CN106910345A - The control method of electronic police light-supplementing system - Google Patents
The control method of electronic police light-supplementing system Download PDFInfo
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- CN106910345A CN106910345A CN201710239436.XA CN201710239436A CN106910345A CN 106910345 A CN106910345 A CN 106910345A CN 201710239436 A CN201710239436 A CN 201710239436A CN 106910345 A CN106910345 A CN 106910345A
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- light
- control unit
- vehicle
- light filling
- light source
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- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/01—Detecting movement of traffic to be counted or controlled
- G08G1/017—Detecting movement of traffic to be counted or controlled identifying vehicles
- G08G1/0175—Detecting movement of traffic to be counted or controlled identifying vehicles by photographing vehicles, e.g. when violating traffic rules
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B15/00—Special procedures for taking photographs; Apparatus therefor
- G03B15/02—Illuminating scene
- G03B15/03—Combinations of cameras with lighting apparatus; Flash units
- G03B15/05—Combinations of cameras with electronic flash apparatus; Electronic flash units
-
- G—PHYSICS
- G08—SIGNALLING
- G08G—TRAFFIC CONTROL SYSTEMS
- G08G1/00—Traffic control systems for road vehicles
- G08G1/01—Detecting movement of traffic to be counted or controlled
- G08G1/048—Detecting movement of traffic to be counted or controlled with provision for compensation of environmental or other condition, e.g. snow, vehicle stopped at detector
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- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B45/00—Circuit arrangements for operating light-emitting diodes [LED]
- H05B45/10—Controlling the intensity of the light
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
- H05B47/10—Controlling the light source
- H05B47/105—Controlling the light source in response to determined parameters
-
- H—ELECTRICITY
- H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
- H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
- H05B47/00—Circuit arrangements for operating light sources in general, i.e. where the type of light source is not relevant
- H05B47/10—Controlling the light source
- H05B47/105—Controlling the light source in response to determined parameters
- H05B47/11—Controlling the light source in response to determined parameters by determining the brightness or colour temperature of ambient light
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Traffic Control Systems (AREA)
- Management, Administration, Business Operations System, And Electronic Commerce (AREA)
Abstract
The invention discloses a kind of control method of electronic police light-supplementing system, comprise the following steps：(A), environment optical detecting unit collection illuminance information judges that in the daytime/night status are delivered to control unit；(B), control unit output signal control electric light source starts in the daytime/Night work：Electric light source does not start work under day mode；Darkening light filling trigger element trigger collection darkening light filling information, determines whether vehicle trigger signal and is delivered to control unit under Night；(C) element output signal control electric light source not light filling is controlled when, without vehicle trigger signal, darkening light filling, the work of traffic signals detection unit is started when having vehicle trigger signal；(D), traffic signals detection unit acquisition process signal lamp cycle information conveyance is to control unit；(E) it is high brightness within the green light amber light cycle that, control unit control electric light source regulation power output adjusts brightness, is low-light level in red light cycle；(F) when, vehicle passes through electronic police, camera is captured.
Description
Technical field
The invention belongs to traffic monitoring technical field, more particularly to a kind of control method of electronic police light-supplementing system.
Background technology
Road traffic monitoring system is widely used, and the traffic intersection in many cities is fitted with separated for shooting
The camera of chapter vehicle panoramic image and license plate image.The road traffic monitoring system of above-mentioned utilization camera is commonly known as electricity
Sub- policing system.Panoramic picture that electronic police system can be photographed by camera and car plate photo obtain vehicles peccancy
The vehicle-related information such as the number-plate number, so as to reach the purpose of monitor in real time vehicle traveling and management road traffic.In the moon
The bad weathers such as misty rain haze and night, electronic police surrounding enviroment illuminance is relatively low to influence monitoring, shooting effect, in order to reach
Preferable shooting effect, obtains the clearly information such as car plate photo, need to overcome the not enough problem of ambient light illumination using light compensating lamp.
Electronic police system is when using LED light supplement lamp light filling in the prior art, high intensity light filling all the time, it is impossible to according to ambient lighting
Spend, whether there is vehicle and changed by electronic police and traffic lights and work adjusting LED light supplement lamp, both waste the energy, but it is dirty
Environment is contaminated.
The content of the invention
It is an object of the invention to provide a kind of control method of electronic police light-supplementing system, in real time according to ambient light illumination
Information, vehicle triggering darkening light filling information and traffic lights cycle information carry out Intelligent adjustment light filling, have both met camera shooting
The energy saving consumption again of light filling demand, reduces light pollution.
