Information processing apparatus and information processing method
CA 2233391 A1 · Owner: Sony Computer Entertainment Inc. · Inventors: Suzuoki, Masakazu
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
In an information processing apparatus priorities, are assigned to a plurality of central processing units (CPUs) and the CPUs transfer their respective display lists of drawing instructions to a drawing unit on a priority basis. With such a scheme, when a master CPU (Geometry Subsystem 0) is creating a display list (List #0-1) and a drawing unit (a rendering system) is in an idle state a, right to make an access to the drawing unit is handed over to a slave CPU (Geometry Subsystem 1), enabling the slave CPU to supply a display list (List 1-1) created thereby if, any, to the drawing unit. Receiving the display list (List #1-1), the drawing unit starts drawing processing in accordance with …
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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 March 26, 1998. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended March 26, 2018.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by March 26, 2020.
- 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.