公开(公告)号：US20240200937A1

公开(公告)日：2024-06-20

申请号：US18287799

申请日：2022-04-21

Applicant: ams Sensors Germany GmbH

Inventor： Stephan MALKMUS

IPC: G01B11/26 ,  G05D3/12

CPC classification number: G01B11/26 ,  G05D3/12

Abstract: An optical tilt measurement apparatus includes an optical tilt sensor for use in sensing a tilt angle of a flat reflective surface around a pivot axis. The optical tilt sensor includes an optical emitter arrangement for emitting at least three beams of light so that each emitted beam of light is incident on, and reflected from, the flat reflective surface to form a corresponding reflected beam of light. The optical tilt sensor also includes an image sensor having a sensor area for detecting an intensity distribution of each of the reflected beams of light and outputting one or more signals representative of the detected intensity distribution of each of the reflected beams of light. The at least three emitted beams of light are emitted along at least three corresponding different emission paths. Each emission path extends from a corresponding emission point along a different corresponding emission direction.