3684940

Information

• Patent Grant
• 3684940

• References
• Source

• Patent Number

  3,684,940

• Date Filed

  Not available

• Date Issued

  Tuesday, August 15, 1972
  53 years ago

• CPC

  • G05D3/1427 - with non-linear amplifier chain
  • H03F1/0244 - Stepped control
  • H03F3/211 - using a combination of several amplifiers

• US Classifications

  • 318 - Electricity: motive power systems