发明名称 |
Downsized facsimile machine using semiconductor DAA |
摘要 |
A facsimile machine having a semiconductor DAA provided in a line I/F part performing facsimile data communication with a network includes a tone signal reception part in the form of a semiconductor device. The tone signal reception part is provided in the semiconductor DAA and receives a tone signal with high impedance through a path different from a path for receiving the facsimile data. The tone signal is supplied from the network or a downstream device.
|
申请公布号 |
US7139104(B2) |
申请公布日期 |
2006.11.21 |
申请号 |
US20020212540 |
申请日期 |
2002.08.05 |
申请人 |
RICOH COMPANY, LTD. |
发明人 |
OKABE SHOUJI |
分类号 |
H04N1/00;H04N1/32;H04M1/00;H04M11/00;H04M11/06;H04N1/327 |
主分类号 |
H04N1/00 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|