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Expired European patentEurope

Movement detection circuit for a PAL television signal

EP 0100575 B1 · Applicant: Philips Electronics N.V.

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Overview

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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 July 28, 1983 and granted November 13, 1985. A European patent lasts at most 20 years from filing, so its term ended July 28, 2003.
  • 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 January 28, 2009.
  • 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.
FiledJuly 28, 1983
PublishedFebruary 15, 1984
GrantedNovember 13, 1985
Term endedJuly 28, 2003
Application numberEP 83201106
Classification (CPC)H04N5/144

Timeline

Timeline From EPO dates

1984198619881990199219941996199820002002Application filedJuly 28, 1983PublishedFeb 15, 1984Patent grantedNov 13, 1985Term endedJuly 28, 2003

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

Everything on this page comes from the EPO record linked above. EPO data used under CC BY 4.0.