Title:
EVALUATION METHOD OF IMAGE SHIELD PROPERTY OF SCREEN AND METHOD FOR CREATING FIGURE FOR EVALUATING THE IMAGE SHIELD PROPERTY
Document Type and Number:
Japanese Patent JP2021074489
Kind Code:
A
Abstract:
To exactly indicate a use method of a screen matched to a use scene to a purchaser of the screen.SOLUTION: There are arranged an evaluation chamber 12 in which an indoor illumination 11 is arranged, and a window 17 covered with a screen 16 which is arranged at a wall 14 for partitioning an outdoor space 13 of the evaluation chamber. The outdoor space is formed so as to artificially changeable for a daytime environment and a nighttime environment. When setting difficulty in seeing outdoors from indoors in a screen at the turn-off of the indoor illumination at the daytime environment, difficulty in seeing indoors from outdoors in the screen at the turn-off of the indoor illumination at the daytime environment, difficulty in seeing outdoors from indoors in the screen at the turn-on of the indoor illumination at the nighttime environment, difficulty in seeing indoors from outdoors in the screen at the turn-on of the indoor illumination at the nighttime environment, difficulty in seeing outdoors from indoors in the screen at the turn-on of the indoor illumination at the daytime environment, and difficulty in seeing indoors from outdoors in the screen at the turn-on of the indoor illumination at the daytime environment as image shield properties in first to sixth environments, two or more image shield properties selected from a group which is composed of the image shield properties of six environments of the first to sixth environments are quantitatively evaluated by an evaluator.SELECTED DRAWING: Figure 1
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Inventors:
KONO EMIKO
TANI AYAKA
TANI AYAKA
Application Number:
JP2020009803A
Publication Date:
May 20, 2021
Filing Date:
January 24, 2020
Export Citation:
Assignee:
TOSO KK
International Classes:
A47H23/00; D06H3/08
Attorney, Agent or Firm:
Masayoshi Suda
Akira Murasawa
Akira Murasawa