Pulse or digital communications – Repeaters – Testing
Patent
1993-05-20
1994-09-27
Gregory, Bernarr E.
Pulse or digital communications
Repeaters
Testing
380 34, 379 56, 379 58, 379 59, 379 61, 455 331, 455 531, 455 541, H04L 2730
Patent
active
053512707
ABSTRACT:
A portable cellular telephone system including a stationary transceiver for radio communication with a plurality of mobile transceivers within a geographic cell, a mobile transceiver within said geographic cell and having sufficient power to communicate with said stationary transceiver, and a portable transceiver of limited size for personal transport and use. The portable transceiver communicates with the mobile transceiver by spread spectrum techniques, and the mobile transceiver communicates with the stationary transceiver by frequency modulated radio transmission or by digital radio transmission.
REFERENCES:
patent: 4456793 (1984-06-01), Baker et al.
patent: 4659878 (1987-04-01), Dinkins
patent: 4989230 (1991-01-01), Gillig et al.
patent: 5115463 (1992-05-01), Moldavsky et al.
Bruno Ronald
Graham Hatch
Moses Charles
Schuchman Leonard
Gregory Bernarr E.
Stanford Telecommunications, Inc.
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