VDT 作業における CRT フィルターと照明形態の効果

概要

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Quality of CRT letter is influenced by Glare reflection except CRT efficiency. View point of Glare countermeasure, setting of CRT filter and consideration of lighting tool layout are worked out. On this paper, taste and feeling of CRT filter and lighting form were discussed concerning their funcition and utility using Scheffe's paired comparison. It was made clear that Glare treatment of CRT filter degraded clearness and sharpness of CRT letters and affected letter quality greatly. Therefore CRT filter must be added the function which elevates contrast and maintains clearness and sharpness without considering Glare treatment. Glare reflection must be considered by lighting form and of lightingtool layout. Diffuse lighting was the most reasonable and lighting aids whose source of light was fluorescent light was effective about lighting on the source document and keyboard.
東海大学の論文