Electronic label interrogation through incidental electromagnetic radiation
First Claim
Patent Images
1. A system for electromagnetically interrogating electronically coded labels including:
- at least one electromagnetically interrogatable electronic coded label; and
an interrogator containing a generator of electromagnetic interrogation signals and a receiver of electromagnetic reply signals from said label;
wherein said system is adapted to make use of electromagnetic signals, other than those generated by said interrogator, which reach said label.
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Abstract
A system for electromagnetically interrogating electronically coded labels is provided. The system includes at least one electromagnetically interrogatable electronic coded label, an interrogator containing a generator of electromagnetic interrogation signals and a receiver of electromagnetic reply signals from the label. The system is adapted to make use of electromagnetic signals, other than those generated by the interrogator, which may reach the label.
21 Citations
43 Claims
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1. A system for electromagnetically interrogating electronically coded labels including:
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at least one electromagnetically interrogatable electronic coded label; and
an interrogator containing a generator of electromagnetic interrogation signals and a receiver of electromagnetic reply signals from said label;
wherein said system is adapted to make use of electromagnetic signals, other than those generated by said interrogator, which reach said label. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43)
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22. A system for electromagnetically interrogating electronically coded labels substantially as herein described with reference to the accompanying drawings.
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23. A system for electromagnetically interrogating electronically coded labels including:
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at least one electromagnetically interrogatable electronic coded label; and
an interrogator containing a generator of electromagnetic interrogation signals and a receiver of electromagnetic reply signals from said label;
wherein said system is adapted to make use of electromagnetic signals, other than those generated by said interrogator, which reach said label.
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Specification