RFID Device Using Single Antenna For Multiple Resonant Frequency Ranges
First Claim
Patent Images
1. A radio frequency identification (RFID) system comprising:
- an RFID interrogator having an interrogator antenna configured to operate within multiple frequency ranges; and
an RFID device having an RFID circuit and a device antenna coupled to the RFID circuit, the device antenna configured to operate within multiple frequency ranges matching at least those of the interrogator antenna, to communicate with the RFID interrogator according to respective protocols associated with each respective frequency range.
9 Assignments
0 Petitions
Accused Products
Abstract
An RFID device utilizing a single antenna for multiple resonant frequency ranges. RFID device that can include an RFID circuit, and a single antenna coupled to the RFID circuit. The antenna can be configured to operate within multiple frequency ranges for communicating with at least one RFID interrogator according to respective protocols associated with each respective frequency range.
-
Citations
30 Claims
-
1. A radio frequency identification (RFID) system comprising:
-
an RFID interrogator having an interrogator antenna configured to operate within multiple frequency ranges; and an RFID device having an RFID circuit and a device antenna coupled to the RFID circuit, the device antenna configured to operate within multiple frequency ranges matching at least those of the interrogator antenna, to communicate with the RFID interrogator according to respective protocols associated with each respective frequency range. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
-
-
15. A radio frequency identification (RFID) device comprising:
-
an RFID circuit; and an antenna coupled to the RFID circuit, the antenna configured to operate within multiple frequency ranges for communicating with at least one RFID interrogator according to respective protocols associated with each respective frequency range. - View Dependent Claims (16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26)
-
-
27. A method comprising:
-
receiving radio frequency (RF) signals having different frequency ranges on an antenna coupled to a radio frequency identification (RFID) device and tuned to the different frequency ranges; selecting protocols, each protocol associated with only one of the frequency ranges of the received signals; and processing the received signals according to the protocols associated with the frequency ranges. - View Dependent Claims (28, 29, 30)
-
Specification