LIGHTING FIXTURE (VERSIONS) Russian patent published in 2003 - IPC

FIELD: lighting engineering. SUBSTANCE: proposed lighting fixture contains light source and transparent dome made of glass or other hard transparent material. Spindle-shaped or ellipsoidal artificial flaws are made to form definite pattern inside entire volume of dome or on its separate sections by method of laser forming of patterns in hard media. Light source is made adjustable in angle of direction of light flux relative to end face surface of dome. Part of flaws on surface can be orientated in fixed manner and part can be orientated arbitrarily or pointed in other direction. EFFECT: improved operating qualities. 3 cl, 3 dwg