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Expired European patentEurope

Video signal processing circuit

EP 0132001 B1 · Applicant: Philips Electronics N.V.

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Overview

The published document from the EPO: abstract, claims, description and drawings. Open it full size

Read the whole patent

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.

Why it's free to use

  • Filed July 5, 1984 and granted November 11, 1987. A European patent lasts at most 20 years from filing, so its term ended July 5, 2004.
  • 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 5, 2010.
  • 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 5, 1984
PublishedJanuary 23, 1985
GrantedNovember 11, 1987
Term endedJuly 5, 2004
Application numberEP 84200977
Classification (CPC)H04N5/14

Timeline

Timeline From EPO dates

1985198719891991199319951997199920012003Application filedJuly 5, 1984PublishedJan 23, 1985Patent grantedNov 11, 1987Term endedJuly 5, 2004

Sources & verification