Shutter device for infra-red imaging systems

Details Shutter device for infra-red imaging systems Shutter device for infra-red imaging systems

2006-03-29

2009-10-27

Dinh, Jack (Department: 2873)

Optical: systems and elements

Lens

With light limiting or controlling means

C359S740000, C396S493000, C396S495000

Reexamination Certificate

active

07609459

ABSTRACT:
A shutter for an infra-red imaging camera comprises shaped first and second elements (17, 18) which are movable relative to each other, between open and closed positions. In the open position, the elements (17, 18) overlie each other leaving a clear optical path through the camera. In the closed position, the elements (17, 18) are disposed side-by-side and completely block off the optical path through the camera.

REFERENCES:
patent: 3709134 (1973-01-01), Kitai
patent: 4486084 (1984-12-01), Sato et al.
patent: 5577840 (1996-11-01), Tomita
patent: 6657796 (2003-12-01), Greenberg
patent: 6899472 (2005-05-01), Takahashi et al.
patent: 6975464 (2005-12-01), Seita

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