Radio telephone system and method of registering an ID code ther

Details Radio telephone system and method of registering an ID code ther Radio telephone system and method of registering an ID code ther

1991-08-23

1992-10-20

Dwyer, James L.

Telephonic communications

Audio message storage, retrieval, or synthesis

379 58, H04M 1100

Patent

active

051577100

ABSTRACT:
A radio telephone system which comprises a base unit (1) connected to a wire line (3) and at least one radio telephone set (2) to be coupled with the base unit (1) through a radio circuit, and in which coupling between the base unit and the radio telephone set is controlled on the basis of an identification code. A non-volatile first memory (58) having an identification previously written therein is provided in one of the base unit (1) and the radio telephone set (2), and an optionally writable second memory (60) is provided in the other. Written in the second memory (60) is a predetermined identification code on the basis of the identification code stored in the first memory (58).

REFERENCES:
patent: 4776001 (1988-10-01), Murata et al.
patent: 4794636 (1988-12-01), Sanglier et al.

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