CN106248218A - A kind of human body detection device and determination methods thereof - Google Patents
A kind of human body detection device and determination methods thereof Download PDFInfo
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- CN106248218A CN106248218A CN201610776554.XA CN201610776554A CN106248218A CN 106248218 A CN106248218 A CN 106248218A CN 201610776554 A CN201610776554 A CN 201610776554A CN 106248218 A CN106248218 A CN 106248218A
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- 238000001514 detection method Methods 0.000 title claims abstract description 75
- 238000000034 method Methods 0.000 title claims description 10
- 238000007688 edging Methods 0.000 claims abstract description 31
- 230000008878 coupling Effects 0.000 claims abstract description 14
- 238000010168 coupling process Methods 0.000 claims abstract description 14
- 238000005859 coupling reaction Methods 0.000 claims abstract description 14
- 230000000630 rising effect Effects 0.000 claims description 23
- 230000005611 electricity Effects 0.000 claims description 4
- 230000008859 change Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 238000004146 energy storage Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 238000005070 sampling Methods 0.000 description 3
- 230000001960 triggered effect Effects 0.000 description 3
- 239000013078 crystal Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 230000001133 acceleration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
- G01J5/0022—Radiation pyrometry, e.g. infrared or optical thermometry for sensing the radiation of moving bodies
- G01J5/0025—Living bodies
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
- G01J5/10—Radiation pyrometry, e.g. infrared or optical thermometry using electric radiation detectors
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01J—MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT, POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRARED, VISIBLE OR ULTRAVIOLET LIGHT; COLORIMETRY; RADIATION PYROMETRY
- G01J5/00—Radiation pyrometry, e.g. infrared or optical thermometry
- G01J5/10—Radiation pyrometry, e.g. infrared or optical thermometry using electric radiation detectors
- G01J5/34—Radiation pyrometry, e.g. infrared or optical thermometry using electric radiation detectors using capacitors, e.g. pyroelectric capacitors
Abstract
The present invention relates to a kind of human body detection device, for coupling human body detection sensor, level is resetted by described human body detection sensor every time delay the first Preset Time, also including edging trigger circuit, timing circuit and decision circuitry, described edging trigger circuit is for capturing the edge signal of human body detection sensor output level and exporting triggering signal to described decision circuitry；Described timing circuit is configured with the second Preset Time and couples decision circuitry；If described in arbitrary second Preset Time decision circuitry do not receive triggering signal, then judge output the first signal, if described decision circuitry receives triggering signal, then export secondary signal.The suitability is strong, it is not necessary to sensors configured type, it is ensured that signal output is normal.
Description
Technical field
The present invention relates to sensor field, be specifically related to a kind of human body detection device.
Background technology
Along with Smart Home, intelligence facility universal, Human Detection slowly enters the sight line of people, and the most more
Common human body detection sensor includes temperature sensor, pressure transducer, photoelectric sensor, acceleration transducer, and heat is released
Electric transducers etc., and the most relatively conventional detection mode, sensor has high level and low level two kinds by the type of output
State, and two states all can be provided with people or no one by circuit, but so, although to sensor itself
Speech logic is relatively simple, but during to sensor Access Control chip, exists for a problem, and control chip cannot judge sensing
Device type, it is necessary to user pre-enters the configuration that sensor is corresponding, causes trouble when user uses, also improves control
Design cost produced by chip deployment cost and configuration of reservations command interface.
Summary of the invention
It is an object of the invention to, it is provided that the human detection dress of a kind of human body detection sensor adapting to different output type
Put, solve above technical problem；
The second object of the present invention is to provide a kind of human detection determination methods.
Technical problem solved by the invention can realize by the following technical solutions: a kind of human body detection device, uses
In coupling human body detection sensor, level is resetted by described human body detection sensor every time delay the first Preset Time,
Also include edging trigger circuit, timing circuit and decision circuitry,
Described edging trigger circuit is for capturing the edge signal of the output level of described human body detection sensor and exporting triggering
Signal is to described decision circuitry；
Described timing circuit is configured with the second Preset Time and couples decision circuitry；
If in the most described second Preset Time, it is judged that circuit does not receives triggering signal, then export the first signal to refer to
Showing unmanned, if described decision circuitry receives triggering signal, then output secondary signal has people with instruction.
