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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19/00
Record carriers for use with machines and with at least a part designed to carry digital markings
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G06K19/06
characterised by the kind of the digital marking, e.g. shape, nature, code
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G06K19/067
Record carriers with conductive marks, printed circuits or semiconductor circuit elements, e.g. credit or identity cards; also with resonating or responding marks without active components
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G06K19/07
with integrated circuit chips
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G06K19/0701
at least one of the integrated circuit chips comprising an arrangement for power management
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G06K19/0707
the arrangement being capable of collecting energy from external energy sources, e.g. thermocouples, vibration, electromagnetic radiation
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G06K19/0708
the source being electromagnetic or magnetic
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G06K19/071
the source being a field other than an interrogation field, e.g. WLAN, cellular phone network
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