Image intensifier tube with correction of brightness at the outp

Details Image intensifier tube with correction of brightness at the outp Image intensifier tube with correction of brightness at the outp

1992-09-04

1993-09-28

Nelms, David C.

Radiant energy

Photocells; circuits and apparatus

Photocell controlled circuit

313524, H01J 4014, H01J 4000

Patent

active

052488748

ABSTRACT:
A image intensifier tube, having its brightness curve corrected in a simple way. The image intensifier tube comprises an input window (3), and an output window (4) at which the brightness is measured. The output window (4) bears a device for the attenuation of light (20), the opacity of this device being greater in a central zone (0) than it is towards the edges (21).

REFERENCES:
patent: 3443104 (1969-05-01), Niklas
patent: 4062009 (1977-12-01), Raverdy et al.
patent: 4069121 (1978-01-01), Baud et al.
patent: 4266848 (1981-05-01), Schlegel
patent: 4437035 (1984-03-01), Raverdy et al.
patent: 4740683 (1988-04-01), Noji et al.
patent: 4755718 (1988-07-01), Patrick
patent: 4847482 (1989-07-01), Kubo
patent: 5008591 (1991-04-01), van der Velden et al.
patent: 5028842 (1991-07-01), Ricodeau et al.
Patent Abstracts of Japan, vol. 11, No. 11 (E-470)(2458), Jan. 13, 1987 & JP-A-61 185 852, Aug. 19, 1986, "Cathode-Ray Tube."

Affiliated with

Also associated with

Rating

Image intensifier tube with correction of brightness at the outp does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Image intensifier tube with correction of brightness at the outp, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Image intensifier tube with correction of brightness at the outp will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-2192644