CN104243839A - Photographing device having automatic light supplementing function - Google Patents
Photographing device having automatic light supplementing function Download PDFInfo
- Publication number
- CN104243839A CN104243839A CN201410466379.5A CN201410466379A CN104243839A CN 104243839 A CN104243839 A CN 104243839A CN 201410466379 A CN201410466379 A CN 201410466379A CN 104243839 A CN104243839 A CN 104243839A
- Authority
- CN
- China
- Prior art keywords
- camera
- transistor
- led
- power transformation
- transformation circuit
- 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.)
- Pending
Links
Landscapes
- Studio Devices (AREA)
Abstract
The invention provides a photographing device having the automatic light supplementing function. The photographing device having the automatic light supplementing function comprises a first shooting module and a second shooting module. The first shooting module comprises a first camera, a first LED and a first photosensitive element, wherein the first camera and the first LED are arranged on the front face of a mobile phone, and the first photosensitive element is arranged on the back face of the mobile phone. The second shooting module comprises a second camera, a second LED and a second photosensitive element, wherein the second camera and the second LED are arranged on the back face of a mobile phone, and the second photosensitive element is arranged on the front face of the mobile phone. The first photosensitive element, the first camera and the first LED are used in cooperation with one another, and the second photosensitive element, the second camera and the second LED are used in cooperation with one another. According to the photographing device having the automatic light supplementing function, the photosensitive element arranged on the other side is used in cooperation with the cameras and the LEDs, the photosensitive element arranged on the other side controls the LEDs to carry out light supplementing operation on a shooting object, and the color of shot pictures is optimized.
Description
Technical field
The present invention relates to electronic technology field, refer to a kind of camera especially.
Background technology
Since First camera is in the world born, being just doomed camera will change life and the history of the mankind.Camera is called for short camera, is that a kind of optical imaging concept that utilizes forms image and uses the equipment of negative writing image.
The light that subject reflects, after being focused on by photographic film and the shutter controlling exposure, the photosensitive material of subject in camera bellows forms sub-image, through rinsing the permanent image of process formation.Camera architecture is the earliest very simple, only comprises camera bellows, camera lens and photosensitive material.Modern camera more complicated, there is camera lens, aperture, shutter, find range, find a view, light-metering, film trasport, counting, auto heterodyne, focusing, the system such as zoom, modern camera is a kind of complex product in conjunction with technology such as optics, precision optical machinery, electronic technology and chemistry.
Digital camera is that a kind of electronic sensor that utilizes converts the camera of electronic data to optical image.Different from the principle that ordinary camera carrys out document image by the chemical change of silver bromide on film, the transducer of digital camera is a kind of Charged Couple (CCD) or complementary metal oxide semiconductors (CMOS) (CMOS) of photoinduction formula.Before image transmitting to computer, usually can first be stored in digital storage equipment.
Mobile phone and camera are born combinations, and along with the development of software and hardware, the shooting effect of mobile phone camera, more and more close to mm professional camera special, the especially Self-timer of mobile phone camera, mm professional camera special is incomparable especially.The moment of the camera arrangement of automatic light-supplementing, the main experience by user oneself operates, and due to shooting angle and the restriction of taking posture, causes the operation such as focusing, light filling of auto heterodyne moment photo to optimize.
Summary of the invention
The present invention proposes a kind of camera arrangement of automatic light-supplementing, solves in prior art because the restriction of shooting angle and posture, photo operate the problem that cannot optimize to light filling.
