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1. 发明授权

US06628580B1 Optical recording and reproducing apparatus 有权
标题翻译：光学记录和再现设备
公开(公告)号：US06628580B1
公开(公告)日：2003-09-30
申请号：US09545877
申请日：2000-04-07
申请人： Takashi Kishimoto , Takeharu Yamamoto , Katsuya Watanabe , Tatsuya Takeuchi
发明人： Takashi Kishimoto , Takeharu Yamamoto , Katsuya Watanabe , Tatsuya Takeuchi
IPC分类号： G11B700
CPC分类号： G11B7/08529 , G11B7/08517 , G11B7/0906 , G11B7/0917 , G11B7/0953 , G11B2007/0013
摘要： In track jumping or focus jumping in an optical recording and reproducing apparatus for an optical disk, a light beam is accelerated and decelerated from a track to an adjacent one or from an information plane to an adjacent one in the optical disk. A moving time of light beam under acceleration to an adjacent track or information plane for jumping is measured from the start of acceleration to a predetermined point according to tracking o focus error signal. Then, the deceleration signal for tracking or focus actuator is changed on amplitude or period according to the measured period. Thus, track or focus jumping can be performed stably against external disturbances. Alternatively, the light beam is forced to be driven until the level of the tracking or focus error signal is decreased below a predetermined value after the output of the deceleration signal is completed.
摘要翻译：在用于光盘的光学记录和再现装置中的轨道跳跃或聚焦跳跃中，光束从光盘到光盘加速和减速到相邻的一个或从信息平面到相邻的一个。根据跟踪o聚焦误差信号，从加速开始到预定点测量加速下的光束到相邻轨迹或信息平面的移动时间。然后，跟踪或聚焦致动器的减速信号根据测量周期在幅度或周期上改变。因此，可以针对外部干扰稳定地执行跟踪或聚焦跳跃。或者，在完成减速信号的输出之后，迫使光束被驱动直到跟踪或聚焦误差信号的电平降低到预定值以下。

2. 发明授权

US07480232B2 Optical disc apparatus 有权
标题翻译：光盘装置
公开(公告)号：US07480232B2
公开(公告)日：2009-01-20
申请号：US11159801
申请日：2005-06-23
申请人： Yuichi Kuze , Katsuya Watanabe , Takeharu Yamamoto , Takashi Kishimoto , Kenji Fujiune
发明人： Yuichi Kuze , Katsuya Watanabe , Takeharu Yamamoto , Takashi Kishimoto , Kenji Fujiune
IPC分类号： G11B7/24
CPC分类号： G11B20/0026 , G11B7/00736 , G11B7/08505 , G11B20/10009 , G11B27/24 , G11B27/329 , G11B2020/1259 , G11B2220/211 , G11B2220/2562
摘要： An optical disc apparatus according to the present invention is usable for an optical disc including a bar code area and a control data area adjacent to the bar code area in a radial direction of the optical disc. The optical disc apparatus includes an optical head for directing an optical beam toward the optical disc so as to form an optical spot on the optical disc and output a signal in accordance with the optical beam reflected by the optical disc; a bar code area determination section for determining whether or not the optical spot is positioned on the bar code area of the optical disc based on the signal output by the optical head; and a control section for controlling the optical head so that the optical spot moves toward the control data area, when the optical spot is determined to be positioned on the bar code area.
摘要翻译：根据本发明的光盘装置可用于包括条形码区域和与光盘径向方向上的条形码区域相邻的控制数据区域的光盘。光盘装置包括用于将光束引向光盘以在光盘上形成光点并根据由光盘反射的光束输出信号的光学头; 条形码区域确定部分，用于基于由光头输出的信号确定光点是否位于光盘的条形码区域上; 以及控制部，用于当确定光点被定位在条形码区域上时，控制光学头，使得光点朝向控制数据区移动。

