Title:
INSTALLATION MECHANISM OF INFORMATION DISPLAY DEVICE AND METHOD FOR INSTALLATION
Document Type and Number:
Japanese Patent JP3947338
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To provide installation technique suitable to install a display device which uses a transmission type hologram screen, on a ceiling or the like.
SOLUTION: A hologram screen 102 is installed on a ceiling 101 as inclined from the vertical line descending from the ceiling 101 in the direction to the light source 103 by an angle corresponding to the proper incident angle α.
Inventors:
Yasuhiro Sato
Toshiki Serita
Toshiki Serita
Application Number:
JP2000068624A
Publication Date:
July 18, 2007
Filing Date:
March 08, 2000
Export Citation:
Assignee:
株式会社日立製作所
International Classes:
G03B21/56; H04N5/74; (IPC1-7): G03B21/56; H04N5/74
Domestic Patent References:
| JP11167680A | ||||
| JP5036771B2 | ||||
| JP2000039672A |
Attorney, Agent or Firm:
Polaire Patent Business Corporation
Katsuo Ogawa
Kyosuke Tanaka
Katsuo Ogawa
Kyosuke Tanaka