Electric lamp, and light projector provided with an electric lamp

摘要

An electric lamp ( 1 ) comprising an elliptical reflector body ( 3 ) with a light emission window ( 5 ) and with a light-transmitting cover ( 11 ) positioned in the light emission window. A light chamber ( 7 ) is defined by the reflector body, in which chamber a light source ( 13 ) is positioned in a first focus (F 1 ) of the reflector body. A second focus (F 2 ) of the reflector body is located outside the light chamber and at an end ( 19 ) of an optical waveguide ( 17 ). The cover is provided with IR-reflecting means ( 15 ) and is parabolically or elliptically shaped, the cover having a focus (Flid) which is located on the light source.