公开(公告)号：US5392273A

公开(公告)日：1995-02-21

申请号：US23366

申请日：1993-02-26

申请人： Takashi Masaki ,  Shigenori Yanagi ,  Shigeru Arai

发明人： Takashi Masaki ,  Shigenori Yanagi ,  Shigeru Arai

IPC分类号： G11B7/125 ,  G11B11/105

CPC分类号： G11B7/126 ,  G11B11/10595

摘要： A control method and controller for an optical storage drive including: an optical head having a laser light source for applying light to an optical disk and a detector for receiving reflected light from the optical disk; and a seek mechanism for positioning the optical head on the optical disk. The control method includes: measuring a drive current value with which the laser light source provides a predetermined light power value by an emission adjustment; writing the measured drive current value into a non-volatile memory as an initial value; adjusting the emission of the laser light source so that it provides the predetermined light power value; and comparing the drive current value with which the emission adjustment has been made with the initial value stored in the non-volatile memory. Also disclosed is a control method which measures and stores a write power value providing optimum write performance in a non volatile memory for controlling the power of the laser light source with the measured value.

摘要翻译： 一种用于光学存储驱动器的控制方法和控制器，包括：具有用于向光盘施加光的激光源的光学头和用于接收来自光盘的反射光的检测器; 以及用于将光头定位在光盘上的寻道机构。 控制方法包括：测量激光光源通过排放调整提供预定光功率值的驱动电流值; 将测量的驱动电流值作为初始值写入非易失性存储器; 调整激光光源的发射，使其提供预定的光功率值; 以及将已经进行了排放调整的驱动电流值与存储在非易失性存储器中的初始值进行比较。 还公开了一种控制方法，其测量并存储在非易失性存储器中提供最佳写入性能的写入功率值，以用测量值控制激光光源的功率。

公开(公告)号：US07031242B2

公开(公告)日：2006-04-18

申请号：US09808540

申请日：2001-03-14

申请人： Takashi Masaki ,  Toru Ikeda ,  Shigenori Yanagi

发明人： Takashi Masaki ,  Toru Ikeda ,  Shigenori Yanagi

IPC分类号： G11B7/095

CPC分类号： G11B19/28 ,  G11B7/0045 ,  G11B7/005 ,  G11B7/0901 ,  G11B7/0908

摘要： A storage apparatus rotates an optical recording medium at two or more kinds of rotational speeds. The rotational speed is decreased when a read or write margin becomes less than or equal to a first predetermined value or, when a frequency of generation of a servo abnormality of a tracking servo and/or a focus servo is greater than or equal to a first predetermined frequency. On the other hand, the rotational speed is increased when the read or write margin becomes greater than or equal to a second predetermined value or, when the frequency of generation of the servo abnormality of the tracking servo and/or the focus servo is less than or equal to a second predetermined frequency.

摘要翻译： 存储装置以两种或多种旋转速度旋转光学记录介质。 当读或写余量小于或等于第一预定值时，或者当跟踪伺服和/或聚焦伺服的伺服异常的产生频率大于或等于第一预定值时，转速降低 预定频率。 另一方面，当读取或写入余量变得大于或等于第二预定值时，转速增加，或者当跟踪伺服和/或聚焦伺服的伺服异常的产生频率小于 或等于第二预定频率。

公开(公告)号：US5633848A

公开(公告)日：1997-05-27

申请号：US439756

申请日：1995-05-12

申请人： Takashi Masaki ,  Shigenori Yanagi ,  Manabu Yamamoto

发明人： Takashi Masaki ,  Shigenori Yanagi ,  Manabu Yamamoto

IPC分类号： G11B7/12 ,  G11B23/02 ,  G11B33/10 ,  G11B33/14 ,  G11B3/58

CPC分类号： G11B7/121 ,  G11B23/021 ,  G11B33/1446

摘要： An apparatus for reading information by projecting a light beam from an optical head onto an optical disk rotated by a spindle motor. The rotation time of the spindle motor is measured, and upon reaching a predetermined time, a cleaning request signal is sent to an upper order system. The rotation time of the spindle motor is counted by counting pulses generated with the rotation with a first counter stored in the RAM. Upon reaching a predetermined value by the count of the first counter, a second counter stored in a non-volatile memory is updated. Upon reaching a predetermined value by the second counter, a cleaning request is sent to the upper order system for display on a CRT, and a cleaning request flag in a non-volatile memory is set. When the end of cleaning of the apparatus is recognized, the cleaning request flag in the non-volatile memory is cleared.

