CN109758109A - Human-computer interaction myopia prevention and control vision testing method - Google Patents
Human-computer interaction myopia prevention and control vision testing method Download PDFInfo
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- CN109758109A CN109758109A CN201910101691.7A CN201910101691A CN109758109A CN 109758109 A CN109758109 A CN 109758109A CN 201910101691 A CN201910101691 A CN 201910101691A CN 109758109 A CN109758109 A CN 109758109A
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Abstract
The invention discloses human-computer interaction myopia prevention and control vision testing methods, include the following steps: S1, connection barcode scanning terminal and display control terminal；S2, hand-held interactive terminal and display control terminal are connected；S3, selection detection pattern；S4, barcode scanning terminal scan identity two dimensional code；S5, barcode scanning terminal recognition identity two dimensional code；S6, display control terminal record identity；S7, display control terminal random display identification marking；S8, output identification instruction is interacted with hand-held interactive terminal；S9, display control terminal receive identification instruction；Match after S10, identification, then records the corresponding eyesight degree of the identification marking, the identification marking of the small level-one of random display；It mismatches, then other distinguishing marks of random display same size；After S11, multiple continuous identification match, and stablize after the same eyesight degree, then records the secondary eyesight degree；S12, display control terminal integrate identity and eyesight degree, and are sent to Cloud Server storage.
Description
Technical field
The present invention relates to eyesight detection technique field, specially a kind of human-computer interaction myopia prevention and control vision testing method.
Background technique
The appearance of energy-saving lamp brings huge contribution to the control of the energy.But popularizing with energy-saving lamp, in market
Uncontrollable defective products occur, the blue content of these defective products is very more, under prolonged use, just be very easy to
The eyes at family cause to damage, and lead to visual impairment.
The more serious crowd of visual impairment is the office worker that student and office face computer for a long time at present；Generally
For, school can organize collective medical, just may require that carry out eyesight detection to each personnel to be measured at this time, count the batch school
School's eyesight status, and record and fed back；But existing eyesight detection faces school by manually carrying out at this time
The collective medical of tissue will result in personnel's accumulation, delay the progress of Physical Examination, and hospital needs to arrange a large amount of professional peoples
Member carries out standard operation, to hospital and additional personnel cost expense.
Summary of the invention
In view of the deficiencies of the prior art, the present invention intends to provide a kind of human-computer interaction myopia prevention and control eyesight inspection
Survey method can accelerate the progress of eyesight detection work, go forward side by side line number according to statistics, control myopia development.
To achieve the above object, the present invention provides the following technical scheme that human-computer interaction myopia prevention and control vision testing method,
Include the following steps:
S1, barcode scanning terminal and display control terminal are communicated to connect；
S2, hand-held interactive terminal and display control terminal are communicated to connect；
S3, pass through detection pattern needed for display control terminal or the selection of hand-held interactive terminal；
S4, the hand-held identity two dimensional code of personnel to be measured are placed in barcode scanning terminal and are scanned；
S5, barcode scanning terminal recognition the identity two dimensional code, and export identity information；
S6, display control terminal receive identity information and record the identity；
Random display identification marking on S7, display control terminal；
S8, tested personnel pass through hand-held interactive terminal interaction output identification instruction；
S9, display control terminal receive identification instruction and the identification marking for being judged whether and being shown matches；
Match after S10, identification, then records the corresponding eyesight degree of the identification marking, the identification of the small level-one of random display
Mark；It mismatches, then other distinguishing marks of random display same size, and compares again, it is big still to mismatch then random display
The distinguishing mark of level-one；
After S11, multiple continuous identification match, and stablize after the same eyesight degree, then records the secondary eyesight degree；
S12, display control terminal integrate identity and eyesight degree, and are sent to Cloud Server storage.
As a further improvement of the present invention, the interactive mode of the hand-held interactive terminal in S8 include body-sensing gesture interaction,
One of interactive voice, key interaction are a variety of.
As a further improvement of the present invention, the Cloud Server in S12 also with educational system database, medical system data
Library connection, the integrated results after sending integration are to educational system database or medical system database.
As a further improvement of the present invention, pass through infrared communication between the hand-held interactive terminal, display control terminal
Connection, Bluetooth communication connection, WIFI communication connection, GPRS communication connection, NFC communication connection, physical signal lines connection in one
Kind or a variety of be communicatively coupled.
