Image forming apparatus utilizing plural electric field generati

Details Image forming apparatus utilizing plural electric field generati Image forming apparatus utilizing plural electric field generati

1989-01-06

1990-10-16

Moses, R. L.

Coating apparatus

With means to apply electrical and/or radiant energy to work...

With electromagnetic and/or electrostatic removal of...

118679, 355247, 355249, 361227, G03G 1508

Patent

active

049627236

ABSTRACT:
An image forming apparatus for forming a developing powder image onto a recording medium comprising, a chamber for accommodating a developing powder and having an opening confronting the recording medium, first electric field generating device for generating an electric field curtain force in the chamber so as to suspend the developing powder in a cloud and second electric field generating device provided in the vicinity of the opening wherein the suspended developing powder is selectively move the recording medium according to an image signal or an electrostatic latent image.

REFERENCES:
patent: 3962992 (1976-06-01), Takegi et al.
patent: 4431296 (1984-02-01), Haneda et al.
patent: 4450220 (1984-05-01), Haneda et al.
patent: 4527884 (1985-07-01), Nusser
patent: 4792512 (1988-12-01), Haneda et al.

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