Rotary encoder

A rotary encoder includes: an axis holding unit that holds a rotary axis member; a rotary slit plate that rotates around a rotary axis of the rotary axis member; a fixed slit plate that is arranged so as to face the rotary slit plate; a light emitting unit; a light receiving unit that receives the l...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	Ootake, Nobuyuki, Yoshida, Hirosato
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:	A rotary encoder includes: an axis holding unit that holds a rotary axis member; a rotary slit plate that rotates around a rotary axis of the rotary axis member; a fixed slit plate that is arranged so as to face the rotary slit plate; a light emitting unit; a light receiving unit that receives the light emitted from the light emitting unit; and a fixed slit table that has a first positioning unit that is attached with the fixed slit plate and positions the fixed slit plate, and a light emitting unit holding unit that holds the light emitting unit. The first positioning unit has an abutting unit and a deformation unit. The fixed slit plate is arranged in between the abutting unit and the deformation unit while the fixed slit plate abuts to the abutting unit, by the deformation unit that has deformed.