2478759

Information

• Patent Grant
• 2478759

• References
• Source

• Patent Number

  2,478,759

• Date Filed

  Not available

• Date Issued

  Tuesday, August 9, 1949
  75 years ago

• CPC

  • G01S1/22 - the synchronised signals being frequency modulations on carrier waves and the transit times being compared by measuring difference of instantaneous frequencies of received carrier waves

• US Classifications

  • 342 - Communications: directive radio wave systems and devices