Technical scheme of the present invention is achieved in that
A kind of camera arrangement of automatic light-supplementing, comprise: be arranged on the first taking module and the second taking module, described first taking module comprises the first camera, the LED that are arranged on mobile phone front and is arranged on first photo-sensitive cell at the mobile phone back side, and described second taking module comprises the second camera, the 2nd LED that are arranged on the mobile phone back side and is arranged on second photo-sensitive cell in mobile phone front; Described first photo-sensitive cell, the first camera and a LED with the use of, described second photo-sensitive cell, second camera and the 2nd LED with the use of;
First D/A converter, be connected to described first photo-sensitive cell, the analog electrical signal exported is converted to digital signal;
Second D/A converter, be connected to described second photo-sensitive cell, the analog electrical signal exported is converted to digital signal;
Image processing module, receives the picture signal of described first camera and second camera output, is converted into digital signal;
Light-adjusting module, receives the digital signal of described first D/A converter and the output of the second D/A converter, exports dim signal according to the tables of data prestored;
First dim signal is couple to the first power transformation circuit, controls the current value that the first power transformation circuit outputs to a LED;
Second dim signal is couple to the second power transformation circuit, controls the current value that the second power transformation circuit outputs to the 2nd LED;
Described first power transformation circuit comprises:
Transformer, comprise former limit winding and vice-side winding, former limit winding comprises first end and the second end, vice-side winding comprises first end and the second end, former limit winding first end is connected to described storage battery, vice-side winding second end is connected to secondary earth potential, and former limit winding first end and vice-side winding second end are Same Name of Ends;
First switching tube, its source electrode is connected to transformer primary side winding second end, and its drain electrode is connected to former limit earth potential, and its grid is connected to the first switch driver;
First switch driver, comprise the first transistor and transistor seconds, the first transistor is NPN transistor, transistor seconds is PNP transistor, the base stage of the first transistor and transistor seconds links together as control end, and control end receives the control signal that described controller exports, and the emitter of the first transistor and transistor seconds links together as output, the collector electrode of the first transistor is connected to storage battery, and the collector electrode of transistor seconds is connected to former limit earth potential;
First diode, its anode is connected to transformer secondary winding first end, and its negative electrode is connected to the first inductor;
The common port of the first inductor and the first capacitor is as output, and the other end of the first capacitor is connected to secondary earth potential;
Described second power transformation circuit is identical with the first power transformation circuit;
Described first dim signal and the second dim signal are couple to the first switching tube of described first power transformation circuit and the second power transformation circuit respectively.
The invention has the beneficial effects as follows:
By be arranged on the photo-sensitive cell of other side and camera, LED with the use of, the photo-sensitive cell control LED arranged by opposite side carries out light filling operation to reference object, and the color and luster of photographic images is optimized.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the control block diagram of the camera arrangement of automatic light-supplementing of the present invention;
Fig. 2 is the circuit diagram of the first power transformation circuit and the second power transformation circuit.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
As shown in Figure 1, the camera arrangement of a kind of automatic light-supplementing of the present invention, comprise: be arranged on the first taking module 10 and the second taking module 20, described first taking module 10 comprises the first camera 11, the LED13 that are arranged on mobile phone front and is arranged on first photo-sensitive cell 12 at the mobile phone back side, and described second taking module 20 comprises the second camera 21, the 2nd LED23 that are arranged on the mobile phone back side and is arranged on second photo-sensitive cell 22 in mobile phone front; Described first photo-sensitive cell 12, first camera 11 and a LED13 with the use of, described second photo-sensitive cell 22, second camera 21 and the 2nd LED23 with the use of.
First D/A converter 31, be connected to described first photo-sensitive cell 12, the analog electrical signal exported is converted to digital signal; Second D/A converter 32, be connected to described second photo-sensitive cell 22, the analog electrical signal exported is converted to digital signal.
Image processing module 41, receives the picture signal of described first camera 11 and second camera 21 output, is converted into digital signal; Light-adjusting module 42, receives the digital signal of described first D/A converter 31 and the output of the second D/A converter 32, exports dim signal according to the tables of data prestored.
First dim signal is couple to the first power transformation circuit 50, controls the current value that the first power transformation circuit 50 outputs to a LED13; The photosensitive intensity exported when the first photo-sensitive cell 12 is weak, and a LED carries out light filling operation to reference object.
Second dim signal is couple to the second power transformation circuit 60, controls the current value that the second power transformation circuit 60 outputs to the 2nd LED23; The photosensitive intensity exported when the second photo-sensitive cell 22 is weak, and the 2nd LED23 carries out light filling operation to reference object.
As shown in Figure 2, first power transformation circuit 50 comprises: transformer 51, comprise former limit winding and vice-side winding, former limit winding comprises first end and the second end, vice-side winding comprises first end and the second end, former limit winding first end is connected to storage battery as input, and vice-side winding second end is connected to secondary earth potential, and former limit winding first end and vice-side winding second end are Same Name of Ends; First switching tube 52, its source electrode is connected to transformer primary side winding second end, and its drain electrode is connected to former limit earth potential, and its grid is connected to the first switch driver 53; First switch driver 53, comprise the first transistor and transistor seconds, the first transistor is NPN transistor, transistor seconds is PNP transistor, the base stage of the first transistor and transistor seconds links together as control end, the emitter of the first transistor and transistor seconds links together as output, and the collector electrode of the first transistor is connected to power supply, and the collector electrode of transistor seconds is connected to former limit earth potential; First diode 54, its anode is connected to transformer secondary winding first end, and its negative electrode is connected to the first inductor 55; The common port of the first inductor 55 and the first capacitor 56 is as output, and the other end of the first capacitor 56 is connected to secondary earth potential.
