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11.发明授权公开(公告)号：US06295147B1
公开(公告)日：2001-09-25
申请号：US09115914
申请日：1998-07-15
申请人： Kazuo Yamane , Takashi Tsuda , Yumiko Kawasaki , Satoru Okano
发明人： Kazuo Yamane , Takashi Tsuda , Yumiko Kawasaki , Satoru Okano
IPC分类号： H04J1402
CPC分类号： H04J14/02 , H04B10/506 , H04B10/564 , H04B10/572
摘要： The invention provides a wavelength multiplexing transmission apparatus includes a plurality of optical signal outputting sections for outputting optical signals having different wavelengths from each other, and a wavelength multiplexing section for wavelength multiplexing the optical signals outputted from the optical signal outputting sections and sending out a resulting optical signal. Each of the optical signal outputting sections includes a transmission light source driven by an electric signal for outputting an optical signal of a predetermined wavelength, and a wavelength filter capable of passing therethrough and sending out only an optical signal of the predetermined wavelength to be outputted from the transmission light source to prevent a wavelength drift of the optical signal outputted from the transmission light source. A variation of the wavelength of the transmission light source is detected, and the transmission light source is shut down in order to prevent otherwise possible crosstalk with another channel and prevent a further influence of the same.
摘要翻译： 本发明提供了一种波长复用传输装置，包括：多个光信号输出部分，用于输出具有不同波长的光信号;以及波长多路复用部分，用于对从光信号输出部分输出的光信号进行波长多路复用， 光信号。 每个光信号输出部分包括由用于输出预定波长的光信号的电信号驱动的透射光源和能够通过其的波长滤光器，并且仅发出预定波长的光信号以从 传输光源，以防止从传输光源输出的光信号的波长漂移。 检测发送光源的波长的变化，并且关闭发送光源，以防止与另一个信道的可能的串扰，并防止其进一步的影响。
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12.发明授权Optical amplifier and optical communication system having the optical amplifier 失效具有光放大器的光放大器和光通信系统公开(公告)号：US06288836B1
公开(公告)日：2001-09-11
申请号：US09040323
申请日：1998-03-18
IPC分类号： G01J328
CPC分类号： H04B10/2935 , H01S3/06754 , H01S3/10015 , H01S3/1301 , H04B10/2912 , H04B10/2942
摘要： The present invention relates to an optical amplifier and an optical communication system applied to WDM (wavelength division multiplexing). The optical amplifier includes an optical amplifying medium to which WDM signal light obtained by wavelength division multiplexing a plurality of optical signals having different wavelengths is supplied, a pumping unit for pumping the optical amplifying medium such that the medium gives a gain to the WDM signal light, a feedback loop for controlling the pumping unit so that the gain is maintained constant, and an optical attenuator for giving a variable attenuation to the WDM signal light. Through the structure of the present invention, it becomes possible to provide an optical amplifier which can maintain constant the optical output level per channel of WDM and can maintain the gain characteristic constant.
摘要翻译： 本发明涉及一种应用于WDM（波分复用）的光放大器和光通信系统。 该光放大器包括一个光放大介质，通过波分多路复用多个具有不同波长的光信号获得的WDM信号光，一个泵浦单元，用于泵浦光放大介质，使得介质给予WDM信号光增益 ，用于控制泵送单元以使增益保持恒定的反馈回路，以及用于向WDM信号光提供可变衰减的光衰减器。 通过本发明的结构，可以提供一种能够维持WDM每通道的光输出电平恒定并且可以保持增益特性恒定的光放大器。
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13.发明授权Optical transmitter and laser diode module for use in the optical transmitter 失效用于光发射机的光发射机和激光二极管模块
公开(公告)号：US5646763A
公开(公告)日：1997-07-08
申请号：US528321
申请日：1995-09-14
申请人： Setsuo Misaizu , Sunao Itou , Takashi Tsuda
发明人： Setsuo Misaizu , Sunao Itou , Takashi Tsuda
IPC分类号： H04B10/40 , H01S5/00 , H01S5/30 , H04B10/079 , H04B10/50 , H04B10/524 , H04B10/54 , H04B10/564 , H04B10/60 , H04B10/04
CPC分类号： H04B10/504
摘要： An optical transmitter includes a laser diode module including a laser diode which outputs a light signal to a transmission line, a driving unit which drives the laser diode in accordance with an input signal indicative of data to be transmitted, and a coupling unit for connecting an output of the driving unit to an input of the laser diode module. The coupling unit allows an alternating current to flow through the laser diode and inhibits the output of the driving unit from being subjected to a direct current from the laser diode module.
