Radio pager reporting frequency band information

Details Radio pager reporting frequency band information Radio pager reporting frequency band information

1996-09-24

1999-03-02

Zimmerman, Brian

Communications: electrical

Continuously variable indicating

With meter reading

34082503, 3403111, 4551512, 4551861, 4551651, 455260, 4551601, 4551832, 370314, H04Q 718

Patent

active

058777016

ABSTRACT:
A radio pager of the present invention includes a non-volatile memory storing frequency information for each of a plurality of frequency bands for the confirmation of a frequency band. The frequency information are sequentially read out of the memory while frequency signals respectively corresponding to the information are sequentially fed to a frequency synthesizer, until frequency lock is detected. The frequency band to which the locked frequency belongs is determined to be the frequency band assigned to the radio pager and is reported to the operator. Therefore, even before frequency information for allowing the synthesizer to output a desired oscillation frequency corresponding to a receipt frequency is written to the pager and when a frequency band particular to the pager is not labeled on the pager body, the operator can see the frequency band easily. This prevents the operator from writing frequency information in the ROM of an inadequate radio pager to which a desired frequency band is not assigned.

REFERENCES:
patent: 3671870 (1972-06-01), Wellhausen
patent: 4644347 (1987-02-01), Lucas et al.
patent: 4703520 (1987-10-01), Rozanski, Jr. et al.
patent: 4978944 (1990-12-01), Andros et al.
patent: 5058204 (1991-10-01), Tahernia et al.
patent: 5170487 (1992-12-01), Peek
patent: 5170492 (1992-12-01), Moller et al.
patent: 5262769 (1993-11-01), Holmes
patent: 5682147 (1997-10-01), Eaton et al.
patent: 5689806 (1997-11-01), Marko et al.

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