Boots – shoes – and leggings
Patent
1984-10-29
1986-12-09
Lall, Parshotam S.
Boots, shoes, and leggings
346110R, 364491, 364571, G06F 1560, G06F 1562
Patent
active
046284664
ABSTRACT:
A cathode ray tube with a fiber optic faceplate is successively stepped to discrete adjoining areas of a photosensitive film upon which a pattern is to be exposed. The pattern is divided into a plurality of sections, which are exposed upon the film by the cathode ray tube one at a time at its successive positions. In each position of the cathode ray tube, its beam traces a pattern of light upon its faceplate that corresponds to one section of the overall pattern. The pattern of light traced on the faceplate is transmitted directly to the film which is in contact with the fiber optic faceplate. As each pattern section is formed on the faceplate, correction signals are applied to the beam deflection circuits so as to shift all or portions of the pattern formed on the faceplate in a sense to decrease misalignment due to error in position of the cathode ray tube and, moreover, to correct for deviations in the position of the beam trace upon the faceplate caused by static errors that are due to construction of the cathode ray tube.
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Brochure entitled: "Litton Fiber Optic Cathode Ray Tubes of Litton Electron Tube Division", San Carlos, Ca., 9600 Industrial Roads, San Carlos, California 94070.
Cosimano Edward R.
Excellon Industries
Lall Parshotam S.
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