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Application filed by Matsushita Electric Ind Co LtdfiledCriticalMatsushita Electric Ind Co Ltd
Publication of MY104620ApublicationCriticalpatent/MY104620A/en
AN APPARATUS FOR CARRYING OUT THE Y/C SEPARATION OF A COMPOSITE COLOR VIDEO SIGNAL USED IN A TELEVISION RECEIVER, A VIDEO CASSETTE RECORDER AND OTHER AND FOR CARRYING OUT THE Y/C SEPARATION OF VARIOUS SIGNALS SUPERPOSED ON THE VIDEO SIGNAL IN THE VERTICAL RETRACE INTERVAL THEREOF, WITHOUT DISTORTING THE VARIOUS SIGNALS IS DISCLOSED IN WHICH APPARATUS A SWITCHING OPERATION IS PREFORMED SO THAT THE COMPOSITE COLOR VIDEO SIGNAL ITSELF IS USED AS A LUMINANCE SIGNAL IN THE TELETEXT PERIOD OF THE VERTICAL RETRACE INTERVAL OF THE COMPOSITE COLOR VIDEO SIGNAL, AND A Y/C SEPARATOR (25B) OF THE NON- CORRELATION TYPE IN SWITCHED TO OPERATE IN THE REMAINING PERIOD OF THE VERTICAL RETRACE INTERVAL.
MYPI91000185A1990-02-161991-02-06Apparatus for carrying out y/c separation.
MY104620A
(en)