3623545

Information

• Patent Grant
• 3623545

• References
• Source

• Patent Number

  3,623,545

• Date Filed

  Not available

• Date Issued

  Tuesday, November 30, 1971
  53 years ago

• CPC

  • G05D23/303 - using a sensing element having a resistance varying with temperature
  • G05D23/1912 - whose output amplitude can take more than two discrete values
  • G05D23/24 - the sensing element having a resistance varying with temperature
  • Y10T307/469 - Condition responsive

• US Classifications

  • 165 - Heat exchange
  • 219 - Electric heating
  • 236 - Automatic temperature and humidity regulation
  • 307 - Electrical transmission or interconnection systems