| 摘要 |
PROBLEM TO BE SOLVED: To realize various screen processings, such as a multi-line and dots using a simple system constitution. SOLUTION: A pattern table 203 stores a plurality of screen patterns, including a predetermined number of pattern data and having different data patterns. An in-pattern position calculator 201 generates an in-pattern position signal indicating a position of an input image signal in an input image signal Pin. A pattern-selecting signal combining section 202 generates a pattern selecting signal which selects a specified pattern in the pattern table from the input image signal, combines the pattern-selecting signal with the in-pattern position signal and supplies an address in the pattern table. A system CPU 91 reads pattern data, corresponding to the address in the pattern table from the pattern table and supplies the data as image data.
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