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Patent Searching and Data


Title:
LIGHTING DEVICE HAVING LIGHT SOURCE SWITCH MECHANISM
Document Type and Number:
Japanese Patent JP2004022327
Kind Code:
A
Abstract:

To provide a lighting device capable of switching a light source in an extremely short time and where the angle of illumination light is not varied by switching the light source.

The lighting device having two light emitting means different in a light emitting characteristic, is provided with a reflecting means which reflects light emitted from one of two light emitting means in a predetermined direction, a switching means which operates the reflecting means and exclusively selects the light emitting means reflecting the light in the predetermined direction, and a cabinet which has a light emission aperture for the light emitting means and supports the light emitting means, reflecting means and switching means.


Inventors:
SOEDA MASAHIKO
YAMAMOTO SHUSUKE
HAYASHI KENTA
HATA NAOKI
Application Number:
JP2002175401A
Publication Date:
January 22, 2004
Filing Date:
June 17, 2002
Export Citation:
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Assignee:
DAINIPPON PRINTING CO LTD
International Classes:
G01B11/30; F21V13/02; F21V17/02; G01N21/84; G03B15/02; G06T1/00; H04N1/04; H04N5/238; F21Y103/00; (IPC1-7): F21V17/02; F21V13/02; G01N21/84; G03B15/02; G06T1/00; H04N1/04; H04N5/238
Attorney, Agent or Firm:
Satoshi Kanayama