Devices for delivering information on their communications to
subscribers of telephone lines
    1.
    发明授权
    Devices for delivering information on their communications to subscribers of telephone lines 失效
    用于将其通信信息传递给电话线路的用户的设备

    公开(公告)号:US4825462A

    公开(公告)日:1989-04-25

    申请号:US128904

    申请日:1987-12-04

    IPC分类号: H04M15/28 H04M1/56 H04M15/08

    CPC分类号: H04M15/28

    摘要: The invention relates to a device for providing the subscriber of a telephone line with information on the telephone calls made on his line. This device, connected to said line, beyond the general connection terminal of the corresponding station, comprises means for detecting and recording durably the numbers called corresponding to the calls successively made in the course of a predetermined period from the station as well as the costs of these calls, and means for displaying on a video screen of the Minitel type, the sequence of these numbers and costs in response to pressing the keys of a key board.

    摘要翻译: 本发明涉及一种用于向电话线路的用户提供关于在其线路上进行的电话呼叫的信息的设备。 连接到所述线路的该设备超出对应站的通用连接终端,包括用于检测和记录与从站起预定时间段内连续进行的呼叫相对应的号码以及成本 这些呼叫以及用于在Minitel类型的视频屏幕上显示这些数字的顺序和响应于按下键盘的键的成本的装置。