3643103

Information

• Patent Grant
• 3643103

• References
• Source

• Patent Number

  3,643,103

• Date Filed

  Not available

• Date Issued

  Tuesday, February 15, 1972
  52 years ago

• CPC

  • G06K21/04 - in which coincidence of markings is sensed optically
  • G06K7/10841 - Particularities of the light-sensitive elements

• US Classifications

  • 250 - Radiant energy