Back light screen for chroma-key photography

Details Back light screen for chroma-key photography Back light screen for chroma-key photography

2004-12-01

2008-08-26

Perkey, W. B. (Department: 2862)

Photography

Studio structure

Background or foreground

Reexamination Certificate

active

07418197

ABSTRACT:
A chromo-key screen method and device having a screen component with a front surface and a back surface and capable of transfusing light or other electromagnetic energy from the back surface to the front surface and one or more lights or other electromagnetic energy generators transmitting energy onto the back surface that is transfused to the front surface and transmitted from the front surface into area subject of an image capturing device, e.g. photographic or digital camera. The invention applies to chroma-key photography wherein the background screen is lighted, at least in part, from a source behind the screen. The device may include an enclosure to restrict color spilling into the foreground.

REFERENCES:
patent: 3643085 (1972-02-01), Durand
patent: 5897413 (1999-04-01), Erland
patent: 5953542 (1999-09-01), Fleming
patent: 6211941 (2001-04-01), Erland
patent: 6411778 (2002-06-01), Peterson
patent: 6674485 (2004-01-01), Akiyama et al.
patent: 11-194410 (1999-07-01), None

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