(19)
(11) EP 0 400 133 A1

(12)

(43) Date of publication:
05.12.1990 Bulletin 1990/49

(21) Application number: 90900260.0

(22) Date of filing: 14.12.1989
(51) International Patent Classification (IPC): 
G10K 11/ 20( . )
H04R 1/ 32( . )
G10K 11/ 28( . )
H04R 1/ 34( . )
(86) International application number:
PCT/GB1989/001499
(87) International publication number:
WO 1990/007103 (28.06.1990 Gazette 1990/15)
(84) Designated Contracting States:
DE FR GB IT NL SE

(30) Priority: 14.12.1988 GB 19880029125

(71) Applicants:
  • OAKLEY, Ralph William
    Pant-y-Brad Tonyrefail Mid Glamorgan CF5 0JX (GB)
  • PEARL, Roger George
    Wootton-under-Edge Gloucestershire GL12 8BD (GB)

(72) Inventors:
  • OAKLEY, Ralph William
    Pant-y-Brad Tonyrefail Mid Glamorgan CF5 0JX (GB)
  • PEARL, Roger George
    Wootton-under-Edge Gloucestershire GL12 8BD (GB)

(74) Representative: James, Michael John Gwynne, et al 
Wynne-Jones, Lainé & James Morgan Arcade Chambers 33, St. Mary Street
Cardiff Clamorgan CF1 2AB
Cardiff Clamorgan CF1 2AB (GB)

   


(54) SOUND REFLECTION UNIT AND AUDIO LOUDSPEAKER UNIT COMPRISING SUCH A SOUND REFLECTION UNIT