Radio telephone device

Details Radio telephone device Radio telephone device

1988-09-28

1991-01-15

Dwyer, James L.

Telephonic communications

Audio message storage, retrieval, or synthesis

379 58, H04Q 704

Patent

active

049859129

ABSTRACT:
A radio telephone device consists of a base unit connected to a wire circuit and a radio telephone connected to the base unit via a radio circuit, and can perform dialing under an on-hook state from the radio telephone. In the base unit there is provided a detector for detecting a state of the wire circuit, and in the radio telephone there are provided an on-hook dialing switch for indicating on-hook dialing and a display unit for visually displaying a state of the wire circuit according to an output of the detector on the occasion of the on-hook dialing.

REFERENCES:
patent: 4056696 (1977-11-01), Meyerle et al.
patent: 4277651 (1981-07-01), Fisher, II et al.
patent: 4459432 (1984-07-01), Hashimoto
patent: 4656657 (1987-04-01), Hunsicker
patent: 4691338 (1987-09-01), Makano
patent: 4736410 (1988-04-01), Nishida et al.
patent: 4768218 (1988-08-01), Yorita
patent: 4776001 (1988-10-01), Murata et al.

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