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11. 发明授权

US4648085A Optical information recording and reading apparatus with error correction 失效
标题翻译：具有纠错功能的光信息记录读取装置
公开(公告)号：US4648085A
公开(公告)日：1987-03-03
申请号：US610168
申请日：1984-05-14
申请人： Shigeru Shimonou
发明人： Shigeru Shimonou
IPC分类号： G11B7/004 , G11B20/18 , G11B27/36 , G11B7/00
CPC分类号： G11B20/1883 , G11B20/1879 , G11B27/36 , G11B7/004 , G11B2220/20
摘要： An optical information recording and reading apparatus checks the recording of information simultaneously with recording of said information by means of a recording laser beam by detecting a deflected portion of the reflected beam of the recording laser beam from an optical recording medium. An intensity differential signal is generated by monitoring different portions of the deflected portion of the reflected beam. The intensity differential signal is insensitive to intensity changes in the recording laser beam. The accuracy of the recorded information is determined by sensing the change of polarity of the intensity signal. An error signal is generated as a function of the polarity of the intensity differential signal to re-record information not recorded properly.
摘要翻译：光学信息记录和读取装置通过从光记录介质检测记录激光束的反射光束的偏转部分，通过记录激光束同时记录信息的记录。通过监测反射光束的偏转部分的不同部分来产生强度差分信号。强度差分信号对记录激光束的强度变化不敏感。通过感测强度信号的极性的变化来确定记录信息的精度。根据强度差分信号的极性产生误差信号，以重新记录未正确记录的信息。

12. 发明授权

US4488098A Position control system for a movable member 失效
标题翻译：可移动部件的位置控制系统
公开(公告)号：US4488098A
公开(公告)日：1984-12-11
申请号：US379356
申请日：1982-05-18
申请人： Shigeru Shimonou
发明人： Shigeru Shimonou
IPC分类号： G05D3/12 , G05B19/416 , G11B21/08 , G05B13/00
CPC分类号： G05B19/416 , G11B21/081 , G05B2219/37313 , G05B2219/42104 , G05B2219/43008 , G05B2219/43203 , G05B2219/50043
摘要： A position control system has a motor for moving a movable member which is driven, at first, by a non-controlled signal. Responsive to a position error signal which represents a difference between a present position and a commanded position, and to a velocity signal which represents a velocity of the movable member, a deceleration signal is generated for positioning the movable member at the commanded position. When it exceeds a predetermined level, the deceleration signal is applied to the motor, instead of the non-controlled signal.
摘要翻译：位置控制系统具有用于移动首先由非受控信号驱动的可动构件的电动机。响应于表示当前位置和指令位置之间的差异的位置误差信号和表示可移动部件的速度的速度信号，产生用于将可动部件定位在指令位置的减速信号。当超过预定电平时，减速信号被施加到电动机，而不是非受控信号。

13. 发明授权

US5990651A Stepping motor drive apparatus and stepping motor 失效
标题翻译：步进电机驱动装置和步进电机
公开(公告)号：US5990651A
公开(公告)日：1999-11-23
申请号：US123158
申请日：1998-07-27
申请人： Naotoshi Iwazawa , Shigeru Shimonou
发明人： Naotoshi Iwazawa , Shigeru Shimonou
IPC分类号： H02K37/14 , H02P8/00 , H02P8/14 , G05B19/40
CPC分类号： H02P8/00 , H02P8/14
摘要： A stepping motor has Hall elements which detect the position of the rotor and which output detection signals that have the same period as the excitation period, and which leads the position of the rotor by 90 degrees. The stepping motor is driven by the output of a drive current that is obtained by multiplying the detection signals output from the Hall elements with a torque command signal that controls the output torque of the stepping motor.
摘要翻译：步进电机具有霍尔元件，其检测转子的位置，并输出与励磁周期相同周期的检测信号，并将转子的位置引导90度。步进电机由通过将从霍尔元件输出的检测信号乘以控制步进电机的输出转矩的转矩指令信号而得到的驱动电流的输出驱动。

