H - Electricity – 04 – B
Patent
H - Electricity
04
B
325/17
H04B 1/40 (2006.01) H04B 1/16 (2006.01) H04M 1/725 (2006.01)
Patent
CA 2004675
ABSTRACT OF THE DISCLOSURE A radio telephone apparatus, such as a car telephone, and the method of controlling a radio telephone apparatus in which the OFF operation of a power source switch caused by an erroneous operation is inhibited when the radio telephone is in a talk mode. In more detail, the ON or OFF state of the power source switch is detected as well as whether or not the apparatus is in the talk mode, so that the switching of a power source line switch to its OFF state by means of the power source switch is inhibited in the talk mode and allowed only in a non-talk mode. Further, an ON/OFF function of a power supply of the apparatus as well as, for example, a muting function which is necessary only in the talk mode and which acts to attenuate a transmission talk voice, are allocated to one of keys in a dial keypad. The ON or OFF state of the allocated function key is detected to perform muting control based on the ON or OFF output of the function key in the talk mode and to perform ON/OFF control of the apparatus power supply in the non-talk mode.
Ishii Takaaki
Kuge Toru
Kabushiki Kaisha Toshiba
Marks & Clerk
LandOfFree
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