Multispectral sensor
CA 2079515 A1 · Owner: Norkus, Volkmar · Inventors: Nagel, Frank; Norkus, Volkmar; Schiewe, Christian
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention relates to a multispectral sensor with several filter and sensor elements for different spectral ranges of a radiation to be measure. The object of the invention is to so further develop a multispectral sensor of this type that it can be manufactured as a discreet component with small dimensions and has a high measuring accuracy whilst obtaining a high output, signal. This object is achieved in that the beam is broken down by a optical device into several partial beams and reflected onto filters. Behind the filters are located radiation-sensitive elements which detect the spectral, range corresponding to the transmission range of the in each case upstream filter. The remaining …
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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 30, 1992. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended September 30, 2012.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by September 30, 2014.
- 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.