14. 发明授权

US5020044A Head positioning system for use in information recording/reproducing device with means for deriving track crossing signal from tracking error signal 失效
标题翻译：头定位系统，用于信息记录/再现装置，具有用于从跟踪误差信号导出跟踪交叉信号的装置
公开(公告)号：US5020044A
公开(公告)日：1991-05-28
申请号：US300426
申请日：1989-01-23
申请人： Shigeru Shimonou
发明人： Shigeru Shimonou
IPC分类号： G11B7/085 , G11B21/08
CPC分类号： G11B7/08517 , G11B21/085 , G11B7/08541
摘要： An optical disk system comprising a head positioning system for positioning a head at a desired one of the tracks of an optical disk, and a tracking servo system for maintaining the head at the track by detecting a tracking error signal indicating deflection of the head from the track. In order to accurately position the head to the desired track, a track crossing signal deriving circuit derives an alternating signal component having a frequency corresponding to track crossing of the head from the tracking error signal as a track crossing signal. The track crossing signal is converted to a pulse signal which is counted to produce a counted number as a track crossing number. The track crossing number is compared with a desired track number previously set and a position error signal is produced. A head driving motor is driven until the position error signal becomes zero so that the head is correctly positioned at the desired track. The track crossing signal is converted into a voltage signal as a velocity signal. A slew rate of the track crossing signal deriving circuit is controlled by the velocity signal so that the track crossing signal is reliably derived even if the track crossing velocity increases.
摘要翻译：一种光盘系统，包括头部定位系统，用于将光头定位在光盘的期望的一个轨道上;以及跟踪伺服系统，用于通过检测指示头部的偏转的跟踪误差信号来将头保持在轨道上跟踪。为了将磁头精确地定位到期望的轨道，轨道交叉信号导出电路将具有对应于磁头的跟踪轨迹的频率的交替信号分量从跟踪误差信号导出为轨道交叉信号。轨道交叉信号被转换为脉冲信号，该脉冲信号被计数以产生作为轨道交叉数的计数。将轨道交叉号与预先设定的期望轨道号进行比较，并产生位置误差信号。驱动头驱动马达直到位置误差信号变为零，使得头部正确地定位在期望的轨道上。轨道交叉信号作为速度信号被转换为电压信号。轨道交叉信号导出电路的转换速率由速度信号控制，使得即使轨道交叉速度增加，也可靠地导出轨迹交叉信号。

15. 发明授权

US4951274A Magneto-optical head capable of separating beams for reading recorded information and servo information by use of one optical element 失效
标题翻译：能够通过使用一个光学元件分离用于读取记录信息和伺服信息的光束的磁光头
公开(公告)号：US4951274A
公开(公告)日：1990-08-21
申请号：US148310
申请日：1988-01-25
申请人： Toshiaki Iwanaga , Yoshinori Sasaki , Shigeru Shimonou
发明人： Toshiaki Iwanaga , Yoshinori Sasaki , Shigeru Shimonou
IPC分类号： G11B7/135 , G11B11/105
CPC分类号： G11B11/10545 , G11B7/0909 , G11B7/1356
摘要： A magneto-optical head for reading information from a recording medium, the head having a laser-based optical system that comprises two light paths, a first path from the source to and continuing through or reflecting from medium and a second path in a different direction which directs light from the medium to a detector. The second path includes a dual prism multiplying element (Wollaston prism) for dividing the reflected beam into three distinctly oriented beams, and a multi division photodetector for detecting a servo signal by the astigmatism method and an information signal by a differential polarization method.
摘要翻译：一种用于从记录介质读取信息的磁光头，所述头部具有基于激光的光学系统，所述光学系统包括两个光路，从所述源到所述源的第一路径，并且在所述第一路径中从所述介质延续或反射，并且沿不同方向其将来自介质的光引导到检测器。第二路径包括用于将反射光束分成三个明显取向的光束的双棱镜乘法元件（Wollaston棱镜），以及用于通过散光法检测伺服信号的多分光电检测器和通过差分偏振方法的信息信号。

