3795791

Information

• Patent Grant
• 3795791

• References
• Source

• Patent Number

  3,795,791

• Date Filed

  Not available

• Date Issued

  Tuesday, March 5, 1974
  50 years ago

• CPC

  • H04L17/08 - combined with perforating apparatus
  • G06K5/00 - Methods or arrangements for verifying the correctness of markings on a record carrier Column detection devices
  • H04L1/00 - Arrangements for detecting or preventing errors in the information received

• US Classifications

  • 714 - Error detection/correction and fault detection/recovery
  • 234 - Selective cutting