Apparatus for allocating subscriber identification numbers to pl

Details Apparatus for allocating subscriber identification numbers to pl Apparatus for allocating subscriber identification numbers to pl

1990-02-21

1992-05-05

Yusko, Donald J.

Communications: electrical

Continuously variable indicating

With meter reading

3403111, 379 56, 379 57, H04B 700

Patent

active

051111977

ABSTRACT:
A paging system comprises a predetermined number of radio paging terminals each producing a subscriber identification number, a service zone signal, and a frequency signal respectively corresponding to a subscriber number, a paging processor for allocating subscriber identification numbers received from the radio paging terminals respectively to a predetermined number of paging service zones and a predetermined number of time slots in accordance with the service zone signals and frequency signals, and a predetermined number of transmitter for radiating paging signals provided in each of the paging service zones so that at least two paging signals having different frequencies which are obtained by modulating at least two of the subscriber identification numbers are radiated in two adjacent paging service zones at one of the time slots.

REFERENCES:
patent: 3310741 (1967-03-01), Uitermark et al.
patent: 4144409 (1979-03-01), Utano et al.
patent: 4644351 (1987-02-01), Zabarsky et al.
patent: 4713808 (1987-12-01), Gaskill et al.
patent: 4754453 (1988-06-01), Eizenhofer
patent: 4763322 (1988-08-01), Eizenhofer
patent: 4878051 (1989-10-01), Andros et al.
patent: 4914649 (1990-04-01), Schwendeman et al.

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