EP 0847662 B1 19990310 - LOUDSPEAKERS COMPRISING PANEL-FORM ACOUSTIC RADIATING ELEMENTS
Title (en)
LOUDSPEAKERS COMPRISING PANEL-FORM ACOUSTIC RADIATING ELEMENTS
Title (de)
LAUTSPRECHER MIT PANEELFÖRMIGEN AKUSTISCHEN ABSTRAHLELEMENTEN
Title (fr)
HAUT-PARLEURS
Publication
Application
Priority
- GB 9602153 W 19960902
- GB 9517918 A 19950902
- GB 9522281 A 19951031
- GB 9606836 A 19960330
Abstract (en)
[origin: WO9709843A1] A ceiling tile (36) for a suspended ceiling and incorporating a loudspeaker (81) characterised in that the tile is in the form of a distributed mode acoustic radiator (2), and by a transducer (9) mounted wholly and exclusively on the radiator to vibrate the radiator to cause it to resonate.
IPC 1-7
IPC 8 full level
H04R 1/00 (2006.01); H04R 1/02 (2006.01); H04R 1/22 (2006.01); H04R 7/04 (2006.01); H04R 9/06 (2006.01)
CPC (source: EP)
H04R 1/025 (2013.01); H04R 7/045 (2013.01); H04R 2201/021 (2013.01)
Designated contracting state (EPC)
AT BE CH DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE
DOCDB simple family (publication)
WO 9709843 A1 19970313; AT E177576 T1 19990315; AU 6881096 A 19970327; AU 703071 B2 19990311; BR 9610450 A 19990615; CA 2230053 A1 19970313; DE 69601725 D1 19990415; DE 69601725 T2 19990916; DK 0847662 T3 19990927; EA 002109 B1 20011224; EA 199800253 A1 19981029; EP 0847662 A1 19980617; EP 0847662 B1 19990310; ES 2131407 T3 19990716; HK 1008640 A1 19990514; HU P9900181 A2 19990528; HU P9900181 A3 20010828; IL 123484 A0 19980924; IL 123484 A 20001206; JP H11514509 A 19991207; NZ 316552 A 19980527; PL 182618 B1 20020228; PL 325272 A1 19980720; RO 119040 B1 20040227; SK 25798 A3 19980909; TR 199800358 T1 19980521
DOCDB simple family (application)
GB 9602153 W 19960902; AT 96929395 T 19960902; AU 6881096 A 19960902; BR 9610450 A 19960902; CA 2230053 A 19960902; DE 69601725 T 19960902; DK 96929395 T 19960902; EA 199800253 A 19960902; EP 96929395 A 19960902; ES 96929395 T 19960902; HK 98109442 A 19980728; HU P9900181 A 19960902; IL 12348496 A 19960902; JP 51095497 A 19960902; NZ 31655296 A 19960902; PL 32527296 A 19960902; RO 9800633 A 19960902; SK 25798 A 19960902; TR 9800358 T 19960902