OPTICAL SENSOR DEVICE

PROBLEM TO BE SOLVED: To minimize the influence of distance fluctuation and detect the presence of an object or the surface state by providing a light shielding member arranged so that the light quantity to shield is reduced as the object to be detected becomes more distant in front of the light rec...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	NAKAMURA ARATA, UNO TETSUYA, YAMANAKA NORIMASA, HOSOKAWA HAYAMI
Format:	Patent
Sprache:	eng
Schlagworte:	BASIC ELECTRIC ELEMENTS COLORIMETRY ELECTRIC SWITCHES ELECTRICITY EMERGENCY PROTECTIVE DEVICES MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT,POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRA-RED,VISIBLE OR ULTRA-VIOLET LIGHT MEASURING PHYSICS RADIATION PYROMETRY RELAYS SELECTORS TESTING
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