公开(公告)号：US08005374B2

公开(公告)日：2011-08-23

申请号：US12723210

申请日：2010-03-12

申请人： Kazushige Yonenaga ,  Mikio Yoneyama ,  Masahito Tomizawa ,  Akira Hirano ,  Shoichiro Kuwahara ,  Tomoyoshi Kataoka ,  Akihide Sano ,  Gentaro Funatsu

发明人： Kazushige Yonenaga ,  Mikio Yoneyama ,  Masahito Tomizawa ,  Akira Hirano ,  Shoichiro Kuwahara ,  Tomoyoshi Kataoka ,  Akihide Sano ,  Gentaro Funatsu

IPC分类号： H04B10/06

CPC分类号： H04B10/58 ,  H04B10/5051 ,  H04B10/5055 ,  H04B10/50575 ,  H04B10/54 ,  H04B10/66

摘要： An optical transmission system is provided in which the optimum operating point of a Mach-Zehnder interferometer, matched to the optical frequency of the light source on the transmitting side, can be set. The optical receiver (2) has an infinitesimal-modulated signal component detection circuit (222), which uses the signal train output from a balanced detection circuit (221) to detect the infinitesimal-modulated signal component applied to the phase adjustment terminal (201) of an MZI (200) by an infinitesimal-modulated signal oscillation circuit (224); a synchronous detection circuit (223), which synchronously detects the infinitesimal-modulated signals output from the infinitesimal-modulated signal component detection circuit (222) and infinitesimal-modulated signal oscillation circuit (224) and detects the error signal component arising from the shift between the optical signal carrier frequency and the optical frequency characteristic of the MZI (200); and a controller (207), which outputs a control signal to adjust the phase difference between two split optical signals output from the MZI (200) so as to correct the shift amount.

摘要翻译： 提供了一种光传输系统，其中可以设置与发射侧的光源的光频率相匹配的马赫 - 曾德干涉仪的最佳工作点。 光接收器（2）具有无穷小调制信号分量检测电路（222），其使用从平衡检测电路（221）输出的信号串来检测施加到相位调整端子（201）的无穷小调制信号分量， 通过无穷小调制信号振荡电路（224）的MZI（200）; 同步检测电路（223），其同步地检测从无穷小调制信号分量检测电路（222）和无穷小调制信号振荡电路（224）输出的无穷小调制信号，并检测由第二调制信号分量检测电路 MZI（200）的光信号载波频率和光频特性; 以及控制器（207），其输出控制信号以调整从MZI（200）输出的两个分离光信号之间的相位差，以校正偏移量。

公开(公告)号：US07734194B2

公开(公告)日：2010-06-08

申请号：US10555710

申请日：2005-03-17

申请人： Kazushige Yonenaga ,  Mikio Yoneyama ,  Masahito Tomizawa ,  Akira Hirano ,  Shoichiro Kuwahara ,  Tomoyoshi Kataoka ,  Akihide Sano ,  Gentaro Funatsu

发明人： Kazushige Yonenaga ,  Mikio Yoneyama ,  Masahito Tomizawa ,  Akira Hirano ,  Shoichiro Kuwahara ,  Tomoyoshi Kataoka ,  Akihide Sano ,  Gentaro Funatsu

IPC分类号： H04B10/06

CPC分类号： H04B10/58 ,  H04B10/5051 ,  H04B10/5055 ,  H04B10/50575 ,  H04B10/54 ,  H04B10/66

摘要： An optical transmission system is provided in which the optimum operating point of a Mach-Zehnder interferometer, matched to the optical frequency of the light source on the transmitting side, can be set. The optical receiver (2) has an infinitesimal-modulated signal component detection circuit (222), which uses the signal train output from a balanced detection circuit (221) to detect the infinitesimal-modulated signal component applied to the phase adjustment terminal (201) of an MZI (200) by an infinitesimal-modulated signal oscillation circuit (224); a synchronous detection circuit (223), which synchronously detects the infinitesimal-modulated signals output from the infinitesimal-modulated signal component detection circuit (222) and infinitesimal-modulated signal oscillation circuit (224) and detects the error signal component arising from the shift between the optical signal carrier frequency and the optical frequency characteristic of the MZI (200); and a controller (207), which outputs a control signal to adjust the phase difference between two split optical signals output from the MZI (200) so as to correct the shift amount.

