Sensing device with inductive charging
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United States of America Patent
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Jul 19, 2011
Grant Date -
Jan 27, 2005
app pub date -
Aug 17, 2004
filing date -
May 25, 1999
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A sensing device for sensing coded data disposed on or in a surface includes operative circuitry including sensing means for sensing the coded data. Processing means are provided for processing the sensed coded data. An internal power supply supplies electrical power to the operative circuitry. A first inductor is connected, or connectable, to the internal power supply to enable charging thereof while the first inductor is electromagnetically coupled with an external electromagnetic field generator.
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