CN205029744U - Light filling camera, control device , light filling device and be used for control system of light filling - Google Patents
Light filling camera, control device , light filling device and be used for control system of light filling Download PDFInfo
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- CN205029744U CN205029744U CN201520772846.7U CN201520772846U CN205029744U CN 205029744 U CN205029744 U CN 205029744U CN 201520772846 U CN201520772846 U CN 201520772846U CN 205029744 U CN205029744 U CN 205029744U
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Abstract
The utility model discloses a light filling camera, control device, light filling device and be used for control system of light filling. Wherein, this light filling camera includes: the reputation switching device for will be by ambient brightness data conversion's the first signal of telecommunication and will be by audio frequency data conversion's the 2nd electric output to control device, control device is connected with the reputation switching device for receive the first signal of telecommunication and the second signal of telecommunication, according to the first signal of telecommunication and a second electricity signal generation control command or the 2nd control command, control light filling device, the light filling device is connected with control device for open the light filling wave band under control device's control. The utility model provides a technical problem of the unable light filling wave band that suit to different user's scene settlements of the control system of the many unit inputs that provide in the correlation technique, the output of many units.
Description
Technical field
The utility model relates to field of video monitoring, in particular to a kind of light filling video camera, control device, light filling device and the control system for light filling.
Background technology
Light compensating lamp refers to realize the whole day imaging effect of 24 hours, and can configure the light of different supplementary light sources based on different applied environments, light compensating lamp generally has the differentiation of visible ray and invisible light or white light and infrared lamp.
Light compensating lamp wave band typically refers to the wave band of the light that infrared light compensating lamp emits, such as: that 850nm (940nm) refers to that light compensating lamp launches is 850nm (940nm) is main light wave.
Red quick-fried phenomenon refers to that the infrared light compensating lamp usually adopted is because optical scattering reason can exist some visible light band emission out, the red point causing human eye can see obvious; Wherein, the light compensating lamp of 850nm wave band just has obvious red quick-fried phenomenon.
Fig. 1 is the schematic diagram according to the polynary input of correlation technique, the control system of polynary output.As shown in Figure 1, this system can comprise: optical unit and acoustic elements, detection system, control system and fill light system.In the related, the current conventional configuration mode of control system of polynary input, polynary output is under application-specific scene, adopt Single switch input as decision condition, and fill light system be merely able to have output or no-output between make binary select.Such as: as light compensating lamp, at 850nm wave band, red sudden and violent phenomenon is relatively more serious, and night, light filling effect was better; And at 940nm wave band, without red sudden and violent phenomenon, night, light filling effect was relatively general.But the fill light system that the polynary input provided in correlation technique, the control system of polynary output cannot adapt for different user's scene settings, thus, is difficult to meet the demand of user to different scene.
For above-mentioned problem, at present effective solution is not yet proposed.
Utility model content
The utility model embodiment provides a kind of light filling video camera, control device, light filling device and the control system for light filling, at least to solve the polynary input provided in correlation technique, the technical problem of light filling wave band that the control system of polynary output cannot adapt for different user's scene settings.
According to an aspect of the utility model embodiment, provide a kind of light filling video camera, comprising:
Acousto-optic conversion device, for by first signal of telecommunication by ambient brightness data transaction and export second signal of telecommunication changed by voice data to control device; Control device, is connected with acousto-optic conversion device, for receiving first signal of telecommunication and second signal of telecommunication, generates the first control command or the second control command according to first signal of telecommunication and second signal of telecommunication, controls light filling device; Light filling device, is connected with control device, for opening light filling wave band to be enabled under the control of control device.
Further, acousto-optic conversion device comprises: electro-optical pickoff part, is connected with control device, for the ambient brightness collected data are converted to first signal of telecommunication; Acoustic-electric formula senser element, is connected with control device, for the voice data collected is converted to second signal of telecommunication.
Further, acousto-optic conversion device comprises: acousto-optic integrated formula senser element, is connected with control device, for the ambient brightness collected data are converted to first signal of telecommunication, and/or, for the voice data collected is converted to second signal of telecommunication.
Further, control device, for being low-light (level) value according to first signal of telecommunication and second signal of telecommunication is non-voice voice, generates the first control command; Or, be low-light (level) value according to first signal of telecommunication and second signal of telecommunication is voice voice, generate the second control command.
