Method and apparatus for n-to-m encoding
CA 1193016 A · Owner: Sony Corporation · Inventors: Shirota, Norihisa; Abe, Takao
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
METHOD AND APPARATUS FOR n-TO-m BIT ENCODING ABSTRACT OF THE DISCLOSURE, A method and apparatus are provided for encoding successive n-bit information words into successive m-bit code words wherein m > n. Each n-bit information word is assigned with a respective set of m-bit code words. Each set of code words is comprised of either two or four words. The words in each two-word set have zero disparity and, their first bits are of opposite logical sets. In the four-word sets, two words have positive disparity and their first bits are of opposite logical sense and the other two, words have negative disparity and their first bits also are of opposite logical sense. The particular m-bit code …
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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 3, 1985. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended September 3, 2002.
- 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.