16. 发明授权

US4615023A Beam access apparatus for optical disc system 失效
标题翻译：光盘系统光束存取装置
公开(公告)号：US4615023A
公开(公告)日：1986-09-30
申请号：US765172
申请日：1985-08-12
申请人： Hiroshi Inada , Tadashi Nomura , Shigeru Shimonou
发明人： Hiroshi Inada , Tadashi Nomura , Shigeru Shimonou
IPC分类号： G11B7/085 , G11B7/09 , G11B21/10
CPC分类号： G11B7/0901 , G11B7/08505 , Y10S358/907
摘要： A beam access apparatus for an optical disc system. The apparatus includes a lens position detector for generating a lens position signal indicating a position of the objective lens in a radial direction of the disc with respect to the optical head which is movable relative to the disc. The apparatus is operated in a head access mode in which the optical head is moved in the radial direction of the disc and the objective lens is caused to follow the movement of the optical head such that the objective lens is positioned at a predetermined location with respect to the optical head. The apparatus is also operable in a lens access mode wherein the objective lens is moved in the radial direction and the optical head is caused to follow the objective lens such that the objective lens is located at a predetermined position with respect to the optical head.
摘要翻译：一种用于光盘系统的光束存取装置。该装置包括一个透镜位置检测器，用于产生一个透镜位置信号，该透镜位置信号指示相对于相对于光盘可移动的光学头的盘的径向方向的物镜的位置。该装置以头部存取模式操作，其中光学头沿盘的径向移动，使物镜跟随光学头的移动，使得物镜相对于到光学头。该设备还可以在透镜访问模式下操作，其中物镜沿径向移动并且使光学头跟随物镜使得物镜相对于光学头位于预定位置。

17. 发明申请

US20090059747A1 RECORDING CONDITION ADJUSTMENT METHOD FOR INFORMATION RECORDING MEDIUM AND INFORMATION RECORDING/REPRODUCING APPARATUS 审中-公开
标题翻译：用于记录信息记录和信息记录/再现装置的记录条件调整方法
公开(公告)号：US20090059747A1
公开(公告)日：2009-03-05
申请号：US11817464
申请日：2006-03-14
申请人： Masaki Nakano , Masatsugu Ogawa , Shigeru Shimonou
发明人： Masaki Nakano , Masatsugu Ogawa , Shigeru Shimonou
IPC分类号： G11B20/00
CPC分类号： G11B7/1267 , G11B7/00718 , G11B7/0956
摘要： [PROBLEMS] To reduce the number of recording condition adjustment steps before information recording, simplify the recording condition adjustment procedure, and perform stable and accurate recoding condition adjustment of an information recording medium.[MEANS FOR SOLVING PROBLEMS] When recording information on a recording medium, the recording condition is optimized. Next, under the optimized recording condition, a signal is recorded in a prescribed area of the information recording medium. Next, by using the signal recorded under the optimized recording condition, a part of the recording condition for the next and later is adjusted. Thus, a part of the recording condition is adjusted by using the signal recorded under the optimized recording condition and accordingly, it is possible to rapidly perform the recording condition adjustment before information recording.
摘要翻译： [问题]为了减少信息记录前的记录条件调整步骤的数量，简化记录条件调整程序，并且执行信息记录介质的稳定和准确的记录条件调整。解决问题的方法当在记录介质上记录信息时，优化记录条件。接下来，在优化的记录条件下，信号被记录在信息记录介质的规定区域中。接下来，通过使用在优化记录条件下记录的信号，调整下一个和稍后的记录条件的一部分。因此，通过使用在优化的记录条件下记录的信号来调整记录条件的一部分，因此，可以在信息记录之前快速执行记录条件调整。

18. 发明授权

US07136339B2 Positioning control apparatus and method capable of reducing relative position error without increasing gain and frequency band of transfer characteristics of control system 有权
公开(公告)号：US07136339B2
公开(公告)日：2006-11-14
申请号：US10156132
申请日：2002-05-29
申请人： Masashi Kubota , Shigeru Shimonou , Naotoshi Iwazawa
发明人： Masashi Kubota , Shigeru Shimonou , Naotoshi Iwazawa
IPC分类号： G11B7/00
CPC分类号： G11B7/0953 , G11B7/0956 , G11B21/083
摘要： A positioning control apparatus for controlling a moving member to trace the position of a target member which almost equally repeats the position shift at a predetermined period comprises a position detector for detecting a relative position error, a first adder for adding a delay signal and a position error signal, a signal delay unit for outputting the delay signal which is obtained by delaying an output signal of the first adder at a period corresponding to the position shift of the target member, a second adder for adding the position error signal and the delay signal, a third adder for adding an output of the second adder and the delay signal via a filter, a compensating unit for performing the compensation for offset and/or the compensation for stabilization of the positioning control apparatus based on an output of the third adder, a drive unit for driving the moving member based on an output of the compensating unit, and a delay-amount setting unit for setting the amount of delay of a signal delayed by the signal delay unit.

