2440735

Information

• Patent Grant
• 2440735

• References
• Source

• Patent Number

  2,440,735

• Date Filed

  Not available

• Date Issued

  Tuesday, May 4, 1948
  76 years ago

• CPC

  • H01J29/89 - Optical or photographic arrangements structurally combined or co-operating with the vessel
  • H01J31/28 - with electron ray scanning the image screen
  • H01J31/30 - having regulation of screen potential at anode potential
  • H01J31/48 - Tubes with amplification of output effected by electron multiplier arrangements within the vacuum space
  • H01J2229/893 - using lenses

• US Classifications

  • 313 - Electric lamp and discharge devices
  • 348 - Television