EP 2143299 B1 20120125 - MEMBRANE OR MEMBRANE ARRANGEMENT FOR AN ELECTRODYNAMIC SOUND TRANSDUCER, AND LOUDSPEAKER COMPRISING SUCH A MEMBRANE OR MEMBRANE ARRANGEMENT
Title (en)
MEMBRANE OR MEMBRANE ARRANGEMENT FOR AN ELECTRODYNAMIC SOUND TRANSDUCER, AND LOUDSPEAKER COMPRISING SUCH A MEMBRANE OR MEMBRANE ARRANGEMENT
Title (de)
MEMBRAN BZW. MEMBRAN-ANORDNUNG FÜR EINEN ELEKTRODYNAMISCHEN SCHALLWANDLER BZW. LAUTSPRECHER MIT EINER DERARTIGEN MEMBRAN ODER MEMBRAN-ANORDNUNG
Title (fr)
MEMBRANE OU ENSEMBLE MEMBRANE POUR UN TRANSDUCTEUR ACOUSTIQUE ÉLECTRODYNAMIQUE ET HAUT-PARLEUR COMPRENANT UNE TELLE MEMBRANE OU UN TEL ENSEMBLE MEMBRANE
Publication
Application
Priority
- EP 2008003517 W 20080430
- DE 102007020847 A 20070502
Abstract (en)
[origin: US2010098271A1] A membrane for an electrodynamic sound transducer, particularly a membrane for an AMT loudspeaker, has a meandering shape and is disposed in an air gap between two pole plates. The membrane has a plurality of opposite flanks and a plurality of wave crests and/or wave troughs. In order to avoid parasitic oscillations, at least one supporting element is provided which stabilizes the position and/or the orientation of at least one wave crest and/or wave trough.
IPC 8 full level
CPC (source: EP US)
H04R 1/323 (2013.01 - EP US); H04R 9/048 (2013.01 - EP US); H04R 1/24 (2013.01 - EP US); H04R 7/14 (2013.01 - EP US)
Citation (examination)
- WO 9820705 A1 19980514 - CERWIN VEGA INC [US], et al
- DE 2003950 A1 19700910 - HEIL OSKAR
- US 4056697 A 19771101 - HEIL OSKAR
Designated contracting state (EPC)
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MT NL NO PL PT RO SE SI SK TR
DOCDB simple family (publication)
US 2010098271 A1 20100422; US 8208678 B2 20120626; AT E543344 T1 20120215; DE 102007020847 A1 20081106; DE 102007020847 B4 20091126; DE 112008001166 A5 20100506; EP 2143299 A1 20100113; EP 2143299 B1 20120125; ES 2380273 T3 20120510; WO 2008135221 A1 20081113
DOCDB simple family (application)
US 61074009 A 20091102; AT 08749264 T 20080430; DE 102007020847 A 20070502; DE 112008001166 T 20080430; EP 08749264 A 20080430; EP 2008003517 W 20080430; ES 08749264 T 20080430