Described light-adjusting module 42 outputs a control signal to the control end of the first switch driver 53, the turn-on and turn-off of control switch pipe, and then controls the electric current outputting to a LED.Described second power transformation circuit 60 is identical with the first power transformation circuit 50, repeats no more here.
Above-mentioned image processing module 41, light-adjusting module 42 can adopt discrete structure to realize, and namely select 2 chip blocks, and pass through the function of the circuit realiration Images uniting taken outward; Image processing module 41, light-adjusting module 42 also can adopt integrated structure to realize, and namely realize image processing module 41, light-adjusting module 42 by the internal processes of DSP circuit.
Preferably, described dsp chip is TMS320DM642 chip.
TMS320DM642 is fixed DSP up-to-date in TI company C6000 series DSP, its core is C6416 type high-performance digital signal processor, there is extremely strong handling property, the flexibility of height and programmability, periphery is integrated with equipment and the interfaces such as very complete audio frequency, video and network service simultaneously.
TMS320DM642 chip comprises: 3 configurable video ports (VPORT0-2) can realize seamless link with general video coding and decoding device, support various video resolution and video standard, support RAW video input/output, transport stream mode; 1 10/100Mb/s Ethernet interface (EMAC), meets IEEE 802.3 standard; 1 multichannel band buffered audio serial port (McASP), supports the audio format such as I2S, DIT, S/PDIF, IEC60958-1, AES-3, CP-430; 2 multichannel band Buffered Serial Port (McBSP), adopt RS232 level to drive; 1 VCXO interpolation control unit (VIC), supports that audio/video is synchronous; 1 32,66M hertz, the master/slave pci interface of 3.3V, follow PCI2.2 specification; 1 configurable 16/32 host interface (HPI) of user; 1 16 general input/output port (GPIO); 1 64 external memory interfaces (EMIF), can with most of asynchronous memory (SRAM, EPROM) and synchronous memories (SDRAM, SBSRAM, ZBT SRAM, FIFO) seamless link, maximum addressable external memory storage space is 1024MB; 1 enhancement mode direct memory access controller (EDMA) with 64 autonomous channels, tunnel; 1 data management input/output module (MDIO); 1 I2C bus module; 3 32 general purpose timers; 1 jtag interface and daughterboard interface etc. meeting IEEE 1149.1 standard.
The present invention by be arranged on the photo-sensitive cell of other side and camera, LED with the use of, the photo-sensitive cell control LED arranged by opposite side carries out light filling operation to reference object, and the color and luster of photographic images is optimized.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (1)
1. the camera arrangement of an automatic light-supplementing, it is characterized in that, comprise: the first taking module and the second taking module, described first taking module comprises the first camera, the LED that are arranged on mobile phone front and is arranged on first photo-sensitive cell at the mobile phone back side, and described second taking module comprises the second camera, the 2nd LED that are arranged on the mobile phone back side and is arranged on second photo-sensitive cell in mobile phone front; Described first photo-sensitive cell, the first camera and a LED with the use of, described second photo-sensitive cell, second camera and the 2nd LED with the use of;
First D/A converter, be connected to described first photo-sensitive cell, the analog electrical signal exported is converted to digital signal;
Second D/A converter, be connected to described second photo-sensitive cell, the analog electrical signal exported is converted to digital signal;
Image processing module, receives the picture signal of described first camera and second camera output, is converted into digital signal;
Light-adjusting module, receives the digital signal of described first D/A converter and the output of the second D/A converter, exports dim signal according to the tables of data prestored;
First dim signal is couple to the first power transformation circuit, controls the current value that the first power transformation circuit outputs to a LED;
Second dim signal is couple to the second power transformation circuit, controls the current value that the second power transformation circuit outputs to the 2nd LED;
Described first power transformation circuit comprises:
Transformer, comprise former limit winding and vice-side winding, former limit winding comprises first end and the second end, vice-side winding comprises first end and the second end, former limit winding first end is connected to described storage battery, vice-side winding second end is connected to secondary earth potential, and former limit winding first end and vice-side winding second end are Same Name of Ends;
First switching tube, its source electrode is connected to transformer primary side winding second end, and its drain electrode is connected to former limit earth potential, and its grid is connected to the first switch driver;
