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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0933280 (1978-08-14) |
발명자 / 주소 |
|
출원인 / 주소 |
|
인용정보 | 피인용 횟수 : 19 인용 특허 : 2 |
A security hinge construction includes a pair of hinge leaves each having at least one knuckle. An electric switch is fixedly mounted within one of the knuckles and a switch operating means is disposed within the other knuckle. The switch or electrical component is sealed within its associated knuck
A hinge construction comprising: first and second pivotally connected hinge leaves, each leaf including at least one hinge knuckle which is disposed closely adjacent to and movable relative to the knuckle on the other of said leaves, a circuit component assembly carried by one of said knuckles, and
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