Measurement of cylindrical objects through laser telemetry
CA 2413446 A1 · Owner: Universite Catholique De Louvain · Inventors: Naydenov, Volodia; Dereine, Emmanuel; Eugene, Christian
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The present invention relates to a method and a device for measurement of a diameter of cylindrical objects (2) with a longitudinal axis from a distance. A method according to the present invention comprises the following steps: , generating an illuminated line of intersection (10) with the substantially cylindrical object (2) by a light source (6) the illuminated line of , intersection (10) being substantially perpendicular to the longitudinal axis capturing an image of this line of intersection (10) by means of a camera (12), the optical axis (15) of which is oriented towards the object and is inclined with respect to the illuminated line of intersection (10) the image , having two …
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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 June 27, 2001. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended June 27, 2021.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by June 27, 2023.
- 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
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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.