Telephone station set interface circuit

Details Telephone station set interface circuit Telephone station set interface circuit

1976-12-21

1978-05-09

Claffy, Kathleen H.

179 81R, H04M 172

Patent

active

040888444

ABSTRACT:
A telephone station set interface circuit is disclosed which enables a conventional nonkey telephone station set to be used in place of an electronic key telephone station set for those subscribers in an electronic business communication system requiring only a call origination and a call reception capability.

REFERENCES:
patent: 3701854 (1972-10-01), Anderson et al.
patent: 3789152 (1974-01-01), Medill et al.
patent: 3789154 (1974-01-01), Medill
patent: 3914559 (1975-10-01), Knollman
patent: 3997738 (1976-12-01), Korsky et al.

Affiliated with

Also associated with

Rating

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

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-2358877