(19)
(11)
EP 0 981 927 A2
(12)
(88)
Date of publication A3:
11.03.1999
(43)
Date of publication:
01.03.2000
Bulletin 2000/09
(21)
Application number:
98921605.6
(22)
Date of filing:
14.05.1998
(51)
International Patent Classification (IPC)
7
:
H04R
1/40
,
H04R
7/06
(86)
International application number:
PCT/GB9801/374
(87)
International publication number:
WO 9853/638
(
26.11.1998
Gazette 1998/47)
(84)
Designated Contracting States:
AT BE DE DK ES FI FR GB IE IT NL PT SE
(30)
Priority:
17.05.1997
GB 9709969
(71)
Applicant:
New Transducers Limited
London SW3 3QH (GB)
(72)
Inventors:
AZIMA, Henry
Cambridge CB2 2TT (GB)
COLLOMS, Martin
London NW2 2DA (GB)
BANK, Graham
HuntingdonCambridgeshire PE18 6GL (GB)
(74)
Representative:
Maguire, Peter Albert et al
Maguire Boss,5 Crown Street
St. Ives,Cambridgeshire PE17 4EB
St. Ives,Cambridgeshire PE17 4EB (GB)
(54)
ACOUSTIC APPARATUS COMPRISING AN ARRAY OF LOUDSPEAKERS