing according to piezoelectric signal to photosignal, to obtain photosignal after a correction, and is a heartbeat message by photoelectric signal transformation after this correction.
One embodiment of the invention can the method for measurement of heartbeat message of compensating movement error, it is applied to a portable apparatus, can the method for measurement of heartbeat message of compensating movement error comprise: the organic organization contacting a user with optical devices, to sense the physiological signal of organic organization and to produce an optical signalling of corresponding physiological signal, and optical signalling is converted to one first digital signal; Change with the pressure that a piezo-electric device detecting portable apparatus applies organic organization because of user's action and produce a piezoelectric signal of corresponding pressure change, and piezoelectric signal being converted to one second digital signal; According to the second digital signal, a compensation operation step is carried out to the first digital signal, to obtain photosignal after a correction; And computing is carried out, to obtain a heartbeat message to photosignal after correction.
One embodiment of the invention can the heartbeat message measurement system of compensating movement error, it is applied to a portable apparatus, can the heartbeat message measurement system of compensating movement error comprise: optical devices, in order to contact the organic organization of a user, to sense the physiological signal of organic organization and to produce a photosignal of corresponding physiological signal; One piezo-electric device, in order to detect portable apparatus because of user's action to the pressure change that organic organization applies, and produces a piezoelectric signal of corresponding pressure change; And a CPU (central processing unit), be electrically connected optical devices and piezo-electric device, with according to piezoelectric signal, computing compensated to photosignal, to obtain photosignal after a correction, and by corrections afterwards photoelectric signal transformation be a heartbeat message.
Accompanying drawing explanation
Figure 1 shows that one embodiment of the invention can compensating movement error to measure the block schematic diagram of the portable apparatus of heartbeat message.
Figure 2 shows that the portable apparatus schematic diagram of the watch kenel of one embodiment of the invention.
Figure 3 shows that piezoelectric patches element and the optical devices configuration schematic diagram of one embodiment of the invention.
The piezoelectric patches element of an embodiment shown in Fig. 4 a and Fig. 4 b and optical devices stack schematic diagram.
Figure 5 shows that one embodiment of the invention can the block schematic diagram of method for measurement of heartbeat message of compensating movement error.
Figure 6 shows that one embodiment of the invention can the block schematic diagram of heartbeat message measurement system of compensating movement error.
Symbol description
10 portable apparatus
12 portable apparatus bodies
14 heartbeat message measurement systems
18 optical devices
20 piezo-electric devices
22 CPU (central processing unit)
24 watches
26 basal surfaces
28 light source components
30 photoreceptors
32 piezoelectric patches elements
34 storage elements
Embodiment
Figure 1 shows that one embodiment of the invention can compensating movement error to measure the block schematic diagram of the portable apparatus of heartbeat message, as shown in Figure 1, compensating movement error can comprise portable apparatus body 12 and a heartbeat message measurement system 14 with the portable apparatus 10 measuring heartbeat message, wherein heartbeat message measurement system 14 comprises optical devices 18, one piezo-electric device 20 and a CPU (central processing unit) 22, optical devices 18 are arranged on portable apparatus body 12, when being worn by a user with convenient portable apparatus body 12, optical devices 18 can contact the organic organization of user, to sense the physiological signal of organic organization and to produce a photosignal of corresponding physiological signal, piezo-electric device 20 is also arranged on portable apparatus body 12 again, when portable apparatus body 12 is worn by user, piezo-electric device 20 can detect portable apparatus body 12 because of user's action to the pressure change that organic organization applies, and produces a piezoelectric signal of corresponding pressure change, photoelectric signal transformation after this correction, to compensate computing to photosignal according to piezoelectric signal, to obtain photosignal after a correction, and is a heartbeat message by CPU (central processing unit) 22 electric connection optical devices 18 and piezo-electric device 20.
