Title:
LOUDSPEAKERS COMPRISING PANEL-FORM ACOUSTIC RADIATING ELEMENTS
Document Type and Number:
WIPO Patent Application WO1997009845
Kind Code:
A3
Abstract:
A panel-form loudspeaker (81) comprising a resonant distributed mode acoustic radiator having a periphery, a transducer (9) mounted to the radiator to excite distributed mode resonance in the radiator, and a frame (1) supporting the radiator, the transducer being coupled between the radiator and the frame to vibrate the panel to cause it to resonate to produce an acoustic output, characterised in that frame supports the radiator round its periphery and by resilient suspension means coupled between the frame and the radiator periphery.
Inventors:
AZIMA HENRY (GB)
COLLOMS MARTIN (GB)
HARRIS NEIL (GB)
COLLOMS MARTIN (GB)
HARRIS NEIL (GB)
Application Number:
PCT/GB1996/002158
Publication Date:
May 29, 1997
Filing Date:
September 02, 1996
Export Citation:
Assignee:
VERITY GROUP PLC (GB)
AZIMA HENRY (GB)
COLLOMS MARTIN (GB)
HARRIS NEIL (GB)
AZIMA HENRY (GB)
COLLOMS MARTIN (GB)
HARRIS NEIL (GB)
International Classes:
H04R1/20; H04R1/22; H04R7/04; H04R1/00; (IPC1-7): H04R1/02; H04R1/20; H04R7/06; H04R7/20
Domestic Patent References:
| WO1992003024A1 | 1992-02-20 |
Foreign References:
| US3247925A | 1966-04-26 | |||
| GB2010637A | 1979-06-27 | |||
| EP0669782A2 | 1995-08-30 | |||
| US4751419A | 1988-06-14 |
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