公开(公告)号：EP0043697A3

公开(公告)日：1982-01-20

申请号：EP81302992

申请日：1981-07-01

申请人： THE POST OFFICE

发明人： Lyttleton Foster, Robert Alan ,  LLewellyn Childs, Geoffrey Henry

IPC分类号： H04N07/08 ,  H04M11/00 ,  H04L05/00

CPC分类号： G09G1/00

摘要： A data transmission of the videotex type in which coded information can be transmitted from a central information store 10 to a plurality of terminals 14. The coded information includes groups of bits representing characters and groups of bits representing control codes. In the transmission technique used in the system a character attribute can be represented by a display control code which is transmitted in association with a cursor backspace code. By using this technique characters of different attributes can be displayed without a space being required between the characters on the display.

公开(公告)号：EP0043697B1

公开(公告)日：1984-03-14

申请号：EP81302992.3

申请日：1981-07-01

申请人： THE POST OFFICE

发明人： Lyttleton Foster, Robert Alan ,  LLewellyn Childs, Geoffrey Henry

IPC分类号： H04N7/08 ,  H04M11/00 ,  H04L5/00

CPC分类号： G09G1/00

公开(公告)号：EP0043697A2

公开(公告)日：1982-01-13

申请号：EP81302992.3

申请日：1981-07-01

申请人： THE POST OFFICE

发明人： Lyttleton Foster, Robert Alan ,  LLewellyn Childs, Geoffrey Henry

IPC分类号： H04N7/08 ,  H04M11/00 ,  H04L5/00

CPC分类号： G09G1/00

摘要： A data transmission of the videotex type in which coded information can be transmitted from a central information store 10 to a plurality of terminals 14. The coded information includes groups of bits representing characters and groups of bits representing control codes. In the transmission technique used in the system a character attribute can be represented by a display control code which is transmitted in association with a cursor backspace code. By using this technique characters of different attributes can be displayed without a space being required between the characters on the display.