3569621

Information

• Patent Grant
• 3569621

• References
• Source

• Patent Number

  3,569,621

• Date Filed

  Not available

• Date Issued

  Tuesday, March 9, 1971
  53 years ago

• CPC

  • H04N5/141 - Beam current control means
  • H04N3/20 - Prevention of damage to cathode-ray tubes in the event of failure of scanning

• US Classifications

  • 348 - Television