Surface identification system and method, object having an identification code pattern, and code reading apparatus for reading the object
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United States of America Patent
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Nov 25, 2014
Grant Date -
Sep 20, 2012
app pub date -
Mar 14, 2011
filing date -
Mar 14, 2011
priority date (Note) -
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Abstract
The present invention provides A surface identification system comprising: at least one identification code pattern comprising a plurality of recesses, through holes and/or projections formed on an code area of a first surface, the identification code pattern being made to correspond to the first surface or a second surface; and a code reading apparatus for reading the identification code pattern, the code reading apparatus being capable of irradiating light rays towards the code area, receiving reflected light rays reflected from the code area to read out the identification code pattern according to an amount of the reflected light rays from each of the plurality of recesses, through holes and/or projections, and indicating a correspondence between the identification code pattern and the first surface or the second surface. The invention also relates to a surface identification method, an object having an identification code pattern and a code reading apparatus for reading the object.
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