Photoradiator for radiating light

Details Photoradiator for radiating light Photoradiator for radiating light

1983-08-08

1986-04-29

Sikes, William L.

Illumination

Supported by vehicle structure

Condition responsive

362 32, G02B 600, F21V 704

Patent

active

045852987

ABSTRACT:
A photoradiator has an elongate light conducting member which is supplied with converged light at one end thereof. Light radiating portions are arranged on the light conductor so that the light propagating through the light conductor may stream out in any desired light amount distribution along the axis of the light conductor. The radiating portions comprise spaced annular strips or spiral strips each being made of a material whose refractive index is larger than that of the light conductor. A mirror is positioned at the other end of the light conductor to reflect components of the incoming light which are substantially parallel to the axis of the light conductor, thereby promoting efficient radiation of the incoming light through the radiating portions.

REFERENCES:
patent: 2519690 (1950-08-01), Recktenwald
patent: 3890497 (1975-06-01), Rush
patent: 4344110 (1982-08-01), Ruediger
patent: 4459642 (1984-07-01), Mori

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