Patent ID: 6644835
Filing Date: 2003-11-11
Classification: F21L,F21V,G01J,H01J

Abstract:
A portable light source apparatus comprising:a housing; a lamp box, secured within said housing, accommodating a deuterium lamp for generating a predetermined wavelength of light, and having a light exit opening for letting out the light emitted from said deuterium lamp; and a power unit, secured within said housing, for driving said deuterium lamp; wherein said lamp box is formed with a lamp accommodating space having an upper opening at an upper part thereof, and wherein said deuterium lamp is accommodated in said lamp accommodating space while orienting a stem side thereof upward, wherein a flange part abuts against an upper end that surrounds the upper opening of the lamp box, wherein a light guide tube is provided between said light exit opening and said housing so as to prevent an air flowing in said housing from receiving the light emitted from said deuterium lamp, and wherein a wall of said lamp box is uninterrupted except for said openings.