To achieve these goals, the present invention takes following technical scheme：A kind of controlling party of electronic police light-supplementing system
Method, comprises the following steps：(A), environment optical detecting unit collection ambient light illumination information judges that in the daytime/night status are delivered to control
Unit processed；(B), control unit output signal control electric light source starts in the daytime/Night work：Under day mode, electric light source
Do not start work, into step F；Under Night, darkening light filling trigger element collection vehicle triggering darkening light filling information judges
Whether there is vehicle trigger signal and be delivered to control unit, into step C；(C) element output signal is controlled when, without vehicle trigger signal
Electric light source not light filling is controlled, darkening light filling, traffic signals detection unit work, into step D are started when having vehicle trigger signal；
(D), traffic signals detection unit acquisition process signal lamp cycle information conveyance is to control unit；(E), control unit control electric light
The adjustment brightness of source regulation power output in green light, in the amber light cycle be high brightness, be low-light level in red light cycle, subsequently enter step
Rapid F；(F) when, vehicle passes through electronic police, camera is captured.
In above-mentioned technical proposal, the ambient light illumination information that control unit is gathered according to environment optical detecting unit controls electric light
Source is worked, and ambient light illumination meets the shooting demand of camera under day mode, and clearly license plate can be shot without light filling
Piece；Under Night, darkening light filling trigger element Real-time Collection vehicle triggering darkening light filling information does not have during without vehicle trigger signal
There is vehicle not captured without light filling by electronic police camera；When there is vehicle trigger signal, vehicle comes into electronic police prison
Control scope, camera is ready to capture, and traffic signals detection unit passes the traffic lights cycle information of timely collection
Control unit is handed to, subsequent control unit output signal regulation power output adjusts the brightness of electric light source, in green light, amber light cycle
Internal cause vehicle is constantly larger by electronic police vehicle flowrate, so electric light source is high brightness；No through traffic for vehicle in red light cycle,
So electric light source is low-light level can meet requirement.The method is triggered by timely collection ambient light illumination information, vehicle
Darkening light filling information, traffic lights cycle information carry out intelligent control to electric light source, assist camera to shoot clear license plate
Also energy resource consumption and light pollution are farthest reduced while piece.
Brief description of the drawings
Fig. 1 is principle of the invention block diagram.
Specific embodiment
With reference to accompanying drawing 1, the present invention is made further instructions：
A kind of control method of electronic police light-supplementing system, comprises the following steps：(A), environment optical detecting unit 20 is gathered
Ambient light illumination information judges that in the daytime/night status are delivered to control unit 10；(B), the output signal of control unit 10 control electricity
Light source 30 starts in the daytime/Night work：Under day mode, electric light source 30 does not start work, into step F；Night
Under, the collection vehicle of darkening light filling trigger element 40 triggering darkening light filling information determines whether vehicle trigger signal and is delivered to control
Unit 10, into step C；(C) output signal of control unit 10 controls the not light filling of electric light source 30 when, without vehicle trigger signal, has
Start darkening light filling during vehicle trigger signal, traffic signals detection unit 50 works, into step D；(D), traffic signals detection
The acquisition process signal lamp cycle information conveyance of unit 50 is to control unit 10；(E), the control of control unit 10 electric light source 30 adjusts defeated
Go out power adjustment brightness green light, in the amber light cycle for high brightness, be low-light level in red light cycle, subsequently enter step F；(F)、
When vehicle passes through electronic police, camera 70 is captured.The ambient light illumination that control unit 10 is gathered according to environment optical detecting unit 20
Information control electric light source 30 works, and ambient light illumination meets the shooting demand of camera 70 under day mode, can be clapped without light filling
Take out clearly car plate photo；Under Night, the Real-time Collection vehicle of darkening light filling trigger element 40 triggering darkening light filling information,
There is no vehicle not captured without light filling by electronic police camera 70 during without vehicle trigger signal；The car when there is vehicle trigger signal
Electronic police monitoring range is come into, camera 70 is ready to capture, and traffic signals detection unit 50 is by Real-time Collection
The traffic lights cycle information of reason is transferred to control unit 10, the regulation power output adjustment of the output signal of subsequent control unit 10
The brightness of electric light source 30, it is constantly larger by electronic police vehicle flowrate in green light, amber light cycle internal cause vehicle, so electric light source 30
It is high brightness；No through traffic for vehicle in red light cycle, so electric light source 30 is low-light level can meet requirement.The method is by real
When acquisition process ambient light illumination information, vehicle triggering darkening light filling information, traffic lights cycle information electric light source 30 is entered
Row intelligent control, also farthest reduces energy resource consumption while assisting camera 70 to shoot clear car plate photo and light is dirty
Dye.
