3604906

Information

• Patent Grant
• 3604906

• References
• Source

• Patent Number

  3,604,906

• Date Filed

  Not available

• Date Issued

  Tuesday, September 14, 1971
  53 years ago

• CPC

  • G06F11/1616 - where the redundant component is an I/O device or an adapter therefor
  • B07C3/001 - Code converters for keyboards in coding stations
  • G06K5/02 - the verifying forming a part of the marking action

• US Classifications

  • 714 - Error detection/correction and fault detection/recovery
  • 101 - Printing
  • 178 - Telegraphy
  • 341 - Coded data generation or conversion