Pattern recognition system
CA 1297982 C · Owner: Research Development Corporation Of Japan · Inventors: Yamaguchi, Yoko; Shimizu, Hiroshi
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A pattern recognition system comprises a preprocessing unit receiving a give pattern for converting the given pattern into a two-dimensional bit pattern. There is provided a first cell block having a plurality of layers each of which is composed of a plurality of nonlinear oscillators arranged in a two-dimensional matrix. The nonlinear oscillators in each of the layers are coupled so as to be excited by a corresponding bit of the bit pattern and are coupled to adjacent nonlinear oscillators in the same layer so as to mutually emphasize the oscillation in a predetermined direction different from those predetermined for the other layers, so that in each of the layers there, are selectively …
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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 March 24, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 24, 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.