3827042

Information

• Patent Grant
• 3827042

• References
• Source

• Patent Number

  3,827,042

• Date Filed

  Not available

• Date Issued

  Tuesday, July 30, 1974
  50 years ago

• CPC

  • G09F9/307 - being incandescent filaments
  • H05B39/044 - continuously
  • Y02B20/146 - for phase control dimming

• US Classifications

  • 345 - Computer graphics processing and selective visual display systems