Telecommunications – Transmitter and receiver at same station – Radiotelephone equipment detail
Patent
1997-10-15
1999-12-21
Loomis, Paul
Telecommunications
Transmitter and receiver at same station
Radiotelephone equipment detail
455569, 455563, 2791101, 279420, 279430, H04B 138, H04M 100
Patent
active
060061154
ABSTRACT:
A pair of wireless headphones receives radio frequency transmissions from a sound system to provide music and other audio programming to a user who is free to move anywhere within the range of the transmissions. A telephone base unit also broadcasts notification of incoming phone calls to the wireless headphones. The headphones may provide an audio signal over or instead of the audio programming to notify the user of the incoming call. The headphones may also incorporate a microphone so that the user can receive the phone call with the headphones.
REFERENCES:
patent: 4653087 (1987-03-01), Galich
patent: 4907266 (1990-03-01), Chen
patent: 4928302 (1990-05-01), Kaneuchi et al.
patent: 5694497 (1997-12-01), Young, III
Kananen Ronlad P.
Loomis Paul
Sony Corporation
Sony Electronics Inc.
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