Systems and methods using single antenna for multiple resonant frequency ranges
First Claim
Patent Images
1. A system, comprising:
- a radio frequency device having;
a memory storing at least one identification number of the device;
an antenna system having a first resonant frequency and a second resonant frequency;
a transceiver coupled to the antenna system to receive signals transmitted in the first frequency and signals transmitted in the second frequency; and
a processor coupled with the memory and the transceiver to provide the identification number of the device; and
a first communication apparatus configured to interrogate the radio frequency device using the first frequency; and
a second communication apparatus, separate from the first communication apparatus, configured to interrogate the radio frequency device using the second frequency concurrently with the first communication apparatus interrogating the radio frequency device using the first frequency;
wherein the first communication apparatus interrogates the radio frequency device using a first communication protocol; and
the second communication apparatus interrogates the radio frequency device using a second communication protocol different from the first communication protocol.
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Abstract
A radio frequency device utilizing an antenna having a single antenna structure resonant on multiple resonant frequency ranges. The antenna can be configured to operate within multiple frequency ranges for communication according to respective protocols associated with the respective frequency ranges.
130 Citations
18 Claims
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1. A system, comprising:
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a radio frequency device having; a memory storing at least one identification number of the device; an antenna system having a first resonant frequency and a second resonant frequency; a transceiver coupled to the antenna system to receive signals transmitted in the first frequency and signals transmitted in the second frequency; and a processor coupled with the memory and the transceiver to provide the identification number of the device; and a first communication apparatus configured to interrogate the radio frequency device using the first frequency; and a second communication apparatus, separate from the first communication apparatus, configured to interrogate the radio frequency device using the second frequency concurrently with the first communication apparatus interrogating the radio frequency device using the first frequency; wherein the first communication apparatus interrogates the radio frequency device using a first communication protocol; and
the second communication apparatus interrogates the radio frequency device using a second communication protocol different from the first communication protocol. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A radio frequency device, comprising:
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a memory storing at least one identification number of the device; an antenna system having a first resonant frequency and a second resonant frequency; a transceiver coupled to the antenna system to receive signals transmitted in the first frequency and signals transmitted in the second frequency; and a processor coupled with the memory and the transceiver to provide the identification number of the device; wherein the radio frequency device provides a first function by being interrogated by a first communication apparatus using the first frequency; and wherein the radio frequency device provides a second function, different from the first function, by being interrogated by a second communication apparatus, separate from the first communication apparatus, using the second frequency concurrently with the first communication apparatus interrogating the radio frequency device using the first frequency; wherein the first communication apparatus interrogates the radio frequency device using a first communication protocol; and
the second communication apparatus interrogates the radio frequency device using a second communication protocol different from the first communication protocol. - View Dependent Claims (10, 11, 12, 13, 14, 15, 16, 18)
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17. A method, comprising:
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providing a radio frequency device having; a memory storing at least one identification number of the device; an antenna system having a first resonant frequency and a second resonant frequency; a transceiver coupled to the antenna system to receive signals transmitted in the first frequency and signals transmitted in the second frequency; and a processor coupled with the memory and the transceiver to provide the identification number of the device; interrogating the radio frequency device, by a first communication apparatus using the first frequency and using a first communication protocol; and interrogating the radio frequency device, by a second communication apparatus, separate from the first communication apparatus, using the second frequency and using a second communication protocol different from the first communication protocol, concurrently with the first communication apparatus interrogating the radio frequency device using the first frequency.
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Specification