摘要翻译： 一种用于通过将来自光头的光束投射到由主轴电动机旋转的光盘上来读取信息的装置。 测量主轴电动机的旋转时间，并且在达到预定时间后，向上级系统发送清洁请求信号。 主轴电动机的旋转时间通过计数存储在RAM中的第一计数器通过旋转产生的脉冲进行计数。 当通过第一计数器的计数达到预定值时，更新存储在非易失性存储器中的第二计数器。 当通过第二计数器达到预定值时，将清洁请求发送到上位系统以在CRT上显示，并且设置非易失性存储器中的清洁请求标志。 当识别装置的清洁结束时，清除非易失性存储器中的清洁请求标志。

公开(公告)号：US07345972B2

公开(公告)日：2008-03-18

申请号：US11175096

申请日：2005-07-05

申请人： Takashi Masaki ,  Toru Ikeda ,  Shigenori Yanagi

发明人： Takashi Masaki ,  Toru Ikeda ,  Shigenori Yanagi

IPC分类号： G11B7/125

CPC分类号： G11B19/28 ,  G11B7/0045 ,  G11B7/005 ,  G11B7/0901 ,  G11B7/0908

摘要： A storage apparatus rotates an optical recording medium at two or more kinds of rotational speeds. The rotational speed is decreased when a read or write margin becomes less than or equal to a first predetermined value or, when a frequency of generation of a servo abnormality of a tracking servo and/or a focus servo is greater than or equal to a first predetermined frequency. On the other hand, the rotational speed is increased when the read or write margin becomes greater than or equal to a second predetermined value or, when the frequency of generation of the servo abnormality of the tracking servo and/or the focus servo is less than or equal to a second predetermined frequency.

摘要翻译： 存储装置以两种或多种旋转速度旋转光学记录介质。 当读或写余量小于或等于第一预定值时，或者当跟踪伺服和/或聚焦伺服的伺服异常的产生频率大于或等于第一预定值时，转速降低 预定频率。 另一方面，当读取或写入余量变得大于或等于第二预定值时，转速增加，或者当跟踪伺服和/或聚焦伺服的伺服异常的产生频率小于 或等于第二预定频率。

公开(公告)号：US06515949B2

公开(公告)日：2003-02-04

申请号：US09727721

申请日：2000-12-01

申请人： Takashi Masaki ,  Shigenori Yanagi

发明人： Takashi Masaki ,  Shigenori Yanagi

IPC分类号： G11B700

CPC分类号： G11B7/126 ,  G11B7/0045 ,  G11B7/005 ,  G11B7/007 ,  G11B11/10504 ,  G11B11/10515 ,  G11B11/10595

摘要： When a migration is predicted and judged of continuous recording and regeneration to an adjacent next optimum condition effective area in the course of data sequential processing for recording or regenerating data continuous in a certain optimum condition effective area, a setting control unit performs optimum condition setting processing (erase, recording, regeneration) of the next optimum condition effective area under the control of an optimum condition setting processing unit, to thereby previously determine the optimum emission power and the optimum magnetic field.

摘要翻译： 当在某个最佳条件有效区域中连续记录或重新生成数据的数据顺序处理过程中，预测并判断为相邻的下一个最佳条件有效区域的连续记录和再生的迁移时，设置控制单元执行最佳条件设置处理 （擦除，记录，再生）在最佳条件设定处理单元的控制下的下一最佳条件有效区域，从而预先确定最佳发射功率和最佳磁场。

