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    System for digitally transmitting and displaying data on television receiver screen
    1.
    发明授权
    System for digitally transmitting and displaying data on television receiver screen 失效
    用于在电视接收机屏幕上数字发送和显示数据的系统

    公开(公告)号：US4361848A

    公开(公告)日：1982-11-30

    申请号：US39837

    申请日：1979-05-17

    申请人： Alain Poignet ,  Claude Fournier ,  Martine Le Marouille

    发明人： Alain Poignet ,  Claude Fournier ,  Martine Le Marouille

    IPC分类号： G09G5/02 ,  G09G5/22 ,  H04N7/025 ,  H04N1/32 ,  G06F3/14

    CPC分类号： G09G5/222 ,  G09G5/026 ,  H04N7/0255

    摘要： A teletext system for broadcast of pages of magazines to be displayed on television receiver screen. A subscriber entitled to receive a magazine can select a desired page thereof by actuating a keyboard to transmit 8-bit words belonging to two groups: first properly said character words and second function words. Among the function words, there are page flag words which indicate that a page number word follows it and make the selection possible. A row flag word is followed by a row number word to indicate the vertical address of a sequence of characters in a page. Adaptation means are provided for adapting the voltage/light characteristics, as in a current gamma correction, which permits correctly displayed logic signals.

    摘要翻译： 用于广播要在电视接收机屏幕上显示的杂志页面的图文电视系统。 有权接收杂志的用户可以通过致动键盘来传送属于两组的8位字来选择所希望的页面：首先适当地说所述字符字和第二功能字。 在功能词中，存在表示页码字跟随它并使选择成为可能的页标志字。 行标志后面是行号字，表示页面中字符序列的垂直地址。 提供了适应装置，以适应电压/光特性，如当前伽马校正，允许正确显示的逻辑信号。

    System for digital transmission and text display
    3.
    发明授权
    System for digital transmission and text display 失效
    数字传输和文字显示系统

    公开(公告)号：US4290062A

    公开(公告)日：1981-09-15

    申请号：US015959

    申请日：1979-02-28

    申请人： Bernard Marti ,  Alain Poignet ,  Jean-Yves Savary ,  Roger Brusq

    发明人： Bernard Marti ,  Alain Poignet ,  Jean-Yves Savary ,  Roger Brusq

    IPC分类号： G06F3/153 ,  G09G1/06 ,  G09G5/00 ,  G09G5/22 ,  G09G5/24 ,  G09G5/32 ,  H04N5/66 ,  H04N7/025 ,  H04N7/03 ,  H04N7/035 ,  G06F3/14

    CPC分类号： H04N7/0255 ,  G09G5/225

    摘要： A system for transmission and display of texts on a television screen enables a display of a magazine made up of several pages. The packets of data relative to one page are transmitted without being multiplexed with the packets from another page of the same magazine. The data of one page begins with a page flag which is followed by data indicating the number of the page and ends with the flag of the following page. The data from each page is grouped in rows, preceded by a row flag.Each page contains an order row of the data which is operation data and is not used for display. Certain pages contain only the data which is relative to the shape of characters of the alphabet and the pages are not for display. They include in their order rows a specific operation octet which is recognized in the receiver. Responsive to this page, the system switches the subsequent data from the alphabet page towards the writing circuit of one of many shape memories, in order to record there the character shape data.

    摘要翻译： 用于在电视屏幕上传输和显示文本的系统能够显示由几页构成的杂志。 相对于一页的数据分组被传输而不与来自同一杂志的另一页的分组复用。 一页的数据以页面标志开始，其后面是表示页面编号的数据，并以下一页的标志结束。 来自每个页面的数据被分组成行，前面是行标志。 每页包含作为操作数据的数据的订单行，不用于显示。 某些页面仅包含相对于字母表的字符形状的数据，并且页面不显示。 它们在其顺序行中包括在接收器中识别的特定操作字节。 响应于该页面，系统将后续数据从字母表切换到许多形状存储器之一的写入电路，以便在其上记录字符形状数据。

    System for digitally transmitting and displaying texts on television screen
    4.
    再颁专利
    System for digitally transmitting and displaying texts on television screen 失效
    用于在电视屏幕上数字传输和显示文本的系统

