3439257

Information

• Patent Grant
• 3439257

• References
• Source

• Patent Number

  3,439,257

• Date Filed

  Not available

• Date Issued

  Tuesday, April 15, 1969
  55 years ago

• CPC

  • H01F29/146 - Constructional details
  • H01F19/04 - Transformers or mutual inductances suitable for handling frequencies considerably beyond the audio range
  • H01F29/14 - with variable magnetic bias
  • H03K3/45 - by the use, as active elements, of non-linear magnetic or dielectric devices
  • H03K3/51 - the devices being multi-aperture magnetic cores
  • H01F2029/143 - with control winding for generating magnetic bias

• US Classifications

  • 323 - Electricity: power supply or regulation systems
  • 332 - Modulators