Optical panel for use in flashing device

Details Optical panel for use in flashing device Optical panel for use in flashing device

1995-05-22

1997-06-24

Lazarus, Ira S.

Illumination

Photographic lighting

Including specific light modifier

362223, 362328, 362330, 362332, G03B 1505

Patent

active

056412185

ABSTRACT:
A flashing device having an optical panel 3 to converge light, emitted from a flashing discharge tube 1, and reflected from a reflector 2, the converged light being directed by the optical panel to a photographic object. The optical panel is placed in front of the flashing discharge tube 1 and reflector 2 so as to control the light distribution in a transverse direction perpendicular to the axis of the flashing discharge tube 1. Moreover, the optical panel has different optical characteristics at its central portion and circumferential portion in the transverse direction perpendicular to the axis of the flashing discharge tube 1.

REFERENCES:
patent: 3486808 (1969-12-01), Hamblen
patent: 4172273 (1979-10-01), Schilling et al.
patent: 4333127 (1982-06-01), Alkema et al.
patent: 4778256 (1988-10-01), Serizawa
patent: 5160192 (1992-11-01), Sugawara

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