F - Mech Eng,Light,Heat,Weapons – 21 – V
Patent
F - Mech Eng,Light,Heat,Weapons
21
V
F21V 8/00 (2006.01) B64D 43/00 (2006.01) G02B 6/02 (2006.01) G02B 6/10 (2006.01)
Patent
CA 2571582
The invention relates to a fibre-optic device for the functional and decorative interior lighting of aircraft cabins having at least one central light source and at least one fibre-optic waveguide system. The optical waveguides are used to guide the light from the light source to the lighting location, wherein the optical waveguides are combined at the light-inlet side to form a light-receiving surface which corresponds to the light source. The optical waveguides have at least one glass-fibre bundle, wherein the light outlet-side ends of its glass fibres form a light outlet surface. The light outlet surface is preshaped as a point light, as a line of lights or as a flat light. As an alternative, an optical waveguide is provided which has at least one monofibre light-guiding rod having a diameter of 2-8 mm, preferably 3 mm, with side light-emitting properties, whose light outlet surface is in the form of a line of lights or flat light. The use of the invention can advantageously reduce the number of the active power-consuming light sources in the aircraft cabin. One central light source can supply electrical power to a plurality of lighting locations, wherein the central light source can be arranged outside the aircraft cabin. A considerable proportion of the electrical wiring in the cabin panelling can thus be dispensed with. The optical waveguides can be laid at any desired locations in the region of the wall panelling of the aircraft cabin. The device according to the invention can be used to achieve, in a simple, cost-effective and space-saving manner, systems of point, linear or flat lighting means for which special measures for fire prevention are not necessary.
Marks & Clerk
Schott Ag
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