Cordless telephone communication system

Details Cordless telephone communication system Cordless telephone communication system

1989-09-13

1990-05-29

Lev, Robert

Telephonic communications

Audio message storage, retrieval, or synthesis

379 58, H04B 726

Patent

active

049301497

ABSTRACT:
A cordless telephone communication system having a handset unit and base unit connected by a radio transmission channel, the base unit being connected to a remote telephone through a public telephone line, of the base unit and handset unit, at least the base unit having provided therein a detection unit and semi-mute unit, the detection unit sending out a detection output when the handset unit is positioned outside a service area, the semi-mute unit reducing the level of the received signals when the detection output is given, the remote party being expected to take the natural action of waiting without hanging up the telephone while this reduction in level continues.

REFERENCES:
patent: 4491382 (1984-11-01), Villa Real
patent: 4591661 (1986-05-01), Benedetto et al.
patent: 4627098 (1986-12-01), Dolikian et al.
patent: 4745632 (1988-05-01), Duffy
patent: 4775995 (1988-10-01), Chapman et al.
patent: 4853951 (1989-08-01), Bauer

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