公开(公告)号：US6115338A

公开(公告)日：2000-09-05

申请号：US69242

申请日：1998-04-29

申请人： Takashi Masaki ,  Shigenori Yanagi

发明人： Takashi Masaki ,  Shigenori Yanagi

IPC分类号： G11B11/10 ,  G11B7/00 ,  G11B7/004 ,  G11B7/0045 ,  G11B7/006 ,  G11B7/125 ,  G11B11/105 ,  G11B19/04

CPC分类号： G11B7/126 ,  G11B11/10595 ,  G11B19/04 ,  G11B7/0045 ,  G11B7/006 ,  G11B11/10517

摘要： A light emission adjustment processing unit of a laser diode sequentially instructs a D/A converter for light emission of a light emission by test powers at predetermined two points, allows the laser diode to emit the light, instructs a D/A converter for subtraction of subtraction currents corresponding to the test powers at two points, and measures each power by an A/D converter for monitoring. From the measurement results, a relation of the instruction values to an arbitrary power in each D/A converter is obtained by a linear approximation and registered into a power table. When deciding an optimum writing power by a test write, a limit power on the lower limit side is detected while gradually decreasing the writing power from a starting power and a predetermined offset is added to the detected limit power, thereby obtaining the optimum writing power.

摘要翻译： 激光二极管的发光调整处理单元顺序地指示D / A转换器以预定的两点的测试功率发光的发光，允许激光二极管发光，指示D / A转换器减去 对应于两点的测试功率的减法电流，并通过A / D转换器测量每个功率进行监控。 从测量结果，通过线性近似获得每个D / A转换器中的指令值与任意功率的关系，并将其登记到功率表中。 当通过测试写入确定最佳写入功率时，在从启动功率逐渐降低写入功率的同时检测下限侧的限制功率，并将预定偏移量加到检测到的限制功率，从而获得最佳写入功率。

公开(公告)号：US5796697A

公开(公告)日：1998-08-18

申请号：US683121

申请日：1996-07-16

申请人： Takashi Masaki ,  Shigenori Yanagi ,  Toru Fujiwara

发明人： Takashi Masaki ,  Shigenori Yanagi ,  Toru Fujiwara

IPC分类号： G11B17/04 ,  G11B19/02 ,  G11B19/20 ,  G11B19/28 ,  G11B33/02

CPC分类号： G11B17/051 ,  G11B17/0402 ,  G11B19/02 ,  G11B19/20 ,  G11B19/2009 ,  G11B19/28

摘要： A disc-apparatus has a cartridge loading/unloading mechanism to perform a loading operation for attaching an optical disc enclosed in a cartridge inserted from an outside to a rotary shaft of a spindle motor and an unloading operation for removing the optical disc from the rotary shaft of the spindle motor and for ejecting the cartridge to the outside. The loading operation of the cartridge loading/unloading mechanism is executed by the rotation of one direction of a load motor. The unloading operation of the cartridge loading/unloading mechanism is executed by the rotation in the reverse direction of the load motor. A drive current of the load motor is turned on or off at a short period, thereby adjusting so as to optimize a drive torque. When an exchangeable optical disc is loaded, a motor is activated, an initialization control is executed during the acceleration, and after a motor rotational speed reached a specific speed, the apparatus enables the writing/reading operations to be executed. When a voice coil motor is driven simultaneously with the spindle motor during the initialization adjustment, the drive current of the spindle motor is limited.

摘要翻译： 盘装置具有盒装载/卸载机构，用于执行装载操作，用于将封装在从外部插入的盒中的光盘附接到主轴电机的旋转轴，以及用于从旋转轴移除光盘的卸载操作 的主轴电机并将盒子弹出到外部。 盒装载/卸载机构的装载操作通过负载电动机的一个方向的旋转来执行。 通过沿着负载电动机的相反方向的旋转来执行盒装载/卸载机构的卸载操作。 负载电动机的驱动电流在短时间内接通或断开，从而进行调整以优化驱动转矩。 当可更换光盘被加载时，马达被激活，在加速期间执行初始化控制，并且在马达转速达到特定速度之后，该装置使得能够执行写入/读取操作。 在初始化调整期间，当主轴电机同时驱动音圈电机时，主轴电动机的驱动电流受到限制。

