2143812

Information

• Patent Grant
• 2143812

• References
• Source

• Patent Number

  2,143,812

• Date Filed

  Not available

• Date Issued

  Tuesday, January 10, 1939
  86 years ago

• CPC

  • H01F17/04 - with magnetic core
  • H04R9/025 - Magnetic circuit
  • H04R2209/021 - Reduction of eddy currents in the magnetic circuit of electrodynamic loudspeaker transducer
  • H04R2209/022 - Aspects regarding the stray flux internal or external to the magnetic circuit

• US Classifications

  • 334 - Tuners
  • 333 - Wave transmission lines and networks
  • 336 - Inductor devices