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Calculation of a modified discrete cosine transform

EP 1584046 A2 · Applicant: Thomson Licensing

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Listed from its EPO record in Patent Yard's archive of European patents past their term. Its claims, description and drawings are in the EPO PDF and on Google Patents, and the Claude kit works from them.

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Why it's free to use

  • Filed December 29, 2003 and never granted as a European patent. Had it been granted, its 20-year term would have ended December 29, 2023.
  • Supplementary protection certificates extend only medicine and crop-protection patents, and it isn't classified as either.
  • We check European rights only. A US or other national patent in its family could still be in force: check its family on Espacenet or Google Patents.
FiledDecember 29, 2003
PublishedOctober 12, 2005
GrantedNever granted
Term endedDecember 29, 2023
Application numberEP 03808289
Classification (CPC)G06F17/147

Timeline

Timeline From EPO dates

2004200620082010201220142016201820202022Application filedDec 29, 2003PublishedOct 12, 2005Term endedDec 29, 2023

Sources & verification

Official EPO records

Full published documentClaims, description and drawings as a PDF.EPOEuropean Patent RegisterProcedure, status, file inspection and legal events.EPOLinked open EP data recordThe bibliographic record this page is built from.EPO

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