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1. 发明授权

US06845125B2 xDSL transceiver 失效
标题翻译： xDSL收发器
公开(公告)号：US06845125B2
公开(公告)日：2005-01-18
申请号：US09725372
申请日：2000-11-29
申请人： Takashi Sasaki , Masato Hori , Kumiko Maruo , Akira Oshima , Noriyasu Suzuki , Yoichi Ueda
发明人： Takashi Sasaki , Masato Hori , Kumiko Maruo , Akira Oshima , Noriyasu Suzuki , Yoichi Ueda
IPC分类号： H04J11/00 , H04B3/20 , H04B3/23 , H04B3/32 , H04L27/26 , H03H7/30
CPC分类号： H04B3/23 , H04L27/2647
摘要： An xDSL transceiver comprising a transmission unit for transmitting a DMT-modulated signal through a subscriber line as a transmission path and a receiving unit for receiving the DMT-modulated signal from the subscriber line. The xDSL transceiver further comprises an echo signal suppression unit for suppressing the echo signal from the transmission unit to the receiving unit by matching the phase between the frame of the transmission signal and the frame of the receiving signal.
摘要翻译：一种xDSL收发器，包括用于通过用户线路发送DMT调制信号作为传输路径的发送单元和用于从用户线路接收DMT调制信号的接收单元。 xDSL收发器还包括回波信号抑制单元，用于通过匹配发送信号的帧与接收信号的帧之间的相位来抑制从发送单元到接收单元的回波信号。

2. 发明授权

US06778595B1 ADSL modem 失效
标题翻译： ADSL调制解调器
公开(公告)号：US06778595B1
公开(公告)日：2004-08-17
申请号：US09641124
申请日：2000-08-16
申请人： Yasuhiro Arai , Kumiko Maruo , Masato Hori , Takashi Sasaki , Akira Oshima
发明人： Yasuhiro Arai , Kumiko Maruo , Masato Hori , Takashi Sasaki , Akira Oshima
IPC分类号： H04M1100
CPC分类号： H04M11/062
摘要： An ADSL modem connected to the telephone line is disclosed, which even in the case where a plurality of ADSL modems are connected to a single telephone line installed in a SOHO application or in the home of an ordinary user, a stable high-speed data communication can be realized without superposing the signals between the ADSL models or without causing any impedance mismatch. An ADSL band signal detector (11) detects whether the ADSL frequency band is occupied by another ADSL modem connected to the telephone line or not. Upon detection that the ADSL frequency is so occupied, a control unit (12, 13) suppresses the application of the signal energy to the ADSL frequency band.
摘要翻译：公开了连接到电话线的ADSL调制解调器，即使在将多个ADSL调制解调器连接到安装在SOHO应用中的单个电话线路或普通用户的家庭中的情况下，也可以使用稳定的高速数据通信可以在不叠加ADSL模型之间的信号的情况下实现，也可以不引起任何阻抗失配。 ADSL频带信号检测器（11）检测ADSL频带是否被连接到电话线的另一个ADSL调制解调器所占用。在检测到ADSL频率如此被占用时，控制单元（12,13）抑制对ADSL频带的信号能量的应用。

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