3588621

Information

• Patent Grant
• 3588621

• References
• Source

• Patent Number

  3,588,621

• Date Filed

  Not available

• Date Issued

  Monday, June 28, 1971
  53 years ago

• CPC

  • H03K3/26 - by the use, as active elements, of bipolar transistors with internal or external positive feedback
  • G04F5/10 - using electric or electronic resonators
  • H03K17/28 - Modifications for introducing a time delay before switching
  • Y10T307/878 - Electronically controlled relay

• US Classifications

  • 361 - Electricity: electrical systems and devices
  • 307 - Electrical transmission or interconnection systems
  • 331 - Oscillators
  • 968 - Horology