2195486

Information

• Patent Grant
• 2195486

• References
• Source

• Patent Number

  2,195,486

• Date Filed

  Not available

• Date Issued

  Tuesday, April 2, 1940
  84 years ago

• CPC

  • H01J29/36 - Photoelectric screens Charge-storage screens
  • H04N3/04 - having a moving aperture also apertures covered by lenses

• US Classifications

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