In an embodiment, portable apparatus body is the similar type adopting watch, please refer to the portable apparatus schematic diagram of watch kenel that Figure 2 shows that one embodiment of the invention, as shown in Figure 2, watch 24 shell has a basal surface 26, the photoreceptor 30 that optical devices 18 comprise a light source component 28 and coordinate with light source component 28, in an embodiment, light source component 28 arranges and is revealed in the middle section of basal surface 26, and photoreceptor 30 is arranged at around light source component 28, wherein light source component 28 can be a light emitting diode, and photoreceptor 30 can be a photodiode, piezo-electric device 20 comprises at least one piezoelectric patches element, and in an embodiment, piezo-electric device 20 (being shown in Fig. 1) comprises two piezoelectric patches elements 32 and is arranged at the basal surface 26 of watch 24 and lays respectively at two sides of light source component 28, CPU (central processing unit) 22 is arranged at watch 24 inside again, and in an embodiment, CPU (central processing unit) 22 can be combined with the control system of general control watch 24 start, or exist separately.
When watch 24 is worn on the wrist of user, the basal surface 26 of watch 24 and the organic organization of user, such as skin contact, and after the utilizing emitted light that light source component 28 produces propagates in organic organization, owing to being subject to the change of blood pulse, utilizing emitted light is modulated, utilizing emitted light after modulation is then received by photoreceptor 30, and the radiative photosignal produced after this modulation corresponding, wherein contain the physiological signal in organic organization in photosignal, the instruction of such as heartbeat; Simultaneously, piezoelectric patches element 32 also can detect basal surface 26 pairs of institute of organic organization applied pressures of watch 24, along with the action of user, contact between watch 24 and organic organization can change, then piezo-electric device 20 piezoelectric signal producing corresponding this pressure change are to CPU (central processing unit) 22, to compensate computing according to piezoelectric signal to photosignal via CPU (central processing unit) 22.
For example, when the action due to user makes the pressure between watch 24 and skin become large, the contraction of blood vessel is except directly being caused by heart contraction, also the compressing of watch 24 is received between, so when the deciphering of actual heartbeat message carrying out user, must deduct or compensate the impact that pressure that watch 24 produces causes.That is in the present invention, when portable apparatus body wears the wrist in user, have a pressure between portable apparatus body and user's wrist to exist, and the action of user, such as walk, run or climb the mountain, the change of this pressure can be caused, therefore in order to avoid the measurement of heartbeat message is subject to the impact of above-mentioned action, the pressure change caused because of action need be detected via piezoelectric patches element 32, and produce piezoelectric signal photosignal is compensated, to obtain photosignal after a correction, this revises rear photosignal after suitable computing conversion, instant and the heartbeat message that accuracy is high of user can be obtained.
Continue above-mentioned explanation, the quantity of above-mentioned piezoelectric patches element 32 is not defined as two, also can be single piezoelectric patches element 32 and be arranged at optical devices 18 side, or three piezoelectric patches elements 32 are arranged at optical devices 18 periphery, piezoelectric patches element 32 also can be ringwise again, as shown in Figure 3, the piezoelectric patches element 32 of annular is surrounded on optical devices 18.On the other hand, also can be the relation stacked up and down between the piezoelectric patches element 32 of annular and optical devices 18 to configure, as shown in fig. 4 a, optical devices 18 are configured at above the piezoelectric patches element 32 of annular, or as shown in Figure 4 b, the piezoelectric patches element 32 of annular is arranged at above optical devices 18, and the design stacked up and down between this kind of annular piezoelectric patches element 32 and optical devices 18 takes into account the demand of waterproof, and has the high advantage of practicality.
Figure 5 shows that one embodiment of the invention can the block schematic diagram of method for measurement of heartbeat message of compensating movement error, this method for measurement is applied on a portable apparatus, and portable apparatus is wear with it the user, method for measurement as shown in the figure, optical devices are utilized to contact the organic organization of a user, to sense the physiological signal of organic organization and to produce should an optical signalling of physiological signal, this be step S40; Then carry out amplifying and filter to optical signalling, then to carry out digital conversion be one first digital signal, this is step S42; Simultaneously or carry out ground after a while, the pressure change because of user's action, organic organization applied with a piezo-electric device detecting portable apparatus and produce the piezoelectric signal that corresponding pressure changes, this is step S44; Carry out amplifying and filter to piezoelectric signal afterwards, then to carry out digital conversion be one second digital signal, this is step S46; Then according to the second digital signal, one compensation operation step is carried out to the first digital signal, to obtain photosignal after a correction, this is step S48, wherein in an embodiment, be the adjustment first can carrying out phase place and amplitude to the second digital signal, then compensate calculation step; Finally carry out computing to photosignal after correction, to obtain a heartbeat message, this is step S50.
