Electrical audio signal processing systems and devices – Hearing aids – electrical – Specified casing or housing
Patent
1981-12-24
1984-01-31
Schreyer, Stafford D.
Electrical audio signal processing systems and devices
Hearing aids, electrical
Specified casing or housing
179 99H, 381 80, 381 93, H04M 121, H04M 120
Patent
active
044291876
ABSTRACT:
A system for distributing signals from an audio source to key telephone station instruments is disclosed. By controlling the impedance relationship between the station instruments, lines and amplifier output, cross-feeding of signals from one station instrument to another or back-feeding of signals to the audio source is prevented.
REFERENCES:
patent: 4149042 (1979-04-01), Balzer et al.
Black Robert J.
Doktycz Charles A.
GTE Automatic Electric Labs Inc.
Schreyer Stafford D.
LandOfFree
Audio distributing system does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Audio distributing system, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Audio distributing system will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-2347033