Method and device for setting the static convergence and/or purity of a color television tube
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United States of America Patent
Stats
-
Jan 23, 1990
Grant Date -
N/A
app pub date -
Nov 12, 1987
filing date -
Nov 12, 1986
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A method is disclosed for the setting of the static convergence and/or purity of a color television tube using permanent magnets. Magnetizable elements are fixed around the color television tube. These elements are evenly distributed around the axis of the tube. To correct the static convergence and/or purity errors, each element is magnetized by means of a corresponding coil, the position and dimensions of which are such that the element is subjected solely to the field within the turns of the coil.
First Claim
Family
International Classification(s)
Cited Art Landscape
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