CN104079831A - Camera with multiple paths of flash synchronizing signals - Google Patents
Camera with multiple paths of flash synchronizing signals Download PDFInfo
- Publication number
- CN104079831A CN104079831A CN201410307842.1A CN201410307842A CN104079831A CN 104079831 A CN104079831 A CN 104079831A CN 201410307842 A CN201410307842 A CN 201410307842A CN 104079831 A CN104079831 A CN 104079831A
- Authority
- CN
- China
- Prior art keywords
- camera
- signal
- synchronizing signal
- synchronization signal
- flash synchronization
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Landscapes
- Stroboscope Apparatuses (AREA)
- Studio Devices (AREA)
Abstract
The invention discloses a camera with multiple paths of flash synchronizing signals. The camera comprises a camera body and a camera interface which are connected with each other. The camera interface comprises a synchronizing signal generating module, an input module and a power module, the power module provides power for the synchronizing signal generating module and the input module, the synchronizing signal generating module receives the pulse flash synchronizing signals of an image sensor chip, the synchronizing signals with different effective sequences are generated according to input information received by the input module, and a plurality of external flash lamps are controlled to be turned on or off. A user can define the execution sequence of the flash lamps according to actual condition, functions are integrated in the camera, and extra space is not occupied in the application process.
Description
Technical field
The present invention relates to a kind of camera with multichannel flash synchronization signal.
Background technology
For the existing camera for industries such as industry, traffic, medical treatment, scientific research, business, family expenses on market, comprise smart camera, conventionally there is flash synchronization output signal, this signal is for controlling outside photoflash lamp, make photoflash lamp and camera synchronization, at needs camera image sensor chip, carry out when integration or camera are taken pictures just opening photoflash lamp.Had this signal, photoflash lamp can Chang Liang, thereby has both reduced power consumption, also can reduce the interference of the high light of photoflash lamp to human eye.
But existing industrial camera only has a flash synchronization signal, and its shortcoming is to control one or one group of photoflash lamp or light source.And in the practical application of industrial camera/smart camera, there will be the situation that needs timesharing to control a plurality of photoflash lamp/light sources.For example, when current camera is taken pictures, need to open photoflash lamp A, while taking pictures, need to open photoflash lamp B next time, then need again to open photoflash lamp A next time, so repeatedly.In this case, a flash synchronization signal just cannot meet this demand.
For example, in industrial automation detects, need to all to carry out vision-based detection to the surface of cylindrical component and profile.For surface defects detection, light source need to irradiate from the front of part, and camera and light source are in the same side of part; For profile, detect, light source need to irradiate from the back side of part, and camera and light source are at the not homonymy (being back light source technique) of part.If two light sources are opened simultaneously, they can interfere with each other.Due to all angles of part all will be detected, conventional way is to make part automatic rotation, and angle of the every rotation of part (for example 30 degree), carries out polishing, takes pictures with front light source and backlight respectively.If camera only has a road flash synchronization output, the control of light source can only replace control to two light sources from outside equipment (as PLC).The shortcoming of this method is that real-time is poor, cost is high, system debug is inconvenient.If camera itself just possess two-way can timesharing the flash synchronization signal of output, so just not needing outside unnecessary equipment just can realize two-way light source controls respectively, greatly shortened system operating time, improved the operating efficiency of system, and system cost is low, debugging convenient.
Summary of the invention
The present invention, in order to address the above problem, has proposed a kind of camera with multichannel flash synchronization signal, and this device adopts multichannel flash synchronization signal to realize the control of multichannel photoflash lamp; Multichannel flash synchronization signal can be according to the order of user's self-defined its execution of actual demand simultaneously.
To achieve these goals, the present invention adopts following technical scheme:
A kind of camera with multichannel flash synchronization signal, the camera body and the camera interface that comprise connection, wherein, described camera interface comprises synchronizing signal generation module, input module and power module, power module provides power supply for synchronizing signal generation module, input module, synchronizing signal generation module receives the pulse flash synchronizing signal of camera image sensor chip, according to the input message of specifying in advance set and reset signal that comprises of input module reception, generation has the Multi-path synchronous signal of different effective orders, controls the open and close of outside a plurality of photoflash lamps; Described pulse flash synchronizing signal is high level or the low level pulse signal of chip output, and its valid interval is consistent with the effective exposure time of chip.