3. 发明授权

US06834030B2 Optical disk apparatus 有权
标题翻译：检测异常状态的盘装置
公开(公告)号：US06834030B2
公开(公告)日：2004-12-21
申请号：US10463368
申请日：2003-06-17
申请人： Takashi Kishimoto , Takeharu Yamamoto , Kenji Fujiune , Katsuya Watanabe
发明人： Takashi Kishimoto , Takeharu Yamamoto , Kenji Fujiune , Katsuya Watanabe
IPC分类号： G11B700
CPC分类号： G11B7/0946 , G11B7/0901 , G11B7/0908 , G11B7/0941 , G11B7/095 , G11B7/0953
摘要： An optical disk apparatus includes: a light irradiator operable to converge a light beam and irradiate an information carrier with the converged light beam; a traverse motor operable to move the light beam in a direction traversing a track formed on a surface of the information carrier; and a tracking controller operable to control the traverse motor to scan the track with the light beam. The tracking controller includes a deviation detector operable to generate a detection signal, a tracking driving circuit operable to generate a driving signal, an integrator operable to integrate a magnitude of a signal corresponding to the driving signal over a predetermined time period and an abnormal state detector operable to detect an abnormal state of the traverse motor based on an output of the integrator.
摘要翻译：光盘装置包括：光照射器，其可操作以会聚光束并用会聚光束照射信息载体; 横动马达，其可操作以沿着穿过形成在信息载体的表面上的轨道的方向移动光束; 以及跟踪控制器，其可操作以控制横动马达以光束扫描轨道。跟踪控制器包括可操作以产生检测信号的偏差检测器，可操作以产生驱动信号的跟踪驱动电路，可用于在预定时间段内对与驱动信号相对应的信号的大小进行积分的积分器和异常状态检测器可操作以基于积分器的输出来检测横动马达的异常状态。

4. 发明授权

US06714493B1 Optical disk apparatus 有权
标题翻译：光盘装置
公开(公告)号：US06714493B1
公开(公告)日：2004-03-30
申请号：US09696843
申请日：2000-10-26
申请人： Takashi Kishimoto , Takeharu Yamamoto , Kenji Fujiune , Katsuya Watanabe
发明人： Takashi Kishimoto , Takeharu Yamamoto , Kenji Fujiune , Katsuya Watanabe
IPC分类号： G11B700
CPC分类号： G11B7/0946 , G11B7/0901 , G11B7/0908 , G11B7/0941 , G11B7/095 , G11B7/0953
摘要： An optical disk apparatus of the present invention includes: a light irradiator operable to converge a light beam and to irradiate an information carrier (a recording medium) with the converged light beam; a moving means operable to move a converging point of the light beam in a direction substantially perpendicular to a surface of the information carrier; and a focusing controller operable to control the moving means to place the converging point of the light beam at a predetermined position. The focusing controller includes: a converging state detector operable to generate a detection signal corresponding to a converging state of the light beam on the information carrier; a focusing driving means operable to generate a driving signal for driving the moving means based on the detection signal; an integrator operable to integrate a magnitude of a signal corresponding to the driving signal over a predetermined time period; and an abnormal state detector operable to detect an abnormal state of the moving means based on an output of the integrator.
摘要翻译：本发明的光盘装置包括：光照射器，其可操作以会聚光束并照射具有会聚光束的信息载体（记录介质）; 移动装置，可操作以沿着基本垂直于信息载体表面的方向移动光束的会聚点; 以及聚焦控制器，其可操作以控制所述移动装置将所述光束的会聚点放置在预定位置。聚焦控制器包括：会聚状态检测器，用于产生对应于光束在信息载体上的会聚状态的检测信号; 聚焦驱动装置，用于根据检测信号产生用于驱动移动装置的驱动信号; 积分器，其可操作以在预定时间段内积分对应于所述驱动信号的信号的幅度; 以及异常状态检测器，其可操作以基于积分器的输出来检测移动装置的异常状态。

5. 发明授权

US06498772B1 Optical disc apparatus 有权
标题翻译：光盘装置
公开(公告)号：US06498772B1
公开(公告)日：2002-12-24
申请号：US09665278
申请日：2000-09-19
申请人： Kenji Fujiune , Takashi Kishimoto , Takeharu Yamamoto , Katsuya Watanabe
发明人： Kenji Fujiune , Takashi Kishimoto , Takeharu Yamamoto , Katsuya Watanabe
IPC分类号： G11B700
CPC分类号： G11B7/0953
摘要： An optical apparatus includes a generator for generating a sine wave based on a rotating disc-shaped information carrier, and an eccentricity measuring device for measuring gain and phase of a sine wave corresponding to eccentricity of the information carrier based on the driving signal from the tracking control and on the measured rotation frequency. Also included is a waveform shaper for shaping the gain and phase of the sine wave generated by the sine wave generator using the measured gain and phase obtained by the eccentricity measuring device. An eccentricity correction is applied by adding together the sine wave shaped by the waveform shaper and the driving signal from the tracking control to drive an optical beam on a desired track of the rotating disc.
摘要翻译：一种光学装置包括：基于旋转的盘形信息载体产生正弦波的发生器，以及用于根据来自跟踪的驱动信号测量与信息载体的偏心相对应的正弦波的增益和相位的偏心测量装置控制和测量的旋转频率。还包括波形整形器，用于使用由偏心测量装置获得的测量的增益和相位来对由正弦波发生器产生的正弦波的增益和相位进行整形。通过将由波形整形器形成的正弦波和来自跟踪控制的驱动信号相加在驱动旋转盘的期望轨道上的光束，来应用偏心校正。

