Matches 1 - 46 out of 46


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US20120106019 SOLENOID PROTECTION CIRCUIT  
A system prevents solenoids from overheating. The solenoid circuit has solenoids connected across a power supply. Control switches energize the solenoids by controllably connecting the solenoids...
US20110222202 Electromagnetic Valve Driving Circuit  
Disclosed is an electromagnetic valve driving circuit capable of reducing a load of a booster circuit. A boost driving FET 202 is connected to a route formed between the booster circuit 100 and a...
US20150029635 LOW COST ELECTRICAL STAMP  
A low cost electrical stamp is provided in the present invention. The low cost electrical stamp includes a magnetic cylinder matrix, a print circuit board (PCB), a control circuit and an interface...
US20120268856 NON-EXCITED OPERATION TYPE ELECTROMAGNETIC BRAKE CONTROL DEVICE AND METHOD  
A non-excited operation type electromagnetic brake control device and method which are free from vibration noise and frequent switching when reducing average current which flows through a brake...
US20110214741 SOLENOID VALVE DRIVING CIRCUIT, SOLENOID VALVE, AND SOLENOID VALVE DRIVING METHOD  
A solenoid valve driving circuit for a solenoid valve includes a current detector for detecting a current that flows in a solenoid coil, a rate of change over time calculating unit for calculating...
US20110133106 Method and Device for Controlling an Actuator  
In a method and a device for controlling an actuator, the first setpoint value for the position of the actuator is predefined. A change in the setpoint value for the control of the actuator to the...
US20110075314 METHOD FOR ACTUATING AN ELECTROMAGNETIC LOAD AND A CORRESPONDING CIRCUIT  
A method is proposed for actuating an electromagnetic load (3) which can be switched between at least two switching states, particularly a magnetic valve, wherein switching between a first and a...
US20090225489 Control Unit Comprising a Closed-Loop Controller for Regulating the Electrical Coil Current of a Regulating Electrovalve  
A control unit has a closed-loop controller which is connected to a regulating electrovalve by way of a feedback branch, forming a closed-loop control circuit, in order to regulate the electrical...
US20140355165 CONTROL UNIT FOR CIRCUIT BREAKER AND CONTROLLING METHOD THEREOF  
Disclosed are a control unit for a circuit breaker capable of controlling and monitoring various types of switches such as a circuit breaker and a switchgear included in power system equipment, by...
US20090290277 Relay driving module and an electronic device incorporating the same  
A relay driving module is adapted for driving a latching relay, and includes a current limiting circuit, an energy storage component, and a switch circuit. The current limiting circuit is adapted...
US20090231774 Reed Switch Arrays  
An array of reed switches (13) is assembled on a circuit board (11) having a plurality of through-apertures (12) with one reed switch (13) disposed in each aperture with the axis of the switch...
US20120194961 Injector Drive Circuit  
An injector drive circuit including: a step-up circuit generating a high voltage from a power supply; a first switching device connected to a path between the step-up circuit and an injector; a...
US20050180083 Drive circuit for el display panel  
To provide a source driver circuit for an EL display panel with reduced variations in output current. A source driver circuit contains unit transistors 634 each of which constitutes a single unit....
US20120106020 SWITCH CIRCUIT WITH INDEPENDENT DC POWER SUPPLY  
A switch circuit with independent direct current (DC) power supply is provided. The switch circuit includes a switch unit, a power supply unit of the switch unit, an on/off unit of the power...
US20090128980 CIRCUIT ARRANGEMENT FOR CONTROLLING ELECTROMAGNETIC VALVES AND VALVE DEVICE WITH A CONTROLLABLE VALVE  
A circuit arrangement for controlling electromagnetic valves, has a control unit that issues control signals for controlling the angular position of an electromagnetic valve and receives a reply...
US20070114481 Diagnosis method for solenoid valve based on noise detection  
According to the present invention, there is provided a diagnosis method for a solenoid valve which includes: energizing and deenergizing cyclically a solenoid of the solenoid valve to repeatedly...
US20090080133 ELECTRONIC MODULE FOR AC/DC COIL WITHIN AN ELECTROMAGNETIC CONTACTOR  
The present invention relates to a device and a method for utilizing a control module as an interfaced control of a dually configured AC/DC control coil comprising monitoring a coil voltage of the...
US20090250302 Fast turn-off and fast turn-on in inductive load and usage in vehicle application  
A fast turn-off and fast turn-on circuit (10) providing at least one power source (12, 20), at least one switching device (14, 22), a coil (16), and at least a first voltage control device (18)....
US20110261497 DEVICE FOR PRODUCING A MAGNETIC FIELD AND ADJUSTING THE INTENSITY OF THE MAGNETIC FIELD  
A device for producing a magnetic field and adjusting the magnetic field's intensity includes a power source, a wire winding, a path switching module, a path control module, a first adjusting...
US20070158607 Method for determining the drive current for an actuator  
Disclosed is a method for calibrating, mechanically adjusting, or calculating a drive current of an electromagnetically operable actuator. The actuator controls the flow of a fluid responsive to...
US20080030917 High-Pressure Fuel Pump Drive Circuit for Engine  
There is provided a high-pressure fuel pump drive circuit for manipulating the electric current to be passed to a solenoid coil for controlling a high-pressure pump. This circuit is characterized...
US20080316670 Voltage generator  
A voltage generator used to generate a voltage for driving a vehicle fuel injector includes a microcomputer, a coil, and a capacitor. The microcomputer calculates an interval at which the fuel...
US20070299550 Three-Dimensional Guidance System And Method , And Drug Delivery System  
A three-dimensional guidance system of the present invention includes a bed (1) horizontally driven by a bed drive motor (11), a position detecting sensor (6) for detecting a position of a...
