Device for concentrating optical radiation
CA 2373606 A1 · Owner: Terrasun, Llc · Inventors: Rosenberg, Glenn A.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A holographic planar concentrator (HPC) (10') for collecting and concentrating optical radiation is provided. The holographic planar concentrator (10') comprises a planar highly transparent plate (12 12') and at least one , multiplexed holographic optical film (14 14') mounted on a surface thereof. , The multiplexed holographic optical film (14 14') has recorded therein a , plurality of diffractive structures having one or more regions (14 114, 214) , which are angularly and spectrally multiplexed. Two or more of the regions (14, 114, 214) may be configured to provide spatial multiplexing. The recording of the plurality of diffractive structures is tailored to the intended orientation …
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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 May 25, 2000. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended May 25, 2020.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by May 25, 2022.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
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.