H - Electricity – 04 – B
Patent
H - Electricity
04
B
379/11, 325/17
H04B 1/38 (2006.01)
Patent
CA 1315343
RADIO TELEPHONE APPARATUS ABSTRACT OF THE DISCLOSURE A portable telephone apparatus which is capable of being selec- tively connected to an adaptor unit for transmitting a radio frequency (RF) signal at a certain power level in response to a level control sig- nal. The telephone apparatus includes an amplifier for amplifying the RF signal by a predetermined amplification factor and an antenna for radiating the amplified RF signal. An operator actuatable switch is coupled to the output of the amplifier and is selectively coupled to the antenna and the adaptor unit. A control device is coupled to the ampli- fier and the operator actuatable switch and is responsive to the level control signal for controlling the amplifier so that the amplification factor of the amplifier is fixed to a predetermined level when the oper- ator actuatable switch is in a first state and to a variable level when the actuatable switch is in a second state.
592356
Aisaka Hideki
Sawa Buntarou
Kabushiki Kaisha Toshiba
Sim & Mcburney
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