Patent Yard Sign in
Canadian application, no grantCanada

Method and system for thresholding and configuring a multi-channel image processing system

CA 2063650 A1 · Owner: Ncr Corporation · Inventors: Pope, Charles K.

CIPO record

Overview

Drawings and full text

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

Open the CIPO record

Abstract From the Canadian patent

A system and method for processing image data from a document and for producing a compressed binarized version of the image data for transmission to or use by subsequent users. Processing of the image data is done in parallel after the scanning of the document is started but before the entire document is scanned. A splitter is used to divide a scan line of image data produced by an imager at the scan line into a plurality of channels, with each channel having at least one overlap area of pixels and with the overlap areas of pixels being used to avoid errors between channels. Thresholding and compression are performed by each one of the channels in parallel. The compression is performed in a …

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

  • Filed March 20, 1992. No grant is recorded for it in Canada; had it been granted, its 20-year term would have ended March 20, 2012.
  • A certificate of supplementary protection adds at most two years for a drug, so even that would have ended by March 20, 2014.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledMarch 20, 1992
GrantedNo grant recorded
Term endedMarch 20, 2012
Patent numberCA 2063650 A1
Classification (IPC)G06K9/36 +2 more

Timeline

Timeline From CIPO dates

1993199519971999200120032005200720092011Application filedMarch 20, 1992Term endedMarch 20, 2012

Sources & verification

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