Described synchronizing signal generation module, comprises the trigger, decoder and the gate circuit that connect successively, and trigger receives the pulse flash synchronizing signal of image sensor chip, by the logical transition of decoder and gate circuit, forms multichannel flash synchronization signal.
Described synchronizing signal generation module, comprises counter and controller, and counter connects controller, and counter received pulse flash synchronization signal, through analysis, the processing of controller, output multi-channel flash synchronization signal.
Described controller includes but not limited to single-chip microcomputer, ARM and dsp processor.
Described synchronizing signal generation module, comprises counter and comparison circuit, and counter connects comparison circuit, and counter received pulse flash synchronization signal, through conversion, the processing of comparison circuit, output multi-channel flash synchronization signal.
Described comparison circuit includes but not limited to CPLD, FPGA and discrete circuit.
Described synchronizing signal generation module receives asserts signal, reset signal or clock signal.
The Multi-path synchronous signal of described different effective orders is window and the on all four signal of exposure sensor effective time.
The Multi-path synchronous signal of described different effective orders be effective time window be shorter than the signal of exposure sensor time.
The Multi-path synchronous signal of described different effective orders be effective time window be longer than the signal of exposure sensor time.
Described effective time, window must have overlapping part in time with exposure sensor.
Beneficial effect of the present invention is:
(1) timesharing that can realize multichannel photoflash lamp/light source is controlled;
(2) user can be according to the execution sequence of the self-defined multichannel photoflash lamp of actual conditions;
(3) function is integrated in camera inside, does not account for additional space during application, installs simply, is easy to application.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is camera synchronization signaling interface schematic diagram of the present invention;
Fig. 3 is that flash synchronization signal of the present invention generates schematic diagram;
Fig. 4 is flash synchronization signal flow graph of the present invention;
Fig. 5 is camera synchronization signal sequence illustrated example of the present invention one schematic diagram;
Fig. 6 is camera synchronization signal sequence illustrated example of the present invention two schematic diagrames;
Fig. 7 is camera synchronization signal sequence illustrated example of the present invention three schematic diagrames;
Fig. 8 is camera synchronization signal sequence illustrated example of the present invention one schematic diagram;
Fig. 9 is synchronizing signal generation module embodiment mono-structural circuit figure of the present invention;
Figure 10 is synchronizing signal generation module embodiment bis-structural circuit figure of the present invention;
Figure 11 is synchronizing signal generation module embodiment tri-structural circuit figure of the present invention;
Figure 12 is Application Example schematic diagram of the present invention;
Figure 13 is the front light source design sketch of Application Example of the present invention;
Figure 14 is the back side light source design sketch of Application Example of the present invention.
Embodiment:
Below in conjunction with accompanying drawing and embodiment, the invention will be further described.
As shown in Figure 1, a kind of camera with multichannel flash synchronization signal, the camera body and the camera interface that comprise connection, wherein, described camera interface comprises synchronizing signal generation module, input module and power module, power module provides power supply for synchronizing signal generation module, input module, synchronizing signal generation module receives the pulse flash synchronizing signal of image sensor chip, the input message receiving according to input module, generation has the Multi-path synchronous signal of different effective orders, controls the open and close of outside a plurality of photoflash lamps.
Here camera is divided into two parts, camera body and camera interface part; Wherein, camera flash synchronizing signal belongs to a part for camera interface, and the mode by connector can output to external equipment, for controlling various photoflash lamps, as LED light source, mercury lamp etc.
Camera interface part can comprise flash synchronization signal, triggering signal, power supply signal etc.As shown in Figure 2, the flash synchronization signal of camera interface part can comprise multichannel, and this figure is 4 tunnels.
