2939140

Information

• Patent Grant
• 2939140

• References
• Source

• Patent Number

  2,939,140

• Date Filed

  Not available

• Date Issued

  Tuesday, May 31, 1960
  64 years ago

• CPC

  • G01S3/08 - Means for reducing polarisation errors
  • H01Q21/06 - Arrays of individually energised active aerial units similarly polarised and spaced apart
  • H01Q21/24 - Combinations of aerial elements or aerial units polarised in different directions for transmitting or receiving circularly and elliptically polarised waves or waves linearly polarised in any direction

• US Classifications

  • 343 - Communications: radio wave antennas