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GARMENT HAVING TRANSDUCER CAPABILITIES
The invention provides a garment having transducer capabilities and comprising an outer layer (1) of an elastically deformable and skin-friendly material, a...
TRIBOELECTRIC ENERGY GENERATOR USING CONTROL OF DIPOLE POLARIZATION
DIRECTION AND METHOD OF FABRICATING THEREOF
Provided are a triboelectric energy generator using a control of a dipole polarization direction and a method of fabricating the same. The present invention...
PIEZOELECTRIC ELEMENT INCLUDING MESOPOROUS PIEZOELECTRIC THIN FILM
A piezoelectric element includes: an upper electrode having acoustic transparency; a lower electrode; and a diaphragm disposed between the upper electrode and...
POWER-OVER-ETHERNET POWERED INVERTER
An apparatus may include a data management assembly and a DC to AC inverter assembly. The data management assembly may include a data input, a data output, and...
DUAL MODE DC-AC INVERTER SYSTEM AND OPERATION
A dual mode direct current-to-alternating current (DC-AC) inverter is capable of operating either with or without connection to an active external AC power...
VOLTAGE DETECTION CIRCUIT AND A METHOD OF DETECTING VOLTAGE CHANGES
A power conversion system and a method for voltage change detection, specifically, relates to a detection circuit implemented in the AC-DC power converter,...
CONSTANT INRUSH CURRENT CIRCUIT FOR AC INPUT POWER SUPPLY UNIT
A power supply circuit includes a rectifier module configured to rectify an input voltage and a capacitor including a first terminal coupled to the rectifier...
METHODS AND DEVICES FOR DETECTING THE INPUT VOLTAGE AND DISCHARGING THE
The present invention relates to power conversion systems, specifically, it relates to a device for detecting the DC voltage rectified from the AC power supply...
Apparatus and Method for Controlling DC-AC Power Conversion
An apparatus and method for controlling the delivery of power from a DC source to an AC grid includes an inverter configured to deliver power from the unipolar...
A Frequency Converter
A frequency converter (100, 200, 300, 500, 600) comprising a first mixer (105) arranged to receive a first and a second input signal and to have as its output...
SWITCHING POWER SOURCE DEVICE, METHOD OF CONTROLLING SWITCHING POWER
SOURCE DEVICE, AND CIRCUIT FOR CONTROLLING...
A switching power source device according to one aspect of the present invention is a current-resonant DC-DC converter, and includes a control integrated...
METHOD AND APPARATUS FOR INTEGRATED CABLE DROP COMPENSATION OF A POWER
A controller for a power converter includes a switching control circuit to output a drive signal to control switching of a switch to regulate the output power...
Quasi-Resonant Magnetron Power Supply
A power supply comprises at least one input to couple the power supply to a power source. The power supply also comprises at least one switched-mode power...
MAGNETIC SENSING TECHNIQUE FOR POWER SUPPLY SYSTEMS
One embodiment includes a power supply system including a transformer comprising a primary, secondary, and auxiliary winding that are magnetically coupled. The...
REGULATION OF THE POWER SUPPLY VOLTAGE FOR A FLYBACK CONVERTER CONTROLLER
A switching power converter is provided that includes a detector to detect whether a controller power supply voltage has fallen below a threshold voltage...
ADAPTIVE REFERENCE VOLTAGE FOR SWITCHING POWER CONVERTERS
A switching power converter is provided that detects an activity signal generated in response to load activity using an adaptively-declining threshold.
PROGRAMMING OF A TWO TERMINAL DEVICE
A two-terminal device that is configured to respond to a voltage modulation of an input signal received through the two terminals by triggering an action. The...
A converter arrangement with at least two single LLC converters, a pulse generator per single LLC converter wherein each pulse generator is configured to...
DC-DC CONVERTER MODULE
A DC-DC converter module includes a module substrate on which switching transistors and a controller IC chip are mounted, stud terminals mounted on a surface...
CONSTANT ON TIME SWITCHING CONVERTER WITH DC CALIBRATION
A reference compensating circuit used in a COT control circuit. The reference compensating circuit has an error amplifier, a first current sink, a resistor, a...
SWITCHING POWER SUPPLY DEVICE
A switching power supply device includes a slope compensation circuit configured to start slope compensation for suppressing subharmonic oscillation in...
MULTI-PHASE INTERLEAVED CONVERTER WITH AUTOMATIC CURRENT-SHARING FUNCTION
AND CONTROL METHOD THEREFOR
A multi-phase interleaved converter can include: (i) a plurality of phases, where each phase of the multi-phase interleaved converter includes a buck-type...
SEMICONDUCTOR DEVICE AND POWER CONVERSION DEVICE
Provided is a semiconductor device which drives a power semiconductor device, in which dead times generated when switch elements of upper and lower arms are...
CURRENT MODE SWITCHING POWER SUPPLY HAVING SEPARATE AC AND DC CURRENT
In a current mode switching power supply, current through the inductor needs to be sensed to control the peak current. The inductor current includes a DC...