Fig. 3 is flash synchronization signal generating portion, and wherein flash synchronization signal generation module, according to input message, is determined the effective order of Multi-path synchronous signal.The core devices of this module can be processor, DSP, FPGA, CPLD etc.The embedded program of this module can be by user's online updating.State and built-up sequence that namely user can self-defined synchronizing signal.
By the different conditions of Multi-path synchronous signal, can there is multiple combination output.From flow chart Fig. 4, can find out, if there are four kinds of assembled state, four kinds of combinations can be carried out sequentially.
Fig. 5 has provided a kind of built-up sequence of 4 tunnel synchronizing signal outputs.When the first image frame grabber, synchronizing signal 1 is effective, and other synchronizing signal is invalid; When the second image frame grabber, synchronizing signal 2 is effective, and other synchronizing signal is invalid; When the 3rd image frame grabber, synchronizing signal 3 is effective, and other synchronizing signal is invalid; When the 4th image frame grabber, synchronizing signal 4 is effective, and other synchronizing signal is invalid; The like.
Camera for overall Exposure mode, above-mentioned so-called synchronizing signal is effective, can refer to effective time window and exposure sensor in full accord, can refer to that effective time, window was shorter than the exposure sensor time, also can refer to that effective time, window was longer than the exposure sensor time.But effective time, window must have overlapping part in time with exposure sensor.
For the camera with the curtain formula exposure of Global reset, above-mentioned so-called synchronizing signal is effective, can refer to effective time window and transducer valid pixel expose in full accord simultaneously, can refer to that effective time, window was shorter than time for exposure transducer valid pixel while, also can refer to that effective time, window was longer than time for exposure transducer valid pixel while.But window must expose and have in time overlapping part with transducer valid pixel effective time simultaneously.
For the camera of curtain formula Exposure mode, above-mentioned so-called synchronizing signal is effective, can refer to that effective time, window was not shorter than the time that transducer valid pixel exposes; Also can refer to effective time window some overlaps with time of transducer valid pixel exposure.
Embodiment mono-:
Two-way synchronizing signal
In this embodiment, two-way signal alternately effectively, i.e. time-sharing work completely, as shown in Figure 6.
A kind of camera with multichannel flash synchronization signal, the camera body and the camera interface that comprise connection, wherein, described camera interface comprises synchronizing signal generation module, input module and power module, power module provides power supply for synchronizing signal generation module, input module, and synchronizing signal generation module receives the pulse flash synchronizing signal of image sensor chip, the input message receiving according to input module, generation replaces effective two-way synchronizing signal, controls the open and close of outside a plurality of photoflash lamps.
Described synchronizing signal generation module, comprises the trigger, decoder and the gate circuit that connect successively, and trigger receives the pulse flash synchronizing signal of image sensor chip, by the logical transition of decoder and gate circuit, generates and replaces effective two-way synchronizing signal.
Described synchronizing signal generation module, comprises counter and controller, and counter connects controller, counter received pulse flash synchronization signal, and through analysis, the processing of controller, output replaces effective two-way synchronizing signal.
Described controller includes but not limited to single-chip microcomputer, ARM and dsp processor.
Described synchronizing signal generation module, comprises counter and comparison circuit, and counter connects comparison circuit, counter received pulse flash synchronization signal, and through conversion, the processing of comparison circuit, output replaces effective two-way synchronizing signal.
Described comparison circuit includes but not limited to CPLD, FPGA and discrete circuit.
Described synchronizing signal generation module receives asserts signal, reset signal or clock signal.
Embodiment bis-, two-way synchronizing signal
In this embodiment, during the first image frame grabber, signal 1 is effective; During the second image frame grabber, signal 1 and signal 2 are all effective; During the 3rd image frame grabber, signal 1 is effective; The like.Sequential chart as shown in Figure 7.
A kind of camera with multichannel flash synchronization signal, the camera body and the camera interface that comprise connection, wherein, described camera interface comprises synchronizing signal generation module, input module and power module, power module provides power supply for synchronizing signal generation module, input module, and synchronizing signal generation module receives the pulse flash synchronizing signal of image sensor chip, the input message receiving according to input module, generate two-way synchronizing signal as shown in Figure 7, control the open and close of outside a plurality of photoflash lamps.
