Safety switch for communication device

Details Safety switch for communication device Safety switch for communication device

1996-03-14

1998-03-17

Zele, Krista

Telephonic communications

Substation or terminal circuitry

For loudspeaking terminal

379390, 379395, 379420, H04M 160

Patent

active

057296049

ABSTRACT:
A communication device such as a portable wireless terminal for a telephone system having a proximity sensor to automatically switch the receiving transducer from receiver mode to loudspeaker mode. The proximity sensor is positioned in the handset such that the associated circuitry switches the transducer from loudspeaker mode to receiver mode in response to the handset being brought into proximity with the user's ear.

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