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ENVIRONMENTAL INFORMATION MEASUREMENT DEVICE, ENVIRONMENTAL INFORMATION MEASUREMENT SYSTEM, AND ENVIRONMENTAL INFORMATION MEASUREMENT METHOD

外国特許コード F120006999
整理番号 S2010-1140-C0
掲載日 2012年10月29日
出願国 世界知的所有権機関(WIPO)
国際出願番号 2011JP071099
国際公開番号 WO 2012/036234
国際出願日 平成23年9月15日(2011.9.15)
国際公開日 平成24年3月22日(2012.3.22)
優先権データ
  • 特願2010-208452 (2010.9.16) JP
発明の名称 (英語) ENVIRONMENTAL INFORMATION MEASUREMENT DEVICE, ENVIRONMENTAL INFORMATION MEASUREMENT SYSTEM, AND ENVIRONMENTAL INFORMATION MEASUREMENT METHOD
発明の概要(英語)

This environmental information measurement device is provided with a power source unit, an environmental information detection unit, a timer unit, and a control unit. From received radio waves, the power source unit generates a power source voltage supplied to a load. The load contains the environmental information detection unit, timer unit, and control unit. The environmental information detection unit has a detection unit provided with a circuit element of which the impedance or capacitance varies in accordance with a physical quantity detected in the environment of a locus for measurement, and outputs a signal that varies in accordance with the response characteristics of the detection unit. The timer unit measures the time from the start of measurement until the voltage of the output signal reaches a predetermined detection voltage, and on the basis of said time, generates environmental information in accordance with the physical quantity. The control unit controls the operation of the environmental information detection unit.

  • 出願人(英語)
  • ※2012年7月以前掲載分については米国以外のすべての指定国
  • EAST JAPAN RAILWAY COMPANY,
  • NATIONAL UNIVERSITY CORPORATION HOKKAIDO UNIVERSITY,
  • WAKI HIROSHI,
  • IGARASHI HAJIME,
  • WATANABE KOTA,
  • MAKIMURA HIDETOSHI
  • 発明者(英語)
  • WAKI HIROSHI,
  • IGARASHI HAJIME,
  • WATANABE KOTA,
  • MAKIMURA HIDETOSHI
国際特許分類(IPC)
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