摘要翻译： 一种光发射机包括：激光二极管模块，包括将光信号输出到传输线的激光二极管;驱动单元，其根据表示要传输的数据的输入信号驱动激光二极管;以及耦合单元， 驱动单元的输出到激光二极管模块的输入。 耦合单元允许交流电流流过激光二极管并且阻止驱动单元的输出经受来自激光二极管模块的直流电流。
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14.发明授权
公开(公告)号：US4803384A
公开(公告)日：1989-02-07
申请号：US921110
申请日：1986-10-21
CPC分类号： H01S5/06216 , H01S5/06835 , H03K5/023 , H03K5/086 , H01S5/0428
摘要： A semiconductor laser driving device using FET's as a positive element in a bias current supply circuit and a pulse current supply circuit, and having compensating circuits for compensating differences in the characteristics of the FET's and a laser diode used in the driving device. Also a pulse amplifier suitable for use as the pulse current supply circuit in the semiconductor driving device, which circuit cuts off a pulse top side portion and a pulse base side portion of an input pulse with respect to a mesial point of the input pulse to obtain an output pulse having a desired pulse amplitude in response to a control signal, without varying a pulse width.
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公开(公告)号：US08587678B2
公开(公告)日：2013-11-19
申请号：US13565634
申请日：2012-08-02
CPC分类号： H04N5/23203 , H04N2005/2255
摘要： According to one embodiment, a head-separated camera device includes an imaging unit, a control unit configured to control the imaging unit and a connection unit configured to connect the imaging unit and the control unit. The imaging unit includes a sensor configured to capture an image to provide a video signal, a superimposition module configured to superimpose, on serial data, the video signal, the synchronization signal, and the clock signal, the serial data serving to reproduce the image captured by the sensor, and a transmitter configured to transmit the serial data to the control unit. The control unit includes a receiver configured to receive the serial data and a separation module configured to separate the serial data received by the receiver, into the video signal, the synchronization signal, and the clock signal.
摘要翻译： 根据一个实施例，头部分离的相机装置包括成像单元，被配置为控制成像单元的控制单元和被配置为连接成像单元和控制单元的连接单元。 成像单元包括被配置为捕获图像以提供视频信号的传感器，叠加模块，被配置为叠加在串行数据上的视频信号，同步信号和时钟信号，用于再现捕获的图像的串行数据 以及被配置为将所述串行数据发送到所述控制单元的发射器。 所述控制单元包括：接收器，用于接收串行数据;分离模块，被配置为将由接收器接收的串行数据分离成视频信号，同步信号和时钟信号。
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公开(公告)号：US20120013755A1
公开(公告)日：2012-01-19
申请号：US13243905
申请日：2011-09-23
申请人： Hiroshi Shinozaki , Masatoshi Ookubo , Kei Tashiro , Takashi Tsuda , Hiroyuki Irikura , Junya Fukumoto
发明人： Hiroshi Shinozaki , Masatoshi Ookubo , Kei Tashiro , Takashi Tsuda , Hiroyuki Irikura , Junya Fukumoto
IPC分类号： H04N5/232
CPC分类号： H04N5/23203
摘要： According to one embodiment, a method for controlling a head-separated camera device in which a camera head and a camera control unit are connected to each other by a cable comprising a line that supplies the camera head with serial data from the camera control unit. The method comprises outputting, by the camera control unit, serial data containing information for specifying a predetermined control target device of a plurality of control target devices to be controlled, where the plurality of control target devices are implemented within the camera head. The method further comprises identifying, by the camera head, the predetermined control target device specified by the serial data received, and supplying the predetermined control target device with an active select signal.
摘要翻译： 根据一个实施例，一种用于控制头部分离的相机装置的方法，其中相机头和照相机控制单元通过电缆彼此连接，所述电缆包括向相机头提供来自相机控制单元的串行数据的线。 所述方法包括由所述照相机控制单元输出包含用于指定要控制的多个控制目标设备的预定控制目标设备的信息的串行数据，其中在所述照相机头内实现所述多个控制目标设备。 该方法还包括由相机头识别由接收到的串行数据指定的预定控制目标装置，并向预定的控制目标装置提供活动选择信号。
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公开(公告)号：US20110025907A1
公开(公告)日：2011-02-03
申请号：US12787157
申请日：2010-05-25
IPC分类号： H04N5/225
CPC分类号： H04N5/23209 , H04N5/23203 , H04N2005/2255
摘要： According to an aspect of the present invention, there is provided a camera head separated type camera device including: a camera head; a camera control unit; and a cable connecting the camera head and the camera control unit with each other, wherein the camera control unit includes: a control portion which feeds a predetermined DC (Direct Current) voltage to the camera head, and wherein the camera head includes: an LVDS conversion driver portion which transmits an LVDS (Low Voltage Differential Signaling) signal to the camera control unit; a correction control portion which outputs a correction value for the LVDS signal; and an LVDS control portion which controls the LVDS conversion driver portion based on the correction value.
