Patent classifications
G
PHYSICS
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G06
COMPUTING OR CALCULATING; COUNTING
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G06K
GRAPHICAL DATA READING; PRESENTATION OF DATA; RECORD CARRIERS; HANDLING RECORD CARRIERS
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7/00
Methods or arrangements for sensing record carriers,; e.g. for reading patterns;
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G06K7/10
by electromagnetic radiation, e.g. optical sensing; by corpuscular radiation
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G06K7/10009
sensing by radiation using wavelengths larger than 0.1 mm, e.g. radio-waves or microwaves
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G06K7/10118
the sensing being preceded by at least one preliminary step
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G06K7/10138
the step consisting of determining the type of record carrier, e.g. to determine if the record carrier is an RFID tag of the long or short range type, or to determine the preferred communication protocol of the RFID tag
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