3928787

Information

• Patent Grant
• 3928787

• References
• Source

• Patent Number

  3,928,787

• Date Filed

  Not available

• Date Issued

  Tuesday, December 23, 1975
  49 years ago

• CPC

  • H03K4/83 - using as active elements semiconductor devices with more than two PN junctions or with more than three electrodes or more than one electrode connected to the same conductivity region
  • H04N3/1856 - using regulation in series

• US Classifications

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