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Expired European patentEurope

Ofdm demodulator with phase correction of the i-q signals

EP 1175761 B1 · Applicant: NXP B.V.

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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 April 18, 2000 and granted July 1, 2009. A European patent lasts at most 20 years from filing, so its term ended April 18, 2020.
  • 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 October 18, 2025.
  • 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.
FiledApril 18, 2000
PublishedJanuary 30, 2002
GrantedJuly 1, 2009
Term endedApril 18, 2020
Application numberEP 00923456
Classification (CPC)H04L27/2647

Timeline

Timeline From EPO dates

2001200320052007200920112013201520172019Application filedApril 18, 2000PublishedJan 30, 2002Patent grantedJuly 1, 2009Term endedApril 18, 2020

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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