CN108514407A - A kind of contactless pulse measurement device - Google Patents
A kind of contactless pulse measurement device Download PDFInfo
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- CN108514407A CN108514407A CN201810455355.8A CN201810455355A CN108514407A CN 108514407 A CN108514407 A CN 108514407A CN 201810455355 A CN201810455355 A CN 201810455355A CN 108514407 A CN108514407 A CN 108514407A
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/02—Detecting, measuring or recording pulse, heart rate, blood pressure or blood flow; Combined pulse/heart-rate/blood pressure determination; Evaluating a cardiovascular condition not otherwise provided for, e.g. using combinations of techniques provided for in this group with electrocardiography or electroauscultation; Heart catheters for measuring blood pressure
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/0059—Measuring for diagnostic purposes; Identification of persons using light, e.g. diagnosis by transillumination, diascopy, fluorescence
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
- A61B5/00—Measuring for diagnostic purposes; Identification of persons
- A61B5/72—Signal processing specially adapted for physiological signals or for diagnostic purposes
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- Measuring Pulse, Heart Rate, Blood Pressure Or Blood Flow (AREA)
Abstract
This application discloses a kind of contactless pulse measurement device, processing module and the infrared detector being connected with the processing module, light source module, signal acquisition module, display module and power supply module；The processing module controls the light source module emission detection infrared ray first, and the first reflected ray of the detection infrared ray is received by infrared detector, and when recognizing measuring apparatus according to first reflected ray and being in use state, it is infrared that processing module controls the light source module transmitting pulse, the second reflected ray of the pulse infrared ray is received by signal acquisition module, second reflected ray is converted to electric signal and is transmitted to processing module by described information acquisition module, processing module is according to the electrical signal collection pulse data, and the pulse data of acquisition is shown in display module, pulse data is acquired using non-contact form to realize, improve the use scope of pulse measurement device.
Description
Technical field
This application involves medical electronics field of measuring technique, more particularly to a kind of contactless pulse measurement device.
Background technology
As social pressures increase, people increasingly pay attention to cardiovascular health, therefore the demand of pulse instrument is increasing,
People are higher and higher to the standard of pulse instrument.However, existing pulse meter generally uses contact type measurement, connect by sensor
Life entity skin surface is touched to perceive life entity blood engorgement situation, reconvert is at corresponding pulse wave.Such measurement is set
Standby measuring point is generally limited to human body wrist or finger, and requires to wear related sensor, limits measuring apparatus
Target user and occasion.In addition, wearing the action that measuring apparatus limits measurand, wearing for a long time even can be to its body
Body brings a degree of loss.
Invention content
In view of the deficiencies in the prior art, the application is intended to provide a kind of contactless pulse measurement device, to realize use
Non-contacting mode measures pulse data.
In order to solve the above-mentioned technical problem, technical solution used by the application is as follows：
A kind of contactless pulse measurement device comprising：Processing module, infrared detector, light source module, signal acquisition mould
Block, display module and power supply module；The infrared detector is joined to form signal detection branch with the processing module；
The signal acquisition module is joined to form pulse collection branch with the processing module；The display module and the processing
Module is joined to form display branch；The power supply module is connected with the processing module, to be supplied for the processing module
Electricity；The light source module is connected with the processing module, and the light source module emission detection is controlled by the processing module
Infrared light or pulse infrared light.
The contactless pulse measurement device, wherein the signal detection branch identifies light source by infrared detector
First reflection light of the detection infrared ray that module is sent, and identified residing for the measuring apparatus according to first reflection light
Working condition.
The contactless pulse measurement device, wherein the pulse collection branch receives light by signal acquisition module
Second reflection light is converted to electric signal and by the electricity by the second reflection light of the pulse infrared ray that source module is sent
For signal transmission to processing module, processing module calculates pulse information according to the electric signal, and will control the display module and show
Show the pulse information.
The contactless pulse measurement device, wherein the signal acquisition module includes light path system, photoelectric converter
And shaping amplification circuit；Described in second reflection light of the pulse infrared ray that the light source module of light path system acquisition is sent enters
Photoelectric converter is converted to electric signal by the photoelectric converter, and the electric signal is transmitted to after shaping amplification circuit
Processing module.
The contactless pulse measurement device, wherein the light path system includes Fresnel Lenses system and optical filter；
The Fresnel Lenses system and the optical filter are coaxially arranged, and second reflection light enters phenanthrene after the optical filter
Nie Er lens systems, and enter photoelectric converter after the Fresnel Lenses system.
