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Expired Canadian patentCanada

Method and device for blind de-hopping

CA 2618469 C · Owner: Thales · Inventors: Guignard, Thierry; Brunet, Daniel; Houx, Herve

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Abstract From the Canadian patent

A method and device for real-time characterization of frequency-hopping networks, in which the signal to be characterized is converted into a digital signal and the frequency characteristics of the signal are determined comprising at least the following steps: .cndot. a frequency hop is sought for synchronization with the start of the , transmission, .cndot. the frequency is tracked and the central frequency Fc of the required , transmission channel is sought .cndot. a delay is applied to the digitized samples during the tracking phase, .cndot. the samples corresponding to the signal step are determined on the, basis of the delayed samples and the identified central frequency.

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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 July 5, 2006 and granted December 2, 2014. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended July 5, 2026.
  • 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.
FiledJuly 5, 2006
GrantedDecember 2, 2014
Term endedJuly 5, 2026
Patent numberCA 2618469 C
Classification (IPC)H04B1/71 +1 more

Timeline

Timeline From CIPO dates

2007200920112013201520172019202120232025Application filedJuly 5, 2006Patent grantedDec 2, 2014Term endedJuly 5, 2026

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