High speed relational data base processor
CA 1306544 C · Owner: Wimer, Ted L. · Inventors: Jopson, Charles; Wimer, Ted L.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
The present invention is a data base information engine subsystem which examines data on the fly as it is retrieved from a mass storage device (i.e. disk), and before storing it in memory to, select only the specified elements of data required by the host computer according to criteria set forth by the host computer. A page mapper circuit separates the host command processing from the data access processing for the command. The instruction set used by the information engine subsystem contains optimizing algorithms to parse and reorder the required operation to be most efficient (with respect to time). The information engine subsystem also contains a high speed processor which is a special …
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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
- Granted August 18, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended August 18, 2009.
- 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.