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Patent # Description
US-9,871,453 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...
US-9,871,452 Transformer, flyback converter and switching power supply with the same
A flyback converter can include: a power switch controlled to be turned on/off to control a current through a primary side; a first primary winding coupled...
US-9,871,451 Systems and methods for voltage control and current control of power conversion systems with multiple operation...
System and method for regulating a power conversion system. A system controller for regulating a power conversion system includes an operation-mode-selection...
US-9,871,450 Isolated step-up converter
An isolated step-up converter having first and second stages is described herein. The second stage can provide either DC or AC output based on the various...
US-9,871,449 Multiphase DC/DC converter with coupling inductors
A two-phase DC/DC converter includes, as an inductor array, a pair of inductors to which a DC input voltage is alternately applied with a phase difference of...
US-9,871,448 Super N-phase switching mode power supply
A power supply system. The power system includes a power supply controller for supplying a control signal. The power system also includes a plurality of MOSFET...
US-9,871,447 DC-DC converter
Provided is a DC-DC converter implemented in a small area with a fast transient response. The DC-DC converter includes: a power supply unit configured to supply...
US-9,871,446 Current mode control regulator with load resistor emulation
A current mode control regulator including a control circuit and a current generator. The control circuit regulates an output voltage based on a reference...
US-9,871,445 Power converter with efficiency calculation
A switched power converter includes a power stage. The power stage includes a sensor for sensing an output current to obtain a sensed output current, a sensor...
US-9,871,444 Integrated circuit with configurable control and power switches
Disclosed examples include integrated circuits configurable according to sensed circuit conditions to provide configurable power converter topologies with...
US-9,871,443 Power control circuit for setting triggering reference point of over current protection scheme
A power control circuit is provided, which includes a pin and a current source. The current source is electrically coupled to the pin and provides a reference...
US-9,871,442 Zero-offset voltage feedback for AC power supplies
A high voltage AC measurement method and circuit is disclosed to measure with zero offset and mirrored distortion based on hybrid chopping and fully...
US-9,871,441 Current feedback method, current feedback circuit, driving circuit and switching power supply thereof
In one embodiment, a current feedback circuit can include: (i) a first current mirror circuit having an input terminal coupled to a source of a main power...
US-9,871,440 Internal power supply circuit and semiconductor device
A control switch is connected to a power supply voltage and turns on based on a control signal to output a current. A clamp circuit is connected to a load and...
US-9,871,439 Power electronic circuit and power module
Disclosed herein is a power electronic circuit having a reference ground and a differential mode loop unit. The differential mode loop unit has a capacitance...
US-9,871,438 Control device for a PFC converter and corresponding control method
A control device for a converter of the switched-mode type provided with an inductor element and a switch element generates a driving signal for controlling...
US-9,871,437 Fault current reduction structure of multi-level converter and apparatus using the fault current reduction...
Provided are a multi-level converter having more than one converter arm in which a plurality of sub-modules are connected in series, multi-level converter...
US-9,871,436 Three-phase three-level inverter with reduced common mode leakage current
A system and methods for reducing common mode leakage current for a three-phase three-level inverter using a single modulation waveform, implemented by a...
US-9,871,435 Direct drive motor for robotic finger
A direct drive motor for a robotic finger. The direct drive motor includes a plurality of outer magnets and a coil assembly including a plurality of coils...
US-9,871,434 Position detection device to determine a moving distance of a moving body
A moving body includes a first position detector configured to detect a position of the moving body by detecting poles of magnets and a second position detector...
US-9,871,433 Linear actuator and tube assembly method for linear actuator
A linear actuator includes a first tube and a second tube inserted into the first tube to be free to slide. The first tube includes an outer tube and a cap...
US-9,871,432 Micro vibration motor
A micro vibration motor, includes: a housing having an accumulating space, an elastic support, a vibrator suspended in the accommodation space by the elastic...
US-9,871,431 Spintronic generator
A spintronic generator that provides electrical power with the motive force of natural electron spin. The utilization of natural electron spin can be enhanced...
US-9,871,430 Insertion method of U-shaped conductors
Provided are an insertion method and an insertion apparatus for efficiently and reliably inserting a plurality of coil elements aligned in a ring shape into...
US-9,871,429 Stator yoke for bicycle generator hub
A stator yoke is provided for a bicycle generator hub. The stator yoke includes a first tubular section and a plurality of first pole sections. The first...
US-9,871,428 Method for removing bars or coils from slots of an electric machine
The method for removing a bar or coil from a slot of an electric machine includes weakening the bonding between the slot and the bar or coil, and then removing...