It as a further improvement of the present invention, further include the identity and corresponding view of step S13, the multiple tested personnel of integration
After dynamics number, it is sent to Cloud Server storage；
The detection pattern of display control terminal described in S3 includes single detection pattern, batch detection mode；
Wherein under single detection pattern, after display control terminal obtains the eyesight degree being recorded from S11, sent out by S12
Data are sent to store to Cloud Server；
Under batch detection mode, after display control terminal obtains the eyesight degree being recorded from S11, number is sent by S13
It is stored according to Cloud Server.
As a further improvement of the present invention, the display control terminal has establishment of item module, the establishment of item
Module creation batch detection project；The identity of multiple tested personnel and corresponding eyesight degree are incorporated into batch detection item by S13
In mesh, after batch detection, display control terminal saves the secondary batch detection project, and is sent to Cloud Server.
As a further improvement of the present invention, connected between the barcode scanning terminal, display control terminal by infrared communication,
One of Bluetooth communication connection, WIFI communication connection, GPRS communication connection, NFC communication connection, physical signal lines connection are more
Kind is communicatively coupled.
As a further improvement of the present invention, the Cloud Server is also according to educational system database or medical system data
The history in library sends data and is compared, and the Mean Deviation value for exporting history transmission data and current data gives educational system number
According to library, medical system database, display control terminal.
As a further improvement of the present invention, it is provided with iris recognition module, switch module on the display control terminal,
Fingerprint identification module is additionally provided in the barcode scanning terminal；The iris recognition module is connect with switch module, and the fingerprint is known
Other module and switch module communicate to connect, and the switch module is connect with iris recognition module, the fingerprint identification module identification
Personnel's fingerprint to be measured simultaneously sends identification signal to switch module, and the switch module controls iris recognition module open detection.
As a further improvement of the present invention, it is additionally provided with temperature sense switch circuit in the barcode scanning terminal, the warming is opened
Powered-down road includes that a comparator U and metal-oxide-semiconductor Q, the inverting input terminal of the comparator U are grounded after being connected with resistance R, are also connected with
Resistance R is followed by power supply, and the normal phase input end of the comparator U is grounded after being connected with resistance R, is also connected with NTC resistance and is followed by electricity
Source；The comparator U output end is connected with capacitor C and is followed by power supply, is also connected with the grid that resistance R is followed by metal-oxide-semiconductor Q, the MOS
The source electrode of pipe Q connects power supply, and drain electrode is connected to the power end of fingerprint identification module.
Beneficial effects of the present invention, tested personnel self-service can detect, and not need the detection of optional equipment profession
Personnel, and then reduce the granting of cost of labor；In addition random display identification marking on display controller, can be to avoid some tested
Personnel carry on the back traditional visual chart, cause testing result inaccurate；Everyone identity can be allowed quickly to record by barcode scanning terminal
Enter, do not need voluntarily to input name, lead to time delay, also avoids tested personnel's input error name or other people name
Interfere data statistics；Wherein Cloud Server can facilitate subsequent calls, and be not take up local spatial with store data long term.
Detailed description of the invention
Fig. 1 is flow diagram schematic diagram of the invention；
Fig. 2 is module frame chart schematic diagram of the invention；
Fig. 3 is temperature sense switch electrical block diagram of the invention.
Drawing reference numeral: 1, barcode scanning terminal；2, display control terminal；3, interactive terminal is held；4, Cloud Server；5, medical department
System database；6, educational system database；7, iris recognition module；8, switch module；9, fingerprint identification module；10, warming is opened
Powered-down road.
Specific embodiment
The present invention is described in further detail below in conjunction with embodiment given by attached drawing.
Referring to Fig.1 shown in -3, the human-computer interaction myopia prevention and control vision testing method of the present embodiment includes the following steps:
S1, barcode scanning terminal 1 and display control terminal 2 are communicated to connect；
S2, hand-held interactive terminal 3 and display control terminal 2 are communicated to connect；
S3, required detection pattern is selected by display control terminal 2 or hand-held interactive terminal 3；
S4, the hand-held identity two dimensional code of personnel to be measured are placed in barcode scanning terminal 1 and are scanned；
S5, barcode scanning terminal 1 identify the identity two dimensional code, and export identity information；
S6, display control terminal 2 receive identity information and record the identity；
Random display identification marking on S7, display control terminal 2；
S8, tested personnel pass through the hand-held interaction of interactive terminal 3 output identification instruction；
S9, display control terminal 2 receive identification instruction and the identification marking for being judged whether and being shown matches；
Match after S10, identification, then records the corresponding eyesight degree of the identification marking, the identification of the small level-one of random display
Mark；It mismatches, then other distinguishing marks of random display same size, and compares again, it is big still to mismatch then random display
The distinguishing mark of level-one；
After S11, multiple continuous identification match, and stablize after the same eyesight degree, then records the secondary eyesight degree；
S12, display control terminal 2 integrate identity and eyesight degree, and are sent to the storage of Cloud Server 4.
