Subscriber RF telephone system for providing multiple speech and/or data signals simultaneously over either a single or a plurality of RF channels
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
Aug 3, 2004
Issued Date -
N/A
app pub date -
Feb 26, 2003
filing date -
Mar 20, 1985
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A subscriber unit synchronizes to a control channel. An assigned frequency and time slot is transmitted on the control channel to the subscriber unit. The subscriber unit is moved from the control channel to the assigned frequency and time slot. Voice information is received at the subscriber unit. The voice information is digitized and compressed to a lower bit rate. The voice information is transmitted together with an associated control channel from the subscriber unit.
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