Patents in subclass Illumination/Carbon Arc Type

Parent class: Illumination

Number Patent title Issue Date
06929385 Apparatus and method for increasing light output over operational life of arc lamp

An apparatus and method for increasing operational life and performance of an arc tube or lamp. The method includes operating the arc tube and applying steps to encourage isothermal conditions around the arc tube. In one embodiment of the...
08/16/2005
06905230 UV lamp retainer system

A lamp retainer for a UV lamp system includes a retainer bracket having a registration surface configured to engage a UV lamp to thereby facilitate accurate and repeatable positioning of the lamp in a lamp housing. The lamp retainer...
06/14/2005
06896392 Apparatus and method for operating a portable xenon arc searchlight

A xenon arc searchlight or illumination system incorporates a quick change release and assembly so that the lamp, reflector and battery assemblies are easily field replaceable without tools. The lamp, ballast, battery and charger are...
05/24/2005
06883934 Light source device, illumination device liquid crystal device and electronic apparatus

A light source device 41A, 41B or 41C comprising a lens 44A, 44B or 44C which receives light from a light emitting device 43 such as LED. The lens 44A is a lens having the property that the directivity of exiting light in the Y direction...
04/26/2005
06679619 High intensity discharge (HID) lamp with integral ballast and underwater lighting systems incorporating same

A portable battery powered high intensity lighting system that produces solar quality illumination at four to six times the efficiency of comparable incandescent lighting systems includes a light head and a power source. The light head...
01/20/2004
06595661 Lamp housing

An array of photo detectors or a ground glass is employed in concert with a beam-forming reflector to generate a positional error(s) as the light source is displaced from a reference location in the vertical plane. The beam is formed by...
07/22/2003