Also include signals of vehicles detection unit 60 in described step F, the detection vehicle of signals of vehicles detection unit 60 is reached
Control unit 10 is outputed signal to when capturing trigger position, while trigger camera 70 capturing, the control electric light source 30 of control unit 10
The not light filling under day mode, brightness reaches high-high brightness for camera 70 captures light filling under Night.Signals of vehicles is detected
Unit 60 is that video virtual coil vehicle checker or radar or ground induction coil vehicle checker etc. are used for collection vehicle and trigger grab signal, when
Vehicle to be reached and export trigger signal to control unit 10 and camera 70, ambient lighting under day mode respectively when capturing trigger position
Degree meets the shooting demand of camera 70, and clearly car plate photo can be shot without light filling；Electric light source 30 reaches under Night
It is that camera 70 shoots stroboscopic light filling to high-high brightness, subsequent electric light source 30 recovers to low-light level.If the vehicle letter in red light cycle
Number detection unit 60 detects rule-breaking vehicle when making a dash across the red light, then output signal triggering camera 70 is captured, and electric light source 30 is immediately from low
Brightness be changed to high brightness assist camera 70 capture light filling, light filling terminate after electric light source 30 returned to by high brightness again it is low bright
Degree.
Described environment optical detecting unit 20 includes optical sensor 21 and first processor 22, and step A comprises the following steps：
(A1), built-in optical sensors 21 gather ambient light illumination information and are transferred to first processor 22；(A2), first processor 22 will
The ambient light illumination of reception and preset threshold value B1 multilevel iudges in the daytime/night status.B1 is the ambient light illumination threshold for pre-entering
Value, accurately judges the ambient light illumination of current collection for first processor 22, is state in the daytime when collection value is more than B1, adopts
Set value is night status when being less than B1.
Further, described step A also comprises the following steps：(A3), described first processor 22 judges that environment is
Night status, first processor 22 receives ambient light illumination and compares with preset threshold value B2 again；(A4), when collection value is more than B2,
Control unit 10 sends signal control electric light source 30 and does not start light filling operation；(A5), when collection value is less than B2, darkening light filling is touched
Bill unit 40 works with traffic signals detection unit 50.Preset threshold value B2 is to further accurately judge current ambient light
Illumination, less than B1 for artificial adjustment is set, be that electronic police surrounding enviroment are brighter under Night does not need the light filling can also to B2
Brightness needed for meeting the shooting clear photo of camera 70, when collection value is more than B2, the control of control unit 10 electric light source 30 does not start
Light filling is operated, and further avoids the waste of the energy.
Described darkening light filling trigger element 40 includes detector 41 and second processing device 42, and step B includes as follows
Step：(B1), the collection vehicle of detector 41 triggering darkening light filling information D is transferred to second processing device 42 under Night；
(B2), the receive information of second processing device 42 and preset threshold value D1 multilevel iudges, and judged result to control unit 10 is exported, control
Unit 10 is also preset with the light filling delay time T1 as D=D1.Detector 41 uses laser vehicle checker or wireless geomagnetism
Remotely sensing vehicle triggers darkening light filling information for vehicle checker or radar etc., and D1 is that darkening light filling triggers preset threshold value, works as D=D1
When, electric light source 30 starts darkening light filling, because the set of time in each crossroads traffic light cycle is probably different, each vehicle
Speed and state when approaching and by electronic police can also vary, and some vehicles may surpass when close to electronic police
Run at a low speed and even stop traveling, in order to avoid the invalid light filling of long-time of electric light source 30, control unit 10 is preset with as D=D1
Light filling delay time T1, i.e., within the T1 times electric light source 30 brightness continue according to signal lamp cycle change light filling, T1 time delays
Time terminates electric light source 30 and is stopped, and waits for monitoring light filling operation next time.It is to control to set delay time T1
The light filling working time of electric light source processed 30, average speed, traffic lights cycle should be fully taken into account when delay time T1 is set long
It is short to wait many factors, should be taken pictures the reserved time enough of light filling to camera 70, realize that saving energy consumption reduces light pollution again
Purpose.
Described traffic signals detection unit 50 includes the processor 52 of traffic signals collector 51 and the 3rd, and step D includes
Following steps：(D1), the output control signal of the collection of traffic signals collector 51 traffic light controller is transferred at the 3rd
Reason device 52；(D2), the 3rd processor 52 receives signal and carries out dissection process, and dissection process result then is transferred into control unit
10.Traffic signals collector 51 is connected with the controller of traffic lights, and accurately collection traffic light controller is exported
The cycle state information of red, green, yellow signal lamp, the 3rd processor 52 receives cycle state information and dissection process, output signal
To control unit 10, control unit 10 controls electric light source 30 that the brightness of electric light source 30 is adjusted according to signal lamp cycle status information.
