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Vertical Blanking Control Using Vertical Retrace Signal On Interlace Scan Drive Disclosure Number: IPCOM000067503D
Original Publication Date: 1979-Aug-01
Included in the Prior Art Database: 2005-Feb-20

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Matsubara, K [+details]


In the interlace scanning on a monitor CRT, a properly timed vertical retrace signal is applied to the vertical blanking circuit as well as the vertical retrace circuit. This makes it possible to save and simplify hardware circuits by eliminating the conventional timed blanking means for controlling the blanking during the vertical retrace time.