3720821

Information

• Patent Grant
• 3720821

• References
• Source

• Patent Number

  3,720,821

• Date Filed

  Not available

• Date Issued

  Tuesday, March 13, 1973
  52 years ago

• CPC

  • G06F7/501 - Half or full adders
  • H03K3/2885 - the input circuit having a differential configuration
  • H03K19/0813 - Threshold logic
  • G06F2207/4818 - Threshold devices

• US Classifications

  • 708 - Electrical computers: arithmetic processing and calculating
  • 326 - Electronic digital logic circuitry