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Patent # Description
US-1,010,3650 Driving device
In a piezoelectric driving device, a load due to flection deformation of a flexible substrate can be prevented from being applied to a piezoelectric element and...
US-1,010,3649 Triboelectric power generator system and method
A triboelectric power generator system uses a power converter to provide a controllable impedance between a triboelectric power generator and a load, in...
US-1,010,3648 Energy harvester
An energy harvester is provided. The energy harvester includes a first friction member, and a second friction member arranged to face the first friction member...
US-1,010,3647 Sensorless measurement method and device for filter capacitor current by using a state observer
A sensorless measurement device for filter capacitor current by using a state observer is provided. The sensorless measurement device comprises a chip, wherein...
US-1,010,3646 Control device for power converter
In a control device, a load determiner determines whether a power converter is in a high-load state or a low-load state. A high-load controller controls on-off...
US-1,010,3645 Power converter
This power converter is provided with: three clusters (CLu, CLv, CLw) in which unit cells are cascade-connected; and power supplies of the same kind which are...
US-1,010,3644 Bridgeless resonant AC-DC converters and systems and control systems therefor
An AC-to-DC converter includes a multi-resonant switching circuit including an AC-AC stage soft-switched LC network that converts a low-frequency low-amplitude...
US-1,010,3643 Space vector modulation for matrix converter and current source converter
A converter includes a transformer including primary windings and secondary windings, switches connected to the primary windings, an output inductor connected...
US-1,010,3642 Power supply device
A power supply device includes a rectifying unit for rectifying an AC input voltage, a voltage conversion unit including a switching element and configured to...
US-1,010,3641 Power converter with parasitic inductance reduced by counter conductor
An electric power converter includes a positive and a negative electrode terminals being disposed parallel and adjacent to each other, a positive electrode side...
US-1,010,3640 Power converter
A power converter, including: at least two inverting modules, where direct current sides of the at least two inverting modules are connected in parallel using a...
US-1,010,3639 Soft switching converter by steering the magnetizing current
A method is shown to create soft transition in selected topologies by controlling and designing the magnetizing current in the main transformer to exceed the...
US-1,010,3638 Flyback converter with capacitor module and switching module
In an example, a circuit for voltage regulation includes a capacitor module, a multiple winding transformer, and a switching module. The capacitor module...
US-1,010,3637 Power converter for a switching power supply and manner of operation thereof
A switching power supply comprises a power converter that includes a transformer, a low side switch and a high side switch. The low side switch draws current...
US-1,010,3636 Single-stage power converter with power factor correction
Systems, methods, and apparatus for a circuit with power factor correction (PFC) are disclosed. In one or more embodiments, the disclosed method comprises...
US-1,010,3635 Buck-boost controller achieving high power factor and valley switching
A high power-factor buck-boost converter having a rectified low-frequency AC line voltage input and a DC output is provided. The converter may include a...
US-1,010,3634 Power converter device based on normally-on type switching devices
A power converter device, includes switching devices and a controller, to realize conversion between power supplies by controlling on and off the switching...
US-1,010,3633 Switching converter with power level selection
A converter and a method of operating a switching converter in a low power mode are presented. The invention relates to a III/V semiconductor switching...
US-1,010,3632 Enhanced phase control circuit and method for a multiphase power converter
A multiphase power converter has a plurality of phase circuits, each of which provides a phase current when being active. During single-phase operation of the...
US-1,010,3631 Power converter circuit and method thereof
A power converter circuit and an associated method of converting an AC power supply. The power converter circuit comprises: a supply rectifier circuit (2) for...
US-1,010,3630 SMPS filter optimization
A power supply is disclosed. The power supply an output diode, a main switch coupled to the input filter and an output inductor coupled to the output diode and...
US-1,010,3629 High side driver without dedicated supply in high voltage applications
A DC-to-DC converter is disclosed. The SMPS driver includes a highside switch having a first terminal, a second terminal and a gate. The first terminal is...
US-1,010,3628 Switchless capacitive high voltage sensing
A circuit and a method for sensing a current flowing through a pass device of a voltage converter. The pass device is switchable between a conducting state and...
US-1,010,3627 Packaged integrated circuit including a switch-mode regulator and method of forming the same
A packaged integrated circuit and method of forming the same. The package integrated circuit includes an integrated circuit formed on a semiconductor die...
US-1,010,3626 Digital power multiplexor
A power multiplexor includes: a first branch including a first transistor coupled in series with a second transistor between a first power supply and a power...
US-1,010,3625 Load driving device, and lighting apparatus and liquid crystal display device using the same
A light emitting load driving device includes a plurality of constant current sources structured to be serially connected to a plurality of light emitting loads...
