Development device

Details Development device Development device

1999-02-18

2000-05-30

Moses, Richard

Electrophotography

Image formation

Development

399279, G03G 1508

Patent

active

060700408

ABSTRACT:
A development device according to the invention has an arrangement wherein a developer carrying member holding a toner thereon and an image bearing member with an electrostatic latent image formed thereon oppose each other across a predetermined gap therebetween, and a power unit applies an alternating voltage to the gap for supplying the toner from the developer carrying member to the image bearing member, the development device satisfying any one the following conditions: ##EQU1## where a (.OMEGA.) denotes a resistance component of an impedance (a+b.multidot.i) of the developer carrying member, -b (.OMEGA.) denotes a capacitative reactance component of the impedance thereof, and f (Hz) denotes a frequency of the alternating voltage.

REFERENCES:
patent: 5136335 (1992-08-01), Takeda et al.

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