US PATENT SUBCLASS 348 / 605
.~ Including vertical interval reference (e.g., VIR)

Current as of: June, 1999
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348 /   HD   TELEVISION

571  DF  IMAGE SIGNAL PROCESSING CIRCUITRY SPECIFIC TO TELEVISION {34}
605.~ Including vertical interval reference (e.g., VIR)

DEFINITION

Classification: 348/605

Including vertical interval reference (e.g., VIR):

(under subclass 571) Subject matter including a circuitry to use a predetermined signal located during the period that the electron beam returns from the bottom of a CRT to the top of a CRT to control processing of the image signal.