Illumination – Photographic lighting – Measuring or indicating
Patent
1979-09-06
1981-02-17
Padgett, Benjamin R.
Illumination
Photographic lighting
Measuring or indicating
354127, 354128, 354289, G03B 1502, H01J 6180, F21K 500
Patent
active
042518547
ABSTRACT:
In a light angle indicator of photographic flash having a main part containing at least a flash lamp and a front lens part slidably coupled to said main part, the improvement is that
REFERENCES:
patent: 3391622 (1968-07-01), Steisslinger et al.
patent: 3635135 (1972-01-01), Ambraschla et al.
Kaneko Yoshikazu
Okuno Tadahide
Suzuka Takashi
Gluck Irwin
Matsushita Electric - Industrial Co., Ltd.
Padgett Benjamin R.
West Electric Company Ltd.
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