发明名称 |
Sistema de exibicão de um terminal de assinante para sistema de televisão por assinatura sistema de exibição para gerar um primeiro sinal de vídeo e processo em sistema de exibição para gerar um primeiro sinal de vídeo |
摘要 |
<p>A display system for the on screen display of information for a subscriber terminal of a subscription television system includes a display processor which can display information in the form of a display screen stored in a display memory. The display processor can be preprogrammed by the control processor with a plurality of display attributes including different symbol sets, different color palettes, whether the screen is to be a text screen, graphic screen or a combination of a text and graphics system, and the size and location of each screen display on the display area. The display processor includes a digital processor and an analog processor. The digital processor controls accessing the display data from the memory and converting it into timed digital pixels. The analog processor includes a digital to analog pixel converter which produces analog pixels from the digital pixels in a timed relation to an input video signal. The analog processor includes a multiplexer which substitutes the analog pixels for the pixels of the input video signal when display processor is active.</p> |
申请公布号 |
BR9406793(A) |
申请公布日期 |
1996.01.30 |
申请号 |
BR19949406793 |
申请日期 |
1994.06.06 |
申请人 |
SCIENTIFIC-ATLANTA, INC. |
发明人 |
ROBERT O BANKER;I T H CHAM;KINNEY C BACON;DAVID B BURLESON |
分类号 |
H04N5/272;H04N5/445;H04N5/45;H04N7/088;H04N7/16;H04N21/2743;H04N21/41;H04N21/431;H04N21/4786;H04N21/4788;H04N21/488;H04N21/6547;(IPC1-7):H04N5/262 |
主分类号 |
H04N5/272 |
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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