Non-invasive analyte sensor device
A non-invasive analyte sensor includes at least one transmit antenna and at least one receive antenna. A transmit circuit is electrically connectable to the at least one transmit antenna, where the transmit circuit is configured to generate a transmit signal in a radio or microwave frequency range of the electromagnetic spectrum. A receive circuit is electrically connectable to the at least one receive antenna. A trigger mechanism is associated with the non-invasive analyte sensor that triggers an analyte reading by the non-invasive analyte sensor.
1 . A non-invasive analyte sensor, comprising:
at least one transmit antenna that is positioned and arranged to transmit a transmit signal into a target containing at least one analyte, the at least one transmit antenna comprising a strip of conductive material with parallel sides;
at least one receive antenna that is positioned and arranged to detect a response resulting from transmission of the transmit signal by the at least one transmit antenna into the target containing the at least one analyte, the at least one receive antenna comprising a strip of conductive material with parallel sides;
a transmit circuit that is electrically connectable to the at least one transmit antenna, the transmit circuit is configured to generate the transmit signal transmitted by the at least one transmit antenna, the transmit signal is in a radio or microwave frequency range of the electromagnetic spectrum;
a receive circuit that is electrically connectable to the at least one receive antenna, the receive circuit is configured to receive the response detected by the at least one receive antenna; and
a trigger mechanism associated with the non-invasive analyte sensor that triggers an analyte reading by the non-invasive analyte sensor, the analyte reading comprises transmitting the transmit signal by the at least one transmit antenna and detecting the response by the at least one receive antenna; the trigger mechanism comprises a proximity sensor, a pressure sensor, or a voice trigger, wherein
the at least one transmit antenna and the at least one receive antenna are arranged side-by-side, and the at least one transmit antenna has a first longitudinal axis and the at least one receive antenna has a second longitudinal axis, and the first longitudinal axis is parallel to the second longitudinal axis, and
the at least one transmit antenna has opposite ends that differ in geometry from opposite ends of the at least one receive antenna.
2 . The non-invasive analyte sensor of claim 1 , wherein the at least one analyte comprises glucose, alcohol, white blood cells, hemoglobin, or luteinizing hormone.
3 . The non-invasive analyte sensor of claim 1 , wherein the transmit signal has frequency in a range of between about 300 MHz to about 6000 MHz.
4 . A non-invasive analyte sensor, comprising:
at least one transmit antenna that is positioned and arranged to transmit a transmit signal that is in a radio or microwave frequency range of the electromagnetic spectrum into a target containing at least one analyte, the at least one transmit antenna comprising a strip of conductive material with parallel sides;
at least one receive antenna that is positioned and arranged to detect a response resulting from transmission of the transmit signal by the at least one transmit antenna into the target containing the at least one analyte, the at least one receive antenna comprising a strip of conductive material with parallel sides; and
a trigger means of the non-invasive analyte sensor that triggers an analyte reading by the non-invasive analyte sensor, the analyte reading comprises transmitting the transmit signal by the at least one transmit antenna and detecting the response by the at least one receive antenna; the trigger means comprises a proximity sensor, a pressure sensor, an external signal received by the non-invasive analyte sensor, a voice trigger, or a biological identity determined by the non-invasive analyte sensor, wherein
the at least one transmit antenna and the at least one receive antenna are arranged side-by-side, and the at least one transmit antenna has a first longitudinal axis and the at least one receive antenna has a second longitudinal axis, and the first longitudinal axis is parallel to the second longitudinal axis, and
the at least one transmit antenna has opposite ends that differ in geometry from opposite ends of the at least one receive antenna.
5 . The non-invasive analyte sensor of claim 4 , wherein the at least one analyte comprises glucose, alcohol, white blood cells, hemoglobin, or luteinizing hormone.
6 . The non-invasive analyte sensor of claim 4 , wherein the transmit signal has frequency in a range of between about 300 MHz to about 6000 MHz.