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    Television on-screen display system utilizing text data compression
    1.
    发明授权
    Television on-screen display system utilizing text data compression 失效
    使用文本数据压缩的电视屏幕显示系统

    公开(公告)号：US6011539A

    公开(公告)日：2000-01-04

    申请号：US757687

    申请日：1996-12-03

    申请人： Thomas H. Hamilton ,  Kenneth Wayne Maze

    发明人： Thomas H. Hamilton ,  Kenneth Wayne Maze

    IPC分类号： G06F12/00 ,  G06F3/048 ,  G06F3/14 ,  G06F15/00 ,  H03M7/30 ,  H04N5/278 ,  H04N5/445 ,  H04N21/485

    CPC分类号： H04N5/44513 ,  H03M7/30 ,  H04N5/44504

    摘要： An on-screen display system for displaying instructions for guiding a user to utilize various features of a consumer electronics product such as a television receiver or VCR, includes a memory for storing both uncompressed text data and compressed text data, and an associated microprocessor for retrieving the text data, decompressing it if necessary, and presenting it to a display buffer. Text data compression is in part accomplished by a dictionary containing text data representing commonly used text "strings" comprising one or more words which is stored in the memory. Code words related to the location of respective dictionary entries in memory are substituted for respective uncompressed text data. Text data compression is also accomplished by substituting a format change code word indicating that adjacent text data representing a first string of text with a first format, such as all lower case or mixed case, is to be converted to text data representing a second string of text with a second format, such as all upper case or title case. In this way, text data representing text differing only in format only needs to be stored once. The format change code word is employed both in the uncompressed text data portion of the memory and in the dictionary portion of the memory and the text data, whether uncompressed or compressed, is retrieved and formatted for display in the same manner.

    摘要翻译： 用于显示用于引导用户利用诸如电视接收机或VCR的消费电子产品的各种特征的指令的屏幕显示系统包括用于存储未压缩文本数据和压缩文本数据的存储器以及用于检索的相关微处理器 文本数据，如果需要，将其解压缩，并将其呈现给显示缓冲区。 文本数据压缩部分地通过包含文本数据的字典部分地完成，该文本数据表示常用的文本“字符串”，包括存储在存储器中的一个或多个字。 与存储器中的各个字典条目的位置相关的代码字代替相应的未压缩的文本数据。 文本数据压缩也可以通过替换格式改变代码字来实现，该格式改变代码字指示将表示具有第一格式（例如全部小写或混合大小写）的第一文本串的相邻文本数据转换为表示第二串的第二串的文本数据 具有第二格式的文本，例如所有大写或标题大小写。 这样，仅在格式上表示文本的文本数据仅需要存储一次。 在存储器的未压缩文本数据部分和存储器的字典部分中采用格式改变码字，无论是未压缩还是压缩，文本数据被检索和格式化以便以相同的方式显示。

    Television apparatus for simultaneous decoding of auxiliary data included in multiple television signals
    7.
    发明授权
    Television apparatus for simultaneous decoding of auxiliary data included in multiple television signals 失效
    用于同时解码包括在多个电视信号中的辅助数据的电视装置

    公开(公告)号：US6055023A

    公开(公告)日：2000-04-25

    申请号：US769329

    申请日：1996-12-19

    申请人： Mark Francis Rumreich ,  Kenneth Wayne Maze ,  Joseph Wayne Forler

    发明人： Mark Francis Rumreich ,  Kenneth Wayne Maze ,  Joseph Wayne Forler

    IPC分类号： H04N5/445 ,  H04N5/45 ,  H04N7/035 ,  H04N7/08 ,  H04N7/081 ,  H04N7/088 ,  H04N21/488 ,  H04N5/44

    CPC分类号： H04N21/4884 ,  H04N5/44513 ,  H04N7/0355 ,  H04N7/0882 ,  H04N7/0887 ,  H04N5/45

    摘要： Television apparatus includes first and second auxiliary data decoders for simultaneously extracting auxiliary data from respective first and second television signals to produce first and second auxiliary data. The data decoders can selectably extract data from one or more auxiliary data intervals, e.g., one or more line intervals during vertical blanking within a television signal. The first and second auxiliary data is coupled to a controller such as the main microprocessor of the television system. The second auxiliary data is coupled to the controller via an auxiliary data buffer and an I.sup.2 C serial data bus. The television signal from which the second auxiliary data is extracted can be provided by a second television signal source such as a second tuner or an external signal source (e.g., video cassette recorder, video disk player, and the like).

    摘要翻译： 电视设备包括第一和第二辅助数据解码器，用于从相应的第一和第二电视信号同时提取辅助数据，以产生第一和第二辅助数据。 数据解码器可以在电视信号中的垂直消隐期间从一个或多个辅助数据间隔（例如，一个或多个行间隔）中可选择地提取数据。 第一和第二辅助数据耦合到诸如电视系统的主微处理器的控制器。 第二辅助数据通过辅助数据缓冲器和I2C串行数据总线耦合到控制器。 提取第二辅助数据的电视信号可以由诸如第二调谐器或外部信号源的第二电视信号源（例如，盒式录像机，视频盘播放机等）来提供。