3907197

Information

• Patent Grant
• 3907197

• References
• Source

• Patent Number

  3,907,197

• Date Filed

  Not available

• Date Issued

  Tuesday, September 23, 1975
  49 years ago

• CPC

  • G06K7/10871 - randomly oriented data-fields, code-marks therefore
  • B61L25/041 - using reflecting tags

• US Classifications

  • 235 - Registers
  • 250 - Radiant energy
  • 359 - Optical: systems and elements