Color TV camera with four-port prism

Details Color TV camera with four-port prism Color TV camera with four-port prism

1982-12-16

1985-03-26

Murray, Richard

Facsimile and static presentation processing

Static presentation processing

Attribute control

358 50, H04N 904

Patent

active

045076790

ABSTRACT:
A color television camera includes a color splitting prism and solid-state imagers responsive to different colors. In order to enhance resolution, two offset green-responsive imagers are coupled to prism ports to which green light is propagated and their signals are combined. Because of the different power of the lens for different colors of light, the red and blue images focus at different distances. In order to allow correct focus for both the red and blue images, the red and blue light components are propagated to separate output ports to which individual red and blue-responsive imagers are coupled. The lengths of the red and blue light paths are adjusted to provide proper focus.

REFERENCES:
patent: 4249203 (1981-02-01), Yamanaka
patent: 4268119 (1981-05-01), Hartmann

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