System and method for real-time co-rendering of multiple attributes
CA 2933764 C · Owner: Landmark Graphics Corporation · Inventors: Chuter, Christopher John
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A method for bump mapping is disclosed. First and second attributes arc selected from , multiple attributes for the creation of a tangent space normal map such , creation using normal , map vertices and the vertices of at least one of the first and second attributes used to calculate the , normal map. At least one diffuse lighting component and an ambient lighting component for the , tangent space map and the at least one first and second attributes is calculated, and combined , with a specular lighting component using a graphics card to form an enhanced , image displayed to a user.
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 July 26, 2004 and granted April 16, 2019. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended July 26, 2024.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by July 26, 2026.
- 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.