Image developing method and device therefor

Details Image developing method and device therefor Image developing method and device therefor

1981-02-26

1983-05-31

Moses, R. L.

Photocopying

Including fiber optics

118658, 355 77, 430122, G03G 1509

Patent

active

043858295

ABSTRACT:
An electrostatic latent image developing method and a device therefor, featured in supplying one-component magnetic developer onto a developer-feeding non-magnetic bearing member to form thereon a magnetic brush of developer under the effect of a magnetic field, then bringing said magnetic brush into contact with the surface of an image-developing developer bearing member to form thereon a thin uniform layer of the developer, and bringing said thin layer to a developing position to develop an electrostatic latent image formed on a latent image bearing member. At the development the thin layer of the developer is so spaced in the developing position from the latent image bearing surface as to form a clearance therebetween, across which an AC bias electric field is applied.

REFERENCES:
patent: 2839400 (1958-06-01), Moncrieffe-Yeates
patent: 3166432 (1965-01-01), Gundlach
patent: 3232190 (1966-02-01), Willmott
patent: 3909258 (1975-09-01), Kotz
patent: 3950089 (1976-04-01), Fraser et al.
patent: 4292387 (1981-09-01), Kanbe et al.
IBM Tech. Disc. Bull., p. 1251, vol. 15, No. 4, Sep. 1972.

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