Optics: measuring and testing – Velocity or velocity/height measuring – With light detector
Patent
1994-06-03
1996-02-13
Hellner, Mark
Optics: measuring and testing
Velocity or velocity/height measuring
With light detector
342 13, 40202, 2503411, G09F 700, G01P 336
Patent
active
054915473
ABSTRACT:
Applicant's invention is a method and apparatus for inhibiting laser detection wherein the infrared laser light from a laser gun is absorbed, diffused, and dispersed, hindering the quick response needed for accurate laser readings. The laser detection inhibitor incorporates a rectangular acrylic lens panel and a filtering treatment which coats or is infused into the acrylic lens panel. The acrylic lens panel is suitably formed for placement over a vehicular license plate. The panel is adapted for placement over the license plate. After the panel is sprayed or infused during molding with the filtering treatment, the panel is affixed over the license plate using the existing attachment means for the vehicular license plate. Applicant's invention uniformly covers the license plate absorbing, diffusing, and dispersing infrared laser light and therefore, inhibiting laser detection.
REFERENCES:
patent: 4457089 (1984-07-01), Phillips, Jr.
patent: 5056817 (1991-10-01), Fuller
patent: 5150960 (1992-09-01), Redick
patent: 5177889 (1993-01-01), Ching Hwei
patent: 5381618 (1995-01-01), Singleton
Road and Track Magazine, Dec. 1992, p. 137.
Road and Track Magazine, Nov. 1993, p. 127.
Devilliers Henry
Jones Mark F.
Hellner Mark
Laser Stealth Technology L.L.C.
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