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17956758. FLUXGATE MAGNETIC SENSOR simplified abstract (TEXAS INSTRUMENTS INCORPORATED)

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FLUXGATE MAGNETIC SENSOR

Organization Name

TEXAS INSTRUMENTS INCORPORATED

Inventor(s)

Preetinder Garcha of RICHARDSON TX (US)

Srinath Ramaswamy of MURPHY TX (US)

Viola Schaeffer of Freising (DE)

FLUXGATE MAGNETIC SENSOR - A simplified explanation of the abstract

This abstract first appeared for US patent application 17956758 titled 'FLUXGATE MAGNETIC SENSOR

Simplified Explanation

The patent application describes an apparatus with two coils, a control circuit, and a processing circuit, where the control circuit selects a field strength level and provides a signal representing the selected level, while the processing circuit sets a state representing the polarity of a magnetic field sensed by the second coil.

  • The apparatus comprises a first coil and a second coil that are magnetically coupled to each other.
  • The control circuit selects a field strength level from a set of discrete levels based on a control input and provides a signal representing the selected level.
  • The processing circuit sets a state representing the polarity of a magnetic field sensed by the second coil based on a second signal across its inputs.

Potential Applications

This technology could be applied in:

  • Wireless charging systems
  • Magnetic field sensing devices

Problems Solved

This technology helps in:

  • Efficiently controlling magnetic field strength
  • Accurately sensing magnetic field polarity

Benefits

The benefits of this technology include:

  • Improved performance in wireless charging applications
  • Enhanced accuracy in magnetic field sensing devices

Potential Commercial Applications

A potential commercial application for this technology could be:

  • Advanced wireless charging systems for consumer electronics

Possible Prior Art

One possible prior art for this technology could be:

  • Existing magnetic field sensing devices with limited control over field strength levels

Unanswered Questions

How does the apparatus handle variations in magnetic field strength levels?

The abstract does not specify how the apparatus adjusts to different field strength levels.

What is the range of field strength levels that can be selected by the control circuit?

The abstract does not provide information on the specific range of field strength levels available for selection by the control circuit.


Original Abstract Submitted

In some examples, an apparatus comprises a first coil, a second coil, a control circuit, and a processing circuit. The second coil is magnetically coupled to the first coil. The control circuit has a signal output coupled to the first coil, and a control output, and the control circuit configured to: responsive to a state of the control input, select a field strength level from a set of discrete field strength levels; and provide a first signal representing the selected field strength level at the signal output. Also, the processing circuit has processing inputs and a processing output, the processing inputs coupled to the second coil, the processing output coupled to the control input, and the processing circuit configured to, responsive to a second signal across the processing inputs, set a state of the processing output representing a polarity of a magnetic field sensed by the second coil.

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