3649917

Information

• Patent Grant
• 3649917

• References
• Source

• Patent Number

  3,649,917

• Date Filed

  Not available

• Date Issued

  Tuesday, March 14, 1972
  52 years ago

• CPC

  • H03B5/1823 - the active element in the amplifier being a semiconductor device
  • G01W1/08 - Adaptations of balloons, missiles, or aircraft for meteorological purposes Radiosondes
  • H03B2201/015 - the element being a cavity
  • H03C3/145 - by using semiconductor elements
  • H03C3/16 - in which the active element simultaneously serves as the active element of an oscillator

• US Classifications

  • 455 - Telecommunications
  • 331 - Oscillators