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    • 2. 发明授权
    • Apparatus and method for providing multimedia data
    • 用于提供多媒体数据的装置和方法
    • US5630104A
    • 1997-05-13
    • US444116
    • 1995-05-18
    • Hal H. OttesenGordon J. SmithGeorge W. Van Leeuwen
    • Hal H. OttesenGordon J. SmithGeorge W. Van Leeuwen
    • G11B5/012G11B5/55G11B5/596G11B7/0037G11B19/20G11B19/247G11B20/12G11B21/00G11B21/02G11B21/04G11B27/00G11B27/10H04N7/173G06F17/00G06F9/455
    • G11B5/5965G11B19/20G11B19/2009G11B19/247G11B20/12G11B20/1258G11B21/00G11B21/02G11B21/04G11B27/002G11B27/105G11B5/012G11B5/5521G11B5/5526H04N7/17336G11B2020/10916G11B2220/20G11B2220/41G11B2220/415G11B7/0037
    • A disk drive stores multimedia data in long spiral data tracks. The tracks on opposite surfaces of the disk spiral in opposite directions, so that a track on one surface can be read as the actuator sweeps in, and a track on the opposite surface can be read as the actuator sweeps out. Because the actuator only follows spiral tracks without performing long seek operations, the actuator motor can be reduced in size and stresses on actuator bearings and other parts are reduced. Additionally, due to reduced disturbances associated with seeks, it is possible to follow tracks more closely and therefore reduce the width of individual tracks. Further cost reductions are accomplished by spinning the disks at a slower speed and reducing the size of the spin motor accordingly. Finally, data density can be increased simply because multimedia data does not require the same low error rate as conventional data. Preferably, a group of disk drives optimized for multimedia data is used to form a video-on-demand system. Compressed, interleaved portions of a video presentation, such as a motion picture, are stored in blocks on the spiral tracks. The drives read the blocks on one spiral track at a time from beginning to end, placing the data from these blocks in a set of buffers corresponding to different short time intervals. Video signals are output from the buffers. Any short time interval of the presentation can be accessed on demand by switching to the appropriate buffer.
    • 磁盘驱动器将多媒体数据存储在长螺旋数据轨道中。 盘的相对表面上的轨迹以相反的方向螺旋,使得当致动器扫过时可以读取一个表面上的轨道,并且当致动器扫过时可以读取相对表面上的轨道。 由于执行器只能沿着螺旋轨道进行,而不需要执行长时间的寻道操作,所以致动器马达的尺寸和致动器轴承的应力减小,其他部件也减少。 另外,由于与寻找相关联的干扰减少,可以更紧密地跟踪轨道,并因此减小各个轨道的宽度。 通过以较慢的速度旋转盘并相应地减小旋转马达的尺寸来实现进一步的成本降低。 最后,数据密度可以简单地增加,因为多媒体数据不需要与传统数据相同的低错误率。 优选地,使用针对多媒体数据优化的一组磁盘驱动器来形成视频点播系统。 诸如运动图像的视频呈现的压缩的交错部分被存储在螺旋轨道上的块中。 驱动器从开始到结束一次读取一个螺旋轨道上的块,将来自这些块的数据放置在对应于不同短时间间隔的一组缓冲器中。 视频信号从缓冲器输出。 通过切换到适当的缓冲区,可以根据需要访问演示的任何短时间间隔。
    • 3. 发明授权
    • Multiple user multimedia data server with switch to load time interval
interleaved data to plurality of time interval assigned buffers
    • 多用户多媒体数据服务器,具有切换以将时间间隔交织的数据加载到多个时间间隔分配的缓冲器
    • US5594924A
    • 1997-01-14
    • US443838
    • 1995-05-18
    • Hal H. OttesenGordon J. SmithGeorge W. Van Leeuwen
    • Hal H. OttesenGordon J. SmithGeorge W. Van Leeuwen
    • G11B5/012G11B5/55G11B5/596G11B7/0037G11B19/20G11B19/247G11B20/12G11B21/00G11B21/02G11B21/04G11B27/00G11B27/10H04N7/173G06F9/312
    • G11B5/5965G11B19/20G11B19/2009G11B19/247G11B20/12G11B20/1258G11B21/00G11B21/02G11B21/04G11B27/002G11B27/105G11B5/012G11B5/5521G11B5/5526H04N7/17336G11B2020/10916G11B2220/20G11B2220/41G11B2220/415G11B7/0037
    • A disk drive stores multimedia data in long spiral data tracks. The tracks on opposite surfaces of the disk spiral in opposite directions, so that a track on one surface can be read as the actuator sweeps in, and a track on the opposite surface can be read as the actuator sweeps out. Because the actuator only follows spiral tracks without performing long seek operations, the actuator motor can be reduced in size and stresses on actuator bearings and other parts are reduced. Additionally, due to reduced disturbances associated with seeks, it is possible to follow tracks more closely and therefore reduce the width of individual tracks. Further cost reductions are accomplished by spinning the disks at a slower speed and reducing the size of the spin motor accordingly. Finally, data density can be increased simply because multimedia data does not require the same low error rate as conventional data. Preferably, a group of disk drives optimized for multimedia data is used to form a video-on-demand system. Compressed, interleaved portions of a video presentation, such as a motion picture, are stored in blocks on the spiral tracks. The drives read the blocks on one spiral track at a time from beginning to end, placing the data from these blocks in a set of buffers corresponding to different short time intervals. Video signals are output from the buffers. Any short time interval of the presentation can be accessed on demand by switching to the appropriate buffer.
