3487345

Information

• Patent Grant
• 3487345

• References
• Source

• Patent Number

  3,487,345

• Date Filed

  Not available

• Date Issued

  Tuesday, December 30, 1969
  55 years ago

• CPC

  • G05D23/27541 - using expansible solid
  • G05D23/1912 - whose output amplitude can take more than two discrete values
  • G05D23/24 - the sensing element having a resistance varying with temperature
  • G05D23/26 - the sensing element having a permeability varying with temperature

• US Classifications

  • 335 - Electricity: magnetically operated switches, magnets, and electromagnets
  • 327 - Miscellaneous active electrical nonlinear devices, circuits, and systems