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Title:
LIGHTING APPARATUS AND LIGHTING SYSTEM
Document Type and Number:
Japanese Patent JP2007242321
Kind Code:
A
Abstract:

To provide a lighting apparatus capable of expanding light control range of itself by using an existing light control lighting apparatus, and a lighting system.

A lighting device 17 lights lamps 20, 21 in a prescribed light control range and illuminates the irradiation part. A lighting device 18 lights lamps 19, 22 in a prescribed light control range and illuminates the irradiation part. A shading plate 26 dimms out the light of the lamps 19, 22 and illuminates the irradiation part. Only the lamps 19, 22 are lighted by a minimum light control output of the lighting device 18. The lamps 19, 22 are lighted up to the nearly maximum light control output, and nextly, the lamps 20, 21 are lighted and light-controlled. In this case, the shading plate 26 has a prescribed transmissivity and covers the surrounding of the lamps 19, 22.

COPYRIGHT: (C)2007,JPO&INPIT


Inventors:
KOSAKA SHINICHI
YOKOMICHI SHIGEMI
MATSUBARA HOZUMI
ISHIZAKI TADASHI
MASUDA ATSUTOSHI
KAWATO KENJI
HASHIMOTO KOJI
Application Number:
JP2006060740A
Publication Date:
September 20, 2007
Filing Date:
March 07, 2006
Export Citation:
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Assignee:
MATSUSHITA ELECTRIC WORKS LTD
YANMAR CO LTD
International Classes:
H05B37/02; A01K63/06
Domestic Patent References:
JPH1064318A1998-03-06
JP2001284066A2001-10-12
JP2003125670A2003-05-07
JP2000348875A2000-12-15
JPH07211125A1995-08-11
Attorney, Agent or Firm:
Akio Miyai
Makoto Ito