3743820

Information

• Patent Grant
• 3743820

• References
• Source

• Patent Number

  3,743,820

• Date Filed

  Not available

• Date Issued

  Tuesday, July 3, 1973
  51 years ago

• CPC

  • G06K7/10871 - randomly oriented data-fields, code-marks therefore
  • G06C27/00 - Computing machines characterised by the structural interrelation of their functional units
  • G06K7/10881 - constructional details of hand-held scanners
  • G06K7/14 - using light without selection of wavelength
  • G06K19/06028 - using bar codes
  • G07G1/10 - mechanically operated

• US Classifications

  • 235 - Registers
  • 714 - Error detection/correction and fault detection/recovery