Encoder

This invention provides an encoder capable of accurately detecting a failure without adding a position detecting signal. The encoder has a plurality of position detecting signal generating systems (a light source 1, tracks 3a to 3c, and light receiving element units 4a to 4c) for respectively genera...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	HASEGAWA, NORIYASU, OMURA, YOICHI, SHAMOTO, KOSUKE, OKAMURO, TAKASHI
Format:	Patent
Sprache:	chi ; 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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