Three-dimensional image reproduction
CA 1332633 C · Owner: National Research Council Of Canada · Inventors: Rioux, Marc
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Abstract, In three dimensional image reproduction data on the shape and true texture of a surface of an object is generated by observing the surface in a direction Z to measure X, Y, Z and MR coordinates of a number of distributed points on the surface, X, Y and Z being mutually perpendicular directions, and MR being the measured reflectance of each point. To compensate for the fact that the values for MR do not truly reflect the inherent reflectance IR of each surface point the MR, coordinates are modified to generate corresponding IR coordinates by dividing each MR coordinate by cos a where, a is the angle of slope of the point relative to the direction Z. The angle a can be determined …
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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
- Granted October 18, 1994. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 18, 2011.
- 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.