Telephone system and bell sound detecting method thereof

Details Telephone system and bell sound detecting method thereof Telephone system and bell sound detecting method thereof

1995-06-07

1998-05-26

Bost, Dwayne

Telecommunications

Radiotelephone system

Including private cordless extension system

455 741, 455567, 379428, 379448, H04Q 724

Patent

active

057582890

ABSTRACT:
A relay lifter comprises a hook switch unit for turning ON/OFF a hook switch in response to a talk switch, a voice switching unit for switching connection of an aural signal in said corded telephone set between a transmitter/receiver of said corded telephone set and a cordless telephone set, and a bell sound detection signal transfer unit, a bell sound is outputted from said cordless telephone set when a bell sound is detected and an incoming call is accepted, a hook switch is turned ON/OFF using a hook switch ON/OFF unit, and connection of an aural signal in said corded telephone set is switched to said cordless telephone set for transmitting and receiving voice using said cordless telephone set.

REFERENCES:
patent: 3254159 (1966-05-01), Condict
patent: 3662109 (1972-05-01), Beathan
patent: 3838219 (1974-09-01), Mason
patent: 3838220 (1974-09-01), Gormly
patent: 4392017 (1983-07-01), Torres
patent: 4558178 (1985-12-01), Yasuta et al.
patent: 4575584 (1986-03-01), Smith et al.
patent: 4839918 (1989-06-01), Hata
patent: 4882745 (1989-11-01), Silver
patent: 5010565 (1991-04-01), Nash et al.
patent: 5048073 (1991-09-01), Weiser et al.
patent: 5113428 (1992-05-01), Fitzgerald
patent: 5123042 (1992-06-01), Saegusa et al.
patent: 5233644 (1993-08-01), Yamagata et al.
patent: 5365570 (1994-11-01), Boubelik

Affiliated with

Also associated with

Rating

Telephone system and bell sound detecting method thereof does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Telephone system and bell sound detecting method thereof, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Telephone system and bell sound detecting method thereof will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1978308