System and methods for improving video camera performance

Details System and methods for improving video camera performance System and methods for improving video camera performance

1984-11-27

1987-01-20

Church, Craig E.

Facsimile and static presentation processing

Facsimile

Specific signal processing circuitry

358110, 378 99, H05G 164, H04N 532

Patent

active

046383557

ABSTRACT:
A system for improving the performance of video cameras used in Digital Subtraction Angiography wherein the cameras have tubes comprising targets with elements in said target that correspond to pixels of an image. The method basically comprises the step of defocusing the electron beam especially during the scrubbing operation so that the electron beam impinges on more than one element at a time.

REFERENCES:
patent: 3955116 (1976-05-01), van den Berg
patent: 4482918 (1984-11-01), Keyes et al.

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