Raindrop sensor having plano-convex lens

A raindrop sensor has a prism body, incoming radiation side plano-convex lens portions each provided on inclined surfaces of the prism body for receiving light from light-emitting elements, and outgoing radiation side plano-convex lens portions provided on inclined surfaces of the prism body for emi...

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Hauptverfasser: MAENO SATORU, TERAKURA OSAMU
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creator MAENO SATORU
TERAKURA OSAMU
description A raindrop sensor has a prism body, incoming radiation side plano-convex lens portions each provided on inclined surfaces of the prism body for receiving light from light-emitting elements, and outgoing radiation side plano-convex lens portions provided on inclined surfaces of the prism body for emitting light toward a light-receiving element. The plano-convex lens portions are configured to cause a relatively small number of light-receiving element(s) to receive light from a number of outgoing radiation side plano-convex lens portions. Such a raindrop sensor can be made to have a more structure while employing a widened detection region.
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subjects INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES
MEASURING
PERFORMING OPERATIONS
PHYSICS
SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, ORMANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR
TESTING
TRANSPORTING
VEHICLES IN GENERAL
title Raindrop sensor having plano-convex lens
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