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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0940845 (1978-09-08) |
발명자 / 주소 |
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인용정보 | 피인용 횟수 : 18 인용 특허 : 2 |
A device is provided for sensing the magnitude and direction of angular departures of a towing vehicle from a path which will bring a hitch mounted thereon into engageable relationship with a hitch mounted on a trailer, for registering the changing distance between such hitches, and for indicating t
A towing hitch alignment director transducer comprising a first potentiometer adapted for mounting on a vehicle and having a rotatable shaft extending therefrom; reel means carried by said shaft including spring means for rotating said reel means in one direction, and an extensible sensor carried by
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