Telecommunications – Transmitter and receiver at separate stations
Patent
1996-09-19
1999-05-25
Vo, Nguyen
Telecommunications
Transmitter and receiver at separate stations
455458, 455343, 34082544, H04B 726, H04Q 302
Patent
active
059077956
ABSTRACT:
A battery saving radio paging signal transmitting and receiving system includes an exchange for receiving a call request from a given terminal. I response to the call request, the exchange transmits a call message to a radio paging transmitter to enable communication with a radio paging receiver. The radio paging transmitter receives and encodes the call message to generate a call signal, and determines whether a subscriber corresponding to the radio paging receiver is a local area service subscriber or a wide area service subscriber based on a radio paging number provided in the call message. The radio paging transmitter initially transmits the call signal in a non-inverted state when the subscriber is a local area service subscriber, and initially transmits the call signal in an inverted state when the subscriber is a wide area service subscriber. The radio paging receiver adjusts an operating power source to activate one of a batch mode and an idle mode in accordance with the inversion and non-inversion of the call signal received from the radio paging transmitter.
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Bushnell Esq. Robert E.
Samsung Electronics Co,. Ltd.
Vo Nguyen
LandOfFree
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