摘要翻译： 提供了一种光传输系统，其中可以设置与发射侧的光源的光频率相匹配的马赫 - 曾德干涉仪的最佳工作点。 光接收器（2）具有无穷小调制信号分量检测电路（222），其使用从平衡检测电路（221）输出的信号串来检测施加到相位调整端子（201）的无穷小调制信号分量， 通过无穷小调制信号振荡电路（224）的MZI（200）; 同步检测电路（223），其同步地检测从无穷小调制信号分量检测电路（222）和无穷小调制信号振荡电路（224）输出的无穷小调制信号，并检测由 MZI（200）的光信号载波频率和光频特性; 以及控制器（207），其输出控制信号以调整从MZI（200）输出的两个分离光信号之间的相位差，以校正偏移量。

公开(公告)号：US20100172653A1

公开(公告)日：2010-07-08

申请号：US12723210

申请日：2010-03-12

申请人： Kazushige Yonenaga ,  Mikio Yoneyama ,  Masahito Tomizawa ,  Akira Hirano ,  Shoichiro Kuwahara ,  Tomoyoshi Kataoka ,  Akihide Sano ,  Gentaro Funatsu

发明人： Kazushige Yonenaga ,  Mikio Yoneyama ,  Masahito Tomizawa ,  Akira Hirano ,  Shoichiro Kuwahara ,  Tomoyoshi Kataoka ,  Akihide Sano ,  Gentaro Funatsu

IPC分类号： H04B10/00

CPC分类号： H04B10/58 ,  H04B10/5051 ,  H04B10/5055 ,  H04B10/50575 ,  H04B10/54 ,  H04B10/66

摘要： An optical transmission system is provided in which the optimum operating point of a Mach-Zehnder interferometer, matched to the optical frequency of the light source on the transmitting side, can be set. The optical receiver (2) has an infinitesimal-modulated signal component detection circuit (222), which uses the signal train output from a balanced detection circuit (221) to detect the infinitesimal-modulated signal component applied to the phase adjustment terminal (201) of an MZI (200) by an infinitesimal-modulated signal oscillation circuit (224); a synchronous detection circuit (223), which synchronously detects the infinitesimal-modulated signals output from the infinitesimal-modulated signal component detection circuit (222) and infinitesimal-modulated signal oscillation circuit (224) and detects the error signal component arising from the shift between the optical signal carrier frequency and the optical frequency characteristic of the MZI (200); and a controller (207), which outputs a control signal to adjust the phase difference between two split optical signals output from the MZI (200) so as to correct the shift amount.

摘要翻译： 提供了一种光传输系统，其中可以设置与发射侧的光源的光频率相匹配的马赫 - 曾德干涉仪的最佳工作点。 光接收器（2）具有无穷小调制信号分量检测电路（222），其使用从平衡检测电路（221）输出的信号串来检测施加到相位调整端子（201）的无穷小调制信号分量， 通过无穷小调制信号振荡电路（224）的MZI（200）; 同步检测电路（223），其同步地检测从无穷小调制信号分量检测电路（222）和无穷小调制信号振荡电路（224）输出的无穷小调制信号，并检测由第二调制信号分量检测电路 MZI（200）的光信号载波频率和光频特性; 以及控制器（207），其输出控制信号以调整从MZI（200）输出的两个分离光信号之间的相位差，以校正偏移量。

公开(公告)号：US20090097867A1

公开(公告)日：2009-04-16

申请号：US12092031

申请日：2006-05-19

申请人： Mikio Yoneyama ,  Fumiaki Saitou ,  Shigeru Ono ,  Yosuke Takeuchi ,  Kazushige Yonenaga ,  Shoichiro Kuwahara ,  Eiji Yoshida ,  Yutaka Miyamoto ,  Hiroto Kawakami

