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| Patent # | Description |
|---|---|
| US-9,991,847 |
Method and apparatus for broadband data conversion A receiver may receive a signal and process each of a plurality of sub-bands of the received signal via a respective one of a plurality of first-type receive... |
| US-9,991,845 |
Ground fault detection device When a ground fault detection device detects a ground fault of a photovoltaic string, for example, while a power conditioner is in operation, a great current... |
| US-9,991,844 |
Smart sensor devices for measuring and verifying solar array performance A device comprises a platform constructed and arranged to be mounted to one or more solar array modules and one or more solar irradiance sensors on the platform... |
| US-9,991,842 |
Systems and methods to reduce field buildup between cells and glass and
frame assembly for solar energy production Systems and methods for removing charge buildup/leakage from solar modules. A discharge controller may be coupled between a solar module and a string bus of a... |
| US-9,991,841 |
Self-cleaning solar power system A photovoltaic (PV) module cleaning system can include a robotic cleaning device and a support system. The support system can be configured to provide a metered... |
| US-9,991,840 |
Method and unit for controlling and/or protecting an actuator of a piece
of mobile equipment of a building A method for controlling and/or protecting an actuator of a piece of mobile equipment of a building, the actuator comprising a motor, comprises the steps... |
| US-9,991,839 |
Motor controller A maximum spectrum peak reduction unit sets a PWM count generated by a PWM duty ratio calculation unit for a specific current control period as PWM counts for... |
| US-9,991,838 |
Drive control unit for motor A drive control unit in which a drive control system for a motor is made redundant so that a motor having two coil sets is individually driven and controlled... |
| US-9,991,837 |
Systems and methods for vibration and noise manipulation in switched
reluctance machine drivetrains Systems and methods to manipulate the noise and vibration of a switched reluctance machine (SRM), capable of being implemented in a controller. By use of... |
| US-9,991,836 |
Systems and methods for identifying end stops in a linear motor Systems and methods for operating linear motors, and for determining whether a linear motor has reached the end of its power and return strokes. In one... |
| US-9,991,835 |
Control device for electric compressor A control device for an electric compressor, capable of successfully controlling a drive motor of the compressor in response to the load fluctuation having... |
| US-9,991,834 |
System and method for permanent magnet motor control A method of operating an electric motor is disclosed. The method includes: determining a d-axis resistance of an electric motor and a Q-axis resistance of the... |
| US-9,991,833 |
Control device for rotating electric machine A control device for rotating electric machine, which controls a rotating electric machine as a charging electric generator, using an inverter circuit, the... |
| US-9,991,832 |
Detecting brushfire in power systems In some examples, a detection circuit is configured to detect a brushfire in a power system based on an electrical signal from the power system. The detection... |
| US-9,991,831 |
DC motor control device and game machine A DC motor control device includes a communication circuit configured to receive a control command specifying a target rotation amount for a DC motor, a sensor... |
| US-9,991,830 |
Control method for motor of electronic brake Disclosed is a control method for a motor of an electronic brake. The control method for a motor of an electronic brake includes: a stop mode-starting step of... |
| US-9,991,829 |
Direct-axis current protection method and device for permanent magnet
synchronous motor drive system A direct-axis current protection method and device for a permanent magnet synchronous motor drive system. The method includes: pre-calculating the direct-axis... |
| US-9,991,828 |
Voltage level detecting device, motor driving apparatus, motor driving
system, and method for detecting voltage... A voltage level detecting device is provided including comparators, a detection circuit, a trigger signal output circuit, a delayed control signal output... |
| US-9,991,827 |
Methods and apparatus for automatic lead angle adjustment using fly-back
voltage for brushless DC control A method includes: outputting high side driver gate signals to a plurality of high side driver devices and outputting low side driver gate signals to a... |
| US-9,991,826 |
Motor control circuit, motor drive control apparatus and control method of
motor drive control apparatus A motor control circuit comprising a speed control circuit configured to output speed command information relating to the rotational speed of a motor based on... |
| US-9,991,825 |
Outdoor power equipment system with modular motor and modular battery A power equipment system with a plurality of power equipment units each including a working tool. Each of the power equipment units may include provisions... |
| US-9,991,824 |
Self powered optical system Apparatus for a self-powered optical transmitter system. One such system includes an inductor, a power converter, an optical driver, and an optical transducer.... |
| US-9,991,823 |
Assembly for an ultrasonic motor The invention relates to an assembly for an ultrasonic motor, comprising an actuator body, an actuator retainer that accommodates the actuator body, an actuator... |
| US-9,991,822 |
MEMS component and method for the production thereof The invention proposes a MEMS component having a crystalline base body (GK), a recess (AN) and a structured assembly (A) which closes said recess, in which an... |
| US-9,991,821 |
Transformerless multiple output capable power supply system An energy efficient apparatus includes a switching device, a frequency dependent reactive device, and a control element is provided. The switching device is... |
| US-9,991,820 |
