Patents
Patents for H01H 47 - Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current (7,312)
04/2014
04/30/2014CN203573911U Relay contact retaining circuit
04/30/2014CN203573910U Two-relay universal control device
04/30/2014CN103762121A Energy storage voltage stabilizing circuit for contactor power supply
04/30/2014CN103762120A Controller of intelligent integrated high-voltage alternating current contactor
04/30/2014CN103762119A Wide voltage electromagnetic contactor control circuit with low voltage ride-through function
04/30/2014CN102664125B Double high driving level-resistant magnetic latching relay driving circuit
04/29/2014US8711539 Switchgear operating apparatus and three-phase switchgear
04/29/2014US8710703 Low powered activation arrangement and method thereof
04/24/2014WO2014060184A1 Control circuit for at least two contactors and method for operating at least two contactors
04/24/2014WO2014060183A1 Control circuit for at least one contactor and method for operating at least one contactor
04/24/2014WO2014060145A1 Drive circuit for n contactors and a method for driving n contactors
04/24/2014WO2014060144A1 Current control circuit for the control bobbin of a contactor
04/24/2014US20140111891 Electromechanical switching circuit with memory
04/24/2014US20140111029 Control for intermittently loaded electric appliance
04/24/2014US20140111028 Managing Power Emission to Electrical Appliances
04/24/2014DE102012218988A1 Ansteuerschaltung für mindestens ein Schütz und ein Verfahren zum Betrieb mindestens eines Schützes A drive circuit for at least one contactor and a method for operating at least one contactor
04/24/2014DE102012218987A1 Ansteuerschaltung für n Schütze sowie ein Verfahren zur Ansteuerung von n Schützen A drive circuit for n contactors and a method for controlling n Protect
04/24/2014DE102012218983A1 Ansteuerschaltung für mindestens zwei Schütze und ein Verfahren zum Betrieb mindestens zweier Schütze A drive circuit for at least two contactors and a method for operating at least two contactors
04/23/2014CN103745884A Intelligent integration high-voltage alternating current contactor
04/23/2014CN103745883A Combined type arc-free alternating-current (AC) contactor with function of thyristor fault diagnosis
04/23/2014CN103745882A Control circuit for improving response speed of electromagnetic contactor
04/23/2014CN103745881A Relay control circuit and control method thereof
04/22/2014US8705222 Compensating temperature effects in magnetic actuators
04/22/2014US8704410 Semiconductor device
04/22/2014US8704409 High speed solid-state relay with controller
04/17/2014WO2014057011A1 Method for operating a polarity reversal relay for actuating inductive loads
04/17/2014WO2014056042A1 Testing apparatus for safety switches and method
04/17/2014WO2014016442A9 Relay control method in domotics installations, relay and switch block that make use of said method
04/17/2014US20140104740 Swtiching phase offset for contactor optimization
04/17/2014US20140104739 Electric storage apparatus
04/16/2014EP2720094A1 Safety system
04/16/2014CN203553046U Voltage sag prevention delay module
04/16/2014CN203553045U Relay control circuit
04/16/2014CN203553044U Five-pin electromagnetic relay
04/16/2014CN203553043U Wireless radio frequency induction type relay device
04/16/2014CN102119432B Cell phone detector for washing machines
04/15/2014US8699202 Heat generation inhibiting circuit for exciting coil in relay
04/15/2014US8699201 Relay failure detecting device, power-supply device, image forming apparatus, relay failure detecting method, and computer program product
04/15/2014US8699200 Secure non-contact switch
04/15/2014US8699199 Portable magnet power supply for a superconducting magnet and a method for removing energy from a superconducting magnet using a portable magnet power supply
04/15/2014US8698358 Active parasite power circuit
04/15/2014US8698356 Digital circuit having correcting circuit and electronic apparatus thereof
04/10/2014WO2013113485A3 Control of an inductive load by pulse width modulation
04/10/2014US20140097702 Method and circuit for reducing current surge
04/10/2014US20140097701 Application of normally-on switching elements/devices in a stacked switching circuit
04/10/2014US20140097691 Intelligent power sensing device
04/09/2014DE202013011720U1 Schaltungsanordnung zum Ersetzen von Kleinpolrelais in Gleich /Wechselstromübertragungen der Eisenbahnsignaltechnik Circuit arrangement for replacing Kleinpolrelais in DC / AC transmissions of railway signaling
