3637290

Information

• Patent Grant
• 3637290

• References
• Source

• Patent Number

  3,637,290

• Date Filed

  Not available

• Date Issued

  Tuesday, January 25, 1972
  53 years ago

• CPC

  • G01S13/587 - using optical means
  • G02B27/46 - Systems using spatial filters

• US Classifications

  • 359 - Optical: systems and elements
  • 342 - Communications: directive radio wave systems and devices