CN2511068Y - Video-signal inputting device adopting CMOS picture sensor - Google Patents
Video-signal inputting device adopting CMOS picture sensor Download PDFInfo
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- CN2511068Y CN2511068Y CN 01272991 CN01272991U CN2511068Y CN 2511068 Y CN2511068 Y CN 2511068Y CN 01272991 CN01272991 CN 01272991 CN 01272991 U CN01272991 U CN 01272991U CN 2511068 Y CN2511068 Y CN 2511068Y
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- image sensor
- cmos image
- video
- power supply
- video signal
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Abstract
The utility model discloses a video output device using a CMOS image sensor, comprising a CMOS image sensor for receiving signal from lens, a microprocessor, a power processing and switching circuit, an oscillation circuit, an output interface, etc. The video output device has the advantages of low cost, easy controlling, great imaging, and extensive application scope, therefore is an ideal product to replace the video module of CCD image sensor in video-used products such as a videophone, a visual doorbell, an automobile monitoring system, an security monitoring system, a digital camera, a camera for person computer and so on.
Description
Technical field
The utility model relates to a kind of video signal output apparatus.
Background technology
Present numeral and analog video signal output module mainly adopt CCD as imageing sensor, and the light that external scenery is reflected carries out signals collecting, through the numeral or the analog video signal of analog-to-digital conversion, data compression, parameter adjustment, outputting standard.But the price of ccd image sensor is higher, and supporting with it peripheral circuit element is also more, thereby the cost of whole video output module is also than higher.
Summary of the invention
The utility model purpose is: a kind of video signal output apparatus that adopts cmos image sensor is provided, that this device has is with low cost, be easy to control, image effect is good, the scope of application is wide, using in the product with the first-class associated video of shooting in video telephone, video doorbell, auto monitoring system, security surveillance system, digital camera, PC, is the ideal product that replaces the ccd image sensor video module.
The technical solution of the utility model is: a kind of video signal output apparatus that adopts cmos image sensor, this device comprises the cmos image sensor that receives the camera lens signal, the power supply processing of power supply and translation circuit is provided, provides the oscillating circuit of clock signal to cmos image sensor to cmos image sensor, and the signal of cmos image sensor exports video signal processing system to by output interface.
The further technical scheme of the utility model is: a kind of video signal output apparatus that adopts cmos image sensor, this device comprises the cmos image sensor that receives the camera lens signal, the power supply processing of power supply and translation circuit is provided, the oscillating circuit of clock signal is provided to cmos image sensor to cmos image sensor, the signal of cmos image sensor exports video signal processing system to by output interface, and power supply is handled and the power supply of translation circuit enters through output interface; Described cmos image sensor is connected with microprocessor, and microprocessor is connected with output interface, and accepts the clock signal that power supply is handled and translation circuit provides power supply and oscillating circuit provide.
The utility model has the advantages that:
1. the utility model has adopted the manufacture craft of CMOS maturation, is easy to extensive integrated peripheral circuit element, and single CMOS SENSOR imageing sensor can provide the numeral or the analog video signal output of standard.
2. be connected with microprocessor with the utility model, vision signal to output is finely tuned, can satisfy different application scenarios, the format digital video signal of standard has colourity spacing waves such as YcrCb, YUV, RGB, and the analog video signal output format has television video output signals such as the PAL, the NTSC that meet industrial standard, S-VIDEO.
3. the utility model also provides the necessary control signal, so that with external video signal processing system it is controlled, as image parameter is set, closes the various orders relevant with image processing such as vision signal output.
Description of drawings
Below in conjunction with drawings and Examples the utility model is further described:
Fig. 1 is an electrical block diagram of the present utility model;
Fig. 2 is circuit theory diagrams of the present utility model.
Wherein: 1 adjustable zoom lens; 2 cmos image sensors; 3 power supplys are handled and translation circuit; 4 oscillating circuits; 5 output interfaces; 6 microprocessors.
