3678416

Information

• Patent Grant
• 3678416

• References
• Source

• Patent Number

  3,678,416

• Date Filed

  Not available

• Date Issued

  Tuesday, July 18, 1972
  53 years ago

• CPC

  • H03H11/0405 - Non-linear filters
  • G11B5/00 - Recording by magnetisation or demagnetisation of a record carrier Reproducing by magnetic means Record carriers therefor
  • H03G3/345 - Muting during a short period of time when noise pulses are detected
  • H03G5/16 - Automatic control
  • H03G5/18 - in untuned amplifiers
  • H03G9/025 - frequency-dependent volume compression or expansion
  • H03G11/08 - Limiting rate of change of amplitude

• US Classifications

  • 333 - Wave transmission lines and networks
  • 327 - Miscellaneous active electrical nonlinear devices, circuits, and systems
  • 369 - Dynamic information storage or retrieval
  • 381 - Electrical audio signal processing systems and devices