Global Patent Index - EP 0478979 A2

EP 0478979 A2 19920408 - Electrodynamic loudspeaker.

Title (en)

Electrodynamic loudspeaker.

Title (de)

Elektrodynamischer Lautsprecher.

Title (fr)

Haut-parleur électrodynamique.

Publication

EP 0478979 A2 19920408 (DE)

Application

EP 91115057 A 19910906

Priority

DE 4031011 A 19901001

Abstract (en)

In an electrodynamic loudspeaker, the oscillation coil is formed from an insulating material film provided with conductor tracks, the coil windings consisting of conductor tracks of the previously planar film, arranged parallel, and whose starts and ends are connected to one another, as a result of which a hollow-cylindrical coil is formed. <IMAGE>

Abstract (de)

Bei einem elektrodynamischen Lautsprecher wird die Schwingspule (104) aus einer mit Leiterbahnen (107) versehenen Isolierstoffolie (106) gebildet, wobei die Spulenwindungen aus parallel angeordneten Leiterbahnen der zuvor planen Folie bestehen, deren Anfänge und Enden miteinander verbunden sind, wodurch eine hohlzylinderförmige Spule (104) gebildet wird. <IMAGE>

IPC 1-7

H04R 1/06; H04R 9/04

IPC 8 full level

H04R 1/06 (2006.01); H04R 9/04 (2006.01)

CPC (source: EP)

H04R 1/06 (2013.01); H04R 9/041 (2013.01)

Designated contracting state (EPC)

AT DE ES FR IT

DOCDB simple family (publication)

EP 0478979 A2 19920408; EP 0478979 A3 19920826; DE 4031011 A1 19920402; JP H04227199 A 19920817

DOCDB simple family (application)

EP 91115057 A 19910906; DE 4031011 A 19901001; JP 25083091 A 19910930