The contactless pulse measurement device, wherein the Fresnel Lenses system is that face formation Fresnel Lenses is saturating
The focus of system, all Fresnel Lenses that the face formation Fresnel Lenses system includes overlaps, wherein each Fresnel
The saturating focal point of lens is in the saturating focal point of the Fresnel Lenses positioned at face battle array center.
The contactless pulse measurement device further includes memory module and interface module, the memory module point
The not described processing module and interface module are connected, and the memory module receives and stores the pulse of the processing module acquisition
Data, and the pulse data is transmitted to external equipment by interface module.
The contactless pulse measurement device, further includes wireless module, the wireless module and the processing module,
To be communicated wirelessly with external equipment by the wireless module, and the pulse data that the processing module acquires is sent to
External equipment.
The contactless pulse measurement device further includes：Key-press module, clock module, lighting module and voice
Mould is in the block one or more, one or more equal in the key-press module, clock module, lighting module and voice module
It is connected with the processing module.
A kind of contactless pulses measure method, using any contactless pulses measures of claim 1-9
Equipment, the method specifically include：
When measuring apparatus is in starting state, light source module emission detection infrared ray；
Infrared detector receives the first reflection light of the detection infrared ray, and according to described in first reflection light identification
Working condition residing for measuring apparatus；
When test equipment handles use state, processing module controls light source module and emits pulse infrared ray；
Signal acquisition module receives the second reflection light of the pulse infrared ray, and the reflection light is converted to digital letter
Processing module is transmitted to after number；
Processing module carries out counting and waveform processing to the digital signal, to obtain pulse data and pulse wave；
Display module shows the pulse data and pulse wave.
Advantageous effect：Compared with prior art, this application provides a kind of contactless pulse measurement devices, handle mould
Block and the infrared detector being connected with the processing module, light source module, signal acquisition module, display module and confession
Electric module；The processing module controls the light source module emission detection infrared ray first, and receives institute by infrared detector
The first reflected ray of detection infrared ray is stated, and when recognizing measuring apparatus according to first reflected ray and being in use state,
The processing module control light source module transmitting pulse is infrared, and the second of the pulse infrared ray is received by signal acquisition module
Second reflected ray is converted to electric signal and is transmitted to processing module by reflected ray, described information acquisition module, processing module
It is shown in display module according to the electrical signal collection pulse data, and by the pulse data of acquisition, to realize using non-
Contact form acquires pulse data, improves the use scope of pulse measurement device.
Description of the drawings
Fig. 1 is the structure principle chart of the embodiment of contactless pulse measurement device provided by the present application.
Fig. 2 is the structural schematic diagram of the embodiment of contactless pulse measurement device provided by the present application.
Fig. 3 be contactless pulse measurement device provided by the present application embodiment in light path system schematic diagram.
Fig. 4 is face formation Fresnel Lenses system in the embodiment of contactless pulse measurement device provided by the present application
Schematic diagram.
Fig. 5 is the flow chart of the embodiment of contactless pulses measure method provided by the present application.
Specific implementation mode
The application provides a kind of contactless pulse measurement device, to make the purpose, technical solution and effect of the application more
Add clear, clear, the application is further described in the embodiment that develops simultaneously referring to the drawings.It should be appreciated that described herein
Specific embodiment only explaining the application, be not used to limit the application.
Below in conjunction with the accompanying drawings, by the description of the embodiment, being described further to application content.
Embodiment one
A kind of contactless pulse measurement device is present embodiments provided, as shown in Figure 1 comprising：Processing module 1, infrared spy
Survey device 3, light source module 4, signal acquisition module 2, display module 5 and power supply module 6；The infrared detector 3, light source module
4, signal acquisition module 2, display module 5 and power supply module 6 are connected with the processing module 1.Wherein, the infrared spy
It surveys device 3 and forms signal detection branch with the processing module 1, detected residing for the measuring apparatus by the signal detection branch
Working condition, the working condition include booting use state and booting unused state.The signal acquisition module 2 with
Processing module 1 forms pulse collection branch, and the pulse data of testee is used by the pulse collection branch；The display mould
Block 5 forms with processing module 1 and shows branch, passes through the pulse data of the display branch display acquisition；The power supply module 6 is
The processing module 1 is powered, and is the infrared detector 3, light source module 4, signal acquisition module by the processing module 1
2 and display module 5 power.The reflected ray that light source module sends light is received by information acquisition module in this way, and according to institute
It states reflected ray and obtains pulse data, realize and pulse data is acquired using non-contact form, improve making for pulse measurement device
Use range.In practical applications, as shown in Fig. 2, the measuring apparatus may include a shell, the processing module, infrared spy
Surveying device, signal acquisition module and power supply module can be set in the shell, and infrared spy is provided on the shell
Survey mouth and signal acquisition mouth, the infrared acquisition mouth and infrared detector relative device, the signal acquisition mouth and signal acquisition
Module is oppositely arranged.The light source module and display module are set on the shell.
