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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0513262 (1995-08-10) |
우선권정보 | JP-0211921 (1994-08-11); JP-0257479 (1994-09-26) |
발명자 / 주소 |
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출원인 / 주소 |
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인용정보 | 피인용 횟수 : 24 인용 특허 : 0 |
An automatic door opening and closing system opens a door by driving means when a person approaches the door. A monitoring area is set in the vicinity of the door, and moving speed and direction computing means computes the speed and direction of movement of the person on the basis of changes in pos
An automatic door opening and closing system in which a door is driven to open and close by means of door driving means, said system comprising: moving speed and direction computing means for computing speed and direction of movement of an object moving in a monitoring area outside a door enabling a
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