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Panasonic Holdings Corp
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Matsushita Electric Industrial Co Ltd
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Application filed by Matsushita Electric Industrial Co LtdfiledCriticalMatsushita Electric Industrial Co Ltd
Priority to JP523175ApriorityCriticalpatent/JPS51132020A/en
Publication of JPS51132020ApublicationCriticalpatent/JPS51132020A/en
PURPOSE: To simplify circuit and obtain high degree precision of isolation by utilizing the subcarrier wave signal which is phase synchronizing with the differences of the level of a compound synchronizing signal and the pulse width of a vertical synchronizing signal.