US PATENT SUBCLASS 348 / 183
.~.~ VITS or ILTS

Current as of: June, 1999
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180  DF  MONITORING, TESTING, OR MEASURING {6}
181  DF  .~ Test signal generator {2}
183.~.~ VITS or ILTS

DEFINITION

Classification: 348/183

VITS or ILTS:

(under subclass 181) Subject matter wherein the test signal is a vertical interval test signal (VITS), interjected during the vertical blanking interval, or is an in-line test signal (ILTS), injected during the portion of the visible or image interval.