David A Churchill

US Patent:

51113678, May 5, 1992

Filed:

Oct 16, 1991

Appl. No.:

7/777156

Inventors:

David L. Churchill - Palmetto FL

International Classification:

F21V 704

US Classification:

362 32

Abstract:

A fiber optic lighting device for providing a light source against and into one end of a fiber optic bundle for use. The device includes a long-life arc lamp which is operably connected within a tubular heat sink. At least one rigid transparent elongated, preferably cylindrical member having ground and polished ends is connected within a mating opening in the heat sink facing the arc lamp, light emitting from the arc lamp passing through the transparent member. The inner polished end of the transparent member includes a dielectric layer applied thereto which is selected to filter and reflect back into the heat sink at least some of the infrared components of the light emitting from the arc lamp. Most, if not all, of the ultraviolet component is filtered out by the transparent member. The light emitting from the outer end of the transparent member is thus absent both ultraviolet and infrared components for further transmission through the fiber optic bundle.

US Patent:

55728189, Nov 12, 1996

Filed:

Mar 21, 1995

Appl. No.:

8/407624

Inventors:

David L. Churchill - Ellenton FL

International Classification:

G09F 1300

US Classification:

40547

Abstract:

A fiber optic display sign for preselected sequential lighting of one or more of a plurality of transparent side-by-side panels each having viewable indicia thereon. Selective illumination of each of the panels is by a single light source which transmits light through a selective light transmitting device into fiber optic bundles which terminate at their opposite ends at, and are secured in, one or more openings defining a plurality of rows in an elongated light bar. The panels, when secured to the light bar having one edge of each panel in optical alignment with one of the rows of optical fiber bundle ends, may be sequentially illuminated to create distinctive visual effects as in advertising, multi-colored logo display or the like.

US Patent:

51094614, Apr 28, 1992

Filed:

May 10, 1991

Appl. No.:

7/698615

Inventors:

David L. Churchill - Palmetto FL

International Classification:

G02B 604

US Classification:

385115

Abstract:

A fiber optics light device particularly adapted for use in illuminating an object in conjunction with an optical comparitor. The device, which transmits light to the object from a separate light source, has a generally U-shaped housing having a first pair of flexible conduits, each one of the pair connected at one end and laterally extending in the same direction from each one of the arms of the housing. A second pair of flexible conduits is connected at one end and laterally extend from the cross-member of the housing. Optical fibers extend between the distal ends of the corresponding first and second pair of conduits and through the corresponding housing arms transmitting light therethrough. The distal ends of the first conduits emit light against the object and are adjustably positionable for that purpose.