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    • 11. 发明授权
    • Disc drive with rotational driving and optical pickup
    • 带旋转驱动和光学拾音器的光盘驱动器
    • US07843781B2
    • 2010-11-30
    • US12002583
    • 2007-12-18
    • Yuichiro IkemotoTatsumi ItoTakeshi MatsuiKoji Ashizaki
    • Yuichiro IkemotoTatsumi ItoTakeshi MatsuiKoji Ashizaki
    • G11B7/00
    • G11B7/0045G11B7/005G11B19/28G11B2007/0006
    • Disclosed is a disc drive apparatus. The disc drive apparatus includes a rotational driving unit rotating a disc-shaped recording medium having a plurality of addresses recorded on an information recording surface of the disc-shaped recording medium; an optical pickup recording and/or reproducing an information signal on the information recording surface of the disc-shaped recording medium rotated by the rotational driving unit; and a control unit controlling rotation of the disc-shaped recording medium via the rotational driving unit. In the disc drive apparatus, the control unit carries out a disc constant velocity rotating processing that sets a predetermined address out of the plurality of addresses as a constant velocity rotation address and continuously reproduces the constant velocity rotation address using the optical pickup.
    • 公开了一种盘驱动装置。 盘驱动装置包括旋转驱动单元,其旋转具有记录在盘形记录介质的信息记录表面上的多个地址的盘形记录介质; 在由旋转驱动单元旋转的盘状记录介质的信息记录表面上记录和/或再现信息信号的光学拾取器; 以及控制单元,其经由旋转驱动单元控制盘状记录介质的旋转。 在盘驱动装置中,控制单元执行盘定速旋转处理,其将多个地址中的预定地址设置为恒速旋转地址,并使用光学拾取器连续地再现等速旋转地址。
    • 13. 发明申请
    • OPTICAL DISK DEVICE AND ROTATION CONTROL METHOD
    • 光盘设备和旋转控制方法
    • US20090288108A1
    • 2009-11-19
    • US12424834
    • 2009-04-16
    • Yuichiro IkemotoKoji AshizakiTatsumi Ito
    • Yuichiro IkemotoKoji AshizakiTatsumi Ito
    • G11B17/028G11B7/00
    • G11B7/0037G11B19/28
    • An optical disk device of the present invention includes a spindle motor, an optical pick-up, and a rotation control portion. The spindle motor is a rotational drive portion that rotates an optical disk, on an information recording surface of which a plurality of addresses are recorded. The optical pick-up records an information signal onto and plays back the information signal from the information recording surface of the optical disk that is rotated by the spindle motor. The rotation control portion controls the rotation of the optical disk by the spindle motor. In this case, the rotation control portion performs control based on a first reference signal that can be read off the optical disk, such that the optical disk is rotated at a speed that is based on a specified clock count.
    • 本发明的光盘装置包括主轴电动机,光学拾取器和旋转控制部。 主轴电动机是在记录有多个地址的信息记录表面上使光盘旋转的旋转驱动部。 光学拾取器将信息信号记录在由主轴电动机旋转的光盘的信息记录表面上并重放信息信号。 旋转控制部通过主轴电机来控制光盘的旋转。 在这种情况下,旋转控制部分基于可以从光盘读出的第一参考信号进行控制,使得光盘以基于指定时钟计数的速度旋转。
    • 15. 发明授权
    • Optical disk device and rotation control method
    • 光盘装置和旋转控制方法
    • US08004940B2
    • 2011-08-23
    • US12424834
    • 2009-04-16
    • Yuichiro IkemotoKoji AshizakiTatsumi Ito
    • Yuichiro IkemotoKoji AshizakiTatsumi Ito
    • G11B15/00
    • G11B7/0037G11B19/28
    • An optical disk device of the present invention includes a spindle motor, an optical pick-up, and a rotation control portion. The spindle motor is a rotational drive portion that rotates an optical disk, on an information recording surface of which a plurality of addresses are recorded. The optical pick-up records an information signal onto and plays back the information signal from the information recording surface of the optical disk that is rotated by the spindle motor. The rotation control portion controls the rotation of the optical disk by the spindle motor. In this case, the rotation control portion performs control based on a first reference signal that can be read off the optical disk, such that the optical disk is rotated at a speed that is based on a specified clock count.
    • 本发明的光盘装置包括主轴电动机,光学拾取器和旋转控制部。 主轴电动机是在记录有多个地址的信息记录表面上使光盘旋转的旋转驱动部。 光学拾取器将信息信号记录在由主轴电动机旋转的光盘的信息记录表面上并重放信息信号。 旋转控制部通过主轴电机来控制光盘的旋转。 在这种情况下,旋转控制部分基于可以从光盘读出的第一参考信号进行控制,使得光盘以基于指定时钟计数的速度旋转。
    • 16. 发明授权
    • Print method, print apparatus, and recording medium driving apparatus
    • 打印方法,打印装置和记录介质驱动装置
    • US07819495B2
    • 2010-10-26
    • US11986286
    • 2007-11-20
    • Tatsumi ItoTakeshi MatsuiYuichiro Ikemoto
    • Tatsumi ItoTakeshi MatsuiYuichiro Ikemoto
    • B41J2/205
    • B41J2/175B41J3/4071B41J29/38
    • A print method that prints visible information by ejecting ink droplets from a print head onto a printed object rotated by a rotational driving unit is provided. The print method includes the steps of: carrying out impact position correction that corrects displacements in impact positions of the ink droplets to convert the visible information to impact position-corrected polar coordinate data when converting the visible information from biaxial perpendicular coordinate data to polar coordinate data; generating ink ejection data based on the impact position-corrected polar coordinate data; and printing the visible information by ejecting the ink droplets onto the printed object based on the ink ejection data.
    • 提供一种打印方法,其通过将墨滴从打印头喷射到由旋转驱动单元旋转的打印对象上来打印可见信息。 打印方法包括以下步骤:执行冲击位置校正,其校正墨滴的冲击位置中的位移,以将可见信息转换为将可见信息从双轴垂直坐标数据转换为极坐标数据时冲击位置校正的极坐标数据 ; 基于冲击位置校正的极坐标数据产生喷墨数据; 以及通过基于喷墨数据将墨滴喷射到打印对象上来打印可见信息。