3501589

Information

• Patent Grant
• 3501589

• References
• Source

• Patent Number

  3,501,589

• Date Filed

  Not available

• Date Issued

  Tuesday, March 17, 1970
  55 years ago

• CPC

  • H04N3/185 - Maintaining dc voltage constant
  • G05F1/52 - using discharge tubes in series with the load as final control devices

• US Classifications

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