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Patent # Description
2017/0005605 MAGNETIC SENSOR AND AN INTEGRATED CIRCUIT
The present teaching relates to a magnetic sensor residing in a housing. The magnetic sensor includes an input port and an output port, both extending from the...
2017/0005604 CONTROL DEVICE FOR AN ELECTRIC MACHINE, METHOD FOR CONTROLLING SAID ELECTRIC MACHINE, AND MOTOR CONTROLLER
The present invention discloses a control device for an electric machine comprising a sensor interface designed to receive a sensor signal from a position...
2017/0005603 CONTROLLER FOR ELECTRIC MOTOR
A feedback amount calculation unit uses a deviation of a current from its command value or a deviation of an air-gap flux from its command value to calculate a...
2017/0005602 MOTOR DRIVING CIRCUIT WITH POWER REVERSAL PROTECTION AND FAN DEVICE
A motor driving circuit with power reversal protection and a fan device are disclosed. The motor driving circuit has a supply end and a ground end. A reversal...
2017/0005601 FAN DETECTION AND CONTROL CIRCUIT AND ELECTRONIC DEVICE HAVING THE SAME
A fan detection and control circuit for a storage device includes an extension chip configured to output a control signal, a plurality of transmission units, a...
2017/0005600 ROTATING ELECTRIC MACHINE CONTROL DEVICE
A rotating electric machine control device includes: a q-axis PI controller calculating a pre-restriction q-axis voltage instruction value based on a q-axis...
2017/0005599 DRIVING DEVICE FOR MOTOR FOR DRIVE WHEEL OF VEHICLE
A driving device for motors for drive wheels of a vehicle includes a plurality of in-wheel motor assemblies and motor drivers. The motor drivers include a...
2017/0005598 DRIVE DEVICE AND METHOD FOR OPERATING A DRIVE DEVICE
A drive device comprising at least one control unit (10) for operating a first drive unit (16) with a first operating frequency (f.sub.b1) from a first...
2017/0005597 CONTROL METHOD FOR STARTING A SYNCHRONOUS ELECTRIC MOTOR
The invention relates to a control method implemented in a variable speed drive for starting a synchronous electric motor (M), said method comprising the...
2017/0005596 PIEZOELECTRIC ACTUATOR, MOTOR, ROBOT, AND METHOD OF DRIVING PIEZOELECTRIC ACTUATOR
The invention relates to a piezoelectric actuator including: a first piezoelectric vibrator including a first diaphragm and first piezoelectric elements that...
2017/0005595 VIBRATION WAVE MOTOR AND DRIVER UTILIZING THE VIBRATION WAVE MOTOR
The dimension in a moving direction of a vibration wave motor is shortened without impairing the thrust force, and the size of a driver is reduced. The...
2017/0005594 Power Semiconductor Circuit having a Field Effect Transistor
A power semiconductor circuit comprising a field effect transistor having a drain, a source and a gate as terminals, and further comprising a control device...
2017/0005593 POWER CONVERSION DEVICE AND POWER CONVERSION CONTROL METHOD
Provided is a power converter capable of reliably turning OFF a switching element before turn-OFF of a diode even with a fluctuation in rpm so as not to...
2017/0005592 CONTROL METHOD OF INVERTER CIRCUIT
A control method of an inverter circuit includes the following steps. Firstly, a half cycle of the AC output voltage is divided into a first stage and a second...
2017/0005591 Power Conversion System
A surge according to a change of a switching state can be reduced without increasing a torque ripple of a motor. A first switching signal to control switching...
2017/0005590 POWER CONVERTER
In a power converter a DC positive terminal of a DC power supply is connected to a switching element, the DC negative terminal of the DC power supply is...
2017/0005589 MODULAR MULTILEVEL CONVERTER LEG WITH FLAT-TOP PWM MODULATION, CONVERTER AND HYBRID CONVERTER TOPOLOGIES
A voltage source converter for interconnecting first and second electrical networks, including first and second terminals for connection to the first...
