Electrophotographic copying apparatus

Details Electrophotographic copying apparatus Electrophotographic copying apparatus

1975-02-18

1976-11-02

Moses, R. L.

Photocopying

Including fiber optics

96 1R, 340173LS, 355 4, 355 14, G03G 1500

Patent

active

039893642

ABSTRACT:
A sintered body obtained by sintering a mixture of lead monoxide, titanium dioxide, zirconium dioxide and lanthanum oxide under a certain condition, is used as transfer master. The transfer master is subjected to electric polarization in accordance with the original picture to be copied so that a plurality of electrophotographic copies are swiftly produced.

REFERENCES:
patent: 3055006 (1962-09-01), Dreyfoos
patent: 3148354 (1964-09-01), Schaffert
patent: 3659936 (1972-05-01), Klose et al.
patent: 3671231 (1972-06-01), Haas et al.
patent: 3678852 (1972-07-01), Feinleib et al.
patent: 3772011 (1973-11-01), Guevara et al.
patent: 3857635 (1974-12-01), Niehaus
patent: 3868653 (1975-02-01), Winter
patent: 3879197 (1975-04-01), Bartlett et al.
patent: 3888664 (1975-06-01), Carlson et al.
patent: 3891990 (1975-06-01), Wells

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