18326658. MAGNETIC CURRENT SENSOR CALIBRATION simplified abstract (TEXAS INSTRUMENTS INCORPORATED)

MAGNETIC CURRENT SENSOR CALIBRATION

Organization Name

TEXAS INSTRUMENTS INCORPORATED

Inventor(s)

Lei Ding of Plano TX (US)

Elie Libbos of Champaign IL (US)

Srinath Ramaswamy of Murphy TX (US)

MAGNETIC CURRENT SENSOR CALIBRATION - A simplified explanation of the abstract

This abstract first appeared for US patent application 18326658 titled 'MAGNETIC CURRENT SENSOR CALIBRATION

Simplified Explanation

The patent application describes a calibration method involving receiving a sensor signal from a sensor near a first conductor, which measures a magnetic field based on currents flowing in the first and second conductors. The method determines reference values of the currents and calculates coupling coefficients representing magnetic field coupling between the conductors.

• The method involves receiving a sensor signal from a sensor near a first conductor.
• The sensor signal represents a measurement of a magnetic field produced by currents flowing in the first and second conductors.
• The method determines reference values of the currents flowing in the conductors.
• Based on the sensor signal and reference values, the method calculates coupling coefficients representing magnetic field coupling between the conductors.

1. 1. 1. Potential Applications

This technology could be applied in magnetic field sensing systems, electromagnetic compatibility testing, and current measurement devices.

1. 1. 1. Problems Solved

This technology solves the problem of accurately calibrating sensors that measure magnetic fields produced by currents flowing in multiple conductors.

1. 1. 1. Benefits

The benefits of this technology include improved accuracy in magnetic field measurements, enhanced calibration processes for sensors, and better understanding of magnetic field coupling between conductors.

1. 1. 1. Potential Commercial Applications

Potential commercial applications of this technology include sensor calibration services, magnetic field measurement equipment, and electromagnetic compatibility testing devices.

1. 1. 1. Possible Prior Art

One possible prior art could be a similar patent application for a calibration method for sensors measuring magnetic fields in the presence of multiple current-carrying conductors.

1. 1. 1. 1. Unanswered Questions
         2. How does this calibration method compare to existing techniques in terms of accuracy and efficiency?

This article does not provide a direct comparison with existing calibration techniques, leaving the reader to wonder about the advantages and limitations of this method in comparison to others.

1. 1. 1. 1. What specific industries or fields could benefit the most from implementing this calibration technology?

The article does not delve into specific industries or fields where this calibration technology could have the most significant impact, leaving the reader curious about the potential applications in various sectors.

Original Abstract Submitted

In one example, a calibration method includes receiving, from a sensor proximate a first conductor, a sensor signal representing a measurement of a magnetic field produced based on a first current flowing in the first conductor and a second current flowing in a second conductor, the first current including first and second current components having different frequencies, and the second current including third and fourth current components, the third current component phase shifted from, and having the same frequency as, the first current component and the fourth current component having a different frequency from the third current component, determining reference values of the first and second currents, and based on the sensor signal and the reference values of the first and second currents, determining for the sensor, a plurality of coupling coefficients representing magnetic field coupling between the first and second conductors.