发明名称 |
CHARACTER DISPLAY SYSTEM |
摘要 |
<p>CHARACTER DISPLAY SYSTEM A cathode ray tube of long persisting time has a control unit operably associated with a central processing unit and a CRT controller wherein the control unit generates signals to select data bus and memory access. A video inhibit signal is generated for a predetermined period of time by the control unit to avoid or prevent flicker or flashing on the screen during refreshing thereof.</p> |
申请公布号 |
CA1234232(A) |
申请公布日期 |
1988.03.15 |
申请号 |
CA19850475800 |
申请日期 |
1985.03.06 |
申请人 |
NCR CORPORATION |
发明人 |
YANG, CHIN-CHENG;FUJIKAWA, SHINSAKU;UTSUMI, MASASHI |
分类号 |
G09G5/22;G09G1/16;G09G5/00;(IPC1-7):G09G1/24 |
主分类号 |
G09G5/22 |
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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