Magnetic brush type charging device

Details Magnetic brush type charging device Magnetic brush type charging device

1995-02-17

1997-01-07

Braun, Fred L.

Electrophotography

Image formation

Charging

361225, G03G 1502

Patent

active

055922643

ABSTRACT:
In an magnetic brush charging apparatus, a following relation is satisfied, .rho..ltoreq.M/H.ltoreq.1.6 .rho., wherein H is a minimum gap distance (cm) between a cylinder and an image carrying member, .rho. is a density (g/cm.sup.3) of magnetic particles and M is an amount (g/cm.sup.2) of magnetic particles existing in a nip region coming in contact with the image carrying member.

REFERENCES:
patent: 5351109 (1994-09-01), Haneda
patent: 5357323 (1994-10-01), Haneda et al.
patent: 5367365 (1994-11-01), Haneda et al.
patent: 5381215 (1995-01-01), Haneda et al.

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