发明名称 |
DATA TRANSMISSION SYSTEMS |
摘要 |
<p>IMPROVEMENTS IN OR RELATING TO DATA TRANSMISSION SYSTEMS A data transmission of the videotex type in which coded information can be transmitted from a central information store to a plurality of terminals. 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.</p> |
申请公布号 |
CA1168773(A) |
申请公布日期 |
1984.06.05 |
申请号 |
CA19810380991 |
申请日期 |
1981.07.02 |
申请人 |
POST OFFICE |
发明人 |
FOSTER, ROBERT A.L.;CHILDS, GEOFFREY H.L. |
分类号 |
G09G1/00;(IPC1-7):H04M11/06 |
主分类号 |
G09G1/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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