Illumination – Light source and modifier – Ionized gas or vapor light source
Patent
1995-09-08
1997-11-11
Quach, Y. My
Illumination
Light source and modifier
Ionized gas or vapor light source
362228, 362244, 362800, F22K 700
Patent
active
056856377
ABSTRACT:
The Dual Spectrum Illumination System (DSIS) is a modular light source having two independent emitters of optical radiation. A halogen bulb provides a high intensity visible beam. The second source of emissions is a ring of light emitting diodes (LED). The LED ring can be configured to supply area illumination, beam illumination, or a combination of area and beam illumination. The spectrum emitted by the LED is selectable from the wide range of commercially available diodes. The illumination system provides a beam and infrared area lighting using 21 high power, 6 watt, LEDs emitting at 880 nanometers mounted on the ring. Illumination control electronics are provided on a printed circuit assembly to provide the diodes with the correct current and voltage. A second embodiment of the invention is as a direct replacement for aircraft landing lights, mobile vehicle head lights, and any other situation requiring beam illumination. This embodiment of the DSIS provides high intensity beams of visible light and infrared light and is particularly suited for the U.S. Air Force covert operations.
REFERENCES:
patent: 2190035 (1940-02-01), Loungway
patent: 3816739 (1974-06-01), Stolov
patent: 4677533 (1987-06-01), McDermott et al.
patent: 4912334 (1990-03-01), Anderson
patent: 4947291 (1990-08-01), McDermott
patent: 4963798 (1990-10-01), McDermott
Bloxham Laurence Hastings
Chapman Mark Garland
Cook Jimmy G.
Quach Y. My
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