Apparatus for detecting and correcting errors in an encoded memory word
CA 1059237 A · Owner: International Business Machines Corporation · Inventors: Carter, William C.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Abstract of the Disclosure Apparatus for a digital memory system which performs single and double error detection and correction as well as, the detection of faults in the memory storage elements which do not produce errors in the data word stored therein. The data word is in encoded in a specialized Hamming SEC/DED code and the apparatus generates syndromes and byte parity bits which are analyzed to detect both the presence and nature of the errors and faults. A parallel correction procedure is followed and the results thereof compared to prevent the erroneous correction of errors.
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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 July 24, 1979. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 24, 1996.
- 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
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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.