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Patent # Description
US-1,011,6243 Determining motor position with complementary drive and detect and slight move
Methods and apparatus for determining a position of a rotor in a three-phase motor by determining first and second ones of sectors in which a first one of the...
US-1,011,6241 Motor control device and motor control method
A second upper-lower limit clipping unit performs an upper-lower limit clipping with an upper limit torque greater than that of a first upper-lower limit...
US-1,011,6240 Control device and method for jointly controlling asynchronous machines of a motor vehicle
The invention relates to a method for jointly controlling asynchronous machines (2; 3) of a motor vehicle (1) having a first asynchronous machine (2) and a...
US-1,011,6239 Single phase motor energy economizer for regulating the use of electricity
A system for reducing inrush loading when a source power is restored includes a device for switching power that selectively connects a load to the source of...
US-1,011,6238 Power grid frequency flexible operation system and method using the same
A power grid frequency flexible operation system is provided. The system comprises a generating unit, which includes a base-load unit and a peak-load unit; a...
US-1,011,6237 Inverter device and controlling method thereof
An inverter device comprises a first stage circuit, a second stage circuit and a control module. The first stage circuit comprises a first switch module and a...
US-1,011,6236 Isolated switching mode power supply with message control between SR and primary side, and control method thereof
An isolated switching mode power supply and a control method of the isolated switching mode power supply are provided. The isolated switching mode power supply...
US-1,011,6235 Power conversion apparatus
A modulation processing unit performs a down-shift process or an up-shift process. In the down-shift process, a neutral-point voltage is shifted towards a low...
US-1,011,6234 DC/AC converter comprising control means for inrush current protection
A DC/AC converter is provided with a new control device and method for managing inrush current transients during operation without requiring additional external...
US-1,011,6233 Hybrid full bridge-voltage doubler rectifier and single stage LLC converter thereof
A hybrid rectifier that works as either a hybrid full bridge or a voltage doubler. Under 220 V AC input condition, the hybrid rectifier operates in full bridge...
US-1,011,6232 Collocation of radiation generator components for limited-space devices
A compact radiation generator for use in a downhole well-logging tool is disclosed. The compact radiation generator comprises a housing with a cavity, a linear...
US-1,011,6231 Digital current-sharing loop design of PSUs to ensure output voltage regulation during dynamic load transients
Power supply units (PSU) provide for digital current-sharing loop control to ensure output voltage regulation during dynamic load transients by (i) delaying an...
US-1,011,6229 Multilevel cascade hexagonal voltage source converter with isolated DC sources
The multilevel cascade hexagonal voltage source converter with isolated DC sources has a plurality of polyphase stages, each stage having AC inputs...
US-1,011,6228 Converter and power conversion device manufactured using the same
A converter includes: a first transistor (Q1) connected between a first output terminal (T1) and an input terminal (T0); a second transistor (Q2) connected...
US-1,011,6227 System and method for pulse driving for reducing number of optical fibers
The present disclosure relates to a system and method for pulse driving. The system is configured to drive a multi-level converter, including: a main control...
US-1,011,6226 Multi-phase electric drive and method therefor to provide power to a power unit
A multi-phase electric drive includes a multi-phase power transformer, including a primary winding and a first number of secondary windings, said primary...
US-1,011,6225 Gate line drive circuit and display device having the same
A gate line drive circuit includes first, second and third transistors, and a boosting capacitor. The first transistor has a control terminal connected to a...
US-1,011,6224 Switching power converter circuit
One example includes a switching power converter circuit. The circuit includes a gate driver configured to generate at least one switching signal in response to...
US-1,011,6223 Switching power supply apparatus capable of achieving soft switching operation
A switching power supply apparatus is configured of, as a primary-side circuit, a synchronous rectification step-up/down chopper circuit including a main...
US-1,011,6222 Soft switching flyback converter with primary control
Disclosed examples include synchronous rectifiers and flyback converters, integrated circuits and operating methods, in which a first switch is turned on to...
US-1,011,6221 Series compensating electric power transmission system
A series compensating electric power transmission system has an insulated type DC-DC converter that operates in the first through fourth quadrants, first and...
US-1,011,6220 Systems and methods for protecting power conversion systems under open and/or short circuit conditions
System and method are provided for protecting a power converter. The system includes a first comparator, and an off-time component. The first comparator is...
US-1,011,6219 Apparatus and efficiency point tracking method for high efficiency resonant converters
A method comprises connecting a first resonant converter and a second resonant converter in parallel, detecting a first signal indicating a first soft switching...
US-1,011,6218 Power converter with clamping circuit for overvoltage protection
Power converters and their methods of operation are described. An example method involves regulating an output using a switching circuit that responds to a...
US-1,011,6217 Digital average input current control in power converter
A digital average-input current-mode control loop for a DC/DC power converter. The power converter may be, for example, a buck converter, boost converter, or...
US-1,011,6216 Ultrasonic control system and method for a buck-boost power converter
An embodiment of a buck-boost power converter may include an inductor driver section configured to control four switches to control an output of the converter,...
US-1,011,6215 Buck-boost converter for an audio amplifier with multiple operations modes
A switching power stage for producing an output voltage to a load may include a power converter and a controller. The power converter may include a power...
US-1,011,6214 DC-DC converter with digital current sensing
A regulated DC-DC switching converter includes a bypass mode in which ends of an output inductor are coupled together. Circuitry determines output capacitor...
US-1,011,6213 Semiconductor module and electric power conversion apparatus
A semiconductor module includes an IGBT and a MOSFET. The IGBT is made of a silicon semiconductor. The MOSFET is made of a wide-bandgap semiconductor having a...
US-1,011,6212 Voltage regulation based on current sensing in MOSFET drain-to-source resistance in on-state RDS(ON)
A direct current (DC) power supply system performs a method of delivering electrical energy by a synchronous buck voltage regulator (VR) coupled to an...
US-1,011,6211 Power converter with adaptive zero-crossing current detection
A power converter with adaptive zero-crossing current detection is provided. The power converter includes a first transistor, a second transistor, a PWM (Pulse...
US-1,011,6210 DAC servo
A servo block in a Buck, Boost, or switching converter allows a positive offset to be applied to the DAC voltage. In a typical switching converter application,...
US-1,011,6209 System and method for starting a switched-mode power supply
A method of operating a switched-mode power supply (SMPS) includes starting up the switched-mode power supply by determining a rate of increase of a duty cycle...
US-1,011,6208 DC-DC converter with improved energy management, method for operating the DC-DC converter, environmental energy...
A converter includes an inductor configured to receive an input signal and output configured to supply an electrical load with an output signal. The converter...
US-1,011,6207 Hysteretic controller with fixed-frequency continuous conduction mode operation
A switching power converter with a hysteretic current-mode controller switches at a fixed frequency responsive to a pulse generator that pulses a set signal and...
US-1,011,6206 Loop compensation circuit and switching power supply circuit
The embodiment of the present invention discloses a loop compensation circuit and a switching power supply circuit. The loop compensation circuit can comprise:...
US-1,011,6205 Power conversion device and refrigerating and air-conditioning apparatus
Provided is a power conversion device configured to convert electric power from a power source to a load, including: a boosting device including a boost...
US-1,011,6204 Distribution transformer interface apparatus and methods
An apparatus includes at least one external source terminal configured to be connected to at least one secondary terminal of a distribution transformer and at...
US-1,011,6203 Transformer including a current induction device having an amplifier circuit
A highly stable transformer, including a first transformer, a second transformer and a current induction device. The current induction device is provided in a...
US-1,011,6202 Adaptive clamping circuitry
A DC/DC power supply system includes a primary side and a secondary side to generate an output DC voltage from an input DC voltage. The power supply also...
US-1,011,6201 High power density inverter (I)
The present invention relates to a single phase, non-insulated, miniaturized DC/AC power inverter (1) having an output power density higher than 3000...
US-1,011,6200 DC/DC converter device
Provided is a DC/DC converter device capable of suppressing overshooting of an output voltage and fluctuation of an input voltage. The DC/DC converter device...
US-1,011,6199 Apparatus and method for linearization of the control inputs for a dual output resonant converter
A power converter including: a dual output resonant converter including a first output, a second output, a common mode control input, and a differential mode...
US-1,011,6198 Switching system
An object of the invention is to improve precision of current detection in a switching system having plural switching circuits. A first PWM timing generation...
US-1,011,6197 Transformer without magnetic coupling, electromagnetic induction or mutual inductance
A front stage circuit of a transformer includes a switch series unit, capacitors, and a ground electrical path. The switch series unit, connected in parallel to...
US-1,011,6196 Parallel elastic mechanism for robot-environment force interaction
A prismatic actuator for imparting a hopping motion to a supported load such as a leg of robot. The apparatus includes a direct drive motor, such as a voice...
US-1,011,6195 Displacement devices and methods for fabrication, use and control of same
A displacement device comprise a stator having a plurality of electrically conductive coils shaped to provide: a first plurality of coil traces generally...
US-1,011,6194 Vibration motor
A vibration motor includes a housing; a vibration module including a main magnet and a central shaft extending along a vibration direction and passing through a...
US-1,011,6193 Interior permanent magnet rotor and method and apparatus for manufacturing the same
An interior permanent magnet rotor includes a cylindrical rotor core having an axial hole extending in an axial direction, and a resin magnet that is formed to...
US-1,011,6192 Device for producing a rotational position signal and a method for producing rotational position signals
A device (101) for producing a position signal indicative of rotational position of a resolver is presented. The device comprises a signal transfer interface...
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