Strobe unit

Details Strobe unit Strobe unit

1992-02-11

1993-03-23

Husar, Stephen F.

Illumination

Photographic lighting

Including specific light modifier

362 17, 362223, 362304, 362347, G03B 1502

Patent

active

051958147

ABSTRACT:
A strobe unit in which a reflecting mirror is located behind a light source. The strobe unit includes an imaginary semielliptical reflecting mirror having a major axis located on an axis of illumination that passes through the center of the light source. Imaginary quarter-elliptical reflecting mirrors are formed by splitting the imaginary semi-elliptical reflecting mirror along the major axis into two mirror elements which are spaced a predetermined distance from one another in a direction perpendicular to the major axis. The reflecting mirror is defined by modified quarter-elliptical reflecting mirrors which are symmetrical in shape with respect to the axis of illumination and have a continuous smooth reflecting surface that extends between open ends of the imaginary quarter-elliptical reflecting mirrors, and ends which are adjacent to the light source and located between the imaginary semi-elliptical reflecting mirror and quarter-elliptical reflecting mirrors.

REFERENCES:
patent: 4293892 (1981-10-01), Plummer
patent: 4298909 (1981-11-01), Krieg
patent: 5055976 (1991-10-01), Arai
English Language Abstract of JP 1-236504, Patent Abstracts of Japan, vol. 13, No. 565, Section M-907, p. 125, May 1992.

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