POLLUTION SENSOR

摘要

PROBLEM TO BE SOLVED: To provide a pollution sensor capable of accurately sensing the degree of pollution of each interior decoration being used. SOLUTION: A test sample 15 edged with a circle 14 and having an easy pollution area 12 and a difficult pollution area 13 set in the circle 14 is supported so that a plane on which the easy pollution area 12 and the difficult pollution area 13 are set becomes vertical and the test sample 15 is observed by a single eye of eyesight "1" from a distance of 100 times the diameter (D cm) of the circle 14 before pollution treatment and after pollution treatment. Pollution display drawn on the plane by the easy pollution area 12 and the difficult pollution area 13 in a degree that the arrangement of the easy pollution area 12 and the difficult pollution area 13 can be discriminated in either one of before pollution treatment and after pollution treatment and the arrangement cannot be discriminated by the other case when the test sample 15 is observed in the above manner is fitted to each interior decoration as a pollution sensor 17. COPYRIGHT: (C)2004,JPO&NCIPI