3680123

Information

• Patent Grant
• 3680123

• References
• Source

• Patent Number

  3,680,123

• Date Filed

  Not available

• Date Issued

  Tuesday, July 25, 1972
  52 years ago

• CPC

  • H03J7/32 - with simultaneous display of received frequencies
  • G01S1/02 - using radio waves
  • H01Q19/062 - for focusing
  • H01Q25/007 - using two or more primary active elements in the focal region of a focusing device

• US Classifications

  • 342 - Communications: directive radio wave systems and devices
  • 343 - Communications: radio wave antennas