Image modifiers for use in photography

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

1999-07-13

2000-12-26

Rutledge, D.

Photography

With data recording

Optical

396544, G03B 310, G03B 1100

Patent

active

061672068

ABSTRACT:
In a first embodiment of the invention, a transparent plate is mounted at the film lane 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 or may produce a controlled grainy appearance to an image recorded on film. 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: 1457209 (1923-05-01), Chanier
patent: 1501161 (1924-07-01), Cooke
patent: 2565446 (1951-08-01), Abbott
patent: 3420598 (1969-01-01), Goss
patent: 4243315 (1981-01-01), Wolf
patent: 4425026 (1984-01-01), Lien
patent: 4890903 (1990-01-01), Treisman et al.

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