We have developed a 3.2 kHz, 14-bit optical absolute rotary encoder system using a profile
sensor and a slit disc. The profile sensor, which we have designed for this purpose, is a …

Three innovative solutions for contactless angle detection are described and compared.
They use a giant magnetoresistive (GMR) sensor bridge which detects the direction of the …

We have developed the first 360° contactless absolute angular microsystem using a CMOS
two-dimensional vertical Hall sensor. The microsystem contains two groups of vertical Hall …

IC microtransducers are sensors or actuators based on industrial CMOS or bipolar
integrated circuit (IC) technology combined with additional bulk or surface micromachining …

This paper presents a weak magnetic field measurement system using micro-fluxgate (FG)
sensors and a sensor signal processing technique using the delta-sigma modulation in the …

A new type of small magnetic rotary encoder is presented. The device detects the magnetic
field of a permanent magnet attached to the end of the rotating shaft using complementary …

A new 3D silicon vector sensor using the Hall effect principle is realized and characterized.
This microtransducer functionally integrates in a common sensor region two parallel-field …

This paper presents a CMOS two-dimensional (2-D) vector magnetic sensor system
integrating two planar microfluxgate sensors and the complete electronics for sensor …

A comparative analysis of different linearization techniques for sensor signals is presented.
Several solutions in the analog, digital and mixed-signal domains are considered. In each …

A novel method for contactless angle detection is presented. It is based on four Hall devices
on a single industrial CMOS chip in combination with a permanent magnet. The system …