Inductive sensor device and method of detecting movement of an object
AssigneeJaquet Technology Group AG
InventorAndre Farrugia
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Abstract
An inductive sensor device for detecting a reciprocating movement of an object includes an oscillator circuit and a processing unit. The oscillator circuit has a sensing coil configured for inducing eddy currents in the object. The processing unit is configured to count a plurality of oscillations of the oscillator circuit detected in a plurality of sampling periods, compare the oscillations with a predetermined mean value of oscillations, and determine both a speed and a position of the object based on a comparison of the oscillations with the predetermined mean value of oscillations.
Claims20
An inductive sensor device for detecting a reciprocating movement of an object, comprising:
- an oscillator circuit including a sensing coil configured for inducing eddy currents in the object;
- and
- a processing unit configured to count a plurality of oscillations of the oscillator circuit detected in a plurality of sampling periods, compare the oscillations with a predetermined mean value of oscillations, and determine both a speed and a position of the object based on a comparison of the oscillations with the predetermined mean value of oscillations.
A method of sensing a reciprocating movement of an object with an inductive sensor device including an oscillator circuit, comprising:
- detecting and counting a plurality of oscillations of the oscillator circuit in a plurality of sampling periods;
- comparing the oscillations with a predetermined mean value of oscillations;
- and
- determining both a speed and a position of the object based on the comparison of the oscillations with the predetermined mean value of oscillations.
A computer program product stored on a non-transitory computer readable medium as a plurality of instructions executable by a processing unit of an inductive sensor device to perform the steps of:
- detecting and counting a plurality of oscillations of an oscillator circuit of the inductive sensor device in a plurality of sampling periods;
- comparing the oscillations with a predetermined mean value of oscillations;
- and
- determining both a speed and a position of an object moving in a reciprocating movement based on the comparison of the oscillations with the predetermined mean value of oscillations.
Dependencies are inferred from the claim text.