Illumination – Photographic lighting – Including specific light modifier
Patent
1980-12-18
1983-02-01
Walsh, Donald P.
Illumination
Photographic lighting
Including specific light modifier
362 11, 362 16, G03B 1502
Patent
active
043719139
ABSTRACT:
A multilamp photoflash unit has a housing formed to provide a multiplicity of cavities, each having a reflective surface and formed to receive a flashlamp. Each of the cavities has a reflective surface width opening to flashlamp diameter ratio of less than about 1.2, and the cavity configuration includes a planar rear wall section and a pair of bi-planar sidewall sections.
REFERENCES:
patent: 3774020 (1973-11-01), Heeman
patent: 3860809 (1975-01-01), Shoupp
Audesse Emery G.
Broadt David R.
Buffton Thomas H.
GTE Products Corporation
Walsh Donald P.
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