会员体验
专利管家(专利管理)
工作空间(专利管理)
风险监控(情报监控)
数据分析(专利分析)
侵权分析(诉讼无效)
联系我们
交流群
官方交流:
QQ群: 891211   
微信请扫码    >>>
现在联系顾问~
热词
    • 2. 发明授权
    • Optical disc apparatus, method of controlling the same, and information storage medium
    • 光盘装置,其控制方法和信息存储介质
    • US08520480B2
    • 2013-08-27
    • US12437122
    • 2009-05-07
    • Toshimasa AokiSatoshi MimuraTakashi Enokihara
    • Toshimasa AokiSatoshi MimuraTakashi Enokihara
    • G11B7/00
    • G11B7/0912G11B7/0945
    • An optical disc apparatus includes an optical pickup for outputting an output signal according to reflected light from an optical disc medium, measures a level of a reflected signal corresponding to reflected light from a medium surface prior to reading of information recorded on the medium, predicts, based on the measured level of the reflected signal, whether or not the reflected signal from the medium surface will satisfy a predetermined detection condition when a focus state is to be detected, and uses a result of the predicting to detect a state where the output signal satisfies the predetermined detection condition as a state where a focus of an objective lens included in the optical pickup is on a signal surface of the medium while relatively moving the objective lens with respect to the medium surface when the information recorded on the medium is to be read therefrom.
    • 光盘装置包括用于根据来自光盘介质的反射光输出输出信号的光学拾取器,在读取记录在介质上的信息之前,测量与来自介质表面的反射光相对应的反射信号的电平, 基于反射信号的测量电平,当要检测到聚焦状态时来自介质表面的反射信号是否将满足预定的检测条件,并且使用预测结果来检测输出信号 满足预定的检测条件,作为包含在光学拾取器中的物镜的焦点位于介质的信号表面上的状态,同时当记录在介质上的信息将成为相对于介质表面移动物镜时 从中读出。
    • 4. 发明申请
    • OPTICAL DISC APPARATUS, METHOD OF CONTROLLING THE SAME, AND INFORMATION STORAGE MEDIUM
    • 光盘设备,其控制方法和信息存储介质
    • US20090290466A1
    • 2009-11-26
    • US12437122
    • 2009-05-07
    • Toshimasa AOKISatoshi MIMURATakashi ENOKIHARA
    • Toshimasa AOKISatoshi MIMURATakashi ENOKIHARA
    • G11B27/36
    • G11B7/0912G11B7/0945
    • An optical disc apparatus includes an optical pickup for outputting an output signal according to reflected light from an optical disc medium, measures a level of a reflected signal corresponding to reflected light from a medium surface prior to reading of information recorded on the medium, predicts, based on the measured level of the reflected signal, whether or not the reflected signal from the medium surface will satisfy a predetermined detection condition when a focus state is to be detected, and uses a result of the predicting to detect a state where the output signal satisfies the predetermined detection condition as a state where a focus of an objective lens included in the optical pickup is on a signal surface of the medium while relatively moving the objective lens with respect to the medium surface when the information recorded on the medium is to be read therefrom.
    • 光盘装置包括用于根据来自光盘介质的反射光输出输出信号的光学拾取器,在读取记录在介质上的信息之前,测量与来自介质表面的反射光相对应的反射信号的电平, 基于反射信号的测量电平,当要检测到聚焦状态时来自介质表面的反射信号是否将满足预定的检测条件,并且使用预测结果来检测输出信号 满足预定的检测条件,作为包含在光学拾取器中的物镜的焦点位于介质的信号表面上的状态,同时当记录在介质上的信息将成为相对于介质表面移动物镜时 从中读出。