Technique for providing compatibility between high-definition and conventional color television

BG Haskell - US Patent 4,476,484, 1984 - Google Patents
The present invention relates to a compatible high-definition television (CHDTV) color
picture signal which is capable of conversion by simple and inexpensive means into either a …
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Technique for providing compatibility between high-definition and conventional color television

BG Haskell - US Patent 4,476,484, 1984 - freepatentsonline.com
The present invention relates to a compatible high-definition television (CHDTV) color
picture signal which is capable of conversion by simple and inexpensive means into either a …