Multi-domain detector based on artificial neural network

A method, comprising:

• generating, by a magnetic field sensing module, a plurality of signals, each signal indicating a magnetic flux density of a different component of a magnetic field that is produced by a magnetic field source;
• evaluating a neural network based on the plurality of signals to obtain a plurality of probabilities, each of the plurality of probabilities indicating a likelihood of the magnetic field source being positioned in a different one of a plurality of positional domains, each of the plurality of positional domains corresponding to a different region on a surface of the magnetic field source, such that the field source is positioned in any given one of the plurality of positional domains when the region corresponding to the given positional domain is situated in greater proximity to the magnetic field sensing module than the regions corresponding to the remaining ones of the plurality of positional domains;
• and
• generating an output signal based on the plurality of probabilities, the output signal encoding an identifier of a current positional domain of the magnetic field source, the current positional domain of the magnetic field source being one of the plurality of positional domains where the magnetic field source is currently positioned.

A sensor, comprising:

• a sensing module configured to generate a plurality of signals, each of the signals indicating a magnetic flux density of a different component of a magnetic field that is produced by a magnetic field source;
• and
• a processing circuitry that is configured to:
• receive the plurality of signals;
• and
• generate an output signal based on the plurality of signals, the output signal encoding an identifier of a current positional domain of the magnetic field source, the current positional domain being one of a plurality of positional domains, each of the plurality of positional domains corresponding to a different region on a surface of the magnetic field source, the current positional domain being one of the plurality of positional domains whose respective region is situated in greater proximity to the sensing module than the respective regions of the remaining ones of the plurality of positional domains,
• wherein the current positional domain of the magnetic field source is discontinuous.

A method, comprising:

• a magnetic field sensing module that is configured to generate a plurality of signals, each signal indicating a magnetic flux density of a different component of a magnetic field that is produced by a magnetic field source;
• a processing circuitry that is configured to:
• receive the plurality of signals from the magnetic field sensing module;
• and
• generate an output signal based on the plurality of signals, the output signal encoding an identifier of a current positional domain of the magnetic field source, the current positional domain being one of a plurality of positional domains, each of the plurality of positional domains corresponding to a different region on a surface of the magnetic field source the current positional domain being one of the plurality of positional domains whose respective region is situated in greater proximity to the sensing module than the respective regions of the remaining ones of the plurality of positional domains,
• wherein the current positional domain of the magnetic field source is discontinuous.