| 摘要 |
PURPOSE: An apparatus for controlling a width and phase of blanking pulse is provided for high quality image display. CONSTITUTION: An apparatus comprises a source of a first signal synchronized to deflection, the first signal including a first portion representative of a retrace interval, unit coupled to a first video signal and responsive to a second signal representative of the retrace interval for generating a second video signal having a blanking interval, and unit responsive to a third signal representative of the blanking interval and to the first signal for generating the second signal so as to control the phase of the blanking interval relative to the retrace interval.
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