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1. 发明授权

US07675832B2 Optical element feeding device driving method and optical disk apparatus 失效
标题翻译：光学元件供给装置的驱动方法和光盘装置
公开(公告)号：US07675832B2
公开(公告)日：2010-03-09
申请号：US11679969
申请日：2007-02-28
申请人： Seiji Ono , Naomitsu Kuroda , Eiji Okubo , Yasushi Horie
发明人： Seiji Ono , Naomitsu Kuroda , Eiji Okubo , Yasushi Horie
IPC分类号： G11B7/00
CPC分类号： G11B7/13925 , G11B7/08505 , G11B7/1378 , G11B2007/0013
摘要： An optical element feeding device driving method and an optical disk apparatus capable of detecting biting in a stepping motor and conducting restoration. The optical disk apparatus includes an optical element feeding device including a movable frame for supporting a spherical aberration correcting lens to move the lens in optical axis direction, a spring for applying force to the frame in the direction, a sensor for detecting a lens reference position, a stepping motor, and a lead screw and a nut for converting motor rotation into the direction, a motor driving circuit, a decision circuit for judging abnormality when an output of the sensor does not change even if the driving circuit outputs a driving signal to the motor after reference position detection, and a changeover circuit for lowering a driving frequency than in ordinary operation, based on an abnormality signal.
摘要翻译：一种光学元件供给装置驱动方法和能够检测步进电机中的咬合并进行恢复的光盘装置。该光盘装置包括：光学元件供给装置，包括用于支撑球面像差校正透镜以沿光轴方向移动透镜的可移动框架，用于向该方向施加力的弹簧，用于检测透镜基准位置的传感器步进电动机，以及用于将电动机旋转向该方向转换的导螺杆和螺母，电动机驱动电路，用于当传感器的输出不变化时判断异常的判定电路，即使驱动电路将驱动信号输出到电动机在基准位置检测之后，以及用于根据异常信号降低驱动频率的转换电路。

2. 发明申请

US20070206460A1 OPTICAL ELEMENT FEEDING DEVICE DRIVING METHOD AND OPTICAL DISK APPARATUS 失效
标题翻译：光学元件进给装置驱动方法和光盘装置
公开(公告)号：US20070206460A1
公开(公告)日：2007-09-06
申请号：US11679969
申请日：2007-02-28
申请人： Seiji Ono , Naomitsu Kuroda , Eiji Okubo , Yasushi Horie
发明人： Seiji Ono , Naomitsu Kuroda , Eiji Okubo , Yasushi Horie
IPC分类号： G11B7/00
CPC分类号： G11B7/13925 , G11B7/08505 , G11B7/1378 , G11B2007/0013
摘要： An optical element feeding device driving method and an optical disk apparatus capable of detecting biting in a stepping motor and conducting restoration. The optical disk apparatus includes an optical element feeding device including a movable frame for supporting a spherical aberration correcting lens to move the lens in optical axis direction, a spring for applying force to the frame in the direction, a sensor for detecting a lens reference position, a stepping motor, and a lead screw and a nut for converting motor rotation into the direction, a motor driving circuit, a decision circuit for judging abnormality when an output of the sensor does not change even if the driving circuit outputs a driving signal to the motor after reference position detection, and a changeover circuit for lowering a driving frequency than in ordinary operation, based on an abnormality signal.
摘要翻译：一种光学元件供给装置驱动方法和能够检测步进电机中的咬合并进行恢复的光盘装置。该光盘装置包括：光学元件供给装置，包括用于支撑球面像差校正透镜以沿光轴方向移动透镜的可移动框架，用于向该方向施加力的弹簧，用于检测透镜基准位置的传感器步进电动机，以及用于将电动机旋转向该方向转换的导螺杆和螺母，电动机驱动电路，用于当传感器的输出不变化时判断异常的判定电路，即使驱动电路将驱动信号输出到电动机在基准位置检测之后，以及用于根据异常信号降低驱动频率的转换电路。

