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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0599772 (1984-04-13) |
우선권정보 | JP-0125168 (1980-09-09); JP-0125169 (1980-09-09); JP-0125170 (1980-09-09); JP-0136366 (1980-09-30); JP-0136367 (1980-09-30) |
발명자 / 주소 |
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출원인 / 주소 |
|
인용정보 | 피인용 횟수 : 6 인용 특허 : 10 |
A distance measuring circuit controls in a given sequence a distance measuring operation in which a light beam is periodically projected to a target by means of a light projector and reflected light from the target is received by a light receiver, the output signal of which is utilized to determine
A distance measuring circuit comprising: a light projecting means for projecting a light beam toward a target; a light receiver means for receiving reflected light from said target and outputting a signal; and means for determining the level of said signal from said light receiver means including a
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