2724831

Information

• Patent Grant
• 2724831

• References
• Source

• Patent Number

  2,724,831

• Date Filed

  Not available

• Date Issued

  Tuesday, November 22, 1955
  69 years ago

• CPC

  • G01S13/46 - Indirect determination of position data
  • 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