3378693

Information

• Patent Grant
• 3378693

• References
• Source

• Patent Number

  3,378,693

• Date Filed

  Not available

• Date Issued

  Tuesday, April 16, 1968
  56 years ago

• CPC

  • G04F5/10 - using electric or electronic resonators
  • G04C3/067 - Driving circuits with distinct detecting and driving coils
  • G04C17/0058 - with date indication
  • H03K3/26 - by the use, as active elements, of bipolar transistors with internal or external positive feedback
  • H03K3/281 - using at least two transistors so coupled that the input of one is derived from the output of another
  • H03K3/2828 - in an asymmetrical circuit configuration
  • H03K17/28 - Modifications for introducing a time delay before switching
  • Y10T307/878 - Electronically controlled relay

• US Classifications

  • 307 - Electrical transmission or interconnection systems
  • 327 - Miscellaneous active electrical nonlinear devices, circuits, and systems
  • 331 - Oscillators
  • 361 - Electricity: electrical systems and devices
  • 968 - Horology