Method for determining the actual path position of an actuating element of an inductive sensor unit

• Main Authors: GOETZ, HANS, LUBER, THOMAS
• Format: Patent
• Language: English; French; German
• Published: 09.08.2006
• Subjects: ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVEREDIN A SINGLE OTHER SUBCLASS; MEASURING; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS; MEASURING LENGTH, THICKNESS OR SIMILAR LINEARDIMENSIONS; MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR; PHYSICS; TARIFF METERING APPARATUS; TESTING

Sensor coils (L1-L5,L1'-L5') attach to a printed circuit board (3) in a planar manner. A conductive activating element (CAE) (7) i.e. a forked metal plate fits with a clearance (a) at either side above the sensor coils on a track. An electric evaluatory circuit detects inductance changes i...