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Phase discriminating capacitive array sensor system 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • G01R-027/26
출원번호 US-0889577 (1992-05-28)
발명자 / 주소
  • Vranish John M. (Crofton MD) Rahim Wadi (Severna Park MD)
출원인 / 주소
  • The United States of America as represented by the Administrator of the National Aeronautics and Space Administration (Washington DC 06)
인용정보 피인용 횟수 : 79  인용 특허 : 0

초록

A phase discriminating capacitive sensor array system which provides multiple sensor elements which are maintained at a phase and amplitude based on a frequency reference provided by a single frequency stabilized oscillator. Sensor signals provided by the multiple sensor elements are controlled by m

대표청구항

A phase discriminating capacitive sensor array system for detecting an object, comprising: (a) a capacitive sensor array having sensor elements to sense the object, each sensor element producing a sensor signal; (b) a frequency stabilized oscillator providing a frequency reference; and (c) phase con

이 특허를 인용한 특허 (79)

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