发明名称 Synchronous quantized subcarrier multiplexer for digital transport of video, voice and data
摘要 This invention addresses the digital transmission of wideband video, narrowband audio, and digital information over information networks. More specifically, the invention involves synchronous quantized subcarrier multiplexing (quantized-SCM) which results in purely electronic multiplexing of voice, data and multiple channel full bandwidth NTSC video for digital transmission over a communcation line and recovery of same signals at a receiving station.
申请公布号 US4999831(A) 申请公布日期 1991.03.12
申请号 US19890423374 申请日期 1989.10.19
申请人 UNITED TELECOMMUNICATIONS, INC. 发明人 GRACE, MARTIN K.
分类号 H04B10/155;H04J14/02 主分类号 H04B10/155
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