Method and apparatus for interferometric radar measurement
CA 2520165 C · Owner: Airbus Defence And Space Gmbh · Inventors: Voelker, Michael
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
In a method for interferometric radar measurement at least two synthetic aperture radar (SAR) systems on satellite and/or missile-supported platforms illuminate a common surface area by means of microwave signals. A first SAR system sends a first radar signal on a first transmit frequency and at least a second SAR system sends at least a second radar signal on at least a second transmit frequency. At least one of the at least two SAR systems receives the at least two interfering radar signals reflected on the common surface area determines difference phases of the received radar signals from the interferograms determines therefrom a drift of a system clock of the at least two SAR systems …
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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 September 20, 2005 and granted March 25, 2014. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended September 20, 2025.
- Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
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Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.