Owing to original human body detection sensor directly exports first/second signal, but cannot distinguish, the design changes
Judgment model, by the edging trigger circuit realiration edge level detection to first/second signal, if such as sensor nothing
Persistently export high level in the case of people, then detected people through out-of-date, moment level drags down, now by level edge identification
It may determine that now there is people's process, otherwise equally, if being low level in the case of sensor is unmanned, then people's warp detected
Out-of-date, moment level is drawn high, and is judged as that someone passes through equally now by level edge identification；Regardless of whether whether people leaves, pass
Sensor all can automatically reset after the first Preset Time, and if people also exists, then sensor reset after, an electricity can be produced again
Flat change, during this period of time, edge signal is captured again, and not met reaches the condition of the second Preset Time, so will not
It is judged as unmanned, but if the most not sampling edge signal in the second preset time period, then judges that people leaves, first,
Judgement to actual scene will not produce bigger error with original judgment mode, secondly, so arranges, and sensor is either
Normally opened or Closed type can meet design condition, improves the effect of design.
Further, described edging trigger circuit is configured to trailing edge and triggers circuit, and described trailing edge triggers circuit capture
The output of human body detection sensor output level trailing edge triggers signal.
Further, described edging trigger circuit is configured to rising edge and triggers circuit, and described rising edge triggers circuit capture
The output of described human body detection sensor output level rising edge triggers signal.Trigger circuit by rising edge or trailing edge triggers
Circuit, it is possible to realize the triggering of rising edge or trailing edge, it is ensured that trigger effect and triggering precision, regardless of whether rising edge or
Trailing edge circuit, all can collect an edge signal people through out-of-date, it is possible to the work of triggering following circuit.
Further, described edging trigger circuit includes the rising edge being arranged in parallel and triggers circuit and trailing edge triggering electricity
Road, described rising edge triggers circuit capture human body detection sensor output level rising edge output and triggers signal, described trailing edge
Testing circuit capture human body detection sensor output level trailing edge output triggers signal.So design, when once through out-of-date, meeting
Export two and trigger signal, equally meet output condition, and corresponding different types of sensor response speed is identical.
Further, described edging trigger circuit couples described timing circuit, triggers when described edging trigger circuit sends
During signal, described timing circuit resets and restarts timing, when the timing time of described timing circuit reach second preset time
Between time, described timing circuit control described decision circuitry export described secondary signal.By the design of timing circuit, can meet
The requirement of timing, plays the effect of a timing.
Further, described edging trigger circuit is configured with described 3rd Preset Time, when presetting at interval of the described 3rd
Between gathered the output level of the most described human body detection sensor, when the institute in described output level and a upper moment of any time
When stating the difference of output level more than preset value, export described triggering signal；Described 3rd Preset Time is first pre-less than described
If the time.Judge porch by this design, relatively simple rationally.
Further, including the interface for coupling human body detection sensor, described interface includes power pins and signal
Pin, described signal pins is for coupling the signal output part of human body detection sensor and receiving described human body detection sensor
Described output level；Described power pins is for coupling the power end of described human body detection sensor and providing described human detection
Working sensor power supply.The design of this interface, is more suitably applied in pyroelectric sensor or infrared photoelectric sensor, side
The most directly use installation.
Further, described second Preset Time is more than described first Preset Time.Ensure that in this unmanned judgement
During, level can carry out once inside out.
In order to realize the second object of the present invention, a kind of human detection determination methods, step one, it is provided that a human detection dress
Put and be coupled to human body detection sensor, obtain the output level of described human body detection sensor；Step 2 a, it is provided that timing circuit
Coupling a decision circuitry, within the second time that timing circuit is preset, the logic of described output level changes, then be judged as
Someone, the logic of described output level does not changes, then be judged as unmanned.
Beneficial effect: owing to using above technical scheme, due to the fact that original human body detection sensor directly exports
Someone/secondary signal, but cannot distinguish, the design changes judgment model, by edging trigger circuit realiration to there being people/the
The edge level detection of binary signal, if persistently exporting high level in the case of such as sensor is unmanned, then people's warp detected
Out-of-date, moment level drags down, now by level edge identification it may determine that now there is people's process, otherwise equally, if passed
Low level in the case of sensor is unmanned, then detected people through out-of-date, moment level is drawn high, now by level edge identification
It is judged as that someone passes through equally；Regardless of whether whether people leaves, sensor all can automatically reset after the first Preset Time, and if
People also exists, then after sensor resets, and can produce again a level change, and during this period of time, edge signal is captured again, and
Not met reaches the condition of the second Preset Time, so will not be judged as unmanned, but if in the second preset time period all
Not sampling edge signal, then judge that people leaves, first, the judgement to actual scene will not produce with original judgment mode
Bigger error, secondly, is so arranged, and sensor is the most normally opened or Closed type can meet design condition, and raising sets
The effect of meter.
