Telephone line switch

Details Telephone line switch Telephone line switch

1986-07-17

1989-03-21

Brown, Thomas W.

Telephonic communications

Supervisory or control line signaling

Substation originated

379393, 379412, 379421, H04M 131

Patent

active

048151262

ABSTRACT:
A solid state multi-function line switch for a telephone subset in which a controllable solid state switch in the subset's loop current circuit is controlled by a control circuit responsive to the telephone subset's signal functions such as hook-switch operation signals and loop current interrupt signals. An embodiment of a telephone subset circuit arrangement incorporating the line switch is disclosed.

REFERENCES:
patent: 2774888 (1956-12-01), Trousdale
patent: 2876366 (1959-03-01), Hussey
patent: 2972683 (1961-02-01), Lunney
patent: 3592974 (1971-07-01), DiMassimo
patent: 3969592 (1976-07-01), Pipitone et al.
patent: 3993877 (1976-11-01), Sendyk et al.
patent: 4008380 (1977-02-01), LaBorde
patent: 4063045 (1977-12-01), Greischar
patent: 4163159 (1979-07-01), Bachle et al.
patent: 4329541 (1982-05-01), Gerber, Jr.
patent: 4341991 (1982-07-01), Geboers et al.
patent: 4360710 (1982-11-01), Chaput et al.
patent: 4388499 (1983-06-01), Janssen
patent: 4390753 (1983-06-01), Janssen
patent: 4614843 (1986-09-01), Coulmance
"LSI for Telecommunications", W. D. Pace, Telecommunications, Apr. 1984, pp. 43-46 and 48.

Affiliated with

Also associated with

Rating

Telephone line switch 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 line switch, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Telephone line switch will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-484521