Interrogator and interrogation system employing the same
First Claim
1. An interrogation system, comprising:
- a sensing subsystem configured to provide a signal having a signature representing a presence of a radio frequency identification (RFID) object;
a control and processing subsystem configured to discern a presence of said RFID object from said signal; and
a position sensor configured to provide a location of said RFID object.
3 Assignments
0 Petitions
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.
136 Citations
20 Claims
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1. An interrogation system, comprising:
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a sensing subsystem configured to provide a signal having a signature representing a presence of a radio frequency identification (RFID) object;
a control and processing subsystem configured to discern a presence of said RFID object from said signal; and
a position sensor configured to provide a location of said RFID 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 interrogation system, comprising:
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providing a signal having a signature representing a presence of a radio frequency identification (RFID) object;
discerning a presence of said RFID object from said signal; and
providing a location of said RFID object with a position sensor. - View Dependent Claims (17, 18, 19, 20)
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Specification