Cordless telephone set

Telecommunications – Radiotelephone system – Including private cordless extension system

Patent

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Details

455414, 455566, H04Q 720

Patent

active

059873302

ABSTRACT:
A cordless telephone set having various functions, such as transplantation, secrecy, repeated display and compressed display function is disclosed. A control circuit of a main unit and a control circuit of a subunit of the cordless telephone set are preprogrammed to realize a transplantation function for transplanting functions of the digital telephone set to the cordless telephone set, a secrecy function for preventing the digital telephone set from eavesdropping on communication conducted through the cordless telephone set, a repeated display function for repeatedly displaying a display message received from digital switching equipment when the subunit Y issues no answer to a call, and a compressed display function for displaying, in a compressed manner, a display message received from the digital switching equipment.

REFERENCES:
patent: 5285493 (1994-02-01), Wagai et al.
patent: 5420965 (1995-05-01), Barker, III
patent: 5434905 (1995-07-01), Maeda et al.
patent: 5452347 (1995-09-01), Iglehart et al.
patent: 5467383 (1995-11-01), Urasaka et al.
patent: 5617468 (1997-04-01), Nojima et al.

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