Multi-level converter and method of operating same A multi-level converter is provided. The multi-level converter may include a plurality of direct current (DC) sources coupled in series to form a DC link, and... |
| US-9,991,819 |
Power conversion system and method for detecting isolated operation of the
same A power conversion system is capable of distinguishing easily and clearly between being interconnected to the power system and being in an isolated operation.... |
| US-9,991,818 |
Apparatuses and related methods for a wireless power receiver using
coupled inductors A wireless power enabled apparatus includes a wireless power receiver. The wireless power receiver includes one or more receive coils configured to generate an... |
| US-9,991,817 |
Power converting device that uses a sine-wave-shaped current control range
to output drive signal A power converting device includes: a rectifying circuit connected to an alternating-current power supply for converting alternating-current power from the... |
| US-9,991,816 |
Method for operating an at least generator-operable electric motor and
means for the implementation thereof A method for controlling a multi-phase electric machine, operable at least in generator mode, whose phase terminals in an active bridge rectifier are... |
| US-9,991,815 |
Power conversion apparatus A power conversion apparatus is provided with a bus bar connecting a cable connected to an external power supply or load and an internal circuit. To provide... |
| US-9,991,814 |
Pre-charging circuit of inverter A pre-charging circuit of inverter is disclosed, the pre-charging circuit of inverter including a relay arranged between an output node of the rectifier and an... |
| US-9,991,813 |
Method for data transmission from a transmitter to a receiver in an AC
power supply system, and apparatus for... The invention relates to a method for the data transmission from an emitter (1) to a receiver (2) in an AC voltage network, comprising a distributor (3) and at... |
| US-9,991,812 |
Variable blanking frequency for resonant converters A power supply includes a transistor that is connected to a primary winding of a transformer. A controller controls a switching operation of the transistor by... |
| US-9,991,811 |
Control method and control apparatus for flyback circuit The present invention discloses a control method and a control apparatus for a Flyback circuit. The Flyback circuit includes a primary switch, a secondary... |
| US-9,991,810 |
Gate pre-positioning for fast turn-off of synchronous rectifier A synchronous rectifier driver pre-positions a gate of a synchronous rectifier to allow for fast turn-off. The synchronous rectifier driver turns ON the... |
| US-9,991,809 |
Insulation-type synchronous DC/DC converter The feedback IC is provided at the secondary side of the DC/DC converter and is coupled to the photo coupler. The error amplifier amplifies an error between a... |
| US-9,991,808 |
Cross regulation circuit for multiple outputs and cross regulation method
thereof A cross regulation circuit for multiple outputs, includes an input end and at least two output ends. A first output end of the at least two output ends is... |
| US-9,991,807 |
Apparatus and method for driving synchronous rectifier Provided is apparatus and a method for driving synchronous rectifiers, which relate to the field of power supplies for communications. The apparatus includes:... |
| US-9,991,806 |
Voltage converter circuitry and methods implementing modulated feedback
signal Disclosed is a voltage converter and a method. The voltage converter includes: an input, an output, and a transformer including a primary winding and a... |
| US-9,991,805 |
On and off controlled resonant DC-DC power converter The present invention relates to a resonant DC-DC power converter comprising an input side circuit comprising a positive and a negative input terminal for... |
| US-9,991,804 |
Bus controller including feedback control unit reducing power consumption A power supply apparatus is provided, that supplies a bus voltage V.sub.BUS to a detachable device. A DC/DC converter generates a DC voltage V.sub.OUT used as... |
| US-9,991,803 |
Reduction of electromagnetic interference in a flyback converter A method for reducing electromagnetic interference in a flyback converter includes activating a first switch to generate a primary current therein. The first... |
| US-9,991,802 |
Systems and methods for regulating output currents of power conversion
systems Systems and methods are provided for regulating a power conversion system. An example system controller includes a first controller terminal and a second... |
| US-9,991,801 |
Hybrid hysteretic control for LLC converter An LLC converter includes an input having a first node and a second node. A first switch is coupled between the first node and a third node and a second switch... |
| US-9,991,800 |
Switched mode power supply with efficient operation at light loads and
method therefor A switched mode power supply includes an active clamp flyback converter having an input for receiving an input voltage, and an output for providing a regulated... |
| US-9,991,799 |
Switch mode power supplies including primary side clamping circuits
controlled based on secondary side signals A switch mode power supply includes an input, an output, and a power converter coupled between the input and the output. The power converter includes a... |
| US-9,991,798 |
Constant on-time control for power converter An electronic device includes a power stage, a switch and a controller. Power is transferred from an input through the power stage to an output. The switch... |
| US-9,991,797 |
Semiconductor element drive apparatus A semiconductor element drive apparatus for driving first and second semiconductor elements connected to a half-bridge circuit at respectively an upper-level... |
| US-9,991,796 |
Switch drive circuit A switch drive circuit includes a high-side power supply section, a latch circuit, a high-side driver, a low-side driver, and a high-side switch control... |
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