Telephone call duration control

Details Telephone call duration control Telephone call duration control

1987-03-20

1988-09-13

Dwyer, James L.

Telephonic communications

Call or terminal access alarm or control

Time out

379140, H04M 1502

Patent

active

047714522

ABSTRACT:
A telephone timing device comprising a synchronous motor driven timer energized by a circuit having at least one switch activated by removing the handset from its cradle to start a time cycle. The telephone owner preselects the talking time by setting the timer which disconnects the telephone at a the predetermined time following an audible few seconds warning time to the telephone users. Once started the circuit completes each time period to reset the telephone for a subsequent talking time period. A locked housing containing the timer surrounds the telephone modular wall outlet jack.

REFERENCES:
patent: 3508392 (1970-04-01), Temps, Jr.
patent: 3590161 (1971-06-01), Jacobs
patent: 4161626 (1979-07-01), Waldo

Affiliated with

Also associated with

Rating

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

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-810708