After S13, the identity of the multiple tested personnel of integration and corresponding eyesight degree, it is sent to the storage of Cloud Server 4.
Display control terminal 2 has establishment of item module, the establishment of item module creation batch detection project；S13 will
The identity of multiple tested personnel and corresponding eyesight degree are incorporated into batch detection project, after batch detection, display
Controlling terminal 2 saves the secondary batch detection project, and is sent to Cloud Server 4.
Through the above technical solutions, when starting detection, first according to S1, by barcode scanning terminal 1 and display control terminal 2 into
Row connection, can carry out normal communication；Then into S2 is arrived, hand-held interactive terminal 3 and display control terminal 2 are led to
Letter connection, can remotely interact, it is ensured that user carries out eyesight detection in defined range line；Obvious S1, S2's is suitable
Sequence can be interchanged, and the context of S1 and S2 has no influence in the present embodiment；After S1, S2 are ready, step is entered
S3, personnel or administrative staff to be measured can first select the operating mode of current display control terminal 2, can specifically lead to
Cross and operation selection directly carried out to display control terminal 2, or by hand-held interactive terminal 3 interact transmission control signal to
Display control terminal 2 carries out operation selection, and the detection pattern of the display control terminal 2 in further S3 includes single detection
Mode, batch detection mode；Wherein under single detection pattern, display control terminal 2 obtains the eyesight degree being recorded from S11
Afterwards, Cloud Server 4 is sent data to by S12 to store；Under batch detection mode, the acquisition of display control terminal 2 is recorded from S11
Eyesight degree after, by S13 send data to Cloud Server 4 store.After selection finishes detection pattern, S4 is entered, it is to be measured
The identity two dimensional code provided in advance is carried out barcode scanning at barcode scanning terminal 1 by personnel, at this time barcode scanning terminal 1 to the identity two dimensional code into
Row barcode scanning reads corresponding identity information and enters S6, is sent to display control terminal 2, allow display control terminal 2 prepare into
This detection is associated with the identity, and enters S7 by row detection, the identity of 2 typing of display control terminal at this time, display control
Start random display distinguishing mark in terminal 2 processed, which can be U-shaped, V-arrangement, E shape, C-shaped, D-shaped and English alphabet
Random alignment.Thereafter through S8, tested personnel export identification instruction to aobvious and then interacting with hand-held interactive terminal 3
Show controlling terminal 2, S9 display control terminal 2 receives the identification marking for showing identification instruction with this after identification instruction
It is compared, needs to further reduce the big of identification marking when judging whether this time identification instruction is correct, and then judge subsequent
It is small；The corresponding eyesight degree of identification marking of the secondary detection is recorded when identifying identical by S10, and it is big slight to continue display
Other identification markings of level-one continue to carry out recognition detection for tested personnel, the test result of each S10 are judged according to S11, such as
Repeatedly identification matches for fruit connection, and stablizes after the same eyesight degree, then it is corresponding for the identity to record the secondary eyesight degree
Testing result；If the identification instruction of tested personnel Biao Zhi not mismatch therewith, other knowledges of random display same size
It does not identify, and receives the identification instruction of tested personnel again, if still mismatched, show the distinguishing mark of big level-one, and
So circulation identification repeatedly, and constantly enter S11 and judged；After obtaining testing result, into S12, display control terminal 2 is whole
It closes the identity and is transmitted with corresponding eyesight degree and stored to Cloud Server 4, whether facilitate subsequent calls analysis myopia
There is intensification and judge the intensification curve of degree, and then analyzes the influence size that current eye-using environment damages eye eyesight.
