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    • 81. 发明申请
    • OPTICAL RECORDING MEDUIM DRIVING DEVICE
    • 光学记录媒体驱动设备
    • US20070127337A1
    • 2007-06-07
    • US11674007
    • 2007-02-12
    • Noriaki NISHIKenji Yamamoto
    • Noriaki NISHIKenji Yamamoto
    • G11B7/00
    • G11B7/1353G11B7/0079G11B7/1263G11B7/1356G11B7/1365G11B7/1369G11B7/1395G11B19/12G11B2007/0006G11B2007/0013G11B2007/13727
    • A method and an apparatus for driving an optical recording medium for recording and/or reproducing various information for the optical recording medium, in which the output power ratio of the light source may be reduced for recording and reproduction, for optical recording media of different sorts, or for respective recording surfaces of a multilayered optical recording medium, so that optimum characteristics may be realized even with use of an easy-to-fabricate light source or a light source with a smaller light output rating. The intensity of a light beam emitted on an optical recording medium 102 by an optical head 104 is controlled by optical coupling efficiency varying elements 214, 215 depending on the sort of the optical recording medium 102, recording surfaces of a multi-layered optical recording medium, recording surfaces in the multi-layered optical recording medium or on the operating modes, in such a manner that the intensity of the light beam emitted on the optical recording medium 102 may be significantly varied without drastically increasing the output power ratio on the side light source 212.
    • 一种用于记录和/或再现用于记录和/或再现光记录介质的各种信息的光记录介质的方法和装置,其中光源的输出功率比可以减少用于记录和再现,用于不同种类的光记录介质 或者对于多层光学记录介质的各个记录表面,即使使用易于制造的光源或具有较小的光输出等级的光源,也可以实现最佳特性。 通过光学头104在光学记录介质102上发射的光束的强度由光学耦合效率变化元件214,215控制,这取决于光学记录介质102的种类,多层光学记录介质的记录表面 在多层光学记录介质中或在操作模式下记录表面,使得在光学记录介质102上发射的光束的强度可以显着变化,而不会显着增加侧光上的输出功率比 来源212。
    • 88. 发明授权
    • Home security video system using internet technique
    • 家庭安防视频系统使用互联网技术
    • US07034681B2
    • 2006-04-25
    • US09989772
    • 2001-11-20
    • Kenji YamamotoKoh Murata
    • Kenji YamamotoKoh Murata
    • G08B13/00
    • G08B13/19656G08B13/19645G08B25/001G08B25/10
    • A security system including several camera devices and a communication device in sites at which monitoring is required by a user. The several camera devices may constantly monitor the sites. The camera devices have motion detecting functions and provide unusual status reporting signals and necessary image information to the communications device when the movements of an intruder have been detected. The communication device communicates with and is connected to a server that serves as an information center via the internet line when unusual status signals have been received. The information from the camera devices is also sent to server. The server automatically notifies the user by a predetermined user-selected method. The notified user can access the server and confirm the information.
    • 一种安全系统,包括若干相机设备和在用户需要监视的站点中的通信设备。 几个相机设备可以不断地监视站点。 当检测到入侵者的移动时,相机装置具有运动检测功能并且向通信装置提供异常状态报告信号和必要的图像信息。 当接收到异常状态信号时,通信设备经由因特网线路与用作信息中心的服务器通信并连接到服务器。 相机设备的信息也发送到服务器。 服务器通过预定的用户选择的方法自动通知用户。 通知的用户可以访问服务器并确认信息。