Described synchronizing signal generation module, comprises the trigger, decoder and the gate circuit that connect successively, and trigger receives the pulse flash synchronizing signal of image sensor chip, by the logical transition of decoder and gate circuit, generates two-way synchronizing signal as shown in Figure 7.
Described synchronizing signal generation module, comprises counter and controller, and counter connects controller, counter received pulse flash synchronization signal, and through analysis, the processing of controller, output two-way synchronizing signal as shown in Figure 7.
Described controller includes but not limited to single-chip microcomputer, ARM and dsp processor.
Described synchronizing signal generation module, comprises counter and comparison circuit, and counter connects comparison circuit, counter received pulse flash synchronization signal, and through conversion, the processing of comparison circuit, output two-way synchronizing signal as shown in Figure 7.
Described comparison circuit includes but not limited to CPLD, FPGA and discrete circuit.
Described synchronizing signal generation module receives asserts signal, reset signal or clock signal.
Embodiment tri-, two-way synchronizing signal
In this embodiment, during the first image frame grabber, signal 1 is effective; During the second image frame grabber, signal 1 and signal 2 are all effective; During the 3rd image frame grabber, signal 2 is effective; The like.Sequential chart as shown in Figure 8.
A kind of camera with multichannel flash synchronization signal, the camera body and the camera interface that comprise connection, wherein, described camera interface comprises synchronizing signal generation module, input module and power module, power module provides power supply for synchronizing signal generation module, input module, and synchronizing signal generation module receives the pulse flash synchronizing signal of image sensor chip, the input message receiving according to input module, generate two-way synchronizing signal as shown in Figure 8, control the open and close of outside a plurality of photoflash lamps.
Described synchronizing signal generation module, comprises the trigger, decoder and the gate circuit that connect successively, and trigger receives the pulse flash synchronizing signal of image sensor chip, by the logical transition of decoder and gate circuit, generates two-way synchronizing signal as shown in Figure 8.
Described synchronizing signal generation module, comprises counter and controller, and counter connects controller, counter received pulse flash synchronization signal, and through analysis, the processing of controller, output two-way synchronizing signal as shown in Figure 8.
Described controller includes but not limited to single-chip microcomputer, ARM and dsp processor.
Described synchronizing signal generation module, comprises counter and comparison circuit, and counter connects comparison circuit, counter received pulse flash synchronization signal, and through conversion, the processing of comparison circuit, output two-way synchronizing signal as shown in Figure 8.
Described comparison circuit includes but not limited to CPLD, FPGA and discrete circuit.
Described synchronizing signal generation module receives asserts signal, reset signal or clock signal.
Synchronizing signal generation module embodiment:
Embodiment mono-:
As shown in Figure 9, conventionally possess the camera of overall exposure function, its image sensor chip has a pulse flash synchronization output signal.Also can be generated by camera the synchronizing signal of a similar functions.This flash synchronization signal, by synchronizing signal generative circuit, just can obtain the multichannel flash synchronization signal needing.This circuit comprises trigger, decoder and gate circuit.This circuit can be realized with CPLD, FPGA, discrete circuit.
Eligible, synchronizing signal generative circuit can receive asserts signal;
Eligible, synchronizing signal generative circuit can receive reset signal;
Eligible, synchronizing signal generative circuit can receive clock signal.
Embodiment bis-:
As shown in figure 10, the circuit such as usage counter, comparator can be realized the function that multichannel flash synchronization signal generates, and this circuit can be realized with CPLD, FPGA, discrete circuit.
Eligible, synchronizing signal generative circuit can receive asserts signal;
Eligible, synchronizing signal generative circuit can receive reset signal;
Eligible, synchronizing signal generative circuit can receive clock signal.
Embodiment tri-:
As shown in figure 11, with processors such as single-chip microcomputer, ARM, DSP etc., can realize equally the function that multichannel flash synchronization signal generates, as long as realize with software in processor inside.
