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Patent # Description
US-8,111,063 Magnetic rotation sensing
Embodiments for rotation sensing are provided. The device may include a magnet apparatus comprising a magnet, the magnet apparatus configured to be coupled to a...
US-8,111,062 Low mass driveshaft speed sensor assembly
A speed sensor assembly comprises: a driveshaft with a driveshaft axis, a sensing portion of the driveshaft having an axial bore along the driveshaft axis and...
US-8,111,061 Multi-output determination circuit
An embodiment of the present invention provides a multi-output determination circuit that determines whether or not any one input voltage of a plurality of...
US-8,111,060 Precision AC current measurement shunts
A more precise and cost effective means than previously commercially available for measuring alternating currents up to 100 amperes in the frequency range from...
US-8,111,059 Electric current locator
The disclosure herein provides an apparatus for location of a quantity of current vectors in an electrical device, where the current vector has a known...
US-8,111,058 Circuit for generating reference voltage of semiconductor memory apparatus
A reference voltage generating circuit in a semiconductor memory apparatus comprises a driving control signal generating unit configured to generate a driving...
US-8,111,057 Cascode current mirror circuit, bandgap circuit, reference voltage circuit having the cascode current mirror...
A cascode current mirror circuit and a bandgap circuit are provided. The circuits are used together and function as a reference voltage circuit. The reference...
US-8,111,056 Converter control device for a bidirectional power supply system having plural parallel phases
A converter device which is configured by connecting three converter circuits in parallel is provided between a secondary battery serving as a first power...
US-8,111,055 Method for controlling a direct current chopper controller
A method of controlling a direct current ("DC") chopper controller having a switch and a storage choke in which the choke has a current dependent on the...
US-8,111,054 Voltage conversion device capable of enhancing conversion efficiency
A voltage conversion device capable of enhancing conversion efficiency includes a charge pump for generating output voltage linear to input voltage according to...
US-8,111,053 DC-DC converter
The present invention provides a DC-DC converter including a first series circuit connected to both ends of a first switch and formed of a winding of a first...
US-8,111,052 Zero voltage switching
A method for providing non-resonant zero-voltage switching in a switching power converter. The switching power converter converts power from input power to...
US-8,111,051 Step-down switching regulator
An output monitoring comparator outputs an ON signal when an output voltage becomes lower than a reference voltage. A pulse modulator generates a pulse signal...
US-8,111,050 Power factor control systems and methods
A boost converter comprises an inductance that receives an input signal. A switch controls current supplied by the inductance to a load. A power factor control...
US-8,111,049 Power supply device for an electric circuit
In the case of a power supply device (2) for an electric circuit (3), an energy source (4) and an electric filter (7) are provided for the reliable and...
US-8,111,048 Double fed synchronous generator motor
A double fed synchronous generator motor which is coupled to a reversible pump-turbine and operated while switched to a power generating operation mode or a...
US-8,111,047 Sensor node voltage clamping circuit and method
A voltage clamping circuit includes a current source having a fixed current source and a variable current source and a variable resistor receiving current from...
US-8,111,046 Technique for conveying overload conditions from an AC adapter to a load powered by the adapter
A constant voltage/constant power AC adapter converts AC voltage to DC voltage to provide power to a plurality of loads. The adapter's output characteristic is...
US-8,111,044 Auxiliary power adapter having device controls
An accessory for a portable electronic device, such as a digital music player, includes a set of device controls for controlling the portable electronic device....
US-8,111,043 Method and apparatus for charging an electric vehicle from a streetlight
Streetlights along streets and in parking lots are often suitably located for a vehicle to park in immediate proximity. An electric vehicle charging system and...
US-8,111,042 Integrated wireless resonant power charging and communication channel
A power delivery system wirelessly deliver electric power and a communication signal to a target device. The power delivery system includes a power transmitting...
US-8,111,041 Power transmission control device, power reception control device, non-contact power transmission system, power...
A power reception device transmits authentication information (e.g., start code, manufacturer ID, product ID, rated power information, and resonance...
