Sensor probe and methods of assembling same
First Claim
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1. A method of assembling a sensor probe for use in a sensor assembly, comprising:
- providing an emitter configured to generate at least one forward propagating electromagnetic field from at least one microwave signal and to generate at least one backward propagating electromagnetic field;
coupling a data conduit to the emitter;
providing a ground conductor that extends substantially circumferentially about the data conduit, wherein the ground conductor is spaced a distance from the emitter; and
controlling the distance between the ground conductor and the emitter to be substantially equal to a quarter wavelength of a reflection of the at least one microwave signal to reduce electromagnetic radiation within the sensor assembly.
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Abstract
A method of assembling a sensor probe for use in a sensor assembly is provided. The method includes providing an emitter configured to generate at least one forward propagating electromagnetic field from at least one microwave signal and to generate at least one backward propagating electromagnetic field. A data conduit is coupled to the emitter. Moreover, a ground conductor is extended substantially circumferentially about the data conduit. The ground conductor is configured to substantially reduce electromagnetic radiation within the sensor assembly.
11 Citations
20 Claims
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1. A method of assembling a sensor probe for use in a sensor assembly, comprising:
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providing an emitter configured to generate at least one forward propagating electromagnetic field from at least one microwave signal and to generate at least one backward propagating electromagnetic field; coupling a data conduit to the emitter; providing a ground conductor that extends substantially circumferentially about the data conduit, wherein the ground conductor is spaced a distance from the emitter; and controlling the distance between the ground conductor and the emitter to be substantially equal to a quarter wavelength of a reflection of the at least one microwave signal to reduce electromagnetic radiation within the sensor assembly. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A sensor probe for use in a sensor assembly, comprising:
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an emitter configured to generate at least one forward propagating electromagnetic field from at least one microwave signal and to generate at least one backward propagating electromagnetic field; a data conduit coupled to the emitter; and a ground conductor extending substantially circumferentially about the data conduit, wherein the ground conductor is spaced a distance from the emitter, the distance is substantially equal to a quarter wavelength of a reflection of the at least one microwave signal, and the ground conductor is configured to reduce electromagnetic radiation within the sensor assembly based at least in part on the distance. - View Dependent Claims (9, 10, 11, 12, 13, 14, 15)
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16. A sensor assembly comprising:
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at least one sensor probe comprising; an emitter configured to generate at least one forward propagating electromagnetic field from at least one microwave signal and to generate at least one backward propagating electromagnetic field; a data conduit coupled to the emitter; a ground conductor extending substantially circumferentially about the data conduit, the ground conductor configured to reduce electromagnetic radiation within the sensor assembly; a probe housing comprising; an outer sleeve positioned about the ground conductor; and an inner sleeve disposed radially between the outer sleeve and the data conduit, and disposed axially between the emitter and the ground conductor, wherein the inner sleeve is configured to electromagnetically isolate the emitter from the outer sleeve; and a signal processing device coupled to the at least one sensor probe, the signal processing device configured to generate a proximity measurement based on a loading induced to the emitter. - View Dependent Claims (17, 18, 19, 20)
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Specification