Patent №
US 4,879,746
Granted
1989-11-07
Filed 1987
Owner
PLANTRONICS, INC., 337 ENCINAL STREET, SANTA CRUZ, CALIFORNIA 95060-1802, A CORPORATION OF DELAWARE
Lab
—
AI components
1
speech
Assignment
Recorded
Dataset
AIPD
2023_r1 edition
Application
07139853
Apparatus is provided for interfacing a voice communication instrument, e.g. headset, to a communication link, e.g. a telephone line. The interface includes a transmit channel having amplification, frequency shaping and voice switching to suppress background noise. The interface includes a receive channel having compression limiting as a function of the received signal amplitude and frequency. The interface further includes a power-down circuit and a low battery indicator.
AI classification
Ownership
PLANTRONICS, INC., 337 ENCINAL STREET, SANTA CRUZ, CALIFORNIA 95060-1802, A CORPORATION OF DELAWARE
assignment · 48760296
Assignors
YOUNG, ROBERT F., KRAZ, VLADIMIR
On an employer assignment, the assignors are typically the inventors.