INTERROGATOR AND INTERROGATION SYSTEM EMPLOYING THE SAME
First Claim
1. An interrogator, comprising:
- an antenna configured to receive a signal from an object; and
a control and processing subsystem configured to discern a presence of said object from said signal as said antenna moves with respect to said object.
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Accused Products
Abstract
The present invention is directed to an interrogator, method of discerning metal and radio frequency identification (RFID) objects, and an interrogation system employing the same. In one embodiment, the interrogator includes a metal sensing subsystem configured to provide a first signal having a signature representing a presence of a metal object, and a RFID sensing subsystem configured to provide a second signal having a signature representing a presence of a RFID object. The interrogator also includes a control and processing subsystem configured to discern a presence of at least one of the metal and RFID objects from one of the first and second signals.
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Citations
20 Claims
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1. An interrogator, comprising:
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an antenna configured to receive a signal from an object; and a control and processing subsystem configured to discern a presence of said object from said signal as said antenna moves with respect to said object. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15)
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16. A method of operating an interrogator, comprising:
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receiving a signal from an object at an antenna; and discerning a presence of said object with a control and processing subsystem from said signal as said antenna moves with respect to said object. - View Dependent Claims (17, 18, 19, 20)
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Specification