2017/0005588 CONVERTER AND POWER CONVERSION DEVICE
A converter includes a converter circuit that converts the AC voltages supplied from the A-connection and the Y-connection, which are two systems of a 12-phase...
2017/0005587 DIFFERENTIAL AMPLITUDE DETECTOR
An example embodiment includes an idle state detection circuit. The idle state detection circuit includes a bias current loop, a rectifying circuit loop, a...
2017/0005586 UNIDIRECTIONAL MATRIX CONVERTER WITH REGENERATION SYSTEM
An AC-to-AC matrix converter includes a controlled rectifier input stage, an inverter output stage, and a regenerative unit. The controlled rectifier input...
2017/0005585 POWER SUPPLY APPARATUS AND IMAGE FORMING APPARATUS
The power supply apparatus includes a control unit that can perform intermittent operation of alternately repeating a switching period and a switching halt...
2017/0005584 MULTI-OUTPUT POWER CONVERTER WITH PHASE-SHIFT CONTROL
A multi-output power conversion circuit employing phase-shift control, receiving at the input a DC voltage and supplying at the output a plurality of...
2017/0005583 CONTROL OF A STARTUP CIRCUIT USING A FEEDBACK PIN OF A PWM CONTROLLER INTEGRATED CIRCUIT CHIP
A power supply includes a control transistor that controls a primary winding of a transformer to induce current on a secondary winding of the transformer to...
2017/0005582 CONTROL DEVICE AND CONTROL METHOD FOR POWER SUPPLY DEVICE
A control device and method are provided for a power supply device which can perform stable constant voltage constant current control with high responsiveness...
2017/0005581 Electrical Power Converting Device
An electrical power converting device includes: a converter circuit part that includes a switching circuit and a transformer and converts a voltage between a...
2017/0005580 VOLTAGE CONVERSION DEVICE AND METHOD OF OPERATION
A voltage conversion device includes a transformer and at least one transistor. The transformer has a primary side and a secondary side, the secondary side...
2017/0005579 CONTROL CIRCUIT AND METHOD OF A POWER CONVERTER
A feedback signal stabilized by a capacitor and related to an output voltage of a power converter is used to acquire the output power information of the power...
2017/0005578 SYSTEMS AND METHODS FOR REGULATING POWER CONVERSION SYSTEMS WITH OUTPUT DETECTION AND SYNCHRONIZED RECTIFYING...
System and method for regulating a power conversion system. An example system controller includes: a first controller terminal and a second controller...
2017/0005577 BUCK-BOOST CONVERTER AND CONTROL CIRCUIT THEREOF
A buck-boost converter and a control circuit thereof are disclosed. When an input voltage is close to an output voltage (i.e., the buck-boost converter...
2017/0005576 HIGH EFFICIENCY SWITCHING BOOST CONVERTER WITH REDUCED INDUCTOR CURRENT RIPPLE
A voltage or current regulated power converter is presented. The power converter is configured to derive electrical power at an output voltage V.sub.out at an...
2017/0005575 BOOST CONVERTER CIRCUIT AND A METHOD FOR CONTROLLING A BOOST CONVERTER
A method for controlling a boost converter which generates an output voltage according to an input voltage. The boost converter includes an inductor, a first...
2017/0005574 POWER REGULATOR HAVING CURRENT AND VOLTAGE MODES
A power supply is configured to automatically and rapidly switch from a voltage maintaining mode to a current limiting mode (at times that are unpredictable...
2017/0005573 SYSTEM AND METHOD FOR PREVENTING UNDESIRABLE SUBSTANTIALLY CONCURRENT SWITCHING IN MULTIPLE POWER CIRCUITS
A power system includes a first charge pump configured to supply power, and control circuitry coupled to the first charge pump. The control circuitry is...
