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    Systems and methods for electronic program guide data services
    1.
    发明申请
    Systems and methods for electronic program guide data services 失效
    电子节目指南数据服务的系统和方法

    公开(公告)号：US20050177849A1

    公开(公告)日：2005-08-11

    申请号：US11093634

    申请日：2005-03-30

    申请人： Michael Pietraszak ,  Robert Fries ,  Robert Gibson ,  Jonathan Wray

    发明人： Michael Pietraszak ,  Robert Fries ,  Robert Gibson ,  Jonathan Wray

    IPC分类号： H04N5/445 ,  G06F3/00 ,  G06F13/00

    CPC分类号： H04N21/4355 ,  H04N5/44543 ,  H04N21/26283 ,  H04N21/4335 ,  H04N21/443 ,  H04N21/4431 ,  H04N21/4532 ,  H04N21/4622 ,  H04N21/4782 ,  H04N21/84 ,  Y10S707/99953

    摘要： EPG services are provided, which enables a device such as a computer, a set top box or the like to collect EPG data from multiple EPG data providers or sources. The EPG data is collected at the device by EPG loaders. Each EPG loader collects EPG data from a particular source. The EPG loaders deliver the EPG data to a writer module, which performs scaling and formatting functions to the EPG data. The writer module also stores the scaled and formatted EPG data in a database or other storage. Once stored, applications gain access to the EPG data through a control module. The writer module may also be implemented by chaining EPG loaders in a priority scheme. However, EPG loader interaction reduces independence and forces more rigid interface and implementation constraints upon the design of EPG loaders. The control module provides the accessed EPG data to the applications. EPG services function to isolate the operation of the applications from the EPG data sources. Because the EPG data is stored by the writer module and accessed by the control module, the applications and EPG data sources can change independently of one another without having an effect on the ability of EPG services to collect and provide access to EPG data.

    摘要翻译： 提供了EPG服务，其使诸如计算机，机顶盒等设备从多个EPG数据提供者或来源收集EPG数据。 EPG数据由EPG装载机在设备处收集。 每个EPG加载器从特定的源收集EPG数据。 EPG装载机将EPG数据传送到写入器模块，该模块对EPG数据执行缩放和格式化功能。 作者模块还将缩放和格式化的EPG数据存储在数据库或其他存储中。 一旦存储，应用程序可以通过控制模块访问EPG数据。 编写器模块也可以通过以优先方案链接EPG加载器来实现。 然而，EPG加载器相互作用减少了独立性，并且在EPG装载机的设计上迫使更加严格的接口和实施方面的限制。 控制模块将访问的EPG数据提供给应用程序。 EPG服务功能用于将应用程序的操作与EPG数据源隔离开来。 由于EPG数据由写入器模块存储并由控制模块访问，所以应用和EPG数据源可以彼此独立地改变，而不影响EPG服务收集和提供对EPG数据的访问的能力。

    Presenting information relating to a program by recognizing text in closed captioning data
    2.
    发明授权
    Presenting information relating to a program by recognizing text in closed captioning data 失效
    通过识别隐藏字幕数据中的文本来呈现与节目有关的信息

    公开(公告)号：US6141678A

    公开(公告)日：2000-10-31

    申请号：US69322

    申请日：1998-04-29

    申请人： Joe F. Britt, Jr.

    发明人： Joe F. Britt, Jr.

    IPC分类号： H04N7/088 ,  H04N21/462 ,  H04N21/478 ,  G06F15/16 ,  G06F3/00

    CPC分类号： H04N7/0885 ,  H04N21/4622 ,  H04N21/478

    摘要： Presenting to a viewer additional information corresponding to a television program by recognizing key text data included in closed captioning is disclosed. A client computer that is capable of displaying television programming to a viewer and retrieving information from the Internet or from another network receives broadcast data including a program and closed captioning data. The client computer accesses a list of key text data having entries, each of which includes key text that is included in the closed captioning data of a particular program and that is distinctive to the program. The entries in the list of key text data further include instructions enabling the client computer to retrieve the additional information corresponding to the programs. The client computer decodes the closed captioning data and compares it to the key text data entries. When a match is identified, the client computer system executes the instructions included in the entry that has been matched. The instructions typically result in a viewer-selectable link being displayed on the display device. When the viewer selects the link, the client computer retrieves the additional information from a remote server computer and displays the additional information to the viewer.

    摘要翻译： 公开了通过识别隐藏字幕中包含的关键文本数据向观看者呈现与电视节目对应的附加信息。 能够向观众显示电视节目并从互联网或从另一网络检索信息的客户端计算机接收包括节目和隐藏字幕数据的广播数据。 客户端计算机访问具有条目的密钥文本数据的列表，每个密钥文本数据包括包括在特定程序的隐藏字幕数据中并且与该程序不同的密钥文本。 密钥文本数据列表中的条目还包括允许客户端计算机检索对应于该程序的附加信息的指令。 客户端计算机解码隐藏字幕数据，并将其与密钥文本数据条目进行比较。 当匹配被识别时，客户端计算机系统执行包括在已匹配的条目中的指令。 指令通常导致在显示设备上显示观众可选择的链接。 当观众选择链接时，客户端计算机从远程服务器计算机检索附加信息，并向观众显示附加信息。

    Object-based anti-aliasing
    4.
    发明授权
    Object-based anti-aliasing 失效
    基于对象的反锯齿

