Illuminator for optical inspection system
CA 2452403 A1 · Owner: Vromet, Frederic · Inventors: Fourt, Denis; Vromet, Frederic; Tu, Xiaowei
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An illuminator for use with an optical system for inspecting samples such as experimentally grown proteins includes a light source a light refracting , optical, element such as fresnel lens and an opalescent light diffusing plate disposed between the light source and the fresnel lens. An adjustment device mechanically, coupled to the light diffusing plate is operable for varying the optical distance, between the light diffusing plate and the light refracting optical element to modulate, deflection effect thereof on diffused fight generated by the light diffusing plate so as, to control relative levels of resulting diffused light and direct light beamed by the, fresnel lens onto the …
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 December 5, 2003. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended December 5, 2023.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by December 5, 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.