3609447

Information

• Patent Grant
• 3609447

• References
• Source

• Patent Number

  3,609,447

• Date Filed

  Not available

• Date Issued

  Tuesday, September 28, 1971
  53 years ago

• CPC

  • H04N3/1853 - using regulation in parallel

• US Classifications

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