Patent
1975-12-15
1977-12-13
Hix, L. T.
354196, 354270, G03B 1505, G03B 904
Patent
active
040632601
ABSTRACT:
A camera with an internally arranged electronic flash device in which there is arranged a distance control knob releasably interlocking with a power source switch of the flash device. When the object to be photographed needs the flash device under conditions of low luminance the power source switch is moved to a suitable position indicating a particular distance between the object and the camera while the power source switch is moved into the "ON" position. When the photograph is taken with natural light the distance control knob is operated independently of the power source switch.
REFERENCES:
patent: 2380216 (1945-07-01), Carter
patent: 3171337 (1965-03-01), Fischer
patent: 3443498 (1969-05-01), Bihlmaier
patent: 3447441 (1969-06-01), Ort
patent: 3535990 (1970-10-01), Kunze
Hix L. T,.
Hutchison Kenneth C.
West Electric Company Ltd.
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