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1. 发明授权

US4504943A Time domain multiplexer 失效
标题翻译：时域多路复用器
公开(公告)号：US4504943A
公开(公告)日：1985-03-12
申请号：US408806
申请日：1982-08-17
申请人： Katsuyuki Nagano , Yasushi Takahashi , Yoshitaka Takasaki , Mitsuo Tanaka
发明人： Katsuyuki Nagano , Yasushi Takahashi , Yoshitaka Takasaki , Mitsuo Tanaka
IPC分类号： H04J3/06 , H04J3/16 , H04J3/22 , H04L5/22 , H04J3/00
CPC分类号： H04J3/1629 , H04L5/22
摘要： In order to enhance the general purposeness of a time domain multiplexer for digital channel signals of unequal bit rates, the time domain multiplexer is constructed of a plurality of channel units which provide information signals and bit rate signals of input channel signals, a plurality of logic circuits which multiplex the information signals from the channel units, and a control circuit which selects and combines the logic circuits in accordance with the bit rate signal so as to construct a multiplexer conforming with the bit rate.
摘要翻译：为了增强时域多路复用器对不同比特率的数字信道信号的一般目的性，时域多路复用器由多个信道单元构成，这些信道单元提供输入信道信号的信息信号和比特率信号，多个逻辑多路复用来自信道单元的信息信号的电路，以及根据比特率信号选择并组合逻辑电路以构成符合比特率的多路复用器的控制电路。

2. 发明授权

US4503546A Pulse signal transmission system 失效
标题翻译：脉冲信号传输系统
公开(公告)号：US4503546A
公开(公告)日：1985-03-05
申请号：US471128
申请日：1983-03-01
申请人： Hiroki Yoshine , Yoshitaka Takasaki , Yasushi Takahashi , Mitsuo Yamada , Katsuyuki Nagano
发明人： Hiroki Yoshine , Yoshitaka Takasaki , Yasushi Takahashi , Mitsuo Yamada , Katsuyuki Nagano
IPC分类号： H03M5/16 , H04B10/07 , H04B10/524 , H04B10/556 , H04B10/564 , H04L25/49 , H04L25/493 , H03K13/02
CPC分类号： H04L25/4906 , H04L25/49
摘要： A two-level alternate mark inversion signal transmission system wherein binary pulses of "1" and "0" levels are converted into a pulse signal in which one coded information value has its polarity inverted at a period T and the other has its polarity reversed at a period T/2, and the converted signal is transmitted. In order to facilitate an automatic gain control operation and the proper and reliable extraction of a timing signal on the receiving side of the system even when the zero binary pulses have successively arisen in the signal processed on the transmitting side, the alternate mark inversion signal is converted into a specified code (zero substitution) signal when the zero binary pulses have succeeded one another for a predetermined number of times, while on the receiving side, a received signal is subjected to duobinary shaping, whereupon the zero substitution part is detected for removal by utilizing the rules of the zero substitution process and the alternate mark inversion signal.
摘要翻译：一种二电平交替标记反转信号传输系统，其中将“1”和“0”电平的二进制脉冲转换为脉冲信号，其中一个编码信息值的极性在周期T被反转，另一个的极性反转为周期T / 2，并且转换的信号被发送。为了便于自动增益控制操作，并且即使当在发送侧处理的信号中连续出现零二进制脉冲时，系统的接收侧的定时信号的适当可靠的提取，交替标记反转信号当零二进制脉冲彼此成功达预定次数时，转换为指定代码（零替换）信号，而在接收侧，对接收信号进行二进制整形，由此检测零替换部分以进行去除通过利用零替换过程和替代标记反转信号的规则。

