Method and apparatus for providing scaling of a display
CA 2370356 A1 · Owner: Palm, Inc. · Inventors: Lemke, Steven C.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A method of providing a zoom feature for a handheld computer is described. The method uses a combination of software and hardware to provide the display zoom without using significant processor resources or adding dedicated zooming , hardware to the display. The method includes storing the image for the display in a memory and using the processor and the memory controller to store the image so that when it is retrieved by the display controller for transfer to , the display circuit, it is already zoomed in a fist direction. The method also includes using a pixel replication circuit to provide the replication of pixels in the other direction. The pixel replication cicuit takes a row of …
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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 May 3, 2000. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended May 3, 2020.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by May 3, 2022.
- 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.