(under subclass 296) Subject matter wherein the picture is created by selectively applying a varying charge pattern to the record carrier in accordance with the picture signal and
permanently affixing charged toner particles in amounts dependent on the charge, or by transmitting a current through the record carrier to selectively discolor the record.
SEE OR SEARCH CLASS
346, Recorders,
150.3, for electrochemical recording of phenomenal information.
347, Incremental Printing of Symbolic Information,
112+, and 163+ for electrostatic marking and electrochemical marking respectively.
399, Electrophotography, 9+, for diagnostics, subclasses 38+ for controls, subclasses 130+ for image formation, subclasses 168+ for charging, subclasses 177+ for exposure, subclasses 222+ for development, subclasses 297+ for transfer, subclasses 320+ for fixing, subclasses 343+ for cleaning, and subclasses 361+ for document handling.