3196439

Information

• Patent Grant
• 3196439

• References
• Source

• Patent Number

  3,196,439

• Date Filed

  Not available

• Date Issued

  Tuesday, July 20, 1965
  59 years ago

• CPC

  • G01S3/46 - using aerials spaced apart and measuring frequency phase or time difference between signals therefrom
  • G01S3/14 - Systems for determining direction or deviation from predetermined direction
  • G01S3/50 - the waves arriving at the aerials being pulse modulated and the time difference of their arrival being measured
  • G01S3/54 - the apparent movement of the aerial being produced by coupling the receiver cyclically and sequentially to each of several fixed spaced aerials

• US Classifications

  • 342 - Communications: directive radio wave systems and devices