Further, light filling device comprises: first band light filling element, is connected with control device, carries out light filling process for opening first band according to the first control command; Second band light filling element, is connected with control device, carries out light filling process for opening second band according to the second control command.
Further, light filling video camera also comprises: camera lens, is connected with acousto-optic conversion device, for exporting the ambient brightness collected data and voice data to acousto-optic conversion device.
According to the another aspect of the utility model embodiment, additionally provide a kind of control device, comprising:
Input, for receive that acousto-optic conversion device exports by first signal of telecommunication of ambient brightness data transaction and second signal of telecommunication changed by voice data; Processor, is connected with input, for receiving first signal of telecommunication and second signal of telecommunication, generates the first control command or the second control command according to first signal of telecommunication and second signal of telecommunication; Output, is connected with processor, for exporting the control command corresponding with light filling wave band to be enabled to light filling device.
Further, processor, for being low-light (level) value according to first signal of telecommunication and second signal of telecommunication is non-voice voice, generates the first control command; Or, be low-light (level) value according to first signal of telecommunication and second signal of telecommunication is voice voice, generate the second control command.
According to the another aspect of the utility model embodiment, additionally provide a kind of light filling device, comprising:
Input, for receiving the control command corresponding with light filling wave band to be opened that control device exports; Switching device, is connected with input, for switching to light filling wave band according to control command; Output, is connected with switching device, carries out light filling for adopting light filling wave band.
According to the one side again of the utility model embodiment, additionally provide a kind of control system for light filling, comprising:
Above-mentioned control device, above-mentioned light filling device and acousto-optic conversion device, wherein, acousto-optic conversion device is connected with the input of control device, light filling device is connected with the output of control device, acousto-optic conversion device, for by first signal of telecommunication by ambient brightness data transaction and export second signal of telecommunication changed by voice data to control device.
In the utility model embodiment, the integrated multiband light filling device that employing can independently control, the ambient brightness data got based on acousto-optic conversion device and voice data combine the means of identification, by intelligent selection, different light filling wave bands is arranged for different application scenarioss, thus present the optical effect of optimum proportioning, and then the polynary input provided in correlation technique is provided, the technical problem of light filling wave band that the control system of polynary output cannot adapt for different user's scene settings.
Accompanying drawing explanation
Accompanying drawing described herein is used to provide further understanding of the present utility model, and form a application's part, schematic description and description of the present utility model, for explaining the utility model, is not formed improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 is the schematic diagram according to the polynary input of correlation technique, the control system of polynary output;
Fig. 2 is the structured flowchart of the light filling video camera according to the utility model embodiment;
Fig. 3 is the structured flowchart of the light filling video camera according to the utility model preferred embodiment one;
Fig. 4 is the structured flowchart of the light filling video camera according to the utility model preferred embodiment two;
Fig. 5 is the structured flowchart of the light filling video camera according to the utility model preferred embodiment three;
Fig. 6 is the structured flowchart of the light filling video camera according to the utility model preferred embodiment four;
Fig. 7 is the structured flowchart of the control device according to the utility model embodiment;
Fig. 8 is the structured flowchart of the light filling device according to the utility model embodiment.
Mark in above accompanying drawing is as follows: 10, acousto-optic conversion device; 12, control device; 14, light filling device; 16, camera lens; 20, input; 22, processor; 24, output; 30, input; 32, switching device; 34, output; 100, electro-optical pickoff part; 102, acoustic-electric formula senser element; 104, acousto-optic integrated formula senser element; 140, first band light filling element; 142, second band light filling element; .
Embodiment
The utility model scheme is understood better in order to make those skilled in the art person, below in conjunction with the accompanying drawing in the utility model embodiment, technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only the embodiment of the utility model part, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all should belong to the scope of the utility model protection.
It should be noted that, term " first ", " second " etc. in specification of the present utility model and claims and above-mentioned accompanying drawing are for distinguishing similar object, and need not be used for describing specific order or precedence.Should be appreciated that the data used like this can be exchanged in the appropriate case, so as embodiment of the present utility model described herein can with except here diagram or describe those except order implement.In addition, term " comprises " and " having " and their any distortion, intention is to cover not exclusive comprising, such as, contain those steps or unit that the process of series of steps or unit, method, system, product or equipment is not necessarily limited to clearly list, but can comprise clearly do not list or for intrinsic other step of these processes, method, product or equipment or unit.