US20150153336 MAGNETIC SYSTEM FOR PARTICLE ATTRACTION IN A PLURALITY OF CHAMBERS  
The invention relates to a magnetic sample-processing device, particularly a sensor device (100), that comprises two electromagnets (110, 120) for generating a magnetic field (B) in a first and a...
US20070139047 Method of controlling the operation of a solenoid  
A method for controlling the operation of a solenoid (14), in which solenoid the movement of the plunger is caused by bringing electric energy to the solenoid, whereby an electric current flows...
US20100079923 MULTI-FUNCTION CIRCUIT INTERRUPTION ACCESSORY  
A protection apparatus for a circuit breaker disposed in a circuit to be protected uses a solenoid configured to operate the circuit breaker on command, an undervoltage release (UVR) sensing...
US20100059023 Circuit Arrangement and Method for Operating an Inductive Load  
A circuit arrangement for operating at least one inductive load, for example a solenoid of a fuel injection valve, is configured to feed back electrical energy into a storage capacitor in a...
US20100165534 MAGNETIC FIELD GENERATION DEVICE  
The present invention relates to a magnetic field generation device comprising a magnetic field generating element (101) and a limiter (103) for limiting a magnitude of a current through the...
US20110273812 CONTROLLING CURRENT FLOW BY A COIL DRIVE OF A VALVE USING A CURRENT INTEGRAL  
A device (100) and to a method allow for a direct injection valve having a coil drive (110) to reduce in particular the pulse to pulse variation of the volume of fuel injected by the direct...
US20140085765 MAGNETORHEOLOGICAL DEVICES AND ASSOCIATED METHODS OF CONTROL  
Embodiments of magnetorheological systems, devices, and associated methods of control are described below are described herein. In one embodiment, a magnetorheological device includes an...
US20050030691 Power supply and control method for injector driver module  
An injector driver module includes a first converter and a second converter connected between a power supply and the load. The first converter generates a first voltage output and the second...
US20120314332 Current Sensor  
There is provided a voltage or current sensing device. An exemplary voltage or current sensing device includes a drive circuitry configured to deliver a drive current to a magnetic core operably...
US20080218930 Control Apparatus and Control Method of Electromagnetic Drive Valve Operating Mechanism  
When a target valve timing determined in accordance with the state of operation of an internal combustion engine is acquired, a feed forward control of setting a command timing of a valve body on...
US20150116887 METHOD AND APPARATUS FOR PRODUCING AN ASYMMETRIC MAGNETIC FIELD  
A system for generating an asymmetric magnetic field. The system includes a drive circuit and a stacked winding structure coupled to the drive circuit. The stacked winding structure includes a...
US20140092515 ELECTROMAGNETIC COIL DRIVE DEVICE  
An electromagnetic coil drive device has a semiconductor switch connected in series with an electromagnetic coil for controlling a current supplied to the coil; a capacitor; a comparator for...
US20140071576 Highly Precise And Low Level Signal-Generating Drivers, Systems, And Methods Of Use  
Apparatus and method for providing and using a highly precise and low level driver. In one described embodiment, a driver for a magnetic field generating device is provided, the driver including a...
US20170125146 ELECTROMAGNET CONTROL APPARATUS  
There is provided an electromagnet control apparatus that continuously attracts crushed pieces of metals with the core of a magnetized electromagnet without immediately releasing the attracted...
US20170054193 THREE-PORT VARIABLE POWER DIVIDER  
A variable power divider comprising a latching ferrite circulator including an input port, a first output port, a second output port, and at least one winding. The ports meet in a common junction....
US20160300653 SEMICONDUCTOR DEVICE, IN-VEHICLE VALVE SYSTEM AND SOLENOID DRIVER  
An output driving circuit outputs an output current to a solenoid incorporated in a vehicle through an output terminal. A detection resistor connected between the output terminal and the output...
US20160203900 AN ELECTRICAL RELAY DRIVE ARRANGEMENT FOR ENERGISING AND DE-ENERGISING THE ELECTRICAL COIL OF AN ELECTRO-MECHANICAL RELAY  
An electrical relay driver arrangement for energising and de-energising an electrical coil of an electro-mechanical relay including a power supply controller adapted to provide outputtable voltage...
US20160196910 METHOD AND DEVICE FOR COMPENSATION OF TEMPORAL MAGNETIC FIELD FLUCTUATIONS IN POWERED MAGNETS  
A system for reducing temporal fluctuations in a powered magnet. The system includes a magnetic field generator that generates a magnetic field with temporal fluctuations and a power supply having...
US20160111237 METHOD FOR DRIVING AN INDUCTIVE ACTUATOR  
A method for driving an inductive actuator having an actuating element and an actuator coil, includes initially acting on the actuator coil with a voltage having a first value in order to move the...
US20160099095 RELEASABLE MAGNETIC DEVICE  
A magnetic device is described for releasably connecting a pair of assemblies; the device may serve as a mechanical connection or as an electrical connection, or both. The device comprises an...
US20160071642 Electromagnetic Coil Driving Control Device  
The present invention is to provide a magnet coil drive control device that can efficiently suppress conduction noise while reducing the capacitance of a capacitor. A capacitor and an impedance...
US20140211360 SYSTEM AND METHOD FOR PRODUCING MAGNETIC STRUCTURES  
A magnetizer for magnetizing magnetic field sources into a magnetizable material includes a magnetization subsystem, a motion control system, and a magnetizer control system. The magnetization...
US20110157757 DEVICE AND METHOD FOR IDENTIFYING THE TYPE OF CONTROL FOR A VOLTAGE- OR CURRENT-RELEASE SWITCHGEAR  
A device for identifying a control mode for a voltage or current release of a voltage-release or current-release switching device includes at least one control unit having first and second control...

Matches 1 - 46 out of 46