Control unit 10 also pre-enters light filling delay time T2, T3 in described step E, red when amber light end cycle
When the lamp cycle starts, it is T2 that electric light source 30 maintains the delay time of high brightness light filling；There is vehicle illegal to make a dash across the red light in red light cycle,
Signals of vehicles detection unit 60 sends candid photograph trigger signal, and electric light source 30 is changed to the light filling time delay of high brightness from low-light level immediately
Time is T3.It is the high brightness shot to camera 70 for the proper extension in amber light end cycle to set light filling delay time T2
The light filling time, when the illegal activities such as made a dash across the red light once going through stop light occur, it is ensured that to vehicles peccancy illegal activities information gathering
Accurately and completely property；If having vehicle in red light cycle carries out driving of making a dash across the red light in violation of rules and regulations, at this moment signals of vehicles detection unit 60 is defeated
Go out and capture trigger signal, electric light source 30 is changed to high brightness and assists camera 70 to be taken pictures from low-light level immediately, now high-strength
Degree light filling delay time is T3, and time delay terminates rear electric light source 30 and recovers to low-intensity, and it is in order to full to set light filling delay time T3
Sufficient camera 70 is complete to the illegal process of vehicles peccancy in red light cycle, link up the continuous requirement for capturing light filling when collecting evidence, and reduces
Because brightness changes the flash of light to be formed interference.The appropriate T3 times, it is ensured that the knowledge of complete display is obtained in red light cycle
The video foundation of other vehicles peccancy illegal activities.It is rational that light filling delay time T1, T2, T3 are set, camera 70 can met
On the premise of shooting light filling, the purpose that energy saving reduces light pollution is reached.
Darkening light filling technology is triggered using vehicle, when having vehicle close and by electronic police, the light filling of electric light source 30, nothing
Vehicle close to and by electronic police, the not light filling of electric light source 30 is that control method of the present invention realizes that energy saving reduces light pollution
Main Means.If the daily magnitude of traffic flow is substantially divided into peak period, flat peak phase, low peak period and low ebb phase, if phase
Daily light filling time from the evening 18 of machine 70:00 to morning 6:00, totally 12 hours, then evening 18:00-20:00 can incorporate into
Magnitude of traffic flow peak period, evening 20:00-22:00 can incorporate the magnitude of traffic flow flat peak phase, evening 22 into:00-00:00 and morning
5:00-6:00 can incorporate magnitude of traffic flow low peak period, night 00 into:00- mornings 5:00 can incorporate the magnitude of traffic flow low ebb phase into.By
After electric light source 30 is using triggering darkening light filling technological means, whole flat peak phase, low peak period and low ebb phase can be reduced for measuring and calculating
Light filling working time 45%-50% or so, average saving energy consumption more than 40%.Using traffic signals collection and treatment technology, make
The brightness for obtaining electric light source 30 adjusts switching according to signal lamp cycle state between high brightness and low-light level, is controlling party of the present invention
Method realizes that energy saving reduces the important means of light pollution.Ensuring the shooting impregnable premise of light filling of camera 70 by calculating
Under, can be with energy saving loss 18-20% or so.More than integrated use two kinds of technological means, deduct control system 5% left side in itself
Right power attenuation, control method of the present invention is minimum than traditional electronic police light-supplementing system saving energy consumption up to more than 50%.
Claims (7)
1. a kind of control method of electronic police light-supplementing system, comprises the following steps：
(A), environment optical detecting unit (20) collection ambient light illumination information judges that in the daytime/night status are delivered to control unit
(10)；
(B), control unit (10) output signal controls electric light source (30) to start in the daytime/Night work：Under day mode, electricity
Light source (30) does not start work, into step F；Under Night, the triggering darkening of darkening light filling trigger element (40) collection vehicle
Light filling information, determines whether vehicle trigger signal and is delivered to control unit (10), into step C；
(C) control unit (10) output signal controls electric light source (30) not light filling when, without vehicle trigger signal, has vehicle to trigger letter
Number when start darkening light filling, traffic signals detection unit (50) work, into step D；
(D), traffic signals detection unit (50) acquisition process signal lamp cycle information conveyance is to control unit (10)；
(E), control unit (10) controls electric light source (30) regulation power output adjustment brightness in green light, in the amber light cycle is highlighted
It is low-light level in degree, red light cycle, subsequently enters step F；
(F) when, vehicle passes through electronic police, camera (70) is captured.
