3894223

Information

• Patent Grant
• 3894223

• References
• Source

• Patent Number

  3,894,223

• Date Filed

  Not available

• Date Issued

  Tuesday, July 8, 1975
  49 years ago

• CPC

  • H03K3/455 - using thin films
  • G06F7/385 - magnetic bubbles
  • G06F7/64 - Digital differential analysers
  • H03K19/168 - using thin-film devices
  • H03K23/76 - using magnetic cores or ferro-electric capacitors

• US Classifications

  • 708 - Electrical computers: arithmetic processing and calculating