On-chip spectral filtering using ccd array for imaging and spectroscopy
CA 2601923 C · Owner: Lesiak, Christopher · Inventors: Bouzid, Ahmed; Lesiak, Christopher; Franzen, David L.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
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A spectral filtering apparatus and method is presented which enables the , functions of hyperspectral imaging to be performed with increased speed simplicity, and performance that are required for commercial products. The apparatus includes a photosensitive array having a plurality of photosensitive elements such that different subsections of photosensitive elements of the array receive light of a different wavelength range of a characteristic spectrum of a target, and output electronics combines signals of at least two photosensitive elements in a subsection of the array and outputs the combined signal as a measure of the optical energy within a bandwidth of interest of the …
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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 March 2, 2006 and granted April 15, 2014. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended March 2, 2026.
- Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
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Timeline
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Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.