Specialized parity detection system for wide memory structure
CA 1281139 C · Owner: Burroughs Corporation · Inventors: Kim, Dongsung R.; Kronies, Reinhard K.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A parity detection scheme for a wide memory structure of RAM memory chips provides an auxiliary RAM parity memory chip to store parity data for each corresponding input line of each memory chip corresponding for each address of each memory chip. This parity data is compared to comparable parity data which is read-out of any corresponding address of each of said memory chips.
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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 March 5, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 5, 2008.
- 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.