EP 1617706 A3 20080723 - Electromagnetic listening device without radiation
Title (en)
Electromagnetic listening device without radiation
Title (de)
Strahlungsarmer elektromagnetischer Hörer
Title (fr)
Ecouteur électromagnétique sans radiation
Publication
Application
Priority
DE 102004034513 A 20040715
Abstract (en)
[origin: EP1617706A2] An exciting current can cause a membrane to oscillate. Running between the ends (3A,3B) of a coil (3) and electrical connections (6A,6B) for an electromagnetic listening device, internal connection wires (5A,5B) are led so as to be as compact as possible, so that any subsequent leakage is kept as low as possible according to a physical twin-conductor principle.
IPC 8 full level
H04R 1/06 (2006.01); H04R 25/00 (2006.01); H04R 1/10 (2006.01)
CPC (source: EP)
H04R 1/06 (2013.01); H04R 25/604 (2013.01); H04R 2225/49 (2013.01)
Citation (search report)
- [Y] US 5193116 A 19930309 - MOSTARDO AUGUST F [US]
- [A] US 5814095 A 19980929 - MUELLER GERD [DE], et al
- [A] WO 0203399 A1 20020110 - BELTONE ELECTRONICS CORP [US]
- [Y] U. GYSEL: "Störsicherer Entwurf von elektronischen Geräten und Komponenten (EMV)", 2002, XP002481946, Retrieved from the Internet <URL:https://home.zhaw.ch/~gys/HFf/EMVf/EMV.pdf> [retrieved on 20080528]
Designated contracting state (EPC)
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC NL PL PT RO SE SI SK TR
Designated extension state (EPC)
AL BA HR MK YU
DOCDB simple family (publication)
EP 1617706 A2 20060118; EP 1617706 A3 20080723; EP 1617706 B1 20100210; AT E457601 T1 20100215; DE 502005008987 D1 20100325; DK 1617706 T3 20100607
DOCDB simple family (application)
EP 05106154 A 20050706; AT 05106154 T 20050706; DE 502005008987 T 20050706; DK 05106154 T 20050706