Fig. 2 is the structured flowchart of the light filling video camera according to the utility model embodiment.As shown in Figure 2, this light filling video camera can comprise: acousto-optic conversion device 10, for by first signal of telecommunication by ambient brightness data transaction and export second signal of telecommunication changed by voice data to control device 12; Control device 12, is connected with acousto-optic conversion device 10, for receiving first signal of telecommunication and second signal of telecommunication, generates the first control command or the second control command according to first signal of telecommunication and second signal of telecommunication, controls light filling device 14; Light filling device 14, is connected with control device 12, for opening light filling wave band to be enabled under the control of control device 12.
The polynary input provided in correlation technique, the light filling wave band that the control system of polynary output cannot adapt for different user's scene settings, adopt light filling video camera as shown in Figure 2, be integrated with the multiband light filling device that can independently control, the ambient brightness data got based on acousto-optic conversion device and voice data combine the means of identification, by intelligent selection, different light filling wave bands is arranged for different application scenarioss, thus present the optical effect of optimum proportioning, and then the polynary input provided in correlation technique is provided, the technical problem of the light filling wave band that the control system of polynary output cannot adapt for different user's scene settings.
In a preferred embodiment, table 1 is at different application scene and the table of comparisons adopting different light filling wave band according to of the present utility model.As shown in table 1, can provide for different scene the optical system configurations demand more suiting scene.
Table 1
Wherein, above-mentioned nurse pattern refers to the crowd for not possessing self care ability, adopts more hidden 940nm wave band, can reduce light pollution, avoid the passive injury of this part crowd by setting fill light system.Above-mentioned monitoring mode is then for the ease of vision viewing clearly, so adopt the wave band light filling of 850nm, although the red quick-fried phenomenon of this wave band is obvious, imaging effect is better, can see farther, clearer.
Need specification; this preferred implementation is only described for the wave band light filling of the wave band light filling of 850nm and 940nm; it does not form improper restriction of the present utility model, and the light-supplementing system of other wave bands that can select is also within protection range of the present utility model.
Preferably, Fig. 3 is the structured flowchart of the light filling video camera according to the utility model preferred embodiment one.As shown in Figure 3, above-mentioned acousto-optic conversion device 10 can comprise: electro-optical pickoff part 100, be connected with control device 12, for the ambient brightness collected data (i.e. above-mentioned bright ring border or dark situation) are converted to first signal of telecommunication, namely the luminous intensity in environment is detected, and the light intensity detected is converted into the signal of telecommunication, then send to control device; Acoustic-electric formula senser element 102, be connected with control device 12, for the voice data collected (such as: article drop ground or baby crying) is converted to second signal of telecommunication, namely the sound in environment is detected, and the sound detected is converted into the signal of telecommunication, then send to control device.
Preferably, Fig. 4 is the structured flowchart of the light filling video camera according to the utility model preferred embodiment two.As shown in Figure 4, above-mentioned acousto-optic conversion device 10 can comprise: acousto-optic integrated formula senser element 104, be connected with control device 12, for the ambient brightness collected data (i.e. above-mentioned bright ring border or dark situation) are converted to first signal of telecommunication, and/or, for the voice data collected (such as: article drop ground or baby crying) is converted to second signal of telecommunication.
It should be noted that, an electro-optical pickoff part both can being set in above-mentioned acousto-optic conversion device respectively for ambient brightness data being converted to first signal of telecommunication and an acoustic-electric formula senser element is used for the voice data collected to be converted to second signal of telecommunication, also electro-optical pickoff part and acoustic-electric formula senser element can being integrated into an acousto-optic integrated formula senser element.
