High speed analyzer using near infrared radiation transmitted through thick samples of optically dense material
CA 2479334 C · Owner: Ag Leader Technology, Inc. · Inventors: Ambuel, Jack
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The invention relates to an instrument (10) for measuring constituents in optically dense materials using near infrared radiation transmitted through samples of the material while the material is either stationary or flowing. The invention uses light source (1) and collimating optics to transmit a parallel beam of light through the material which is then collected by a , focusing lens and imaged onto a rectangular entrance slit of a spectrometer (4). The spectrometer (4) has nonmoving parts and a fixed diffraction grating to spread the image into a continuous range of wavelengths. A portion of the diffracted slit images covering the selected portion of the NIR is focused onto an …
Read the whole patent
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 19, 2003 and granted May 22, 2012. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended March 19, 2023.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by March 19, 2025.
- 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.