EP 0537705 A2 19930421 - A loudspeaker.
Title (en)
A loudspeaker.
Title (de)
Lautsprecher.
Title (fr)
Haut-parleur.
Publication
Application
Priority
JP 26795191 A 19911016
Abstract (en)
The present invention relates to a loudspeaker which consists by plural diaphragms, and has wide frequency range. It is an object of the invention to provide a coaxial speaker in which a diaphragm for higher frequencies is of simple construction, light in weight, and has a good compliance at low level reproduction. In order to accomplish the above object, the present invention discloses a loudspeaker comprising a first diaphragm which is driven by a driving signal supplied into a voicecoil which is connected with said first diaphragm, and a ferromagnetic second diaphragm which is supported resiliently. <IMAGE>
IPC 1-7
IPC 8 full level
H04R 1/24 (2006.01); H04R 9/06 (2006.01); H04R 23/02 (2006.01)
CPC (source: EP)
H04R 1/24 (2013.01)
Designated contracting state (EPC)
BE CH DE DK FR GB IT LI NL
DOCDB simple family (publication)
EP 0537705 A2 19930421; EP 0537705 A3 19940323; JP H05344592 A 19931224; JP H0761200 B2 19950628
DOCDB simple family (application)
EP 92117537 A 19921014; JP 26795191 A 19911016