Sensing device with inductive charging
First Claim
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1. A sensing device for sensing coded data disposed on or in a surface, the sensing device including:
- operative circuitry including sensing means for sensing the coded data and processing means for processing the sensed coded data;
an internal power supply for supplying electrical power to the operative circuitry; and
a first inductor connected, or connectable, to the internal power supply to enable charging thereof whilst the first inductor is electromagnetically coupled with an external electromagnetic field generator.
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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 whilst the first inductor is electromagnetically coupled with an external electromagnetic field generator.
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Citations
7 Claims
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1. A sensing device for sensing coded data disposed on or in a surface, the sensing device including:
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operative circuitry including sensing means for sensing the coded data and processing means for processing the sensed coded data;
an internal power supply for supplying electrical power to the operative circuitry; and
a first inductor connected, or connectable, to the internal power supply to enable charging thereof whilst the first inductor is electromagnetically coupled with an external electromagnetic field generator. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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Specification