2207691

Information

• Patent Grant
• 2207691

• References
• Source

• Patent Number

  2,207,691

• Date Filed

  Not available

• Date Issued

  Tuesday, July 9, 1940
  84 years ago

• CPC

  • H03J7/14 - Controlling the magnetic state of inductor cores
  • H03D3/16 - by means of electromechanical resonators
  • H03J7/04 - where the frequency control is accomplished by varying the electrical characteristics of a non-mechanically adjustable element or where the nature of the frequency controlling element is not significant

• US Classifications

  • 329 - Demodulators
  • 310 - Electrical generator or motor structure
  • 331 - Oscillators
  • 332 - Modulators
  • 333 - Wave transmission lines and networks
  • 340 - Communications: electrical