Multiprocessor system including firmware
CA 1202425 A · Owner: Fujitsu Limited · Inventors: Matsumoto, Toshio; Kato, Motokazu
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A multiprocessor system including firmware which, system is comprised of at least a plurality of central processing units and a main memory to be commonly occupied by all the central processing units. The main memory is composed of an operating system area and a firmware area. The firmware area is divided into a common firmware area utilized by all the central processing units and a plurality of independent prefix areas allotted to the central processing units. Each prefix area is operative as an interface port for a, central processing unit, between the operating system area and the common firmware area.
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
- Granted March 25, 1986. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 25, 2003.
- 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.