发明名称 High-speed digital transmission method allowing plurality of voice services by use of single subscriber line
摘要 The present invention relates to a high-speed digital transmission method using an analog subscriber line (for example, an existing telephone-use copper cable), a subscriber accommodating system used in the high-speed digital transmission method, an accommodating device on a subscriber-terminal side and an accommodating device on an accommodating station side. The present invention includes the steps of providing a subscriber distributing device, to which a plurality of subscribers are connected, on a subscriber-terminal side of an analog subscriber line in a high-speed digital transmission method using the analog subscriber line; setting a low-frequency band part as a control channel; setting a high-frequency band part as one or a plurality of communication channels; and controlling the one or plurality of communication channels by use of the control channel. The plurality of subscribers communicate by using the same analog subscriber line.
申请公布号 US2001050917(A1) 申请公布日期 2001.12.13
申请号 US20010909808 申请日期 2001.07.19
申请人 INADA KAZUHIKO;KAJIZAKI NORIKI;KINOSHITA HIROSHI 发明人 INADA KAZUHIKO;KAJIZAKI NORIKI;KINOSHITA HIROSHI
分类号 H04M11/06;H04Q3/60;H04Q11/04;(IPC1-7):H04J3/12;H04L12/56 主分类号 H04M11/06
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