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Expired European patentEurope

Viterbi equalizer for signals with bit alternating modulation, optical receiver and transmission system comprising the same, as well as Viterbi equalization method

EP 1845641 B1 · Applicant: Alcatel Lucent

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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 12, 2006 and granted September 29, 2010. A European patent lasts at most 20 years from filing, so its term ended April 12, 2026.
  • 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.
FiledApril 12, 2006
PublishedOctober 17, 2007
GrantedSeptember 29, 2010
Term endedApril 12, 2026
Application numberEP 06290635
Classification (CPC)H04B10/66

Timeline

Timeline From EPO dates

2007200920112013201520172019202120232025Application filedApril 12, 2006PublishedOct 17, 2007Patent grantedSep 29, 2010Term endedApril 12, 2026

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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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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