公开(公告)号：US5732055A

公开(公告)日：1998-03-24

申请号：US763621

申请日：1996-12-04

申请人： Takashi Masaki ,  Shigenori Yanagi

发明人： Takashi Masaki ,  Shigenori Yanagi

IPC分类号： G11B11/10 ,  G11B7/00 ,  G11B7/004 ,  G11B7/0045 ,  G11B7/006 ,  G11B7/125 ,  G11B11/105 ,  G11B19/04

CPC分类号： G11B7/126 ,  G11B11/10595 ,  G11B19/04 ,  G11B7/0045 ,  G11B7/006 ,  G11B11/10517

摘要： A light emission adjustment processing unit of a laser diode sequentially instructs a D/A converter for light emission of a light emission by test powers at two predetermined two points, allows the laser diode to emit the light, instructs a D/A converter for subtraction of subtraction currents corresponding to the test powers at two points, and measures each power by an A/D converter for monitoring. From the measurement results, a relation of the instruction values to an arbitrary power in each D/A converter is obtained by a linear approximation and registered into a power table. When deciding an optimum writing power by a test write, a limit power on the lower limit side is detected while gradually decreasing the writing power from a starting power and a predetermined offset is added to the detected limit power, thereby obtaining the optimum writing power.

摘要翻译： 激光二极管的发光调整处理单元依次指示D / A转换器以两个预定的两点的测试功率发光的发光，允许激光二极管发光，指示D / A转换器进行减法 对应于两点的测试功率的减法电流，并通过A / D转换器测量每个功率进行监控。 从测量结果，通过线性近似获得每个D / A转换器中的指令值与任意功率的关系，并将其登记到功率表中。 当通过测试写入确定最佳写入功率时，在从启动功率逐渐降低写入功率的同时检测下限侧的限制功率，并将预定偏移量加到检测到的限制功率，从而获得最佳写入功率。

公开(公告)号：US5481510A

公开(公告)日：1996-01-02

申请号：US421043

申请日：1995-04-12

申请人： Takashi Masaki ,  Shigenori Yanagi

发明人： Takashi Masaki ,  Shigenori Yanagi

IPC分类号： G11B7/085 ,  G11B7/00

CPC分类号： G11B7/08588

摘要： A seek control system used in an optical storage apparatus to move an optical head, which at least reads information from an optical disk by applying light thereto, to a target position on the optical disk. The seek control system includes a positioner for moving the optical head for seek, and a one-dimensional optical position detector having a photo-sensitive surface disposed in the path of movement of the optical head to output a position signal corresponding to a light spot position on the photo-sensitive surface. The seek control system further includes a light-emitting device provided on either the optical head or the positioner to apply light to the one-dimensional optical position detector, and a controller for controlling the drive of the positioner on the basis of a position detection output of the one-dimensional optical position detector.

摘要翻译： 一种用于光学存储装置中的寻道控制系统，用于移动光学头，光学头至少从光盘上读出信息到光盘上的目标位置。 搜索控制系统包括用于移动用于搜索的光学头的定位器和具有设置在光学头的移动路径中的光敏表面的一维光学位置检测器，以输出对应于光点位置的位置信号 在感光面上。 搜索控制系统还包括设置在光学头或定位器上的发光装置以向一维光学位置检测器施加光;以及控制器，用于基于位置检测输出来控制定位器的驱动 的一维光学位置检测器。

公开(公告)号：US06985419B2

公开(公告)日：2006-01-10

申请号：US10047139

申请日：2002-01-15

申请人： Toru Ikeda ,  Shigenori Yanagi ,  Takashi Masaki

发明人： Toru Ikeda ,  Shigenori Yanagi ,  Takashi Masaki

IPC分类号： G11B7/00

CPC分类号： G11B7/126 ,  G11B7/00 ,  G11B7/00718 ,  G11B7/0901 ,  G11B7/094 ,  G11B7/0945 ,  G11B7/0956

摘要： A tracking control method measures an optimum offset by measuring a light beam irradiation state of a light beam while offsetting a tracking target position of the light beam on a recording medium so that an optimum light beam irradiation state is obtained at the tracking target position, and carries out a tracking control by setting the measured optimum offset.