Eligible, synchronizing signal generative circuit can receive asserts signal;
Eligible, synchronizing signal generative circuit can receive reset signal;
Eligible, synchronizing signal generative circuit can receive clock signal.
Application implementation case
Embodiment mono-:
In industrial automation, detect in case, have a kind of similar columniform part, as industrial sensor.As shown in figure 12, transducer divides and is comprised of three parts from profile, is respectively threaded portion, mid portion and wiring part.Threaded portion is for being fixed on other workpiece or equipment transducer; Mid portion connecting thread part and wiring part; Wiring is partly for connecting out the signal of telecommunication.Needing the content detecting is that whether threaded portion thread is smooth, whether mid portion is smooth near the shoulder of threaded portion, if any one position out-of-flatness that will detect, this part is defective item.
Because rejected region may appear at any one angle, in the present embodiment, by a rotating mechanism, by transducer, often rotate to an angle, as 60 degree, to stop, the detection of taking pictures, then continues rotation, until the whole detections of 360 degree are complete.But for the detection at two positions, need different light sources: the detection of thread part adopts front light source, as shown in figure 13, the detection of the shoulder of mid portion, adopts backlight to design sketch, and design sketch as shown in figure 14.Two kinds of light sources need timesharing to open, otherwise can interfere with each other.
In the present embodiment, camera has two flash synchronization output signals, can control respectively front light source and backlight.When thread is partly taken pictures, connect the effective output of flash synchronization output signal of front light source; When shoulder is taken pictures, the flash synchronization output signal that connects backlight has effective output.Can reach like this with most effective, cost is minimum, use the simplest mode to realize the vision-based detection at two positions.
Although above-mentioned, by reference to the accompanying drawings the specific embodiment of the present invention is described; but be not limiting the scope of the invention; one of ordinary skill in the art should be understood that; on the basis of technical scheme of the present invention, those skilled in the art do not need to pay various modifications that creative work can make or distortion still in protection scope of the present invention.
Claims (10)
1. a camera with multichannel flash synchronization signal, it is characterized in that: the camera body and the camera interface that comprise connection, wherein, described camera interface comprises synchronizing signal generation module, input module and power module, power module is synchronizing signal generation module, input module provides power supply, synchronizing signal generation module receives the pulse flash synchronizing signal of camera image sensor chip, according to the input message of specifying in advance set and reset signal that comprises of input module reception, generation has the Multi-path synchronous signal of different effective orders, control opening of outside a plurality of photoflash lamps, close, described pulse flash synchronizing signal is high level or the low level pulse signal of chip output, and its valid interval is consistent with the effective exposure time of chip.
2. a kind of camera with multichannel flash synchronization signal as claimed in claim 1, it is characterized in that: described synchronizing signal generation module, comprise the trigger, decoder and the gate circuit that connect successively, trigger receives the pulse flash synchronizing signal of image sensor chip, by the logical transition of decoder and gate circuit, form multichannel flash synchronization signal.
3. a kind of camera with multichannel flash synchronization signal as claimed in claim 1, it is characterized in that: described synchronizing signal generation module, comprise counter and controller, counter connects controller, counter received pulse flash synchronization signal, through analysis, the processing of controller, output multi-channel flash synchronization signal.
4. a kind of camera with multichannel flash synchronization signal as claimed in claim 3, is characterized in that: described controller includes but not limited to single-chip microcomputer, ARM and dsp processor.
5. a kind of camera with multichannel flash synchronization signal as claimed in claim 1, it is characterized in that: described synchronizing signal generation module, comprise counter and comparison circuit, counter connects comparison circuit, counter received pulse flash synchronization signal, through conversion, the processing of comparison circuit, output multi-channel flash synchronization signal.
6. a kind of camera with multichannel flash synchronization signal as claimed in claim 5, is characterized in that: described comparison circuit includes but not limited to CPLD, FPGA and discrete circuit.
7. a kind of camera with multichannel flash synchronization signal as claimed in claim 1, is characterized in that: described synchronizing signal generation module receives asserts signal, reset signal or clock signal.
