H - Electricity – 04 – B
Patent
H - Electricity
04
B
325/17
H04B 1/16 (2006.01) H04B 1/38 (2006.01) H04Q 7/32 (2006.01) H04Q 7/38 (2006.01)
Patent
CA 1286726
ABSTRACT OF THE DISCLOSURE A mobile telephone terminal includes a portable- unit and an adaptor which is capable of mounting the portable-unit on a vehicle and supplying power from a vehicle battery to the portable-unit. The adapter includes a power switch manually generating a switch signal and a delay circuit which delays the switch signal by a predetermined period of time when the telephone terminal is in a communication state and the power switch is depressed in place of a call end key. The portable-unit initiates a call clear process in response to the switch signal and during the predetermined period of time performs and completes the call clear process. Then, in response to the delayed switch signal, a transistor switch circuit stops power supply from the vehicle battery to the portable- unit. In the call clear process, the portable-unit transmits a call clear signal to a base station over a radio channel used and turns off its radio frequency section. The call clear process makes the used radio channel available for other parties immediately after the call finishes.
597185
Corporation Nec
G. Ronald Bell & Associates
LandOfFree
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