AC Corona to remove background from the transfer member of a the

Agent for magnetographic printers and use of such an agent

Apparatus and method for driving a magnetic print head

Apparatus and method for recording characters so as to enable re

Apparatus for preventing removal of toner from transferred image

Apparatus for separating and recovering solid developer particle

Cleaning apparatus for a magnetographic recording head

Combination of magnetic card and printing apparatus therefor

Constant wavelength magnetic recording

Crossed-element magnetographic print head

Deformographic storage display system

Device for and method of viewing magnetic pattern recorded...

Device for continuous electrostatic reproduction of an optical i

Device for erasing a record carrier recorded by magnetic fields

Device for forming latent magnetic images on the recording eleme

Device for reintroducing solid developer particles separated fro

Dielectrographic recording apparatus and method

Differential-permeability field-concentrating magnetic read/writ

Direct current bias fields for magnetic printing

Display device utilizing magnetic storage