Continue above-mentioned explanation, above-mentioned compensation operation step can be additive operation, subtraction, multiplying and division arithmetic one of them or combinatorial operation, or do additive operation, subtraction, multiplying and division arithmetic one of them or combinatorial operation after first doing fast fourier transform (FFT) again.In an embodiment, when piezoelectric signal and optical signalling linear time, can after the second digital signal carries out phase place and amplitude adjusts, directly with subtraction or addition, computing is compensated to the first digital signal according to the second digital signal, and then after obtaining correction, photosignal also obtains heartbeat message at that time.
The present invention can compensating movement error heartbeat message method for measurement in, more comprise and set up an index data base, be preset with corresponding offset according to the second different digital signals in index data base, make the first digital signal compensate calculation step according to offset.In an embodiment, when piezoelectric signal and optical signalling linearly or nonlinear relationship time, can after the second digital signal carries out phase place and amplitude adjusts, the offset of corresponding second digital signal is obtained in index data base, with this offset, the first digital signal is carried out to the compensation operation of subtraction or addition again, and then after obtaining correction, photosignal also obtains heartbeat message at that time.
The present invention can compensating movement error heartbeat message method for measurement in, more comprise the relation precalculating a known heartbeat message and the second digital signal, and obtain an operational formula, wherein known heartbeat message be can by one pulse simulator obtain.In an embodiment, when piezoelectric signal and optical signalling linearly or nonlinear relationship time, be can after the second digital signal carries out phase place and amplitude adjusts, make the first digital signal compensate calculation step according to the second digital signal and operational formula.
Figure 6 shows that one embodiment of the invention can the block schematic diagram of heartbeat message measurement system of compensating movement error, can the heartbeat message measurement system of compensating movement error be applied to a portable apparatus, as shown in the figure, the heartbeat message measurement system 14 of compensating movement error can comprise optical devices 18, in order to contact the organic organization of a user, to sense the physiological signal of organic organization and to produce a photosignal of corresponding physiological signal, in an embodiment, organic organization is skin; One piezo-electric device 20, in order to detect portable apparatus because of user's action to organic organization apply one pressure change, and produce to should pressure change a piezoelectric signal; And a CPU (central processing unit) 22, be electrically connected optical devices 18 and piezo-electric device 20, with according to piezoelectric signal, computing compensated to photosignal, to obtain photosignal after a correction, and by corrections afterwards photoelectric signal transformation be a heartbeat message.
Continue above-mentioned explanation, the heartbeat message measurement system 14 of compensating movement error can more comprise a storage element 34, be electrically connected CPU (central processing unit) 22, in an embodiment, the built-in index data base of storage element 34, be preset with corresponding offset according to different piezoelectric signals in index data base, make CPU (central processing unit) 22 compensate computing according to offset to photosignal, to obtain revising rear photosignal.In another embodiment, an operational formula is preset with in storage element 34, it is the relational expression between a predefined known heartbeat message and this piezoelectric signal, make CPU (central processing unit) 22 can compensate computing according to operational formula to photosignal, and then obtain the rear photosignal of correction, so that according to photosignal after revising after suitable computing conversion, obtain the instant and heartbeat message that accuracy is high of user.
In the present invention, change via the pressure between piezo-electric device detecting portable apparatus body and organic organization, using the compensating signal as a kind of photosignal, user can be improved (walk in action, run or climb the mountain ... Deng) between change the inaccurate puzzlement of heartbeat message measurement caused because of pressure, and then there is the advantage that heartbeat message measures the high and good stability of accuracy.