摘要翻译： 根据本发明的一个方面，提供了一种相机头分离型相机装置，包括：相机头; 相机控制单元; 以及将相机头和相机控制单元彼此连接的电缆，其中所述照相机控制单元包括：将预定DC（直流）电压馈送到所述相机头的控制部分，并且其中所述相机头包括：LVDS 转换驱动器部分，其向相机控制单元发送LVDS（低电压差分信号）信号; 校正控制部分，输出LVDS信号的校正值; 以及LVDS控制部分，其基于校正值来控制LVDS转换驱动器部分。
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公开(公告)号：US20110013037A1
公开(公告)日：2011-01-20
申请号：US12829965
申请日：2010-07-02
IPC分类号： H04N5/228
CPC分类号： H04N5/23209
摘要： According to one embodiment, a head-separated camera device has an imaging unit, control unit configured to control the imaging unit and a connection unit configured to connect the imaging unit with the control unit, wherein the imaging unit comprises a sensor configured to capture an image, and a transmitter configured to transmit a video signal, a synchronization signal, and a clock signal, for recovering or reproducing the image captured by the sensor, and the control unit comprises detector configured to detect that the imaging unit is connected to the control unit if a preset value preset in the imaging unit is read via a control line, and a setting module configured to set a register setting in the sensor if the detector detects connection of the imaging unit.
摘要翻译： 根据一个实施例，头部分离的相机装置具有成像单元，被配置为控制成像单元的控制单元和被配置为将成像单元与控制单元连接的连接单元，其中所述成像单元包括被配置为捕获 图像和被配置为发送视频信号，同步信号和时钟信号的发射器，用于恢复或再现由传感器捕获的图像，并且控制单元包括检测器，其被配置为检测成像单元连接到控制器 如果通过控制线读取在成像单元中预设的预设值，则设置模块被配置为如果检测器检测到成像单元的连接，则设置在传感器中的寄存器设置。
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公开(公告)号：US20100149387A1
公开(公告)日：2010-06-17
申请号：US12714191
申请日：2010-02-26
申请人： Takashi Tsuda
发明人： Takashi Tsuda
IPC分类号： H04N9/64
CPC分类号： H04N9/045
摘要： According to one embodiment, a shading correction circuit, which corrects for the influence of ambient light quantity shading, for input image light from three CCD sensors of R, G and B, based on a distance from the center of a screen. A shading correction circuit does not make correction for a maximum correction area which is out of a circle with a distance a from the central part of a screen, and corrects for the influence of ambient light quantity shading for a minimum correction area with a distance b from the central part of a screen, after calculating a square L2 of an address distance of each pixel of a correction object obtained by using a vertical distance and a horizontal distance from an address of the central part of a screen.
摘要翻译： 根据一个实施例，一种阴影校正电路，其校正来自R，G和B的三个CCD传感器的输入图像光的环境光量阴影的影响，基于距离屏幕中心的距离。 阴影校正电路不对距离屏幕中心距离a的圆圈以外的最大校正区域进行校正，并且将距离b的最小校正区域的环境光量阴影的影响校正 在从屏幕的中心部分的地址利用垂直距离和水平距离计算校正对象的每个像素的地址距离的平方L2之后，从屏幕的中心部分。
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20.发明授权公开(公告)号：US06496288B2
公开(公告)日：2002-12-17
申请号：US09922777
申请日：2001-08-07
申请人： Kazuo Yamane , Takashi Tsuda , Yumiko Kawasaki , Satoru Okano
发明人： Kazuo Yamane , Takashi Tsuda , Yumiko Kawasaki , Satoru Okano
IPC分类号： H04J1400
CPC分类号： H04J14/02 , H04B10/506 , H04B10/564 , H04B10/572
摘要： The invention provides a wavelength multiplexing transmission apparatus includes a plurality of optical signal outputting sections for outputting optical signals having different wavelengths from each other, and a wavelength multiplexing section for wavelength multiplexing the optical signals outputted from the optical signal outputting sections and sending out a resulting optical signal. Each of the optical signal outputting sections includes a transmission light source driven by an electric signal for outputting an optical signal of a predetermined wavelength, and a wavelength filter capable of passing therethrough and sending out only an optical signal of the predetermined wavelength to be outputted from the transmission light source to prevent a wavelength drift of the optical signal outputted from the transmission light source. A variation of the wavelength of the transmission light source is detected, and the transmission light source is shut down in order to prevent otherwise possible crosstalk with another channel and prevent a further influence of the same.
摘要翻译： 本发明提供了一种波长复用传输装置，包括：多个光信号输出部分，用于输出具有不同波长的光信号;以及波长多路复用部分，用于对从光信号输出部分输出的光信号进行波长多路复用， 光信号。 每个光信号输出部分包括由用于输出预定波长的光信号的电信号驱动的透射光源和能够通过其的波长滤波器，并且仅发送预定波长的光信号以从 传输光源，以防止从传输光源输出的光信号的波长漂移。 检测发送光源的波长的变化，并且关闭发送光源，以防止与另一个信道的可能的串扰，并防止其进一步的影响。
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