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IEEE Transactions on Industry Applications | 1977

Triboelectric Charging of Thin Foils and Its Application to a New Recording Principle

Ulf Rothgordt; Hans-Dieter Ing Grad Hinz; Klaus Witter

Measurements on charging of thin foils by intimate contact with metallic electrodes under high pressure have been performed. The influence of an additionally applied electric field has been investigated. The results of these experiments have been taken to develop a device for electrostatic microrecording.


Archive | 1980

Printing device for electrophoretic recording

Hans D. Hinz; Ulf Rothgordt; Herbert Lobl


Archive | 1976

Natural binary to logarithmic binary conversion device with means for range selection

Ulf Rothgordt; Bernd Ehlers; Ernst Bunge; Herbert Piotrowski


Archive | 1975

Logic circuit for grey-tone printer

Ernst Bunge; Ulf Rothgordt; Bernd Ehlers; Herbert Piotrowski


Archive | 1978

Method and arrangement for facsimile picture transmission

Gerhard Renelt; Ulf Rothgordt


Archive | 1977

Method and apparatus for liquid electrostatic development of charge images on a tape-like record carrier

Hans-Dieter Ing Grad Hinz; Ulf Rothgordt; Franz Schinke


Archive | 1977

Method and arrangement for correcting errors in facsimile transmission

Raymond G. G. Schayes; Pieter Homan; Ulf Rothgordt


Archive | 1977

Electrostatic printing device with air cushion guiding

Hans-Dieter Ing Grad Hinz; Ulf Rothgordt


Archive | 1975

Method of and device for electrostatic printing

Gerhard Jost; Ulf Rothgordt; Klaus Witter


Archive | 1969

ELECTROGRAPHICAL PRINTING OR RECORDING DEVICES WHICH EMPLOY COINCIDENT CURRENT DRIVE OF THE PRINT ELECTRODES

Ulf Rothgordt

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