Priority Date: 01.03.12 (CN 2012151672)

VOICE FREQUENCY SIGNAL PROCESSING METHOD AND DEVICE

  • Application ID: EP13754564
  • Status: PATENT GRANTED

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Technology Company

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Specialization

This patent has the IPC class G10 (MUSICAL INSTRUMENTS; ACOUSTICS) is specialized in G10. Here you find a list of all patent agent firms which are specialized in this IPC class. For a similar patent, they might be a good choice.

Timeline

  • 01.03.2012 - Priority Date (CN 2012151672)
  • 06.09.2013 - Publication A1 (WO2013127364)
  • 07.01.2015 - Publication A1 (EP2821993)
  • 10.05.2017 - Publication B1 (EP2821993)

IPC Classification