Optical transmission element, and illumination device employing

Details Optical transmission element, and illumination device employing Optical transmission element, and illumination device employing

1998-06-18

2000-07-11

Adams, Russell

Photography

With object illumination for exposure

Having flash built into camera

396155, 396267, 362 16, G03B 1503

Patent

active

060885432

ABSTRACT:
An optical transmission element according to the present invention, includes a light transmitting portion that has a plurality of optical elements that are arranged so as to be separated by air gaps, and the air gaps. And, light that is incident upon the light transmitting portion along a predetermined direction is transmitted through the light transmitting portion while reflecting on reflecting surfaces constituted by boundary surfaces that are defined between the optical elements and the air gaps.

REFERENCES:
patent: 5556186 (1996-09-01), Pilby
patent: 5617163 (1997-04-01), Ohtake

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