PEAK-BUCK PEAK-BOOST CURRENT-MODE CONTROL FOR SWITCHED STEP-UP STEP-DOWN
A peak-buck peak-boost current mode control structure and scheme for a synchronous four-switch and non-synchronous two-switch buck-boost regulators sense input...
HIGH EFFICIENCY DC-TO-DC CONVERTER
A power converter is described herein. The power converter may be configured to enable a high-side switch when a resonating voltage at a switching net coupled...
CURRENT FEEDBACK AND OFFSET VOLTAGE CANCELLATION FOR DC-DC CONVERTER
Embodiments of current feedback circuits for Direct Current (DC)-DC converters and methods for operating current feedback circuits for DC-DC converters are...
CONSTANT-VOLTAGE AND CONSTANT-CURRENT BUCK CONVERTER AND CONTROL CIRCUIT
A control circuit is provided for a buck converter that includes at least an inductor coupled to an output of the buck converter. The control circuit includes...
Method of Current Compensation Based on Division-Sigma Control for DC/DC
A method is provided for current compensation. The method is based on division-sigma (D-.SIGMA.) control for a DC/DC converter. Inductance changes are allowed...
VOLTAGE PROTECTING CIRCUIT
Voltage protecting circuit includes a sensing unit coupled to a power adaptor, a control circuit board for controlling the power adaptor, and a switching unit...
HIGH-SPEED RESISTOR-BASED CHARGE PUMP FOR ACTIVE LOOP FILTER-BASED
Techniques are described for increasing the speed of a resistor-based charge pump for an active loop filter-based phase-locked loop (PLL). The techniques may...
COLD START DC/DC CONVERTER
A DC/DC converter comprising a first charge pump circuit including first MOS transistors including first depletion MOS transistors, an oscillating circuit...
CHARGE PUMP CIRCUIT
A charge pump circuit includes a sub-circuit, which is a pumping stage circuit or an output stage circuit. The sub-circuit includes an input terminal, an...
A fail-safe interface circuit arranged to provide an inverter enable input to drive an inverter, the circuit being supplied by a first voltage and comprising:...
CHARGE PUMP CIRCUIT FOR PROVIDING VOLTAGES TO MULTIPLE SWITCH CIRCUITS
A charge pump circuit generates a charge pump voltage that powers a bias circuit. The bias circuit generates a reference current and generates switch currents...
DIGITAL STRESS SHARE AUTO-ZERO SCHEME
The present application relates to power converters, particularly switch mode power converters sharing a load in which the converters are operated to share...
MULTILEVEL CONVERTER FOR POWER FACTOR CORRECTION AND ASSOCIATED OPERATING
A method operates a multilevel converter for power factor correction of a polyphase mains voltage. Each phase of the polyphase main has an associated phase...
A method of controlling a power supply to a semiconductor device including a first region having a high-side drive circuit, a second region having a signal...
ADAPTIVE BJT DRIVER FOR SWITCHING POWER CONVERTER
A flyback converter is provided that includes a base driver for driving a base current into a base of a BJT power switch. The base driver is controlled so as...
ADAPTIVE CONTROLLER BASED ON TRANSIENT NORMALIZATION
A controller is provided for controlling a power stage of a power converter according to a control law, the control law implementing a specific type of...
CONTROLLED MOTION SYSTEM HAVING END TEETH TO FACILITATE THE FORMATION OF A
MAGNETIC FLUX BRIDGE JOINING LINEAR...
A linear controlled motion system include a track formed from one or more track sections and having at least one mover mounted to the track and effective for...
Electropermanent Magnet-based Motors
An electropermanent linear actuator has a stator, forcer, drive circuitry, and feedback control mechanism. The stator includes at least one electropermanent...
A linear motor includes a stator and a mover coupled to the stator. The stator includes a stator body and at least one guiding portion protruding from the...
A linear motor includes a base, a stator positioned on the base, a mover positioned in the stator and configured to move relative to the stator, and two air...
A linear motor includes a base, a stator positioned on the base, a mover positioned in the stator and configured to move relative to the stator. The base...
POWER GENERATOR, POWER GENERATOR SET AND POWER GENERATION SYSTEM
A power generator 100 includes a power generating unit 10 and a supporting member 20 for supporting the power generating unit 10. The power generating unit 10...
ELECTRIC MOTOR COMBINED WITH POWER GENERATOR USING COIL PLATE HAVING
SEPARATE COIL BODIES AND RECIPROCATING...
Provided is an electric motor combined with a power generator comprising: a fixed coil plate in which separate coil bodies are uniformly arranged; and a...
BRUSH-COMMUNICATED DIRECT-CURRENT MOTOR
A brush-commutated direct-current motor comprises a stator which is fitted with a plurality of field poles, a rotor which can rotate in relation to the stator...
BASKET-TYPE ROTOR PRODUCTION METHOD AND BASKET-TYPE ROTOR
A squirrel-cage rotor manufacturing method capable of suppressing, at the time of performing die-casting, formation of gaps between closing portions and a...
DOUBLE-STATOR ROTATING ELECTRIC MACHINE
A double-stator rotating electric machine includes a rotor, an outer stator having an outer multi-phase coil wound thereon, and an inner stator having an inner...