Four color separation optical device

Details Four color separation optical device Four color separation optical device

1995-04-10

1998-07-07

Faile, Andrew

Television

Camera, system and detail

Optics

348265, 348614, 356419, 359638, 359640, 369108, H04N 907, H04N 5225

Patent

active

057776741

ABSTRACT:
A color separation prism in which are arranged, in the order according to the direction in which the light from the objective travels: a first prism which extracts a predetermined wavelength component; a first air gap; a second prism which extracts a predetermined wavelength component; a second air gap; and third and fourth prisms that are joined to each other, wherein, in particular, a light reflected by the joint plane is totally reflected by a surface adjacent the second air gap and guided to an image pickup device.

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patent: 4857997 (1989-08-01), Fukami et al.
patent: 4873569 (1989-10-01), Hirosawa
patent: 4916529 (1990-04-01), Yamamoto et al.
patent: 5134468 (1992-07-01), Ohmuro
patent: 5327289 (1994-07-01), Watanabe et al.
patent: 5436661 (1995-07-01), Yamamoto et al.
patent: 5471323 (1995-11-01), Suetsugi et al.

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