3697800

Information

• Patent Grant
• 3697800

• References
• Source

• Patent Number

  3,697,800

• Date Filed

  Not available

• Date Issued

  Tuesday, October 10, 1972
  53 years ago

• CPC

  • H04N3/20 - Prevention of damage to cathode-ray tubes in the event of failure of scanning
  • H04N3/1856 - using regulation in series

• US Classifications

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