EP 0911840 A3 19990616 - Control circuit for an electromagnet
Title (en)
Control circuit for an electromagnet
Title (de)
Schaltung zur Steuerung eines Elektromagneten
Title (fr)
Circuit de commande d'électroaimant
Publication
Application
Priority
FR 9713480 A 19971024
Abstract (en)
[origin: EP0911840A2] A first switch commands a capacitance discharge through a first coil in the call phase and the second coil is fed through a second coil via a second switch during the call and maintenance phase preventing the current in the second coil from falling.
IPC 1-7
IPC 8 full level
H01F 7/18 (2006.01); H01H 47/04 (2006.01)
CPC (source: EP US)
H01F 7/1816 (2013.01 - EP US); H01F 7/1833 (2013.01 - EP US)
Citation (search report)
- [A] US 3689808 A 19720905 - STAMPFLI HARALD
- [A] EP 0196960 A1 19861008 - RENAULT [FR]
Designated contracting state (EPC)
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE
DOCDB simple family (publication)
EP 0911840 A2 19990428; EP 0911840 A3 19990616; FR 2770332 A1 19990430; FR 2770332 B1 19991203; JP H11213831 A 19990806; US 6101082 A 20000808
DOCDB simple family (application)
EP 98402623 A 19981021; FR 9713480 A 19971024; JP 30224898 A 19981023; US 17737798 A 19981023