公开(公告)号：US20060050820A1

公开(公告)日：2006-03-09

申请号：US10539235

申请日：2004-02-10

申请人： Hirotsugu Kawada ,  Yoshiyuki Saito ,  Osamu Shibata ,  Hiroshi Suenaga ,  Takahisa Sakai ,  Toshitomo Umei ,  Takashi Akita ,  Yuji Mizuguchi ,  Noboru Katta

发明人： Hirotsugu Kawada ,  Yoshiyuki Saito ,  Osamu Shibata ,  Hiroshi Suenaga ,  Takahisa Sakai ,  Toshitomo Umei ,  Takashi Akita ,  Yuji Mizuguchi ,  Noboru Katta

IPC分类号： H04L7/00

CPC分类号： H04L7/00 ,  H04L7/0334

摘要： A signal receiver (11) receives an analog signal via a twisted pair cable (31). An A/D converter (12) converts the analog signal to a digital signal. A phase detection unit (14) detects the phase of the digital signal, and generates a reception timing signal. A transmission timing generation unit (15) controls, based on the reception timing signal, timing for a transmission processing unit (16) to output the digital signal such that the reception signal (point A) and a transmission signal (point D) are different in phase by a predetermined degree. The transmission processing unit (16) outputs, in accordance with the timing, a digital signal obtained by performing mapping on data inputted from a connection device (20). A D/A converter (17) converts the digital signal to an analog signal. A signal transmitter (18) transmits the analog signal via a twisted pair cable (32).

摘要翻译： 信号接收器（11）经由双绞线电缆（31）接收模拟信号。 A / D转换器（12）将模拟信号转换成数字信号。 相位检测单元（14）检测数字信号的相位，并产生接收定时信号。 发送定时生成单元（15）基于接收定时信号，控制发送处理单元（16）输出数字信号的定时，使得接收信号（点A）和发送信号（点D）不同 同时预定的程度。 发送处理单元（16）根据定时输出通过对从连接装置（20）输入的数据进行映射而获得的数字信号。 D / A转换器（17）将数字信号转换成模拟信号。 信号发送器（18）经由双绞线电缆（32）发送模拟信号。

公开(公告)号：US20070252659A1

公开(公告)日：2007-11-01

申请号：US11664129

申请日：2005-08-01

申请人： Hiroshi Suenaga ,  Osamu Shibata ,  Yoshiyuki Saito ,  Noboru Katta ,  Yuji Mizuguchi

发明人： Hiroshi Suenaga ,  Osamu Shibata ,  Yoshiyuki Saito ,  Noboru Katta ,  Yuji Mizuguchi

IPC分类号： H03H7/38

CPC分类号： H01F17/0013 ,  H01F2017/0093 ,  H03H7/09 ,  H03H7/427 ,  H03H2001/0085 ,  H04B3/30 ,  H04L12/40032 ,  H04L2012/40215 ,  H04L2012/4026

摘要： In a filter circuit (1), a common mode choke (2) and a normal mode choke (3) have extremely high and low impedances, respectively, for common mode signals received through two input terminals (1a and 1b). The chokes have the opposite impedance characteristics for differential signals. In particular, the difference in impedance is large. Furthermore, the normal mode choke (3) is installed as a previous stage of the common mode choke (2). Accordingly, common mode noises which enter the two input terminals (1a and 1b) penetrate the normal mode choke (3), but neither penetrate the common mode choke (2) nor are reflected from the common mode choke (2). In particular, common mode currents flow through the normal mode choke (3) but do not flow through the common mode choke (2).

