Image recording method and apparatus

Details Image recording method and apparatus Image recording method and apparatus

1981-07-27

1984-03-27

Tarcza, Thomas H.

Recorders

Electric recording

Electrochemical

G01D 1506

Patent

active

044397810

ABSTRACT:
A thin toner layer is uniformly formed on a donor member and is brought into contact with a recording electrode to which an image signal is applied, thereby forming a charge pattern in accordance therewith, which is subsequently transferred onto a transfer sheet. The thin toner layer is formed by an applicator disposed close to or in contact with the donor member and including a toner carrier to which a voltage is applied with respect to the donor member. To prevent the background smearing, the recording electrode is provided with a triboelectric charging member or auxiliary electrode, disposed on its surface which is adapted to contact the toner, for charging the toner to the opposite polarity from that of the charging by the recording electrode.

REFERENCES:
patent: 3528073 (1970-09-01), Starr, Jr.
patent: 3701996 (1972-10-01), Perley
patent: 3946402 (1976-03-01), Lunde
patent: 4118710 (1978-10-01), Tomita et al.

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