ROTATION ANGLE DETECTOR

PROBLEM TO BE SOLVED: To provide a rotation angle detector used for detecting a rotation angle of a steering in a vehicle, eliminating an erroneous detection, and surely detecting the rotation angle. SOLUTION: A control means 17 detects rotation signals from first and second detection means 15, 16 a...

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Bibliographische Detailangaben
Hauptverfasser:	OTA TAMOTSU, SHIMIZU MASARU, OIKE KOJI
Format:	Patent
Sprache:	eng
Schlagworte:	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
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To provide a rotation angle detector used for detecting a rotation angle of a steering in a vehicle, eliminating an erroneous detection, and surely detecting the rotation angle. SOLUTION: A control means 17 detects rotation signals from first and second detection means 15, 16 at a predetermined period. Since the erroneous rotation angle is prevented from being output by comparing the detected rotation signal with the previous rotation signal and outputting the rotation angle of a rotating body 1 even if magnetic detection elements 15B, 16B use an analog magnetic detection element, the erroneous detection is eliminated, and the rotation angle detector for surely detecting the rotation angle can be obtained. COPYRIGHT: (C)2009,JPO&INPIT