Data integrity checking with fault tolerance
CA 1307850 C · Owner: Tandem Computers Incorporated · Inventors: Chan, Wing M.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Fault tolerant apparatus for generating error correcting code and, simultaneous therewith checking, the correctness of the generation for blocks of data, with which the error correcting code is associated and transmitted to a storage medium. The apparatus includes a pair of programmable control devices configured to selectively operate in one of two modes: A first mode in which data being transferred to the storage medium is monitored for generation of an error correcting code to be associated and stored with each data block and a, second mode in which the data being transferred is monitored for detecting errors that may be contained in the data. During data transmissions to the storage …
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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 September 22, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 22, 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.