Title:
ILLUMINATION DEVICE
Document Type and Number:
WIPO Patent Application WO/2011/055488
Kind Code:
A1
Abstract:
An illumination device which can more uniformly illuminates a specific direction.
An illumination device is provided with: a shaped member (11) which extends in a specific direction, which has an opening (11a) open toward the front in the front-rear direction perpendicular to the specific direction, and which has a curved shape swelling toward the rear; a base member (12) which is translucent and is contained inside the shaped member (11) while being exposed to the outside of the shaped member (11) through the opening (11a) of the shaped member (11); a cover member (13) which has light-blocking properties and covers at least a part of the front portion of the base member (12) from the front; and light emission means (2). The light emission means (2) are affixed within a recess (12a) in the base member (12) so as to be separated from each other in the specific direction.
Inventors:
HIRAI HIDENORI (JP)
KATAOKA NOBORU (JP)
OHTA HIDEMASA (JP)
KATAOKA NOBORU (JP)
OHTA HIDEMASA (JP)
Application Number:
PCT/JP2010/006052
Publication Date:
May 12, 2011
Filing Date:
October 12, 2010
Export Citation:
Assignee:
KATAYAMA KOGYO CO LTD (JP)
HIRAI HIDENORI (JP)
KATAOKA NOBORU (JP)
OHTA HIDEMASA (JP)
HIRAI HIDENORI (JP)
KATAOKA NOBORU (JP)
OHTA HIDEMASA (JP)
International Classes:
F21S2/00; E04F11/18
Foreign References:
| JP2006322248A | 2006-11-30 | |||
| JP2005009093A | 2005-01-13 | |||
| JP2008028171A | 2008-02-07 |
Attorney, Agent or Firm:
KOTANI, Etsuji et al. (JP)
Etsuji Kotani (JP)
Etsuji Kotani (JP)
Download PDF:
Previous Patent: MASK FOR SCREEN PRINTING, SCREEN PRINTING DEVICE AND SCREEN PRINTING METHOD EMPLOYING SAME
Next Patent: HEARING AID
Next Patent: HEARING AID