ENCODER

An encoder includes: a disk having a pattern of slits arranged in one direction; a light emitting element for emitting light toward the pattern of the disk; multiple first light receiving elements for receiving the light emitted from the light emitting element, by way of the slits and outputting a s...

Ausführliche Beschreibung

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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:	An encoder includes: a disk having a pattern of slits arranged in one direction; a light emitting element for emitting light toward the pattern of the disk; multiple first light receiving elements for receiving the light emitted from the light emitting element, by way of the slits and outputting a signal according to the amount of the received light; and multiple second light receiving elements for receiving the light emitted from the light emitting element, by way of the slits, at a phase different from a phase at which the first light receiving elements receive the light, and outputting a signal according to an amount of the received light. In this configuration, a first region in which the multiple first light receiving elements are arranged and a second region in which the multiple second light receiving elements are arranged are provided so as to be separated from each other.