Patent ID: 7312831
Filing Date: 2007-12-25
Classification: H04N

Abstract:
1. An On Screen Display processor for reinserting Vertical Blanking Interval data in a digital video signal comprising: an On Screen Display controller; a Vertical Blanking Interval waveform builder module configured to create a Video Blanking Interval Data bitmap; an On Screen Display memory, said On Screen Display memory being configured to retain Vertical Blanking Interval position data, Vertical Blanking Interval size data and a Vertical Blanking Interval gray scale palette; said On Screen Display controller being configured to receive the Vertical Blanking Interval data bitmap from said Vertical Blanking Interval waveform builder module and insert the Vertical Blanking Interval data bitmap into a digital video signal in operative communication with said On Screen Display controller, according to the position, size and gray scale data stored in said On Screen Display region memory; wherein an even field of said Vertical Blanking Interval data bitmap is inserted separately from an odd field of said Vertical Blanking Interval data bitmap.