Electrostatic recording apparatus for selectively transferring a

Details Electrostatic recording apparatus for selectively transferring a Electrostatic recording apparatus for selectively transferring a

1991-09-05

1993-03-30

Fuller, Benjamin R.

Recorders

Electric recording

Electrochemical

3461531, 346159, 3461601, G01D 1506

Patent

active

051988399

ABSTRACT:
An electrostatic recording apparatus includes a magnet roll for conveying a developing agent along a predetermined developing agent convey path. A plurality of recording electrodes are arranged to oppose the magnet roll and along the developing agent convey path. An opposite electrode has a portion opposing the plurality of recording electrodes and is arranged with a predetermined gap from the plurality of recording electrodes. A voltage applying unit applies a recording voltage corresponding to supplied dot recording information to each of the plurality of recording electrodes to generate a transferring electric field for transferring the developing agent to the opposite electrode between the opposite electrode and the plurality of recording electrodes, thereby forming a dot recording image corresponding to the dot recording information on the opposite electrode. The voltage applying unit applies, between the plurality of recording electrodes and the opposite electrode, a recovering electric field for recovering a part of the developing agent transferred on the opposite electrode to the plurality of recording electrodes within one-dot recording period in which one dot of the dot recording information is recorded in the conveying direction of the developing agent.

REFERENCES:
patent: 4118710 (1978-10-01), Tomita et al.
patent: 4123762 (1978-10-01), Tomita et al.
patent: 4366491 (1982-12-01), Ohnishi et al.
patent: 4394671 (1983-07-01), Erickson
patent: 4544934 (1985-10-01), Owada et al.
patent: 4831394 (1989-05-01), Ochiai et al.
patent: 5093676 (1992-03-01), Matsubara et al.

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