Electrophotographic apparatus with multiple speed mode

Details Electrophotographic apparatus with multiple speed mode Electrophotographic apparatus with multiple speed mode

1989-11-16

1991-07-09

Grimley, A. T.

Photocopying

Contact printing

Light boxes

355233, G03G 1528

Patent

active

050309943

ABSTRACT:
An electrophotographic copying apparatus having an electromechanical optical scanner, optical reflecting and focusing assembly, photosensitive latent electrostatic imaging assembly, electrostatic charge generator and applicator, and electrostatic toner applicator, wherein the scanner and photosensitive assembly have selectably variable operational speeds and the electrostatic charge and toner applicators have substantially constant application rates, and further wherein the speeds of the scanner and photosensitive assembly may be selectably varied to maximize copying rate while minimizing electrostatic charge generation and electrostatic toner consumption.

REFERENCES:
patent: 4101218 (1978-07-01), 8Saruwatari
patent: 4411514 (1983-10-01), Komori et al.
patent: 4537495 (1985-08-01), Kopko
patent: 4601568 (1986-07-01), Takano et al.
patent: 4659209 (1987-04-01), Yamada
McGraw-Hill Encyclopedia of Science & Technology, vol. 13, pp. 373--375 (6th ed. 1989).

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