Optical pickup device and focusing control method of the same
    1.
    发明申请
    Optical pickup device and focusing control method of the same 审中-公开
    光拾取装置和聚焦控制方法相同

    公开(公告)号:US20060158995A1

    公开(公告)日:2006-07-20

    申请号:US11250416

    申请日:2005-10-17

    IPC分类号: G11B7/00

    摘要: An optical pickup device and a focusing control method thereof are provided which can determine a DC offset caused by cross-talk of a focus error signal, eliminate the DC offset based on the determination, correct errors in a focus error signal of a main beam, which is caused by interference of side beams, so that optimal focus tracking can be performed. For this, the optical pickup device has at least one or more light sources, a diffraction optical element which diffracts light from the light source into a plurality of beams, an objective lens which condenses the plurality of beams diffracted by the diffraction optical element, a photo detector which detects the plurality of beams reflected from discs, and an auxiliary photo detector which detects the plurality of beams reflected from the discs to perform error correction of focus error detection signals obtained by the photo detector.

    摘要翻译: 提供一种光拾取装置及其聚焦控制方法,其可以确定由聚焦误差信号的串扰引起的DC偏移,基于该确定消除DC偏移,校正主波束的聚焦误差信号中的误差, 这是由侧波束的干扰引起的,从而可以进行最佳的聚焦跟踪。 为此,光学拾取装置具有至少一个或多个光源,将来自光源的光衍射成多个光束的衍射光学元件,会聚由衍射光学元件衍射的多个光束的物镜, 光检测器,其检测从光盘反射的多个光束;以及辅助光检测器,其检测从盘反射的多个光束,以对由光检测器获得的聚焦误差检测信号进行纠错。

    Optical pickup apparatus
    2.
    发明授权
    Optical pickup apparatus 有权
    光拾取装置

    公开(公告)号:US07613095B2

    公开(公告)日:2009-11-03

    申请号:US11290457

    申请日:2005-12-01

    IPC分类号: G11B7/00

    摘要: An optical pickup apparatus according to an embodiment of the present invention, comprises an optical unit for projecting a plurality of wavelengths of light, the light including a celadon light, toward a recording medium and receiving the light reflected from the recording medium to thereby detect an information signal and an error signal, and a compatible objective lens for focusing a light projected from the optical unit to thereby form an optical spot on a recording surface of the recording medium and applying at least three light having different wavelength ranges to be compatibly used for both the high-density and the low-density recording mediums. Accordingly, the optical pickup apparatus is capable of compatibly employing a high-density recording medium, which uses a celadon light and is slimmer than a digital versatile disc (DVD), and at least one low-density recording medium.

    摘要翻译: 根据本发明实施例的光学拾取装置包括一个光学单元,用于将多个波长的光(包括青瓷光的光)投射到记录介质上,并接收从记录介质反射的光,从而检测一个 信息信号和误差信号,以及用于聚焦从光学单元投影的光的兼容物镜,从而在记录介质的记录表面上形成光点,并且将至少三个具有不同波长范围的光并入,用于 高密度和低密度记录介质。 因此,光拾取装置能够兼容使用青瓷光的高密度记录介质,并且比数字通用盘(DVD)更薄,以及至少一种低密度记录介质。

    Optical pickup apparatus
    3.
    发明申请
    Optical pickup apparatus 有权
    光拾取装置

    公开(公告)号:US20070025229A1

    公开(公告)日:2007-02-01

    申请号:US11290457

    申请日:2005-12-01

    IPC分类号: G11B7/135

    摘要: An optical pickup apparatus according to an embodiment of the present invention, comprises an optical unit for projecting a plurality of wavelengths of light, the light including a celadon light, toward a recording medium and receiving the light reflected from the recording medium to thereby detect an information signal and an error signal, and a compatible objective lens for focusing a light projected from the optical unit to thereby form an optical spot on a recording surface of the recording medium and applying at least three light having different wavelength ranges to be compatibly used for both the high-density and the low-density recording mediums. Accordingly, the optical pickup apparatus is capable of compatibly employing a high-density recording medium, which uses a celadon light and is slimmer than a digital versatile disc (DVD), and at least one low-density recording medium.

    摘要翻译: 根据本发明实施例的光学拾取装置包括一个光学单元,用于将多个波长的光(包括青瓷光的光)投射到记录介质上,并接收从记录介质反射的光,从而检测一个 信息信号和误差信号,以及用于聚焦从光学单元投影的光的兼容物镜,从而在记录介质的记录表面上形成光点,并且将至少三个具有不同波长范围的光并入,用于 高密度和低密度记录介质。 因此,光拾取装置能够兼容使用青瓷光的高密度记录介质,并且比数字通用盘(DVD)更薄,以及至少一种低密度记录介质。

    Semiconductor memory module and semiconductor memory device
    5.
    发明申请
    Semiconductor memory module and semiconductor memory device 有权
    半导体存储器模块和半导体存储器件

    公开(公告)号:US20070171740A1

    公开(公告)日:2007-07-26

    申请号:US11540607

    申请日:2006-10-02

    IPC分类号: G11C29/00 G11C7/00

    摘要: A semiconductor memory module and a semiconductor memory device are disclosed. In one embodiment, the invention provides a semiconductor memory module comprising a circuit board, a plurality of semiconductor memory devices adapted to operate during a test mode and a normal operation mode and mounted on the circuit board, a first signal line set comprising a plurality of first signal lines connected to the plurality of semiconductor memory devices, and a plurality of second signal line sets. Each semiconductor memory device comprises first terminals adapted to receive first signals from the first signal lines, second terminals connected to a corresponding one of the second signal line sets, a third terminal adapted to receive an enable signal during the test mode, and a signal transmitting unit adapted to output second signals to the second terminals in response to the enable signal.

