3400394

Information

• Patent Grant
• 3400394

• References
• Source

• Patent Number

  3,400,394

• Date Filed

  Not available

• Date Issued

  Tuesday, September 3, 1968
  56 years ago

• CPC

  • G01S13/70 - for range tracking only
  • G01S2007/4069 - involving a RF signal injection
  • G01S2007/4073 - involving an IF signal injection

• US Classifications

  • 342 - Communications: directive radio wave systems and devices
  • 324 - Electricity: measuring and testing