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    • 1. 发明申请
    • OPTICAL DISC DEVICE, CROSSTALK CORRECTION METHOD, AND INTEGRATED CIRCUIT
    • 光盘设备,CROSSTALK校正方法和集成电路
    • US20090046549A1
    • 2009-02-19
    • US12097739
    • 2006-12-13
    • Minoru TakazawaShin-ichi YamadaTakeharu YamamotoYasuo Ooishi
    • Minoru TakazawaShin-ichi YamadaTakeharu YamamotoYasuo Ooishi
    • G11B7/00
    • G11B7/0917G11B7/094G11B7/0941G11B7/0948G11B7/0956
    • When a focus error signal (FE signal) is detected with an astigmatic method, a track crossing component leaks into the FE signal. Another detection method for the FE signal would reduce the leaking signal, but is not applicable when the light use efficiency decreases. An optical crosstalk correction amount determination unit (1000) determines a correction amount to correct an output of a tracking error detection unit (120) based on optical crosstalk from a TE signal to an FE signal occurring in reflection light from an optical disc (102) when a spot crosses a track. An output of the tracking error detection unit (120) is multiplied by the determined correction amount, and added to an output of the focus error detection unit (118). A focus control unit (138) executes focus control based on the addition result. This effectively reduces a TE signal component that leaks into the FE signal due to optical crosstalk.
    • 当利用散光法检测到聚焦误差信号(FE信号)时,轨迹交叉分量泄漏到FE信号中。 FE信号的另一种检测方法将减少泄漏信号,但是当光使用效率降低时不适用。 光串扰校正量确定单元(1000)基于从TE信号到来自光盘(102)的反射光中发生的FE信号的光串扰确定校正跟踪误差检测单元(120)的输出的校正量, 当一个点穿过一条轨道。 将跟踪误差检测单元(120)的输出乘以所确定的校正量,并将其相加到聚焦误差检测单元(118)的输出。 聚焦控制单元(138)基于相加结果执行聚焦控制。 这有效地减少了由于光串扰而泄漏到FE信号中的TE信号分量。
    • 2. 发明授权
    • Optical disc apparatus, crosstalk correction method and integrated circuit
    • 光盘装置,串扰校正方法和集成电路
    • US08174941B2
    • 2012-05-08
    • US12097739
    • 2006-12-13
    • Minoru TakazawaShin-ichi YamadaTakeharu YamamotoYasuo Ooishi
    • Minoru TakazawaShin-ichi YamadaTakeharu YamamotoYasuo Ooishi
    • G11B7/00
    • G11B7/0917G11B7/094G11B7/0941G11B7/0948G11B7/0956
    • When a focus error signal (FE signal) is detected with an astigmatic method, a track crossing component leaks into the FE signal. Another detection method for the FE signal would reduce the leaking signal, but is not applicable when the light use efficiency decreases. An optical crosstalk correction amount determination unit (1000) determines a correction amount to correct an output of a tracking error detection unit (120) based on optical crosstalk from a TE signal to an FE signal occurring in reflection light from an optical disc (102) when a spot crosses a track. An output of the tracking error detection unit (120) is multiplied by the determined correction amount, and added to an output of the focus error detection unit (118). A focus control unit (138) executes focus control based on the addition result. This effectively reduces a TE signal component that leaks into the FE signal due to optical crosstalk.
    • 当利用散光法检测到聚焦误差信号(FE信号)时,轨迹交叉分量泄漏到FE信号中。 FE信号的另一种检测方法将减少泄漏信号,但是当光使用效率降低时不适用。 光串扰校正量确定单元(1000)基于从TE信号到来自光盘(102)的反射光中发生的FE信号的光串扰确定校正跟踪误差检测单元(120)的输出的校正量, 当一个点穿过一条轨道。 将跟踪误差检测单元(120)的输出乘以所确定的校正量,并将其相加到聚焦误差检测单元(118)的输出。 聚焦控制单元(138)基于相加结果执行聚焦控制。 这有效地减少了由于光串扰而泄漏到FE信号中的TE信号分量。
    • 4. 发明授权
    • Operation apparatus for on-board devices in automobile
    • 汽车车载设备操作装置
    • US08639414B2
    • 2014-01-28
    • US12948274
    • 2010-11-17
    • Yukihiko SuzakiYasuo OoishiToshiaki HosogaiAtsuki KakinumaTakeo Tokunaga
    • Yukihiko SuzakiYasuo OoishiToshiaki HosogaiAtsuki KakinumaTakeo Tokunaga
    • G06F3/02
    • B60K35/00B60K2350/1092Y02T10/84
    • An operation apparatus includes image capturing device capable of capturing images of a plurality of mark members provided in assembled members in a compartment; determining device capable of determining individually whether each of the mark members is or is not shielded on the basis of the image data taken and outputted by the image capturing device; and operation instructing device configured to output an operation command to on-board devices in accordance with a result of the determining by the determining device. Accordingly, it is easy for an operator to understand operational steps, thereby effectively preventing an erroneous operation due to the operator's misunderstanding. Furthermore, it is possible to simplify a determination logic of the operation instructing device, and also possible to easily provide a retrofitted option.
    • 一种操作装置,包括能够拍摄设置在隔室内的组装部件中的多个标记部件的图像的摄像装置; 确定装置,其能够基于由所述图像捕获装置拍摄和输出的图像数据来单独确定每个标记构件是否被屏蔽; 以及操作指示装置,其被配置为根据所述确定装置的确定结果向车载装置输出操作命令。 因此,操作者易于理解操作步骤,从而有效地防止由于操作者的误解而导致的错误操作。 此外,可以简化操作指示装置的确定逻辑,并且还可以容易地提供改进的选项。