Character recognition apparatus
CA 1293808 C · Owner: Nishijima, Yasuo · Inventors: Nishijima, Yasuo; Kaneko, Ichiro
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A character recognition apparatus for recognizing an input pattern among a plurality of character categories comprises a dictionary memory for storing dictionary patterns, the dictionary patterns being grouped in accordance with the character categories, an address memory for storing start addresses of respective dictionary patterns for each group, and a comparator for comparing the input pattern with the standard pattern, A counter is provided for counting a mismatch degree between the input pattern and the standard pattern. An interruption circuit interrupts a mismatch degree counting process at a time point when the mismatch degree exceeds a threshold and reading a start address of the …
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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 31, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended December 31, 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
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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.