摘要翻译： 在滤波器电路（1）中，对于通过两个输入端子（1a和1b）接收的共模信号，共模扼流圈（2）和正常模式扼流圈（3）分别具有极高和低阻抗。 扼流圈对差分信号具有相反的阻抗特性。 特别地，阻抗的差异很大。 此外，正常模式扼流圈（3）安装为共模扼流圈（2）的前一级。 因此，进入两个输入端子（1a和1b）的共模噪声穿透正常模式扼流圈（3），但都不穿透共模扼流圈（2），也不会从共模扼流圈（2）反射。 特别地，共模电流流过正常模式扼流圈（3），但不流过共模扼流圈（2）。

公开(公告)号：US06992537B2

公开(公告)日：2006-01-31

申请号：US10468829

申请日：2002-12-27

申请人： Nobuhiko Yasui ,  Noboru Katta ,  Takahisa Sakai ,  Yuji Mizuguchi ,  Yutaka Takahira ,  Hirotsugu Kawada ,  Toshitomo Umei ,  Takashi Akita ,  Osamu Shibata

发明人： Nobuhiko Yasui ,  Noboru Katta ,  Takahisa Sakai ,  Yuji Mizuguchi ,  Yutaka Takahira ,  Hirotsugu Kawada ,  Toshitomo Umei ,  Takashi Akita ,  Osamu Shibata

IPC分类号： H03H7/01 ,  H03H7/38

CPC分类号： H03H7/427 ,  H03H7/06 ,  H03H7/24 ,  H04B3/30 ,  H04L25/085

摘要： A receiver includes a noise reduction circuit for eliminating noise from a differential signal transmitted through a differential transmission line, and a data recovery circuit for recovering data from a differential signal outputted from the noise reduction circuit. The noise reduction circuit includes common-mode chokes for reflecting common-mode noise superimposed on an input differential signal, and a common-mode noise reduction circuit for directing the common-mode noise reflected by the common-mode chokes to a low potential point of the common-mode noise reduction circuit.

摘要翻译： 接收机包括用于消除通过差分传输线传输的差分信号的噪声的噪声降低电路，以及用于从从降噪电路输出的差分信号中恢复数据的数据恢复电路。 噪声降低电路包括用于反映叠加在输入差分信号上的共模噪声的共模扼流圈和用于将由共模扼流圈反射的共模噪声引导到低电位点的共模噪声降低电路 共模降噪电路。

公开(公告)号：US07012936B2

公开(公告)日：2006-03-14

申请号：US10398452

申请日：2001-10-05

申请人： Hirotsugu Kawada ,  Yuji Mizuguchi ,  Takahisa Sakai ,  Noboru Katta ,  Toshihiko Kurosaki ,  Nobuhiko Yasui ,  Yutaka Takahira

发明人： Hirotsugu Kawada ,  Yuji Mizuguchi ,  Takahisa Sakai ,  Noboru Katta ,  Toshihiko Kurosaki ,  Nobuhiko Yasui ,  Yutaka Takahira

IPC分类号： H04J3/06

CPC分类号： H04L25/085 ,  H04J3/0638 ,  H04L7/046 ,  H04L7/10 ,  H04L25/062 ,  H04L25/066 ,  H04L25/4919

摘要： A first initialization pattern signal is a signal in which a maximum signal level and a minimum signal level appear alternately, and a second initialization pattern signal is a signal in which all signal levels appear in a predetermined arrangement. In a ring-shaped network including plural stages of data transmission apparatuses (100), a transmission unit (110) of each data transmission apparatus outputs the first initialization pattern signal successively to a next-stage data transmission apparatus at turn-on of power or immediately after reset, and a reception unit (120) establishes clock synchronization on the basis of the first initialization pattern signal received. When synchronization is established in all of the data transmission apparatuses, the transmission unit (110) outputs the second initialization pattern signal successively to the next-stage data transmission apparatus, and the reception unit (120) sets evaluation levels for the respective signal levels on the basis of the received second initialization pattern signal, and transmission/reception of data is started when evaluation levels are set in all of the data transmission apparatuses.