The light source module 4 is used to be generated and transmitted by light according to the control instruction of processing module 1.The light source module 4
For infrared ray source module, infrared ray can be emitted, in order to which the infrared detector 3 and signal acquisition module 2 receive
The reflection light of the light of light source module transmitting.In the present embodiment, the infrared detector 3 is used to receive detection infrared ray
First reflection light, and identify the working condition residing for the measuring apparatus, the letter according to the first reflection light is received
Number acquisition module 2 is used to receive the second reflection light of pulse infrared ray, and obtains arteries and veins according to the second reflection light received
It fights data.Correspondingly, the light source module 4 can emit two kinds of infrared lights, infrared ray and pulse infrared ray are respectively detected.
The detection infrared ray and the pulse infrared ray emit in different situations, and when measuring apparatus starts, the transmitting of light source module 4 is visited
Infrared ray is surveyed, the working condition residing for measuring apparatus is identified by the detection infrared ray and infrared detector 3.Work as test
Equipment is in by use state（I.e. testee is in front of measuring apparatus）When, light source module 4 emits pulse infrared ray, passes through arteries and veins
Infrared ray and the signal acquisition module 2 of fighting obtain the pulse signal of testee, in order to which processing module 1 is according to the pulse signal
Extract the pulse data of testee.Wherein, the pulse infrared ray is preferably the infrared ray of 805nm.
In addition, the light source module 4 can be connected by I/O interfaces with the processing module 1, and the light source die
Block 4 is connected with two I/O interfaces of processing module 1, is exported and is emitted to the light source module 4 by described two I/O interfaces
The control signal of infrared ray.An interface in described two I/O interfaces is used to export emission detection infrared ray to light source module
First control signal, another interface be used for light source module export transmitting pulse infrared ray control signal so that light source
The control signal that module is arrived according to I/O interfaces generates corresponding infrared ray, and by the infrared radiation of the generation in by
Examination person, in the present embodiment, the infrared ray that the light source module 4 generates are preferable over the forehead for being irradiated in user, and by infrared
Detector 3 and signal acquisition module 2 receive the reflection light that forehead reflects the infrared ray irradiated thereon.
The infrared detector 3 is used to detect the working condition residing for measuring apparatus, wherein the working condition includes not
In use state and it is in use state.It is described to refer to that testee is in the front of measuring apparatus in use state,
The untreated use state refers to that testee is not in the front of measuring apparatus.That is, the infrared detector 3 with
The signal detection branch that the processing module 1 is formed is used to identify that the detection that light source module 4 is sent is infrared by infrared detector 3
First reflection light of line, and working condition residing for the measuring apparatus is identified according to first reflection light.In this implementation
In example, the infrared detector 3 identifies test by receiving the first reflection light of the detection infrared ray that light source module is sent
It whether there is testee in front of equipment, when recognizing testee, judge that the measuring apparatus is in use state, and will place
It is sent to processing module 1 in the information of use state, the processing module 1 exports transmitting arteries and veins by the ports I/O to light source module
It fights the first control signal of infrared ray, so that light source module 4 generates according to the control signal and sends pulse infrared ray.This
Outside, when measuring apparatus starts, real-time reception detects the first reflection light of infrared ray and is measured with determining the infrared detector 3
Working condition residing for equipment.The detection infrared ray is when measuring apparatus starts, and processing module 1 is by the ports I/O to light
The output of source module 4 sends the first control signal of detection infrared ray, and light source module 4 generates concurrent according to the first control signal
The detection infrared ray penetrated.