Above-described embodiment is only and technological thought of the present invention and feature is described, its object understands content of the present invention implementing according to this enabling the personage haveing the knack of this skill, when can not with restriction the scope of the claims of the present invention, namely the equalization generally done according to disclosed spirit changes or modifies, and must be encompassed in the scope of the claims of the present invention.
Claims (13)
1. can compensating movement error to measure a portable apparatus for heartbeat message, it is characterized in that, comprise:
One portable apparatus body; And
One heartbeat message measurement system, comprises:
One optical devices, be arranged on this portable apparatus body, when this portable apparatus body is worn by a user, these optical devices contact the organic organization of this user, to sense the physiological signal of this organic organization and to produce should a photosignal of physiological signal;
One piezo-electric device, be arranged on this portable apparatus body, when this portable apparatus body is worn by this user, this piezo-electric device detect this portable apparatus body because of this user's action to this organic organization apply one pressure change, and produce to should pressure change a piezoelectric signal; And
One CPU (central processing unit), is electrically connected these optical devices and this piezo-electric device, to compensate computing according to this piezoelectric signal to this photosignal, to obtain photosignal after a correction, and is a heartbeat message by photoelectric signal transformation after this correction.
2. as claimed in claim 1 can compensating movement error to measure the portable apparatus of heartbeat message, it is characterized in that, this portable apparatus body is a watch, there is this organic organization that a basal surface contacts the wrist of this user, and these optical devices and this piezo-electric device are arranged at this basal surface.
3. as claimed in claim 1 can compensating movement error to measure the portable apparatus of heartbeat message, it is characterized in that, these optical devices comprise at least one light source component, and this piezo-electric device comprises at least side that at least one piezoelectric patches element is positioned at this light source component.
4. as claimed in claim 1 can compensating movement error to measure the portable apparatus of heartbeat message, it is characterized in that, these optical devices comprise at least one light source component, and this piezo-electric device comprises a ring piezoelectric piece element around this light source component.
5. can the method for measurement of heartbeat message of compensating movement error, it is characterized in that, it is applied to a portable apparatus, and this can the method for measurement of heartbeat message of compensating movement error comprise:
Contact the organic organization of a user with optical devices, to sense the physiological signal of this organic organization and to produce should an optical signalling of physiological signal, and this optical signalling be converted to one first digital signal;
Detect with a piezo-electric device pressure change that this portable apparatus applies this organic organization because of this user's action and produce should a piezoelectric signal of pressure change, and this piezoelectric signal being converted to one second digital signal;
According to this second digital signal, a compensation operation step is carried out to this first digital signal, to obtain photosignal after a correction; And
Computing is carried out to photosignal after this correction, to obtain a heartbeat message.
6. as claimed in claim 5 can the method for measurement of heartbeat message of compensating movement error, it is characterized in that, before carrying out this compensation operation step, first this second digital signal is carried out to the adjustment of phase place and amplitude.
7. as claimed in claim 6 can the method for measurement of heartbeat message of compensating movement error, it is characterized in that, this compensation operation step is a subtraction, an additive operation, a multiplying and a division arithmetic one of them or its combinatorial operation.
8. as claimed in claim 6 can the method for measurement of heartbeat message of compensating movement error, it is characterized in that, more comprise and set up an index data base, be preset with corresponding offset according to this different second digital signals in this index data base, make this first digital signal carry out this compensation operation step according to this offset.
9. as claimed in claim 6 can the method for measurement of heartbeat message of compensating movement error, it is characterized in that, more comprise precalculate a known heartbeat message with to should the relation of this second digital signal of piezoelectric signal, and obtain an operational formula, make this first digital signal carry out this compensation operation step according to this operational formula.
10. as claimed in claim 9 can the method for measurement of heartbeat message of compensating movement error, it is characterized in that, this known heartbeat message is obtained by a pulse simulator.
