Radio telephone apparatus

Details Radio telephone apparatus Radio telephone apparatus

H - Electricity

04

M

379/11, 340/124

H04M 1/22 (2006.01) H04M 1/727 (2006.01)

Patent

CA 1271575

Abstract of the Disclosure A radio telephone apparatus is assigned with an identification code beforehand and includes a parent unit and a radio telephone set both storing this identification code. When the radio telephone set is put on the parent unit, a charging path through which a battery of the radio telephone set is charged by a charger of the parent unit and a data channel through which data is transmitted/received between control circuits of the parent unit and the radio telephone set are formed. The control circuit of the parent unit transmits an identification code request signal to the radio telephone set in response to a charging start signal from the charger. The control circuit of the radio telephone set sends back the identification code stored therein. The parent unit compares the received identification code with the identification code stored therein. If the two identification codes are not coincident with each other, the parent unit controls an alarm unit to generate an alarm.

550553

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