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특허 상세정보

Photo-sensor device and image scanning system employing the same

특허상세정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) H04N-003/15    H01L-027/14   
미국특허분류(USC) 358/213 ; 358/221 ; 357/24 ; 357/30
출원번호 US-0025542 (1979-03-30)
우선권정보 JP-0038565 (1978-03-31)
발명자 / 주소
출원인 / 주소
인용정보 피인용 횟수 : 47  인용 특허 : 1
초록

A photo-sensor device comprises a light receiving part composed of a plurality of photo-sensor elements for converting photosignals into electrical signals. A portion of the light receiving part is shielded by light shielding means so that in reading out the output from the device, there can be obtained also a signal of dark current information from the shielded photo-sensor elements.

대표
청구항

A radiation sensing device comprising: (a) radiation sensitive means for providing electrical signals corresponding to received radiations; (b) means for providing an electrical signal indicative of a dark current of the sensing device; (c) means for receiving a bias voltage to be supplied to said device; and (d) means electrically coupled with said bias voltage receiving means so as to provide an electrical signal informing of internal voltage variation in said device relative to variation of said bias voltage, wherein said radiation sensitive means, sa...

이 특허를 인용한 특허 피인용횟수: 47

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