Loudspeaker volume range control

Details Loudspeaker volume range control Loudspeaker volume range control

2006-02-28

2006-02-28

Harold, Jefferey F. (Department: 2646)

Telephonic communications

Substation or terminal circuitry

For loudspeaking terminal

C379S390030, C379S395000

Reexamination Certificate

active

07006624

ABSTRACT:
The present invention relates to a loudspeaker volume control arrangement for a telephone having a loudspeaker and a microphone which controls the loudspeaker volume of the telephone based on the estimated distance between the microphone and the loudspeaker.

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