公开(公告)号：US20110243270A1

公开(公告)日：2011-10-06

申请号：US12962667

申请日：2010-12-08

Applicant: Kuan-Kai Juan ,  Chia-Wei Liang ,  Feng-Fu Lin ,  Ming-Jiou Yu ,  Cheng-Chung Kuo ,  Shy-Junn Hsiao

Inventor： Kuan-Kai Juan ,  Chia-Wei Liang ,  Feng-Fu Lin ,  Ming-Jiou Yu ,  Cheng-Chung Kuo ,  Shy-Junn Hsiao

IPC: H04L27/04 ,  H04B1/38

CPC classification number: G06F13/4072

Abstract: An exemplary signal processing apparatus includes a signal transmission port, a first signal processing circuit, a second signal processing circuit, and a control circuit. The signal transmission port is shared between a first signal processing operation and a second signal processing operation. The first signal processing circuit performs the first signal processing operation, wherein when the signal processing apparatus operates, the first signal processing circuit is not required to be consistently enabled to use the signal transmission port for signal transmission. The second signal processing circuit performs the second signal processing operation, wherein the signal transmission port is not always required to carry out signal transmission each time the second signal processing circuit is enabled to perform the second signal processing operation. The control circuit selectively enables the first signal processing circuit or the second signal processing circuit.

Abstract translation: 示例性信号处理装置包括信号传输端口，第一信号处理电路，第二信号处理电路和控制电路。 信号传输端口在第一信号处理操作和第二信号处理操作之间共享。 第一信号处理电路执行第一信号处理操作，其中当信号处理装置工作时，不需要始终使第一信号处理电路使用信号传输端口进行信号传输。 第二信号处理电路执行第二信号处理操作，其中每当第二信号处理电路能够执行第二信号处理操作时，信号传输端口并不总是需要执行信号传输。 控制电路选择性地启用第一信号处理电路或第二信号处理电路。

公开(公告)号：US20050190667A1

公开(公告)日：2005-09-01

申请号：US10829968

申请日：2004-04-23

Applicant: Feng-Fu Lin ,  Yi-Jen Chung

Inventor： Feng-Fu Lin ,  Yi-Jen Chung

IPC: G11B7/00 ,  G11B7/085

CPC classification number: G11B7/08529

Abstract: A optical disk drive long distance seek control device and method thereof, capable of feeding back the optical head control device through the step motor control device during the long distance seek; wherein, the step motor control device comprises a velocity profile generator capable of producing a quadratic profile to stabilize the step motor when finishing the seek; and more particular, the optical head control device uses a center error signal and a velocity error signal alternatively; moreover, the velocity error signal can be adjusted according to the output signals from the optical head control device and the step motor control device through a weighting mechanism.

Abstract translation: 一种光盘驱动器长距离寻道控制装置及其方法，能够在长距离寻道期间通过步进电机控制装置反馈光头控制装置; 其中，所述步进马达控制装置包括速度分布发生器，其能够产生二次轮廓以在完成所述寻道时稳定所述步进马达; 更具体地说，光头控制装置交替使用中心误差信号和速度误差信号; 此外，速度误差信号可以根据来自光头控制装置和步进电机控制装置的输出信号通过加权机构进行调整。

公开(公告)号：US07345266B2

公开(公告)日：2008-03-18

申请号：US10756281

申请日：2004-01-14

Applicant: Feng Fu Lin ,  Kuo Chang Lin

Inventor： Feng Fu Lin ,  Kuo Chang Lin

IPC: G02B7/04 ,  G11B7/09 ,  G11B7/095

CPC classification number: G11B7/0956

Abstract: The present invention relates to an optical medium judging method for avoiding the collision of an objective lens with a disk or the failure to judge a warped disk when the optical disk drive judging the disk. This method will move the objective lens so as to obtain the data of the laser beam reflection amount of the focusing beam on the plastic layer of the optical disk. By using the reflection amount, the driving circuit will output a rising direct current voltage of a voltage difference to drive an actuator so as to move the objective lens to a proper position capable of judging the disk without colliding with the disk.

