1904485

Information

• Patent Grant
• 1904485

• References
• Source

• Patent Number

  1,904,485

• Date Filed

  Not available

• Date Issued

  Tuesday, April 18, 1933
  91 years ago

• CPC

  • H02P13/12 - by varying magnetic bias
  • G05F1/32 - using magnetic devices having a controllable degree of saturation as final control devices
  • G05F1/34 - combined with discharge tubes or semiconductor devices
  • H05B37/02 - Controlling

• US Classifications

  • 323 - Electricity: power supply or regulation systems
  • 066 - Textiles: knitting
  • 307 - Electrical transmission or interconnection systems
  • 315 - Electric lamp and discharge devices: systems
  • 340 - Communications: electrical
  • 363 - Electric power conversion systems