3902398

Information

• Patent Grant
• 3902398

• References
• Source

• Patent Number

  3,902,398

• Date Filed

  Not available

• Date Issued

  Tuesday, September 2, 1975
  49 years ago

• CPC

  • G10H1/46 - Volume control
  • G10H1/04 - by additional modulation
  • Y10S84/19 - Light sensitive resistor

• US Classifications

  • 084 - Music
  • 333 - Wave transmission lines and networks
  • 381 - Electrical audio signal processing systems and devices
  • 984 - Musical instruments