Technologies for Smart Sensors and Sensor Fusion

14	Contactless Angle Detection in Automotive, Consumer, and Industrial Applications

Antonio J. López-Martín and Alfonso Carlosena

CONTENTS

14.1    Introduction

14.2    Applications of Contactless Potentiometers

14.2.1    Automotive Applications

14.2.2    Industrial Applications

14.2.3    Consumer Applications

14.3    Techniques for Contactless Angle Detection

14.3.1    Optical Sensors

14.3.2    Capacitive Sensors

14.3.3    Inductive Sensors

14.3.4    Hall Effect Sensors

14.3.5    Magnetotransistors and MAGFETs

14.3.6    Magnetoresistors

14.3.7    Anisotropic Magnetoresistive Sensors

14.3.8    Giant Magnetoresistive (GMR) Sensors

14.4    Case Study: GMR-Based Contactless Potentiometers

14.4.1    Physical Arrangement of the Contactless Potentiometer ...