6. 发明授权

US06925048B2 Optical disc apparatus 有权
标题翻译：光盘装置
公开(公告)号：US06925048B2
公开(公告)日：2005-08-02
申请号：US10046561
申请日：2001-11-09
申请人： Yuichi Kuze , Katsuya Watanabe , Takeharu Yamamoto , Takashi Kishimoto , Kenji Fujiune
发明人： Yuichi Kuze , Katsuya Watanabe , Takeharu Yamamoto , Takashi Kishimoto , Kenji Fujiune
IPC分类号： G11B7/007 , G11B7/085 , G11B20/10 , G11B20/12 , G11B27/24 , G11B27/32 , G11B7/24
CPC分类号： G11B20/0026 , G11B7/00736 , G11B7/08505 , G11B20/10009 , G11B27/24 , G11B27/329 , G11B2020/1259 , G11B2220/211 , G11B2220/2562
摘要： An optical disc apparatus according to the present invention is usable for an optical disc including a bar code area and a control data area adjacent to the bar code area in a radial direction of the optical disc. The optical disc apparatus includes an optical head for directing an optical beam toward the optical disc so as to form an optical spot on the optical disc and output a signal in accordance with the optical beam reflected by the optical disc, a bar code area determination section for determining whether or not the optical spot is positioned on the bar code area of the optical disc based on the signal output by the optical head; and a control section for controlling the optical head so that the optical spot moves toward the control data area, when the optical spot is determined to be positioned on the bar code area.
摘要翻译：根据本发明的光盘装置可用于包括条形码区域和与光盘径向方向上的条形码区域相邻的控制数据区域的光盘。光盘装置包括用于将光束引向光盘以在光盘上形成光点并根据由光盘反射的光束输出信号的光学头，条形码区域确定部分用于基于由光学头输出的信号确定光点是否位于光盘的条形码区域上; 以及控制部，用于当确定光点被定位在条形码区域上时，控制光学头，使得光点朝向控制数据区移动。

7. 发明授权

US06317395B1 Optical disc device for varying PLL characteristic and servo characteristic based on actual reproduction speed 失效
标题翻译：用于根据实际再现速度改变PLL特性和伺服特性的光盘装置
公开(公告)号：US06317395B1
公开(公告)日：2001-11-13
申请号：US09217831
申请日：1998-12-22
申请人： Takeharu Yamamoto , Katsuya Watanabe , Mitsurou Moriya , Takashi Kishimoto
发明人： Takeharu Yamamoto , Katsuya Watanabe , Mitsurou Moriya , Takashi Kishimoto
IPC分类号： G11B700
CPC分类号： G11B7/0908 , G11B7/0941
摘要： The object of the present invention is to realize a stable control and a stable signal reproduction in an optical disc device. When a head unit (110) is shifted in a radial direction or a reproduction speed is varied, a reproduction speed is detected based on a radial position at which the head unit is located and the number of rotaions of a motor (111), and settings of a focusing gain, a tracking gain, an amplification factor of an equalizer circuit (130), a band-limited frequency, a loop gain of a PLL circuit (131) and a divide ratio are varied based on said reproduction speed. Further, an accurate detection of an out of focus operation can be executed by using either one signal of a reflected-light quantity, an RF signal amplitude and a drive of a focusing actuator, or combined signals thereof. Thereby, a stable control and signal reproduction can be provided.
摘要翻译：本发明的目的是在光盘装置中实现稳定的控制和稳定的信号再现。当头单元（110）沿径向移动或再现速度变化时，基于头单元所在的径向位置和马达（111）的旋转数目来检测再现速度，并且基于所述再现速度，改变聚焦增益，跟踪增益，均衡器电路（130）的放大系数，带限频率，PLL电路（131）的环路增益和分频比的设置。此外，可以通过使用反射光量的一个信号，RF信号幅度和聚焦致动器的驱动器或其组合信号来执行对焦操作的精确检测。从而可以提供稳定的控制和信号再现。

