US PATENT SUBCLASS 379 / 420
.~ Having loudspeaking conversation capability (e.g., hands-free type or speakerphone)
Current as of:
June, 1999
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379 /
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TELEPHONIC COMMUNICATIONS
419
DF
TERMINAL
{4}
420
.~ Having loudspeaking conversation capability (e.g., hands-free type or speakerphone)
DEFINITION
Classification: 379/420
Having loudspeaking conversation capability (e.g., hands-free type or speakerphone):
(under subclass 419) Subject matter which permits conversation with a user without physical contact with the terminal.
SEE OR SEARCH THIS CLASS, SUBCLASS:
388+, for circuitry particularly designed for a loudspeaking terminal.