2. the control method of electronic police light-supplementing system according to claim 1, it is characterised in that：In described step F
Also include signals of vehicles detection unit (60), signals of vehicles detection unit (60) detection vehicle reached and exported when capturing trigger position
Signal is to control unit (10), while trigger camera (70) capturing, control unit (10) controls electric light source (30) in day mode
Under not light filling, brightness reaches high-high brightness for camera (70) captures light filling under Night.
3. the control method of electronic police light-supplementing system according to claim 1, it is characterised in that：Described ambient light inspection
Surveying unit (20) includes optical sensor (21) and first processor (22), and step A comprises the following steps：
(A1), built-in optical sensors (21) gather ambient light illumination information and are transferred to first processor (22)；
(A2), first processor (22) will receive ambient light illumination and preset threshold value B1 multilevel iudges in the daytime/night status.
4. the control method of electronic police light-supplementing system according to claim 3, it is characterised in that：Described step A is also
Comprise the following steps：
(A3), described first processor (22) judges that environment is night status, and first processor (22) receives ambient light illumination
Compare with preset threshold value B2 again；
(A4), when collection value is more than B2, control unit (10) sends signal and controls electric light source (30) not start light filling operation；
(A5), when collection value is less than B2, darkening light filling trigger element (40) works with traffic signals detection unit (50).
5. the control method of electronic police light-supplementing system according to claim 1, it is characterised in that：Described darkening light filling
Trigger element (40) includes detector (41) and second processing device (42), and step B comprises the following steps：
(B1), detector (41) collection vehicle triggering darkening light filling information D is transferred to second processing device under Night
(42)；
(B2), second processing device (42) receive information and preset threshold value D1 multilevel iudges, and export judged result to control unit
(10), control unit (10) is also preset with the light filling delay time T1 as D=D1.
6. the control method of electronic police light-supplementing system according to claim 1, it is characterised in that：Described traffic signals
Detection unit (50) includes traffic signals collector (51) and the 3rd processor (52), and step D comprises the following steps：
(D1), the output control signal of traffic signals collector (51) collection traffic light controller is transferred to the 3rd processor
(52)；
(D2), the 3rd processor (52) receives signal and carries out dissection process, and dissection process result then is transferred into control unit
(10)。
7. the control method of electronic police light-supplementing system according to claim 1, it is characterised in that：In described step E
Control unit (10) also pre-enters light filling delay time T2, T3, when amber light end cycle, when red light cycle starts, electric light source
(30) delay time for maintaining high brightness light filling is T2；There is vehicle illegal to make a dash across the red light in red light cycle, signals of vehicles detection unit
(60) candid photograph trigger signal is sent, the light filling delay time that electric light source (30) is changed to high brightness from low-light level immediately is T3.
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| CN201710239436.XA CN106910345A (en) | 2017-04-13 | 2017-04-13 | The control method of electronic police light-supplementing system |
| CN201810299412.8A CN108538059B (en) | 2017-04-13 | 2018-04-04 | Control method of electronic police light supplement system |
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| CN201710239436.XA CN106910345A (en) | 2017-04-13 | 2017-04-13 | The control method of electronic police light-supplementing system |
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| US9715827B2 (en) * | 2015-04-01 | 2017-07-25 | Misapplied Sciences, Inc. | Multi-view traffic signage |
| CN205374953U (en) * | 2015-12-31 | 2016-07-06 | 南威软件股份有限公司 | Video bayonet socket intelligence stroboscopic light filling lamp |
| CN205451482U (en) * | 2016-03-07 | 2016-08-10 | 华北科技学院 | Based on internet of things traffic violation monitoring device |
-
2017
- 2017-04-13 CN CN201710239436.XA patent/CN106910345A/en active Pending
-
2018
- 2018-04-04 CN CN201810299412.8A patent/CN108538059B/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107333070A (en) * | 2017-07-12 | 2017-11-07 | 江苏集萃有机光电技术研究所有限公司 | Image acquiring method and diagnostic equipment |
| CN107333070B (en) * | 2017-07-12 | 2019-07-12 | 江苏集萃有机光电技术研究所有限公司 | Image acquiring method and diagnostic equipment |
| CN114257751A (en) * | 2021-12-17 | 2022-03-29 | 航天信息股份有限公司 | Follow-up light filling system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108538059A (en) | 2018-09-14 |
| CN108538059B (en) | 2020-01-10 |
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