3331012

Information

• Patent Grant
• 3331012

• References
• Source

• Patent Number

  3,331,012

• Date Filed

  Not available

• Date Issued

  Tuesday, July 11, 1967
  57 years ago

• CPC

  • H03G11/02 - by means of diodes
  • G05F1/12 - wherein the variable actually regulated by the final control device is ac
  • G05F1/44 - semiconductor devices only
  • G05F1/652 - using variable impedances in parallel with the load as final control devices
  • H03G1/0047 - using photo-electric elements
  • H03G3/301 - the gain being continuously variable
  • H03G7/06 - having semiconductor devices

• US Classifications

  • 323 - Electricity: power supply or regulation systems
  • 250 - Radiant energy
  • 315 - Electric lamp and discharge devices: systems