최소 단어 이상 선택하여야 합니다.
최대 10 단어까지만 선택 가능합니다.
다음과 같은 기능을 한번의 로그인으로 사용 할 수 있습니다.
NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
---|---|
국제특허분류(IPC7판) |
|
출원번호 | US-0972977 (2001-10-10) |
발명자 / 주소 |
|
대리인 / 주소 |
|
인용정보 | 피인용 횟수 : 3 인용 특허 : 9 |
A vibration sensor device includes a hollow casing having a plurality of protrusions extending from an inner periphery of the casing. A ball is received in the casing and located in contact with at least three of the protrusions. The ball freely rolls when the casing senses vibration and the ball co
1. A vibration sensor device comprising: a hollow casing having a plurality of protrusions extending from an inner periphery of said casing, and a ball received in said casing and located in contact with at least three of said protrusions. 2. The device as claimed in claim 1, wherein said casi
※ AI-Helper는 부적절한 답변을 할 수 있습니다.