Steering angle sensor

Provided is a steering angle sensor which can generate steering wheel rotation angle information with good accuracy by a reduction of the effect of rotation angle errors that occur in a first driven gear and a second driven gear depending on the roundness of a ring-shaped driving gear. A steering an...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	ICHIKAWA YUYA, ISHIMASA TAKESHI, ETO MASAYA
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVEREDIN A SINGLE OTHER SUBCLASS LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS 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 MOTOR VEHICLES PERFORMING OPERATIONS PHYSICS TARIFF METERING APPARATUS TESTING TRAILERS TRANSPORTING
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Beschreibung
Zusammenfassung:	Provided is a steering angle sensor which can generate steering wheel rotation angle information with good accuracy by a reduction of the effect of rotation angle errors that occur in a first driven gear and a second driven gear depending on the roundness of a ring-shaped driving gear. A steering angle sensor, which is provided with a ring-shaped driving gear that rotates with the rotation of the steering wheel and a first driven gear and a second driven gear, which are each provided with a magnet and are driven and rotated according to the rotation of the ring-shaped driving gear, the steering angle sensor being for generating steering wheel rotation angle information from magnetic field changes due to the rotation of the first driven gear and the second driven gear. In the steering angle sensor, an intermediate gear, which engages with the ring-shaped driving gear, the first driven gear and the second driven gear, is interposed between the several gears.