Patents
Sitemap › H01 - Basic electric elements › H01H - Electric switches; Relays; Selectors; Emergency protective devices › 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
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)
10/2012
10/31/2012CN202513083U AC rectifier
10/31/2012CN202513082U Automatic power cutoff switch
10/31/2012CN101789332B Alternating current contactor with mechanical short circuit self-locking function
10/31/2012CN101377987B Method for enhancing working current self-adapting capability of double-coiled relay current coil
10/31/2012CN101227063B Intelligent electronic device with integrated pushbutton for use in power substation
10/30/2012US8300380 Apparatus for determining and/or monitoring a process variable
10/30/2012US8299653 HVAC/R system with variable frequency drive power supply for three-phase and single-phase motors
10/26/2012WO2012143361A1 Circuit assembly for an alternating current contactor, motor protection relay and method for producing a power supply unit
10/26/2012CA2833080A1 Circuit arrangement for an alternating current contactor, motor protection relay and method for producing a voltage supply
10/24/2012EP2513939A1 Controlling circuit for an electromagnetic switching device
10/24/2012EP2513938A1 Apparatus for an electromagnetic switching device
10/24/2012CN202503348U Outdoor communication power supply
10/24/2012CN202502948U Power saving device used in running process of alternating current contactor
10/24/2012CN102754176A Apparatus for an electromagnetic switching device
10/24/2012CN102751143A Control circuit for relay
10/24/2012CN102751142A Power supply control circuit for relay driving module
10/24/2012CN102751141A Closed-loop chopped-wave starting direct current-retained electromagnetic electrical appliance control system
10/24/2012CN102751140A Multifunctional switch apparatus with automatic reclosing function
10/24/2012CN102034647B Electric switch for automatic power interruption by fault in minimum interval
10/24/2012CN101976638B Monopole arc-free permanent magnet alternating-current contactor
10/23/2012US8295025 Apparatus and method for controlling excitation frequency of magnetostrictive ultrasonic device
10/23/2012US8295019 Polarity reversal protection unit
10/18/2012US20120262008 Switching element system and method
10/18/2012US20120262007 Switch matrix modeling system and method
10/18/2012US20120262006 Method and Apparatus for Combining AC Power Relay and Current Sensors with AC Wiring Devices
10/18/2012US20120261600 Drive Circuit for DC Latching Devices
10/17/2012CN202495398U Astable flip-flop with double-drive function
10/17/2012CN102737913A Energy saving device of electromagnetic system and electromagnetic system including energy saving device
10/16/2012US8289674 Moving a free-standing structure between high and low adhesion states
10/16/2012US8289671 Case structure
10/10/2012CN202487497U Isolation drive circuit of direct current contactor
10/10/2012CN102725813A Method and control unit for controlling an electrical component
10/10/2012CN102725574A Systems and methods for detecting solenoid armature movement
10/10/2012CN102723238A Relay drive circuit and control method and system thereof
10/10/2012CN101673640B Bistable contactor driving circuit
10/09/2012US8286010 Voltage sensor for high-current junction
10/09/2012US8283805 Scanner with battery
10/04/2012WO2012132431A1 Relay-welding detection circuit and power supplying system
10/04/2012WO2012130795A1 Safety circuit assembly for switching a hazardous system on or off in a failsafe manner
10/04/2012US20120250208 Electronic Switch and Circuit for Select-Fire Perforating Guns
10/04/2012US20120248896 Field device
10/03/2012EP2505807A2 Self-sustaining electric-power generator utilizing electrons of low inertial mass to magnify inductive energy
10/03/2012EP2504902A2 Diagnosis of relays in a battery
10/03/2012CN202473758U Control apparatus for direct current electromagnetic execution mechanism
10/03/2012CN202473757U AC contactor control circuit
10/03/2012CN202473756U Alternating-current contactor
10/03/2012CN202473755U Power-saving silencing alternating current (AC) contactor
10/03/2012CN202473754U Soundless energy-saving power-loss discharging-delay device
