テレビジョン学会技術報告
Online ISSN : 2433-0914
Print ISSN : 0386-4227
電子レンジにおける第5高調波漏洩防止策の基礎的検討
小塚 洋司
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研究報告書・技術報告書 フリー

1983 年 6 巻 38 号 p. 33-40

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To prevent fifth harmonic radiation that leaks from microwave ovens, both problems involving the structure of the vent hole and suppressing leaky waves from the power source line of the magnetron have been experimentally studied and a few ways proposed to eliminate these leaky waves. As to the vent hole, a circular hole of 5 [mm] diameter should be adopted to prevent fifth harmonic leaky waves from microwave ovens, and at the same time, a metallic fan with electromagnetic wave-absorbing sheets attached to its blades should be used to provide ventilation. Second, a new method of winding the wave-absorbing electromagnetic tape around the power source line connected to the magnetron is proposed. This tape, consisting of rubber ferrite backed by metal, is effective in reducing the intensity of a strong spectrum radiated from the power source line by more than 10[dB].

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© 1983 一般社団法人映像情報メディア学会
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