3740474

Information

• Patent Grant
• 3740474

• References
• Source

• Patent Number

  3,740,474

• Date Filed

  Not available

• Date Issued

  Tuesday, June 19, 1973
  51 years ago

• CPC

  • H04N3/1856 - using regulation in series
  • H02M3/315 - using semiconductor devices only
  • 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

• US Classifications

  • 348 - Television