EP 2456229 A1 20120523 - Loudspeaker system and control method
Title (en)
Loudspeaker system and control method
Title (de)
Lautsprechersystem und Steuerverfahren
Title (fr)
Système de haut-parleur et procédé de contrôle
Publication
Application
Priority
EP 10191594 A 20101117
Abstract (en)
A loudspeaker system combines a loudspeaker, a sealed loudspeaker enclosure and a pressure sensor in the sealed enclosure, preferably implemented as a microphone. The signal registered by the microphone within the loudspeaker enclosure is a signal that is directly related to the loudspeaker diaphragm displacement.
IPC 8 full level
H04R 3/00 (2006.01)
CPC (source: EP)
H04R 3/002 (2013.01); H04R 3/007 (2013.01); H04R 29/003 (2013.01)
Citation (search report)
- [X] US 2009028371 A1 20090129 - BAILEY ADAM H [US]
- [X] US 2010172516 A1 20100708 - LASTRUCCI CLAUDIO [IT]
Designated contracting state (EPC)
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated extension state (EPC)
BA ME
DOCDB simple family (publication)
DOCDB simple family (application)
EP 10191594 A 20101117; EP 2011070235 W 20111116