Patents
Patents for H01H 53 - Relays using the dynamo-electric effect, i.e. relays in which contacts are opened or closed due to relative movement of current-carrying conductor and magnetic field caused by force of interaction between them (216)
09/2008
09/17/2008CN201117591Y Twin coil push-and-pull type radio frequency micro electro-mechanical system switch
09/12/2008WO2008107273A1 Hybrid electromagnetic actuator
07/2008
07/23/2008CN101227017A Radio frequency assembly and a multiport switch having the same
03/2008
03/27/2008DE102004060409B4 Glasrohr für technische Anwendungen, dessen Verwendung sowie Verfahren zu dessen Herstellung Glass tube for technical applications, the use thereof and processes for the preparation thereof
01/2008
01/23/2008CN100364027C Electromagnetic drive for switching devices
12/2007
12/06/2007US20070279161 Method using a current to control a switch
09/2007
09/27/2007WO2007061605A3 High density three-dimensional rf/microwave switch architecture
09/19/2007EP1644952B1 Method and device for current limitation with an automatic current limiter
09/19/2007EP1644951B1 Method and device for limiting the current in a liquid metal current limiter
08/2007
08/29/2007CN100334670C Electromagnetic actuator
06/2007
06/28/2007US20070146104 Active radio frequency coil for high field magnetic resonance imaging
04/2007
04/10/2007US7202763 Micro-electromechanical switching device
02/2007
02/22/2007US20070041138 Process and device for current limiting with an automatic current limiter
02/08/2007US20070030104 Balanced MEMS switch for next generation communication systems
01/2007
01/09/2007US7161780 Circuit interrupting device with single throw, double mode button for test-reset function
11/2006
11/21/2006US7139158 Method and apparatus for current limiting by means of a liquid metal current limiter
09/2006
09/19/2006US7109832 Relay
08/2006
08/16/2006CN1820341A Method and device for limiting the current in a liquid metal current limiter
08/16/2006CN1820340A Method and device for current limitation with an automatic current limiter
08/03/2006US20060171089 Method and apparatus for current limiting by means of a liquid metal current limiter
06/2006
06/29/2006DE102004060409A1 Glass tube of reed switch used for e.g. technical applications, has inner bore and cross- sectional constriction with relationship applicable between respective cross- sectional constriction and diameter of circumference of inner bore
05/2006
05/10/2006EP1655755A1 Electromagnetic actuator with movable coil
04/2006
04/12/2006EP1644952A1 Method and device for current limitation with an automatic current limiter
04/12/2006EP1644951A2 Method and device for limiting the current in a liquid metal current limiter
04/05/2006CN2770074Y Rotary magnetic relay
04/04/2006US7023307 Electro-magnetically enhanced current interrupter
03/2006
03/21/2006US7015777 Switch device for opening and closing at least one electrical line
03/09/2006US20060049901 Electromagnetic actuator
03/08/2006CN1745448A Electromagnetic drive for switching devices
02/2006
02/01/2006CN1729548A Electromagnetic actuator
01/2006
01/25/2006EP1619709A1 Metallic contact electrical switch incorporating lorentz actuator
01/17/2006US6987435 Micro-electromechanical actuators
01/10/2006US6985058 Lorentz force assisted switch
12/2005
12/08/2005US20050270127 Micro-electromechanical switching device
11/2005
11/10/2005DE202005014079U1 Switch for power-factor correcting circuits has a rectifier and a power-factor correcting circuit on a power-conversion circuit with two capacitors
11/02/2005EP1590822A1 Electromagnetic drive for switching devices
10/2005
10/20/2005US20050231307 Switching apparatus with voltage spike prevention
09/2005
09/22/2005WO2005006375A3 Method and device for limiting the current in a liquid metal current limiter
09/20/2005US6946776 Method and apparatus for maintaining a liquid metal switch in a ready-to-switch condition
09/14/2005EP1573766A1 Electromagnetic actuator
09/07/2005EP1254473B1 Electronically switching latching micro-magnetic relay and method of operating same
08/2005
08/24/2005CN1658354A Swinging electromagnetic micro-electromechanical system relay
08/16/2005US6930409 Electromechanical switching device
07/2005
07/28/2005US20050162244 Switch
07/26/2005US6922121 Power saving electromagnetic switch
06/2005
06/29/2005EP1547111A1 Micro-electromechanical switching device.