In addition, the multiple continuous identification in S11 is compared to being 4 times, number avoids excessive and influences detection speed, also avoids number mistake
Cause measurement result inaccurate less.Wherein, if selecting to be batch detection mode in S3, when S6 records testee's identity,
Testee's identity can be entered into batch detection project, and corresponding testing result is associated typing, when all tested
After personnel's detection finishes, S13 integrates entire project, and is sent to Cloud Server 4, facilitates the statistics of data as a result,
With transfer, the information of personnel will not be lacked.
By above-mentioned flow and method, tested personnel self-service can be detected, and not need the detection of optional equipment profession
Personnel, and then reduce the granting of cost of labor；In addition random display identification marking on display controller, can be to avoid some tested
Personnel carry on the back traditional visual chart, cause testing result inaccurate；Everyone identity can be allowed quickly to record by barcode scanning terminal 1
Enter, do not need voluntarily to input name, lead to time delay, also avoids tested personnel's input error name or other people name
Interfere data statistics；Wherein Cloud Server 4 can facilitate subsequent calls, and be not take up local spatial with store data long term.
As an improved specific embodiment, the interactive mode of the hand-held interactive terminal 3 in S8 includes that body-sensing gesture is handed over
Mutually, one of interactive voice, key interaction or a variety of.
Through the above technical solutions, body-sensing gesture interaction can carry out collocation behaviour by MPU6050 module and control circuit
Make, voice interaction module is identified by existing speech recognition circuit, and key interaction can be by left above and below key-press input
It is right to be sent；By a variety of interactive modes, more tested personnel can be met, such as some elder person's sound of speaking are very
Gently, or being not easy to talker person can use key and body-sensing gesture interactive, crowd inflexible for some fingers
For, interactive voice and body-sensing gesture interaction are to cry suitable selection again, and light for sound of speaking, finger has inflexible old man
For family, body-sensing gesture interaction is again an indispensable interactive mode.
As an improved specific embodiment, Cloud Server 4 in S12 also with educational system database 6, medical system
Database 5 connects, and the integrated results after sending integration are to educational system database 6 or medical system database 5.
The Cloud Server 4 sends data also according to the history of educational system database 6 or medical system database 5 and carries out
It compares, and exports history and send the Mean Deviation value of data and current data to educational system database 6, medical system database
5, display control terminal 2.
Through the above technical solutions, the extensive eyesight for school organization detects, after Cloud Server 4 can be sent to,
It is being sent to educational system database 6, is being analyzed convenient for school data of the educational system related personnel to each section, it can be with
The near-sighted mean change level of some areas and the myopic degree of each school are obtained, if there is the myopia of individual schools fluctuates
Especially severe, maximum probability are equipment and environmental problem, and educational system related personnel is needed to check as early as possible；It is otherwise transmitted to
Medical data base is analyzed, the cause of auxiliary investigation analyzing influence eyesight.It is possible thereby to control the eyesight of section it is unfavorable because
Element is lower to be deepened.Be conducive to protect eyesight, avoid further deepening.
As an improved specific embodiment, by infrared between the hand-held interactive terminal 3, display control terminal 2
Communication connection, Bluetooth communication connection, WIFI communication connection, GPRS communication connection, NFC communication connect, in physical signal lines connection
One or more be communicatively coupled.
It is communicated between the barcode scanning terminal 1, display control terminal 2 by infrared communication connection, Bluetooth communication connection, WIFI
One of connection, GPRS communication connection, NFC communication connection, physical signal lines connection a variety of are communicatively coupled.
Through the above technical solutions, being communicated by infrared communication connection, Bluetooth communication connection, WIFI communication connection, GPRS
Connection, NFC communication connection can allow and be detached from the problem of being routed between handheld terminal and barcode scanning terminal 1 and display control terminal 2, keep away
It is mixed and disorderly to exempt from conducting wire, trips tested personnel when in use.
As an improved specific embodiment, iris recognition module 7, switch are provided on the display control terminal 2
Module 8 is additionally provided with fingerprint identification module 9 in the barcode scanning terminal 1；The iris recognition module 7 is connect with switch module 8,
The fingerprint identification module 9 is communicated to connect with switch module 8, and the switch module 8 is connect with iris recognition module 7, the finger
Line identification module 9 identifies personnel's fingerprint to be measured and sends identification signal to switch module 8, and the switch module 8, which controls iris, to be known
Other 7 open detection of module.
