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DETECTION DEVICE

外国特許コード F170009233
整理番号 S2017-0383-N0
掲載日 2017年9月14日
出願国 世界知的所有権機関(WIPO)
国際出願番号 2016JP057271
国際公開番号 WO 2017033481
国際出願日 平成28年3月9日(2016.3.9)
国際公開日 平成29年3月2日(2017.3.2)
優先権データ
  • 特願2015-163541 (2015.8.21) JP
発明の名称 (英語) DETECTION DEVICE
発明の概要(英語) A detection device (100) detects an elastic wave propagated via air. The detection device (100) is provided with: a plate-shaped first electrode (12) that has a cantilever structure having a fixed end (FX) and a free end (FR), and vibrates by being curved by the elastic wave; and a plate-shaped second electrode (32) that faces the first electrode (12) with a predetermined distance therebetween. The detection device (100) detects the elastic wave on the basis of a change in capacitance between the first electrode (12) and the second electrode (32). An end of the second electrode (32) in a direction from the fixed end (FX) to the free end (FR) is located closer to the fixed end (FX) side than the free end (FR).
従来技術、競合技術の概要(英語) BACKGROUND ART
The elastic wave propagated through air and the detection device has been known. For example, as described in Patent Document 1, the detection device, a predetermined distance apart from the first face 2 of the first and second plate-like electrodes 1. The first electrode 1, in the predetermined direction at opposite ends to the fixed end and a free end in a cantilever structure. The first electrode 1, is bent by the elastic wave vibration. The detection device, the first 2 and second 1 a change in the capacitance between the electrodes based on the detected acoustic waves.
  • 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
  • TOHOKU UNIVERSITY
  • NIHON KOHDEN CORPORATION
  • 発明者(英語)
  • ONO, Takahito
  • ONO, Yoshinobu
国際特許分類(IPC)
指定国 National States: AE AG AL AM AO AT AU AZ BA BB BG BH BN BR BW BY BZ CA CH CL CN CO CR CU CZ DE DK DM DO DZ EC EE EG ES FI GB GD GE GH GM GT HN HR HU ID IL IN IR IS KE KG KN KP KR KZ LA LC LK LR LS LU LY MA MD ME MG MK MN MW MX MY MZ NA NG NI NO NZ OM PA PE PG PH PL PT QA RO RS RU RW SA SC SD SE SG SK SL SM ST SV SY TH TJ TM TN TR TT TZ UA UG US UZ VC VN ZA ZM ZW
ARIPO: BW GH GM KE LR LS MW MZ NA RW SD SL SZ TZ UG ZM ZW
EAPO: AM AZ BY KG KZ RU TJ TM
EPO: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
OAPI: BF BJ CF CG CI CM GA GN GQ GW KM ML MR NE SN ST TD TG
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