Image modifiers for use in photography

Details Image modifiers for use in photography Image modifiers for use in photography

1995-09-12

1997-07-15

Rutledge, D.

Photography

Camera attachment

396316, 396340, 396439, G03B 1100

Patent

active

056492596

ABSTRACT:
In a first embodiment of the invention, a transparent plate is mounted at the film plane within a camera. The transparent plate includes a translucent diffusion pattern which diffuses incoming light rays reflected from the subject and effectively repositions them in a controlled manner prior to the light exposing the film. Proposed diffusion patterns may alter the light rays to create characteristics indicative of various types of paintings.
In another embodiment of the invention, the transparent plate is mounted in a film cartridge.
In another embodiment of the invention, a length of plastic film (a pattern strip) is positioned adjacent to a similar length of photographic film (film strip). An appropriate translucent diffusion pattern is provided onto one surface of the pattern strip, along its entire length. Both strips are rolled into a conventional 35 mm film canister and dispensed simultaneously, as needed (within the camera) so that each frame of film has a separate mask in front of it, at the film gate of the camera.
In another embodiment of the invention, a transparent plate having a translucent diffusion pattern is positioned between the main lens of the camera, and the camera body. In this arrangement, a correcting lens is required to bring the pattern of the particular pattern into sharp focus with the image at the film plane to be exposed on film.

REFERENCES:
patent: 1396035 (1921-11-01), Gaisman
patent: 3665828 (1972-05-01), Reiter
patent: 3916423 (1975-10-01), Ueda et al.
patent: 4342510 (1982-08-01), Guillaume
patent: 4533224 (1985-08-01), Ou
patent: 5164765 (1992-11-01), Strobel et al.
patent: 5247320 (1993-09-01), Kay
patent: 5550610 (1996-08-01), DeMarco

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