3904979

Information

• Patent Grant
• 3904979

• References
• Source

• Patent Number

  3,904,979

• Date Filed

  Not available

• Date Issued

  Tuesday, September 9, 1975
  49 years ago

• CPC

  • H03F3/3072 - using Darlington transistors
  • H02H3/40 - responsive to ratio of voltage and current
  • H03F1/52 - Circuit arrangements for protecting such amplifiers

• US Classifications

  • 330 - Amplifiers
  • 361 - Electricity: electrical systems and devices