In preferred implementation process, control device 12, during for being less than predetermined threshold value according to the first signal of telecommunication determination illuminance and determining that second signal of telecommunication is non-voice voice, the first control command is exported to light filling device, such as: if control device falls to the non-voice voice such as ground for dark situation according to there are article under current the be suitable for application scenarios of the second signal of telecommunication determination light filling video camera according to current the be suitable for application scenarios of the first signal of telecommunication determination light filling video camera, then can export the first control command to light filling device, namely controlling light filling device adopts 850nm wave band to carry out light filling, or, when being less than predetermined threshold value according to the first signal of telecommunication determination illuminance and determining that second signal of telecommunication is voice voice, the second control command is exported to light filling device, such as: if control device exists the voice voice such as baby crying for dark situation according under current the be suitable for application scenarios of the second signal of telecommunication determination light filling video camera according to current the be suitable for application scenarios of the first signal of telecommunication determination light filling video camera, then can export the second control command to light filling device, namely control light filling device and adopt 940nm wave band to carry out light filling.
Preferably, Fig. 5 is the structured flowchart of the light filling video camera according to the utility model preferred embodiment three.As shown in Figure 5, light filling device 14 can comprise: first band light filling element 140, be connected with control device 12, light filling process is carried out for opening first band according to the first control command, such as: if control device falls to the non-voice voice such as ground for dark situation (i.e. low-light (level) signal) according to there are article under current the be suitable for application scenarios of the second signal of telecommunication determination light filling video camera according to current the be suitable for application scenarios of the first signal of telecommunication determination light filling video camera, then can export the first control command to light filling device, namely controlling light filling device adopts 850nm wave band to carry out light filling, now, light filling device intelligence can switch to 850nm wave band in alternative multiple wave bands, and then unlatching 850nm light-supplementing system carries out light filling, second band light filling element 142, be connected with control device 12, light filling process is carried out for opening second band according to the second control command, such as: if control device exists the voice voice such as baby crying for dark situation (i.e. low-light (level) signal) according under current the be suitable for application scenarios of the second signal of telecommunication determination light filling video camera according to current the be suitable for application scenarios of the first signal of telecommunication determination light filling video camera, then can export the second control command to light filling device, namely controlling light filling device adopts 940nm wave band to carry out light filling, now, light filling device intelligence can switch to 940nm wave band in alternative multiple wave bands, and then unlatching 940nm light-supplementing system carries out light filling.
Preferably, Fig. 6 is the structured flowchart of the light filling video camera according to the utility model preferred embodiment four.As shown in Figure 6, above-mentioned light filling video camera can also comprise: camera lens 16, is connected with acousto-optic conversion device 10, for exporting the ambient brightness collected data and voice data to acousto-optic conversion device 10.
In preferred implementation process, ambient brightness data and voice data can be gathered by the camera lens of light filling video camera.Type about camera lens is not specifically limited in the utility model, it can select fixed light ring type camera lens, manual iris formula camera lens and auto iris formula camera lens, also can selection standard camera lens, wide-angle lens and telephoto lens, certainly can also select fixed focal length formula camera lens, telescoping lens.
Fig. 7 is the structured flowchart of the control device according to the utility model embodiment.As shown in Figure 7, this control device can comprise: input 20, for receive that acousto-optic conversion device exports by first signal of telecommunication of ambient brightness data transaction and second signal of telecommunication changed by voice data; Processor 22, is connected with input 20, for controlling light filling device light filling wave band to be opened according to the analysis result of first signal of telecommunication and second signal of telecommunication; Output 24, is connected with processor 22, for exporting the control command corresponding with light filling wave band to light filling device.
In preferred implementation process, processor 22, for being less than predetermined threshold value according to the first signal of telecommunication determination illuminance and being defined as non-voice voice according to second signal of telecommunication, exports the first control command to light filling device; Or, be less than predetermined threshold value according to the first signal of telecommunication determination illuminance and be defined as voice voice according to second signal of telecommunication, exporting the second control command to light filling device.Namely have employed multielement input judgment mode, the configuration (such as: the image pickup mode that video camera adopts) of existing client, the ambient brightness information that optical unit again in acousto-optic switching device gathers, the voice data also having the acoustic elements in acousto-optic conversion device to gather, exports the processing mode of light-supplementing system after carrying out comprehensive assessment.
Fig. 8 is the structured flowchart of the light filling device according to the utility model embodiment.As shown in Figure 8, this light filling device can comprise: input 30, for receiving the control command corresponding with light filling wave band to be opened that control device exports; Switching device 32, is connected with input 30, for switching to light filling wave band according to control command; Output 34, is connected with switching device 32, carries out light filling for adopting light filling wave band.
