2377972

Information

• Patent Grant
• 2377972

• References
• Source

• Patent Number

  2,377,972

• Date Filed

  Not available

• Date Issued

  Tuesday, June 12, 1945
  79 years ago

• CPC

  • H04N5/228 - Circuit details for pick-up tubes
  • H01J31/34 - having regulation of screen potential at cathode potential
  • H01J31/48 - Tubes with amplification of output effected by electron multiplier arrangements within the vacuum space

• US Classifications

  • 348 - Television
  • 313 - Electric lamp and discharge devices
  • 315 - Electric lamp and discharge devices: systems