Optical character reader
CA 1283211 C · Owner: Fujiwaki, Kazuo · Inventors: Sato, Koji; Fujiwaki, Kazuo; Kurakake, Masahiro
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
An optical character reader having a scanner with a field of vision which can scan an entire line of print without being shifted. A onecharacter pick out circuit is provided to subdivide the binary information yielded by the scanning of an entire line into discrete units which correspond to single characters. The units may then be subjected to recognition processing to complete the reading process.
Read the whole patent
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 April 16, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 16, 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
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.