Photographic flash device

Details Photographic flash device Photographic flash device

1978-07-17

1980-02-26

Padgett, Benjamin R.

Illumination

Photographic lighting

Including specific light modifier

354 33, 354 35, 354145, 362 4, 362 16, 362255, 362280, 362281, 362282, 362283, 362285, 362287, 362319, 362323, G03B 1502, G03B 1505, G03B 708, G03B 716

Patent

active

041908805

ABSTRACT:
A photographic flash device comprising a first mechanism for varying the angle of divergence of a flashed light and a second mechanism for varying the direction of the flashed light. The first variable mechanism is provided with a first body having a light source, a second body, a first slidable molding which has an optical panel to cover the front of the light source, a second slidable molding which surrounds the first slidable molding, and detent means which control slide movement of the first slidable molding and connects the first slidable molding with the first body. The second variable mechanism changes the direction of the flashed light from the light source by rotatably connecting the moldings to an additional body.

REFERENCES:
patent: 2309104 (1943-01-01), Dircksen et al.
patent: 2811907 (1957-11-01), Hyzer
patent: 3869604 (1975-03-01), Prochnow
patent: 3882514 (1975-05-01), Graham
patent: 3967106 (1976-06-01), Chen
patent: 4017727 (1977-04-01), Yamamoto
patent: 4078240 (1978-03-01), Kaneko et al.
patent: 4109301 (1978-08-01), Wakimura
patent: 4141059 (1979-02-01), Shiojiri

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