EP 2039215 A1 20090325 - ELECTROACOUSTIC TRANSDUCER
Title (en)
ELECTROACOUSTIC TRANSDUCER
Title (de)
ELEKTROAKUSTISCHER WANDLER
Title (fr)
TRANSDUCTEUR ÉLECTROACOUSTIQUE
Publication
Application
Priority
- AT 2007000311 W 20070626
- AT 10822006 A 20060627
Abstract (en)
[origin: WO2008000007A1] An electroacoustic transducer comprising a laser source A and a photoreceiver H, wherein a sound field S is provided, which can be used to modulate the propagation velocity of the laser beam in accordance with the acoustic pressure as the beam passes through the sound field S.
IPC 8 full level
H04R 23/00 (2006.01)
CPC (source: EP US)
H04R 23/008 (2013.01 - EP US)
Citation (search report)
See references of WO 2008000007A1
Designated contracting state (EPC)
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC MT NL PL PT RO SE SI SK TR
Designated extension state (EPC)
AL BA HR MK RS
DOCDB simple family (publication)
WO 2008000007 A1 20080103; AT 505021 A4 20081015; AT 505021 B1 20081015; CN 101480068 A 20090708; EP 2039215 A1 20090325; EP 2039215 B1 20180808; JP 2009542128 A 20091126; US 2009257753 A1 20091015; US 8301029 B2 20121030
DOCDB simple family (application)
AT 2007000311 W 20070626; AT 10822006 A 20060627; CN 200780024294 A 20070626; EP 07763720 A 20070626; JP 2009516812 A 20070626; US 30658307 A 20070626