Digital signal transmitting and/or receiving system
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United States of America Patent
Stats
-
Apr 7, 1987
Grant Date -
N/A
app pub date -
Nov 6, 1984
filing date -
Nov 9, 1983
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A digital signal transmitting system includes a signal generator for producing time division-multiplexed digital audio signals and service bit signals, a modulator for modulating a carrier in accordance with the time division-multiplexed signals and a transmitter to transmit the modulated carrier through a CATV (cable television) transmission line. In a receiver, the service bit signals are decoded so as to control the channel changeover of a television receiver when an emergency broadcast signal is transmitted. A muting control circuit is also provided so as to mute an audio signal from a D/A (digital-to-analog) converter.
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