Accompanying drawing explanation
Fig. 1 is circuit topological structure schematic diagram of the present invention.
Reference: 100, human body detection device；110, edging trigger circuit；120, timing circuit；130, decision circuitry.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Describe, it is clear that described embodiment is only a part of embodiment of the present invention rather than whole embodiments wholely.Based on
Embodiment in the present invention, those of ordinary skill in the art obtained on the premise of not making creative work all its
His embodiment, broadly falls into the scope of protection of the invention.
It should be noted that in the case of not conflicting, the embodiment in the present invention and the feature in embodiment can phases
Combination mutually.
The invention will be further described with specific embodiment below in conjunction with the accompanying drawings, but not as limiting to the invention.
With reference to Fig. 1, embodiment 1 be one human body detection device 100, is used for coupling human body detection sensor, including for
Coupling the interface of human body detection sensor, described interface includes that power pins and signal pins, described signal pins are used for coupling
The signal output part of human body detection sensor the output level of recipient's body detecting sensor；Described power pins is used for coupling
The power end of human body detection sensor also provides human body detection sensor working power.The design of this interface, being more suitable for should
In pyroelectric sensor or infrared photoelectric sensor, conveniently directly use installation.The every time delay of described human body detection sensor
Level is resetted by the first Preset Time, and sensor can be pyroelectric sensor can also be photoelectric sensor, and first presets
Time can regulate according to demand, can be that 10S once resets and can also once reset for 5 seconds, relatively simple convenience,
Also include that edging trigger circuit 110, timing circuit 120 and decision circuitry 130, described edging trigger circuit 110 are used for capturing
The edge signal of human body detection sensor output level also exports triggering signal to described decision circuitry 130；Described timing circuit
120 are configured with the second Preset Time and couple decision circuitry 130；If described decision circuitry in arbitrary second Preset Time
130 do not receive triggering signal, then judge output the first signal, if described decision circuitry 130 receives triggering signal, then export
Secondary signal.Owing to original human body detection sensor directly exports first/second signal, but cannot distinguish, the design changes
Become judgment model, realize the edge level detection to first/second signal, such as sensor by edging trigger circuit 110
If persistently exporting high level in the case of Wu Ren, then detected people through out-of-date, moment level drags down, now by level limit
Along identifying it may determine that now there is people's process, otherwise equally, if being low level in the case of sensor is unmanned, then detect
Someone is through out-of-date, and moment level is drawn high, and is judged as that someone passes through equally now by level edge identification；Regardless of whether people whether from
Opening, sensor all can automatically reset after the first Preset Time, and if people also exists, then sensor reset after, can produce again
One level change, during this period of time, edge signal is captured again, and not met reaches the condition of the second Preset Time, institute
Unmanned being judged as, but if the most not sampling edge signal in the second preset time period, then judge that people leaves,
First, the judgement to actual scene will not produce bigger error with original judgment mode, secondly, so arranges, sensor
The most normally opened or Closed type can meet design condition, improves the effect of design.
Embodiment 2, described edging trigger circuit 110 is configured to rising edge and triggers circuit, and described rising edge triggers circuit and catches
Obtain the output of human body detection sensor output level rising edge and trigger signal, corresponding if the sensor of open type, then human body
Directly trigger through the out-of-date rising edge that there will be, and if correspondence is closed type sensor, the triggered time has reformed into human body process
Rear first Preset Time, when level reset instantaneous trigger.
Embodiment 3, described edging trigger circuit 110 is configured to trailing edge and triggers circuit, and described trailing edge testing circuit is caught
Obtain the output of human body detection sensor output level trailing edge and trigger signal.Corresponding if the sensor of closed type, then human body
Directly trigger through the out-of-date trailing edge that there will be, and if correspondence is open type sensor, the triggered time has reformed into human body process
Rear first Preset Time, when level reset instantaneous trigger.
Embodiment 4, described edging trigger circuit 110 includes the rising edge being arranged in parallel and triggers circuit or trailing edge triggering
Circuit, described rising edge triggers circuit capture human body detection sensor output level rising edge output and triggers signal, described decline
Signal is triggered along testing circuit capture human body detection sensor output level trailing edge output.So design, when once through out-of-date,
Two can be exported and trigger signal, equally meet output condition, and corresponding different types of sensor response speed is identical.
