Charged area (CAD) image loss control in a tri-level imaging app

Details Charged area (CAD) image loss control in a tri-level imaging app Charged area (CAD) image loss control in a tri-level imaging app

1993-03-11

1994-08-16

Grimley, A. T.

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355326, G03G 2100

Patent

active

053391357

ABSTRACT:
A pair of Electronic Voltmeters (ESV) are utilized to control the photoreceptor charging voltage in a Tri-Level imaging apparatus. One of the ESVs is used to control the voltage increases of a charging device. The other ESV is used to monitor the charge level of the charged area image of a Tri-Level image. When a critical value is sensed the control of the charging device is shifted to the ESV that monitors the charged area image level and limits the output from the charging device to a predetermined target value.

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