Improved led flashlight

F - Mech Eng,Light,Heat,Weapons – 21 – L

Patent

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Details

F21L 4/04 (2006.01)

Patent

CA 2577337

A lighting device with improved optical performance and efficiency is provided. The lighting device includes a source of energy, a light source, a reflector and a holder. The reflector has a first open end, a second end, and a parabolic profile extending between the first open end and second end. The focus of the parabolic profile is located outside of the profile. The reflector may also be movable relative to the light source. The lighting device may include a circuit that delivers a pulsed or thermally compensated pulsed current to the light source. The light device may also include a heat sink housing.

L'invention porte sur un disposif d'éclairage de performance et à rendement optiques améliorés. Le dispositif d'éclairage comprend une source d'énergie, une source de lumière, un réflecteur et un support. Le réflecteur se compose d'une première extrémité ouverte, d'une seconde extrémité et d'un profilé parabolique s'étendant entre la première extrémité ouverte et la seconde extrémité. Le foyer du profilé parabolique est situé à l'extérieur du profilé. Le réflecteur peut également être déplacé par rapport à la source de lumière. Le dispositif d'éclairage peut comprendre un circuit émettant un courant pulsé à compensation thermique sur la source de lumière. Le dispositif d'éclairage peut également comprendre un boîtier servant de dissipateur thermique.

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