3581062

Information

• Patent Grant
• 3581062

• References
• Source

• Patent Number

  3,581,062

• Date Filed

  Not available

• Date Issued

  Tuesday, May 25, 1971
  53 years ago

• CPC

  • G05D23/24 - the sensing element having a resistance varying with temperature
  • G05D23/1909 - whose output amplitude can only take two discrete values
  • G05D23/303 - using a sensing element having a resistance varying with temperature

• US Classifications

  • 219 - Electric heating
  • 392 - Electric resistance heating devices