EP 2472905 A1 20120704 - Electroacoustic transducer
Title (en)
Electroacoustic transducer
Title (de)
Elektroakustikwandler
Title (fr)
Transducteur électroacoustique
Publication
Application
Priority
EP 11150121 A 20110104
Abstract (en)
An electroacoustic transducer (speaker or microphone) has a coil attached to a diaphragm and a permanent magnet arrangement. The diaphragm comprises a flexible circuit board, wherein electrical and mechanical connection is made between the flexible circuit board and the coil. This provides a simple mechanical and electrical connection for the coil with low component count and cost and with good reliability.
IPC 8 full level
CPC (source: EP)
Citation (applicant)
WO 2004014104 A2 20040212 - KONINKL PHILIPS ELECTRONICS NV [NL], et al
Citation (search report)
- [XYI] US 2004086149 A1 20040506 - JOHANNSEN LEIF [DK], et al
- [XI] JP 2010258495 A 20101111 - TAMAI TOORU
- [Y] JP S6066600 A 19850416 - MATSUSHITA ELECTRIC IND CO LTD
Designated contracting state (EPC)
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated extension state (EPC)
BA ME
DOCDB simple family (publication)
DOCDB simple family (application)
EP 11150121 A 20110104; EP 2011074123 W 20111228