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    • 3. 发明公开
    • Telephone set
    • Fernsprechstelle
    • EP1185059A2
    • 2002-03-06
    • EP01307335.8
    • 2001-08-29
    • SONY CORPORATION
    • Ichiyama, Yoshihito, c/o Sony Corporation
    • H04M1/82H04M11/06
    • H04N1/32708H04M1/82H04N1/32704H04N1/32726H04N1/32728H04N1/32756
    • To enable the simple and satisfactory connection of a plurality of telephone sets, data communication devices and similar to a single telephone line. A telephone set comprises a telephone circuitry portion, connected to a telephone line via switching means; an external equipment terminal, connected to the telephone line via switching means; line capture detection means which detects capture of the telephone line by a device connected to the external equipment terminal; and control means, which causes the first switching means, to be disconnected while the line capture detection means detects line capture, causes the second switching means, to be disconnected while telephone line capture by the telephone circuitry portion is detected, and causes the switching means to all be in the connected state when neither line capture is detected.
    • 为了实现多个电话机,数据通信设备和类似于单个电话线路的简单和令人满意的连接。 一种电话机包括经由切换装置连接到电话线路的电话线路部分; 外部设备终端,经由交换装置连接到电话线; 线捕获检测装置,其通过连接到外部设备终端的设备检测电话线的捕获; 以及当所述线路捕获检测装置检测到线路捕获时使所述第一开关装置断开的控制装置,使得所述第二切换装置在被所述电话电路部分的电话线路捕获时被检测到而被断开,并且使所述切换装置 当没有检测到线捕获时,都处于连接状态。