| 摘要 |
PROBLEM TO BE SOLVED: To provide an APC circuit that suppresses the occurrence of jitters. SOLUTION: The APC circuit is provided with a re-load latch 5, which stores the number of high-speed clocks generated from a ring oscillator 3 while external dot clocks are at H level. In the circuit, when a horizontal synchronous signal Hsync is input, the output of level signals at L level is started, and the level signals are reversed when clocks are generated from the ring oscillator 3 in the same number as stored in the re-load latch 5. Thus, the occurrence of jitters is suppressed to prevent a display disorder on a screen. COPYRIGHT: (C)2004,JPO
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