2513911

Information

• Patent Grant
• 2513911

• References
• Source

• Patent Number

  2,513,911

• Date Filed

  Not available

• Date Issued

  Tuesday, July 4, 1950
  74 years ago

• CPC

  • H03K29/06 - using beam-type tubes
  • H04L9/28 - using particular encryption algorithm
  • H04L2209/16 - Obfuscation or hiding

• US Classifications

  • 380 - Cryptography
  • 178 - Telegraphy
  • 327 - Miscellaneous active electrical nonlinear devices, circuits, and systems