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    • 22. 发明授权
    • Optical disc apparatus, focus position control method and recording medium
    • 光盘装置,聚焦位置控制方法和记录介质
    • US08248900B2
    • 2012-08-21
    • US12441147
    • 2007-09-13
    • Kimihiro SaitoToshihiro HorigomeTakao KondoKunihiko HayashiSeiji KobayashiTakashi IwamuraSakuya Tamada
    • Kimihiro SaitoToshihiro HorigomeTakao KondoKunihiko HayashiSeiji KobayashiTakashi IwamuraSakuya Tamada
    • G11B7/00
    • G11B7/0908G11B7/0065G11B7/083G11B7/0938G11B7/24044
    • An optical disc apparatus can highly accurately record a hologram representing information on or reproduce such a hologram from an optical disc. When recording information on an optical disc 100, the optical disc apparatus controls the position of an objective lens OL1 according to the outcome of detection of a red reflected light beam Lr2 so as to make the focus Fr thereof follow a target track and it also makes the focus Fb1 of a blue light beam Lb1 agree with a target mark position by the objective lens OL1 and also the focus Fb2 agree with the target mark position by controlling the position of another objective lens OL2 according to the outcome of detection of the blue light beam Lb1 by way of the objective lenses OL1 and OL2 so as to make the focus Fb1 of the blue light beam Lb1 and the focus Fb2 of the blue light beam Lb2 agree with the target mark position and the blue light beam Lb1 and the blue light beam Lb2 interfere with each other. Thus, as a result, the optical disc apparatus can record a recording mark RM at the target mark position.
    • 光盘装置可高精度地记录表示来自光盘的关于或再现这样的全息图的信息的全息图。 当在光盘100上记录信息时,光盘装置根据红色反射光束Lr2的检测结果来控制物镜OL1的位置,以使其焦点Fr跟随目标轨迹,并且还使得 蓝光束Lb1的焦点Fb1与物镜OL1的目标标记位置一致,并且通过根据蓝光的检测结果控制另一个物镜OL2的位置,焦点Fb2也与目标标记位置一致 通过物镜OL1和OL2使光束Lb1与蓝色光束Lb2的蓝色光束Lb1和焦点Fb2的焦点Fb1与目标标记位置和蓝色光束Lb1和蓝色光线一致 光束Lb2相互干扰。 因此,结果,光盘装置可以将记录标记RM记录在目标标记位置。
    • 24. 发明授权
    • Optical disc apparatus and optical disc replay method
    • 光盘装置和光盘重放方法
    • US07995439B2
    • 2011-08-09
    • US12423357
    • 2009-04-14
    • Kimihiro SaitoKunihiko Hayashi
    • Kimihiro SaitoKunihiko Hayashi
    • G11B7/00
    • G11B7/133G11B7/00451G11B7/00452G11B7/005G11B7/0908G11B7/0938G11B7/131G11B7/1381G11B2007/0013
    • When an optical disc apparatus reproduces information from an optical disc, it converges a reading light beam emitted from an LED to substantially collimated light and projects it to the optical disc to cause it to be reflected by reflection surface thereof so as to make it become a reading reflected light beam. Then, the apparatus converges the reading reflected light beam by a mark layer selection lens, detects the reading reflected light beam passing through the target position by a detection region located at the confocal point of the target position and generates a detection signal. Subsequently, the apparatus recognizes the presence or absence of a recording mark based on the detection signal to reproduce the information. Thus, the apparatus can detect the state of the reading reflected light beam observed when it passes the target position and can recognize the presence or absence of a recording mark.
    • 当光盘装置从光盘再现信息时,它将从LED发射的读取光束会聚到基本上准直的光并将其投射到光盘上,以使其被其反射表面反射,从而使其成为 读取反射光束。 然后,设备通过标记层选择透镜会聚读取反射光束,通过位于目标位置的共焦点处的检测区域检测通过目标位置的读取反射光束,并产生检测信号。 随后,该装置基于检测信号识别记录标记的存在或不存在,以再现该信息。 因此,该装置可以检测在通过目标位置时观察到的读取反射光束的状态,并且可以识别记录标记的存在或不存在。
    • 27. 发明授权
    • AV synchronization system
    • AV同步系统
    • US07812886B2
    • 2010-10-12
    • US11651500
    • 2007-01-10
    • Kazuyuki UchidaKengo NishimuraAkihiro MiyazakiJyunichi NakahashiKunihiko HayashiSatoshi Ikawa
    • Kazuyuki UchidaKengo NishimuraAkihiro MiyazakiJyunichi NakahashiKunihiko HayashiSatoshi Ikawa
    • H04N9/475
    • H04N21/2368H04N21/4305H04N21/4341
    • In synchronization of a conventional AV system, when a stream as the master stops, a system clock cannot be corrected for synchronization. Since the correction is consistently performed even when an error is small, overhead of correction is large. On the other hand, when an error is large, sharp correction causes a feeling that something wrong. In the present invention, when the stream as the master stops, previously registering the degree of priority regarding the master, consideration of a corrected period or a previous error for the system clock, or transmitting a stream containing information regarding the master can allow for other process to serves as the master. Accordingly, it is possible to provide a method for synchronization with maintaining correction of the system clock. When a corrected error is large, gradual correction or reference can provide a system with normal feeling. Furthermore, when an error of correction is small, omission of correction or reference can provide a system with less overhead.
    • 在常规AV系统的同步中,当作为主站的流停止时,不能校正系统时钟以进行同步。 由于即使在误差小的情况下一直执行校正,因此校正开销大。 另一方面,当误差大时,锐度校正会导致出现错误的感觉。 在本发明中,当作为主机的流停止时,预先登记关于主机的优先级,对系统时钟的校正周期或先前错误的考虑,或者发送包含关于主机的信息的流可以允许其他 作为主人的过程。 因此,可以提供一种用于同步的方法,同时维持系统时钟的校正。 当校正误差大时,逐渐校正或参考可以为系统提供正常的感觉。 此外,当校正误差小时,省略校正或参考可以为系统提供较少的开销。
    • 30. 发明授权
    • Inter-module communication apparatus
    • 模块间通信装置
    • US07680138B2
    • 2010-03-16
    • US11185829
    • 2005-07-21
    • Motohide NishibataKunihiko HayashiYuki Kitamura
    • Motohide NishibataKunihiko HayashiYuki Kitamura
    • H04L12/56
    • H04L47/10H04L47/34
    • The inter-module communication apparatus includes a first module and a second module which operate individually on a processor; a common memory interposed between the first module and the second module for functioning as a communication medium; a plurality of communication paths provided to the common memory for connecting the first module and the second module to be communicable; a transmission unit for transmitting communication data from the first module to the second module; a reception unit for receiving the communication data transmitted from the first module by the second module; a processing order relating device for registering a processing order of communication processing, which is set between each communication path constituting a plurality of the communication paths; and a processing order relevance register which, for transmission, registers the processing order to the processing order relating device when the processing order is set for the communication data to be transmitted.
    • 模块间通信装置包括在处理器上单独操作的第一模块和第二模块; 插入在第一模块和第二模块之间的公共存储器用作通信介质; 提供给公共存储器的多个通信路径,用于连接第一模块和第二模块以进行通信; 传送单元,用于从第一模块向第二模块发送通信数据; 接收单元,用于接收由第二模块从第一模块发送的通信数据; 用于登记在构成多个通信路径的各通信路径之间设定的通信处理的处理顺序的处理顺序相关装置; 以及处理顺序相关性寄存器,当为要发送的通信数据设置处理顺序时,用于发送,将处理顺序登记到处理顺序相关设备。