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.
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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 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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