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Patent Searching and Data


Title:
DECORATION DEVICE AND GAME MACHINE
Document Type and Number:
Japanese Patent JP2017012244
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a decoration device being installable in a structure with a curved surface and capable of suppressing the number of light sources required for changing over display patterns.SOLUTION: The decoration device includes: a display panel 41 formed into a cylindrical plane shape with a curvature along a first direction and including a first pattern; light sources 44-1 and 44-2 emitting visible light; and a light guide plate 42 in which a diffusion plane 42c is disposed to face the display panel 41, the diffusion plane is formed into a recessed cylindrical plane shape, an exit plane 42e facing the diffusion plane is formed into a projecting cylindrical plane shape and the first pattern is visible from the exit plane 42e side. Further, the light guide plate 42 includes a plurality of prisms 421 that are formed on the diffusion plane 42c and reflect visible light incident on the light guide plate 42 from the light source via the incident plane 42b, toward the exit plane 42e. An angle of each prism 421 formed between the reflecting plane 421a and the diffusion plane 42c increases as the prism is situated farther from the incident plane 42b.SELECTED DRAWING: Figure 4

Inventors:
MURAOKA EIJI
KAKINUMA TAKESHI
TAKAGI YOSHIHIKO
Application Number:
JP2015129210A
Publication Date:
January 19, 2017
Filing Date:
June 26, 2015
Export Citation:
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Assignee:
OMRON TATEISI ELECTRONICS CO
International Classes:
A63F5/04
Domestic Patent References:
JP5610499B12014-10-22
JP2010509707A2010-03-25
JP2005144022A2005-06-09
JP2006075362A2006-03-23
JP2006158446A2006-06-22
JP2003141922A2003-05-16
JPH1186620A1999-03-30
Attorney, Agent or Firm:
Atsushi Aoki
Jun Tsuruta
Koichi Itsubo
Tsutomu Kono