19. 发明申请

US20060181981A1 Optical disc recording system 失效
公开(公告)号：US20060181981A1
公开(公告)日：2006-08-17
申请号：US11136863
申请日：2005-05-25
申请人： Naoto Yamamoto , Shigeru Shimonou , Masatsugu Ogawa
发明人： Naoto Yamamoto , Shigeru Shimonou , Masatsugu Ogawa
IPC分类号： G11B5/09
CPC分类号： G11B27/32 , G11B20/10 , G11B20/1217 , G11B2020/1265 , G11B2020/1267 , G11B2020/1285 , G11B2020/1292 , G11B2220/218 , G11B2220/2562
摘要： An optical disc recording system includes a host apparatus configured to issue commands; and an optical disc recording apparatus configured to carry out a process corresponding to each of the commands, and to reply a response data to the command to the host apparatus. The host apparatus issues a record command as one of the commands to record a record data in an optical disc medium, and an optical disc recording apparatus records the record data in a data area in a predetermined format in response to the record command, wherein the optical disc comprises the data area and a first control data recording area. The optical disc recording apparatus additionally sets each of second control data recording areas in the data area in association with a command from the host apparatus as one of the commands, and a record status control data is recorded in the first or second control data recording area to indicate record status of the record data. At least a part of a second control data recording area associated data with at least one of the second control data recording areas is shared by the host apparatus and the optical disc recording apparatus.

20. 发明授权

US5737282A Optical disk apparatus and track access control method utilizing positioned shift between scanning beams 失效
标题翻译：光盘装置和轨道存取控制方法利用位于扫描光束之间的位置
公开(公告)号：US5737282A
公开(公告)日：1998-04-07
申请号：US607637
申请日：1996-02-27
申请人： Shigeru Shimonou
发明人： Shigeru Shimonou
IPC分类号： G11B7/0045 , G11B7/005 , G11B7/0055 , G11B7/085 , G11B11/105 , G11B17/22 , G11B11/00
CPC分类号： G11B11/10571 , G11B11/10563 , G11B7/08541 , G11B7/08582 , G11B7/0045 , G11B7/005 , G11B7/0055
摘要： An optical disk apparatus includes first and second objective lenses, a carriage, a moving mechanism, a fixed optical system, a main control section, track access control circuits, a first positional shift correction circuit, a second positional shift correction circuit, first and second driving members, an arithmetic circuit, and a correction member. The first and second driving members slightly drive the first and second objective lenses in a track crossing direction in accordance with the first and second positional shift correction signals, respectively. The first and second positional shift correction circuits count first and second track position signals to output first and second positional error signals with respect to a target track, and output the first and second positional shift correction signals to the first and second driving members based on the first and second positional error signals and the first and second track position signals, respectively. The arithmetic circuit calculates a difference between the first and second positional error signals to output an inter-beam positional shift signal. The correction member corrects one of the first and second positional shift correction signals based on the inter-beam positional shift signal.
摘要翻译：光盘装置包括第一和第二物镜，滑架，移动机构，固定光学系统，主控制部分，轨道存取控制电路，第一位置偏移校正电路，第二位置偏移校正电路，第一和第二驱动构件，运算电路和校正构件。第一和第二驱动构件分别根据第一和第二位置偏移校正信号沿轨道交叉方向稍微驱动第一和第二物镜。第一和第二位置偏移校正电路对第一和第二轨道位置信号进行计数，以相对于目标轨迹输出第一和第二位置误差信号，并且基于第一和第二位置偏移校正信号将第一和第二位置偏移校正信号输出到第一和第二驱动构件第一和第二位置误差信号以及第一和第二轨道位置信号。算术电路计算第一和第二位置误差信号之间的差以输出一个射束间位移信号。校正构件基于射束间位置偏移信号来校正第一和第二位置偏移校正信号之一。

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