3. 发明授权

US4410980A Time division multiplexing system 失效
标题翻译：时分复用系统
公开(公告)号：US4410980A
公开(公告)日：1983-10-18
申请号：US289106
申请日：1981-07-31
申请人： Yoshitaka Takasaki , Mitsuo Tanaka
发明人： Yoshitaka Takasaki , Mitsuo Tanaka
IPC分类号： H04J3/00 , H04J3/06 , H04J3/07 , H04J3/16 , H04L5/22 , H04L5/24 , H04L25/49 , H04J3/18
CPC分类号： H04J3/16 , H04J3/073 , H04L25/4912 , H04L5/24
摘要： In a time division multiplexing system for multiplexing a plurality of channels having mutually-independent bit rates, the improvement wherein the pulse signals of each channel are converted into codes so that the information "1" is represented by a pulse having a width of two consecutive transmission clock periods ("0,0" or "1,1") the information "0" is represented by a pluse having a width of a single transmission clock period ("0" or "1"), and polarities of adjacent pulses are always different from each other; the pulse signals are compressed time-wise in a frame unit; and a frame synchronizing signal and a channel synchronizing signal, each consisting of marks or spaces having a duration of at least three consecutive transmission clock periods, are added to the intervals between the time-compressed frames to thereby perform time division multiplexing.
摘要翻译：在用于对具有相互独立的比特率的多个信道进行多路复用的时分复用系统中，每个信道的脉冲信号被转换成代码的改进，使得信息“1”由具有两个连续宽度的脉冲表示传输时钟周期（“0,0”或“1,1”）信息“0”由具有单个传输时钟周期（“0”或“1”）的宽度的宽带和相邻脉冲的极性总是相互不同; 脉冲信号以帧为单位被时间压缩; 并且每个由具有至少三个连续传输时钟周期的持续时间的标记或空间组成的帧同步信号和信道同步信号相加在时间压缩帧之间的间隔中，从而进行时分复用。

4. 发明授权

US4604745A Method of searching fault locations in digital transmission line 失效
标题翻译：数字传输线故障位置检索方法
公开(公告)号：US4604745A
公开(公告)日：1986-08-05
申请号：US578791
申请日：1984-02-10
申请人： Yoshitaka Takasaki , Kiichi Yamashita , Yasushi Takahashi
发明人： Yoshitaka Takasaki , Kiichi Yamashita , Yasushi Takahashi
IPC分类号： H04B17/40 , H04L1/24 , H04B3/46
CPC分类号： H04L1/24 , H04B17/40
摘要： A method of searching fault locations which is employed in a transmission system comprising a transmitting terminal having a transmitter for transmitting a digital signal; a receiving terminal having a receiver for receiving the digital signal; a plurality of repeaters which are placed between the transmitting and receiving terminals, and each of which receives and amplifies the digital signal from a preceding repeater section and deliver it to a subsequent repeater section; and a plurality of transmission lines for connecting the transmitter with the first repeater, the repeaters with each other and the final repeater with each other and the final repeater with the receiver, respectively. This method comprises the steps of coding an original signal to be transmitted in terms of two kinds of error detecting codes at the transmitting terminal to send out them from the transmitter; detecting an error of a received signal using one of the two kinds of error detecting codes at each repeater thereby to measure the error rate at one repeater section corresponding to each repeater; recoding a decoded received signal using the error detecting code employed to detect the error, and delivering it to a subsequent repeater section, and transmitting signals each of which represents the error rate at each repeater section measured at each repeater, to the transmitting terminal or receiving terminal.
摘要翻译：一种搜索故障位置的方法，该传输系统包括具有用于发送数字信号的发射机的发射终端; 接收终端，具有接收数字信号的接收机; 放置在发送和接收终端之间的多个中继器，每个中继器从前一个中继器部分接收和放大数字信号，并将其传送到后续中继器部分; 以及多个传输线，用于将发射机与第一中继器连接，中继器彼此相连，最后中继器彼此相连，最后中继器分别与接收机相连。该方法包括以下步骤：在发送终端根据两种错误检测码对要发送的原始信号进行编码，以从发送器发送出来; 使用每个中继器的两种错误检测码之一检测接收信号的误差，从而测量与每个中继器对应的一个中继器部分的错误率; 使用用于检测误差的检错码重新编码解码的接收信号，并将其传送到后续中继器部分，并且将发送信号分别表示在每个中继器测量的每个转发器部分处的错误率，发送到发送终端或接收终奌站。

