发明名称 Cordless telephone.
摘要 A cordless telephone is arranged such that upon communication a communication channel is opened between a master station (2) and a remote station (1) by a radio wave and the master station (2) is connected to a telephone line network (3) to make a telephone conversation between the remote station (1) and the party to ba called, the remote station (1) for intermittently receiving a predetermined channel in the standby mode, the remote station (1) being placed in a sleep mode when the remote station (1) does not receive such predetermined channel intermittently, the master station (2) informs the remote station (1) of an incoming call when the incoming call arrives, and an information of a vacant channel is exchanged between the master and remote stations (2, 1) when the master and remote stations (2, 1) are both in operative condition and in a predetermined time except for telephone communication, wherein a channel which is a vacant channel for both of the master and remote stations (2, 1) is registered in the cordless telephone as the predetermined channel. <IMAGE>
申请公布号 EP0433166(A2) 申请公布日期 1991.06.19
申请号 EP19900403536 申请日期 1990.12.11
申请人 SONY CORPORATION 发明人 YAMAGATA, MASATO;TANAKA, YOSHIKAZU
分类号 H04M1/725;H04M1/73 主分类号 H04M1/725
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