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    • 1. 发明授权
    • Method and apparatus for distributing video on demand loading
    • 分发视频点播加载的方法和装置
    • US08166510B1
    • 2012-04-24
    • US09907114
    • 2001-07-17
    • Paul Ducharme
    • Paul Ducharme
    • H04N7/173
    • H04N21/2225H04N21/23103
    • A method and apparatus for distributing video-on-demand loading include processing that begins by receiving a concurrent additional request for accessing a video program (i.e., while the server associated with the video program is processing one request for access to the video program another is received). The processing continues by providing the video program to a 2nd server in response to the concurrent additional request. The 2nd server causes the video program to be stored in the redundant array of independent disks (2nd RAID) associated with the 2nd server. The 2nd server processes the concurrent additional request via the 2nd RAID such that processing of multiple requests for the same video program is distributed throughout the video on demand system.
    • 一种用于分发视频点播加载的方法和装置包括开始于接收并行附加的访问视频节目的附加请求的处理(即,与视频节目相关联的服务器处理一个访问视频节目的请求,另一个是 收到)。 通过向第二服务器提供响应于并发附加请求的视频节目,该处理继续进行。 第二台服务器使视频程序存储在与第二台服务器相关联的独立磁盘冗余阵列(第二RAID)中。 第二台服务器通过第二个RAID处理并发的附加请求,使得对整个视频点播系统分发同一视频节目的多个请求的处理。
    • 5. 发明授权
    • Monolithic semiconductor device for preventing external access to an encryption key
    • 用于防止外部访问加密密钥的单片半导体器件
    • US07165180B1
    • 2007-01-16
    • US09995308
    • 2001-11-27
    • Paul Ducharme
    • Paul Ducharme
    • H04K1/00H04L9/00H04L9/30G11C17/18
    • H04K1/00H04L9/0618H04L9/0894H04L2209/60
    • A monolithic semiconductor device having an encryption engine and encryption key register to store one or more encryption keys, where the contents of the encryption key register are observable, or can be made observable, only to internal components of the device is disclosed herein. The encryption key register can be implemented as an integrated or non-integrated volatile or non-volatile memory location. The monolithic semiconductor device can also include means for temporarily externally accessing and/or defining the contents of the key register during the manufacturing process and/or for a limited number of times after the manufacture and/or testing of the monolithic semiconductor device is completed.
    • 具有加密引擎和加密密钥寄存器的单片半导体器件在本文中公开了存储一个或多个加密密钥,其中加密密钥寄存器的内容是可观察的或可以被观察到的。 加密密钥寄存器可以被实现为集成或非集成的易失性或非易失性存储器位置。 单片半导体器件还可以包括用于在制造过程期间临时外部访问和/或定义密钥寄存器的内容的装置和/或在完成单片半导体器件的制造和/或测试之后的有限次数的装置。
    • 7. 发明授权
    • Apparatus and method for upgrading a computer system operating system
    • 用于升级计算机系统操作系统的装置和方法
    • US5930515A
    • 1999-07-27
    • US941044
    • 1997-09-30
    • Paul DucharmeKarl W. Stoll
    • Paul DucharmeKarl W. Stoll
    • G06F9/445H04L29/06H04L29/08H04N21/235H04N21/426H04N21/435H04N21/458H04N21/81
    • H04N21/435G06F8/60G06F8/65H04N21/235H04N21/42692H04N21/4586H04N21/8166H04N21/818
    • A method for upgrading a computer operating system of a computer system, for example, a communications receiver includes a main processor, a slave processor, a first memory, and a second memory, wherein an existing operating system resides in the first memory. The first memory is attached to the main processor and the second memory is attached to the slave processor. The method comprises the steps of receiving a new operating system in the second memory; erasing the existing operating system from the first memory; and loading the new operating system into the first memory. In a communications receiver such as a satellite business receiver for receiving and decoding video, audio and data bitstreams, the first memory may be FLASH memory and the second memory may be cache memory of a video processor, and, more particularly, a video random access memory.
    • 一种用于升级计算机系统的计算机操作系统的方法,例如通信接收机包括主处理器,从处理器,第一存储器和第二存储器,其中现有操作系统驻留在第一存储器中。 第一个存储器连接到主处理器,第二个存储器连接到从属处理器。 该方法包括以下步骤:在第二存储器中接收新的操作系统; 从第一个内存中擦除现有的操作系​​统; 并将新的操作系统加载到第一个存储器中。 在诸如用于接收和解码视频,音频和数据比特流的卫星业务接收机的通信接收机中,第一存储器可以是闪速存储器,并且第二存储器可以是视频处理器的高速缓冲存储器,更具体地,视频随机存取 记忆。
    • 9. 发明授权
    • Method and apparatus for providing graphical overlays in a multimedia system
    • 用于在多媒体系统中提供图形叠加的方法和装置
    • US07836193B2
    • 2010-11-16
    • US09946912
    • 2001-09-05
    • Paul Ducharme
    • Paul Ducharme
    • G06F15/16
    • H04L67/06H04L67/42H04L69/329H04N7/17318H04N21/241H04N21/25833H04N21/42653H04N21/443H04N21/6581
    • A method and apparatus for processing overlay data in a multimedia system include processing that begins when the server of the multimedia system selects a set of channels from a plurality of channels based on a set of channel select signals. The processing continues as the server converts the set of channels into streams of channel data. The server then decodes the streams of channel data into video frames for each channel of the set of channels. The processing continues as the server generates overlay data for at least one channel based on an overlay selection input, which is provided by the client that requested the particular channel. The processing then continues as the server encodes the overlay data with video frames of at least one channel to produce channel overlay packets. The processing continues as the server encodes the video frames of the other channels into sets of channels to produce channel packets. The server then provides the overlay packets and channel packets as a stream of packets of channel data to the clients of the system. Upon receipt, each client decodes the stream of packets of channel data to isolate its channel data. The client requesting overlay data decodes the overlay packets to retrieve the overlaid video frames using the same decoding process that the other clients used to retrieve the video data of their requested channels.
    • 一种用于在多媒体系统中处理覆盖数据的方法和装置包括当多媒体系统的服务器基于一组信道选择信号从多个信道中选择一组信道时开始的处理。 随着服务器将该组信道转换成信道数据流,该处理继续进行。 然后,服务器将信道数据流解码为该组信道中的每个信道的视频帧。 该处理继续,因为服务器基于由请求特定频道的客户机提供的覆盖选择输入,为至少一个信道生成覆盖数据。 然后处理继续,因为服务器使用至少一个信道的视频帧来编码覆盖数据,以产生信道重叠分组。 随着服务器将其他信道的视频帧编码为信道组以产生信道分组,该处理继续进行。 然后,服务器将覆盖分组和信道分组作为信道数据分组流提供给系统的客户端。 在接收时,每个客户端解码信道数据包的流以隔离其信道数据。 请求覆盖数据的客户端使用与其他客户端用于检索其请求的频道的视频数据相同的解码过程来解码重叠数据包以检索重叠的视频帧。