发明授权
- 专利标题： Screening circuit for screening image pixels
- 专利标题（中）： 用于筛选图像像素的筛选电路
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申请号： US61749申请日： 1987-06-15
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公开(公告)号： US4755813A公开(公告)日： 1988-07-05
- 发明人: Leon C. Williams
- 申请人： Leon C. Williams
- 申请人地址： CT Stamford
- 专利权人： Xerox Corporation
- 当前专利权人： Xerox Corporation
- 当前专利权人地址： CT Stamford
- 主分类号： G06T1/60
- IPC分类号： G06T1/60 ; H04N1/405 ; G09G1/02
摘要：
A programmable screening circuit with memory for storing at each address location both a pixel screen value and the memory address of the screen value for the next pixel to be screened, and a control including a latch pair for separating data from each memory location addressed into a screen value for screening the pixel and an address for addressing the memory location for the next screen value.