Lighting device

Details Lighting device Lighting device

1987-02-12

1988-08-30

Schwartz, Larry I.

Illumination

Revolving

362293, 362339, F21V 800

Patent

active

047681330

ABSTRACT:
A lighting device includes a light pipe and a tungsten halogen reflector lamp transmitting light beams parallel with the axis of the light pipe. This allows the use of a dichroic filter which provides for an increased transmission whereby low wattage lamps (36 w) can be used instead of the more usual 100 to 200 w light sources. A number of shaped prisms can be used as end arrangements whereby different effects are obtained, for example, bi-directional, omni-directional or angled beams can be provided.

REFERENCES:
patent: 4141058 (1979-02-01), Mizohata et al.
patent: 4460940 (1984-07-01), Mori
patent: 4461974 (1984-07-01), Chiu
patent: 4500167 (1985-02-01), Mori
patent: 4664470 (1987-05-01), Yerazunis

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