发明名称 TELEVISION TRANSMISSION METHOD, TRANSMITTER AND RECEIVER WITH A PLURALITY OF SOUND CHANNELS
摘要 1. A television transmission method combining the transmission of images with that of a plurality of sound channels in which amplitude modulation of a carrier (7) is employed for transmitting a first sound channel, said carrier being also frequency or phase shift keying modulated by so as to transmit at least a second sound channel, characterized in that the modulating signal used for said frequency or phase shift keying is a sub-carrier which is directly modulated by the audio frequency signal of a second sound channel.
申请公布号 DE3365374(D1) 申请公布日期 1986.09.25
申请号 DE19833365374 申请日期 1983.02.02
申请人 LA RADIOTECHNIQUE, SOCIETE ANONYME DITE:;N.V. PHILIPS' GLOEILAMPENFABRIEKEN 发明人 GEOFFRAY, CHRISTIAN;LECAT, JEAN
分类号 H04J9/00;H04N7/06;(IPC1-7):H04N7/06 主分类号 H04J9/00
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