8. a kind of camera with multichannel flash synchronization signal as claimed in claim 1, it is characterized in that: the Multi-path synchronous signal of described different effective orders is window and the on all four signal of exposure sensor effective time, described effective time, window must have overlapping part in time with exposure sensor.
9. a kind of camera with multichannel flash synchronization signal as claimed in claim 1, it is characterized in that: the Multi-path synchronous signal of described different effective orders be effective time window be shorter than the signal of exposure sensor time, described effective time, window must have overlapping part in time with exposure sensor.
10. a kind of camera with multichannel flash synchronization signal as claimed in claim 1, it is characterized in that: the Multi-path synchronous signal of described different effective orders be effective time window be longer than the signal of exposure sensor time, described effective time, window must have overlapping part in time with exposure sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410307842.1A CN104079831B (en) | 2014-06-30 | 2014-06-30 | A kind of camera with multichannel flash synchronization signal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410307842.1A CN104079831B (en) | 2014-06-30 | 2014-06-30 | A kind of camera with multichannel flash synchronization signal |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104079831A true CN104079831A (en) | 2014-10-01 |
| CN104079831B CN104079831B (en) | 2017-09-12 |
Family
ID=51600850
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410307842.1A Active CN104079831B (en) | 2014-06-30 | 2014-06-30 | A kind of camera with multichannel flash synchronization signal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104079831B (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105959586A (en) * | 2016-05-25 | 2016-09-21 | 北京理工大学 | High-speed shooting flashlight enhancement device |
| CN106534671A (en) * | 2016-11-02 | 2017-03-22 | 南京大学 | 360-degree image synchronization acquisition system |
| CN108429888A (en) * | 2018-04-28 | 2018-08-21 | 维沃移动通信有限公司 | The method and mobile terminal of light filling |
| CN109688339A (en) * | 2019-01-21 | 2019-04-26 | 深圳精创视觉科技有限公司 | A kind of programmable LED light source stroboscopic controller |
| CN111327836A (en) * | 2020-03-20 | 2020-06-23 | 合肥埃科光电科技有限公司 | Camera exposure processing method and system |
| CN112584059A (en) * | 2020-12-11 | 2021-03-30 | 上海佳勒电子有限公司 | Method, device, system and storage medium for receiving, transmitting and flashing with multiple channels |
| CN113660429A (en) * | 2021-07-07 | 2021-11-16 | 深圳市劲码科技有限公司 | External Bluetooth flash lamp control method based on Bluetooth HID protocol |
Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020172225A1 (en) * | 2001-05-21 | 2002-11-21 | Oon-Sim Ang | Clock signal decoupling for synchronous operation |
| US20040240868A1 (en) * | 2003-05-30 | 2004-12-02 | Nikon Corporation | Flash control device, flash control system, master flash device, and remote flash device |
| CN1617042A (en) * | 2003-11-10 | 2005-05-18 | 致伸科技股份有限公司 | External connected flash light device |
| EP1592134A2 (en) * | 2004-04-26 | 2005-11-02 | Sony Corporation | Counter circuit, AD conversion method, AD converter, semiconductor device for detecting distribution of physical quantities, and electronic apparatus |
| JP2006201766A (en) * | 2006-01-06 | 2006-08-03 | Casio Comput Co Ltd | Imaging apparatus and its electronic flash control method |
| CN101145061A (en) * | 2007-10-11 | 2008-03-19 | 中国科学院长春光学精密机械与物理研究所 | Density disc drive device of automatic light modulation system |
| CN101509878A (en) * | 2009-03-09 | 2009-08-19 | 北京航空航天大学 | Part vision detection device |
