The invention pertains to a fiber optic lamp system such as those employed in medical diagnostic systems using a cabinet containing a power supply having a front extendible drawer containing a 250 watt focused beam metal halide arc lamp mounted in a removable bracket which includes a sensing tab extension....http://www.google.com.au/patents/US5283718?utm_source=gb-gplus-sharePatent US5283718 - Fiber optic arc lamp system