Abstract translation: 本发明涉及一种用于避免物镜与盘的碰撞的光学介质判断方法，或者在判断光盘的光盘驱动器时无法判断翘曲盘。 该方法将移动物镜以获得聚焦光束在光盘的塑料层上的激光束反射量的数据。 通过使用反射量，驱动电路将输出电压差的升高的直流电压来驱动致动器，以将物镜移动到能够判断盘而不与盘碰撞的适当位置。

公开(公告)号：US20070263501A1

公开(公告)日：2007-11-15

申请号：US11432277

申请日：2006-05-11

Applicant: Feng-fu Lin ,  Yi-jen Chung ,  Chun-wei Lin

Inventor： Feng-fu Lin ,  Yi-jen Chung ,  Chun-wei Lin

IPC: G11B7/00

CPC classification number: G11B7/0946 ,  G11B7/00718 ,  G11B7/0948 ,  G11B19/041

Abstract: An optical disc drive includes a pickup head for receiving a reflective light from an optical disc and detecting a reflection signal accordingly, a derived signal generator for generating a derived signal derived from the reflection signal, an envelop generator for filtering the derived signal to generate an envelop of the derived signal, and a controller for receiving the envelop of the derived signal, comparing the envelop of the derived signal with a threshold, and controlling the optical disc drive entering a protection mechanism, when the envelop crosses the threshold in a predetermined time.

Abstract translation: 光盘驱动器包括：拾取头，用于从光盘接收反射光并相应地检测反射信号;导出信号发生器，用于产生从反射信号导出的导出信号;包络发生器，用于对导出信号进行滤波，以产生 导出信号的包络，以及用于接收导出信号的包络的控制器，将导出信号的包络与阈值进行比较，并且当包络在预定时间内越过阈值时，控制进入保护机制的光盘驱动器 。

公开(公告)号：US20050081626A1

公开(公告)日：2005-04-21

申请号：US10708401

申请日：2004-03-01

Applicant: Feng-Fu Lin ,  Tung-Hsu Hsieh

Inventor： Feng-Fu Lin ,  Tung-Hsu Hsieh

IPC: G01M1/16 ,  G11B5/596 ,  G11B23/00 ,  G11B33/08

CPC classification number: G11B33/08 ,  G11B5/59627

Abstract: A CD drive has a pick-up head for reading data of an optical disc, and a motor for rotating the optical disc. The method first adjusts the rotary speed of the motor so that the vibration frequency of the CD drive is approximately the resonance frequency of a coil of the pick-up head. Then, when the vibration frequency of the CD drive is approximately the resonance frequency of the coil of the pick-up head, the method detects if the voltage of a central error (CE) signal of the CD drive is greater than a threshold voltage. Finally, the method determines if the optical disc is an unbalanced disc according to the comparison result.

Abstract translation: CD驱动器具有用于读取光盘数据的拾取头和用于旋转光盘的电动机。 该方法首先调节电动机的转速，使得CD驱动器的振动频率近似于拾取头的线圈的共振频率。 然后，当CD驱动器的振动频率近似于拾取头的线圈的谐振频率时，该方法检测CD驱动器的中心误差（CE）信号的电压是否大于阈值电压。 最后，该方法根据比较结果确定光盘是不平衡盘。

公开(公告)号：US07218579B2

公开(公告)日：2007-05-15

申请号：US10829968

申请日：2004-04-23

Applicant: Feng-Fu Lin ,  Yi-Jen Chung

Inventor： Feng-Fu Lin ,  Yi-Jen Chung

IPC: G11B7/00

CPC classification number: G11B7/08529

Abstract: A optical disk drive long distance seek control device and method thereof, capable of feeding back the optical head control device through the step motor control device during the long distance seek; wherein, the step motor control device comprises a velocity profile generator capable of producing a quadratic profile to stabilize the step motor when finishing the seek; and more particular, the optical head control device uses a center error signal and a velocity error signal alternatively; moreover, the velocity error signal can be adjusted according to the output signals from the optical head control device and the step motor control device through a weighting mechanism.

