CTS Corporation
Rotary position sensor including switch and patterned magnet

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Abstract:

A rotary position sensor comprising a rotatable patterned ring magnet, which in one embodiment is mounted on the output shaft of an actuator, and includes a plurality of pairs of North and South Pole sections extending around the circumference of the ring magnet in an alternating relationship and defining a plurality of circumferentially extending magnetic field switch points spaced predetermined distances on the ring magnet corresponding to a plurality of predetermined unique positions of the ring magnet adapted for sensing by a switch such as Hall Effect switch. In one embodiment, the ring magnet includes a plurality of pairs of North and South Pole sections and switch points on the ring magnet of different predetermined lengths and predetermined locations respectively corresponding to a plurality of predetermined ring magnet positions to be sensed.

Status:
Grant
Type:

Utility

Filling date:

5 Nov 2018

Issue date:

25 Jan 2022