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Expired Canadian patentCanada

Boc signal acquisition and tracking method and apparatus

CA 2507360 C · Owner: Lachapelle, Gerard · Inventors: Cannon, M. Elizabeth; Julien, Olivier; Lachapelle, Gerard

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Abstract From the Canadian patent

A method and apparatus for acquiring and tracking a BOC signal in a satellite navigation receiver includes a synthesized acquisition test function or a discriminator for code delay provided by combining a BOC autocorrelation function and a BOC/PRN cross-correlation function.

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Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.

Why it's free to use

  • Filed May 16, 2005 and granted October 15, 2013. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended May 16, 2025.
  • Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledMay 16, 2005
GrantedOctober 15, 2013
Term endedMay 16, 2025
Patent numberCA 2507360 C
Classification (IPC)G01S19/29

Timeline

Timeline From CIPO dates

2006200820102012201420162018202020222024Application filedMay 16, 2005Patent grantedOct 15, 2013Term endedMay 16, 2025

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Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.