Color picture tube with focusing electrode having electrostatic field distortion aperture therein
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United States of America Patent
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-
May 15, 1984
Grant Date -
N/A
app pub date -
Feb 10, 1982
filing date -
Feb 10, 1982
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An inline electron gun in a color picture tube is improved by the addition of two slot apertures that are spaced sufficiently close to and outward from the two outer apertures in a portion of a focusing electrode facing a screen grid electrode to cause a distortion of the electrostatic field formed between the two electrodes at the two outer apertures. The electrostatic field distortion causes two outer electron beams to converge toward a center electron beam.
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Cited Art Landscape
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