发明名称 DATA SIGNAL TRANSMISSION CONTROL APPARATUS
摘要 <p>A data signal transmission control apparatus (10) includes a connection unit (17) for connecting a plurality of first lines and one or more second lines which are contained in a switching apparatus (PBX (a)) between the first lines and the second lines for transmitting an audio signal, a control unit (18) for controlling the connection operation of the connection unit, and isolation/insertion units (15, 16) for isolating a data signal flowing on one of the lines connected by the connection unit and inserting it onto the other line. By using an ADSL modem, a splitter, and the transmission control apparatus (10), it is possible to prepare a connection environment to the Internet for each telephone installation place (such as rooms in a hotel) without modifying the telephone extension line system using the PBX (a).</p>
申请公布号 WO2004080048(A1) 申请公布日期 2004.09.16
申请号 WO2003JP02667 申请日期 2003.03.06
申请人 FUJITSU LIMITED;KAWAMOTO, MASATSUGU;UCHIBA, MAKOTO;YAMADA, KENJI;FUKUDA, NAOKI;HIGASHIHARA, YUJI 发明人 KAWAMOTO, MASATSUGU;UCHIBA, MAKOTO;YAMADA, KENJI;FUKUDA, NAOKI;HIGASHIHARA, YUJI
分类号 H04L12/28;H04M11/06;H04Q3/62;(IPC1-7):H04M11/00;H04L12/00;H04Q3/58 主分类号 H04L12/28
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