Patent · US Expired

Magnetic image character recognition processes with encapsulated toners

US5780190A · kind A · utility

15Cited by
21References
39Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 4, 1989
Grant dateJul 14, 1998
Priority date
Expiry dateDec 4, 2009

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG03G2215/0013
  • WIPO fieldOptics
  • WIPO sectorInstruments

Abstract

An ionographic process which comprises the generation of a latent image comprised of characters; developing the image with an encapsulated magnetic toner comprised of a core comprised of a polymer and magnetite and wherein the core is encapsulated within a polymeric shell; and subsequently providing the developed image with magnetic ink characters thereon to a reader/sorter device.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.