Mixed code, and method and apparatus for generating the same, and method and apparatus for decoding the same
CA 2586274 C · Owner: Kim, Jae-Yun · Inventors: Kim, Jong-Young; Jeong, Seong-Hun; Choi, Han-Yeong
Overview
Its claims, description and drawings are in the Canadian Patents Database.
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A mixed code, and a method and apparatus for encoding the same are provided. The mixed code includes a first code image region storing a first code image obtained by encoding first information using color shading, or a combination , thereof, and a second code image region storing a second code image obtained by encoding second information using color shading, or a combination thereof. , The first code image and/or the second code image includes the results of encoding interpretation information, construction information error control , information, and code direction information. The mixed code is made by adjusting the difference in color and brightness between the first and second …
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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
- Filed November 3, 2005 and granted July 17, 2012. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended November 3, 2025.
- Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
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