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    • 11. 发明授权
    • Information carrier apparatus and information carrier eccentricity correction method
    • 信息载体设备和信息载体偏心校正方法
    • US07450483B2
    • 2008-11-11
    • US10818142
    • 2004-04-05
    • Kenji Fujiune
    • Kenji Fujiune
    • G11B7/095
    • G11B7/0953
    • An information carrier apparatus for accessing an information carrier having at least one track formed therein includes a times crossed detection section for detecting the number of times that a head structured to access the information carrier has crossed the track; an eccentricity direction detection section for detecting an eccentricity direction of the information carrier based on the number of times; an eccentricity distance detection section for detecting an eccentricity distance of the information carrier based on the eccentricity direction and the number of times; and an eccentricity correction section for correcting eccentricity of the information carrier based on the eccentricity direction and the eccentricity distance.
    • 一种用于访问具有形成在其中的至少一个轨道的信息载体的信息载体装置,包括用于检测构造成访问信息载体的磁头已越过轨道的次数的时间交叉检测部分; 偏心方向检测部,其基于所述次数检测所述信息载体的偏心方向; 偏心距离检测部,其基于偏心方向和次数来检测信息载体的偏心距离; 以及偏心校正部,用于基于偏心方向和偏心距离来校正信息载体的偏心度。
    • 12. 发明申请
    • Optical disk device
    • 光盘装置
    • US20080117735A1
    • 2008-05-22
    • US11985634
    • 2007-11-16
    • Toshiaki Fukui
    • Toshiaki Fukui
    • G11B7/085G11B7/00G11B7/095
    • G11B7/08529G11B7/08511G11B2007/0013
    • There is provided an optical disk device that performs a focus jump operation in a stable and prompt manner. The optical disk device includes an objective lens, a light-detecting element, a lens holder, a shaft member configured to penetrate a hole, a focus drive mechanism, a focus drive circuit, a tracking rotation mechanism, a tracking drive circuit, and a control circuit. The control circuit includes a drive control portion, a wobble control portion, and a switch portion. The drive control portion generates a control signal to be input to the focus drive circuit and a control signal to be input to the tracking drive circuit. The wobble control portion generates a control signal indicating that a current value should fluctuate. During a period of focus jump, the switch portion introduces into the tracking drive circuit the control signal generated by the wobble control portion.
    • 提供了以稳定且及时的方式进行聚焦跳跃操作的光盘装置。 光盘装置包括物镜,光检测元件,透镜保持器,构造成穿透孔的轴构件,聚焦驱动机构,聚焦驱动电路,跟踪旋转机构,跟踪驱动电路和 控制电路。 控制电路包括驱动控制部分,摆动控制部分和开关部分。 驱动控制部分产生要输入到聚焦驱动电路的控制信号和要输入到跟踪驱动电路的控制信号。 摆动控制部分产生指示当前值应该波动的控制信号。 在聚焦跳跃期间,开关部分将由摆动控制部分产生的控制信号引入跟踪驱动电路。
    • 13. 发明申请
    • METHOD AND APPARATUS FOR COMPENSATING PERIODIC SIGNAL
    • 用于补偿周期性信号的方法和装置
    • US20080049571A1
    • 2008-02-28
    • US11834787
    • 2007-08-07
    • Kuo-jung Lan
    • Kuo-jung Lan
    • G11B7/095
    • G11B7/0953
    • An apparatus and a method for compensating periodic signal in an optical disc drive are described. The control apparatus includes an amplitude processing unit, a phase processing unit, and a wave generator. The amplitude processing unit processes the amplitude of the input signal (Sin) based on a reference signal (Sref) for generating an amplitude signal (Sad) wherein the amplitude signal (Sad) has at least one amplitude value (Vad). The phase processing unit processes the phase of the input signal (Sin) based on the reference signal (Sref) for generating a phase signal (Spd) wherein the phase signal (Spd) has at least one phase value (Vpd) during the cycle of the reference signal (Sref). The wave generator generates a compensated wave signal (Scom) based on the amplitude value (Vad) and the phase value (Vpd) during the cycle of the reference signal (Sref), and the wave generator outputs the compensated wave signal (Scom) for compensating the periodic signal of the input signal (Sin).