    公开(公告)号：USRE32187E

    公开(公告)日：1986-06-17

    申请号：US270097

    申请日：1981-06-03

    申请人： Jean F. Barda ,  Roger Brusq ,  Bernard Marti ,  Alain Poignet

    发明人： Jean F. Barda ,  Roger Brusq ,  Bernard Marti ,  Alain Poignet

    IPC分类号： G09G5/02 ,  G09G5/22 ,  H04N7/025

    CPC分类号： H04N7/0255 ,  G09G5/026 ,  G09G5/222

    摘要： In the disclosed teletext system, the transmitter station broadcasts data cks data from several channels, the data packs being time multiplexed. Each data pack comprises a prefix signal for causing a teletext receiver either to accept the data packs of a selected channel or to reject data packs from other channels. In addition to the prefix, and possibly page flags followed by page numbers and row flags followed by row numbers, the sequence of eight-bit words, transmitted in a pack, may comprise escape eight-bit words followed by type identity eight-bit words, which are themselves followed by a sequence of characters to be displayed in the same type the identity of which is determined by the preceding type identity eight-bit words. Each teletext receiver comprises, a first conventional random access memory storing the coded characters, a second random access memory storing the type identity eight-bit words at the same address as those of the characters belonging to the sequence in the first random access memory. A read operation from the first random access memory, for display purpose, is performed at the same time as the read operation from the second random access memory. The output signals of the second memory select a character generator which includes a permanent memory which reads out the shape of those characters which read out from the first random access memory.

    System for digitally transmitting and displaying texts on television screen
    5.
    发明授权
    System for digitally transmitting and displaying texts on television screen 失效
    用于在电视屏幕上数字传输和显示文本的系统

    公开(公告)号：US4213124A

    公开(公告)日：1980-07-15

    申请号：US833157

    申请日：1977-09-14

    申请人： Jean F. Barda ,  Roger Brusq ,  Bernard Marti ,  Alain Poignet

    发明人： Jean F. Barda ,  Roger Brusq ,  Bernard Marti ,  Alain Poignet

    IPC分类号： G09G5/02 ,  G09G5/22 ,  H04N7/025 ,  G06F3/14

    CPC分类号： H04N7/0255 ,  G09G5/026 ,  G09G5/222

    摘要： In the disclosed teletext system, the transmitter station broadcasts data cks data from several channels, the data packs being time multiplexed. Each data pack comprises a prefix signal for causing a teletext receiver either to accept the data packs of a selected channel or to reject data packs from other channels. In addition to the prefix, and possibly page flags followed by page numbers and row flags followed by row numbers, the sequence of eight-bit words, transmitted in a pack, may comprise escape eight-bit words which are followed by type identity eight-bit words, themselves followed by a sequence of characters to be displayed in the same type the identity of which is determined by the preceding type identity eight-bit words. Each teletext receiver comprises, a first conventional random access memory storing the coded characters, a second random access memory storing the type identity eight-bit words at the same addresses as those of the characters belonging to the sequence in the first random access memory. A read operation from the first random access memory, for display purpose, is performed at the same time as the read operation from the second random access memory. The output signals of the second memory select a character generator which includes a permanent memory which reads out the shape of those characters which read out from the first random access memory.

    摘要翻译： 在所公开的图文电视系统中，发射台从多个频道广播数据包数据，数据包被时分复用。 每个数据包包括用于使图文电视接收机接受所选频道的数据包或从其他频道拒绝数据包的前缀信号。 除了前缀以及可能的页面标记之后是页码和行标志，随后是行号，在一个包中发送的八位字的序列可以包括逃逸八位字，后面是类型标识八位字， 他们后面跟着一串字符，以同一类型显示，其标识由前面的类型标识8位字确定。 每个图文电视接收机包括存储编码字符的第一常规随机存取存储器，存储与属于第一随机存取存储器中的序列的字符相同地址的类型标识8位字的第二随机存取存储器。 与来自第二随机存取存储器的读取操作同时执行用于显示目的的来自第一随机存取存储器的读取操作。 第二存储器的输出信号选择字符发生器，该字符发生器包括一个永久存储器，该永久存储器读出从第一随机存取存储器读出的那些字符的形状。