Illumination – Curvilinear light source
Patent
1992-02-20
1993-12-14
Makay, Albert J.
Illumination
Curvilinear light source
362222, 362260, 40545, 40564, 315DIG7, F21V 2300, F21S 500
Patent
active
052709108
ABSTRACT:
A thin light box comprising a thin structural frame less than about 3 inches thick for supporting a transparency to be illuminated along a frontal plane; a thin tubular cold cathode lamp between about 1/2 and 5/8 diameter (about 1.2 cm and 1.6 cm) having a planar serpentine configuration with a length of more than about 8 feet and less than about 16 feet which cold cathode lamp is supported within and by the frame substantially in a light tube plane parallel to the frontal plane spaced apart from the frontal plane about 3/4 of an inch (about 2 cm); and a thin solid state transformer sized to fit within and to be supported by the thin frame, which solid state transformer produces a sufficiently high voltage to illuminate the cold cathode tube lamp to provide sufficient illumination for backlighting the transparency.
REFERENCES:
patent: 3026410 (1962-03-01), Azan
patent: 4691267 (1987-09-01), Giesberg
patent: 4700111 (1987-10-01), Folwell et al.
patent: 4751434 (1988-06-01), Helling et al.
Clearr Corporation Advertising Brochure.
Clearr Corp. Price List, prices effective Aug. 1, 1990.
Fluorescent Lamps, General Electric informational brochure.
Miller, S. C., Neon Techniques and Handling, Handbook of Neon Signa and Cold Cathode Lighting, Third Ed., 1977, reprinted 1984-1985, Chapter XV, pp. 241-269.
Stern, Rudi, Let There Be Neon, 1979. Title & Contents Only.
Heyman L.
Makay Albert J.
Montgomery John W.
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