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    • 1. 发明申请
    • MULTIPLEXING OVER TWISTED PAIRS
    • 多对复数对
    • WO9641442A2
    • 1996-12-19
    • PCT/US9608919
    • 1996-06-03
    • RAYCHEM CORPBALATONI NICHOLAS A
    • BALATONI NICHOLAS A
    • H04L5/02
    • H04L5/02
    • A method and apparatus for transmitting and receiving signals for at least four channels between a telephone company location and a customer premises over a single twisted pair. At least four signal sources output at least four signals to a central office terminal unit or line card at the telephone company location. The line card receives and converts the at least four signals into a 288 kbps multiplexed binary signal, converts the multiplexed binary signal into a 2B1Q or 4B3T signal for transmission to the customer premises over a single twisted pair for use by a remote terminal.
    • 一种用于通过单个双绞线在电话公司位置和客户驻地之间发送和接收至少四个信道的信号的方法和装置。 至少四个信号源将至少四个信号输出到电话公司位置的中心局终端单元或线路卡。 线卡接收并将至少四个信号转换成288kbps的多路复用二进制信号,将多路复用的二进制信号转换成2B1Q或4B3T信号,以通过单个双绞线传输到客户驻地,供远程终端使用。
    • 3. 发明申请
    • VOICE AND DATA COMMUNICATIONS
    • 语音和数据通信
    • WO1996029814A1
    • 1996-09-26
    • PCT/US1996003727
    • 1996-03-19
    • RAYCHEM CORPORATIONBALATONI, Nicholas, A.ERREYGERS, Jan
    • RAYCHEM CORPORATION
    • H04M11/00
    • H04L5/1492H04L5/02H04M1/253H04M11/068H04Q11/04H04Q2213/13034H04Q2213/13106H04Q2213/1319H04Q2213/13202H04Q2213/13216H04Q2213/13292H04Q2213/1332H04Q2213/13322H04Q2213/13381
    • A method and apparatus (200) for converting an analog voice channel signal and a 4-wire digital signal into a single 2-wire digital signal which can be transferred over a single twisted pair line (205). In one aspect, the method comprises the steps of converting the analog voice channel signal into a first binary signal, converting the 4-wire digital signal into a second binary signal, combining the first binary signal and the second binary signal into a higher rate binary signal, and converting the higher rate binary signal into a 2-wire digital signal which can be transmitted to another location over a single twisted pair line. In another aspect, the method comprises the steps of converting a 2-wire digital signal to a higher rate binary signal, separating a first binary signal and a second binary signal from the higher rate binary signal and converting the first binary signal into an analog voice channel signal, and converting the second binary signal into a 4-wire digital signal. The apparatus (200) includes an easily installed voice plus digital data remote terminal (203) and voice plus digital data central office terminal (201). The apparatus can provide a 3-to-1 pair gain by multiplexing signals representing the analog voice telephone signals and 4-wire digital data signals.
    • 一种用于将模拟语音信号信号和4线数字信号转换成可以通过单个双绞线(205)传送的单个2线数字信号的方法和装置(200)。 一方面,该方法包括以下步骤:将模拟语音信道信号转换为第一二进制信号,将4线数字信号转换为第二二进制信号,将第一二进制信号和第二二进制信号组合成较高速率的二进制信号 信号,并将较高速率的二进制信号转换成可通过单根双绞线传输到另一位置的2线数字信号。 在另一方面,该方法包括以下步骤:将2线数字信号转换为较高速率的二进制信号,从较高速率二进制信号中分离第一二进制信号和第二二进制信号,并将第一二进制信号转换为模拟语音 并将第二二进制信号转换为4线数字信号。 装置(200)包括容易安装的语音加数字数据远程终端(203)和语音加数字数字中心局终端(201)。 该装置可以通过复用表示模拟语音电话信号和4线数字数据信号的信号来提供3对1对增益。