US 2025/0219638 A1Published application

Magnetic switch

AssigneeMelexis Bulgaria Eood

InventorsLionel TOMBEZ, Stoyan GEORGIEV GAYDOV

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Abstract

A magnetic switch includes a magnetic field sensing system configured for performing a measurement of the component of the magnetic field in at least two different directions and providing a signal representative of the measurement. A comparator allow to sequentially compare the signal with a respective threshold value. The comparator are adapted to provide a first threshold value being a predetermined value for a first comparison wherein the switch is configured to repeat the comparison using the signal representative of the measurement in a different direction and a respective threshold value. The comparator are further adapted to provide a further threshold value for the further comparison. The threshold value is chosen in accordance with at least one measurement of the component of the magnetic field used in a previous comparison. The magnetic switch also comprises a connection to output the result of at least one comparison.

Claims14

Dependent claims

A magnetic switch comprising a magnetic field sensing system configured for performing a measurement of a first component of the magnetic field in a first direction and a further measurement of at least a second component of the magnetic field in a second direction different from the first direction, the second component of the magnetic field being different from the first component, and the system being further configured for providing a first measurement signal representative of the measurement of the first component and a second measurement signal representative of the further measurement of the at least second magnetic field component,

further comprising a comparator adapted for obtaining a first threshold value for a first comparison with the first measurement signal, the first threshold value being a predetermined value,
the comparator being adapted comparing the first measurement signal with the first threshold value,
the comparator being further adapted to provide a subsequent threshold value,
wherein the switch is configured to perform a further comparison using the second measurement signal representative of the further measurement of the at least second magnetic field component in a different direction and the subsequent threshold value,
wherein said subsequent threshold value is chosen in accordance with the first measurement signal,
the magnetic switch comprising a connection to provide a signal representative of the result of at least one comparison as output signal.

3 more elements

Dependencies are inferred from the claim text.

Facts

Application: 18/975,447Filed 10 Dec 2024
Priority: EP 23472010.028 Dec 2023
Published: 3 Jul 2025
Term ends: Not estimatedThe source records don’t support an estimate.

Classification6 codes

H03K 17/9512
Using a magnetic detector: using digital techniques
H03K 17/97
Switches controlled by moving an element forming part of the switch: using a magnetic movable element
H03K 17/9517
Using a magnetic detector: using galvanomagnetic devices
H03K 2017/9713
Using a magnetic movable element: multiposition, e.g. involving comparison with different thresholds

Family

No related US applications are recorded in the indexed filing history.

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