EP 1036484 A1 20000920 - RESONANT MODE PANEL-LOUDSPEAKERS
Title (en)
RESONANT MODE PANEL-LOUDSPEAKERS
Title (de)
RESONANZ-WELLENTYP PANEELLAUTSPRECHER
Title (fr)
HAUT-PARLEURS DU TYPE PANNEAU A MODE RESONNANT
Publication
Application
Priority
- GB 9803131 W 19981016
- GB 9722079 A 19971021
Abstract (en)
[origin: WO9921397A1] A resonant panel-form loudspeaker characterised by suspension means located in at least one panel region of low average velocity. A method of making a resonant panel acoustic device characterised by locating at least one panel region of low average velocity and positioning suspension means within the said region(s). The method may comprise delineating an acoustically active area of a larger panel, e.g. a motor vehicle decorative trim panel, by grooving or slotting the panel in panel regions of low average velocity.
IPC 1-7
IPC 8 full level
H04R 9/06 (2006.01); H04R 1/02 (2006.01); H04R 7/04 (2006.01); H04R 7/06 (2006.01)
CPC (source: EP KR)
H04R 7/045 (2013.01 - EP); H04R 7/06 (2013.01 - KR)
Designated contracting state (EPC)
AT BE DE DK ES FI FR GB IE IT NL PT SE
DOCDB simple family (publication)
WO 9921397 A1 19990429; AT E266301 T1 20040515; AU 9548498 A 19990510; BR 9812949 A 20000808; CA 2303789 A1 19990429; CN 1271508 A 20001025; DE 69823695 D1 20040609; EP 1036484 A1 20000920; EP 1036484 B1 20040506; GB 9722079 D0 19971217; HK 1027251 A1 20010105; IL 135677 A0 20010520; JP 2001521353 A 20011106; KR 20010031264 A 20010416; TW 410526 B 20001101
DOCDB simple family (application)
GB 9803131 W 19981016; AT 98949102 T 19981016; AU 9548498 A 19981016; BR 9812949 A 19981016; CA 2303789 A 19981016; CN 98809523 A 19981016; DE 69823695 T 19981016; EP 98949102 A 19981016; GB 9722079 A 19971021; HK 00106173 A 20000928; IL 13567798 A 19981016; JP 2000517579 A 19981016; KR 20007004251 A 20000420; TW 87117887 A 19981028