Method and apparatus for high speed charge image generation

Details Method and apparatus for high speed charge image generation Method and apparatus for high speed charge image generation

1998-05-02

2000-06-27

Braun, Fred L.

Incremental printing of symbolic information

Electric marking apparatus or processes

Electrostatic

347141, B41J 2415, G01D 1506

Patent

active

060812869

ABSTRACT:
An apparatus for high-speed charge latent image generation which employs two or more charge generating matrix sets. These matrix sets are electrically connected so that image charges are simultaneously generated from each set. Charge from the matrix sets is deposited upon a dielectric image receptor surface adapted to move longitudinally with respect to the charge image generation apparatus. The charge image is in the form of dots that are formed using two or more sets of independently controlled matrix arrays that are spaced from each other in a longitudinal direction. The matrix sets are laid out so that the dots from any one set are interleaved among the other sets, resulting in the power loading to the charge image generating apparatus being distributed over a larger area. The method performed by such apparatus permits greater spacing of the matrix elements and results in minimizing artifacts in the latent electrostatic charge image.

REFERENCES:
patent: 4155093 (1979-05-01), Fotland et al.
patent: 4160257 (1979-07-01), Carrish
patent: 4658275 (1987-04-01), Fujii et al.
patent: 4999653 (1991-03-01), McCallum
patent: 5006869 (1991-04-01), Buchan
patent: 5357274 (1994-10-01), Kitamura
Kubelik, Igor; "Limiting Factors of High Resolution and Gray Scale Ionographic Printing"; SPIE, vol. 1252 (1990) pp. 45-76.
Fotland, Richard; "Ion Printing: past, present, and future"; SPIE, vol. 1252 (1990) pp. 18-24.

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