The pulse collection branch is based on combining Lambert-Beer's law, when infrared illumination is incident upon human body head surface, part
Light can reflex to light path system, and progress opto-electronic conversion can obtain the electric signal that reflection light is formed after assembling light, and
And when then peripheral blood volume is big for heart contraction, light absorption amount is big, and the light intensity of reflection is small；Conversely, when diastole, instead
Penetrate that light intensity is big, to make the light intensity that photoelectric signal collection device receives change with heart retractor Zhang Bianhua.It thus can
With according to the extraction pulse information of reflection light.Correspondingly, the pulse collection branch by signal acquisition module 2 for being received
Second reflection light is converted to electric signal and by institute by the second reflection light of the pulse infrared ray that light source module 4 is sent
Electric signal transmission is stated to processing module 1, processing module 1 calculates pulse information according to the electric signal.Wherein, signal acquisition module
2 include light path system 21, photoelectric converter 22 and shaping amplification circuit 23；The light path system 21 and the photoelectric converter
22 are connected, and the photoelectric converter 22 is connected with the shaping amplification circuit 23, the shaping amplification circuit 23 with it is described
Processing module 1 is connected.The light path system 21 is used to receive the second reflected light of the pulse infrared ray of the generation of light source module 4
Line, and will receive the second reflection light and export to photoelectric converter 22, the photoelectric converter 22 is by second reflected light
Line is converted to electric signal, and by the electric signal output to shaping amplification circuit 23, and the shaping amplification circuit 23 is by the electricity
Signal is amplified and digital-to-analogue conversion, the electric signal is converted to square-wave signal, and the square-wave signal is defeated
Go out to processing module 1, the pulse data of testee is acquired by the processing module 1.
Further, as shown in figure 3, the light path system 21 may include Fresnel Lenses system 212 and optical filter 211；
The Fresnel Lenses system 212 is coaxially arranged with the optical filter 212, and the optical filter 211 is located at the Fresnel
The front of lens system 212.Second reflection light first passes through optical filter 211 and is filtered, filtered second reflected light
Line enters Fresnel Lenses system 212, is focused by the Fresnel Lenses system 212, the second reflected light after focusing
Line enters photoelectric converter 22, and opto-electronic conversion is carried out by the photoelectric converter 22.Here it is filtered out first by optical filter outer
The light of boundary's interference, reduces the error of pulse data.At the same time it can also by the second reflection light of Fresnel Lenses system pair into
Line focusing can enhance the light intensity of the second reflection light, the ability that light path system acquires faint light be improved, to improve
The measurement capability and accuracy of measuring apparatus.
In the present embodiment simultaneously, the Fresnel Lenses system 212 is the compound phenanthrene designed using theory of mechanics
Nie Er lens systems.The compound Fresnel Lenses system is face formation Nie Er lens systems, and constitutes the face formation
The focus of each Nie Er lens of Nie Er lens systems is at same point.Focus synergistic effect, multiple lens can be formed in this way
Focus overlap so that Fresnel Lenses system have superelevation aggregation light ability, greatly improve light intensity, so as to so that
The measuring apparatus for obtaining the application can be carried by the second reflection light of the pulse infrared ray of non-contacting form reception long range
The high measurement distance of measuring apparatus.In the present embodiment, the measuring distance range of the measuring apparatus is preferably that 10cm is arrived
45cm.In addition, as shown in figure 4, the compound Fresnel Lenses system is preferably the faces 3*3 formation Fresnel Lenses, 9 luxuriant and rich with fragrance Buddhist nuns
For that lens after focus angle correct, the second reflection light of each lens focuses on aggregation main path along all angles,
And the saturating focal point of each Fresnel Lenses is in the saturating focus of the Fresnel Lenses positioned at face battle array center.
Further, the shaping amplification circuit 23 may include filter, amplification system and comparator, the filter,
Amplification system and comparator are sequentially connected to form the shaping amplification circuit.The filter uses band logical active power filtering
Device, to be filtered to the electric signal that photoelectric converter is converted to；The amplification system is to be built using LM324 chips
Two level amplification system carries out Linear Amplifer in the same direction by the amplification system；The comparator carries out amplified electric signal
Waveform shaping, so that electric signal becomes digital signal.
