发明名称 |
Method of transmitting teletext pages |
摘要 |
Method, transmitter and receiver for transmitting, receiving and displaying teletext pages. A Level 1 teletext page transmitted in a known manner is extended to a higher display level using extension signals. To activate a desired attribute in an area covering a plurality of rows, the extension signals include a height code which indicates the number of further rows in which the further attributes must be repeated.
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申请公布号 |
US5627594(A) |
申请公布日期 |
1997.05.06 |
申请号 |
US19950498249 |
申请日期 |
1995.06.29 |
申请人 |
U.S. PHILIPS CORPORATION |
发明人 |
VAN GESTEL, HENRICUS A. W. |
分类号 |
H04N7/025;H04N7/03;H04N7/035;H04N7/087;H04N7/088;(IPC1-7):H04N7/087 |
主分类号 |
H04N7/025 |
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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