Apparatus and method for automatic cpu speed control
CA 2355335 A1 · Owner: Siemens Information And Communication Networks, Inc. · Inventors: Beyda, William J.; Gold, Cheryl; Shaffer, Shmuel
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A CPU speed control system for use in devices having microprocessors or microcontrollers which may also be operated using battery power. The system includes a programmable frequency synthesizer for providing the CPU and other system buses in the device with a variable clocking frequency based on the application or interrupt being executed by the device. The frequency synthesizer output may be dynamically varied according to a particular application or task that is to be executed by the device or based on total CPU usage. The operating system of the device and the CPU are both capable of controlling the frequency synthesizer output to ensure that the CPU is operating at the most …
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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 December 15, 1999. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended December 15, 2019.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by December 15, 2021.
- 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.