发明人： Mikio Yoneyama ,  Fumiaki Saitou ,  Shigeru Ono ,  Yosuke Takeuchi ,  Kazushige Yonenaga ,  Shoichiro Kuwahara ,  Eiji Yoshida ,  Yutaka Miyamoto ,  Hiroto Kawakami

IPC分类号： H04B10/06

CPC分类号： H04L27/2071 ,  G02F1/0327 ,  H04B10/677 ,  H04L27/223

摘要： The present invention relates to an optical receiver, in which the transmittance of a Mach-Zehnder interferometer can be locked at a normal operation point in a simple structure and control.A transmittance detecting circuit and a minute modulation signal detecting circuit are provided in parallel after a balanced optical receiver, and a switch is selectively connectable either a minute modulation signal detecting circuit and a transmittance detecting circuit. In the initial stage of frequency pull-in, the switch is set to connect the transmittance detecting circuit to the synchronous detection circuit. If the transmittance detecting circuit detects that the transmittance of the Mach-Zehnder interferometer at the carrier frequency becomes a desired transmittance, the connection of the switch is switched from the transmittance detecting circuit to the minute modulation signal detecting circuit.

摘要翻译： 光接收机技术领域本发明涉及一种光接收机，其中可以以简单的结构和控制将马赫 - 曾德干涉仪的透射率锁定在正常操作点。 在平衡光接收器之后并联设置透射检测电路和微调信号检测电路，并且开关可选择性地连接微调制信号检测电路和透射检测电路。 在频率拉入的初始阶段，开关被设置为将透射检测电路连接到同步检测电路。 如果透射检测电路检测到载波频率下的马赫 - 策德尔干涉仪的透射率变为期望的透射率，则将开关的连接从透射检测电路切换到微调制信号检测电路。

公开(公告)号：US07995930B2

公开(公告)日：2011-08-09

申请号：US12092031

申请日：2006-05-19

申请人： Mikio Yoneyama ,  Fumiaki Saitou ,  Shigeru Ono ,  Yosuke Takeuchi ,  Kazushige Yonenaga ,  Shoichiro Kuwahara ,  Eiji Yoshida ,  Yutaka Miyamoto ,  Hiroto Kawakami

发明人： Mikio Yoneyama ,  Fumiaki Saitou ,  Shigeru Ono ,  Yosuke Takeuchi ,  Kazushige Yonenaga ,  Shoichiro Kuwahara ,  Eiji Yoshida ,  Yutaka Miyamoto ,  Hiroto Kawakami

IPC分类号： H04B10/06

CPC分类号： H04L27/2071 ,  G02F1/0327 ,  H04B10/677 ,  H04L27/223

摘要： The present invention relates to an optical receiver, in which the transmittance of a Mach-Zehnder interferometer can be locked at a normal operation point in a simple structure and control. A transmittance detecting circuit and a minute modulation signal detecting circuit are provided in parallel after a balanced optical receiver, and a switch is selectively connectable either a minute modulation signal detecting circuit and a transmittance detecting circuit. In the initial stage of frequency pull-in, the switch is set to connect the transmittance detecting circuit to the synchronous detection circuit. If the transmittance detecting circuit detects that the transmittance of the Mach-Zehnder interferometer at the carrier frequency becomes a desired transmittance, the connection of the switch is switched from the transmittance detecting circuit to the minute modulation signal detecting circuit.

