Telecommunications – Transmitter and receiver at same station – Radiotelephone equipment detail
Patent
1996-08-13
1999-01-26
Bost, Dwayne D.
Telecommunications
Transmitter and receiver at same station
Radiotelephone equipment detail
455569, 379420, 379432, H04B 138, H04M 100
Patent
active
058647660
ABSTRACT:
A cellular telephone battery having the functions of auto answering, hand-free listening and speaking, low power control, power wake up control, battery protection, and quick charging. The battery includes an auto-answer and hand-free control unit connected to the mainframe of the cellular telephone, a set of control buttons, a microphone, an indicator light, and a speaker respectively mounted on the outside for operation by the user to control the auto-answer and hand-free control unit, the auto-answer and hand-free control unit including an encoder/decoder/storage unit and two exchanging units controlled by the control buttons to achieve the specified functions.
REFERENCES:
patent: 4481382 (1984-11-01), Villa-Real
patent: 5333176 (1994-07-01), Burke et al.
patent: 5590414 (1996-12-01), Marui et al.
patent: 5633573 (1997-05-01), Van Phuoc et al.
patent: 5636265 (1997-06-01), O'Connell et al.
patent: 5655017 (1997-08-01), Fishman
patent: 5664012 (1997-09-01), Chen
patent: 5786106 (1998-07-01), Armani
Lifestyle Fascination, Holiday Express '95 Issue, pp. 9, Dec. 1995.
Bost Dwayne D.
Legree Tracy M.
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