Differentially fed planar dipole antenna
CA 2579113 C · Owner: Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. · Inventors: Prieto-Burgos, Carlos; Wansch, Rainer
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An antenna comprises a first planar antenna (102; 202; 302) and a second planar , antenna (104; 204; 304). Means for coupling (106; 206; 306) serves for coupling the first , planar antenna (102; 202; 302) to a first component of a differential signal and for, coupling the second planar antenna (104; 204; 304) to a second component of the , differential signal.
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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 7, 2005 and granted January 24, 2012. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended September 7, 2025.
- Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
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Timeline
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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.