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Expired Canadian patentCanada

Image processing system

CA 1266524 C · Owner: Arimoto, Shinobu · Inventors: Arimoto, Shinobu

CIPO record

Overview

Drawings and full text

Its claims, description and drawings are in the Canadian Patents Database.

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Abstract From the Canadian patent

An image processing system has a computer bus line to which a communication controller or the like is connected, an image reader, an RP adapter including a data compressor unit, a serial-to-parallel converter, a data restoration unit and a parallel-toserial converter, and a CPU and a controller for selecting the data from the image reader or the communication controller. While no image data is transferred on the bus line, data transfer from the communication controller or the like via the bus can be performed.

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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 6, 1990. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 6, 2007.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledAugust 29, 1984
GrantedMarch 6, 1990
Term endedMarch 6, 2007
Patent numberCA 1266524 C
Classification (IPC)H04N1/41 +2 more

Timeline

Timeline From CIPO dates

19851988199119941997200020032006Application filedAug 29, 1984Patent grantedMarch 6, 1990Term endedMarch 6, 2007

Sources & verification

Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.