DOMINANT H-FIELD MULTIBAND LOOP ANTENNA INCLUDING PASSIVE MIXER
First Claim
Patent Images
1. An antenna comprising:
- a plurality of loop antennas sharing a common gap; and
a nonlinear mixing component connected to the gap and configured to collect energy from at least one of the plurality of loop antennas.
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Abstract
An antenna. The antenna includes a plurality of loop antennas sharing a common gap. The antenna also includes a nonlinear mixing component connected to the gap and configured to collect energy from at least one of the plurality of loop antennas.
4 Citations
20 Claims
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1. An antenna comprising:
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a plurality of loop antennas sharing a common gap; and a nonlinear mixing component connected to the gap and configured to collect energy from at least one of the plurality of loop antennas. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. An antenna comprising:
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a substrate; a first loop antenna attached to the substrate, the first loop antenna having a first perimeter; a second loop antenna attached to the substrate, the second loop antenna having a second perimeter, the second perimeter connected to the first perimeter, the second loop antenna substantially inside the first loop antenna; a third loop antenna attached to the substrate, the third loop antenna having a third perimeter, the third perimeter connected to the first perimeter at about a junction where the first perimeter is connected to the second perimeter, the third loop antenna substantially outside the first loop antenna; and a mixing component attached to the substrate, at the junction. - View Dependent Claims (9, 10, 11, 12, 13, 14, 15, 16, 17, 18)
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19. A detection system comprising:
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a plurality of objects, each of the plurality of objects comprising a corresponding antenna, and wherein each corresponding antenna comprises; a corresponding plurality of loop antennas sharing a corresponding common gap; and a corresponding nonlinear mixing component connected to the common gap and configured to collect energy from at least one of the corresponding plurality of loop antennas; a transmitter transmitting a signal, wherein when the signal is received at a particular set of the corresponding plurality of loop antennas, a unique mixed product signal is generated based on a specific design of the particular set of the corresponding plurality of loop antennas; a receiver configured to receive the unique mixed product signal; a computer configured to identify the unique mixed product signal as belonging to a specific one of the plurality of objects; and an alert system connected to the computer and configured to alert a user when the unique mixed product signal has been received. - View Dependent Claims (20)
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Specification