Telecommunications – Transmitter and receiver at same station – Radiotelephone equipment detail
Reexamination Certificate
2011-07-19
2011-07-19
Trinh, Tan (Department: 2618)
Telecommunications
Transmitter and receiver at same station
Radiotelephone equipment detail
C455S420000, C455S041200, C455S552100, C455S556100
Reexamination Certificate
active
07983722
ABSTRACT:
The invention is directed at a headset for a mobile communication device having a multi-button control and is implemented with a standard headset jack. The multi-button control is decoded by a microprocessor after which an encoded signal is then transmitted from the processor to the handset. In this manner, by using the standard jack, no additional hardware is required on the handset.
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Hui Edward
Lowles Robert J.
Mak-Fan David
Cantor & Colburn LLP
Research In Motion Limited
Trinh Tan
LandOfFree
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