Patent
1983-06-16
1985-02-05
Rubinson, Gene Z.
179100L, H04M 908
Patent
active
044979800
ABSTRACT:
A handsfree or loudspeaking telephone circuit employing loudest speaker comparison for controlling the direction of transmission of speech signals. The circuit employs the speech network for the handset to provide gain and hybrid functions. The circuit contains logic for controlling the switching between handset operation, handsfree operation and call announcing operation.
REFERENCES:
patent: 4115659 (1978-09-01), Spanel et al.
Gorman Patrick R.
Stottlemyer William O.
Dwyer James L.
ITT Corporation
Morris Jeffrey P.
O'Halloran John T.
Rubinson Gene Z.
LandOfFree
Handsfree circuit for telephone instrument does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Handsfree circuit for telephone instrument, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Handsfree circuit for telephone instrument will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-2083936