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Microwave generator 実績あり

外国特許コード F130007476
整理番号 255
掲載日 2013年7月10日
出願国 アメリカ合衆国
出願番号 57497804
公報番号 20070040510
公報番号 7471045
出願日 平成16年10月6日(2004.10.6)
公報発行日 平成19年2月22日(2007.2.22)
公報発行日 平成20年12月30日(2008.12.30)
国際出願番号 JP2004014738
国際公開番号 WO2005036730
国際出願日 平成16年10月6日(2004.10.6)
国際公開日 平成17年4月21日(2005.4.21)
優先権データ
  • 特願2003-350463 (2003.10.9) JP
  • 2004WO-JP14738 (2004.10.6) WO
発明の名称 (英語) Microwave generator 実績あり
発明の概要(英語) (US7471045)
A microwave generator comprises a magnetron having an anode and a cathode, oscillating by the current supplied to the anode, and generating a microwave, electric-field controlling means for controlling one of the frequency/phase and the amplitude of the microwave by varying the electric field, and magnetic-field varying means for stabilizing the other by varying the magnetic field.
特許請求の範囲(英語) [claim1]
1. A microwave generating apparatus comprising: a magnetron having an anode and a cathode and oscillating by an electric current supplied to the anode, to thereby generate a microwave;
an electric-field controlling device for controlling at least one of a frequency/phase and an amplitude of the microwave, by changing an electric field;
and
a magnetic-field changing device for stabilizing another of the frequency/phase and the amplitude of the microwave, by changing a magnetic field.
[claim2]
2. A microwave generating apparatus comprising: a magnetron having an anode and a cathode and oscillating by an electric current supplied to the anode, to thereby generate a microwave;
an electric-field controlling device for controlling at least one of a frequency/phase and an amplitude of the microwave, by changing an electric field;
and
a magnetic-field controlling device for controlling another of the frequency/phase and the amplitude of the microwave, by changing a magnetic field.
[claim3]
3. The microwave generating apparatus according to claim 1 or 2, further comprising: an injection locking device for controlling the frequency/phase of the microwave, by injecting a reference signal, which has a natural frequency close to a natural oscillation frequency of said magnetron, into said magnetron, drawing an oscillation frequency of said magnetron into the frequency of the reference signal, and locking the oscillation frequency of said magnetron.
  • 発明者/出願人(英語)
  • MATSUMOTO HIROSHI
  • SHINOHARA NAOKI
  • KYOTO UNIVERSITY
国際特許分類(IPC)
米国特許分類/主・副
  • H01J025/50
  • H03B009/10
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