Patent
1981-09-03
1984-01-03
Gonzales, John
G03B 4100
Patent
active
044239394
ABSTRACT:
A multiple imaging attachment 30 is provided for achieving proper multiple imaging when the amount of light is changed to expose different positions of a film frame. The multiple imaging attachment 30 is coupled to a camera 10 so that an opening 60 in the multiple imaging attachment will transmit light to a lens 14 and the opening 60 and is rotatable to direct light to selected portions of the lens 14 to expose selected portions of the film frame. The mask 64 is slidably mounted to move along a predetermined path transverse to the camera lens 14 to maintain a defined relationship between the mask and the lens and compensate for the changes in light. When the amount of light is changed while exposing different selected portions of a film frame the mask is selectively moved to maintain the defined relationship between the mask and the lens thereby assuring the necessary blending and overlapping between adjacent exposures to provide proper multiple imaging.
REFERENCES:
patent: 678490 (1901-07-01), Hug
patent: 1533433 (1925-04-01), Linden
patent: 2186610 (1940-01-01), Leavitt et al.
patent: 3318218 (1967-05-01), Yax
patent: 4012748 (1977-03-01), Lemanski
De La Garza Charles H.
Gonzales John
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