3287663

Information

• Patent Grant
• 3287663

• References
• Source

• Patent Number

  3,287,663

• Date Filed

  Not available

• Date Issued

  Tuesday, November 22, 1966
  58 years ago

• CPC

  • H02M7/516 - Self-oscillating arrangements
  • H02M7/515 - using semiconductor devices only
  • H03B11/10 - interrupter being semiconductor device
  • H04M19/02 - providing ringing current or supervisory tones

• US Classifications

  • 331 - Oscillators
  • 327 - Miscellaneous active electrical nonlinear devices, circuits, and systems
  • 361 - Electricity: electrical systems and devices