Wireless telephone system

Details Wireless telephone system Wireless telephone system

1997-06-20

1999-11-30

Bost, Dwayne D.

Telecommunications

Radiotelephone system

Including private cordless extension system

455465, 455403, H04Q 720, H04Q 732, H04Q 730, H04Q 738

Patent

active

059958448

ABSTRACT:
In a wireless telephone system, a wireless section of the base station for informing talking mobile wireless terminals of a connection request through a first frequency and for transmitting/receiving control data to a mobile wireless terminal which is in a reception waiting state through a second frequency during talking between the mobile wireless terminals is further simply constituted. Synchronous information is transmitted from the base station through the first frequency, and the first and the second mobile wireless terminals which have received the synchronous information perform a bi-directional and direct talking in a synchronized manner with the base station on the basis of the synchronous information. In this way, the base station is able to ensure a free period which is allocated to switching of the oscillation frequency of a frequency-selecting oscillators and to transmission/reception of the control data by using the second frequency, in addition to a period for transmitting the synchronous information through the first frequency.

REFERENCES:
patent: 5583854 (1996-12-01), Beesley
patent: 5715295 (1998-02-01), Yamashita
patent: 5737325 (1998-04-01), Fukuda

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