3670178

Information

• Patent Grant
• 3670178

• References
• Source

• Patent Number

  3,670,178

• Date Filed

  Not available

• Date Issued

  Tuesday, June 13, 1972
  52 years ago

• CPC

  • H02H11/002 - in case of inverted polarity or connection; with switching for obtaining correct connection
  • H02H9/04 - responsive to excess voltage
  • H03K3/281 - using at least two transistors so coupled that the input of one is derived from the output of another
  • H03K17/16 - Modifications for eliminating interference voltages or currents
  • H03K17/955 - using a capacitive detector

• US Classifications

  • 361 - Electricity: electrical systems and devices
  • 327 - Miscellaneous active electrical nonlinear devices, circuits, and systems
  • 330 - Amplifiers