Xerox Corporation

Michael E Weber

Fred F Hubble, Iii

Michael G Swales

Raphael F Bov, Jr

Gerald Abowitz

Paul W Eakin

A printing machine in which magnetically permeable marking particles develop a latent image recorded on a photoconductive member. A read head is positioned on the opposite of the photoconductive member to detect magnetic field intensity effects produced by the leading edge and the trailing edge of the marking particles on the characters recorded. The detected signals are used to control the magnetic quality of the developed image.

Method and apparatus for sensing magnetic signal strength of

A magnetic ink monitoring system is provided including a reader which outputs an electrical signal representative of a magnetic flux, a storage mechanism which stores an integral representation of a signal from a standard magnetic ink display, and a comparator operatively connected to the read means and the storage means to compare an integral signal of the electrical signal of the magnetic ink display to the integral representation of a signal from a standard magnetic ink character.

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Penfield, NY, United States of America

Michael E Weber