3870948

Information

• Patent Grant
• 3870948

• References
• Source

• Patent Number

  3,870,948

• Date Filed

  Not available

• Date Issued

  Tuesday, March 11, 1975
  50 years ago

• CPC

  • H03K17/9547 - with variable amplitude
  • H03K17/9502 - Measures for increasing reliability
  • H03K2217/956 - Negative resistance

• US Classifications

  • 324 - Electricity: measuring and testing
  • 331 - Oscillators
  • 340 - Communications: electrical