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Expired Canadian patentCanada

System and method for concurrent operation of multiple radar or active sonar systems on a common frequency

CA 2567572 C · Owner: Dizaji, Reza M. · Inventors: Dizaji, Reza M.; Mckerracher, Richard R.; Ponsford, Anthony M.

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Abstract From the Canadian patent

A system and corresponding method for the concurrent operation of multiple radar systems on a common frequency and in the same geographical area includes a waveform generator that specifies certain operating parameters for the transmitted radar pulses. In a first instance the carrier frequency can , include an offset for each radar system. In a second instance complementary , codes can be used for the radar pulses such that each radar system operates with a unique code for substantially reducing the cross-talk between the radar systems. In another instance, both carrier frequency offset and complementary coded waveforms can be used to increase the number of radar systems that operate …

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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 April 27, 2005 and granted June 26, 2012. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended April 27, 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.
FiledApril 27, 2005
GrantedJune 26, 2012
Term endedApril 27, 2025
Patent numberCA 2567572 C
Classification (IPC)G01S13/87 +2 more

Timeline

Timeline From CIPO dates

2006200820102012201420162018202020222024Application filedApril 27, 2005Patent grantedJune 26, 2012Term endedApril 27, 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.