Pulse or digital communications – Repeaters – Testing
Patent
1990-10-26
1992-05-12
Safourek, Benedict V.
Pulse or digital communications
Repeaters
Testing
331 69, 331158, 455 69, 455119, 375106, H03B 532
Patent
active
051134160
ABSTRACT:
A system for adjusting the frequency of transmissions between a base station and a mobile station. The mobile station detects the frequency of the signal received from the base station, determines whether the signal was received from the current base station and adjusts the output signal of a local crystal-controlled reference oscillator in accordance with the difference between the frequency of the output signal and the frequency of the received signal.
REFERENCES:
patent: 3550006 (1970-12-01), Harner
patent: 3662269 (1972-05-01), Osborne et al.
patent: 4290145 (1981-09-01), Saba et al.
patent: 4509200 (1985-04-01), Luginbuhl et al.
Ericsson GE Mobile Communications Holding Inc.
Safourek Benedict V.
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