Microinstruction sequencer
CA 2030404 A1 · Owner: Harris, Richard · Inventors: Harris, Richard; Rahman, Mizanur M.; Horst, Robert W.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
First and second banks of control stores are used to store microinstructions. Each tank contains three control stores: A horizontal control store a vertical, control store, and a jump control store. The horizontal control store contains the rank four microcode; the vertical control store contains the rank three microcode; and the jump control store contains the same microcode as the vertical control store but is used on conditional jump microoperations. In one embodiment of the invention the, contents of the vertical control store are logically offset from their original address by 1 whereas the contents of the horizontal control store and the jump control store are aligned with their …
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 21, 1990. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended November 21, 2010.
- A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by November 21, 2012.
- 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.