ILLUMINATION DEVICE

PURPOSE: To provide an illumination device wherein the number of photodetection sections is reduced by illuminating a plurality of positions by a single photodetection section so that a photoconductor is simplified and the designing of an optical path of the photoconductor is facilitated. CONSTITUTI...

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1. Verfasser:	OTAKI KAZUYOSHI
Format:	Patent
Sprache:	eng
Schlagworte:	ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVEREDIN A SINGLE OTHER SUBCLASS CONSTRUCTIONAL DETAILS OF INSTRUMENTS, OR COMPARABLE DETAILSOF OTHER APPARATUS, NOT OTHERWISE PROVIDED FOR INSTRUMENT DETAILS 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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creator	OTAKI KAZUYOSHI
description	PURPOSE: To provide an illumination device wherein the number of photodetection sections is reduced by illuminating a plurality of positions by a single photodetection section so that a photoconductor is simplified and the designing of an optical path of the photoconductor is facilitated. CONSTITUTION: In the device, a pointer axle penetrates the central section of a roughly square dial plate 1 and a pointer made of a photoconductive member and a liquid crystal display device 6 for an electronic odometer are provided on the front face thereof. A photoconductor 7 is provided on the rear face of the dial plate 1. A photodetection section 7d that introduces a light from a light source 8, an illumination surface 7f that illuminates the liquid crystal display device 6 and a reflection section 7g that illuminates the pointer are formed in the photoconductor 7 dividedly in the thickness direction. The photodetection section 7d is commonly used and the optical passage is partially shared for illuminating the illumination surface 7f and reflection section 7g.
format	Patent
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CONSTITUTION: In the device, a pointer axle penetrates the central section of a roughly square dial plate 1 and a pointer made of a photoconductive member and a liquid crystal display device 6 for an electronic odometer are provided on the front face thereof. A photoconductor 7 is provided on the rear face of the dial plate 1. A photodetection section 7d that introduces a light from a light source 8, an illumination surface 7f that illuminates the liquid crystal display device 6 and a reflection section 7g that illuminates the pointer are formed in the photoconductor 7 dividedly in the thickness direction. 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subjects	ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVEREDIN A SINGLE OTHER SUBCLASS CONSTRUCTIONAL DETAILS OF INSTRUMENTS, OR COMPARABLE DETAILSOF OTHER APPARATUS, NOT OTHERWISE PROVIDED FOR INSTRUMENT DETAILS MEASURING MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR PHYSICS TARIFF METERING APPARATUS TESTING
title	ILLUMINATION DEVICE
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