2213761

Information

• Patent Grant
• 2213761

• References
• Source

• Patent Number

  2,213,761

• Date Filed

  Not available

• Date Issued

  Tuesday, September 3, 1940
  84 years ago

• CPC

  • H01J31/12 - with luminescent screen
  • H01J31/32 - Tubes with image amplification section
  • H01J31/50 - Image-conversion or image-amplification tubes
  • 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
  • H01J2231/50084 - using light or electron beam scanning
  • H01J2231/5056 - magnetic

• US Classifications

  • 313 - Electric lamp and discharge devices