Title:
ANISOTROPIC INCANDESCENT LIGHT SOURCE
Document Type and Number:
Japanese Patent JP2013125748
Kind Code:
A
Abstract:
To provide an improved incandescent light source as may be used in a vehicle headlamp for providing forward illumination.
The illuminating system includes a filament coil and an anisotropic reflector assembly. The filament coil is constructed from a coil of wire that is electrically conductive and has a high melting point and the primary axis of the coil of wire is substantially aligned with a principal axis of the reflector system. The light flux emitted by the filament coil toward the reflector system is rotationally anisotropic.
Inventors:
ISTVAN MUDRA
LASZLO NAGY
JOZSEF GALLAI
LASZLO NAGY
JOZSEF GALLAI
Application Number:
JP2012269897A
Publication Date:
June 24, 2013
Filing Date:
December 11, 2012
Export Citation:
Assignee:
GEN ELECTRIC
International Classes:
H01K1/14; F21S8/10; F21W101/10
Domestic Patent References:
| JPS61113302U | 1986-07-17 | |||
| JPH11312495A | 1999-11-09 |
Foreign References:
| US4856103A | 1989-08-08 |
Attorney, Agent or Firm:
Arakawa Satoshi
Hirokazu Ogura
Toshihisa Kurokawa
Takuto Tanaka
Hirokazu Ogura
Toshihisa Kurokawa
Takuto Tanaka
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