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Current content: 155 263 406 patent documents

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215 613 new documents added

1 342 057 documents amended

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EP 1033061 A1 20000906 - 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 20000906 (EN)

Application

EP 98950880 A 19981001

Priority

US 9820817 W 19981001
US 6054697 P 19971002

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

H04R 1/02; H04R 1/20; H04R 9/06

IPC 8 full level

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

CPC (source: EP)

H04R 1/2842 (2013.01)

Citation (search report)

See references of WO 9918755A1

Designated contracting state (EPC)

DE FR GB

DOCDB simple family (publication)

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

DOCDB simple family (application)

US 9820817 W 19981001; EP 98950880 A 19981001; JP 2000515410 A 19981001