2997707

Information

• Patent Grant
• 2997707

• References
• Source

• Patent Number

  2,997,707

• Date Filed

  Not available

• Date Issued

  Tuesday, August 22, 1961
  63 years ago

• CPC

  • B41C1/02 - Engraving Heads therefor
  • B41D7/04 - Forming printing surfaces by covering printing forms with a thin elastic skin
  • G01S7/2926 - by integration
  • G01S13/52 - Discriminating between fixed and moving objects or between objects moving at different speeds
  • G01S13/524 - based upon the phase or frequency shift resulting from movement of objects, with reference to the transmitted signals
  • G01S13/534 - based upon amplitude or phase shift resulting from movement of objects, with reference to the surrounding clutter echo signal

• US Classifications

  • 342 - Communications: directive radio wave systems and devices