Namely change at the current applicable application scenarios of light filling device, when not needing artificial intervention, the adjustment of the light filling band setting of self carrying out based on scene changes can be realized, and then according to the demand of different scene, both can adopt the 940nm light filling wave band that light filling effect is general.Also can select to adopt light filling effect preferably 850nm light filling wave band.
In addition, as the utility model preferred embodiment, additionally provide a kind of control system for light filling, this control system being used for light filling can comprise: above-mentioned control device 12, above-mentioned light filling device 14 and acousto-optic conversion device 10, wherein, acousto-optic conversion device 10 is connected with the input of control device 12, light filling device 14 is connected with the output of control device 12, acousto-optic conversion device 10, for by first signal of telecommunication by ambient brightness data transaction and export second signal of telecommunication changed by voice data to control device 12.
Ambient brightness data can be converted to first signal of telecommunication based on acousto-optic conversion device and voice data is converted to second signal of telecommunication by the control system of the light filling provided by the utility model embodiment, comparatively intactly can identify different user's scenes, and then the suitable light-supplementing system be convenient to for different user scene settings, thus the user demand of different scene can be met better.
Above-mentioned the utility model embodiment sequence number, just to describing, does not represent the quality of embodiment.
In above-described embodiment of the present utility model, the description of each embodiment is all emphasized particularly on different fields, in certain embodiment, there is no the part described in detail, can see the associated description of other embodiments.
In several embodiments that the application provides, should be understood that, disclosed technology contents, the mode by other realizes.Wherein, device embodiment described above is only schematic, the such as division of described unit, can be that a kind of logic function divides, actual can have other dividing mode when realizing, such as multiple unit or assembly can in conjunction with or another system can be integrated into, or some features can be ignored, or do not perform.Another point, shown or discussed coupling each other or direct-coupling or communication connection can be by some interfaces, and the indirect coupling of unit or module or communication connection can be electrical or other form.
The described unit illustrated as separating component or can may not be and physically separates, and the parts as unit display can be or may not be physical location, namely can be positioned at a place, or also can be distributed on multiple unit.Some or all of unit wherein can be selected according to the actual needs to realize the object of the present embodiment scheme.
In addition, each functional unit in each embodiment of the utility model can be integrated in a processing unit, also can be that the independent physics of unit exists, also can two or more unit in a unit integrated.Above-mentioned integrated unit both can adopt the form of hardware to realize, and the form of SFU software functional unit also can be adopted to realize.
If described integrated unit using the form of SFU software functional unit realize and as independently production marketing or use time, can be stored in a computer read/write memory medium.Based on such understanding, the part that the technical solution of the utility model contributes to prior art in essence in other words or all or part of of this technical scheme can embody with the form of software product, this computer software product is stored in a storage medium, comprises all or part of step of some instructions in order to make a computer equipment (can be personal computer, server or the network equipment etc.) perform method described in each embodiment of the utility model.And aforesaid storage medium comprises: USB flash disk, read-only memory (ROM, Read-OnlyMemory), random access memory (RAM, RandomAccessMemory), portable hard drive, magnetic disc or CD etc. various can be program code stored medium.
The above is only preferred implementation of the present utility model; it should be pointed out that for those skilled in the art, under the prerequisite not departing from the utility model principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection range of the present utility model.
Claims (10)
1. a light filling video camera, is characterized in that, comprising:
Acousto-optic conversion device, for by first signal of telecommunication by ambient brightness data transaction and export second signal of telecommunication changed by voice data to control device;
Described control device, is connected with described acousto-optic conversion device, for receiving described first signal of telecommunication and described second signal of telecommunication, generates the first control command or the second control command according to described first signal of telecommunication and described second signal of telecommunication, controls light filling device;
Described light filling device, is connected with described control device, for opening light filling wave band to be enabled under the control of described control device.
2. light filling video camera according to claim 1, is characterized in that, described acousto-optic conversion device comprises:
Electro-optical pickoff part, is connected with described control device, for the described ambient brightness data collected are converted to described first signal of telecommunication;
Acoustic-electric formula senser element, is connected with described control device, for the described voice data collected is converted to described second signal of telecommunication.
