Compact repeaters for wireless sensing
First Claim
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1. A repeater for wireless sensing, the repeater comprising:
- a base substrate;
a front substrate orthogonal to the base substrate;
a rear substrate orthogonal to the base substrate;
a receive antenna formed on the front substrate configured to receive an interrogation signal transmitted by another device;
a bias network configured to connect the repeater to a sensor and modulate the interrogation signal based upon a parameter sensed by the sensor;
a frequency multiplier formed on the base substrate, the frequency multiplier being in communication with the receive antenna and configured to multiply the frequency of the interrogation signal by a multiplication factor; and
a transmit antenna formed on the rear substrate, the transmit antenna being in communication with the frequency multiplier and configured to retransmit the modulated interrogation signal at a multiplied frequency.
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Abstract
In one embodiment, a repeater for wireless sensing includes a base substrate, a front substrate, a rear substrate, a receive antenna formed on the front substrate, a transmit antenna formed on the rear substrate, and a frequency multiplier formed on the base substrate between the antennas.
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Citations
20 Claims
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1. A repeater for wireless sensing, the repeater comprising:
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a base substrate; a front substrate orthogonal to the base substrate; a rear substrate orthogonal to the base substrate; a receive antenna formed on the front substrate configured to receive an interrogation signal transmitted by another device; a bias network configured to connect the repeater to a sensor and modulate the interrogation signal based upon a parameter sensed by the sensor; a frequency multiplier formed on the base substrate, the frequency multiplier being in communication with the receive antenna and configured to multiply the frequency of the interrogation signal by a multiplication factor; and a transmit antenna formed on the rear substrate, the transmit antenna being in communication with the frequency multiplier and configured to retransmit the modulated interrogation signal at a multiplied frequency. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16)
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17. A repeater for wireless sensing, the repeater comprising:
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a base substrate; a front substrate that is orthogonal to the base substrate; first and second lateral substrates that are orthogonal to the front substrate; a rear substrate that is orthogonal to the base substrate; a receive antenna including a first antenna element and a second element, the first antenna element including a vertical portion formed on an inner side of the front substrate and a dipole arm that extends laterally outward from the vertical portion across the inner side and onto the first lateral substrate, the second antenna element including a vertical portion formed on an outer side of the front substrate and a dipole arm that extends laterally outward from the vertical portion across the outer side and onto the second lateral substrate; a transmit antenna including a first antenna element and a second element, the first antenna element including a vertical portion formed on an inner side of the rear substrate and a dipole arm that extends laterally outward from the vertical portion across the inner side, the second antenna element including a vertical portion formed on an outer side of the rear substrate and a dipole arm that extends laterally outward from the vertical portion across the outer side; a frequency multiplier provided on the base substrate; a first feeding network formed on the base substrate that connects the first antenna element of the receive antenna to the frequency multiplier; and a second feeding network formed on the base substrate that connects the first antenna element of the transmit antenna to the frequency multiplier. - View Dependent Claims (18, 19, 20)
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Specification