5. 发明授权

US5121381A Optical switching apparatus for digital signal cross connection and method of interswitch optical transmission of digital signals 失效
标题翻译：数字信号交叉用光开关装置及数字信号交会间光传输方法
公开(公告)号：US5121381A
公开(公告)日：1992-06-09
申请号：US397553
申请日：1989-08-23
申请人： Yasushi Takahashi , Yoshitaka Takasaki
发明人： Yasushi Takahashi , Yoshitaka Takasaki
IPC分类号： G02F1/313 , H04B10/032 , H04B10/27 , H04J14/02 , H04Q3/52 , H04Q11/00 , H04Q11/02
CPC分类号： H04J14/02 , H04Q11/0001 , H04J14/029 , H04Q2011/0081
摘要： Disclosed is an optical switching apparatus comprising means for converting serial optical or electrical signals into parallel signals in a time division mode, first and second time division switch groups and a space division switch group for cross connecting the signal of the optical or electrical signals, and means for generating the edited optical or electrical signals as serial signals again.
摘要翻译：公开了一种光开关装置，包括用于将串行光信号或电信号以时分模式转换为并行信号的装置，第一和第二时分开关组以及用于交叉连接光信号或电信号的信号的空分开关组，以及用于将编辑的光学或电信号再次生成为串行信号的装置。

6. 发明授权

US5042027A Communication network system and method of controlling a communication network 失效
标题翻译：通信网络系统和控制通信网络的方法
公开(公告)号：US5042027A
公开(公告)日：1991-08-20
申请号：US404535
申请日：1989-09-08
申请人： Akihiko Takase , Masahiro Takatori , Yoshiaki Takemura , Naoya Kobayashi , Yasushi Sawada , Yukio Nakano , Yasushi Takahashi , Masahiro Koya , Yoshitaka Takasaki
发明人： Akihiko Takase , Masahiro Takatori , Yoshiaki Takemura , Naoya Kobayashi , Yasushi Sawada , Yukio Nakano , Yasushi Takahashi , Masahiro Koya , Yoshitaka Takasaki
IPC分类号： H04M3/36 , H04L12/24 , H04L12/801 , H04L12/911 , H04M3/00 , H04Q3/66
CPC分类号： H04L45/00 , H04Q3/66 , H04Q2213/13141 , H04Q2213/13164 , H04Q2213/13166 , H04Q2213/13332 , H04Q2213/13353
摘要： A communication network system includes a communication line, a plurality of communication stations each having a node coupled to the communication line and a network controller coupled to the stations for controlling routing for communication messages between nodes. In one embodiment, the messages are sent from plural terminals connected with each node along with communication performance prerequisites. The communication performance prerequisites for a communication message are discriminated in the node which receives the message. Traffic in various routes between the nodes is continually measured in the communication stations and the measuring results are stored in a database storage unit. Future traffic in the various routes is predicted on the basis of the information on the continually measured traffic by the use of a predetermined algorithm and stored in the storage unit for use in determination of routes for communication messages on the basis of the result of the communication performance prerequisites discrimination and predetermined criteria with respect to the updated information on the predicted traffic in the storage unit.
摘要翻译：通信网络系统包括通信线路，多个通信站，每个通信站具有耦合到通信线路的节点，以及耦合到该站点的网络控制器，用于控制节点之间的通信消息的路由。在一个实施例中，从与每个节点连接的多个终端以及通信性能先决条件发送消息。通信消息的通信性能先决条件在接收消息的节点中被区分。在通信站中连续测量节点之间的各种路由的流量，并将测量结果存储在数据库存储单元中。基于通过使用预定算法的连续测量的业务的信息来预测各种路线中的未来业务，并且存储在存储单元中以用于基于通信的结果确定通信消息的路由性能先决条件判定和关于存储单元中预测业务量的更新信息的预定标准。

7. 发明授权

US4970719A Digital signal multiplexing apparatus 失效
标题翻译：数字信号复用装置
公开(公告)号：US4970719A
公开(公告)日：1990-11-13
申请号：US233095
申请日：1988-08-17
申请人： Akihiko Takase , Yoshitaka Takasaki
发明人： Akihiko Takase , Yoshitaka Takasaki
IPC分类号： H04J3/16
CPC分类号： H04J3/1641 , Y10S370/916
摘要： A digital signal multiplexing apparatus comprising variable multiplexers each of which can alter a multiplexed channel format every call in compliance with a subscriber's request, a fixed multiplexer which has a multiplexing capacity integral times as large as the total multiplexing capacity of the variable multiplexers and the multiplexed channel format of which is fixed, and fixed multiplexed signal demultiplexers each of which fixedly demultiplexes signals in a capacity integral times as large as that of each of the variable multiplexers into signals in a capacity equal to the total capacity of the variable multiplexers, wherein the outputs of the fixed multiplexed signal demultiplexers are distributed to the variable multiplexers through a distributing switch network, and the outputs of the variable multiplexers are multiplexed by the fixed multiplexer.
摘要翻译：一种数字信号复用装置，包括可变多路复用器，每个可以根据用户的请求改变每个呼叫的多路复用信道格式，固定多路复用器具有与可变多路复用器的总复用容量一样大的复用容量，信道格式固定的固定多路复用信号解复用器，其中固定多路复用信号解复用器固定地将电容量与每个可变多路复用器的整数倍的电容多路分解成等于可变多路复用器的总容量的信号，其中，固定复用信号解复用器的输出通过分配交换网络分配给可变多路复用器，并且可变多路复用器的输出由固定多路复用器复用。