    公开(公告)号：US6115050A

    公开(公告)日：2000-09-05

    申请号：US57327

    申请日：1998-04-08

    申请人： Edouard Landau ,  Adrian Sfarti ,  Adam Malamy ,  Mei-Chi Liu ,  Robert Laker ,  Paolo Sabella

    发明人： Edouard Landau ,  Adrian Sfarti ,  Adam Malamy ,  Mei-Chi Liu ,  Robert Laker ,  Paolo Sabella

    IPC分类号： G06T15/50 ,  G06T15/10

    CPC分类号： G06T15/503

    摘要： A graphics rendering system creates an image based on objects constructed of polygonal primitives. Aliasing effects in the image are reduced by applying an anti-aliasing scheme to the areas of the image representing silhouette edges of the objects. The silhouette edges are anti-aliased by creating anti-aliasing primitives which vary in opacity. These anti-aliasing primitives are joined to the silhouetted edges, and create a region in the image where the objects appear to blend into the background.

    摘要翻译： 图形渲染系统基于由多边形原语构造的对象创建图像。 通过在表示对象的轮廓边缘的图像的区域中应用抗锯齿方案来减少图像中的混叠效果。 剪影边缘通过创建不透明度不同的抗锯齿原语来反锯齿。 这些抗锯齿原语被连接到被映射的边缘，并且在图像中创建一个区域，其中对象看起来融合到背景中。

    Automatic characterization of a television signal
    6.
    发明授权
    Automatic characterization of a television signal 失效
    自动表征电视信号

    公开(公告)号：US6064449A

    公开(公告)日：2000-05-16

    申请号：US961711

    申请日：1997-10-31

    申请人： Christopher M. White ,  Steve Waserman ,  Lawrence A. Kenyon

    发明人： Christopher M. White ,  Steve Waserman ,  Lawrence A. Kenyon

    IPC分类号： H04N5/445 ,  H04N5/46 ,  H04N21/462 ,  H04N21/4782 ,  H04N5/50

    CPC分类号： H04N21/4622 ,  H04N21/4383 ,  H04N21/4524 ,  H04N21/4782 ,  H04N21/654 ,  H04N21/6582 ,  H04N5/445 ,  H04N21/42676 ,  H04N5/46

    摘要： A method and apparatus in a client processing system are provided for characterizing an input television signal as broadcast television or cable television and, if the signal is cable television, as IRC cable, HRC cable, or standard cable. The client processing system includes processing circuitry configured to receive hypertext pages from a remote server and to display the hypertext pages on a display device, such as a conventional television set. The client system further includes a television tuner for receiving either cable television or broadcast television signals. When a television signal is initially provided to the client system, the client system executes a routine to automatically characterize the received television signal as broadcast, HRC cable, IRC cable, or standard cable. The characterization is made based upon one or more frequencies at which the incoming television signal is detected.

    摘要翻译： 提供客户处理系统中的方法和装置，用于表征作为广播电视或有线电视的输入电视信号，并且如果信号是有线电视，则作为IRC电缆，HRC电缆或标准电缆。 客户处理系统包括处理电路，其被配置为从远程服务器接收超文本页面并且在诸如常规电视机的显示设备上显示超文本页面。 客户系统还包括用于接收有线电视或广播电视信号的电视调谐器。 当最初向客户端系统提供电视信号时，客户端系统执行一个例程，以便将广播，HRC电缆，IRC电缆或标准电缆自动表征所接收的电视信号。 基于检测到输入电视信号的一个或多个频率进行表征。

    Automatically selecting and downloading device drivers from a server system to a client system that includes one or more devices
    7.
    发明授权
    Automatically selecting and downloading device drivers from a server system to a client system that includes one or more devices 失效
    自动从服务器系统选择和下载设备驱动程序到包含一个或多个设备的客户端系统

    公开(公告)号：US6023585A

    公开(公告)日：2000-02-08

    申请号：US850846

    申请日：1997-05-02

    申请人： Stephen G. Perlman ,  Tim Bucher

    发明人： Stephen G. Perlman ,  Tim Bucher

    IPC分类号： G06F13/10 ,  G06F9/445 ,  G06F13/00

    CPC分类号： G06F9/4415 ,  Y10S707/99944

    摘要： A method is provided of installing device drivers in a host processing system coupled to a number of peripheral devices. At system initialization, the host processing system requests the peripheral devices to which it is coupled to each provide a device code for identifying the type of the peripheral device. The host processing system receives the device codes from the peripheral devices and transmits the device codes to a remote server over a network, such as the Internet. The remote server selects an appropriate device driver for each peripheral device from a plurality of stored device drivers based on the device codes received from the host processing system and then transmits the device drivers to the host processing system over the network. This driver download process is carried out with no intervention from the user.

    摘要翻译： 提供了一种在耦合到多个外围设备的主机处理系统中安装设备驱动程序的方法。 在系统初始化时，主机处理系统请求与其耦合的外围设备，每个外围设备提供用于识别外围设备类型的设备代码。 主机处理系统从外围设备接收设备代码，并通过诸如因特网的网络将设备代码发送到远程服务器。 远程服务器根据从主处理系统接收的设备代码，从多个存储的设备驱动器中为每个外围设备选择适当的设备驱动程序，然后通过网络将设备驱动程序发送到主机处理系统。 此驱动程序下载过程在用户无干预的情况下进行。