Telephone substation transmitter muting circuit

Details Telephone substation transmitter muting circuit Telephone substation transmitter muting circuit

1982-12-20

1984-05-29

Pitts, Harold I.

179 99H, H04M 100

Patent

active

044517068

ABSTRACT:
A telephone substation transmitter muting circuit used in a substation having a hold function wherein, a transistor turns on connecting a muting network across the handset transmitter whenever the hold circuit is activated.

REFERENCES:
patent: 3794774 (1974-02-01), Kemmerly et al.
patent: 4011413 (1977-03-01), Phillips
patent: 4087638 (1978-05-01), Hayes et al.
patent: 4315108 (1982-02-01), Hoffman et al.
patent: 4406926 (1983-09-01), Duncan

Affiliated with

Also associated with

Rating

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

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1399342