When personnel to be measured carry out barcode scanning movement to two dimensional code by barcode scanning terminal, while finger can be pressed at barcode scanning end
Fingerprint identification module 9 carries out identification verification finger print information to the fingerprint of personnel to be measured at this time on fingerprint identification module 9 on end 1,
If finger print information is checked successfully, identification signal is sent to switch module 8, switch module 8 controls power supply and knows to iris at this time
Other module 7 is powered, it is possible thereby to save the electricity that iris recognition module 7 uses, keeps away after the detection of self-service eyesight
Exempt from long-term no one and close power supply and cause to be electrified for a long time to cause energy waste.When the energization of switch module 8 can be set simultaneously persistently
Between, operation can be programmed by existing programmable switch module, and then realize timed on-off of power.It is possible thereby to avoid one
A little schools are to avoid educational system administrative department to find school's eyesight prevention and control not in place, other people is allowed to replace testee's progress
Test, and then reinforce the effect of eyesight prevention and control.
In addition be additionally provided with temperature sense switch circuit 10 in barcode scanning terminal, temperature sense switch circuit 10 include a comparator U1 and
Metal-oxide-semiconductor Q1, the inverting input terminal of comparator U1 are grounded after being connected with resistance R2, are also connected with resistance R3 and are followed by power supply, comparator
The normal phase input end of U1 is grounded after being connected with resistance R1, is also connected with NTC resistance and is followed by power supply；Comparator U1 output end is connected with
Capacitor C1 is followed by power supply, is also connected with the grid that resistance R4 is followed by metal-oxide-semiconductor Q1, and the source electrode of metal-oxide-semiconductor Q1 connects power supply, and drain electrode is connected to
The power end of fingerprint identification module 9.
When temperature sense switch circuit 10 can be set near fingerprint identification module 9, when personnel to be measured press finger in fingerprint
When on identification module 9, corresponding NTC resistance can experience body temperature, due to the thermo-sensitive resistor that it is negative temperature coefficient, at this time resistance value
Decline, the voltage assigned on resistance R1 at this time increase；Resistance R2 and resistance R3 is divided simultaneously, and outputting reference voltage is compared
Device, at this time if the voltage on R1 is more than the reference voltage, comparator exports high level, and the signal exported at this time passes through resistance
The grid of metal-oxide-semiconductor Q1 is entered after R4 current limliting, at this time by selection different model metal-oxide-semiconductor Q1 can carry out low level conducting and
The selection of high level conducting can choose different metal-oxide-semiconductor Q1 models according to specific demand, illustrate in the present embodiment high
The metal-oxide-semiconductor Q1 of level conducting, metal-oxide-semiconductor Q1 is connected at this time, and plant-grid connection is into fingerprint identification module, it is possible thereby to further save
The energy consumption of barcode scanning terminal.Wherein, resistance R4 carries out current limliting to signal.
The above is only a preferred embodiment of the present invention, protection scope of the present invention is not limited merely to above-mentioned implementation
Example, all technical solutions belonged under thinking of the present invention all belong to the scope of protection of the present invention.It should be pointed out that for the art
Those of ordinary skill for, several improvements and modifications without departing from the principles of the present invention, these improvements and modifications
It should be regarded as protection scope of the present invention.
Claims (10)
1. human-computer interaction myopia prevention and control vision testing method, which comprises the steps of:
S1, barcode scanning terminal (1) and display control terminal (2) is communicated to connect；
S2, hand-held interactive terminal (3) and display control terminal (2) are communicated to connect；
S3, pass through detection pattern needed for display control terminal (2) or hand-held interactive terminal (3) selection；
S4, the hand-held identity two dimensional code of personnel to be measured are placed on barcode scanning terminal (1) and are scanned；
S5, barcode scanning terminal (1) identify the identity two dimensional code, and export identity information；
S6, display control terminal (2) receive identity information and record the identity；
Random display identification marking on S7, display control terminal (2)；
S8, tested personnel pass through hand-held interactive terminal (3) interaction output identification instruction；
S9, display control terminal (2) receive identification instruction and the identification marking for being judged whether and being shown matches；
Match after S10, identification, then records the corresponding eyesight degree of the identification marking, the identification marking of the small level-one of random display；
It mismatches, then other distinguishing marks of random display same size, and compares again, still mismatch the big level-one of then random display
Distinguishing mark；
After S11, multiple continuous identification match, and stablize after the same eyesight degree, then records the secondary eyesight degree；
S12, display control terminal (2) integrate identity and eyesight degree, and are sent to Cloud Server (4) storage.