In the present embodiment simultaneously, MA805-32AD44 chips may be used in the processing module 1, pass through signal acquisition mould
The digital data transmission for the pulse signal that block 2 collects to processing module 1, the processing module 1 can be obtained through counting processing
Pulse data generates pulse wave according to pulse data, and is exported pulse wave to display module by the ports ADC, so that
Obtain the display module display pulse waveform and pulse data etc..In the present embodiment, the processing module 1 calculates Pulse Rate
It can be with processing module 1 is timed the digital signal for receiving pulse signal according to process（For example, every 10ms etc.）Sampling is simultaneously
Numerical value is assigned into array, processing module 1 demarcates the maximin of pulse data, in the Pulse Rate for calculating current period
According to rear, the differential time in each period is calculated, the average average heart rate that can obtain testee is taken according to differential time, then to arteries and veins
Waveform of fighting carries out integral operation and simultaneously obtains a series of pulse datas in conjunction with pulse Coefficient Algorithm, wherein the pulse data can be with
Including heart rate, cardiac output, cardiac output, whole blood viscosity, peripheral resistance and arterial compliance etc..
Further, the contactless pulse measurement device can also include memory module 7, interface module 8, wireless mould
In block, key-press module 9, clock module 10, lighting module 12 and voice module 11 it is one or more, the memory module 7,
In wireless module, key-press module 9, clock module 10, lighting module 12 and voice module 11 it is one or more with processing
Module 1 is connected, and is powered by the power supply module 6.The power supply module 6 can be battery module, can also
It is power supply adaptor.That is, the contactless pulse measurement device can be self-powered, external power supply can also be passed through
Power supply.In the present embodiment, the power supply system is preferably battery module, and the battery module can be lithium battery etc..In addition,
The memory module 7 and interface module 8, the memory module 7 receive and store the pulse data of the acquisition of the processing module 1,
And the pulse data is transmitted to external equipment by interface module 8.The wireless module is used to carry out nothing with external equipment
Line communicates, and the pulse data that the processing module 1 acquires is sent to external equipment.The clock module 10 can be shown specifically
Date-time, and there is alarm clock function.The key-press module 9 can generate control instruction to contactless pulses measure, for example,
By key-press module, the daily measurement pulse of alarm clock calling user, switch measuring apparatus etc. are set.The voice module can pass through
The pulse data that voice broadcast collects.In addition, the display module use OLED display screen, and it include upper screen and under
Screen.The upper screen is used to show date and the time, and the lower screen is used for display pulse data and pulse wave.
Embodiment two
A kind of contactless pulses measure method is present embodiments provided, using the contactless pulse described in above-described embodiment
Measuring apparatus, as shown in figure 5, the method specifically includes：
S10, when measuring apparatus is in starting state, light source module emission detection infrared ray；
S20, infrared detector receive the first reflection light of the detection infrared ray, and are identified according to first reflection light
Working condition residing for the measuring apparatus；
S30, when test equipment handle use state when, processing module control light source module emit pulse infrared ray；
S40, signal acquisition module receive the second reflection light of the pulse infrared ray, and the reflection light is converted to number
It is transmitted to processing module after word signal；
S50, processing module carry out counting and waveform processing to the digital signal, to obtain pulse data and pulse wave
Shape；
S60, display module show the pulse data and pulse wave.
Finally it should be noted that：Above example is only to illustrate the technical solution of the application, rather than its limitations；Although
The application is described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that：It still may be used
With technical scheme described in the above embodiments is modified or equivalent replacement of some of the technical features；
And these modifications or replacements, each embodiment technical solution of the application that it does not separate the essence of the corresponding technical solution spirit and
Range.
Claims (10)
1. a kind of contactless pulse measurement device, which is characterized in that it includes：Processing module, infrared detector, light source die
Block, signal acquisition module, display module and power supply module；The infrared detector is joined to form with the processing module
Signal detection branch；The signal acquisition module is joined to form pulse collection branch with the processing module；The display
Module is joined to form display branch with the processing module；The power supply module is connected with the processing module, with for
The processing module power supply；The light source module is connected with the processing module, and the light is controlled by the processing module
Source module emission detection infrared light or pulse infrared light.
2. contactless pulse measurement device according to claim 1, which is characterized in that the signal detection branch passes through red
External detector identifies the first reflection light of the detection infrared ray that light source module is sent, and is identified according to first reflection light
Working condition residing for the measuring apparatus.
3. contactless pulse measurement device according to claim 1, which is characterized in that the pulse collection branch passes through letter
Number acquisition module receives the second reflection light of the pulse infrared ray that light source module is sent, and second reflection light is converted to
Electric signal and by the electric signal transmission to processing module, processing module calculates pulse information according to the electric signal, and will control
It makes the display module and shows the pulse information.
