发明名称 |
MODEM UNIT |
摘要 |
A modem unit is adapted to be coupled between a land or radio telephone line and a terminal equipment, and is provided with a modem circuit for modulating data received from the terminal equipment and for demodulating data transmitted to the terminal equipment, and an isolation circuit for providing a DC isolation between the telephone line and the terminal equipment. The modem circuit and the isolation circuit are respectively provided on a single modem integrated circuit card. |
申请公布号 |
CA2091958(C) |
申请公布日期 |
1998.04.07 |
申请号 |
CA19932091958 |
申请日期 |
1993.03.18 |
申请人 |
FUJITSU LIMITED |
发明人 |
MARUO, NOBUHIDE;NARITA, YOSHIAKI;ARAI, YASUHIRO |
分类号 |
H01M2/10;H04M11/06;(IPC1-7):H04B1/40;H04Q7/20 |
主分类号 |
H01M2/10 |
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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