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    • 2. 发明授权
    • Optical transmission apparatus and optical communication system
    • 光传输装置和光通信系统
    • US08774624B2
    • 2014-07-08
    • US12230172
    • 2008-08-25
    • Miki OnakaYuichi Suzuki
    • Miki OnakaYuichi Suzuki
    • H04B17/00
    • H04J14/0221H04B10/077H04B2210/078
    • An optical communication system, where in an optical transmission apparatus arranged on a transmission side of respective repeating sections, an OSC optical amplifier is provided on an OSC light optical path between from an OSC transmitter to a multiplexer, and the OSC optical amplifier is controlled so that the power of OSC light transmitted on the transmission path becomes a previously set target value. As a result the OSC light is amplified by a different amplifying device to that for the main signal lights at the time of transmission. Therefore even in the case where the span losses are large, OSC light can be reliably received by the optical transmission apparatus on the reception side.
    • 一种光通信系统,其中在配置在各重复部分的发送侧的光传输装置中,OSC光放大器设置在从OSC发射机到多路复用器之间的OSC光路上,并且OSC光放大器被控制为 在传输路径上传输的OSC光的功率变成预先设定的目标值。 结果,OSC光被不同的放大装置放大到在传输时主信号灯的放大装置。 因此,即使在跨度损耗大的情况下,也可以通过接收侧的光发送装置可靠地接收OSC灯。
    • 4. 发明申请
    • DISC DRIVE AND TRACKING SERVO PULL-IN METHOD
    • DISC驱动和跟踪伺服拉拔方法
    • US20120195177A1
    • 2012-08-02
    • US13352099
    • 2012-01-17
    • Yuichi Suzuki
    • Yuichi Suzuki
    • G11B7/09
    • G11B7/08517G11B7/00452G11B7/0956G11B7/2405G11B2007/0009G11B2007/0013
    • A disc drive includes an optical pickup that emits laser light to a predetermined layer position via an objective lens and detects reflection light of the laser light, a tracking mechanism that drives the objective lens in a tracking direction, a tracking error signal generation unit that generates a tracking error signal, based on a light detecting signal for the reflection light obtained by the optical pickup, a tracking servo control unit that performs a tracking servo control based on the tracking error signal, and a control unit that makes the tracking servo control unit perform tracking servo pull-in on the basis of a frequency measurement result of the tracking error signal and a recording or non-recording determination result based on the light detecting signal.
    • 磁盘驱动器包括通过物镜将激光发射到预定层位置并检测激光的反射光的跟踪机构,跟踪方向驱动物镜的跟踪机构,跟踪误差信号产生单元, 基于由光学拾取器获得的反射光的光检测信号的跟踪误差信号,基于跟踪误差信号执行跟踪伺服控制的跟踪伺服控制单元,以及使跟踪伺服控制单元 基于跟踪误差信号的频率测量结果和基于光检测信号的记录或非记录确定结果执行跟踪伺服拉入。
    • 6. 发明授权
    • Press die cushion controller
    • 压模缓冲控制器
    • US08042375B2
    • 2011-10-25
    • US12225461
    • 2007-03-02
    • Yuichi Suzuki
    • Yuichi Suzuki
    • B21J9/18B21D22/00
    • G05B19/19B21D24/10G05B2219/42094
    • A die-cushion controlling device includes: a position-command-signal outputting section for outputting a position command signal of a die-cushion pad; a position detecting means for detecting a position of the die-cushion pad; a position comparing section for outputting a position deviation signal corresponding to a deviation between the target position value based on the position command signal and a position detection value based on a position detection signal; a position controlling section for outputting a position-speed command signal based on the position deviation signal; a speed controlling section for outputting a motor-current command signal based on the position-speed command signal from the position controlling section; a servo amplifier for generating a current corresponding to the motor-current command signal; and an output switching section that, based on a press signal output when a slide has reached a bottom dead center, switches the position detection signal from the position detection means to the position command signal from the position command signal outputting section.
