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    • 2. 发明授权
    • Apparatus for and method of recording image
    • 记录图像的装置和方法
    • US07659525B2
    • 2010-02-09
    • US11723578
    • 2007-03-21
    • Hideaki OgawaHiroshi OkamotoKeisuke HirayamaYuji KurokawaHiroyuki FujisawaIchiro Watanabe
    • Hideaki OgawaHiroshi OkamotoKeisuke HirayamaYuji KurokawaHiroyuki FujisawaIchiro Watanabe
    • G03C5/00
    • B41J2/45
    • An image recording apparatus (1) causes a recording head (20) to move through a distance corresponding to one half of the recording width of the recording head (20) in a sub-scanning direction each time a recording drum (10) makes one rotation. This, light emitting devices (23, 24) record two line data in advance, and thereafter following light emitting devices (21, 22) record the same line data repeatedly at the same position. This increases the energy of laser light beams given to a recording position on a printing plate (P) to accomplish the recording of an image with reliability. The recording speed is not extremely decreased because not all light emitting devices (21 to 24) are used to make the repeated recordings at the same position on the printing plate (P). Further, the construction of optical systems and driving systems in the image recording apparatus is not complicated.
    • 图像记录装置(1)使得记录头(20)在每次记录鼓(10)形成一个时,在副扫描方向上使记录头(20)相对于记录头(20)的记录宽度的一半的距离移动 回转。 这样,发光装置(23,24)预先记录两行数据,之后,发光装置(21,22)在同一位置重复记录同一行数据。 这增加了赋予印版(P)上的记录位置的激光束的能量,从而可靠地完成图像的记录。 由于不是所有的发光装置(21〜24)用于在印版(P)上的同一位置进行重复记录,因此记录速度不会极度降低。 此外,图像记录装置中的光学系统和驱动系统的构造并不复杂。
    • 4. 发明授权
    • Optical storing apparatus
    • 光存储装置
    • US06341107B1
    • 2002-01-22
    • US09229384
    • 1999-01-11
    • Ichiro Watanabe
    • Ichiro Watanabe
    • G11B700
    • G11B7/08517G11B11/10563
    • A control unit positions a laser beam toward a target track on a medium on the basis of a tracking error signal (TES) Y indicative of a positional deviation amount from a track center as a zero point on the basis of return light from the medium. A position signal correcting unit executes a correcting arithmetic operation using a non-linear function such as a quadratic polynomial, a quadratic monomial equation, or the like to the TES Y and outputs a corrected TES Z obtained by correcting detection sensitivity characteristics to desired characteristics so that a feedback is sufficiently performed when a lead-in control to the track center by the control unit is executed.
    • 基于来自介质的返回光,基于表示作为零点的轨道中心的位置偏差量的跟踪误差信号(TES)Y,控制单元将激光束朝向介质上的目标轨道定位。 位置信号校正单元使用诸如二次多项式,二次单项式等非线性函数对TES Y执行校正算术运算,并输出通过将检测灵敏度特性校正为期望特性而获得的经校正的TES Z,从而 当执行由控制单元对轨道中心的引入控制时,充分执行反馈。
    • 5. 发明授权
    • System for and method of recognizing and tracking target mark
    • 识别和跟踪目标标记的系统和方法
    • US5521843A
    • 1996-05-28
    • US119228
    • 1993-09-28
    • Masayoshi HashimaFumi HasegawaKeiju OkabayashiIchiro WatanabeShinji KandaNaoyuki SawasakiYuichi Murase
    • Masayoshi HashimaFumi HasegawaKeiju OkabayashiIchiro WatanabeShinji KandaNaoyuki SawasakiYuichi Murase
    • B25J9/16G01S3/786G01S5/16G05D1/02G06K9/46G06T7/20G01S15/06
    • G06K9/4647B25J9/1697B64G1/646G01S3/7864G01S5/163G06K9/3216G06T7/2033G05B2219/39387G05B2219/39397G05B2219/40613G06K2009/3225
    • A system for and a method of recognizing and tracking a target mark with a video camera is disclosed. The system includes a target mark (10) disposed on an object (1) and composed of a black circle and a white triangle mounted centrally on the black circle and three-dimensionally shifted from the black circle, a video camera (20) for imaging the target mark (10), a robot (30) supporting the video camera (20) and movable in directions with six degrees of freedom, an image processor (40) for processing image data of the target mark which is produced by the video camera (20), a shift calculating unit (50) for detecting a shift of the target mark (10) from projected histogram information of the target mark (10) which is produced by the image processor (40), and a robot controller (60) for controlling movement of the robot depending on the shift to enable the video camera (20) to track the target mark (10). The system is capable of tracking the target mark ( 20) attached to the object (1) on a real-time basis. Mark recognizing apparatus capable of accurately recognizing target marks of other shapes is also disclosed.
    • PCT No.PCT / JP93 / 00107 Sec。 371日期:1993年9月28日 102(e)日期1993年9月28日PCT 1993年1月29日PCT公布。 第WO93 / 15376号公报 日期:1993年8月5日。公开了一种使用摄像机识别和跟踪目标标记的系统和方法。 该系统包括设置在物体(1)上并由黑色圆圈和白色三角形组成的目标标记(10),其安装在黑色圆圈的中心并从黑色圆圈三维位移,用于成像的摄像机(20) 所述目标标记(10),支持所述摄像机(20)并且能够以六自由度的方向移动的机器人(30),用于处理由所述摄像机产生的所述目标标记的图像数据的图像处理器 (20),用于根据由图像处理器(40)产生的目标标记(10)的投影直方图信息和机器人控制器(60)检测目标标记(10)的偏移的移位计算单元(50) ),用于根据移动来控制机器人的运动,以使得摄像机(20)能够跟踪目标标记(10)。 该系统能够实时跟踪附接到对象(1)的目标标记(20)。 还公开了能够准确地识别其他形状的目标标记的标记识别装置。
    • 10. 发明授权
    • Storage apparatus having device for controlling track jump of a positioner
    • 具有用于控制定位器的轨道跳跃的装置的存储装置
    • US06628576B1
    • 2003-09-30
    • US09541573
    • 2000-04-03
    • Ichiro WatanabeTakayuki Kawabe
    • Ichiro WatanabeTakayuki Kawabe
    • G11B1926
    • G11B7/08505
    • A track jump control unit adds an FF signal for repetitive disturbance compensation obtained by a learning control which is used in a track-following control and a final value of an FB control low band component just before a track jump to a track jump signal to move a light spot to an adjacent track, thereby driving a carriage. As a track jump signal, a first kick pulse of a predetermined acceleration and a predetermined time, a second kick pulse which continues at a predetermined acceleration until a detection of a track zero-cross point, and a brake pulse of a predetermined acceleration (deceleration) and a predetermined time are used.
    • 轨道跳跃控制单元添加FF信号,用于通过跟踪追踪控制中使用的学习控制获得的重复干扰补偿,以及恰好在轨道跳转到轨道跳转信号之前的FB控制低频带分量的最终值移动 一个光点到相邻的轨道,从而驱动一个滑架。 作为轨迹跳跃信号,预定加速度和预定时间的第一反冲脉冲,以预定加速度继续直到检测到轨迹零交叉点的第二反冲脉冲和预定加速度的制动脉冲(减速度 )并且使用预定时间。