10/03/2012CN202473753U Multifunctional contactor
10/03/2012CN202473752U DC soft starter with electronic arc extinguishing function
10/03/2012CN102709119A Relay driving device
10/03/2012CN102709118A Economizer of alternative-current contactor
10/03/2012CN102709117A Energy-saving driving circuit for relay
10/03/2012CN102709116A Alternating-current contactor in low-voltage alternating-current control circuit and control method of alternating-current contactor
10/03/2012CN102709115A Wireless signal relay and using method thereof
10/03/2012CN102709114A Fixed-time automatic power off device
10/03/2012CN102709113A Soft starting circuit and anti-impact control method for main loop
10/03/2012CN101763984B Circuit and method for controlling relay in soymilk machine circuit
10/02/2012US8278932 Method and detector for determining a state of a switch
10/02/2012US8278781 Discharger and discharger control method
10/02/2012US8278780 Switching device and system with switching device
09/2012
09/27/2012WO2012128075A1 Electromagnetic opening/closing device
09/27/2012WO2012128053A1 Electromagnetic switching apparatus
09/27/2012WO2012128040A1 Electromagnetic opening/closing device
09/27/2012WO2012128039A1 Electromagnetic opening/closing device
09/27/2012WO2012128038A1 Electromagnetic opening/closing device
09/27/2012WO2012126683A1 Blocking arrangement for at least one blocking piece and associated ignition lock
09/27/2012US20120243139 Method and Apparatus for Diagnostic Coverage of Safety Components
09/27/2012US20120242170 Circuit device, integrated circuit and detection device
09/27/2012US20120242167 Method for Logically Disconnecting a USB Device from a Host without Mechanical Disconnection
09/27/2012US20120240643 Electronic controller for a locking device and steering wheel lock
09/27/2012DE112010004891T5 Systeme und Verfahren zum Detektieren einer Elektromagnetankerbewegung Systems and methods for detecting a solenoid armature movement
09/26/2012CN202454502U Wide-measurement-range and low-power-consumption voltage relay without auxiliary power supply
09/26/2012CN202454501U Reverse current blocking device
09/26/2012CN102696088A Electrical component and method for controlling an electrical component
09/26/2012CN102693873A Time parameter acquiring method for adjusting alternating current electrical potential switching sequence of relay
09/26/2012CN102693872A Alternating-current contactor controller and control method based on low-voltage capacitor
09/26/2012CN102693871A Energy-saving control switch
09/26/2012CN101118816B High-pressure fuel pump drive circuit for engine
09/20/2012WO2012124152A1 Timer
09/20/2012WO2012069461A3 Method for detecting a fault of an operating switch for initiating a vehicle function of a vehicle and operating switch for carrying out the method
09/20/2012US20120235475 Switch device
09/19/2012CN202443918U Driving circuit of magnetic latching relay
09/19/2012CN202443917U Energy-saving and silencing AC (alternating current) contactor
09/19/2012CN202443916U Energy-saving drive circuit for direct-current micro electromagnetic relay
09/19/2012CN102686870A Starter having engagement detection functionality
09/19/2012CN102683112A Energy-saving controller for coil of relay
09/19/2012CN102683111A Intelligent composite AC contactor
09/19/2012CN102683110A Wireless power relay and use method thereof
09/19/2012CN102683109A Relay switching circuit
09/19/2012CN101866777B Reverse flux-weakening control type intelligent permanent magnet contactor with no position sensor
09/19/2012CN101669277B Power supply control device, power supply device control method
09/12/2012EP2498270A1 Security relay and security-oriented communication system
09/12/2012CN202434424U Delay protecting device
09/12/2012CN102664126A Driving circuit of magnetic latching relay
09/12/2012CN102664125A Double high driving level-resistant magnetic latching relay driving circuit
09/12/2012CN102664124A Relay node module with positioning function
09/12/2012CN101908439B Self-adaptive electromagnetic relay zero-crossing on and off control method
09/05/2012CN202423136U Start control system
09/05/2012CN202423135U Simple, reliable and low-power-dissipation time delay circuit
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