Polarity switch circuit for copying apparatus

Details Polarity switch circuit for copying apparatus Polarity switch circuit for copying apparatus

1976-11-08

1978-06-20

Shoop, William M.

Photocopying

Including fiber optics

200 11G, 200155R, 361229, 200330, G03G 1500

Patent

active

040958850

ABSTRACT:
A polarity switch circuit in a machine for electrostatically copying images from an original document image including corona charging means for imposing an electrostatic charge on a photoconductive medium, power supply means having a first output of one electrical polarity and a second output of the opposite polarity, and switch means for selectively connecting the first and second outputs to the corona charging means to selectively and alternatively impose an electrostatic charge on the photoconductive medium of the one electrical polarity and the opposite electrical polarity.

REFERENCES:
patent: 3304476 (1967-02-01), Schoen et al.
patent: 3820891 (1974-06-01), Kurakawa et al.
patent: 3877803 (1975-04-01), Seliger

Affiliated with

Also associated with

Rating

Polarity switch circuit for copying apparatus does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Polarity switch circuit for copying apparatus, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Polarity switch circuit for copying apparatus will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1131693