Cordless portable hands-free telephone

Details Cordless portable hands-free telephone Cordless portable hands-free telephone

1995-08-09

1997-10-14

Tran, Sinh

Telephonic communications

Reception of calling information at substation in wireline...

Blocking caller id transmission

379174, 379354, 379457, H04M 1506, H04M 160, H04M 100

Patent

active

056779488

ABSTRACT:
A cordless portable telephone comprises a main apparatus (2) combining a receiver, a transmitter, an antenna (3) and a keyboard for entering a called number, a microphone and an earpiece, all attached to, or supported from a collar passing around the neck of a user.

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