3927280

Information

• Patent Grant
• 3927280

• References
• Source

• Patent Number

  3,927,280

• Date Filed

  Not available

• Date Issued

  Tuesday, December 16, 1975
  49 years ago

• CPC

  • H04B3/16 - characterised by the negative-impedance network used

• US Classifications

  • 379 - Telephonic communications
  • 333 - Wave transmission lines and networks