Memory system
CA 2090862 A1 · Owner: Hyatt, Gilbert P. · Inventors: Hyatt, Gilbert P.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Memory technologies for storing include RAMS and CCDs. Adaptive memory capability and memory servo capability improve memory characteristics. In a RAM embodiment, a detector (220B 220A) is used , to detect a memory address condition (217) and to control the memory (222) and the memory address register (218) in response thereto. In a CCD embodiment, a detector (220A 220B) is used to, detect a memory reference signal (217) and to refresh the memory signals (221A, 221B, 221) in response thereto. Improved memory refresh, memory performance, and memory capacity enhance system characteristics. Improved memory architecture provides advantages of increased speed, lower cost, and efficiency 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 September 3, 1991. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended September 3, 2011.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by September 3, 2013.
- 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.