[특허]Electronic shutter for a charge-coupled imager

Electronic shutter for a charge-coupled imager 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	H01L-031/08
출원번호	US-0465198 (1974-04-29)
발명자 / 주소	Caywood John Millard (Richardson TX)
출원인 / 주소	Texas Instruments Incorporated (Dallas TX 02)
인용정보	피인용 횟수 : 49 인용 특허 : 0

초록 ▼

The disclosure relates to a system for controlling the total charge collected on a charge-coupled imager to, in effect, provide an electronic shuttering action for the charge-coupled imager. The charge-coupled imager works in standard fashion and is normally biased into depletion whereby minority carriers, generated by the light impinging on the imager, are collected in predetermined charge collecting areas or wells, the charges in each well then bring read out in a serial fashion. In order to prevent collection of an excess number of charges, which is equivalent to overexposure in a photographic sense, the majority carriers which are necessarily generated simultaneously with the minority carriers, are collected and integrated so that when a predetermined amount of charge is measured, a shuttering action can take place. When the basic imager is formed from p-type silicon, the majority carrier charges are collected by providing an ohmic contact to the p-type substrate. Two modes ofoperation are disclosed. The first mode is suitable for imaging applications and the second mode is suitable for laser warning receivers.

대표청구항 ▼

An electronic shutter for a charge-coupled imager which comprises, in combination: a. a charge-coupled imager comprising a substrate of semiconductor material of predetermined conductivity type, an insulating layer on a surface of said substrate, and plural transfer electrodes over said insulating layer such that radiation incident on said imager causes generation of minority carrier-majority carrier pairs in said substrate for storage of minority-carrier charge beneath said transfer electrodes during an integration period; b. storage means coupled to said imager; and c. means electrically connected to said substrate for responding to current flow induced by said majority carriers to cause transfer to said storage means of said minority carrier induced charge stored beneath said transfer electrodes and for terminating said integration period, at a predetermined level of said current.

이 특허를 인용한 특허 (49)

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Martin, Robert J., Circuit and method for varying the integration time of moving charges from a photodetector.
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Merrill, Richard B.; Mead, Carver A.; Lyon, Richard F., Exposure control in electronic cameras by detecting overflow from active pixels.
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Merrill, Richard B.; Turner, Richard M.; Dong, Milton B.; Lyon, Richard F., High-sensitivity storage pixel sensor array having auto-exposure detection.
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Merrill, Richard B.; Turner, Richard M.; Dong, Milton B.; Lyon, Richard F., High-sensitivity storage pixel sensor having auto-exposure detection.
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Suga Akira,JPX ; Tojo Akihiko,JPX ; Hashimoto Seiji,JPX, Image recording apparatus having an image pick-up device.
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Tsunekawa Tokuichi (Yokohama JPX) Date Nobuaki (Kawasaki JPX) Aizawa Hiroshi (Kawasaki JPX) Hosoe Kazuya (Machida JPX) Urushibara Kazunori (Yokohama JPX), Image recording system.
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Reich Robert K. (North Chelmsford MA) Kosicki Bernard (Acton MA) Savoye Eugene D. (Concord MA), Integrated electronic shutter for charge-coupled devices.
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Merrill Richard B., Intra-pixel frame storage element, array, and electronic shutter method including speed switch suitable for electronic still camera applications.
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Richard B. Merrill ; Richard M. Turner ; Carver A. Mead ; Richard F. Lyon, Intra-pixel frame storage element, array, and electronic shutter method suitable for electronic still camera applications.
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Merrill Richard B., Method and apparatus for biasing a CMOS active pixel sensor above the nominal voltage maximums for an IC process.
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Collins Thomas W. (Saratoga CA) Hense Karl R. (Los Altos CA), Operating circuitry for semiconductor charge coupled devices.
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Kimura Kenji (Tokyo JPX), Solid-state image pickup device.
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Sato, Maki; Kudoh, Yoshiharu, Solid-state imaging device and control system.
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Merrill, Richard B.; Lyon, Richard F., Storage pixel sensor and array with compression.
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IPC	Description
A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

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연합인증

Electronic shutter for a charge-coupled imager 원문보기

초록 ▼

대표청구항 ▼

연구과제 타임라인

이 특허를 인용한 특허 (49)

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Electronic shutter for a charge-coupled imager 원문보기

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이 특허를 인용한 특허 (49)

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