Hook-off detection device for a telephone handset

Details Hook-off detection device for a telephone handset Hook-off detection device for a telephone handset

1990-10-31

1992-10-27

Dwyer, James L.

Telephonic communications

Terminal

Switch or switch actuator structure

379427, 379448, H04M 100

Patent

active

051596288

ABSTRACT:
A device for detecting the hooking off of a telephone handset from a telephone set body, comprises an elongated part (8) provided with hinges (11) rotating around a longitudinal axis (10); a key (6), constituted by a lateral extension of said part and positioned so as to protrude through the upper wall of the body in a raised position; a return spring (15) for urging said key in a raised position; and a push-button switch (12) fixed on said part, the button (13) of which glides on an internal surface of the base to pass from a first state to a second state when the handset is hooked off and on.

REFERENCES:
patent: 4188512 (1980-02-01), Lord
patent: 4436964 (1984-03-01), Haskins
patent: 4614845 (1986-09-01), Conlon
patent: 4638126 (1987-01-01), Breu et al.
patent: 4674120 (1987-06-01), Heldenbrand
patent: 4692940 (1987-09-01), Banes
patent: 4696033 (1987-09-01), Else
patent: 4727573 (1988-02-01), Kakuta et al.
patent: 4874912 (1989-10-01), Kakura et al.

Affiliated with

Also associated with

Rating

Hook-off detection device for a telephone handset does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Hook-off detection device for a telephone handset, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Hook-off detection device for a telephone handset will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-911543