Radio pager

Details Radio pager Radio pager

1997-08-01

1999-01-05

Eisenzopf, Reinhard J.

Telecommunications

Transmitter and receiver at separate stations

455 383, H04B 700

Patent

active

058571450

ABSTRACT:
A radio pager of the present invention is capable of determining, during automatic area switching operation, a frequency having a high field strength by excluding the other frequencies having low field strengths. In addition, the pager is capable of determining such a frequency simply at low cost by use of its original antenna and radio frequency gain control function, i.e., without resorting to any additional circuitry.

REFERENCES:
patent: 4792984 (1988-12-01), Matsuo
patent: 5303411 (1994-04-01), Stengel et al.
patent: 5390362 (1995-02-01), Mojeska et al.
patent: 5572516 (1996-11-01), Miya et al.
patent: 5574439 (1996-11-01), Miyashita
patent: 5636243 (1997-06-01), Tanaka
patent: 5652748 (1997-07-01), Jolma et al.
patent: 5677681 (1997-10-01), Tanaka et al.
patent: 5722060 (1998-02-01), Horigume

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