Telecommunications – Radiotelephone system – Zoned or cellular telephone system
Patent
1998-05-20
2000-06-20
Hunter, Daniel S.
Telecommunications
Radiotelephone system
Zoned or cellular telephone system
4552264, 455 671, 455 677, H04Q 722
Patent
active
06078816&
ABSTRACT:
A cellular communications device having circuitry for establishing clear wireless communications which includes a receiver-transmitter for receiving and transmitting wireless signals, a signal checker for comparing the signal strength received by the receiver-transmitter, controller for initiating and inhibiting wireless communications based upon results of the comparison made by the signal checker and a user input means for inputting user command information.
REFERENCES:
patent: 4939766 (1990-07-01), Umemoto et al.
patent: 5134708 (1992-07-01), Mauri et al.
patent: 5203011 (1993-04-01), Bane et al.
patent: 5303297 (1994-04-01), Hills
patent: 5321735 (1994-06-01), Breeden et al.
patent: 5465397 (1995-11-01), Pickert
Lang Michael
Weiss Louis H.
Goates Gary B.
Hunter Daniel S.
Sony Corporation
Sony Electronics Inc.
Wyche Myron K.
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