公开(公告)号：US08897653B2

公开(公告)日：2014-11-25

申请号：US13382562

申请日：2010-04-28

申请人： Kenji Senoo ,  Masaki Noda ,  Shigeo Yamanaka ,  Masatoshi Katayama

发明人： Kenji Senoo ,  Masaki Noda ,  Shigeo Yamanaka ,  Masatoshi Katayama

IPC分类号： H04B10/04 ,  H04B10/40

CPC分类号： H04B10/40 ,  H04B10/50

摘要： A subscriber-side optical network unit (ONU) includes a control LSI for outputting a data signal and a pre-bias signal at fixed intervals, an optical transmitter-receiver for producing optical output in response to these signals, and a light-emission error preventing circuit for preventing light-emission error. First and second light-emission error detecting circuits output an abnormality detection alarm signal when no rising edge occurs in the data signal and pre-bias signal for a prescribed period of time. An OR element, when receiving the abnormality detection alarm signal from at least one of the first and second light-emission error detecting circuits, supplies the optical transmitter-receiver with a shutdown signal and halts the optical output.

摘要翻译： 用户侧光网络单元（ONU）包括用于以固定间隔输出数据信号和预偏置信号的控制LSI，用于响应于这些信号产生光输出的光发射器 - 接收器和发光误差 防止发光误差的电路。 当数据信号和预偏置信号在规定的时间段内没有上升沿时，第一和第二发光误差检测电路输出异常检测报警信号。 OR元件当从第一和第二发光错误检测电路中的至少一个接收到异常检测报警信号时，向光收发器提供关闭信号并停止光输出。

公开(公告)号：US20120128348A1

公开(公告)日：2012-05-24

申请号：US13382562

申请日：2010-04-28

申请人： Kenji Senoo ,  Masaki Noda ,  Shigeo Yamanaka ,  Masatoshi Katayama

发明人： Kenji Senoo ,  Masaki Noda ,  Shigeo Yamanaka ,  Masatoshi Katayama

IPC分类号： H04B10/08

CPC分类号： H04B10/40 ,  H04B10/50

摘要： A subscriber-side optical network unit (ONU) includes a control LSI for outputting a data signal and a pre-bias signal at fixed intervals, an optical transmitter-receiver for producing optical output in response to these signals, and a light-emission error preventing circuit for preventing light-emission error. First and second light-emission error detecting circuits output an abnormality detection alarm signal when no rising edge occurs in the data signal and pre-bias signal for a prescribed period of time. An OR element, when receiving the abnormality detection alarm signal from at least one of the first and second light-emission error detecting circuits, supplies the optical transmitter-receiver with a shutdown signal and halts the optical output.

摘要翻译： 用户侧光网络单元（ONU）包括用于以固定间隔输出数据信号和预偏置信号的控制LSI，用于响应于这些信号产生光输出的光发射器 - 接收器和发光误差 防止发光误差的电路。 当数据信号和预偏置信号在规定的时间段内没有上升沿时，第一和第二发光误差检测电路输出异常检测报警信号。 OR元件当从第一和第二发光错误检测电路中的至少一个接收到异常检测报警信号时，向光收发器提供关闭信号并停止光输出。

公开(公告)号：US07034996B2

公开(公告)日：2006-04-25

申请号：US10857021

申请日：2004-06-01

申请人： Shigeo Yamanaka

发明人： Shigeo Yamanaka

IPC分类号： H04B10/12 ,  H04B10/02

CPC分类号： H04B10/0779 ,  H04B10/077 ,  H04B10/07955 ,  H04B10/2931

摘要： An optical transmitter 11 outputs an optical signal, and an optical booster amplifier 12 amplifies the optical signal and sends the amplified optical signal to an optical fiber 101 forming an optical transmission line. When detecting an optical signal fluctuation factor, an optical transmitter control part 13 outputs a light surge warning signal 111 prior to an optical signal fluctuation, and a gain control part 14 responds to the light surge warning signal 111 to decrease the gain of the optical booster amplifier 12 down to a level where no light surge occurs.

