Code reader
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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Feb 17, 2009
Grant Date -
Jun 29, 2006
app pub date -
Dec 29, 2004
filing date -
Dec 29, 2004
priority date (Note) -
Expired
status (Latency Note)
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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.
First Claim
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International Classification(s)
Cited Art Landscape
Patent Citation Ranking
- 1 Citation Count
- G06K Class
- 1.29 % this patent is cited more than
- 16 Age
