3169190

Information

• Patent Grant
• 3169190

• References
• Source

• Patent Number

  3,169,190

• Date Filed

  Not available

• Date Issued

  Tuesday, February 9, 1965
  60 years ago

• CPC

  • H03K23/78 - using opto-electronic devices

• US Classifications

  • 250 - Radiant energy
  • 235 - Registers
  • 340 - Communications: electrical
  • 365 - Static information storage and retrieval