Embodiment 5, described edging trigger circuit 110 is configured with the 3rd Preset Time, at interval of the 3rd Preset Time collection
Human body detection sensor output level, when the output level of any time was more than with the difference of the output level in a upper moment
During preset value, output triggers signal.Judge porch by this design, relatively simple rationally.3rd Preset Time
Could be arranged to 0.1S, the most often detect a level through 0.1S, and the change of level can be put by absolute value error
Big device and comparator realize, and absolute value error amplifier amplifies the lever error of twice detection, comparator relative error, if
Error is more than preset value, then be judged as that signal upset occurs in this moment.
Embodiment 6, described edging trigger circuit 110 couples described timing circuit 120, when described edging trigger circuit 110 sends
When triggering signal, described timing circuit 120 resets and restarts timing, when the timing time of described timing circuit 120 reaches
During the second Preset Time, described timing circuit 120 controls described decision circuitry 130 and exports secondary signal.By reset signal control
Timing circuit 120 processed has following two mode, analog circuit mode to realize, and analog circuit includes an energy-storage units, controlled switch
And predetermined current, during controlled switch open, predetermined current provides electricity, the rising of energy-storage units voltage to reach default for energy-storage units
Value just needs the second Preset Time, and if when needing to reset, disconnect controlled switch, and the electric discharge of moment energy-storage units, next time
It is accomplished by recharging.Realize by the way of digital circuit, be enumerator, crystal oscillator, depositor of design, enumerator
By crystal oscillator keeping count, depositor then configures the counting of the second Preset Time, if counting reaches the quantity of register design,
The spilling end output high level of enumerator, and the work of the reset terminal of enumerator controlled energy-storage units.
Embodiment 7, timing circuit and decision circuitry in embodiment 1 can be integrated in same chip, and pass through chip
Integrated timing, arbitration functions, and off-chip designs an edging trigger circuit, identifies edge signal.
Embodiment 8, timing circuit and decision circuitry in embodiment 1 can be integrated in arbitrary terminal, pass through terminal
Realize timing and arbitration functions.Terminal can be mobile phone, computer, server, and triggers signal by the way of wirelessly or non-wirelessly
It is sent to mobile phone, computer end or server.
The foregoing is only preferred embodiment of the present invention, not thereby limit embodiments of the present invention and protection model
Enclose, to those skilled in the art, it should can appreciate that done by all utilization description of the invention and diagramatic content
Scheme obtained by equivalent and obvious change, all should be included in protection scope of the present invention.
Claims (9)
1. a human body detection device, is used for coupling human body detection sensor, and the every time delay first of described human body detection sensor is pre-
If level is resetted by the time, it is characterised in that
Also include edging trigger circuit, timing circuit and decision circuitry,
Described edging trigger circuit is for capturing the edge signal of the output level of described human body detection sensor and exporting triggering
Signal is to described decision circuitry；
Described timing circuit is configured with the second Preset Time and couples decision circuitry；
If in the most described second Preset Time, described decision circuitry does not receives triggering signal, then export the first signal
Having people with instruction, if described decision circuitry receives triggering signal, then output secondary signal is unmanned with instruction.
A kind of human body detection device the most according to claim 1, it is characterised in that
Described edging trigger circuit is configured to rising edge and triggers circuit, and described rising edge triggers circuit and captures described human detection biography
The output of sensor output level rising edge triggers signal.
A kind of human body detection device the most according to claim 1, it is characterised in that
Described edging trigger circuit is configured to trailing edge and triggers circuit, and described trailing edge testing circuit captures described human detection and passes
Sensor output level trailing edge exports described triggering signal.
A kind of human body detection device the most according to claim 1, it is characterised in that
Described edging trigger circuit includes the rising edge being arranged in parallel and triggers circuit and trailing edge triggering circuit, described rising edge
Trigger circuit capture human body detection sensor output level rising edge output and trigger signal, described trailing edge testing circuit capture people
The output of body detecting sensor output level trailing edge triggers signal.
A kind of human body detection device the most according to claim 1, it is characterised in that
Described edging trigger circuit couples described timing circuit, when described edging trigger circuit sends and triggers signal, and described meter
Time circuit reset restart timing, when the timing time of described timing circuit reaches the second Preset Time, described timing
Circuit controls described decision circuitry and exports described secondary signal.
A kind of human body detection device the most according to claim 1, it is characterised in that described edging trigger circuit has configured
State the 3rd Preset Time, gather the output level of the most described human body detection sensor at interval of described 3rd Preset Time, when
When the difference of the described output level in the described output level of any time and a upper moment is more than preset value, exported described triggering
Signal；Described 3rd Preset Time is less than described first Preset Time.
