In a radio telephone system comprising a radio telephone set utilizing a rechargeable battery, and a base unit connected to the radio telepone set through a radio channel for exchanging a speech signal between the radio telephone set and a wired telephone line, there are provided a detector for detecting the charged state of the battery, a terminating device responsive to the output signal of the detector for terminating the radio channel between the radio telephone set and the base unit.
申请公布号
EP0218482(B1)
申请公布日期
1993.12.29
申请号
EP19860307670
申请日期
1986.10.03
申请人
NIPPON TELEGRAPH AND TELEPHONE CORPORATION;NEC CORPORATION;KABUSHIKI KAISHA TOSHIBA