Patent · US Expired

OCR/Variable head slot reader

US4396902A · kind A · utility

167Cited by
11References
6Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 7, 1980
Grant dateAug 2, 1983
Priority date
Expiry dateJul 7, 2000

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG06K13/08
  • WIPO fieldComputer technology
  • WIPO sectorElectrical engineering

Abstract

A reading device which uses both optical character recognition techniques and magnetic reading are combined in a reader wherein the magnetic reading head stays at a fixed position while the optical reading aperture may be varied to accomodate different documents. The slot through which checks, credit cards or other similar documents are passed is movable vertically to adapt to different media from which information is to be read.

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