Strobe flash lamp with focussed front beam and collimated latera

Details Strobe flash lamp with focussed front beam and collimated latera Strobe flash lamp with focussed front beam and collimated latera

1989-06-28

1990-08-28

Lazarus, Ira S.

Illumination

Light source and modifier

Ionized gas or vapor light source

362 61, 362337, 362338, 362293, F21V 502

Patent

active

049530623

ABSTRACT:
A light fixture includes a parabolic reflector, a light source positioned at the focal point of the parabolic reflector and a lens assembly. The lens assembly includes a front lens for transmitting the primary beam reflected from the parabolic reflector. The lens assembly also includes a first lens section including one, two or more lateral focussing elements positioned between the front lens and the edge of the parabolic reflector to intercept omnidirectionally radiated light rays from the light source and to redirect the intercepted light rays into collimated lateral beams to illuminate selected areas at the side of the light fixture.

REFERENCES:
patent: 2238493 (1941-04-01), Lintern et al.
patent: 2307247 (1943-01-01), Tuck et al.
patent: 2566126 (1951-08-01), Franck
patent: 3221162 (1965-11-01), Heenan et al.
patent: 3253276 (1966-05-01), Nagel
patent: 3329812 (1967-07-01), Harling
patent: 3731082 (1973-05-01), Blaylock
patent: 3833828 (1974-09-01), Vivari
patent: 4115843 (1978-09-01), Nagel
patent: 4142179 (1979-02-01), Lowndes
patent: 4504889 (1985-03-01), Goldfarb
Dietz Catalog Section 9, Auxiliary Fog/Driving Light (no date).
Dietz Catalog Section 6, Turn Signal Light (no date).
Westinghouse Model 7415A Sealed Beam Incandescent Bulb (no date).
2 x Tomar PAR 36 Drawings (no date).

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