    摘要翻译: 公开了半导体存储器模块和半导体存储器件。 在一个实施例中,本发明提供了一种半导体存储器模块,包括电路板,多个半导体存储器件,适于在测试模式和正常操作模式下操作并安装在电路板上,第一信号线组包括多个 连接到多个半导体存储器件的第一信号线,以及多个第二信号线组。 每个半导体存储器件包括适于从第一信号线接收第一信号的第一端子,连接到第二信号线组中对应的一个信号线组的第二端子,适于在测试模式期间接收使能信号的第三端子和信号传输 该单元适于响应于使能信号将第二信号输出到第二终端。

    Memory module and register with minimized routing path
    6.
    发明申请
    Memory module and register with minimized routing path 失效
    内存模块和注册最小化路由路径

    公开(公告)号:US20070127304A1

    公开(公告)日:2007-06-07

    申请号:US11633353

    申请日:2006-12-04

    IPC分类号: G11C8/00

    CPC分类号: G11C8/18 G11C5/04 G11C5/063

    摘要: A memory module includes a first memory group including a plurality of memory devices, a second memory group including a less number of memory devices with respect to the memory devices in the first memory group, a register configured to provide a command/address signal to the first memory group and a delayed command/address signal to the second memory group, a first signal line configured to transfer the command/address signal to the first memory group, and a second signal line configured to transfer the delayed command/address signal to the second memory group.

    摘要翻译: 存储器模块包括包括多个存储器件的第一存储器组,包括相对于第一存储器组中的存储器件的较少数量的存储器件的第二存储器组,配置成向第一存储器组件提供命令/地址信号的寄存器 第一存储器组和延迟的命令/地址信号到第二存储器组,第一信号线,被配置为将命令/地址信号传送到第一存储器组;以及第二信号线,被配置为将延迟的命令/地址信号传送到 第二内存组。

    Memory module and register with minimized routing path
    7.
    发明授权
    Memory module and register with minimized routing path 失效
    内存模块和注册最小化路由路径

    公开(公告)号:US07652949B2

    公开(公告)日:2010-01-26

    申请号:US11633353

    申请日:2006-12-04

    IPC分类号: G11C8/18

    CPC分类号: G11C8/18 G11C5/04 G11C5/063

    摘要: A memory module includes a first memory group including a plurality of memory devices, a second memory group including a less number of memory devices with respect to the memory devices in the first memory group, a register configured to provide a command/address signal to the first memory group and a delayed command/address signal to the second memory group, a first signal line configured to transfer the command/address signal to the first memory group, and a second signal line configured to transfer the delayed command/address signal to the second memory group.

    摘要翻译: 存储器模块包括包括多个存储器件的第一存储器组,包括相对于第一存储器组中的存储器件的较少数量的存储器件的第二存储器组,配置成向第一存储器组件提供命令/地址信号的寄存器 第一存储器组和延迟的命令/地址信号到第二存储器组,第一信号线,被配置为将命令/地址信号传送到第一存储器组;以及第二信号线,被配置为将延迟的命令/地址信号传送到 第二内存组。

    Optical pickup actuator having aberration correcting mechanism and method of assembling the same
    8.
    发明授权
    Optical pickup actuator having aberration correcting mechanism and method of assembling the same 失效
    具有像差校正机构的光学拾取致动器及其组装方法

    公开(公告)号:US07561498B2

    公开(公告)日:2009-07-14

    申请号:US11311392

    申请日:2005-12-20

    IPC分类号: G11B7/00

    摘要: An optical pickup actuator and a method of assembling the same is provided. The method of assembling the optical pickup actuator comprises the steps of providing a blade having at least one objective lens mounting area and an aberration correcting mechanism mounting area, arranging an objective lens in the objective lens mounting area, positioning an aberration correcting mechanism in the aberration correcting mechanism mounting area such that the central point of the aberration correcting mechanism coincides with the central point of the objective lens, tuning the aberration correction mechanism, and adhering the aberration correcting mechanism using an adhesive.

    摘要翻译: 提供了一种光学拾取器致动器及其组装方法。 组装光学拾取器致动器的方法包括以下步骤:提供具有至少一个物镜安装区域和像差校正机构安装区域的刀片,将物镜布置在物镜安装区域中,将像差校正机构定位在像差 校正机构安装区域,使得像差校正机构的中心点与物镜的中心点重合,调整像差校正机构,并使用粘合剂粘附像差校正机构。

    Memory system with registered memory module and control method
    9.
    发明申请
    Memory system with registered memory module and control method 失效
    具有注册内存模块和控制方法的内存系统

    公开(公告)号:US20060280024A1

    公开(公告)日:2006-12-14

    申请号:US11254696

    申请日:2005-10-21

    IPC分类号: G11C8/00

    摘要: A memory module and related method are disclosed. The memory module comprises a clock generator configured to generate first and second internal clock signals in relation to an external clock signal, and a register configured to receive the first and second internal clock signals. The register stores an external control/address signal in response to the first internal clock signal and transmits an internal control/address signal derived from the external control/address in response to the second internal control/address signal.

    摘要翻译: 公开了一种存储器模块及相关方法。 存储器模块包括被配置为相对于外部时钟信号产生第一和第二内部时钟信号的时钟发生器以及被配置为接收第一和第二内部时钟信号的寄存器。 寄存器响应于第一内部时钟信号存储外部控制/地址信号,并响应于第二内部控制/地址信号发送从外部控制/地址导出的内部控制/地址信号。