摘要翻译： 第一初始化模式信号是其中最大信号电平和最小信号电平交替出现的信号，并且第二初始化模式信号是其中所有信号电平以预定布置出现的信号。 在包括多级数据传输装置（100）的环形网络中，每个数据传输装置的传输单元（110）将第一初始化模式信号连续地输出到下一级数据传输装置， 并且接收单元（120）基于所接收的第一初始化模式信号建立时钟同步。 当在所有数据传输装置中建立同步时，发送单元（110）将第二初始化模式信号连续地输出到下一级数据发送装置，并且接收单元（120）将各信号电平的评估电平设置为 当在所有数据传输装置中设置评估级别时，开始接收到的第二初始化模式信号的基础和数据的发送/接收。

公开(公告)号：US07286616B2

公开(公告)日：2007-10-23

申请号：US10493499

申请日：2003-05-30

申请人： Yutaka Takahira ,  Yuji Mizuguchi ,  Noboru Katta ,  Nobuhiko Yasui ,  Takahisa Sakai ,  Hirotsugu Kawada ,  Toshitomo Umei

发明人： Yutaka Takahira ,  Yuji Mizuguchi ,  Noboru Katta ,  Nobuhiko Yasui ,  Takahisa Sakai ,  Hirotsugu Kawada ,  Toshitomo Umei

IPC分类号： H04L27/06

CPC分类号： H04L25/085 ,  H04L7/046 ,  H04L25/08 ,  H04L25/4917

摘要： A data transmission system in which normal transmission can be performed irrespectively of the inserting orientation of a connector is provided. A transmitting device transmits to a receiving device a differential transmission signal including polarity decision data for deciding the polarity of the connector. Based on the polarity decision data included in the differential transmission signal transmitted from the transmitting device, the receiving device decides whether the polarity of the connector has been reversed or not. When it is decided that the polarity has not been reversed, the receiving device reads data from the differential transmission signal. When it is decided that the polarity has been reversed, the polarity of the differential transmission signal is reversed for data reading.

摘要翻译： 提供了一种数据传输系统，其中可以执行与连接器的插入方向无关的正常传输。 发送装置向接收装置发送包含决定连接器的极性的极性决定数据的差分发送信号。 基于从发送装置发送的差分发送信号中包含的极性判定数据，接收装置判定连接器的极性是否已被反转。 当确定极性未被反转时，接收装置从差分传输信号读取数据。 当确定极性已被反转时，差分传输信号的极性反转用于数据读取。

公开(公告)号：US07190728B2

公开(公告)日：2007-03-13

申请号：US10398447

申请日：2001-10-05

申请人： Hirotsugu Kawada ,  Yuji Mizuguchi ,  Takahisa Sakai ,  Noboru Katta ,  Toshihiko Kurosaki

发明人： Hirotsugu Kawada ,  Yuji Mizuguchi ,  Takahisa Sakai ,  Noboru Katta ,  Toshihiko Kurosaki

IPC分类号： H04L27/00

CPC分类号： H04L25/062 ,  H04L25/066 ,  H04L25/085 ,  H04L25/4919

摘要： A digital data transmission apparatus includes a transmitting end (100) that includes: a binary/quadrary conversion unit (110) for converting a data stream; a coding unit (120) for mapping the converted data to be coded; a digital filter (130); a D/A conversion unit (140); a low-pass filter (150) for eliminating a high-band signal; a differential driver (160) for inputting an analog signal that has passed through the low-pass filter into a twisted pair cable (300), and a receiving end (200) that includes: a low-pass filter (210) for eliminating noises from both wires of the twisted pair cable; a receiver (220) for receiving the signals that have passed through the low-pass filter; an A/D conversion unit (230); a digital filter (240); an evaluation unit (250) for evaluating a signal level of a received signal; a decoding unit (260) for decoding the signal level into receipt data; and a synchronization unit (270) for generating a clock.

