F - Mech Eng,Light,Heat,Weapons – 21 – V
Patent
F - Mech Eng,Light,Heat,Weapons
21
V
F21V 7/06 (2006.01) F21S 2/00 (2006.01) F21S 8/00 (2006.01) F21V 7/00 (2006.01) F21V 7/09 (2006.01)
Patent
CA 2365234
For efficient use of light from a light source (1), a reflector (2) comprises a first paraboloid (3) (a, b) for reflecting the light from the light source (1) to form rays of light parallel to an optical axis (6),?a second paraboloid (4) (b, c) for reflecting the light from the light source (1) to form parallel rays of light deviating outside, and a bottomless frustum (5) (a-d) of a cone for reflecting the light from the second paraboloid (4) to form rays of light parallel to an optical axis (6). Despite the light source (1) in front of it, the reflector is capable of forming rays of light parallel to the optical axis (6).
Pour avoir une utilisation efficace de la lumire provenant d'une source de lumire (1), un r~flecteur (2) comprend un premier parabolo~de (3) (a, b) destin~ ~ r~fl~chir la lumire provenant de la source de lumire (1) pour former des rayons de lumire parallles ~ un axe optique (6), un second parabolo~de (4) (b, c) destin~ ~ r~fl~chir la lumire provenant de la source de lumire (1) pour former des rayons de lumire parallles d~viant ~ l'ext~rieur, et un tronc (5) (a-d) sans fond d'un cÙne destin~ ~ r~fl~chir la lumire provenant du second parabolo~de (4) pour former des rayons de lumire parallles ~ un axe optique (6). Bien que la source de lumire (1) se trouve devant lui, le r~flecteur est capable de former des rayons de lumire parallles ~ l'axe optique (6).
Fujitsu General Limited
Gowling Lafleur Henderson Llp
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