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Hitachi Ltd
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Hitachi Ltd
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Application filed by Hitachi LtdfiledCriticalHitachi Ltd
Priority to JP9607677ApriorityCriticalpatent/JPS5430719A/en
Publication of JPS5430719ApublicationCriticalpatent/JPS5430719A/en
PURPOSE:To prevent the abnormal increase of X-rays by stopping a TV receiver to oscillate horizontally and to generate a high voltage when the vertical size becomes small.