Method of and apparatus for selectively generating incoming ring

Details Method of and apparatus for selectively generating incoming ring Method of and apparatus for selectively generating incoming ring

1996-12-30

1999-08-17

Vo, Nguyen

Telecommunications

Transmitter and receiver at same station

Radiotelephone equipment detail

455561, 455524, 455517, 455575, H04M 1100, H04Q 700

Patent

active

059407751

ABSTRACT:
A method for generating an incoming ring from a handset in response to an incoming call from only a selected one of base stations, in which the handset is registered for its operation, in a digital cordless telephone system. The digital cordless telephone system includes a plurality of base stations, and a handset operating while being registered at the base stations, the handset comprises a memory adapted to store a plurality of ring generation data respectively associated with a plurality of base stations, a central processing unit adapted to read the content of the memory when an incoming call is generated from one of the base stations, thereby identifying whether or not the memory is stored with ring generation data associated with the base station generating the incoming call, and a tone generator adapted to generate a ring tone associated with the identified ring generation data under the control of the central processing unit.

REFERENCES:
patent: 5448622 (1995-09-01), Huttunen
patent: 5479477 (1995-12-01), McVey et al.
patent: 5509052 (1996-04-01), Chia et al.
patent: 5553125 (1996-09-01), Martensson
patent: 5606597 (1997-02-01), Newland
patent: 5651051 (1997-07-01), Stuart
patent: 5787359 (1996-03-01), Nagata
patent: 5802468 (1995-06-01), Gallant et al.
patent: 5802477 (1996-01-01), Mizokami et al.
patent: 5805999 (1996-02-01), Inoue

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