Display control device and control method
A control device and detector technology, applied in static indicators, cathode ray tube indicators, instruments, etc., can solve the problems of screen data coverage, repeated output of screen data, screen errors, etc.
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[0042] According to an embodiment of the present invention, a control device 100 for controlling frame synchronization is disclosed. Please refer to figure 1 , the control device 100 includes a detector 101 , a frequency adjustment signal generator 105 , a clock generator 107 and an output timing generator 109 . The detector 101 receives an input field reference signal 102 and an output field reference signal 103 . The detector 101 compares the input field reference signal 102 and the output field reference signal 103 to determine a lead lag signal 113 . The lead-lag signal 113 indicates that the output field reference signal 103 is leading or lagging relative to the input field reference signal 102 . The frequency adjustment signal generator 105 receives the lead lag signal 113 . The frequency adjustment signal generator 105 outputs a frequency adjustment signal 106 according to the lead lag signal 113 . The clock generator 107 outputs a clock 108 according to the frequen...
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