CONTACTLESS SWITCH

The invention relates to a switch. It comprises a button (1) which is connected to a ring-shaped permanent magnet (2) that is magnetized along a z-axis, a guide member (3) made from an non-ferromagnetic material inside which the button (1) and the ring-shaped permanent magnet (2) are arranged so as...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser: BACHMANN, ROLF
Format: Patent
Sprache:eng ; fre
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Beschreibung
Zusammenfassung:The invention relates to a switch. It comprises a button (1) which is connected to a ring-shaped permanent magnet (2) that is magnetized along a z-axis, a guide member (3) made from an non-ferromagnetic material inside which the button (1) and the ring-shaped permanent magnet (2) are arranged so as to be moveable along the z-axis, as well as at least one sensor (4) that has a sensitive area that is arranged inside the ring-shaped permanent magnet and that is configured to measure a change in a magnetic field in the radial direction within a x-y-plane, wherein the x-axis and the y-axis lie orthogonally to the z-axis, respectively.