2017/0005572 RF EMISSION SPECTRUM RANDOMIZATION AND TARGETED NULLING FOR AN ELECTRONIC DEVICE
In an example, a processing system for an electronic device, such as a capacitive sensing device, includes a reservoir capacitor configured to store charge...
2017/0005571 CURRENT BALANCE CIRCUIT AND THE METHOD THEREOF
A current balance circuit for a power management device having a first current channel and a second current channel, having: a first current sense circuit...
2017/0005570 POWER CONVERTER
In a power converter including at least one bridge circuit configured to have upper and lower arms in which a first power semiconductor device and a second...
2017/0005569 DIFFERENTIAL PROTECTION METHOD FOR BRIDGE CIRCUIT IN CURRENT CONVERTER CONTROL SYSTEM
The present invention relates to a differential protection method for bridge circuit in current converter control system, including the steps of: 1). obtaining...
2017/0005568 IN SITU OVERVOLTAGE PROTECTION FOR ACTIVE BRIDGE APPLICATIONS
An overvoltage protection device protects a half bridge circuit that receives a supply voltage. The overvoltage protection device includes a high speed...
2017/0005567 Determination of Phase Offsets in a Supply System having Multiple Switching Converters
A controller, and related method, to control switching elements of a plurality of voltage converters of a power system. The controller receives a signal...
2017/0005566 COMMON MODE AND DIFFERENTIAL MODE FILTER FOR AN INVERTER AND INVERTER COMPRISING SUCH FILTER
A differential and common mode filter for an inverter, comprising an inductor having a core. The core comprises: an upper joke and a lower joke which comprise...
2017/0005565 ELECTRIC POWER CONVERSION APPARATUS
A single-phase AC/DC electric power conversion apparatus includes an indirect matrix converter having an input interface to receive a first alternating current...
2017/0005564 POWER CONVERTER SYSTEM HAVING ACTIVE STANDBY MODE AND METHOD OF CONTROLLING THE SAME
A power system having a plurality of operating modes including an active mode and an active standby mode includes a power converter and a controller the power...
2017/0005563 Zero-Voltage Transition in Power Converters with an Auxiliary Circuit
An auxiliary circuit may be used to assist in the operation of a power converter to obtain zero-voltage switching. For example, an auxiliary circuit including...
2017/0005562 BUS CAPACITOR BANK CONFIGURATION FOR A MULTI-LEVEL REGENERATIVE DRIVE
A regenerative drive device and a method for configuring the DC link of a regenerative drive device are disclosed. The multilevel regenerative drive device may...
2017/0005561 EDDY CURRENT RETARDER WITH ELECTRICITY GENERATING FUNCTION
An eddy current retarder includes a brake drum, a magnet retention ring, and a switch mechanism. The brake drum is fixed to a rotating shaft. The magnet...
2017/0005560 FLUX FOCUSING MAGNETIC GEAR ASSEMBLY USING FERRITE MAGNETS OR THE LIKE
The present invention relates generally to a flux focusing magnetic gear assembly using ferrite magnets or the like. The present invention also relates...
2017/0005559 POLE-PIECE STRUCTURE FOR A MAGNETIC GEAR
The disclosure provides a pole-piece structure for a magnetic gear, comprising a plurality of laminate plates, wherein each plate is a metallic ring having a...
2017/0005558 MAGNETIC COUPLING ASSEMBLY
The invention relates to a magnetic coupling assembly for associating a first rotatable shaft to a second rotatable shaft, the magnetic coupling assembly...
2017/0005557 BISTABLE ELECTROMAGNETIC ACTUATOR AND SURGICAL INSTRUMENT
A bistable electromagnetic actuator including: a tube; a stator arranged outside of the tube; and a rotor mounted in the tube so as to be displaceable along...
2017/0005556 VIBRATION MOTOR AND MOBILE COMMUNICATION APPARATUS
A vibration motor includes a base portion arranged to extend perpendicularly to a central axis extending in a vertical direction; a magnet portion fixed above...
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