Gas discharge illumination device

Details Gas discharge illumination device Gas discharge illumination device

1986-07-03

1988-02-23

Jones, Larry

Illumination

Light source and modifier

Fluorescent type

362222, 362806, 362812, 40545, 313567, 313312, F21K 100, G09F 1326

Patent

active

047274590

ABSTRACT:
A noble gas illumination device such as a neon tube in which the glass neon tube is clear and uncoated and is surrounded by a clear plastic tube. The clear plastic tube may be tinted or colorless. If it is tinted, it alters the color of the light emanating from the device. Whether tinted or untinted, the clear plastic tube makes the uncoated neon tube appear to have a larger diameter, thereby creating the illusion that the electric discharge beam in the neon tube is extremely thin and focused and has the appearance of a laser beam.

REFERENCES:
patent: 1826385 (1931-10-01), Beck
patent: 3507065 (1970-04-01), Fullerton
patent: 3808495 (1974-04-01), Win
patent: 3845343 (1974-10-01), Hammer
patent: 4147947 (1979-04-01), Hoeh

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