Method and apparatus for processing an image signal
CA 1291822 C · Owner: Funabashi, Takeshi · Inventors: Doi, Tetsuo; Funabashi, Takeshi
Overview
Its claims, description and drawings are in the Canadian Patents Database.
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An apparatus and method embodied therein for, processing image data wherein the apparatus comprises: a data input/output circuit for receiving and outputting binary image data and compressed code data; an encoding circuit including (i) a first detecting circuit for detecting transition points where the value of an input binary image data changes from one to another (ii) an, up-counter for generating addresses of the transition points, and (iii) a second detecting circuit for detecting if the value of the input binary image data does not change during a predetermined period so as to control the up-counter so as to count up faster than at a normal speed. The input image data is encoded into …
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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 November 5, 1991. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended November 5, 2008.
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Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.