LIGHT SOURCE STRUCTURE OF SIGNAL DISPLAY LAMP

摘要

PURPOSE: To enable a light source of a signal display lamp to be viewed largely, strongly from a remote position in its whole circumference and upper directions. ;CONSTITUTION: A base 2 is properly arranged inside a case 20. A display part 30 is provided with a xenon tube 1 mounted on a base 2, a disc-like reflection mirror 3 in the vicinity of a low part of the tube 1, and they are integrally constructed to form a light source. A light transmission globe 5 having a second focusing lens 52 centering a horizontal plane corresponding to the center of a reflection member 4 as well as a first focusing lens 51 corresponding to the center 12 of the tube 1 covers the light source.;COPYRIGHT: (C)1996,JPO