摘要翻译： 数字数据传输装置包括：发送端（100），包括：用于转换数据流的二进制/四次转换单元（110）; 编码单元，用于映射所转换的要编码的数据; 数字滤波器（130）; D / A转换单元（140）; 用于消除高频带信号的低通滤波器（150）; 用于将通过所述低通滤波器的模拟信号输入到双绞线电缆（300）中的差分驱动器（160）以及包括：用于消除噪声的低通滤波器（210）的接收端（200） 从双绞线的两根电线; 接收器（220），用于接收已经通过低通滤波器的信号; A / D转换单元（230）; 数字滤波器（240）; 评估单元（250），用于评估接收信号的信号电平; 解码单元，用于将信号电平解码为接收数据; 以及用于产生时钟的同步单元（270）。

公开(公告)号：US20060129318A1

公开(公告)日：2006-06-15

申请号：US10540022

申请日：2003-12-26

申请人： Yuji Mizuguchi ,  Nobuhiko Yasui ,  Noboru Katta ,  Takahisa Sakai ,  Yutaka Takahira ,  Hirotsugu Kawada ,  Toshitomo Umei ,  Takashi Akita ,  Takefumi Yoshikawa ,  Shiro Dosho

发明人： Yuji Mizuguchi ,  Nobuhiko Yasui ,  Noboru Katta ,  Takahisa Sakai ,  Yutaka Takahira ,  Hirotsugu Kawada ,  Toshitomo Umei ,  Takashi Akita ,  Takefumi Yoshikawa ,  Shiro Dosho

IPC分类号： G06F19/00

CPC分类号： H04L7/0334 ,  H04L7/005 ,  H04L7/027 ,  H04L7/033

摘要： To a data reception device, a signal having a frequency of 12.5 MHz and including data is transmitted. The data reception device generates a clock B having a frequency of 400 MHz of (1) in FIG. 8, and performs sampling for the above-described 12.5 MHz signal based on the clock B ((2) in FIG. 8). Then, the data reception device detects zero cross points of the sampled data, and generates a 25 MHz frequency clock signal indicating the zero cross points ((3) in FIG. 8). Next, the data reception device generates, by delaying the generated clock signal by the time amount corresponding to eight clocks ((4) in FIG. 8), a 25 MHz signal indicating symbol points. Thus, symbol points can be detected.

摘要翻译： 向数据接收装置发送频率为12.5MHz并包括数据的信号。 数据接收装置在图1中生成具有400MHz的频率的时钟B（1）。 基于时钟B（图8的（2））对上述12.5MHz信号进行采样。 然后，数据接收装置检测取样数据的零交叉点，生成表示零交叉点（图8的（3））的25MHz频率时钟信号。 接下来，数据接收装置通过将生成的时钟信号延迟与8个时钟（图8的（4））对应的时间量来生成表示符号点的25MHz信号。 因此，可以检测符号点。

公开(公告)号：US20050030934A1

公开(公告)日：2005-02-10

申请号：US10493499

申请日：2003-05-30

申请人： Yutaka Takahira ,  Yuji Mizuguchi ,  Noboru Katta ,  Nobuhiko Yasui ,  Takahisa Sakai ,  Hirotsugu Kawada ,  Toshitomo Umei

发明人： Yutaka Takahira ,  Yuji Mizuguchi ,  Noboru Katta ,  Nobuhiko Yasui ,  Takahisa Sakai ,  Hirotsugu Kawada ,  Toshitomo Umei

IPC分类号： H04L7/04 ,  H04L25/08 ,  H04L25/49 ,  H04J3/06

CPC分类号： H04L25/085 ,  H04L7/046 ,  H04L25/08 ,  H04L25/4917

摘要： A data transmission system in which normal transmission can be performed irrespectively of the inserting orientation of a connector is provided. A transmitting device transmits to a receiving device a differential transmission signal including polarity decision data for deciding the polarity of the connector. Based on the polarity decision data included in the differential transmission signal transmitted from the transmitting device, the receiving device decides whether the polarity of the connector has been reversed or not. When it is decided that the polarity has not been reversed, the receiving device reads data from the differential transmission signal. When it is decided that the polarity has been reversed, the polarity of the differential transmission signal is reversed for data reading.