8. 发明申请

US20050237867A1 Optical disc apparatus 有权
标题翻译：光盘装置
公开(公告)号：US20050237867A1
公开(公告)日：2005-10-27
申请号：US11159801
申请日：2005-06-23
申请人： Yuichi Kuze , Katsuya Watanabe , Takeharu Yamamoto , Takashi Kishimoto , Kenji Fujiune
发明人： Yuichi Kuze , Katsuya Watanabe , Takeharu Yamamoto , Takashi Kishimoto , Kenji Fujiune
IPC分类号： G11B7/007 , G11B7/085 , G11B20/10 , G11B20/12 , G11B27/24 , G11B27/32 , G11B7/09 , G11B7/125
CPC分类号： G11B20/0026 , G11B7/00736 , G11B7/08505 , G11B20/10009 , G11B27/24 , G11B27/329 , G11B2020/1259 , G11B2220/211 , G11B2220/2562
摘要： An optical disc apparatus according to the present invention is usable for an optical disc including a bar code area and a control data area adjacent to the bar code area in a radial direction of the optical disc. The optical disc apparatus includes an optical head for directing an optical beam toward the optical disc so as to form an optical spot on the optical disc and output a signal in accordance with the optical beam reflected by the optical disc; a bar code area determination section for determining whether or not the optical spot is positioned on the bar code area of the optical disc based on the signal output by the optical head; and a control section for controlling the optical head so that the optical spot moves toward the control data area, when the optical spot is determined to be positioned on the bar code area.
摘要翻译：根据本发明的光盘装置可用于包括条形码区域和与光盘径向方向上的条形码区域相邻的控制数据区域的光盘。光盘装置包括用于将光束引向光盘以在光盘上形成光点并根据由光盘反射的光束输出信号的光学头; 条形码区域确定部分，用于基于由光头输出的信号确定光点是否位于光盘的条形码区域上; 以及控制部，用于当确定光点被定位在条形码区域上时，控制光学头，使得光点朝向控制数据区移动。

9. 发明授权

US06285635B1 Optical disk apparatus 失效
标题翻译：光盘装置
公开(公告)号：US06285635B1
公开(公告)日：2001-09-04
申请号：US09087545
申请日：1998-05-29
申请人： Katsuya Watanabe , Takeharu Yamamoto , Takashi Kishimoto , Mitsurou Moriya
发明人： Katsuya Watanabe , Takeharu Yamamoto , Takashi Kishimoto , Mitsurou Moriya
IPC分类号： G11B700
CPC分类号： G11B19/12 , G11B7/08523
摘要： An optical disk apparatus for reproducing information from plural types of information carriers or for recording information to plural types of information carriers, has two or more light sources with different wavelengths, a converging part for converging a light beam emitted from each of the light sources on said information carrier, a movement part for moving the converged spot of the light beam converged by the converging part in a direction substantially perpendicular to the surface of the information carrier, a convergence condition detection part for outputting a signal corresponding to the convergence condition of the light beam on the information carrier, an amplitude detection part for measuring the amplitude of the signal of the convergence condition detection part, and a focus control part for driving the movement part in accordance with the output signal of the convergence condition detection part and for performing control so that the convergence condition of the light beam on the information carrier becomes substantially constant, wherein at the start or restart of the apparatus, before the focus control part is driven, when one of the //
摘要翻译：用于从多种类型的信息载体再现信息或用于将信息记录到多种类型的信息载体的光盘装置具有两个或更多个具有不同波长的光源，用于将从每个光源发射的光束会聚的会聚部分所述信息载体，用于使由所述会聚部分收敛的所述光束的会聚点沿基本上垂直于所述信息载体的表面的方向移动的移动部分，用于输出与所述信息载体的所述收敛条件相对应的信号的会聚条件检测部分，在信息载体上的光束，用于测量会聚条件检测部分的信号的幅度的振幅检测部分，以及用于根据会聚条件检测部分的输出信号驱动运动部分的聚焦控制部分，控制使得光的收敛条件成为信息载体上的信号变得基本恒定，其中在设备的开始或重新启动时，在聚焦控制部分被驱动之前，当其中一个//

10. 发明授权

US06567357B2 Optical disk apparatus 有权
标题翻译：光盘装置
公开(公告)号：US06567357B2
公开(公告)日：2003-05-20
申请号：US09839522
申请日：2001-04-20
申请人： Takashi Kishimoto , Yuuichi Kuze , Kenji Fujiune , Takeharu Yamamoto , Katsuya Watanabe
发明人： Takashi Kishimoto , Yuuichi Kuze , Kenji Fujiune , Takeharu Yamamoto , Katsuya Watanabe
IPC分类号： G11B700
CPC分类号： G11B7/08511 , G11B2007/0013
摘要： An optical disk apparatus of the present invention measures a surface deflection component (shape of surface deflection) from a low-pass component of a compensating filter in a surface deflection measuring part provided in a DSP. Furthermore, the optical disk apparatus calculates timing at which a positional change in a surface deflection component in time required for focus jumping is a predetermined value or less in a timing calculating part, and starts focus jumping at the timing. Because of this, stable focus jumping is made possible.
摘要翻译：本发明的光盘装置从设置在DSP中的表面偏转测量部中的补偿滤波器的低通分量测量表面偏转分量（表面偏转的形状）。此外，光盘装置计算定时计算部分中聚焦跳跃所需时间中的表面偏转分量的位置变化为预定值或更小的定时，并且在定时开始聚焦跳跃。因此，可以实现稳定的重点跳跃。

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