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SIGNAL CONTROL APPARATUS

外国特許コード F150008291
掲載日 2015年4月3日
出願国 世界知的所有権機関(WIPO)
国際出願番号 2014JP065259
国際公開番号 WO 2014196653
国際出願日 平成26年6月9日(2014.6.9)
国際公開日 平成26年12月11日(2014.12.11)
優先権データ
  • 特願2013-120953 (2013.6.7) JP
発明の名称 (英語) SIGNAL CONTROL APPARATUS
発明の概要(英語) Provided is a signal control apparatus that can perform phase control with high precision by use of a simple structure and a simple process without receiving any influences of external environments. A signal control apparatus comprises: a first delay unit (7) that receives a modulated signal corresponding to the positive component of an input signal; a second delay unit (8) that receives a modulated signal corresponding to the negative component of the input signal; transducers (11, 12) that receive signals outputted from the delay units of the respective systems and that output, as ultrasonic waves, the received signals for the respective systems; a microphone (13) that detects the ultrasonic waves of the respective systems outputted from the transducers (11, 12); a waveform characteristic detection unit (15) that integrates the detected ultrasonic waves of the respective systems, thereby detecting the waveform characteristics of the positive sonic wave and of the negative sonic wave; and a delay adjustment unit (18) that inputs, on the basis of the detected waveform characteristics, to the first delay unit (7) or second delay unit (8), the information of a delay amount that is in accordance with a phase difference between the signal outputted from the first delay unit (7) and the signal outputted from the second delay unit (8) so as to reduce the phase difference.
  • 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
  • KYUSHU INSTITUTE OF TECHNOLOGY
  • 発明者(英語)
  • SATO YASUSHI
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 JP KE KG KN KP KR KZ LA LC LK LR LS LT 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 TD TG
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