EP 0997056 A1 20000503 - LOUDSPEAKERS
Title (en)
LOUDSPEAKERS
Title (de)
LAUTSPRECHER
Title (fr)
HAUT-PARLEURS
Publication
Application
Priority
- GB 9801765 W 19980617
- GB 9712964 A 19970619
Abstract (en)
[origin: WO9858520A1] A tweeter has its voice coil former and diaphragm integrally formed as a single unit. The magnet, pole piece and plate are encapsulated as a complete magnetic circuit in an injection moulded casing. A robust, inexpensive and easy to manufacture product is achieved.
IPC 1-7
IPC 8 full level
H04R 9/04 (2006.01); H04R 31/00 (2006.01)
CPC (source: EP)
H04R 9/045 (2013.01); H04R 31/003 (2013.01); H04R 31/006 (2013.01)
Citation (search report)
See references of WO 9858520A1
Designated contracting state (EPC)
DE FR GB IT
DOCDB simple family (publication)
WO 9858520 A1 19981223; EP 0997056 A1 20000503; GB 9712964 D0 19970827
DOCDB simple family (application)
GB 9801765 W 19980617; EP 98932273 A 19980617; GB 9712964 A 19970619