Distortion correction of an image intensifier

Details Distortion correction of an image intensifier Distortion correction of an image intensifier

2005-11-01

2005-11-01

Patel, Vip (Department: 2879)

Electric lamp and discharge devices

Photosensitive

Having phosphor screen

C313S524000

Reexamination Certificate

active

06960879

ABSTRACT:
The invention relates to the correction of distortion in an image intensifier comprising a primary screen intended for receiving first radiation and a secondary screen that emits second radiation that depends on the first radiation. The image intensifier furthermore includes means for projecting, onto the primary screen, a location test pattern produced using third radiation, and the secondary screen emits an image that depends on the location test pattern.

REFERENCES:
patent: 4658139 (1987-04-01), Brennan et al.
patent: 4741600 (1988-05-01), Pirs et al.

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