Data processing system capable of storing firmware data in control memories of an input-output processor with reduced hardware
CA 1324838 C · Owner: Oyadomari, Hajime · Inventors: Fukuta, Toru; Oyadomari, Hajime
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
27, Abstract of the Disclosure:, In a data processing system having a data path (30) between a memory device (11) and input-output devices (12), and a holding device (18) for holding first through N-th firmware data, where N represents an integer greater than one, an input-output processor (13) comprises first through N-th control memory layers of control memories (31, 32, 33) and a data controller (34) connected to the holding device. Responsive to a firmware load instruction (23), the data controller reads the first through the N-th firmware data from the holding device as first through N-th read-out data. The holding device makes the memory device memorize the first through the N-th …
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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 November 30, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 30, 2010.
- 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
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Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.