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특허 상세정보

Device for focus detection or distance detection

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) G01C-003/00    G01C-005/00    G03B-007/08   
미국특허분류(USC) 356/1 ; 250/201 ; 354/25 ; 356/4
출원번호 US-0022368 (1979-03-20)
우선권정보 JP-0033476 (1978-03-23)
발명자 / 주소
출원인 / 주소
인용정보 피인용 횟수 : 42  인용 특허 : 4
초록

This invention relates to a device for focus detection or distance detection in which one or more images of a target formed by an optical system are received by photoelectric light receiving means to obtain a photoelectric output regarding the imaging condition of the image of the target and this photoelectric output is electrically processed through a processing circuit to thereby provide an electrical output representing the focus adjusted condition of the optical system with respect to the target or the distance to the target. According to the improve...

대표
청구항

A system comprising: (A) means for forming one or more images of an object; (B) means for receiving said one or more images to provide one or more electrical outputs indicative of said one or more images, said image receiving means being signal integration type image sensing means for providing, as the outputs thereof, one or more integrated image signal integrated within an integration time period; (C) means for receiving and processing said one or more electrical outputs of said image receiving means to detect the imaging condition of said one or more ...

이 특허를 인용한 특허 피인용횟수: 42

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