05/2005
05/19/2005US20050104695 Power saving electromagnetic switch
05/19/2005US20050104694 Low-voltage and low-power toggle type-SPDT RF MEMS switch actuated by combination of electromagnetic and electrostatic forces
05/10/2005US6891454 Switch
01/2005
01/20/2005WO2005006375A2 Method and device for limiting the current in a liquid metal current limiter
01/20/2005WO2005006373A1 Method and device for current limitation with an automatic current limiter
01/20/2005DE10261811B4 Elektromagnetischer Antrieb Electromagnetic actuator
12/2004
12/02/2004DE10305465B3 Elektromagnetischer Antrieb für Schaltgeräte Electromagnetic actuator for switching devices
10/2004
10/14/2004US20040201330 Method and apparatus for maintaining a liquid metal switch in a ready-to-switch condition
09/2004
09/29/2004CN1169172C Quick-reaction mechanism switching point
08/2004
08/19/2004WO2004070760A1 Electromagnetic drive for switching devices
07/2004
07/15/2004DE10261811A1 Elektromagnetischer Antrieb Electromagnetic actuator
07/08/2004WO2004057637A1 Electromagnetic actuator
06/2004
06/10/2004US20040108195 Lorentz force assisted switch
04/2004
04/08/2004WO2004030006A1 Micro-electromechanical switching device.
12/2003
12/03/2003CN2590163Y Energy conservation permanent-magnet relay
10/2003
10/21/2003US6635837 MEMS micro-relay with coupled electrostatic and electromagnetic actuation
07/2003
07/17/2003US20030132822 Micro-electromechanical actuators
05/2003
05/21/2003CN1419702A Electronically switching latching micro-magnetic relay and method of operating same
12/2002
12/31/2002US6501635 Quick-action mechanical switching point
11/2002
11/06/2002EP1254473A1 Electronically switching latching micro-magnetic relay and method of operating same
10/2002
10/31/2002US20020160549 MEMS micro-relay with coupled electrostatic and electromagnetic actuation
10/22/2002US6469603 Electronically switching latching micro-magnetic relay and method of operating same
10/22/2002US6469602 Electronically switching latching micro-magnetic relay and method of operating same
07/2002
07/25/2002US20020097118 Current actuated switch
05/2002
05/02/2002US20020050880 Electronically switching latching micro-magnetic relay and method of operating same
04/2002
04/16/2002US6373675 Operating apparatus for switching device
10/2001
10/24/2001EP0764338B1 Microwave multi-port transfer switch
10/03/2001CN2452122Y Rotary energy-saving contactor
08/2001
08/09/2001WO2001057899A1 Electronically switching latching micro-magnetic relay and method of operating same
04/2001
04/25/2001CN1292562A Quick-reaction mechanical switching point
01/2001
01/10/2001EP1067569A1 Fast mechanical switching device
11/2000
11/22/2000CN2407447Y A. C.contactor with permanent magnet attraction without power consumption
11/15/2000CN1058580C Electricity-saving silencing current prevention and arc elimination device
12/1999
12/29/1999CN1047868C Electromagnetic switch for electronic product
11/1999
11/17/1999CN2349663Y Flip-flop relay
04/1999
04/01/1999WO1999016095A1 Vane stop assembly for vane-type relay
11/1998
11/18/1998EP0764338A4 Microwave multi-port transfer switch
05/1998
05/20/1998CN1182275A Electromagnetic switch for electronic product
03/1997
03/26/1997EP0764338A1 Microwave multi-port transfer switch
07/1996
07/03/1996CN1125892A Electricity-saving silencing current prevention and arc elimination device
05/1996
05/08/1996CN1122047A 磁性限位开关 Magnetic limit switch
11/1995
11/16/1995WO1995030996A1 Microwave multi-port transfer switch
09/1995
09/19/1995US5451918 Microwave multi-port transfer switch
12/1994
12/28/1994CN2186440Y Overload-current phase-loss relay of triphase alternating
07/1994
07/27/1994CN2172911Y Power direction relay
07/13/1994CN2171916Y Overcurrent electric relay of inverse time limit
01/1994
01/26/1994CN2154535Y Micro-current control switch
11/1992
11/11/1992CN1066147A Magneto-electric relay
07/1992
07/01/1992CN2108991U Permanent magnet controlled wall type switch
10/1991
10/09/1991CN2086459U Electricity-saving driver
09/1991
09/25/1991CN2085563U Dry energy saving switch
11/1990
11/06/1990US4968960 Electromagnet relay with flux biasing
04/1989
04/05/1989CN2035532U Electric dc relay
03/1989
03/08/1989CN2033944U Air electric contactor
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