MULTI-ROTATIONAL ABSOLUTE ROTATION ANGLE DETECTING DEVICE AND GEAR

In an encoder device, a first gear is made of a transparent resin allowing transmission of light and includes: a detection target on which an optical pattern for detecting the absolute rotation angle within one rotation is formed, and a plurality of teeth formed on the outer periphery of the detecti...

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Bibliographische Detailangaben
Hauptverfasser:	Fukuda, Masao, Ootake, Nobuyuki
Format:	Patent
Sprache:	eng
Schlagworte:	ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVEREDIN A SINGLE OTHER SUBCLASS MEASURING 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:	In an encoder device, a first gear is made of a transparent resin allowing transmission of light and includes: a detection target on which an optical pattern for detecting the absolute rotation angle within one rotation is formed, and a plurality of teeth formed on the outer periphery of the detection target. A first sensor includes a light emitter configured to emit light toward the detection target and a light receiver configured to receive the light transmitted through the detection target.