    • 描述了用于补偿光盘驱动器中的周期性信号的装置和方法。 控制装置包括幅度处理单元,相位处理单元和波发生器。 振幅处理单元基于用于产生振幅信号(S SUB><>>)的参考信号(S SUB)来处理输入信号的幅度(S SUB) / SUB>),其中振幅信号(S SUB)具有至少一个振幅值(V SUB)。 相位处理单元基于用于产生相位信号的参考信号(S SUB)来处理输入信号的相位(S SUB),以便产生相位信号(S< Pd< / SUB>),其中在参考信号的周期期间,相位信号(S SUB)pd具有至少一个相位值(V SUB pd ), / SUB>)。 波发生器基于振幅值(V SUB)和相位值(V SUB)来产生经补偿的波信号(S SUB)。 在参考信号(S SUB)的循环期间,波发生器输出用于补偿输入信号(S(s))的周期信号的补偿波信号 )。
    • 15. 发明授权
    • Information reproducing apparatus and method
    • 信息再生装置及方法
    • US07170829B2
    • 2007-01-30
    • US10448040
    • 2003-05-30
    • Koji Watanabe
    • Koji Watanabe
    • G11B7/095
    • G11B27/105G11B19/02G11B20/10G11B2220/2562
    • An information reproducing apparatus (1) for reproducing contents information recorded by a group unit on a recording medium, is provided with: an input device (80) through which a user input command to resume the reproduction of the contents information can be inputted; a reproducing device (30, 50, 60) for reproducing the contents information; and a control device (70) for (i) identifying a user input waiting mode in which the user input command through said input device is waited for, (ii) determining a position from which the reproduction of the contents information is to be resumed if the user input waiting mode continues for a predetermined time period and (iii) controlling said reproducing device to resume the reproduction of the contents information automatically from the determined position.
    • 一种用于再现由记录介质上的组单元记录的内容信息的信息再现设备(1)具有:可以输入用于恢复内容信息再现的用户输入命令的输入设备(80) 用于再现内容信息的再现设备(30,50,60); 以及(i)识别通过所述输入装置等待用户输入命令的用户输入等待模式的控制装置(70),(ii)确定要恢复内容信息的再现的位置,如果 用户输入等待模式继续预定的时间段,并且(iii)控制所述再现设备从确定的位置自动恢复内容信息的再现。
    • 17. 发明申请
    • Optical disk device and optical disk determination method
    • 光盘装置和光盘确定方法
    • US20060198264A1
    • 2006-09-07
    • US11342338
    • 2006-01-27
    • Masashi UenoYasushi HigashiyamaHiroharu Satoh
    • Masashi UenoYasushi HigashiyamaHiroharu Satoh
    • G11B7/095
    • G11B19/128G11B2007/0006
    • An optical disk device includes first pickup portion PU1 which outputs first detection signal by irradiating first laser beam having first wavelength to surface of optical disk and receiving its reflected light, second pickup portion PU2 having independent structure, which irradiates second laser beam having second wavelength and receives its reflected light so as to output second detection signal, and control portion in which with the first laser beam and the second laser beam so as to receive the first detection signal and the second detection signal, when system data of first class disk system area is detected from the first detection signal, the optical disk is determined to be the first class disk and when system data of second class disk system area is detected from the second detection signal, that optical disk is determined to be the second class.
    • 光盘装置包括第一拾取部分PU 1,其通过将具有第一波长的第一激光束照射到光盘表面并接收其反射光来输出第一检测信号,第二拾取部分PU 2具有独立结构,其照射具有第二激光束的第二激光束 波长并接收其反射光以输出第二检测信号,以及控制部分,其中与第一激光束和第二激光束接收第一检测信号和第二检测信号,当第一等级盘的系统数据 从第一检测信号检测系统区域,将光盘确定为第一类盘,并且当从第二检测信号检测到第二类盘系统区域的系统数据时,该光盘被确定为第二类。
    • 18. 发明申请
    • Optical disk differentiating method and electronic device thereof
    • 光盘微分法及其电子装置
    • US20060193224A1
    • 2006-08-31
    • US11357993
    • 2006-02-22
    • Ting Lin
    • Ting Lin
    • G11B7/095
    • G11B7/005G11B2007/0006
    • An optical disk differentiating method applied to an optical disk drive, in which a first level value, a second level value and an optical disk differentiating value generating program are stored and an optical disk is put. The method comprises the steps of: generating a laser beam impinging on the optical disk; generating a first reflex signal when the laser beam is reflected by a surface of the optical disk; generating a second reflex signal when the laser beam is reflected by a reflex layer of the optical disk; calculating a first time frame value when the first reflex signal is greater than or equal to the first level value, and rendering a first beginning time value when the first reflex signal firstly equals the first level value; enabling the optical drive to obtain an optical disk differentiating value according to the first time frame value and the optical disk differentiating value generating program; calculating a second beginning time value as the second reflex signal firstly equals the second level value; calculating a difference between the second beginning time value and the first beginning time value and defining the difference as a response time value; and comparing the response time value with the optical disk differentiating value to determine a type of the optical disk.
    • 应用于其中存储第一电平值,第二电平值和光盘微分值产生程序的光盘驱动器的光盘微分法,并且放置光盘。 该方法包括以下步骤:产生入射在光盘上的激光束; 当激光束被光盘的表面反射时产生第一反射信号; 当激光束被光盘的反射层反射时产生第二反射信号; 当所述第一反射信号大于或等于所述第一电平值时,计算第一时间帧值,以及当所述第一反射信号首先等于所述第一电平值时呈现第一开始时间值; 使得光驱能够根据第一时间帧值和光盘微分值产生程序获得光盘微分值; 计算第二起始时间值作为第二反射信号首先等于第二电平值; 计算第二开始时间值和第一开始时间值之间的差并将该差定义为响应时间值; 并将响应时间值与光盘微分值进行比较,以确定光盘的类型。