Illuminating spotlight projector and lighting installation...

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

Patent

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Details

F21V 13/04 (2006.01) F21V 5/04 (2006.01) F21V 7/00 (2006.01) F21V 7/16 (2006.01) F21V 17/02 (2006.01) F21V 17/04 (2006.01)

Patent

CA 2382190

The invention concerns an illuminating spotlight emitting a narrow beam comprising a highly concentrated light source and a concave reflector for emitting an illuminating beam in a specific direction, along an emitting axis (XX). Said spotlight comprises a converging lens interposed between the source and the reflector, and in a plane (P) passing through a conical segment (ab); the source (S) is bordered laterally on the reflector side with a sector of the converging lens (LA) providing a virtual image of the source (S.square.) located beyond the emitting axis (XX), on the side opposite to that of the lens (LA); the virtual image (S') of the light source (S) being formed at the focus (F) of the conical segment (ab) locally defining the reflector (RF).

Projecteur d'éclairage émettant un faisceau étroit comprenant une source lumineuse très concentrée et un réflecteur concave pour émettre un faisceau d'éclairage dans une direction donnée, suivant un axe d'émission (XX). Ce projecteur comprend une lentille convergente placée entre la source et le réflecteur, et dans un plan (P) passant par l'axe d'émission (XX): le réflecteur concave (RF) est défini localement par un segment de conique (ab), la source (S) est bordée latéralement du côté du réflecteur par un secteur de la lentille convergente (LA) donnant de la source (S), une image virtuelle (S$mc)) située au-delà de l'axe d'émission (XX), de l'autre côté de celui de la lentille (LA), l'image virtuelle (S') de la source lumineuse (S) étant formée au foyer (F) du segment de conique (ab) définissant localement le réflecteur (RF).

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