Cable television audio messaging systems
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
Oct 20, 1998
Issued Date -
N/A
app pub date -
Feb 26, 1996
filing date -
Sep 13, 1993
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A multi-channel audio messaging system for cable television, installed at the headend, enables multiple different input audio messages to be supplied to multiple different channels of a cable television system. Multiple analog audio input message sources are supplied as a multiplexed audio input to a digitizer which outputs digitized audio signals which are switched and decoded, under the control of a microprocessor to provide different audio messages on desired channels.
First Claim
Family
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Cited Art Landscape
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