    • 磁盘驱动器将多媒体数据存储在长螺旋数据轨道中。 盘的相对表面上的轨迹以相反的方向螺旋,使得当致动器扫过时可以读取一个表面上的轨道,并且当致动器扫过时可以读取相对表面上的轨道。 由于执行器只能沿着螺旋轨道进行,而不需要执行长时间的寻道操作,所以致动器马达的尺寸和致动器轴承的应力减小,其他部件也减少。 另外,由于与寻找相关联的干扰减少,可以更紧密地跟踪轨道,并因此减小各个轨道的宽度。 通过以较慢的速度旋转盘并相应地减小旋转马达的尺寸来实现进一步的成本降低。 最后,数据密度可以简单地增加,因为多媒体数据不需要与传统数据相同的低错误率。 优选地,使用针对多媒体数据优化的一组磁盘驱动器来形成视频点播系统。 诸如运动图像的视频呈现的压缩的交错部分被存储在螺旋轨道上的块中。 驱动器从开始到结束一次读取一个螺旋轨道上的块,将来自这些块的数据放置在对应于不同短时间间隔的一组缓冲器中。 视频信号从缓冲器输出。 通过切换到适当的缓冲区,可以根据需要访问演示的任何短时间间隔。
    • 8. 发明申请
    • DISTRIBUTED CONTROL OF A FAIL-TO-WIRE SWITCH FOR A NETWORK COMMUNICATION LINK
    • 用于网络通信链路的FAIL-TO-WIRE开关的分布式控制
    • US20130188477A1
    • 2013-07-25
    • US13355250
    • 2012-01-20
    • William F. BergJeremiah D. CarlinScott A. LieblGeorge W. Van Leeuwen
    • William F. BergJeremiah D. CarlinScott A. LieblGeorge W. Van Leeuwen
    • H04W28/00
    • H04W8/087
    • A fail-to-wire (FTW) module preserves a primary data path connection from an upstream computer to a downstream computer if there is any kind of failure in a breakout data path to a breakout system. The FTW module provides switches between the incoming data network data and the breakout system such that when the breakout system encounters a failure, the switches are de-activated to bypass the breakout system. The switches in the FTW module are activated by a system health signal controlled by a health monitor in the breakout system. The health monitor provides intelligent switch control based on alerts from a variety of control points. These control points include firmware, hardware, thermal sensors, subsystem operating systems, subsystem software applications, and appliance tamper logic in order to determine if the FTW module switches should be in an active or inactive state.
    • 如果在分组系统的分组数据路径中存在任何类型的故障,则故障线(FTW)模块保留从上游计算机到下游计算机的主数据路径连接。 FTW模块在传入的数据网络数据和分组系统之间提供交换机,以便当分线系统遇到故障时,交换机被禁用以绕过分组系统。 FTW模块中的开关由突发系统中的健康监视器控制的系统健康信号激活。 健康监视器根据各种控制点的警报提供智能开关控制。 这些控制点包括固件,硬件,热传感器,子系统操作系统,子系统软件应用程序和设备篡改逻辑,以便确定FTW模块交换机是否处于活动或非活动状态。