摘要翻译： 光接收机技术领域本发明涉及一种光接收机，其中可以以简单的结构和控制将马赫 - 曾德干涉仪的透射率锁定在正常操作点。 在平衡光接收器之后并联设置透射检测电路和微调信号检测电路，并且开关可选择性地连接微调制信号检测电路和透射检测电路。 在频率拉入的初始阶段，开关被设置为将透射检测电路连接到同步检测电路。 如果透射检测电路检测到载波频率下的马赫 - 策德尔干涉仪的透射率变为期望的透射率，则将开关的连接从透射检测电路切换到微调制信号检测电路。

公开(公告)号：US06934308B1

公开(公告)日：2005-08-23

申请号：US09496974

申请日：2000-02-02

申请人： Kazushige Yonenaga ,  Mikio Yoneyama ,  Koichi Murata ,  Yutaka Miyamoto

发明人： Kazushige Yonenaga ,  Mikio Yoneyama ,  Koichi Murata ,  Yutaka Miyamoto

IPC分类号： H04J14/08 ,  H04J3/00 ,  H04J3/04 ,  H04L25/02 ,  H04L25/497 ,  G06F11/10

CPC分类号： H04L25/497

摘要： A precoding-multiplexing circuit is formed by a precoding circuit for carrying out a precoding with respect to n sets of parallel input binary data signals having a bit rate equal to R/n, to obtain n sets of parallel precoded signals, and a time division multiplexer for time division multiplexing the parallel precoded signals obtained by the precoding circuit, in units of one bit, and outputting time division multiplexed output signal having a bit rate equal to R. In this configuration, the encoding is realized by processing electric signals before the time division multiplexing, so that it becomes possible for the preceding circuit to handle signals which are slower than the transmission rate, and therefore it becomes easier to realize the higher transmission rate.

摘要翻译： 预编码复用电路由预编码电路形成，用于对具有等于R / n的比特率的n组并行输入二进制数据信号进行预编码，以获得n组并行预编码信号，以及时分 多路复用器，用于以一位为单位时分复用由预编码电路获得的并行预编码信号，并输出比特率等于R的时分复用输出信号。在该配置中，通过在 时分复用，使得前一电路可以处理比传输速率慢的信号，因此变得更容易实现更高的传输速率。

公开(公告)号：US20120282480A1

公开(公告)日：2012-11-08

申请号：US13473968

申请日：2012-05-17

申请人： Yoshitaka Nishiyama ,  Tadashi Kawakami ,  Toshihide Ono ,  Mikio Yoneyama ,  Yoshihiro Tatsumi

发明人： Yoshitaka Nishiyama ,  Tadashi Kawakami ,  Toshihide Ono ,  Mikio Yoneyama ,  Yoshihiro Tatsumi

IPC分类号： B22F7/04

CPC分类号： C23C4/06 ,  B23K9/04 ,  B23K10/027 ,  B23K2101/20 ,  B23K2101/38 ,  C21D1/06 ,  C21D6/002 ,  C21D6/007 ,  C21D6/02 ,  C21D9/0012 ,  C21D9/08 ,  C21D9/14 ,  C21D9/28 ,  C21D9/38 ,  C21D2251/02 ,  C21D2251/04 ,  C22C19/07 ,  Y10T428/12063

摘要： A high-temperature material transferring member including a coating film formed on a surface of base metal, wherein the coating film is a composite coating film using a mixed powder made up of: a Co-based alloy powder containing, in mass %, 0.03 to 0.6% of C, 0.2 to 3% of Si, 22 to 35% of Cr, and more than 50% of Co; and a Cr carbide powder, the composite coating film is formed by the plasma powder overlaying process. The high-temperature material transferring member has excellent build-up resistance particularly in a gas atmosphere of 1100° C. or more. The high-temperature material transferring member has excellent in build-up resistance, oxidation resistance, and heat cracking resistance.

摘要翻译： 一种高温材料转印构件，包括形成在母材表面上的涂膜，其中所述涂膜是使用由以下组成的混合粉末的复合涂膜：Co基合金粉末，其以质量％计含有0.03〜 C：0.6％，Si：0.2〜3％，Cr：22〜35％，Co：50％ 和Cr碳化物粉末，通过等离子体粉末覆盖工艺形成复合涂膜。 特别是在1100℃以上的气体气氛下，高温材料转印部件具有优异的耐累加性。 高温材料转印构件具有优异的耐积垢性，抗氧化性和耐热龟裂性。