摘要翻译： 光发送器11输出光信号，光放大器12放大光信号，并将放大的光信号发送到形成光传输线的光纤101。 当检测到光信号波动因子时，光发射机控制部分13在光信号波动之前输出光浪涌警告信号111，并且增益控制部分14响应于光浪涌警告信号111以降低光增强器的增益 放大器12下降到没有发生光浪涌的水平。

公开(公告)号：US07236703B1

公开(公告)日：2007-06-26

申请号：US10088503

申请日：2000-07-31

申请人： Shigeo Yamanaka ,  Takashi Mizuochi ,  Katsuhiro Shimizu ,  Koji Goto ,  Shinichi Nakagawa ,  Eiichi Shibano ,  Tadami Yasuda

发明人： Shigeo Yamanaka ,  Takashi Mizuochi ,  Katsuhiro Shimizu ,  Koji Goto ,  Shinichi Nakagawa ,  Eiichi Shibano ,  Tadami Yasuda

IPC分类号： H04J14/02

CPC分类号： H04B10/50 ,  G02B6/266 ,  G02B6/29376 ,  H04J14/02 ,  H04J14/0221

摘要： As is described above, an optical wavelength division multiplexing and transmission apparatus according to the present invention has the configuration in which a plurality of slave racks coupling to a master rack can be additionally installed one after another with the master rack. Therefore, in cases where it is desired to expand a function of a transmitter and a function of a receiver due to the increase of a quality of information to be transmitted, the additional installation of the slave rack can be performed without exerting influence on a communication means installed in advance and currently used. Accordingly, it can be expected that the optical wavelength division multiplexing and transmission apparatus is adapted for the optical communication service which is more and more increased in the future.

摘要翻译： 如上所述，根据本发明的光波分复用和发送装置具有这样的配置，其中可以与主机架一个接一个地附加地安装耦合到主机架的多个从机架。 因此，在由于要发送的信息的质量的增加而期望扩展发射机的功能和接收机的功能的情况下，可以执行从机架的附加安装而不对通信产生影响 意味着事先安装，目前使用。 因此，可以预期光波分复用和发送装置适用于将来越来越多的光通信业务。

公开(公告)号：US20050141079A1

公开(公告)日：2005-06-30

申请号：US10857021

申请日：2004-06-01

申请人： Shigeo Yamanaka

发明人： Shigeo Yamanaka

IPC分类号： H04B10/07 ,  H04B10/032 ,  H04B10/077 ,  H04B10/079 ,  H04B10/293 ,  H04B10/564 ,  H04B10/572 ,  H01S3/00

CPC分类号： H04B10/0779 ,  H04B10/077 ,  H04B10/07955 ,  H04B10/2931

摘要： An optical transmitter 11 outputs an optical signal, and an optical booster amplifier 12 amplifies the optical signal and sends the amplified optical signal to an optical fiber 101 forming an optical transmission line. When detecting an optical signal fluctuation factor, an optical transmitter control part 13 outputs a light surge warning signal 111 prior to an optical signal fluctuation, and a gain control part 14 responds to the light surge warning signal 111 to decrease the gain of the optical booster amplifier 12 down to a level where no light surge occurs.

摘要翻译： 光发送器11输出光信号，光放大器12放大光信号，并将放大的光信号发送到形成光传输线的光纤101。 当检测到光信号波动因子时，光发射机控制部分13在光信号波动之前输出光浪涌警告信号111，并且增益控制部分14响应于光浪涌警告信号111以降低光增强器的增益 放大器12下降到没有发生光浪涌的水平。

公开(公告)号：US5623212A

公开(公告)日：1997-04-22

申请号：US404096

申请日：1995-03-14

申请人： Shigeo Yamanaka

发明人： Shigeo Yamanaka

IPC分类号： G01N27/00 ,  G01N27/12 ,  G01N33/00 ,  G08B17/117 ,  G01R27/08 ,  G01N27/04

CPC分类号： G01N33/0031 ,  G01N27/122

摘要： An odor concentration is measured by energizing an odor sensor connected across a power supply through a load resistance. A total resistance of the odor sensor is represented by and includes a parallel connection of a first resistive component having a value according to surrounding environmental conditions and a second resistive component having a value according to an odor concentration, and a saturation resistive component connected in series with the parallel connection of the first and second resistive components. A CPU is used to measure the odor concentration by obtaining the value of the second resistive component from an output of the odor sensor which is a voltage across the load resistance. Also, the measured odor concentration can be normalized and compared with a given threshold for fire detection.

摘要翻译： 通过通过负载电阻对连接在电源上的气味传感器通电来测量气味浓度。 气味传感器的总电阻由下式表示，并且包括具有根据周围环境条件的值的第一电阻元件和具有根据气味浓度的值的第二电阻元件和串联连接的饱和电阻元件的并联连接 并联连接第一和第二电阻元件。 CPU用于通过从作为负载电阻两端的电压的气味传感器的输出获得第二电阻分量的值来测量气味浓度。 此外，测量的气味浓度可以归一化，并与给定的火灾检测阈值进行比较。