8. 发明授权

US4723312A Light emitting diode driver circuit 失效
标题翻译：发光二极管驱动电路
公开(公告)号：US4723312A
公开(公告)日：1988-02-02
申请号：US769971
申请日：1985-08-27
申请人： Kiichi Yamashita , Katsuyoshi Harasawa , Yoshitaka Takasaki
发明人： Kiichi Yamashita , Katsuyoshi Harasawa , Yoshitaka Takasaki
IPC分类号： H01L33/00 , H04B9/00
CPC分类号： H04B10/502
摘要： A high-speed light emitting diode driver circuit for optical communication systems, in which an impedance circuit is provided between the collector and emitter of a drive transistor, and another impedance circuit is provided on the emitter side. The light emitting diode is connected to the collector side of the drive transistor. The light emitting diode is driven by an input pulse signal applied to the base of the drive transistor.
摘要翻译：用于光通信系统的高速发光二极管驱动电路，其中阻抗电路设置在驱动晶体管的集电极和发射极之间，另一个阻抗电路设置在发射极侧。发光二极管连接到驱动晶体管的集电极侧。发光二极管由施加到驱动晶体管的基极的输入脉冲信号驱动。

9. 发明授权

US4320527A Bit synchronizing system for pulse signal transmission 失效
标题翻译：位同步系统用于脉冲信号传输
公开(公告)号：US4320527A
公开(公告)日：1982-03-16
申请号：US66643
申请日：1979-08-15
申请人： Yoshitaka Takasaki
发明人： Yoshitaka Takasaki
IPC分类号： H04L7/02 , H04L7/033 , H04L7/04 , H03B3/04 , H03K5/00
CPC分类号： H04L7/033 , H04L7/007 , H04L7/041
摘要： A bit synchronizing system for generating a timing signal corresponding to a transmitted pulse signal is disclosed in which the transmitted pulse signal is converted into a signal in which the number of pulses successively assuming the same polarity is limited to permit detection of frequency, the converted signal is integrated, a peak of integrated values is detected, the output of a voltage-controlled clock generator for generating the timing signal is processed in a similar manner to detect a peak with respect to the output, and the clock generator is controlled by a voltage corresponding to a difference between these two peaks, whereby the frequency of clock signal coincides with the bit rate of the transmitted pulse signal.
摘要翻译：公开了一种用于产生与发送的脉冲信号相对应的定时信号的位同步系统，其中发送的脉冲信号被转换成其中连续假设相同极性的脉冲数被限制以允许检测频率的信号，转换的信号被集成，检测到积分值的峰值，以类似的方式处理用于产生定时信号的电压控制时钟发生器的输出，以检测相对于输出的峰值，并且时钟发生器由电压对应于这两个峰值之间的差值，由此时钟信号的频率与发送的脉冲信号的比特率一致。

10. 发明授权

US5121244A Optical subscriber network transmission system 失效
标题翻译：光用户网络传输系统
公开(公告)号：US5121244A
公开(公告)日：1992-06-09
申请号：US323711
申请日：1989-03-15
申请人： Yoshitaka Takasaki
发明人： Yoshitaka Takasaki
IPC分类号： H04B10/00 , H04B10/032 , H04B10/27
CPC分类号： H04J14/0291 , H04B10/032 , H04J14/0279
摘要： An optical subscriber network transmission system comprises a first optical transmission line transmitting information from center to a subscriber and a second optical transmission line transmitting information from to the subscriber to the center. A plurality of auxiliary optical transmission lines are disposed between the center and the subscriber.
摘要翻译：光用户网络传输系统包括从中心向用户发送信息的第一光传输线和从用户向中心发送信息的第二光传输线。多个辅助光传输线设置在中心和用户之间。

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