METHOD AND APPARATUS FOR ELECTROSTATIC PRINTING ON DIELECTRIC MATERIAL

摘要

1464421 Selective printing LA CELLOPHANE 2 April 1974 [3 April 1973 14 March 1974] 14616/74 Heading B6F An electrostatic printer comprises means applying a uniform electrostatic field to the reverse side of the recording medium 4 before passing the recording electrodes 10. The uniform field may be applied by an endless belt 1 which is charged at 3 by corona discharge or triboelectricity and is brought into contact with the recording medium upstream of the electrodes 10.