KR970072970A - High-sensitivity camera using frame memory - Google Patents
High-sensitivity camera using frame memory Download PDFInfo
- Publication number
- KR970072970A KR970072970A KR1019960013660A KR19960013660A KR970072970A KR 970072970 A KR970072970 A KR 970072970A KR 1019960013660 A KR1019960013660 A KR 1019960013660A KR 19960013660 A KR19960013660 A KR 19960013660A KR 970072970 A KR970072970 A KR 970072970A
- Authority
- KR
- South Korea
- Prior art keywords
- signal
- output
- receiving
- frame memory
- address
- 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.)
- Ceased
Links
- 238000005070 sampling Methods 0.000 claims abstract 7
- 230000035945 sensitivity Effects 0.000 claims abstract 6
- 238000009825 accumulation Methods 0.000 claims abstract 5
- 239000002131 composite material Substances 0.000 claims abstract 3
- 230000003287 optical effect Effects 0.000 claims abstract 2
- 230000006870 function Effects 0.000 claims 4
- 238000000034 method Methods 0.000 claims 1
- 229920006395 saturated elastomer Polymers 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N5/00—Details of television systems
- H04N5/76—Television signal recording
- H04N5/765—Interface circuits between an apparatus for recording and another apparatus
- H04N5/77—Interface circuits between an apparatus for recording and another apparatus between a recording apparatus and a television camera
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/60—Control of cameras or camera modules
- H04N23/667—Camera operation mode switching, e.g. between still and video, sport and normal or high- and low-resolution modes
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/70—Circuitry for compensating brightness variation in the scene
- H04N23/73—Circuitry for compensating brightness variation in the scene by influencing the exposure time
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/70—Circuitry for compensating brightness variation in the scene
- H04N23/745—Detection of flicker frequency or suppression of flicker wherein the flicker is caused by illumination, e.g. due to fluorescent tube illumination or pulsed LED illumination
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/80—Camera processing pipelines; Components thereof
- H04N23/84—Camera processing pipelines; Components thereof for processing colour signals
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N25/00—Circuitry of solid-state image sensors [SSIS]; Control thereof
- H04N25/70—SSIS architectures; Circuits associated therewith
- H04N25/71—Charge-coupled device [CCD] sensors; Charge-transfer registers specially adapted for CCD sensors
- H04N25/745—Circuitry for generating timing or clock signals
Landscapes
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Signal Processing (AREA)
- Transforming Light Signals Into Electric Signals (AREA)
Abstract
본 발명은 프레임 메모리를 이용한 고감도 카메라에 관한 것으로, 마이컴으로부터 출력되는 전자 셔터 제어 신호를 입력받아, 전하 축적 시간을 제어하기 위한 타이밍 제어기와, 상기 타이밍 제어기로부터 출력되는 전하 축적 시간 제어 신호를 받아, 이 신호에 따라 렌즈를 통과하는 광학 신호를 촬상하는 CCD와, 상기 CCD 신호를 샘플링하고, 이득을 조정하며, 발생된 아날로그 신호를 디지털 신호로 변환시키기 위한 처리부와, 동기 신호 발생기로부터 수직, 수평 동기 신호, 샘플링 주파수 및 필드 신호를 입력받아, 상기 타이밍 제어기를 통해 지정되는 축적된 전하가 출력되는 구간 동안 상기 처리부로부터 출력되는 신호를 저장하고, 축적된 전하가 출력되지 않은 구간 동안은 상기 저장된 신호를 출력함으로써, 화상의 깜빡거림을 방지하고 감도를 향상시키기 위한 프레임 메모리와, 상기 프레임 메모리로부터 출력되는 신호를 디지털 신호 처리하고, 휘도 및 색 성분을 갖는 합성 신호(Composite Signal)를 출력하는 출력부로 구성되었으며, 프레임 메모리를 사용하여 화상의 깜빡거림을 방지하고 감도를 향상시킬 수 있도록 한 프레임 메모리를 이용한 고감도 카메라에 관한 것이다.The present invention relates to a high sensitivity camera using a frame memory and includes a timing controller for receiving an electronic shutter control signal output from a microcomputer and for controlling a charge accumulation time and a controller for receiving a charge accumulation time control signal output from the timing controller, A processor for sampling an optical signal passing through the lens according to the signal, a processor for sampling the CCD signal, adjusting the gain, and converting the generated analog signal into a digital signal, And a timing controller for receiving a signal, a sampling frequency, and a field signal, storing a signal output from the processor during a period in which the accumulated charge designated through the timing controller is output, By outputting, the image is prevented from flickering and the sensitivity is improved. And an output unit for digitally processing the signal output from the frame memory and outputting a composite signal having a luminance and a color component. The frame memory is used to prevent image flickering Sensitivity camera using a frame memory capable of improving sensitivity.
Description
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음Since this is a trivial issue, I did not include the contents of the text.
제2도는 본 발명의 실시예에 따른 프레임 메모리(Frame Memory)를 이용한 고감도 카메라의 구성도이다.FIG. 2 is a block diagram of a high-sensitivity camera using a frame memory according to an embodiment of the present invention.
Claims (5)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019960013660A KR970072970A (en) | 1996-04-30 | 1996-04-30 | High-sensitivity camera using frame memory |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019960013660A KR970072970A (en) | 1996-04-30 | 1996-04-30 | High-sensitivity camera using frame memory |
Publications (1)
Publication Number | Publication Date |
---|---|
KR970072970A true KR970072970A (en) | 1997-11-07 |
Family
ID=66217059
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019960013660A Ceased KR970072970A (en) | 1996-04-30 | 1996-04-30 | High-sensitivity camera using frame memory |
Country Status (1)
Country | Link |
---|---|
KR (1) | KR970072970A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100381532B1 (en) * | 1998-07-28 | 2003-04-26 | 인텔 코오퍼레이션 | Method and apparatus for reducing flicker effects from discharge lamps during pipelined digital video capture |
KR100394570B1 (en) * | 1999-11-08 | 2003-08-14 | 가시오게산키 가부시키가이샤 | Photosensor system and drive control method thereof |
-
1996
- 1996-04-30 KR KR1019960013660A patent/KR970072970A/en not_active Ceased
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100381532B1 (en) * | 1998-07-28 | 2003-04-26 | 인텔 코오퍼레이션 | Method and apparatus for reducing flicker effects from discharge lamps during pipelined digital video capture |
KR100394570B1 (en) * | 1999-11-08 | 2003-08-14 | 가시오게산키 가부시키가이샤 | Photosensor system and drive control method thereof |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
A201 | Request for examination | ||
PA0109 | Patent application |
Patent event code: PA01091R01D Comment text: Patent Application Patent event date: 19960430 |
|
PA0201 | Request for examination |
Patent event code: PA02012R01D Patent event date: 19960430 Comment text: Request for Examination of Application |
|
PG1501 | Laying open of application | ||
E902 | Notification of reason for refusal | ||
PE0902 | Notice of grounds for rejection |
Comment text: Notification of reason for refusal Patent event date: 19981224 Patent event code: PE09021S01D |
|
E601 | Decision to refuse application | ||
PE0601 | Decision on rejection of patent |
Patent event date: 19990526 Comment text: Decision to Refuse Application Patent event code: PE06012S01D Patent event date: 19981224 Comment text: Notification of reason for refusal Patent event code: PE06011S01I |