Title:
LEDディスプレイのためのスペース可変シャッター
Document Type and Number:
Japanese Patent JP2013530503
Kind Code:
A
Abstract:
A variable space shutter includes: a first frame having vertically spaced slats forming vertical openings; a second frame having a horizontal indented channel, the second frame being affixed to the first frame around a periphery of the first frame; and a shutter part having vertically spaced slats forming vertical openings, the shutter part being sandwiched between the first and second frames such that a portion of the shutter part rests within the horizontal indented channel to permit selective sliding movement of the shutter within the channel between a first position, wherein the vertical openings of the first frame line up with the vertical openings of the shutter part, to permit light to pass through the variable space shutter, and a second position, wherein the vertical openings of the first frame line up with the vertical slats of the shutter part, to block light from passing through the variable space shutter.
Inventors:
Kui Lai Curie Chang
Alan Kin Lung Choi
Alan Kin Lung Choi
Application Number:
JP2013516921A
Publication Date:
July 25, 2013
Filing Date:
November 24, 2010
Export Citation:
Assignee:
Lighthouse Technologies Limited
International Classes:
F21V14/08; F21V11/12; F21V11/14; F21Y101/02
Domestic Patent References:
| JPS56161709U | 1981-12-02 | |||
| JPS5849932A | 1983-03-24 | |||
| JP2007121593A | 2007-05-17 | |||
| JPH0836907A | 1996-02-06 | |||
| JP2009522476A | 2009-06-11 | |||
| JP2008280779A | 2008-11-20 | |||
| JPS3613183Y1 | ||||
| JPH02168504A | 1990-06-28 |
Foreign References:
| US2995079A | 1961-08-08 |
Attorney, Agent or Firm:
Yasuhiko Murayama
Masatake Shiga
Takashi Watanabe
Shinya Mitsuhiro
Masatake Shiga
Takashi Watanabe
Shinya Mitsuhiro