Plantronics, Inc.

Richard Hensolt

Paul L Regen

Anna Marie Puentes

A headset telephone having an in-use indicator for notifying passers-by when the wearer of the headset is carrying on a telephone conversation. In one embodiment of the invention, an in-use indicator comprising a light-emitting diode is disposed on the end of the headset's voice boom, and is illuminated in response to activation of the headset. In another embodiment of the invention, activation of the headset causes a transmitter to transmit a signal to a remote in-use indicator not physically connected to the remainder of the telephone system.

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Ben Lomond, CA, United States of America

Richard Hensolt