3798648

Information

• Patent Grant
• 3798648

• References
• Source

• Patent Number

  3,798,648

• Date Filed

  Not available

• Date Issued

  Tuesday, March 19, 1974
  51 years ago

• CPC

  • G01S3/465 - the waves arriving at the aerials being frequency modulated and the frequency difference of signals therefrom being measured
  • G01S3/52 - using a receiving aerial moving, or appearing to move, in a cyclic path to produce a Doppler variation of frequency of the received signal

• US Classifications

  • 342 - Communications: directive radio wave systems and devices