2591919

Information

• Patent Grant
• 2591919

• References
• Source

• Patent Number

  2,591,919

• Date Filed

  Not available

• Date Issued

  Tuesday, April 8, 1952
  73 years ago

• CPC

  • H01J31/02 - having one or more output electrodes which may be impacted selectively by the ray or beam, and onto, from, or over which the ray or beam may be deflected or de-focused
  • G01S1/02 - using radio waves
  • G01S13/524 - based upon the phase or frequency shift resulting from movement of objects, with reference to the transmitted signals

• US Classifications

  • 342 - Communications: directive radio wave systems and devices
  • 315 - Electric lamp and discharge devices: systems
  • 324 - Electricity: measuring and testing