Patent · US Expired

Code reading device

US5036183A · kind A · utility

15Cited by
2References
2Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 5, 1989
Grant dateJul 30, 1991
Priority date
Expiry dateMay 5, 2009

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG06K7/1486
  • WIPO fieldComputer technology
  • WIPO sectorElectrical engineering

Abstract

There is disclosed a bar code reading device that can highly accurately read bar codes. Threshold values are established for correct identification of bar codes without being affected by blots on and unevenness of the bar code carrying surface and unstable maneuvering operations of the bar code reading device.

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