    • 模具缓冲控制装置包括:位置指令信号输出部,输出模具缓冲垫的位置指令信号; 位置检测装置,用于检测模具垫的位置; 位置比较部分,用于基于位置指令信号输出与目标位置值之间的偏差相对应的位置偏差信号和基于位置检测信号的位置检测值; 位置控制部分,用于基于位置偏差信号输出位置速度命令信号; 速度控制部分,用于基于来自位置控制部分的位置速度指令信号输出电动机电流指令信号; 用于产生对应于电动机电流指令信号的电流的伺服放大器; 以及输出切换部,其基于当滑块已经到达下死点时输出的按压信号,将位置检测信号从位置检测装置切换到来自位置指令信号输出部的位置指令信号。
    • 7. 发明授权
    • Die cushion controller of press machine
    • 冲压机模垫控制器
    • US07905126B2
    • 2011-03-15
    • US12224639
    • 2007-02-26
    • Yuichi Suzuki
    • Yuichi Suzuki
    • B21C51/00B21J9/18
    • B21D24/10
    • A die-cushion controlling device includes a position-command-signal outputting section for outputting a position command signal of a die-cushion pad; a position detecting section for detecting a position of the die-cushion pad; a position comparing section for outputting a position deviation signal corresponding to a deviation between a target position value based on the position command signal and a position detection value based on a position detection signal; a position controlling section for outputting a position-speed command signal based on the position deviation signal; a speed controlling section for outputting a motor-current command signal based on the position-speed command signal; a servo amplifier for generating a current corresponding to the motor-current command signal; and an escape-position-command-signal outputting section for outputting a position command signal for commanding the die-cushion pad to escape from a bottom dead center position based on a press signal outputted when a slide has reached a bottom dead center.
    • 模具缓冲控制装置包括:位置指令信号输出部,输出模具缓冲垫的位置指令信号; 位置检测部分,用于检测模具垫的位置; 位置比较部分,用于输出与基于位置指令信号的目标位置值和基于位置检测信号的位置检测值之间的偏差相对应的位置偏差信号; 位置控制部分,用于基于位置偏差信号输出位置速度命令信号; 速度控制部,其基于所述位置速度指令信号输出电动机电流指令信号; 用于产生对应于电动机电流指令信号的电流的伺服放大器; 逃逸位置指令信号输出部,其基于当滑块到达下死点时输出的按压信号,输出用于命令模具缓冲垫从下死点位置脱离的位置指令信号。
    • 10. 发明申请
    • IMAGE CAPTURE DEVICE
    • 图像捕获设备
    • US20100013956A1
    • 2010-01-21
    • US12503914
    • 2009-07-16
    • Shinji FuruyaEiji AnnoYuichi SuzukiTomoaki Tsutsumi
    • Shinji FuruyaEiji AnnoYuichi SuzukiTomoaki Tsutsumi
    • H04N5/235
    • G03B15/05G03B7/08G03B2215/05H04N5/2354H04N5/243H04N5/343H04N5/351
    • An image capture device according to the present invention includes: an optical system for producing a subject's image; an imager with multiple photodiodes, which reads an electrical signal representing the intensity of light that has been incident on each photodiode from the photodiode, thereby generating an image signal representing the subject's image; a controller, which acquires sensitivity information by photometry in order to adjust the sensitivity of the imager to light and which selects one of multiple methods for reading the electrical signal from each photodiode according to the sensitivity information acquired; and a driver for driving the imager by the reading method selected. The multiple reading methods include a mixing reading method, by which the electrical signals supplied from the photodiodes are added together and then output.
    • 根据本发明的图像捕获装置包括:用于产生被摄体图像的光学系统; 具有多个光电二极管的成像器,其读取表示从光电二极管入射到每个光电二极管上的光强度的电信号,从而生成表示被摄体图像的图像信号; 控制器,其通过光度测量来获取灵敏度信息,以便将成像器的灵敏度调整到光,并且根据获取的灵敏度信息选择用于从每个光电二极管读取电信号的多种方法之一; 以及通过所选择的读取方法驱动成像器的驱动器。 多重读取方法包括混合读取方法,通过该方法将从光电二极管提供的电信号相加在一起,然后输出。