11. 1 kinds can the heartbeat message measurement system of compensating movement error, and it is characterized in that, it is applied to a portable apparatus, and this can the heartbeat message measurement system of compensating movement error comprise:
One optical devices, in order to contact the organic organization of a user, to sense the physiological signal of this organic organization and to produce should a photosignal of physiological signal;
One piezo-electric device, in order to detect this portable apparatus because of this user's action to this organic organization apply one pressure change, and produce to should pressure change a piezoelectric signal; And
One CPU (central processing unit), is electrically connected these optical devices and this piezo-electric device, with according to this piezoelectric signal, compensates computing to this photosignal, to obtain photosignal after a correction, and is a heartbeat message by photoelectric signal transformation after this correction.
12. as claimed in claim 11 can the heartbeat message measurement system of compensating movement error, it is characterized in that, more comprise a storage element, be electrically connected this CPU (central processing unit), the built-in index data base of this storage element, be preset with corresponding offset according to this different piezoelectric signals in this index data base, make this CPU (central processing unit) compensate computing according to this offset to this photosignal, to obtain photosignal after this correction.
13. as claimed in claim 11 can the heartbeat message measurement system of compensating movement error, it is characterized in that, this CPU (central processing unit) compensates computing with an operational formula to this photosignal, and wherein this operational formula is the relational expression between a known heartbeat message and this piezoelectric signal.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW103116904A TWI568411B (en) | 2014-05-13 | 2014-05-13 | Portable apparatus capable of compensating action error and measuring heartbeat information, method for measuring heartbeat information and measuring system thereof |
| TW103116904 | 2014-05-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105095635A true CN105095635A (en) | 2015-11-25 |
Family
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410406147.0A Pending CN105095635A (en) | 2014-05-13 | 2014-08-18 | Portable device capable of compensating motion error to measure heartbeat information, heartbeat information measuring method and heartbeat information measuring system |
Country Status (2)
| Country | Link |
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| CN (1) | CN105095635A (en) |
| TW (1) | TWI568411B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109195515A (en) * | 2016-02-18 | 2019-01-11 | 莱曼微设备有限公司 | Personal hand-held detector |
| CN110151130A (en) * | 2018-02-12 | 2019-08-23 | 财团法人工业技术研究院 | Physiological signal means for correcting, bearing calibration and the wearable device for having calibration function |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110151150B (en) | 2018-02-12 | 2022-03-29 | 财团法人工业技术研究院 | Physiological sensor device and system, correction method and wearable device |
| TWI744666B (en) | 2019-07-16 | 2021-11-01 | 國立陽明交通大學 | Physiological information detection device and physiological information detection method |
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| TWI228408B (en) * | 2001-05-04 | 2005-03-01 | Healthstats Int Pte Ltd | Method and device for monitoring blood pressure |
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| KR20140099539A (en) * | 2011-12-07 | 2014-08-12 | 액세스 비지니스 그룹 인터내셔날 엘엘씨 | Behavior tracking and modification system |
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- 2014-05-13 TW TW103116904A patent/TWI568411B/en not_active IP Right Cessation
- 2014-08-18 CN CN201410406147.0A patent/CN105095635A/en active Pending
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| CN1083340A (en) * | 1992-08-31 | 1994-03-09 | 林秀列 | The electronic diagnosis of pulsation device and method |
| US5807267A (en) * | 1994-06-01 | 1998-09-15 | Advanced Body Metrics Corporation | Heart pulse monitor |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109195515A (en) * | 2016-02-18 | 2019-01-11 | 莱曼微设备有限公司 | Personal hand-held detector |
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| CN110151130A (en) * | 2018-02-12 | 2019-08-23 | 财团法人工业技术研究院 | Physiological signal means for correcting, bearing calibration and the wearable device for having calibration function |
| CN110151130B (en) * | 2018-02-12 | 2022-02-18 | 财团法人工业技术研究院 | Physiological signal correction device, correction method and wearable device with correction function |
Also Published As
| Publication number | Publication date |
|---|---|
| TWI568411B (en) | 2017-02-01 |
| TW201542166A (en) | 2015-11-16 |
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