3825896

Information

• Patent Grant
• 3825896

• References
• Source

• Patent Number

  3,825,896

• Date Filed

  Not available

• Date Issued

  Tuesday, July 23, 1974
  50 years ago

• CPC

  • H04B10/802 - for isolation
  • H03K19/017572 - using opto-electronic devices

• US Classifications

  • 398 - Optical communications
  • 250 - Radiant energy