摘要翻译： 提供了一种数据传输系统，其中可以执行与连接器的插入方向无关的正常传输。 发送装置向接收装置发送包含决定连接器的极性的极性决定数据的差分发送信号。 基于从发送装置发送的差分发送信号中包含的极性判定数据，接收装置判定连接器的极性是否已被反转。 当确定极性未被反转时，接收装置从差分传输信号读取数据。 当确定极性已被反转时，差分传输信号的极性反转用于数据读取。

公开(公告)号：US07133936B2

公开(公告)日：2006-11-07

申请号：US10398377

申请日：2001-10-05

申请人： Noboru Katta ,  Yuji Mizuguchi ,  Takahisa Sakai ,  Hirotsugu Kawada ,  Toshihiko Kurosaki ,  Nobuhiko Yasui ,  Yutaka Takahira

发明人： Noboru Katta ,  Yuji Mizuguchi ,  Takahisa Sakai ,  Hirotsugu Kawada ,  Toshihiko Kurosaki ,  Nobuhiko Yasui ,  Yutaka Takahira

IPC分类号： G06F15/16

CPC分类号： H04L25/085 ,  H04L25/062 ,  H04L25/066 ,  H04L25/4919

摘要： A ring-shaped network quickly performs initialization even when a plurality of data transmission apparatuses are connected thereto. Each data transmission apparatus outputs received data to a device connected thereto while performing establishment of clock synchronization based on the received data, and when synchronization is established, it resends the received data. Further, when synchronization of the connected device is established, it sends data supplied from the connected device. Further, a master data transmission apparatus outputs data at turn-on of power or immediately after reset, and a next-stage slave data transmission apparatus receives the data to establish synchronization, and resends the received data when synchronization is established. Thus, synchronization of all the data transmission apparatuses is established while making a round of this data, and then synchronization of devices connected to the respective data transmission apparatuses is established.

摘要翻译： 即使当多个数据传输装置连接到其上时，环形网也快速执行初始化。 每个数据传输装置在接收到的数据基于时钟同步建立的同时将接收的数据输出到连接的装置，并且当建立同步时，其重新发送所接收的数据。 此外，当连接的设备的同步建立时，它发送从连接的设备提供的数据。 此外，主数据发送装置在接通电源或复位后立即输出数据，下一级从属数据发送装置接收数据以建立同步，并且在同步建立时重新发送接收的数据。 因此，在进行一轮该数据的同时建立所有数据传输装置的同步，然后建立连接到各个数据传输装置的装置的同步。

公开(公告)号：US20060165194A1

公开(公告)日：2006-07-27

申请号：US10530321

申请日：2004-01-28

申请人： Yuji Mizuguchi ,  Nobuhiko Yasui ,  Noboru Katta ,  Takahisa Sakai ,  Yutaka Takahira ,  Hirotsugu Kawada ,  Toshitomo Umei ,  Takashi Akita

发明人： Yuji Mizuguchi ,  Nobuhiko Yasui ,  Noboru Katta ,  Takahisa Sakai ,  Yutaka Takahira ,  Hirotsugu Kawada ,  Toshitomo Umei ,  Takashi Akita

IPC分类号： H04L27/20

CPC分类号： H04L25/4904 ,  H03M5/12 ,  H04L25/4917

摘要： The data sending device (10) receives input biphase-mark-encoded sending data which is output from an apparatus on the sending side, and a biphase decoding section (12) biphase-mark-decodes the input sending data. The output data from the biphase decoding section (12) is transmitted to a data receiving device via a sending section (14). On the other hand, the data receiving device biphase-mark-encodes the data received from the data sending apparatus (10) and then supplies the data to an apparatus on the receiving side.

摘要翻译： 数据发送装置（10）接收从发送侧的装置输出的输入双相标记编码发送数据，双相解码部（12）对输入的发送数据进行双相标记解码。 来自双相解码部分（12）的输出数据经由发送部分（14）发送到数据接收装置。 另一方面，数据接收装置对从数据发送装置（10）接收的数据进行双相标记编码，然后将数据提供给接收侧的装置。