Charles Beyer

US Patent:

7682037, Mar 23, 2010

Filed:

Feb 26, 2007

Appl. No.:

11/679099

Inventors:

Mark D. Hose - Huntsville AL, US
Kenneth L. Smith - Porum OK, US
Charles J. Beyer - Cedar Park TX, US

Assignee:

Primos, Inc. - Flora MS

International Classification:

F21L 4/02
F21V 33/00
F21V 9/00

US Classification:

362184, 362208, 362231

Abstract:

An apparatus comprising a light-emitting device configured to illuminate blood. The light-emitting device may comprise a green light source configured to emit green light. The light-emitting device may also comprise a red light source configured to emit red light. The green and red light sources may be configured such that at least a portion of the green light and at least a portion of the red light combine to form a combined light area. The combined light area may cause a red color to be perceived as standing out in contrast to non-red colors. A filter device configured to transmit a light spectrum optimized to track blood is disclosed. The filter device may comprise a notch filter. A flashlight adaptor for illuminating blood is also disclosed. A method for illuminating blood is further disclosed.