A kind of human body detection device the most according to claim 1, it is characterised in that include for coupling human detection sensing
The interface of device, described interface includes power pins and signal pins, and described signal pins is for coupling human body detection sensor
Signal output part also receives the described output level of described human body detection sensor；Described power pins is used for coupling described human body
Detect the power end of sensor and described human body detection sensor working power is provided.
A kind of human body detection device the most according to claim 1, it is characterised in that described second Preset Time is more than described
First Preset Time.
9. a human detection determination methods, it is characterised in that
Step one a, it is provided that human body detection device is coupled to human body detection sensor, obtains the defeated of described human body detection sensor
Go out level；
Step 2 a, it is provided that timing circuit couples a decision circuitry, within the second time that timing circuit is preset, described output electricity
Flat logic changes, then be judged as there is people, and the logic of described output level does not changes, then be judged as unmanned.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610776554.XA CN106248218A (en) | 2016-08-31 | 2016-08-31 | A kind of human body detection device and determination methods thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610776554.XA CN106248218A (en) | 2016-08-31 | 2016-08-31 | A kind of human body detection device and determination methods thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110209059A (en) * | 2019-05-05 | 2019-09-06 | 深圳绿米联创科技有限公司 | There are unmanned detection method, device, electronic equipment and system |
| CN114694365A (en) * | 2020-12-29 | 2022-07-01 | 光宝科技股份有限公司 | Alarm detection device and method |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002221552A (en) * | 2001-01-26 | 2002-08-09 | Hitachi Ltd | Semiconductor integrated circuit device |
| CN101132128A (en) * | 2007-08-16 | 2008-02-27 | 浙江大学 | Electrifying and switching on control method used for creepage protector |
| CN202109298U (en) * | 2010-10-14 | 2012-01-11 | 山东科技大学 | Classroom illuminating device based on control on number of people |
| CN202652644U (en) * | 2012-06-19 | 2013-01-02 | 武汉钢铁(集团)公司 | Automatic lighting device of single-person occasion with single door for entry and exit |
| CN102957404A (en) * | 2012-10-22 | 2013-03-06 | 成都微阵列电子有限责任公司 | Edge time reading circuit |
| CN104316203A (en) * | 2014-10-20 | 2015-01-28 | 重庆邮电大学 | Non-refrigeration infrared focal plane array driving control circuit integration design method |
| US20150192472A1 (en) * | 2014-01-09 | 2015-07-09 | University Of Electronic Science And Technology Of China | Readout circuit for uncooled infrared focal plane array |
| CN107085181A (en) * | 2017-04-12 | 2017-08-22 | 武汉世纪金桥安全技术有限公司 | Direct current dorsad light fiber switch detecting system |
-
2016
- 2016-08-31 CN CN201610776554.XA patent/CN106248218A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002221552A (en) * | 2001-01-26 | 2002-08-09 | Hitachi Ltd | Semiconductor integrated circuit device |
| CN101132128A (en) * | 2007-08-16 | 2008-02-27 | 浙江大学 | Electrifying and switching on control method used for creepage protector |
| CN202109298U (en) * | 2010-10-14 | 2012-01-11 | 山东科技大学 | Classroom illuminating device based on control on number of people |
| CN202652644U (en) * | 2012-06-19 | 2013-01-02 | 武汉钢铁(集团)公司 | Automatic lighting device of single-person occasion with single door for entry and exit |
| CN102957404A (en) * | 2012-10-22 | 2013-03-06 | 成都微阵列电子有限责任公司 | Edge time reading circuit |
| US20150192472A1 (en) * | 2014-01-09 | 2015-07-09 | University Of Electronic Science And Technology Of China | Readout circuit for uncooled infrared focal plane array |
| CN104316203A (en) * | 2014-10-20 | 2015-01-28 | 重庆邮电大学 | Non-refrigeration infrared focal plane array driving control circuit integration design method |
| CN107085181A (en) * | 2017-04-12 | 2017-08-22 | 武汉世纪金桥安全技术有限公司 | Direct current dorsad light fiber switch detecting system |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110209059A (en) * | 2019-05-05 | 2019-09-06 | 深圳绿米联创科技有限公司 | There are unmanned detection method, device, electronic equipment and system |
| CN110209059B (en) * | 2019-05-05 | 2022-07-12 | 深圳绿米联创科技有限公司 | Method and device for detecting existence of people, electronic equipment and system |
| CN114694365A (en) * | 2020-12-29 | 2022-07-01 | 光宝科技股份有限公司 | Alarm detection device and method |
| CN114694365B (en) * | 2020-12-29 | 2023-12-01 | 光宝科技股份有限公司 | Alarm detection device and method |
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