Telephone illumination circuit

Details Telephone illumination circuit Telephone illumination circuit

1984-02-27

1986-01-14

Dwyer, James L.

179 90L, H04M 122

Patent

active

045647291

ABSTRACT:
A telephone illumination circuit includes a light emitting means and current control means connected in series with the light emitting means across the telephone line. The current control means is adapted to maintain high AC impedance over the entire range of AC and DC operating voltage to protect the quality of AC voice signals on the telephone line.

REFERENCES:
patent: 3784760 (1974-01-01), Rickert

Affiliated with

Also associated with

Rating

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

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-431758