3751635

Information

• Patent Grant
• 3751635

• References
• Source

• Patent Number

  3,751,635

• Date Filed

  Not available

• Date Issued

  Tuesday, August 7, 1973
  51 years ago

• CPC

  • G05F1/452 - with pulse-burst modulation control
  • G05D23/1912 - whose output amplitude can take more than two discrete values
  • G05D23/24 - the sensing element having a resistance varying with temperature
  • H02M1/083 - for the ignition at the zero crossing of the voltage or the current

• US Classifications

  • 219 - Electric heating