Global Patent Index - EP 1033061 A1

EP 1033061 A1 2000-09-06 - AN IMPROVED LOW FREQUENCY TRANSDUCER ENCLOSURE

Title (en)

AN IMPROVED LOW FREQUENCY TRANSDUCER ENCLOSURE

Title (de)

VERBESSERTE NIEDREFREQUENZ-WANDLERGEHÄUSE

Title (fr)

ENCEINTE DE TRANSDUCTEUR BASSE FREQUENCE AMELIOREE

Publication

EP 1033061 A1 (EN)

Application

EP 98950880 A

Priority

  • US 9820817 W
  • US 6054697 P

Abstract (en)

[origin: WO9918755A1] An acoustical transducer enclosure (10) has an acoustic lever (80) acoustically coupled to an electro-acoustic transducer (70) so as to force all radiated sound through the lever (80).

IPC 1-7 (main, further and additional classification)

H04R 1/02; H04R 1/20; H04R 9/06

IPC 8 full level (invention and additional information)

H04R 9/06 (2006.01); H04R 1/02 (2006.01); H04R 1/20 (2006.01); H04R 1/28 (2006.01)

CPC (invention and additional information)

H04R 1/2842 (2013.01)

Citation (search report)

See references of WO 9918755A1

Designated contracting state (EPC)

DE FR GB

EPO simple patent family

WO 9918755 A1 19990415; EP 1033061 A1 20000906; JP 2001519637 A 20011023

INPADOC legal status


2002-01-02 [18W] WITHDRAWN

- Date of withdrawal: 20011002

2000-12-27 [RBV] DESIGNATED CONTRACTING STATES (CORRECTION):

- Designated State(s): DE FR GB

2000-09-06 [17P] REQUEST FOR EXAMINATION FILED

- Effective date: 20000428

2000-09-06 [AK] DESIGNATED CONTRACTING STATES:

- Kind Code of Ref Document: A1

- Designated State(s): DE FR GB