Abstract translation: 一种光盘驱动器长距离寻道控制装置及其方法，能够在长距离寻道期间通过步进电机控制装置反馈光头控制装置; 其中，所述步进马达控制装置包括速度分布发生器，其能够产生二次轮廓以在完成所述寻道时稳定所述步进马达; 更具体地说，光头控制装置交替使用中心误差信号和速度误差信号; 此外，速度误差信号可以根据来自光头控制装置和步进电机控制装置的输出信号通过加权机构进行调整。

公开(公告)号：US20060083126A1

公开(公告)日：2006-04-20

申请号：US11236642

申请日：2005-09-28

Applicant: Feng-Fu Lin ,  Chih-Han Liu

Inventor： Feng-Fu Lin ,  Chih-Han Liu

IPC: G11B7/00

CPC classification number: G11B7/08511

Abstract: An apparatus for controlling half-wave layer jumping of a pickup head of an optical disk drive includes a half-wave layer jump controller and an output logic unit. The controller receives a focus error signal from a preamplifier to generate a control signal according to the half wave of the focus error signal. The output logic unit outputs a kickout signal, a half-wave layer jump control compensation, and a brake signal in accordance with the timing of the half-wave layer jump control. The output signal are added to a gap balance signal, and the sum is used for controlling layer jumping of the pickup head. Such method adopts an error obtained by comparing the focus error signal with an ideal cycle signal as an additional compensational force for layer jumping.

Abstract translation: 用于控制光盘驱动器的拾取头的半波跳跃的装置包括半波跳跳控制器和输出逻辑单元。 控制器从前置放大器接收聚焦误差信号，根据聚焦误差信号的半波产生控制信号。 输出逻辑单元根据半波跳跳控制的定时输出跳闸信号，半波跳跳控制补偿和制动信号。 输出信号被添加到间隙平衡信号中，并且用于控制拾取头的层跳跃。 这种方法采用通过将聚焦误差信号与理想周期信号进行比较而获得的误差作为层跳跃的附加补偿力。

公开(公告)号：US20090073818A1

公开(公告)日：2009-03-19

申请号：US11854701

申请日：2007-09-13

Applicant: Yi-jen Chung ,  Feng-fu Lin ,  Chun-wei Lin

Inventor： Yi-jen Chung ,  Feng-fu Lin ,  Chun-wei Lin

IPC: G11B21/08

CPC classification number: G11B7/08529

Abstract: A seeking control system in an optical disc drive is disclosed. The system comprises a servo controller, a velocity control unit, and a switch unit. The servo controller receives a central servo signal to output a first tracking control signal for the tracking coil. The velocity control unit receives a tracking error signal to determine a velocity of the pickup head and compares the velocity of the pickup head with a predetermined velocity profile to generate the second tracking control signal. The switch unit outputs the second tracking control signal instead of the first tracking control signal to the motor driver to control the pickup head moving steadily.

Abstract translation: 公开了一种光盘驱动器中的寻道控制系统。 该系统包括伺服控制器，速度控制单元和开关单元。 伺服控制器接收中心伺服信号以输出跟踪线圈的第一跟踪控制信号。 速度控制单元接收跟踪误差信号以确定拾取头的速度，并将拾取头的速度与预定的速度分布进行比较，以产生第二跟踪控制信号。 开关单元将第二跟踪控制信号代替第一跟踪控制信号输出到马达驱动器，以控制拾取头稳定地移动。

公开(公告)号：US20050045800A1

公开(公告)日：2005-03-03

申请号：US10756281

申请日：2004-01-14

Applicant: Feng Fu Lin ,  Kuo Chang Lin

Inventor： Feng Fu Lin ,  Kuo Chang Lin

IPC: G11B7/00 ,  G11B7/095

CPC classification number: G11B7/0956

Abstract: The present invention relates to an optical medium judging method for avoiding the collision of an objective lens with a disk or the failure to judge a warped disk when the optical disk drive judging the disk. This method will move the objective lens so as to obtain the data of the laser beam reflection amount of the focusing beam on the plastic layer of the optical disk. By using the reflection amount, the driving circuit will output a rising direct current voltage of a voltage difference to drive an actuator so as to move the objective lens to a proper position capable of judging the disk without colliding with the disk.

Abstract translation: 本发明涉及一种用于避免物镜与盘的碰撞的光学介质判断方法，或者在判断光盘的光盘驱动器时无法判断翘曲盘。 该方法将移动物镜以获得聚焦光束在光盘的塑料层上的激光束反射量的数据。 通过使用反射量，驱动电路将输出电压差的升高的直流电压来驱动致动器，以将物镜移动到能够判断盘而不与盘碰撞的适当位置。