3. 发明申请

US20070226759A1 OPTICAL ELEMENT FEEDING DEVICE AND OPTICAL PICKUP UNIT USING THE SAME 失效
标题翻译：光学元件进给装置和使用该光学元件的光学拾取单元
公开(公告)号：US20070226759A1
公开(公告)日：2007-09-27
申请号：US11686382
申请日：2007-03-15
申请人： Seiji Ono , Naomitsu Kuroda , Eiji Okubo , Yasushi Kinoshita
发明人： Seiji Ono , Naomitsu Kuroda , Eiji Okubo , Yasushi Kinoshita
IPC分类号： G11B7/00
CPC分类号： G11B7/085 , G02B7/08 , G11B7/08511 , G11B7/13925 , G11B2007/0013
摘要： In an optical element feeding device and an optical pickup unit using the same, in order to make the device compact and light and achieve a stable operation, the device has a main shaft and a sub shaft supporting a movable frame in which an optical element is arranged in such a manner as to be movable in a direction of an optical axis, a stepping motor, a lead screw rotating on the basis of a rotation of the stepping motor, a resin nut engaging with the lead screw and being movable in the direction of the optical axis on the basis of the rotation of the lead screw, and a spring pressing the movable frame in the direction of the optical axis so as to bring the movable frame into contact with the nut, and a cushioning material is provided between the nut and the movable frame so as to connect the nut and the movable frame.
摘要翻译：在光学元件供给装置和使用该光学元件供给装置的光学拾取装置中，为了使装置紧凑且轻便并且实现稳定的操作，装置具有主轴和副轴，支撑可动框架，光学元件以能够沿光轴方向移动的方式布置，步进马达，基于步进马达的旋转而旋转的导螺杆，与该导螺杆啮合的树脂螺母，能够沿该方向基于所述导螺杆的旋转的所述光轴，以及弹簧沿所述光轴的方向按压所述可动框架，以使所述可动框架与所述螺母接触，并且在所述可动框架之间设置缓冲材料螺母和可动框架，以便连接螺母和可移动框架。

4. 发明授权

US07995450B2 Optical element feeding device and optical pickup unit using the same 失效
标题翻译：光学元件供给装置和使用其的光学拾取单元
公开(公告)号：US07995450B2
公开(公告)日：2011-08-09
申请号：US11686382
申请日：2007-03-15
申请人： Seiji Ono , Naomitsu Kuroda , Eiji Okubo , Yasushi Kinoshita
发明人： Seiji Ono , Naomitsu Kuroda , Eiji Okubo , Yasushi Kinoshita
IPC分类号： G11B23/00
CPC分类号： G11B7/085 , G02B7/08 , G11B7/08511 , G11B7/13925 , G11B2007/0013
摘要： In an optical element feeding device and an optical pickup unit using the same, in order to make the device compact and light and achieve a stable operation, the device has a main shaft and a sub shaft supporting a movable frame in which an optical element is arranged in such a manner as to be movable in a direction of an optical axis, a stepping motor, a lead screw rotating on the basis of a rotation of the stepping motor, a resin nut engaging with the lead screw and being movable in the direction of the optical axis on the basis of the rotation of the lead screw, and a spring pressing the movable frame in the direction of the optical axis so as to bring the movable frame into contact with the nut, and a cushioning material is provided between the nut and the movable frame so as to connect the nut and the movable frame.
摘要翻译：在光学元件供给装置和使用该光学元件供给装置的光学拾取装置中，为了使装置紧凑且轻便并且实现稳定的操作，装置具有主轴和副轴，支撑可动框架，光学元件以能够沿光轴方向移动的方式布置，步进马达，基于步进马达的旋转而旋转的导螺杆，与该导螺杆啮合的树脂螺母，能够沿该方向基于所述导螺杆的旋转的所述光轴，以及弹簧沿所述光轴的方向按压所述可动框架，以使所述可动框架与所述螺母接触，并且在所述可动框架之间设置缓冲材料螺母和可动框架，以便连接螺母和可移动框架。

5. 发明授权

US4611335A Digital data synchronizing circuit 失效
标题翻译：数字数据同步电路
公开(公告)号：US4611335A
公开(公告)日：1986-09-09
申请号：US422190
申请日：1982-09-23
申请人： Takao Arai , Masaharu Kobayashi , Takashi Takeuchi , Eiji Okubo , Hiroshi Endoh
发明人： Takao Arai , Masaharu Kobayashi , Takashi Takeuchi , Eiji Okubo , Hiroshi Endoh
IPC分类号： G11B20/10 , G11B20/14 , H04L7/033 , H04L7/04 , H04L7/02
CPC分类号： G11B20/1403 , G11B20/10527 , H04L7/0331 , H04L7/042
摘要： A circuit for reproducing a signal associated with synchronization with a digital data signal. The digital data signal includes a combination of a plurality of pulses each having a predetermined pulse width. The reproducing circuit comprises a logic circuit for discriminating the pulse width of at least one of the plurality of pulses, an oscillator and a frequency divider connected with the oscillator and responsive to the output of the logic circuit to generate a clock signal timed with the output of the logic circuit.
摘要翻译：一种用于再现与数字数据信号同步的信号的电路。数字数据信号包括具有预定脉冲宽度的多个脉冲的组合。再现电路包括用于鉴别多个脉冲中的至少一个脉冲的脉冲宽度的逻辑电路，与振荡器连接的振荡器和分频器，并且响应逻辑电路的输出以产生与输出定时的时钟信号的逻辑电路。

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