发明名称 |
Circuit and method for producing a full-screen cross-hair cursor on a raster-scan type display |
摘要 |
A circuit and method for receiving and sequentially decrementing the x and y coordinates of a desired cursor location so as to produce in a raster-scan display system a cross-hair cursor the component parts of which extend the full height and width of the display area.
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申请公布号 |
US4190834(A) |
申请公布日期 |
1980.02.26 |
申请号 |
US19780951703 |
申请日期 |
1978.10.16 |
申请人 |
TEKTRONIX INC |
发明人 |
DOORNINK, DOUGLAS J |
分类号 |
G06F3/038;G06F3/048;G06F3/14;G06T11/00;G09G5/08;(IPC1-7):G06F3/14 |
主分类号 |
G06F3/038 |
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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