2988709

Information

• Patent Grant
• 2988709

• References
• Source

• Patent Number

  2,988,709

• Date Filed

  Not available

• Date Issued

  Tuesday, June 13, 1961
  63 years ago

• CPC

  • H03K4/54 - using a single semiconductor device with positive feedback through a transformer
  • G01D5/243 - influencing the phase or frequency of ac
  • G01W1/08 - Adaptations of balloons, missiles, or aircraft for meteorological purposes Radiosondes

• US Classifications

  • 331 - Oscillators
  • 324 - Electricity: measuring and testing