2504972

Information

• Patent Grant
• 2504972

• References
• Source

• Patent Number

  2,504,972

• Date Filed

  Not available

• Date Issued

  Tuesday, April 25, 1950
  74 years ago

• CPC

  • H04N7/084 - with signal insertion during the horizontal blanking interval only
  • H01J31/30 - having regulation of screen potential at anode potential

• US Classifications

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