3806784

Information

• Patent Grant
• 3806784

• References
• Source

• Patent Number

  3,806,784

• Date Filed

  Not available

• Date Issued

  Tuesday, April 23, 1974
  50 years ago

• CPC

  • G05F1/452 - with pulse-burst modulation control
  • G05D23/1913 - delivering a series of pulses
  • 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
  • H02P27/026 - whereby the speed is regulated by measuring the motor speed and comparing it with a given physical value

• US Classifications

  • 323 - Electricity: power supply or regulation systems
  • 318 - Electricity: motive power systems