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    • 52. 发明授权
    • Loading mechanism with linear gear bar for an optical disc drive
    • 用于光盘驱动器的线性齿条的装载机构
    • US6011766A
    • 2000-01-04
    • US935131
    • 1997-09-22
    • Michael Anh NguyenYong Li
    • Michael Anh NguyenYong Li
    • G11B17/04G11B33/02
    • G11B17/0402
    • A disc loading mechanism for a optical disc drive,. The loading mechanism includes a chassis, loader tray, a linear gear bar, lifter, motor, gear train, and a sub-chassis. The pivoting sub-chassis, which supports an optical reader, rotates around a fixed axis and has 1-degree of freedom. The loader tray is slidably attached to the chassis such that it can move from a fully out-position, the position where a disc would be loaded, to a fully in-position, the position where the optical reader would engage the disc. The linear gear bar has a long rigid body with gear teeth along the length of its body. It is slidably attached to the loader tray and performs multiple functions including facilitating the movement of the loader tray, the lifting of the sub-chassis, and the timing of the loading mechanism.
    • 一种用于光盘驱动器的盘装载机构。 装载机构包括底盘,装载机托盘,线性齿条,升降机,马达,齿轮系和副底盘。 支撑光学读取器的枢转副底盘围绕固定轴线旋转并具有1度自由度。 装载机托盘可滑动地附接到底盘,使得其可以从完全向外的位置,即将被装载盘的位置移动到光学读取器将与盘接合的位置的完全就位。 线性齿条具有长的刚体,沿其主体的长度具有齿轮齿。 它可滑动地连接到装载机托盘,并且执行多种功能,包括促进装载机托盘的移动,副底架的提升以及装载机构的定时。
    • 58. 发明授权
    • Data file decryption method, decryption device and data broadcasting system
    • 数据文件解密方法,解密装置和数据广播系统
    • US08984270B2
    • 2015-03-17
    • US13139446
    • 2009-12-15
    • Xiaoming LuJingyu DongHuiyuan ZhangYong Li
    • Xiaoming LuJingyu DongHuiyuan ZhangYong Li
    • H04L29/06H04L9/08H04N21/266H04N21/2362H04N21/854
    • H04L9/0861H04L9/0819H04L63/0428H04L63/06H04L2209/601H04N21/2362H04N21/26613H04N21/85406
    • A data file decryption method, a decryption device and a data broadcasting system are disclosed, which are applied to a data broadcasting service. Among them, the data file decryption method includes the steps of: receiving the file delivery information which includes a data file identification and a key file identification corresponding to the data file; receiving the corresponding data file and key file according to the data file identification and the key file identification; and decrypting the data file according to the key file. According to the data file decryption method, decryption device and the data broadcasting system of the present invention, by setting the data file identification and the corresponding key file identification in the file delivery information and receiving the corresponding file according to the data file identification and the key file identification, the resource dissipation due to a large quantity of useless information received at a terminal is avoided, and the file to be received can be quickly located by the terminal, so that the time delay due to the decryption of a data file is avoided, and the service experience for users is improved.
    • 公开了一种应用于数据广播服务的数据文件解密方法,解密装置和数据广播系统。 其中,数据文件解密方法包括以下步骤:接收包含与数据文件相对应的数据文件标识和密钥文件识别的文件传送信息; 根据数据文件识别和密钥文件识别接收相应的数据文件和密钥文件; 并根据密钥文件对数据文件进行解密。 根据本发明的数据文件解密方法,解密装置和数据广播系统,通过将数据文件识别和对应的密钥文件识别设置在文件传递信息中,并根据数据文件标识接收对应的文件, 关键文件识别,避免了在终端接收到的大量无用信息引起的资源耗散,并且可以由终端快速定位待接收的文件,使得由于数据文件的解密而引起的时间延迟是 避免了,用户的服务体验得到改善。