US-1,010,3624 Thermal sensor circuit
A thermal sensor circuit comprises a conversion circuit which is one of a buck DC-DC converter circuit and a boost DC-DC converter circuit, wherein the...
US-1,010,3623 Semiconductor integrated circuit
A semiconductor integrated circuit for controlling a power switch in accordance with a control signal, which is at one of a first level and a second level for...
US-1,010,3622 Switching module
A switching module comprising at least one power switching device arranged to output from an output node thereof a load current for the switching module, and at...
US-1,010,3621 Multi-stage switched capacitor converter and variable conversion ratio switched capacitor converter
A system comprising: a switched capacitor circuit comprising a plurality of voltage divider circuit stages including a first voltage divider circuit stage...
US-1,010,3620 SIBO boost converter and operation method thereof
In a SIBO boost converter, an inductor current flows from an input to ground through an inductor and a first switch to energize the inductor. The inductor...
US-1,010,3619 Electric power conversion device
An electric power conversion device includes: an active circuit section emitting noises; an output-side filter circuit section; a chassis including a first...
US-1,010,3618 Power factor correction circuit with calculated duty compensation and driving method thereof
Provided is a power factor correction circuit including an inductor having one end to which an input voltage is applied; a power switch connected between...
US-1,010,3617 Regulator circuit and method of operating regulator circuit
A regulator circuit comprises: a regulator output node; at least (N+1) regulator control circuits, N being an integer greater than 1; N drivers, each one of the...
US-1,010,3616 Flyback power converter circuit with active clamping and zero voltage switching and conversion control circuit...
A flyback power converter circuit includes: a transformer, including a primary winding coupled to an input power and a secondary winding coupled to an output...
US-1,010,3615 Eddy current retarder equipment
Eddy current retarder equipment (1) able to be carried on board a vehicle, includes: a stator assembly (2), including inductor windings (23) forming a circuit...
US-1,010,3614 Vibration motor
A vibration motor is provided in the present disclosure. The vibration motor includes a housing, a magnet module received in the housing and fixedly connected...
US-1,010,3613 Mirror driving device
A mirror drive device is provided whereby conduction faults due to short-circuiting can be eliminated. A mirror drive device 1A is provided with a fixed frame,...
US-1,010,3612 Method and apparatus for manufacturing laminated iron core
A method of manufacturing a laminated iron core includes extruding resins from a plurality of plungers toward a plurality of through holes extending from an...
US-1,010,3611 Machine learning apparatus and method for learning arrangement position of magnet in rotor and rotor design...
A machine learning apparatus, which learns a condition associated with arrangement positions of magnets on a core of a motor rotor, includes: a state...
US-1,010,3610 Manufacturing method of core for rotary electric machine
A manufacturing method of a core for a rotary electric machine includes: forming a crimped portion on both a first magnetic steel sheet and a second magnetic...
US-1,010,3609 Bus bar unit manufacturing method
A bus bar unit manufacturing method by insert-molding a plurality of bus bars using insulating resin includes a primary setting step of disposing the plurality...
US-1,010,3608 Generator rotor fretting fatigue crack repair method
A method of servicing, or repairing a crack in, a dovetail portion of a dynamoelectric machine's rotor coil slot wall. The coil slot wall includes a radial...
US-1,010,3607 Rotation angle detector, rotary electrical machine and elevator hoisting machine
In a reference state of a rotation angle detector, plural first output coils include first output coils having the number of windings of Ai and Aj, plural...
US-1,010,3606 Motor including sensor unit with improved detection
A case includes a cylindrical housing arranged to hold a stator, and having an opening portion at a top thereof; and a motor cover fitted to an upper side of...
US-1,010,3605 Polyphase electric motor with device for determination of angular position and/or speed of rotation of rotor of...
A polyphase electric motor (1) of a motor vehicle which includes a rotor (6) and a stator (2, 5, 13) surrounding the rotor and including a plurality of stator...
US-1,010,3604 Rotating rectifier assembly for electric machine
An electric machine assembly, having a first machine providing an alternating current output and a second machine receiving a direct current input, and a...
US-1,010,3603 Electric motor with combined liquid and air cooling
Electric motor includes a housing provided with an opening equipped with a membrane forming a barrier to liquid water between the inside and the outside of the...
US-1,010,3602 Rotary electric machine
Provided is an electric motor capable of cooling a stator without being increased in size with a small number of components and even with simple work. The...
US-1,010,3601 Totally-enclosed main motor
A rotor shaft is configured hollow from an end face on a counter driving side to the front of a proximal end portion of a main plate of a cooling fan....
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