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US 12,287,411 B2Granted
Magnetic velocity and position sensors
AssigneeArchaius Inc.
InventorFrederick Vosburgh
Life of this patent
Estimating the term…
Abstract
A system includes at least one sensing unit, the sensing unit including a sensing element. The system includes at least one spatial Lorentz filter coupled to the sensing element. The spatial Lorentz filter (SLF) includes an input coupled to the sensing element and an analog to digital converter (ADC) providing a filtered output signal. The sensing unit is connected to a processor configured for determining velocity or position with respect to a magnetic field and/or a geographic position by processing SLF output signals.
Claims20
A system comprising:
- at least one sensing unit comprising a sensing element and at least one spatial Lorentz filter, wherein the at least one spatial Lorentz filter includes an input and an output, wherein an analog to digital converter (ADC) is connected between the input and the output for providing a digital output signal;
- wherein the at least one sensing unit is connected to a processor configured for determining a velocity or a position with respect to a magnetic field and/or a geographic position by processing the digital output signal;
- and
- wherein the at least one spatial Lorentz filter includes at least two spatial filters, wherein each of the at least two spatial filters is electrically grounded.
1 more element
A method comprising:
- detecting a sensing element signal induced by a spatial force with at least one sensing unit, wherein the at least one sensing unit comprises a sensing element and at least one spatial Lorentz filter connected to the sensing element, wherein the at least one spatial Lorentz filter comprises an input and an output, wherein an analog to digital converter (ADC) is connected between the input and the output;
- providing the sensing element signal to the at least one spatial Lorentz filter;
- modifying the sensing element signal by digital conversion to a digital output signal using the ADC;
- and
- providing the digital output signal to a processor configured to process the digital output signal to determine a velocity or a position with respect to a magnetic field and/or a geographic position, wherein processing the digital output signal comprises normalizing the digital output signal;
- wherein the normalized digital output signal is a normalized velocity signal.
3 more elements
A system comprising:
- at least one sensing unit comprising a sensing element and at least one spatial Lorentz filter, wherein the at least one spatial Lorentz filter includes an input and an output;
- wherein the at least one sensing unit is connected to a processor configured for determining a velocity or a position with respect to a magnetic field and/or a geographic position by processing an output signal of the at least one sensing unit;
- and
- wherein the at least one sensing unit is a current-deflection sensing unit, wherein the sensing element is connected at a first end to a current source and at a second end to a current sink, wherein the at least one spatial Lorentz filter is connected between a first side and a second side of the sensing element for detecting a cross-element potential proportional to a velocity dependent force due to coupling of the magnetic field with the sensing element.
1 more element
Dependencies are inferred from the claim text.