Inductive Proximity Switch
First Claim
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1. An inductive proximity switch device comprising a plurality of inductive elements.
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Abstract
Embodiments of the invention relate to a proximity switch device, a system, and methods for operating and manufacturing a proximity switch device. According to an aspect, an inductive proximity switch device includes a plurality of inductive elements.
53 Citations
49 Claims
- 1. An inductive proximity switch device comprising a plurality of inductive elements.
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38. An inductive proximity switch device, comprising:
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a common substrate; and a plurality of inductive proximity switches arranged on the common substrate, each inductive proximity switch comprising a plurality of inductive elements. - View Dependent Claims (39, 40, 41, 42, 43)
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44. A method for operating a proximity switch device, the method comprising:
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generating a magnetic stray field by means of at least one transmitter coil such that the magnetic stray field surrounds at least one receiver coil inducing a voltage or current in the at least one receiver coil; evaluating the induced voltage or current characteristics of the at least one receiver coil; and
therebydetecting objects comprising metals present in the magnetic stray field generated by the transmitter coil of the proximity switch device. - View Dependent Claims (45, 46, 47, 48)
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49. A system comprising:
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an inductive proximity switch device formed on a common substrate, the inductive proximity switch device comprising a plurality of inductive proximity switches arranged on the common substrate, each inductive proximity switch comprising a plurality of inductive elements; and a control and/or regulatory device for controlling and/or regulating the proximity switch device.
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Specification