Optical outer diameter measurement apparatus

An optical outer diameter measurement apparatus includes a rotary device driven to rotate by a motor to convert light emitted from a light-emitting element into scanning light, a collimator lens configured to convert the scanning light into parallel scanning light that is projected toward an object...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	Taniguchi, Ichirou, Imaizumi, Ryoichi
Format:	Patent
Sprache:	eng
Schlagworte:	CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS CONVERSION OR DISTRIBUTION OF ELECTRIC POWER DYNAMO-ELECTRIC MACHINES ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR ELECTRICITY GENERATION MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS MEASURING MEASURING ANGLES MEASURING AREAS MEASURING IRREGULARITIES OF SURFACES OR CONTOURS MEASURING LENGTH, THICKNESS OR SIMILAR LINEARDIMENSIONS OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS OPTICS PHYSICS PRINTED CIRCUITS TESTING
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Beschreibung
Zusammenfassung:	An optical outer diameter measurement apparatus includes a rotary device driven to rotate by a motor to convert light emitted from a light-emitting element into scanning light, a collimator lens configured to convert the scanning light into parallel scanning light that is projected toward an object to be measured, a condenser lens configured to condense the parallel scanning light having passed by the object to be measured, a light-receiving element configured to receive light condensed by the condenser lens, a housing that accommodates the rotary device and the collimator lens, and an optical-path cover including, in the housing, two walls extending in a scanning direction of the scanning light and located opposite each other with the scanning light between the two walls.