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    • 12. 发明授权
    • System and method for enabling a user to move between cyclically transmitted image streams
    • 使用户能够在循环传输的图像流之间移动的系统和方法
    • US06177930B1
    • 2001-01-23
    • US08825326
    • 1997-03-28
    • Richard ChernockPaolo DettoriMilan MilenkovicAntonio Ruiz
    • Richard ChernockPaolo DettoriMilan MilenkovicAntonio Ruiz
    • H04N7173
    • H04N21/482H04N5/4401H04N5/44543H04N5/50H04N7/165H04N21/26266H04N21/2665H04N21/2668H04N21/443H04N21/4722H04N21/643H04N21/8586
    • An interactive presentation system receives a plurality of series of digital data segments (e.g., image frames), each series of digital data segments appearing at the video presentation system on a repetitive, cyclic basis. Each digital data segment includes a first data portion from which an image can be constructed and a second data portion which includes information relating to the image and further includes, if required, information which links an active area of the image to another data source. The system includes an interface for receiving the repetitively transmitted series of digital data segments and a switch for selecting at least one of the received series of digital data segments. A display presents an image that is constructed from the first data portion of a data segment that is included in a series of digital data segments. A processor is responsive to a user's selection of an active area on a displayed image to employ information from the second data portion that is associated with the displayed image to operate the switch to access another data source. The other data source can be another data segment, a video presentation, or an audio presentation. The video presentation system is operable without requiring a reverse channel for communications with the transmission head end.
    • 交互式呈现系统接收多个数字数据段(例如,图像帧)系列,每一系列数字数据段以重复的循环方式出现在视频呈现系统中。 每个数字数据段包括可从其构造图像的第一数据部分和包括与图像相关的信息的第二数据部分,并且如果需要,还包括将图像的活动区域链接到另一数据源的信息。 该系统包括用于接收重复发送的数字数据段的接口和用于选择所接收的一系列数字数据段中的至少一个的开关。 显示器呈现由包括在一系列数字数据段中的数据段的第一数据部分构成的图像。 处理器响应于用户对显示的图像上的活动区域的选择,以采用与所显示的图像相关联的来自第二数据部分的信息来操作切换器以访问另一数据源。 另一数据源可以是另一数据段,视频呈现或音频呈现。 视频呈现系统可操作而不需要用于与传输头端通信的反向信道。