MAGNITUDE COMPRESSION SYSTEMS, INC.

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
4704628 Combined intraframe and interframe transform coding systemExpiredJul 16, 86Nov 03, 87[H04N]
4698672 Coding system for reducing redundancyExpiredOct 27, 86Oct 06, 87[H04N]
4541012 Video bandwidth reduction system employing interframe block differencing and transform domain codingExpiredJan 04, 82Sep 10, 85[H04N]
4394774 Digital video compression system and methods utilizing scene adaptive coding with rate buffer feedbackExpiredJun 26, 81Jul 19, 83[H04N, H04B, G06K]
4385363 Discrete cosine transformerExpiredApr 20, 81May 24, 83[G06F]
4302775 Digital video compression system and methods utilizing scene adaptive coding with rate buffer feedbackExpiredDec 15, 78Nov 24, 81[H04N, G08C, G06F]

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