Radio calling method of a portable radio phone providing power c

Details Radio calling method of a portable radio phone providing power c Radio calling method of a portable radio phone providing power c

1990-12-31

1994-01-11

Eisenzopf, Reinhard J.

Telecommunications

Transmitter

Power control, power supply, or bias voltage supply

455 89, 455343, 379 58, H04B 116

Patent

active

052789950

ABSTRACT:
There is disclosed a radio calling method of a portable radiophone comprising the steps of checking the power supply to determine whether the voltage of the power supply is below the level necessary to transmit signals, beeping and displaying "Only Receive" on the LCD when the voltage is below the level, connecting the power supply to the receiver, setting a given parameter "N" to I, analyzing a received paging signal to determine whether the calling number is an identified number, beeping and displaying "N Called" on the LCD if the calling number proves the identified number, making an increment of "N", checking whether the power supply has been restored, returning the procedure to the step of analyzing a received paging signal if the power supply is not restored or the calling number does not prove the identified number, and clearing the value of the parameter "N" when the power supply is restored.

REFERENCES:
patent: 4761824 (1988-08-01), Saito
patent: 5117449 (1992-05-01), Metroka et al.

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