Robert Boschgmbh

Marcus Meyer

Markus Kliffken

Thomas Huck

Juergen Herp

Martin Hager

Michael Soellner

Frank Moskob

Stefan Kotthaus

Dietmar Schaible

Holger Thoelke

Stefan Reck

Stanley Kurian Jose

Markus G Kliffken

Gearset-drive unit (), in particular for use in motor vehicles, comprising a drive wheel () that meshes with a driven wheel (), wherein a sensor wheel () with a position sensor () that interacts with a sensor () to detect speed meshes with the drive wheel () or the driven wheel ().

Gear drive unit with speed measurement

The invention relates to a method for expanding the absolute angle measurement range in magnetic field sensors. Through the use of an evaluation circuit ( ), various method steps are carried out; first, the ratio of two phase-shifted input values is determined, for example sine signals or cosine signals of the voltage ( ). The ratio of the phase-shifted input values ( ) to each other is combined with an offset C. The predeterminable offset C permits the expansion ( ) of the angle measurement range of magnetic field sensors to a full 360&deg; rotation ( ) or a multiple thereof.

Method for extending the measuring range of an absolute angle in magnetic-field sensors

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Karlsbad, Germany

Marcus Meyer