Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Raimo Korhonen0
Antti Kemppainen0
Esko Strömmer0
Heikki Huomo0
Date of Patent
February 17, 2009
Patent Application Number
11024035
Date Filed
December 29, 2004
Patent Primary Examiner
Patent abstract
A method for reading a code, which code comprises code elements and the first part of the code elements is substantially conductive and the conductivity of the second part is substantially different from that of the first part, in which method the reader couples to the code in a capacitive manner, in which case the signal level of the signal formed by the reader varies according to the conductivity of the code element, and a correction factor is determined of at least one code element for correcting the signal. In addition, the invention relates to a code reader and electric ink.
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