Title:
LIGHTING DEVICE
Document Type and Number:
Japanese Patent JP2013045543
Kind Code:
A
Abstract:
To provide lighting devices, of which, the number of installation can be reduced.
In the lighting device 1 with light emitted from a light source 21 incident from an incident surface 23a of a condenser lens 23, and with the light condensed from an emission surface 23b of the condenser lens 23 emitted, a lens transition mechanism part 40 is provided for changing a distance between the incident surface 23a of the condenser lens 23 and an emission surface 21a of the light source 21 by moving the condenser lens 23.
Inventors:
IKEDA TAKAYUKI
Application Number:
JP2011181317A
Publication Date:
March 04, 2013
Filing Date:
August 23, 2011
Export Citation:
Assignee:
YAZAKI CORP
International Classes:
F21V14/06; B60Q3/02; F21V5/00; F21V5/04; F21Y101/02
Attorney, Agent or Firm:
Yasushi Kobayashi