Combined aligner blender
CA 2102936 C · Owner: Ati Technologies Inc. · Inventors: Leone, Pasquale
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Digital samples of e.g. video data to be displayed on a computer monitor is processed by a video graphics circuit which, has the task of both aligning samples provided by an asynchronous sampler, and blending those samples, which usually suffer a series of the degrading effect as a low pass filter. The present invention describe a circuit that combines a sample aligner and a sample blender into one circuit in which the sample data passes through only one filter, and thus suffers only one low pass effect. In addition, only two multipliers one delay, and one, adder are required instead of double the number as would be required by using the prior art. The total amount of circuitry is thus …
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 November 12, 1993 and granted March 30, 1999. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended November 12, 2013.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by November 12, 2015.
- 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.