| CN101596870A (en) * | 2009-06-23 | 2009-12-09 | 江苏大学 | Self-excitation retarder drive controller and control method thereof |
| CN102157004A (en) * | 2011-04-18 | 2011-08-17 | 东华大学 | Automatic image mosaicking method for high-accuracy image measuring apparatus of super-view field part |
| CN102819166A (en) * | 2011-06-09 | 2012-12-12 | 三星电子株式会社 | Camera |
| US20120327253A1 (en) * | 2009-08-20 | 2012-12-27 | Canon Kabushiki Kaisha | Image capturing transfer apparatus that sends a flash on/off parameter instruction for a flash unit connected to the image capturing apparatus |
| CN203203943U (en) * | 2013-04-23 | 2013-09-18 | 胡进 | On-line continuous product detecting system based on machine vision |
| CN203365889U (en) * | 2013-08-07 | 2013-12-25 | 王璐 | Camera set |
| JP2013257411A (en) * | 2012-06-12 | 2013-12-26 | Olympus Imaging Corp | Stroboscopic device and imaging apparatus |
| CN203933812U (en) * | 2014-06-30 | 2014-11-05 | 苏州吉视电子科技有限公司 | A kind of camera with multichannel flash synchronization signal |
-
2014
- 2014-06-30 CN CN201410307842.1A patent/CN104079831B/en active Active
Patent Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20020172225A1 (en) * | 2001-05-21 | 2002-11-21 | Oon-Sim Ang | Clock signal decoupling for synchronous operation |
| US20040240868A1 (en) * | 2003-05-30 | 2004-12-02 | Nikon Corporation | Flash control device, flash control system, master flash device, and remote flash device |
| CN1617042A (en) * | 2003-11-10 | 2005-05-18 | 致伸科技股份有限公司 | External connected flash light device |
| EP1592134A2 (en) * | 2004-04-26 | 2005-11-02 | Sony Corporation | Counter circuit, AD conversion method, AD converter, semiconductor device for detecting distribution of physical quantities, and electronic apparatus |
| JP2006201766A (en) * | 2006-01-06 | 2006-08-03 | Casio Comput Co Ltd | Imaging apparatus and its electronic flash control method |
| CN101145061A (en) * | 2007-10-11 | 2008-03-19 | 中国科学院长春光学精密机械与物理研究所 | Density disc drive device of automatic light modulation system |
| CN101509878A (en) * | 2009-03-09 | 2009-08-19 | 北京航空航天大学 | Part vision detection device |
| CN101596870A (en) * | 2009-06-23 | 2009-12-09 | 江苏大学 | Self-excitation retarder drive controller and control method thereof |
| US20120327253A1 (en) * | 2009-08-20 | 2012-12-27 | Canon Kabushiki Kaisha | Image capturing transfer apparatus that sends a flash on/off parameter instruction for a flash unit connected to the image capturing apparatus |
| CN102157004A (en) * | 2011-04-18 | 2011-08-17 | 东华大学 | Automatic image mosaicking method for high-accuracy image measuring apparatus of super-view field part |
| CN102819166A (en) * | 2011-06-09 | 2012-12-12 | 三星电子株式会社 | Camera |
| JP2013257411A (en) * | 2012-06-12 | 2013-12-26 | Olympus Imaging Corp | Stroboscopic device and imaging apparatus |
| CN203203943U (en) * | 2013-04-23 | 2013-09-18 | 胡进 | On-line continuous product detecting system based on machine vision |
| CN203365889U (en) * | 2013-08-07 | 2013-12-25 | 王璐 | Camera set |
| CN203933812U (en) * | 2014-06-30 | 2014-11-05 | 苏州吉视电子科技有限公司 | A kind of camera with multichannel flash synchronization signal |
Non-Patent Citations (1)
| Title |
|---|
| 张聪: "PCB外观检测仪中基于FPGA的CMOS图像采集", 《中国优秀硕士学位论文全文数据库 信息科技辑》 * |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105959586B (en) * | 2016-05-25 | 2019-05-03 | 北京理工大学 | A kind of high-speed photography flash of light enhancement device |
| CN105959586A (en) * | 2016-05-25 | 2016-09-21 | 北京理工大学 | High-speed shooting flashlight enhancement device |
| CN106534671A (en) * | 2016-11-02 | 2017-03-22 | 南京大学 | 360-degree image synchronization acquisition system |
| CN108429888A (en) * | 2018-04-28 | 2018-08-21 | 维沃移动通信有限公司 | The method and mobile terminal of light filling |
| CN108429888B (en) * | 2018-04-28 | 2020-02-18 | 维沃移动通信有限公司 | Light supplementing method and mobile terminal |