4. according to the contactless pulse measurement device of claim 1 or 3, which is characterized in that the signal acquisition module packet
Include light path system, photoelectric converter and shaping amplification circuit；The pulse infrared ray that the light source module of light path system acquisition is sent
The second reflection light enter the photoelectric converter, electric signal is converted to by the photoelectric converter, the electric signal warp
It is transmitted to processing module after crossing shaping amplification circuit.
5. contactless pulse measurement device according to claim 4, which is characterized in that the light path system includes Fresnel
Lens system and optical filter；The Fresnel Lenses system and the optical filter are coaxially arranged, and second reflection light is passed through
Enter Fresnel Lenses system after the optical filter, and enters photoelectric converter after the Fresnel Lenses system.
6. contactless pulse measurement device according to claim 5, which is characterized in that the Fresnel Lenses system is face
The focus of formation Fresnel Lenses permeable system, all Fresnel Lenses that the face formation Fresnel Lenses system includes overlaps,
Wherein, the saturating focal point of each Fresnel Lenses is in the saturating focal point of the Fresnel Lenses positioned at face battle array center.
7. contactless pulse measurement device according to claim 1, which is characterized in that it further includes memory module and connects
Mouth mold block, the processing module and interface module are connected the memory module respectively, and the memory module receives and stores
The pulse data of the processing module acquisition, and the pulse data is transmitted to external equipment by interface module.
8. according to the contactless pulse measurement device of claim 1, which is characterized in that it further includes wireless module, described wireless
Module and the processing module, to be communicated wirelessly with external equipment by the wireless module, and by the processing module
The pulse data of acquisition is sent to external equipment.
9. according to the contactless pulse measurement device of claim 1, which is characterized in that it further includes：Key-press module, clock mould
It is one or more in block, lighting module and voice module, the key-press module, clock module, lighting module and voice
Mould is in the block one or more to be connected with the processing module.
10. a kind of contactless pulses measure method is set using any contactless pulses measures of claim 1-9
Standby, the method specifically includes：
When measuring apparatus is in starting state, light source module emission detection infrared ray；
Infrared detector receives the first reflection light of the detection infrared ray, and according to described in first reflection light identification
Working condition residing for measuring apparatus；
When test equipment handles use state, processing module controls light source module and emits pulse infrared ray；
Signal acquisition module receives the second reflection light of the pulse infrared ray, and the reflection light is converted to digital letter
Processing module is transmitted to after number；
Processing module carries out counting and waveform processing to the digital signal, to obtain pulse data and pulse wave；
Display module shows the pulse data and pulse wave.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810455355.8A CN108514407A (en) | 2018-05-14 | 2018-05-14 | A kind of contactless pulse measurement device |
| CN201811060671.1A CN109009011B (en) | 2018-05-14 | 2018-09-12 | Non-contact pulse measuring equipment |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810455355.8A CN108514407A (en) | 2018-05-14 | 2018-05-14 | A kind of contactless pulse measurement device |
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| CN108514407A true CN108514407A (en) | 2018-09-11 |
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| CN201810455355.8A Pending CN108514407A (en) | 2018-05-14 | 2018-05-14 | A kind of contactless pulse measurement device |
| CN201811060671.1A Active CN109009011B (en) | 2018-05-14 | 2018-09-12 | Non-contact pulse measuring equipment |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110174200A (en) * | 2019-06-14 | 2019-08-27 | 安徽华米信息科技有限公司 | Pressure-detecting device, terminal |
| CN112869726A (en) * | 2021-01-08 | 2021-06-01 | 苏州亮芯光电科技有限公司 | Health detection device based on reverse optical communication |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112137607B (en) * | 2019-06-26 | 2024-07-02 | 深圳市冠旭电子股份有限公司 | Heart rate detection device and heart rate detection earphone |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2805224Y (en) * | 2005-07-07 | 2006-08-09 | 钟敏 | Full automatic switch used for toilet |
| CN102309315A (en) * | 2011-09-07 | 2012-01-11 | 周翊民 | Non-contact type optics physiological detection appearance |
-
2018
- 2018-05-14 CN CN201810455355.8A patent/CN108514407A/en active Pending
- 2018-09-12 CN CN201811060671.1A patent/CN109009011B/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110174200A (en) * | 2019-06-14 | 2019-08-27 | 安徽华米信息科技有限公司 | Pressure-detecting device, terminal |
| CN112869726A (en) * | 2021-01-08 | 2021-06-01 | 苏州亮芯光电科技有限公司 | Health detection device based on reverse optical communication |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109009011B (en) | 2021-12-21 |
| CN109009011A (en) | 2018-12-18 |
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