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Device for measuring altitude and barometric pressure 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • G04B-047/06
출원번호 US-0794848 (1991-11-21)
우선권정보 JP-0138313 (1988-06-07); JP-0316216 (1988-12-16)
발명자 / 주소
  • Nitta Tatsuo (Kawagoe JPX) Umemoto Toshio (Kawagoe JPX) Kihara Hiroyuki (Kodaira JPX)
출원인 / 주소
  • Citizen Watch Co., Ltd. (Tokyo JPX 03)
인용정보 피인용 횟수 : 136  인용 특허 : 0

초록

A device for measuring altitude and barometric pressure having a barometric pressure sensor, an amplifying circuit for amplifying the output signal from the pressure sensor, an analog to digital converter for converting the output signal from the amplifying circuit to a digital signal, and an altitu

대표청구항

An altitude and barometric pressure measuring device, comprising: a barometric pressure sensor including an amplifier for outputting an amplified analog signal from said sensor corresponding to the sensed atmospheric pressure; an analog to digital converter for converting the amplified analog signal

이 특허를 인용한 특허 (136)

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