First switch driver, comprise the first transistor and transistor seconds, the first transistor is NPN transistor, transistor seconds is PNP transistor, the base stage of the first transistor and transistor seconds links together as control end, and control end receives the control signal that described controller exports, and the emitter of the first transistor and transistor seconds links together as output, the collector electrode of the first transistor is connected to storage battery, and the collector electrode of transistor seconds is connected to former limit earth potential;
First diode, its anode is connected to transformer secondary winding first end, and its negative electrode is connected to the first inductor;
The common port of the first inductor and the first capacitor is as output, and the other end of the first capacitor is connected to secondary earth potential;
Described second power transformation circuit is identical with the first power transformation circuit;
Described first dim signal and the second dim signal are couple to the first switching tube of described first power transformation circuit and the second power transformation circuit respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410466379.5A CN104243839A (en) | 2014-09-12 | 2014-09-12 | Photographing device having automatic light supplementing function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410466379.5A CN104243839A (en) | 2014-09-12 | 2014-09-12 | Photographing device having automatic light supplementing function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104243839A true CN104243839A (en) | 2014-12-24 |
Family
ID=52231092
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410466379.5A Pending CN104243839A (en) | 2014-09-12 | 2014-09-12 | Photographing device having automatic light supplementing function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104243839A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105898155A (en) * | 2016-05-19 | 2016-08-24 | 深圳市金立通信设备有限公司 | Shooting method and terminal |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011239084A (en) * | 2010-05-07 | 2011-11-24 | Olympus Imaging Corp | Imaging device and imaging method |
| CN203608266U (en) * | 2013-10-24 | 2014-05-21 | 惠州市桑莱士光电有限公司 | A handset camera capable of shooting in a dark light environment |
| CN104144299A (en) * | 2014-08-19 | 2014-11-12 | 青岛盛嘉信息科技有限公司 | Automatic light supplement method for camera device |
-
2014
- 2014-09-12 CN CN201410466379.5A patent/CN104243839A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011239084A (en) * | 2010-05-07 | 2011-11-24 | Olympus Imaging Corp | Imaging device and imaging method |
| CN203608266U (en) * | 2013-10-24 | 2014-05-21 | 惠州市桑莱士光电有限公司 | A handset camera capable of shooting in a dark light environment |
| CN104144299A (en) * | 2014-08-19 | 2014-11-12 | 青岛盛嘉信息科技有限公司 | Automatic light supplement method for camera device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105898155A (en) * | 2016-05-19 | 2016-08-24 | 深圳市金立通信设备有限公司 | Shooting method and terminal |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US11470262B2 (en) | Time division multiplexing fill light imaging apparatus and method | |
| CN104243836A (en) | Double-camera control method of camera shooting device | |
| CN104159012A (en) | Dual-camera photo device | |
| CN104219456A (en) | Cellphone camera with intelligent dimming function | |
| CN104159010A (en) | Mobile phone camera with light compensation function | |
| JP2019197089A (en) | Imaging device and light-emitting device, control method thereof, and program | |
| TWI637632B (en) | Image capturing device and control method thereof | |
| CN104126298A (en) | Smart cameras | |
| CN104219457A (en) | Multi-camera control method of mobile phone camera | |
| CN104144299A (en) | Automatic light supplement method for camera device | |
| CN104243839A (en) | Photographing device having automatic light supplementing function | |
| CN104159011A (en) | Picture-taking device | |
| CN104301589A (en) | Multi-camera mobile phone camera | |
| CN201378849Y (en) | Portable camera with WI-FI transmission | |
| CN104144296A (en) | Dual-mode shooting control method for mobile phone camera | |
| CN104144300A (en) | Light compensating method for dual-mode mobile phone camera | |
| CN104159044A (en) | Control method for dimming circuit of photographing device | |
| CN104219447A (en) | Intelligent-dimming camera device | |
| CN104243817A (en) | Dimming method for camera shooting device | |
| CN104159045A (en) | Mobile phone camera with dual-mode light compensation | |
| CN104301620A (en) | Automatic light-adjusting control method of mobile phone camera | |
| CN104219450A (en) | Light compensation method of mobile phone camera | |
| CN104301606A (en) | Photographing device control method | |
| CN104168410A (en) | Photographing device with dimming circuits | |
| CN104219451A (en) | Intelligent shooting device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20141224 |