Magnetic sensing metering device and method
First Claim
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1. A rotation sensing device comprising:
- a magnet;
a magnetic field sensor located in a fixed position relative to the magnet, the magnetic field sensor configured to sense a magnetic field of the magnet; and
a flux conductor configured to alter the magnetic field of the magnet, wherein the flux conductor is mounted to a rotatable element,wherein the magnet is mounted in a fixed position relative to the flux conductor,wherein the magnetic field sensor is configured to generate a signal based on a sensed strength of the magnetic field in accordance with rotation of the flux conductor.
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Abstract
Methods and systems for implementing a rotation sensing device are provided. The rotation sensing device may include a magnet, a magnetic field sensor located in a fixed position relative to the magnet, the magnetic field sensor configured to sense a magnetic field of the magnet, and a flux conductor configured to alter the magnetic field of the magnet, wherein the flux conductor is mounted to a rotatable element. The magnet may be mounted in a fixed position relative to the flux conductor, and the magnetic field sensor may be configured to generate a signal based on a sensed strength of the magnetic field in accordance with rotation of the flux conductor.
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Citations
27 Claims
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1. A rotation sensing device comprising:
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a magnet; a magnetic field sensor located in a fixed position relative to the magnet, the magnetic field sensor configured to sense a magnetic field of the magnet; and a flux conductor configured to alter the magnetic field of the magnet, wherein the flux conductor is mounted to a rotatable element, wherein the magnet is mounted in a fixed position relative to the flux conductor, wherein the magnetic field sensor is configured to generate a signal based on a sensed strength of the magnetic field in accordance with rotation of the flux conductor. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16)
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17. A method for sensing rotation, comprising:
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generating a magnetic field by a magnet disposed at a fixed location; altering the generated magnetic field via a flux conductor mounted to an element that rotates relative to the magnet; sensing, by a magnetic field sensor, a magnetic field strength of the generated magnetic field, wherein the magnetic field sensor is located in a fixed position relative to the magnet; and generating, by the magnetic field sensor, a signal based on the sensed magnetic field strength. - View Dependent Claims (18, 19, 20, 21, 22, 23, 24, 25, 26, 27)
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Specification