2153614

Information

• Patent Grant
• 2153614

• References
• Source

• Patent Number

  2,153,614

• Date Filed

  Not available

• Date Issued

  Tuesday, April 11, 1939
  86 years ago

• CPC

  • H01J31/503 - with an electromagnetic electron-optic system
  • H01J29/64 - Magnetic lenses
  • H01J29/66 - using electromagnetic means only
  • H01J29/68 - using permanent magnets only
  • H01J31/52 - having grid-like image screen through which the electron ray or beam passes and by which the ray or beam is influenced before striking the luminescent output screen

• US Classifications

  • 313 - Electric lamp and discharge devices