Image format converter for HDTV

Details Image format converter for HDTV Image format converter for HDTV

1995-10-18

1998-11-10

Lee, Michael H.

Television

Format conversion

348443, 348446, 348448, H04N 701, H04N 1120

Patent

active

058351507

ABSTRACT:
An image format converter for an HDTV is disclosed including a decoder for decoding transmitted data to thereby output video data, image format information, picture structure information, an input frequency sync signal, an input vertical sync signal, and an input line sync signal; a sync signal generator for outputs a display line sync signal, display vertical sync signal, process line sync signal, and process vertical sync signal, according to the input image format and displayed image format, using the image format information and the input frequency sync signal output from the decoder, a display format signal externally input in accordance with the display format, and an externally input reference clock; and a format converter for converting the input video signal into a sequential scanning mode of 60 Hz frame rate or an interlaced scanning mode of 60 Hz frame rate, using the information values output from the decoder and sync signal generator.

REFERENCES:
patent: 5138659 (1992-08-01), Kelkar et al.
patent: 5444491 (1995-08-01), Lim
patent: 5457499 (1995-10-01), Lim
patent: 5485216 (1996-01-01), Lee
patent: 5497199 (1996-03-01), Asada et al.

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