Priority Date: 28.06.12 (CN 20121224441)

ECHO CONTROL THROUGH HIDDEN AUDIO SIGNALS

  • Application ID: EP13733538
  • Status: The patent has been granted

Applicant

Attorney

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Specialization

This EP application has the IPC class H04 (ELECTRIC COMMUNICATION TECHNIQUE). Dolby International AB is specialized in H04. 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

  • 28.06.2012 - Priority Date (CN 20121224441)
  • 03.01.2014 - Publication A1 (WO2014004790)
  • 06.05.2015 - Publication A1 (EP2868073)
  • 13.09.2017 - Publication B1 (EP2868073)

IPC Classification