04/09/2014CN103715022A Self-adaptive micro-jitter magnetic latching relay zero-cross on-off control device
04/09/2014CN103715013A Relay anti-adhesion circuit
04/09/2014CN103715012A Light controlled electromagnetic relay
04/09/2014CN102543578B Real-time control intelligent alternating-current contactor with full-closed loops
04/09/2014CN102315043B Double-closed-loop feedback-control module
04/08/2014US8693159 Method and apparatus for diagnostic coverage of safety components
04/08/2014US8693158 Compact electronic reverberation chamber
04/08/2014US8692420 Safety device for multichannel controlling of a safety-related unit
04/08/2014US8692416 Overload protection of a voltage reduction device
04/08/2014US8689756 Method for generating and applying a cleaning voltage pulse to a stop connection, and an associated digitally controlled magnetic ignition circuit
04/03/2014WO2014050060A1 Relay drive device
04/03/2014WO2014048747A1 Actuating device for a vacuum switching tube and separation arrangement
04/03/2014US20140091724 Solid state light source driver establishing buck or boost operation
04/02/2014CN203521324U Relay driving circuit
04/02/2014CN203521323U Contactor control circuit
04/02/2014CN203521322U Micro power consumption AC contactor control unit
04/02/2014CN203521321U Relay control circuit and contactor control circuit
04/02/2014CN103703535A Method for driving an actuator of a circuit breaker, and actuator for a circuit breaker
04/02/2014CN103700543A Small sealing release delay relay with long delay time
04/02/2014CN103700542A Relay action response and delay detection circuit, circuit board and electric heating product containing thereof
04/01/2014US8686600 Techniques for configuring contacts of a connector
03/2014
03/27/2014WO2014047057A1 High speed contact capable of detecting, indicating and preventing maloperation due to internal failure
03/27/2014WO2014046779A2 Electrical relay assembly
03/27/2014WO2014046712A1 Method and apparatus for preventing electricity meter failure
03/27/2014WO2014044317A1 Regulated power supply assembly for use in electrical switch
03/27/2014US20140084707 Power supply control device with user identifying function and control method
03/27/2014US20140084706 Circuitry and methods for switching power
03/26/2014EP2711954A1 Electromagnetic contactor
03/26/2014CN203503557U Electronic unit of power saving alternate current contactor
03/26/2014CN103683182A Circuit arrangement used for electric protective device
03/26/2014CN103681109A Contactor direct-current pull-in and holding circuit
03/26/2014CN103681108A Large-current electromagnetic relay
03/26/2014CN103681107A Contactor power-supply controlling device
03/26/2014CN103675672A Pressure switch state detection circuit, circuit board, and electric heating product with circuit board
03/26/2014CN103675670A Pressure switch state detection circuit, circuit board, and electric heating product with circuit board
03/26/2014CN102064049B Relay electric-arc elimination contact system based on giant magnetostrictive material
03/25/2014US8681471 Ion generator
03/25/2014US8680719 Direct current voltage supply apparatus
03/25/2014US8680716 Superconducting switch operation
03/20/2014WO2014041883A1 Unit for controlling electromagnetic relay, and method for controlling electromagnetic relay
03/20/2014WO2014041796A1 Device for detecting welding of relay
03/20/2014WO2014041568A1 Safe disconnection relay
03/19/2014EP2709135A2 A relay for automatically selecting a monitoring range
03/19/2014CN203491195U Intelligent power control device of AC contactor
03/19/2014CN103646822A Direct current electromagnetic type time relay and time delay method
03/19/2014CN102414043B Power supply system of electric vehicle and control method thereof
03/13/2014US20140071578 Braking system contactor control and/or monitoring system and method
03/13/2014US20140071577 Relay for automatically selecting a monitoring range
03/13/2014US20140071575 Circuit interrupter employing non-volatile memory for improved diagnostics
03/13/2014US20140070628 Network power management system
03/12/2014CN203481143U Electromagnetic relay
03/12/2014CN103635984A Systems and methods for controlled startup of electrical devices loading power line
03/12/2014CN102047368B Relay controller
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