Embodiment
Embodiment: as shown in Figure 1, a kind of video signal output apparatus that adopts cmos image sensor, this device comprises the cmos image sensor [2] that receives camera lens [1] signal, the power supply of power supply being provided for cmos image sensor [2] handles and translation circuit [3], the oscillating circuit [4] of clock signal is provided for cmos image sensor [2], the signal of cmos image sensor [2] exports video signal processing system to by output interface [5], and power supply is handled and the power supply of translation circuit [3] enters through output interface [5]; Described cmos image sensor [2] is connected with microprocessor [6], and microprocessor [6] is connected with output interface [5], and accepts the clock signal that power supply is handled and translation circuit [3] provides power supply and oscillating circuit [4] provide.
During work, outside scenery shines on the sensing unit (CELLS) of cmos image sensor [2] through the image behind adjustable zoom lens [1], analog-to-digital conversion, gain controlling, exposure control, white balance control and other necessary control signal are carried out in transducer [2] inside, and require output digital video signal or analog video signal to the outer video signal treatment system according to different.
Microprocessor [6] is connected with cmos image sensor [2], can finely tune the mass effect of its output signal, and the output format of control of video signal is to satisfy different application scenarios.If in specific application, only use the vision signal of cmos image sensor [2] output can meet the requirements, microprocessor [6] can not installed, and saves cost.
Power conversion and treatment circuit [3] provide microprocessor [6], the required various power supplys of cmos image sensor [2] work, and oscillating circuit [4] provides clock signal to microprocessor [6] and cmos image sensor [2].
During manufacturing, the chip U in the cmos image sensor [2]
1Can adopt chips such as OV7620, VV6410, VV6415;
Chip U in power conversion and the treatment circuit [3]
2Can adopt LM2803 boost conversion chip;
Chip U in power conversion and the treatment circuit [3]
3Can adopt chips such as LM78L05, MC78L05;
Chip U in the microprocessor [6]
3Can adopt chips such as Atting10/11/12.
Claims (3)
1. video signal output apparatus that adopts cmos image sensor, it is characterized in that: this device comprises the cmos image sensor [2] that receives camera lens [1] signal, the power supply of power supply being provided for cmos image sensor [2] handles and translation circuit [3], the oscillating circuit [4] of clock signal is provided for cmos image sensor [2], and the signal of cmos image sensor [2] exports video signal processing system to by output interface [5].
2. the video signal output apparatus of employing cmos image sensor according to claim 1, it is characterized in that: described cmos image sensor [2] is connected with microprocessor [6], microprocessor [6] is connected with output interface [5], and accepts the clock signal that power supply is handled and translation circuit [3] provides power supply and oscillating circuit [4] provide.
3. the video signal output apparatus of employing cmos image sensor according to claim 1 is characterized in that: described power supply is handled and the power supply of translation circuit [3] enters through output interface [5].
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01272991 CN2511068Y (en) | 2001-12-21 | 2001-12-21 | Video-signal inputting device adopting CMOS picture sensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 01272991 CN2511068Y (en) | 2001-12-21 | 2001-12-21 | Video-signal inputting device adopting CMOS picture sensor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2511068Y true CN2511068Y (en) | 2002-09-11 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 01272991 Expired - Fee Related CN2511068Y (en) | 2001-12-21 | 2001-12-21 | Video-signal inputting device adopting CMOS picture sensor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2511068Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100347603C (en) * | 2002-12-25 | 2007-11-07 | 北京中星微电子有限公司 | Digital camera device with self-focusing system and method thereof |
| CN102014245A (en) * | 2010-10-15 | 2011-04-13 | 中国科学院安徽光学精密机械研究所 | High-speed CMOS camera with function of calculating miss amount of light spot in real time |
-
2001
- 2001-12-21 CN CN 01272991 patent/CN2511068Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100347603C (en) * | 2002-12-25 | 2007-11-07 | 北京中星微电子有限公司 | Digital camera device with self-focusing system and method thereof |
| CN102014245A (en) * | 2010-10-15 | 2011-04-13 | 中国科学院安徽光学精密机械研究所 | High-speed CMOS camera with function of calculating miss amount of light spot in real time |
| CN102014245B (en) * | 2010-10-15 | 2013-02-27 | 中国科学院安徽光学精密机械研究所 | High-speed CMOS camera with function of calculating miss amount of light spot in real time |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |