Transfer control device, transfer control method, transfer unit and disc unit
    3.
    发明申请
    Transfer control device, transfer control method, transfer unit and disc unit 失效
    传送控制装置,传送控制方式,传送单元和光盘单元

    公开(公告)号:US20060136937A1

    公开(公告)日:2006-06-22

    申请号:US11094513

    申请日:2005-03-31

    IPC分类号: G11B33/02

    CPC分类号: G11B17/051

    摘要: A disc transfer section for transferring an optical disc by guide members and a transfer roller is disposed adjacent to an opening of a casing 110. A detector 500 for detecting the optical disc is disposed adjacent to the opening. When unloading the optical disc, the peripheral edge of the optical disc contacts with slide members so that the slide members are slid, thereby sensor switches SW1 to SW4 are appropriately switched on and off. Based on a time difference between the timings of the on/off switchings, the relation between a movement trajectory of the center of the optical disc and an axis of symmetry that is a straight line indicating a transfer direction at the center of the opening is judged in order to control the drive of a transfer motor according to the movement trajectory. The amount of advancement when the unloading is completed is kept constant.

    摘要翻译: 用于通过引导构件和转印辊传送光盘的盘传送部分设置成与壳体110的开口相邻。 用于检测光盘的检测器500设置成与开口相邻。 当卸载光盘时,光盘的周缘与滑动部件接触,因此滑动部件滑动,从而适当地打开和关闭传感器开关SW 1至SW 4。 基于开/关切换的定时之间的时间差,判断光盘中心的移动轨迹与作为开口中心的传送方向的直线的对称轴之间的关系 以便根据移动轨迹控制转印马达的驱动。 卸货完成后的进度保持不变。

    Record medium reproduction unit and method for recognizing record medium of reproduction unit
    4.
    发明申请
    Record medium reproduction unit and method for recognizing record medium of reproduction unit 审中-公开
    用于识别再现单元的记录介质的记录介质再现单元和方法

    公开(公告)号:US20050219965A1

    公开(公告)日:2005-10-06

    申请号:US11094588

    申请日:2005-03-31

    摘要: A record medium reproduction unit has a main casing, a transfer device, a pair of sensing pins, a sensing device, and a decision device. The transfer device transfers a larger disk record medium and a smaller disk record medium into and out of the main casing. The sensing pins are movable toward and away from each other and each contact an outer edge of the larger disk record medium when the larger disk record medium enters the main casing. The decision device determines which is inserted into the main casing, the larger disk record medium, the smaller disk record medium, or a special form record medium such as a card-shaped CD based on information supplied from the pair of sensing pins.

    摘要翻译: 记录介质再现单元具有主壳体,传送装置,一对感测针,感测装置和判定装置。 传送装置将更大的盘记录介质和较小的盘记录介质传送到主壳体中。 传感销可以朝着彼此和远离的方向移动,并且当更大的盘记录介质进入主壳体时,每个接触大型盘记录介质的外边缘。 决定装置基于从该对感测针提供的信息,确定哪个插入主壳体,较大的盘记录介质,较小的盘记录介质或特殊形式的记录介质,例如卡形CD。

    Transfer control device, transfer control method, transfer unit and disc unit
    5.
    发明授权
    Transfer control device, transfer control method, transfer unit and disc unit 失效
    传送控制装置,传送控制方式,传送单元和光盘单元

    公开(公告)号:US07768877B2

    公开(公告)日:2010-08-03

    申请号:US11094513

    申请日:2005-03-31

    IPC分类号: G11B21/08

    CPC分类号: G11B17/051

    摘要: A disc transfer section for transferring an optical disc by guide members and a transfer roller is disposed adjacent to an opening of a casing 110. A detector 500 for detecting the optical disc is disposed adjacent to the opening. When unloading the optical disc, the peripheral edge of the optical disc contacts with slide members so that the slide members are slid, thereby sensor switches SW1 to SW4 are appropriately switched on and off. Based on a time difference between the timings of the on/off switchings, the relation between a movement trajectory of the center of the optical disc and an axis of symmetry that is a straight line indicating a transfer direction at the center of the opening is judged in order to control the drive of a transfer motor according to the movement trajectory. The amount of advancement when the unloading is completed is kept constant.

    摘要翻译: 用于通过引导构件和转印辊传送光盘的盘传送部分设置成与壳体110的开口相邻。用于检测光盘的检测器500设置在与开口相邻的位置。 当卸载光盘时,光盘的周缘与滑动部件接触,因此滑动部件滑动,从而适当地打开和关闭传感器开关SW1至SW4。 基于开/关切换的定时之间的时间差,判断光盘中心的移动轨迹与作为开口中心的传送方向的直线的对称轴之间的关系 以便根据移动轨迹控制转印马达的驱动。 卸货完成后的进度保持不变。

    Tilt servo apparatus for optical disc recording/playing apparatus
    7.
    发明授权
    Tilt servo apparatus for optical disc recording/playing apparatus 失效
    用于光盘记录/播放装置的倾斜伺服装置

    公开(公告)号:US06587409B1

    公开(公告)日:2003-07-01

    申请号:US09576901

    申请日:2000-05-23

    IPC分类号: G11B700

    摘要: A tilt servo control apparatus has a tilt error correcting device for correcting a tilt error caused by a tilt angle defined between a normal at an irradiating position of a laser beam irradiated onto a recording surface of an optical recording medium and an optical axis of the laser beam. The tilt error correcting device is driven based on an intensity of the reflected light of the laser beam irradiated onto the recording surface. The apparatus provides a control to hold a drive value of the tilt error correcting device to a predetermined value in response to a track jump command for changing the irradiating position of the laser beam from the first irradiating position to the second irradiating position that is away therefrom by a distance corresponding to a predetermined number of tracks.

    摘要翻译: 倾斜伺服控制装置具有倾斜误差校正装置,用于校正由照射到光记录介质的记录表面上的激光束的照射位置处的法线和激光光轴之间的倾角确定的倾斜误差 光束。 基于照射到记录表面上的激光束的反射光的强度来驱动倾斜误差校正装置。 响应于用于将激光束从第一照射位置的照射位置改变到远离其的第二照射位置的轨道跳转命令,该装置提供控制以将倾斜误差校正装置的驱动值保持在预定值 相对于预定数量的轨道的距离。

    Liquid crystal tilt servo apparatus
    8.
    发明授权
    Liquid crystal tilt servo apparatus 失效
    液晶倾斜伺服装置

    公开(公告)号:US06680886B1

    公开(公告)日:2004-01-20

    申请号:US09548264

    申请日:2000-04-12

    IPC分类号: G11B700

    CPC分类号: G11B7/13927 G11B7/0956

    摘要: A tilt servo apparatus of an optical disc recording/reproducing apparatus, which includes sampling portion for sampling an RF envelope signal at every predetermined rotational angle on the basis of a rotation signal being synchronous with a rotation of the optical recording medium, calculating portion for calculating an average value of the sampled envelope intensities, and control portion for controlling a tilt error correction. The control portion determines the amount of the tilt error correction on the basis of the average value.

    摘要翻译: 一种光盘记录/再现装置的倾斜伺服装置,包括:采样部分,用于根据与光学记录介质的旋转同步的旋转信号以每个预定的旋转角度对RF包络信号进行采样;计算部分,用于计算 采样包络强度的平均值,以及用于控制倾斜误差校正的控制部分。 控制部根据平均值来决定倾斜误差校正量。

    Focusing control apparatus for optimally directing light onto a recording surface
    9.
    发明授权
    Focusing control apparatus for optimally directing light onto a recording surface 失效
    用于将光线最佳地引导到记录表面上的聚焦控制装置

    公开(公告)号:US06256273B1

    公开(公告)日:2001-07-03

    申请号:US09111435

    申请日:1998-07-07

    IPC分类号: G11B700

    摘要: A focusing control apparatus is designed to perform a focus jumping operation successfully. The apparatus has reading device which irradiates read light to a recording medium 1 having information recording surfaces formed on at least two layers, respectively, receiving return light of the read light from the recording medium, and generating a read signal; and control device which executes a focus jumping process to generate a drive signal of a focusing actuator to move an optimum light converging position of the read light from one of the recording surfaces to the other based on a focusing error signal that is generated based on the return light. The apparatus further has drop-out detecting device which detects a drop-out of the read signal and vibration detecting device which detects a vibration of the recording medium or reading device. The control device executes the focus jumping process only when the drop-out is not detected and a vibration detection level of the vibration detecting means is lower than a predetermined value.

    摘要翻译: 聚焦控制装置被设计成成功地执行聚焦跳跃操作。 该装置具有将读取光照射到具有形成在至少两层上的信息记录面的记录介质1的读取装置,分别从记录介质接收读取光的返回光,并产生读取信号; 以及控制装置,其执行聚焦跳跃处理,以产生聚焦致动器的驱动信号,以基于基于所述的聚焦误差信号将所述读取光的最佳聚光位置从所述记录表面之一移动到另一个 回灯 该装置还具有检测读取信号的丢失检测装置和检测记录介质或读取装置的振动的振动检测装置。 只有当没有检测到辍学并且振动检测装置的振动检测水平低于预定值时,控制装置才执行聚焦跳跃处理。

    Focus control apparatus
    10.
    发明授权
    Focus control apparatus 失效
    对焦控制装置

    公开(公告)号:US06091680A

    公开(公告)日:2000-07-18

    申请号:US102250

    申请日:1998-06-22

    IPC分类号: G11B7/00 G11B7/085 G11B7/09

    摘要: Disclosed is a focus control apparatus of the present invention capable of successfully performing an accurate focus jump operation without an erroneous operation of a focus actuator. The apparatus irradiates a light beam onto a recording medium, and generates a focus actuator drive signal for moving an optimized light convergence point of the light beam from one recording surface to the other, based on a focus error signal generated based on a returned light from the recording medium. The focus control apparatus comprises a detector for detecting that the focus error signal crosses a predetermined level as a specified level crossing; instruction means for generating a focus jump instruction; a drive signal generating means for generating the drive signal in response to the focus jump instruction and receiving a detection output from the detection circuit to recognize a timing of a specified level crossing of the focus error signal upon receipt of the detection output, thereby extinguishing the drive signal at the timing of the specified level crossing detection timing; and inhibiting means for inhibiting the recognition of the specified level crossing by the drive signal generating section for a predetermined period in response to the focus jump instruction.

    摘要翻译: 公开了一种本发明的聚焦控制装置,其能够成功地执行精确的聚焦跳跃操作,而不会导致聚焦致动器的错误操作。 该装置将光束照射到记录介质上,并且基于基于从来自第一记录表面的返回光产生的聚焦误差信号,生成聚焦致动器驱动信号,用于将光束的优化光会聚点从一个记录表面移动到另一个记录表面 记录介质。 聚焦控制装置包括检测器,用于检测聚焦误差信号作为指定的电平交叉与预定电平相交; 用于产生聚焦跳转指令的指令装置; 驱动信号发生装置,用于响应于聚焦跳转指令产生驱动信号,并且在接收到检测输出时接收来自检测电路的检测输出,以识别聚焦误差信号的指定电平交叉的定时,由此熄灭 在指定的电平交叉检测定时的定时处的驱动信号; 以及禁止装置,用于响应于聚焦跳转指令,禁止由驱动信号产生部分预定时间段的指定电平交叉的识别。