Patent ID: 6111610
Filing Date: 2000-08-29
Classification: H04N

Abstract:
Apparatus for converting film-originated nominally 60 Hz frame rate progressively scanned video signals having a 3-2 pulldown pattern for 120 Hz frame rate progressive scan display without motion discontinuities, comprisinga 60 Hz to 120 Hz frame rate doubler receiving the film-originated video signal and putting out a 120 Hz video signal maintaining the 3-2 pulldown pattern as a 6-4 pattern, anda frame repeater, deleter and substituter that deletes the first or last one of the frames in each of the six frame sequences and repeats and substitutes therefore one of the adjacent frames in each of the adjacent four frame sequences, whereby a 120 Hz video signal results having a 5-5 pattern in which the display time of each film frame is the same.