3506874

Information

• Patent Grant
• 3506874

• References
• Source

• Patent Number

  3,506,874

• Date Filed

  Not available

• Date Issued

  Tuesday, April 14, 1970
  54 years ago

• CPC

  • H01J29/41 - using secondary emission
  • H01J31/36 - Tubes with image amplification section
  • H01J31/60 - having means for deflecting, either selectively or sequentially, an electron ray on to separate surface elements of the screen

• US Classifications

  • 315 - Electric lamp and discharge devices: systems