3457493

Information

• Patent Grant
• 3457493

• References
• Source

• Patent Number

  3,457,493

• Date Filed

  Not available

• Date Issued

  Tuesday, July 22, 1969
  56 years ago

• CPC

  • G01K7/24 - in a specially-adapted circuit
  • G01L1/225 - Measuring circuits therefor
  • G05F1/46 - wherein the variable actually regulated by the final control device is dc
  • Y10T307/352 - With control of magnitude of current or power
  • Y10T307/422 - Constant magnitude control
  • Y10T307/565 - Fixed or predetermined ratio
  • Y10T307/593 - Constant load or current

• US Classifications

  • 323 - Electricity: power supply or regulation systems
  • 073 - Measuring and testing
  • 307 - Electrical transmission or interconnection systems
  • 374 - Thermal measuring and testing