Generator for error correcting code and decoder for the code
CA 1264091 C · Owner: Sony Corporation · Inventors: Yamamura, Shinichi; Sako, Yoichiro
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A rectangular array is formed by a predetermined amount of data and an error detecting code that detects a possible error contained in the data. Each error correcting code is formed from data in each of the row and column directions of the rectangular array and is added to the rectangular array to thereby provide a product code. When the product code is arranged row, data in each of the row directions of the rectangular array is supplied to an error correcting code generator which generates the error correcting codes in sequence. At the same time the respective data is supplied, sequentially to the error detecting code generator and thereby a unique error detecting code is generated. When …
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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 December 27, 1989. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended December 27, 2006.
- 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.