3878358

Information

• Patent Grant
• 3878358

• References
• Source

• Patent Number

  3,878,358

• Date Filed

  Not available

• Date Issued

  Tuesday, April 15, 1975
  49 years ago

• CPC

  • H02M7/1557 - with automatic control of the output voltage or current
  • G05D23/1913 - delivering a series of pulses
  • G05D23/24 - the sensing element having a resistance varying with temperature
  • G05F1/452 - with pulse-burst modulation control

• US Classifications

  • 219 - Electric heating
  • 323 - Electricity: power supply or regulation systems