| CN109688339B (en) * | 2019-01-21 | 2023-12-22 | 深圳精创视觉科技有限公司 | Programmable LED light source stroboscopic controller |
| CN109688339A (en) * | 2019-01-21 | 2019-04-26 | 深圳精创视觉科技有限公司 | A kind of programmable LED light source stroboscopic controller |
| CN111327836A (en) * | 2020-03-20 | 2020-06-23 | 合肥埃科光电科技有限公司 | Camera exposure processing method and system |
| CN111327836B (en) * | 2020-03-20 | 2021-06-25 | 合肥埃科光电科技有限公司 | Camera exposure processing method and system |
| US11917302B2 (en) | 2020-03-20 | 2024-02-27 | Hefei I-Tek Optoelectronics Co., Ltd. | Camera exposure processing method and system |
| CN112584059A (en) * | 2020-12-11 | 2021-03-30 | 上海佳勒电子有限公司 | Method, device, system and storage medium for receiving, transmitting and flashing with multiple channels |
| CN113660429A (en) * | 2021-07-07 | 2021-11-16 | 深圳市劲码科技有限公司 | External Bluetooth flash lamp control method based on Bluetooth HID protocol |
| CN113660429B (en) * | 2021-07-07 | 2023-05-19 | 深圳市劲码科技有限公司 | External Bluetooth flash lamp control method based on Bluetooth HID protocol |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104079831B (en) | 2017-09-12 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104079831A (en) | Camera with multiple paths of flash synchronizing signals | |
| TW201734824A (en) | USB interface using repeaters with guest protocol support | |
| CN101404457B (en) | AC-AC frequency conversion current digital control system based on DSP and FPGA | |
| US9684583B2 (en) | Trace data export to remote memory using memory mapped write transactions | |
| CN203933812U (en) | A kind of camera with multichannel flash synchronization signal | |
| PH12017500531A1 (en) | Embedded universal serial bus (usb) debug (eud) for multi-interfaced debugging in electronic systems | |
| EP2847683B1 (en) | Processor device with instruction trace capabilities | |
| CN111831054B (en) | Asynchronous system clock synchronization method, device, system and storage medium | |
| US10417151B2 (en) | Real-time data acquisition using chained direct memory access (DMA) channels | |
| CN104993984B (en) | A kind of Internet of Things Visual intelligent sensory perceptual system and method | |
| JP2009124666A (en) | Photoelectric sensor | |
| US20180173667A1 (en) | Hard reset over i3c bus | |
| CN108073539A (en) | A kind of D-PHY circuits of MIPI interfaces | |
| CN204031506U (en) | A kind of signal converter for light fixture control appliance | |
| CN104408002A (en) | Serial port master-slave communication control system and method | |
| CN106375638A (en) | Visual tracking monitoring and automatic lighting control system | |
| WO2019217077A1 (en) | Latency optimized i3c virtual gpio with configurable operating mode and device skip | |
| EP2524285A1 (en) | Interactive system with successively activated illumination sources | |
| CN203984732U (en) | A kind of Lighting Control Assembly and control method | |
| US10552961B2 (en) | Method, device, and non-transitory computer readable storage medium for object tracking | |
| CN104160354A (en) | Timebase peripheral | |
| US10908946B2 (en) | Scheduling of external block based data processing tasks on a hardware thread scheduler | |
| CN102354130A (en) | Embedded multipath data fusion and control system | |
| CN207359076U (en) | A kind of robot control system and robot | |
| CN209283333U (en) | A kind of industrial camera |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170831 Address after: Suzhou City, Jiangsu Province, Suzhou Industrial Park 215123 Xinghu Street No. 218 BioBAY A4-520 Patentee after: Suzhou Jujia Electronic Technology Co., LTD. Address before: 215500 Jiangsu, Suzhou, Changshou City, Southeast campus of Changshu Institute Of Technology, building T2 Patentee before: GFocus Technologies Co., Ltd. |
|
| TR01 | Transfer of patent right |