2. human-computer interaction myopia prevention and control vision testing method according to claim 1, which is characterized in that the hand-held friendship in S8
The interactive mode of mutual terminal (3) includes one of body-sensing gesture interaction, interactive voice, key interaction or a variety of.
3. human-computer interaction myopia prevention and control vision testing method according to claim 1, which is characterized in that the cloud clothes in S12
Business device (4) is also connect with educational system database (6), medical system database (5), and the integrated results after sending integration are to education
System database (6) or medical system database (5).
4. human-computer interaction myopia prevention and control vision testing method according to claim 1, which is characterized in that the hand-held interaction
It is logical by infrared communication connection, Bluetooth communication connection, WIFI communication connection, GPRS between terminal (3), display control terminal (2)
One of letter connection, NFC communication connection, physical signal lines connection a variety of are communicatively coupled.
5. human-computer interaction myopia prevention and control vision testing method according to claim 1, which is characterized in that further include step
After S13, the identity of the multiple tested personnel of integration and corresponding eyesight degree, it is sent to Cloud Server (4) storage；
The detection pattern of display control terminal described in S3 (2) includes single detection pattern, batch detection mode；
Wherein under single detection pattern, after display control terminal (2) obtains the eyesight degree being recorded from S11, sent by S12
Data are stored to Cloud Server (4)；
Under batch detection mode, after display control terminal (2) obtains the eyesight degree being recorded from S11, data are sent by S13
It is stored to Cloud Server (4).
6. human-computer interaction myopia prevention and control vision testing method according to claim 5, which is characterized in that the display control
Terminal (2) has establishment of item module, the establishment of item module creation batch detection project；S13 is by multiple tested personnel's
Identity and corresponding eyesight degree are incorporated into batch detection project, and after batch detection, display control terminal (2) is saved
The secondary batch detection project, and it is sent to Cloud Server (4).
7. human-computer interaction myopia prevention and control vision testing method according to claim 1, which is characterized in that the barcode scanning terminal
(1), pass through infrared communication connection, Bluetooth communication connection, WIFI communication connection, GPRS communication link between display control terminal (2)
It connects, NFC communication connection, one of physical signal lines connection or a variety of be communicatively coupled.
8. human-computer interaction myopia prevention and control vision testing method according to claim 3, which is characterized in that the Cloud Server
(4) data are sent also according to the history of educational system database (6) or medical system database (5) to be compared, and exports and goes through
History sends data and the Mean Deviation value of current data is controlled to educational system database (6), medical system database (5), display
Terminal (2) processed.
9. human-computer interaction myopia prevention and control vision testing method according to claim 1, which is characterized in that the display control
It is provided with iris recognition module (7), switch module (8) in terminal (2), is additionally provided with fingerprint recognition on the barcode scanning terminal (1)
Module (9)；The iris recognition module (7) connect with switch module (8), the fingerprint identification module (9) and switch module (8)
Communication connection, the switch module (8) connect with iris recognition module (7), and the fingerprint identification module (9) identifies personnel to be measured
Fingerprint simultaneously sends identification signal and gives switch module (8), and the switch module (8) controls iris recognition module (7) open detection.
10. human-computer interaction myopia prevention and control vision testing method according to claim 9, which is characterized in that the barcode scanning is whole
It is additionally provided on end temperature sense switch circuit (10), the temperature sense switch circuit (10) includes a comparator U1 and metal-oxide-semiconductor Q1, described
The inverting input terminal of comparator U1 is grounded after being connected with resistance R2, is also connected with resistance R3 and is followed by power supply, the comparator U1's
Normal phase input end is grounded after being connected with resistance R1, is also connected with NTC resistance and is followed by power supply；The comparator U1 output end is connected with
Capacitor C1 is followed by power supply, is also connected with the grid that resistance R4 is followed by metal-oxide-semiconductor Q1, and the source electrode of the metal-oxide-semiconductor Q1 connects power supply, and drain electrode connects
It is connected to the power end of fingerprint identification module (9).
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| CN110664366A (en) * | 2019-09-20 | 2020-01-10 | 深圳市健希生物科技有限公司 | Touch control type vision detection system and control method |
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