Patents for H01H 50 - Details of electromagnetic relays (9,923)
01/2004
01/28/2004CN1136597C Electromagnetic switching device
01/28/2004CN1136593C Contact structure and non-arc AC contactor
01/22/2004US20040013346 Electronically latching micro-magnetic switches and method of operating same
01/22/2004US20040012469 Low voltage MEM switch
01/22/2004DE10329850A1 Elektromagnetisches Schaltschütz An electromagnetic contactor
01/21/2004EP1383144A1 Plunger device
01/21/2004EP1163691B1 Star-to-triangle switching element
01/20/2004US6679488 Armature spring for a relay
01/15/2004WO2004006295A2 Spring loaded bi-stable mems switch
01/15/2004DE20317097U1 Electromagnetic relay has a permanent magnet and a controlled electromagnet that can have polarity changed to break circuit contacts
01/13/2004US6677842 Load disconnecting switch especially for use in motor vehicles
01/13/2004US6677841 System and method for mounting a pusher and moveable contact in a contact block
01/13/2004US6677840 Electromagnetic relay
01/08/2004WO2004003953A1 Low noise relay
01/08/2004DE10324747A1 Schaltrelais mit verbesserter Laststromführung Switching relay with improved load current leadership
01/07/2004CN1134037C Small A.C. relay armature iron and its processing method
01/06/2004US6674353 Magnet system for a relay
01/06/2004US6674348 Switch relay with switching status display
01/02/2004EP1376638A1 Electromagnetic protection and control assembly
01/02/2004EP1376637A1 Electromagnetic protection and control assembly
01/02/2004EP1376636A2 Low noise relay
01/01/2004US20040000981 Low noise relay
01/01/2004US20040000980 Switch device for opening and closing at least one electrical line
12/2003
12/31/2003CN1133190C 带接触弹簧的继电器 A relay with a contact spring
12/30/2003US6671142 Circuit for operating voltage range extension for a relay
12/30/2003US6670871 Polar relay
12/25/2003US20030234709 Lead-less surface mount reed relay
12/24/2003CN1463016A AC contactor
12/23/2003US6667873 Adaptive manifold
12/18/2003WO2003105172A1 Direct current cutoff switch
12/18/2003WO2003105171A1 Direct current cutoff switch
12/18/2003US20030231090 Low noise relay
12/17/2003CN1462462A Electromagnetic contactor and method for eliminating errors in assembling the same
12/17/2003CN1131535C Electromagnetically operated electric switching apparatus
12/16/2003US6664488 Contactor with a front mask
12/10/2003CN1461089A Motor electric equipment made up by using soft magnetic composite material
12/10/2003CN1461031A 高频继电器 High Frequency Relays
12/09/2003US6661321 Electromagnetic switch
12/09/2003US6661320 Relay
12/09/2003US6661319 Bounce-reduced relay
12/04/2003US20030224639 Lever for removing electric apparatus
12/04/2003US20030223356 RF switch
12/04/2003US20030223174 Spring loaded bi-stable MEMS switch
12/04/2003US20030222740 Latching micro-magnetic switch with improved thermal reliability
12/03/2003EP1367617A1 Load disconnecting switch, in particular for the load circuit of a motor vehicle battery
12/03/2003CN2590163Y Energy conservation permanent-magnet relay
12/03/2003CN2590161Y Electromagnetic power supply main switch
12/03/2003CN1129940C Electromagnetic relay
12/03/2003CN1129939C Electromagnetic relay
12/03/2003CN1129938C Relay
12/03/2003CN1129937C Electro magnetic relay
12/03/2003CN1129936C Electromagnetic switching device
12/03/2003CN1129935C Electromagnetic relay
12/03/2003CN1129934C Electromagnetic relay
12/03/2003CN1129933C Electromagnetic relay
12/03/2003CN1129932C Contactors having electronically controlled driving system and capable of communication
12/03/2003CN1129931C Electromagnetic relay
12/03/2003CN1129930C Relay adjustment structure and methods
11/2003
11/27/2003US20030218853 High-frequency relay
11/27/2003US20030218523 Method of constructing a relay
11/27/2003US20030218522 High-frequency relay
11/26/2003EP1365431A2 High-frequency relay
11/26/2003EP1365430A2 High-frequency relay
11/26/2003CN2588519Y electromagnetic relay with section-changed structure and open slot in yoke
11/26/2003CN1458660A Rotor loop shorting AC contactor
11/20/2003US20030214375 Switch and image forming apparatus
11/20/2003DE10243772C1 Electromagnetic stepping switch relay has magnetic coil, switch wheel and stepping switch mechanism fitted to component carrier provided with integral spring elements
11/13/2003US20030210117 Magnetic latching contactor
11/12/2003EP1245337B1 Gripper for extracting fuses and relays
11/12/2003CN1455429A Super small-sized high-power relay
11/12/2003CN1127744C Relay with restricted guidance contacts
11/05/2003CN2585397Y Electromagnetic mechanism for AC relay
11/05/2003CN2585396Y Permanent magnet device used in low-voltage electric appliance
11/05/2003CN1127111C Electromagnetic contactor
11/05/2003CN1127105C Switching device
11/05/2003CN1127102C Multiple break contact device for electrical switchgear
10/2003
10/29/2003EP1357570A2 Relay block
10/29/2003CN2583805Y Three-phase magnetic lock large load contactor
10/29/2003CN1452282A Rod for mounting and dismounting
10/28/2003US6639493 Micro machined RF switches and methods of operating the same
10/23/2003US20030198002 Hybrid relay including solid-state output and having non-volatile state-retention and associated methods
10/22/2003EP1203390B1 Electromagnetic switching device
10/22/2003CN2582151Y Diverter high-power electromagnetic relay
10/21/2003US6635837 MEMS micro-relay with coupled electrostatic and electromagnetic actuation
10/15/2003EP1353413A1 Lever for removing electric apparatus
10/15/2003EP1353348A1 Elecromagnetic switching apparatus
10/15/2003EP1352408A1 Micro-magnetic latching switch with relaxed permanent magnet alignment requirements
10/15/2003CN1448628A Magnet switch for starter
10/15/2003CN1124631C High frequency switching device
10/15/2003CN1124630C Electromagnetic switch device having built-up casing
10/14/2003US6633214 Electromagnetic relay
10/14/2003US6633212 Electronically latching micro-magnetic switches and method of operating same
10/09/2003US20030189474 DC electromagnet
10/09/2003US20030189472 Magnet switch for starter
10/08/2003EP1351262A2 DC electromagnet
10/08/2003EP1350949A2 Magnet switch for starter
10/08/2003CN2578965Y Electromagnetic relay with up and down variable section structures
10/08/2003CN2578964Y Electromagnetic relay with left and right variable section structures
10/08/2003CN2578963Y Vertical high-separation electromagnetic relay with variable sections
10/08/2003CN1123903C Electro-magnetic relay
1 ... 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 ... 100