2778885

Information

• Patent Grant
• 2778885

• References
• Source

• Patent Number

  2,778,885

• Date Filed

  Not available

• Date Issued

  Tuesday, January 22, 1957
  68 years ago

• CPC

  • H03K17/567 - Circuits characterised by the use of more than one type of semiconductor device
  • H01L29/00 - Semiconductor devices adapted for rectifying, amplifying, oscillating or switching, or capacitors or resistors with at least one potential-jump barrier or surface barrier
  • H03F3/14 - with amplifying devices having more than three electrodes or more than two PN junctions
  • H03F3/16 - with field-effect devices
  • H03F3/165 - with junction-FET's
  • H03K3/35 - by the use, as active elements, of bipolar semiconductor devices with more than two PN junctions, or more than three electrodes, or more than one electrode connected to the same conductivity region
  • H03K3/353 - by the use, as active elements, of field-effect transistors with internal or external positive feedback

• US Classifications

  • 330 - Amplifiers
  • 257 - Active solid-state devices
  • 327 - Miscellaneous active electrical nonlinear devices, circuits, and systems