3. light filling video camera according to claim 1, is characterized in that, described acousto-optic conversion device comprises:
Acousto-optic integrated formula senser element, is connected with described control device, for the described ambient brightness data collected are converted to described first signal of telecommunication, and/or, for the described voice data collected is converted to described second signal of telecommunication.
4. light filling video camera according to claim 1, is characterized in that, described control device, for being low-light (level) value according to described first signal of telecommunication and described second signal of telecommunication is non-voice voice, generates the first control command; Or, be low-light (level) value according to described first signal of telecommunication and described second signal of telecommunication is voice voice, generate described second control command.
5. light filling video camera according to claim 4, is characterized in that, described light filling device comprises:
First band light filling element, is connected with described control device, carries out light filling process for opening first band according to described first control command;
Second band light filling element, is connected with described control device, carries out light filling process for opening second band according to described second control command.
6. light filling video camera according to any one of claim 1 to 5, is characterized in that, described light filling video camera also comprises:
Camera lens, is connected with described acousto-optic conversion device, for exporting the described ambient brightness data collected and described voice data to described acousto-optic conversion device.
7. a control device, is characterized in that, comprising:
Input, for receive that acousto-optic conversion device exports by first signal of telecommunication of ambient brightness data transaction and second signal of telecommunication changed by voice data;
Processor, is connected with described input, for receiving described first signal of telecommunication and described second signal of telecommunication, generates the first control command or the second control command according to described first signal of telecommunication and described second signal of telecommunication;
Output, is connected with described processor, for exporting the control command corresponding with light filling wave band to be enabled to described light filling device.
8. control device according to claim 7, is characterized in that, described processor, for being low-light (level) value according to described first signal of telecommunication and described second signal of telecommunication is non-voice voice, generates the first control command; Or, be low-light (level) value according to described first signal of telecommunication and described second signal of telecommunication is voice voice, generate described second control command.
9. a light filling device, is characterized in that, comprising:
Input, for receiving the control command corresponding with light filling wave band to be opened that control device exports;
Switching device, is connected with described input, for switching to described light filling wave band according to described control command;
Output, is connected with described switching device, carries out light filling for adopting described light filling wave band.
10. the control system for light filling, it is characterized in that, comprise: the control device according to any one of claim 7 to 8, light filling device according to claim 9 and acousto-optic conversion device, wherein, described acousto-optic conversion device is connected with the input of described control device, described light filling device is connected with the output of described control device, described acousto-optic conversion device, for by first signal of telecommunication by ambient brightness data transaction and export second signal of telecommunication changed by voice data to described control device.
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| CN201520772846.7U CN205029744U (en) | 2015-09-30 | 2015-09-30 | Light filling camera, control device , light filling device and be used for control system of light filling |
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| CN201520772846.7U CN205029744U (en) | 2015-09-30 | 2015-09-30 | Light filling camera, control device , light filling device and be used for control system of light filling |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105721785A (en) * | 2016-03-23 | 2016-06-29 | 浙江大学 | Camera-shooting-preventing interference equipment |
| CN106444226A (en) * | 2016-08-30 | 2017-02-22 | 陈鑫 | Intelligent dimmable infrared hunting camera and method of using same |
| WO2020043141A1 (en) * | 2018-08-28 | 2020-03-05 | 杭州海康威视数字技术股份有限公司 | Video camera |
| CN111641789A (en) * | 2020-06-11 | 2020-09-08 | 云从科技集团股份有限公司 | Multi-camera system light supplement control method, device, equipment and medium |
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2015
- 2015-09-30 CN CN201520772846.7U patent/CN205029744U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105721785A (en) * | 2016-03-23 | 2016-06-29 | 浙江大学 | Camera-shooting-preventing interference equipment |
| CN106444226A (en) * | 2016-08-30 | 2017-02-22 | 陈鑫 | Intelligent dimmable infrared hunting camera and method of using same |
| WO2020043141A1 (en) * | 2018-08-28 | 2020-03-05 | 杭州海康威视数字技术股份有限公司 | Video camera |
| CN111641789A (en) * | 2020-06-11 | 2020-09-08 | 云从科技集团股份有限公司 | Multi-camera system light supplement control method, device, equipment and medium |
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