3858208

Information

• Patent Grant
• 3858208

• References
• Source

• Patent Number

  3,858,208

• Date Filed

  Not available

• Date Issued

  Tuesday, December 31, 1974
  50 years ago

• CPC

  • H01Q1/28 - Adaptation for use in or on aircraft, missiles, satellites, or balloons
  • G01S13/106 - using transmission of pulses having some particular characteristics
  • G01S13/12 - wherein the pulse-recurrence frequency is varied to provide a desired time relationship between the transmission of a pulse and the receipt of the echo of a preceding pulse
  • G01S13/524 - based upon the phase or frequency shift resulting from movement of objects, with reference to the transmitted signals
  • G01S13/528 - with elimination of blind speeds
  • G01S13/66 - Radar-tracking systems Analogous systems where the wavelength or the kind of wave is irrelevant
  • G01S13/70 - for range tracking only
  • G01S13/87 - Combinations of radar systems
  • G01S13/872 - Combinations of primary radar and secondary radar
  • H01Q25/00 - Aerials or aerial systems providing at least two radiating patterns

• US Classifications

  • 342 - Communications: directive radio wave systems and devices