US-9,871,427 Stator winding for an electric motor
An electric motor having a rotor core with a rotatable shaft extending therethrough, and a stator positioned radially outward of the rotor core is disclosed...
US-9,871,426 Electrical machine with reduced windage
A rotating machine has a shaft rotatable about an axis, a rotor rotatable with the shaft, and a rotor end winding at an axial end of the rotor. A stator is...
US-9,871,425 Electric machine
An electric machine includes a housing which accommodates a stator and a rotor rotationally supported about an axis of rotation, and has a front/rear air inlet...
US-9,871,424 Electric tool
In the present invention, a housing having a trunk part accommodating therein a brushless motor and an output part to which a tip tool is to be connected, a...
US-9,871,423 Rotary actuator vibration control mechanism
To provide a rotary actuator vibration control mechanism that both reduces vibration during operation and contributes to simplifying the overall structure. In...
US-9,871,422 Terminal unit of vehicle traction motor and method of manufacturing the same
A terminal unit of a vehicle traction motor includes a terminal mold, bus bars which are assembled and fixed in within the terminal mold, and insulation spacers...
US-9,871,421 Split-core type motor and method of manufacturing armature of split-core type motor
A split-core type motor makes work for connecting lead wires of split coils simple and efficient and reduces manufacturing costs and time taken to connect wires...
US-9,871,420 Rotor for a rotary electric machine and rotary electric machine comprising such a rotor
A rotor (1) comprising a plurality of alternating magnetic poles formed by permanent magnets (3) distributed regularly between a circumferential portion (5) and...
US-9,871,419 Rotor of permanent-magnet embedded motor, and compressor, blower, and refrigerating/air conditioning device...
A rotor of a permanent-magnet embedded motor includes a rotor core having magnet insertion holes along a circumferential direction and a magnet inserted into...
US-9,871,418 Sensorless electric machine
A rotor component that comprises a rotor circuit configured for use with either an interior permanent magnet (IPM) machine or a synchronous reluctance machine...
US-9,871,417 Rotating electric machine and vehicle equipped with rotating electric machine
A rotating electric machine, in which a cross conductors of a stator connect slot conductors so as to stride N+1 slots at coil ends on one side and stride N-1...
US-9,871,416 Resonant type high frequency power supply device
A resonant type high frequency power supply device provided with a power semiconductor element that performs a switching operation at a high frequency exceeding...
US-9,871,415 Transferring power to a mobile device
Embodiments of the disclosure may include a system for transferring power, the system having a donor mobile device. Such a donor mobile device may include...
US-9,871,414 Secure wireless power access protocol suited for implementing levels of service in public and private environments
Embodiments are directed to a system for transferring power wirelessly from a transmitter to a receiver, the transmitter having a transmitter processor and a...
US-9,871,413 Wireless power receiving apparatus
A first switch is arranged between one end of a reception antenna and one end of a load. A second switch is arranged between the aforementioned one end of the...
US-9,871,412 Wireless power reception devices
A wireless power reception device may comprise a resonance coil configured to receive power from outside of the wireless power reception device in a magnetic...
US-9,871,411 HVAC home generator
A natural gas or liquified propane powered generator incorporated into a HVAC unit, for supplying emergency power to a residence or commercial business. The...
US-9,871,410 Switching selector for selecting a power source
A switching selector for selecting a power source from two power sources. It includes a controller, a detection circuit, a transistor and two groups of four...
US-9,871,409 LPS architecture for UPS systems
According to one aspect, embodiments herein provide a UPS comprising a transformer including a first primary winding configured to be coupled to a DC source, a...
US-9,871,408 Distributing power between data centers
A data center operable using only electric power based on renewable energy. The data center includes at least one device driven by the electric power, a storage...
US-9,871,406 Reserve power system transfer switches for data center
A system for performing computing operations in a data center includes one or more sets of computer systems, one or more primary power systems, and a reserve...
US-9,871,405 Voltage regulating circuit
Disclosed is a voltage regulating circuit, comprising an input end, an output end, a protecting switch, a first switch, a second switch, a third switch, a first...
US-9,871,404 Emergency lighting devices with LED strings
Emergency lighting devices and methods are disclosed. An emergency lighting device includes a first group of solid state emitters configured to emit light of a...
US-9,871,403 Power feeding apparatus for solar cell, and solar cell system
A power feeding apparatus for solar cells has: a voltage regulator, i.e., a voltage adjusting unit; a relay, i.e., a switch unit; and a control unit. The...
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