3668539

Information

• Patent Grant
• 3668539

• References
• Source

• Patent Number

  3,668,539

• Date Filed

  Not available

• Date Issued

  Tuesday, June 6, 1972
  52 years ago

• CPC

  • G05B1/02 - for comparing analogue signals
  • H03F1/302 - in bipolar transistor amplifiers
  • H03F3/343 - with semiconductor devices only

• US Classifications

  • 330 - Amplifiers