3777274

Information

• Patent Grant
• 3777274

• References
• Source

• Patent Number

  3,777,274

• Date Filed

  Not available

• Date Issued

  Tuesday, December 4, 1973
  51 years ago

• CPC

  • H03H9/02976 - with semiconductor devices
  • H03F13/00 - Amplifiers using amplifying element consisting of two mechanically- or acoustically-coupled transducers
  • H03H9/02787 - having wave guide like arrangements
  • H03H9/6403 - Programmable filters

• US Classifications

  • 330 - Amplifiers
  • 333 - Wave transmission lines and networks