Patent
1975-06-12
1977-04-12
Gonzales, John
G03B 1724
Patent
active
040178749
ABSTRACT:
A light intercepting device is constructed with a light intercepting member formed in such a manner that one end is insertable into a camera aperture by projection thereinto so as to intercept light at the data photographing portion of the actual picture frame, and a member to hold this light intercepting member, both being disposed in a gap between the camera body and the shutter curtain in the vicinity of the camera aperture.
REFERENCES:
patent: 1003536 (1911-09-01), Spinks
patent: 3216339 (1965-11-01), Kellenberger
patent: 3266394 (1966-08-01), Sauer et al.
Gonzales John
Nippon Kogaku K.K.
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