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Expired European patentEurope

Circuit for decoding the vertical synchronisation pulse in a composite video signal

EP 0188964 B1 · Applicant: Deutsche Thomson-Brandt GmbH

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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 24, 1985 and granted March 15, 1989. A European patent lasts at most 20 years from filing, so its term ended December 24, 2005.
  • A supplementary protection certificate, which can extend a medicine or crop-protection patent, adds at most five and a half years, so even that would have ended by June 24, 2011.
  • 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 24, 1985
PublishedJuly 30, 1986
GrantedMarch 15, 1989
Term endedDecember 24, 2005
Application numberEP 85402613
Classification (CPC)H04N5/10

Timeline

Timeline From EPO dates

1986198819901992199419961998200020022004Application filedDec 24, 1985PublishedJuly 30, 1986Patent grantedMarch 15, 1989Term endedDec 24, 2005

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

Cross-check elsewhere

Google PatentsFull text, worldwide family, citing patents and legal events.patents.google.comEspacenetNational family members and their legal status.European Patent Office

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