Communications apparatus and method for mobile platforms having a plurality of users
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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-
Nov 27, 2001
Grant Date -
N/A
app pub date -
Sep 9, 1997
filing date -
Sep 9, 1996
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A multi user communications terminal apparatus providing simultaneous access for a plurality of users to a communications network in which the geographical locations of each user are registered and periodically updated, the terminal apparatus comprising a plurality of user terminals (320) each including electroacoustic transducers (34,36); and a common RF unit (304) comprising a shared RF amplifier (342) for coupling to a shared antenna system (302), in which the terminal apparatus comprises means (348) for transmitting common location updating signals, and is arranged not to transmit separate location update signals for every one of said users.
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