Title:
LIGHTING DEVICE FOR ELEVATOR CAR
Document Type and Number:
WIPO Patent Application WO/2011/129010
Kind Code:
A1
Abstract:
A lighting device for an elevator car is provided with a light source section which emits light toward the inside of the elevator car, and also with a prism-patterned lighting plate disposed in front of the light source section. The light source section has point light sources arranged at intervals. Prism-like grooves and ridges are formed on the prism-patterned lighting plate at pitches less than or equal to the pitches at which the point light sources are arranged.
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| JP2007062902 | OPERATION BOARD FOR CAR |
Inventors:
YAMADA MASAAKI (JP)
YAMAMOTO MITSUHIKO (JP)
YAMAMOTO MITSUHIKO (JP)
Application Number:
PCT/JP2010/056817
Publication Date:
October 20, 2011
Filing Date:
April 16, 2010
Export Citation:
Assignee:
MITSUBISHI ELECTRIC CORP (JP)
YAMADA MASAAKI (JP)
YAMAMOTO MITSUHIKO (JP)
YAMADA MASAAKI (JP)
YAMAMOTO MITSUHIKO (JP)
International Classes:
B66B11/02
Foreign References:
| JP2004338825A | 2004-12-02 | |||
| JPS55137404U | 1980-09-30 | |||
| JPS5595206U | 1980-07-02 | |||
| JPS62230591A | 1987-10-09 | |||
| JP2006140139A | 2006-06-01 | |||
| JPH11189382A | 1999-07-13 |
Attorney, Agent or Firm:
SOGA, Michiharu et al. (JP)
Michiharu Soga (JP)
Michiharu Soga (JP)
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Claims: