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MAGNETIC FIELD VALUE MEASUREMENT DEVICE AND MAGNETIC FIELD VALUE MEASUREMENT METHOD

外国特許コード F150008303
整理番号 S2013-0360-C0
掲載日 2015年4月10日
出願国 世界知的所有権機関(WIPO)
国際出願番号 2014JP059276
国際公開番号 WO 2014157661
国際出願日 平成26年3月28日(2014.3.28)
国際公開日 平成26年10月2日(2014.10.2)
優先権データ
  • 特願2013-069762 (2013.3.28) JP
発明の名称 (英語) MAGNETIC FIELD VALUE MEASUREMENT DEVICE AND MAGNETIC FIELD VALUE MEASUREMENT METHOD
発明の概要(英語) A magnetic field measurement device is provided with: a vibratory probe unit (11) provided with a probe (111) produced from one or more types of materials each having the property of the intensity of magnetization being proportional to the magnitude of an external magnetic field; a mechanical vibration source (12) for the probe (111); a vibration detection unit (13) for detecting the vibration frequency and amplitude of the probe (111); an alternating-current magnetic field generation unit (14) for applying an alternating-current magnetic field with a frequency different from the mechanical vibration frequency of the probe (111) to the probe (111); a direct-current external magnetic field generation unit (15) for applying a direct-current external magnetic field to the probe (111); a frequency modulation detection unit (16) for detecting frequency modulation occurring in the mechanical vibration of the probe (111); a direct-current external magnetic field control unit (17) for adjusting the magnitude of the direct-current external magnetic field in a mechanical vibration direction which the direct-current external magnetic field generation unit applies to the probe (111); and a direct-current magnetic field specification unit (18) for specifying the value of a direct-current magnetic field generated by an observation sample (100) on the basis of the output value of the direct-current external magnetic field generation unit when the magnitude of the frequency modulation has become a minimum.
  • 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
  • AKITA UNIVERSITY
  • OSAKA UNIVERSITY
  • 発明者(英語)
  • SAITO HITOSHI
  • YOSHIMURA SATORU
  • KINOSHITA YUKINORI
  • NOMURA HIKARU
  • NAKATANI RYOICHI
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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