US-8,111,040 Method and apparatus for handling a charging state in a mobile electronic device
In accordance with the teachings described herein, a method and apparatus for handling a charging state in a mobile electronic device is provided. A universal...
US-8,111,039 Multiple function current-sharing charging system and method
Multiple function current-sharing charging systems and methods are provided. Where first and second rechargeable power supplies are connected to a charging...
US-8,111,038 Vehicle electronic systems with battery management functions
An electronic system in a vehicle includes a motor, a charger, a battery pack, and a bus. The motor drives wheels and propellers of the vehicle. The charger...
US-8,111,037 Method for battery state-of-health monitoring using battery voltage during vehicle starting
A method is provided for determining a battery's state-of-health. An initial battery voltage is measured after a first voltage drop during an initiation of an...
US-8,111,036 System for electrically connecting and disconnecting a vehicle generator from a vehicle storage unit
An energy recovery system for a vehicle uses an electric generator, such as an alternator, connected to the vehicle's engine or a wheel to recover kinetic...
US-8,111,035 Charging system, charging device and battery pack
A charging system is provided with a secondary battery, a charging current supplier for supplying a charging current to the secondary battery, an internal...
US-8,111,034 Solar-powered charger with heat-dissipating surface
A solar-powered charger includes a solar collector configured to generate electrical energy when exposed to light, a connector coupled to the solar collector to...
US-8,111,033 Stepping motor control circuit and analog electronic timepiece
The present invention aims to prevent a nonrotation state from being brought about even when a drive allowance is changed by variations in a stepping motor or...
US-8,111,032 Indicating instrument for vehicle
An indicating instrument for a vehicle includes a step motor including a field winding, a pointer, a stopper device for stopping the pointer, which is rotating...
US-8,111,030 Motor control apparatus and motor control method
A motor control apparatus and a motor control method determine whether the motor is in a back-pressure area so as to provide different rotation-speed control...
US-8,111,029 Methods and systems for automatic rotation direction determination of electronically commutated motor
A method for determining a direction of rotation for an electronically commutated motor (ECM) is described. The motor is configured to rotate a blower and the...
US-8,111,028 Integrated fan drive system for cooling tower
An integrated fan drive system for a cooling tower comprising a high-torque, low speed permanent magnet motor having a rotatable shaft, a fan comprising a hub...
US-8,111,027 Motor drive device
The present motor control device detects from the speed of a motor and a current driving the motor that the motor is overloaded, and exerts control to set a...
US-8,111,026 Electric motor drive apparatus, hybrid vehicle with the same and stop control method of electric power...
An ECU activates a shutdown permission signal and provides it to an AND gate when a shutdown signal is inactive. Thus, when an abnormality sensing device does...
US-8,111,025 Charged particle accelerators, radiation sources, systems, and methods
Man-portable radiation generation sources and systems that may be carried by hand to a site of interest by one or two people, are disclosed. Methods of use of...
US-8,111,024 Programmable radio frequency waveform generator for a synchrocyclotron
A synchrocyclotron comprises a resonant circuit that includes electrodes having a gap therebetween across the magnetic field. An oscillating voltage input,...
US-8,111,023 Control system for different colors of light emitting diodes
A control system includes a clock unit for providing a first clock signal, and a second clock signal having a frequency lower than that of the first clock...
US-8,111,022 Lighting system comprising interconnectable lighting modules
This invention relates to a lighting system. The lighting system includes a plurality of interconnectable polygonal lighting modules, wherein each lighting...
US-8,111,021 Lighting system and a method for controlling a lighting system
A method of controlling a lighting system includes a learning procedure. The lighting system includes lighting modules and a controlling device. The lighting...
US-8,111,020 Apparatus and method for driving backlight unit
The present invention is directed to a drive apparatus for a backlight unit (20) in which plural LED (Light Emitting Diode) elements are cascade-connected every...
US-8,111,019 Sensing type control circuit for electronic apparatus
A sensing type control circuit for an electronic apparatus is provided. An output unit is coupled between an external power source and the electronic apparatus...
US-8,111,018 Application infrastructure for constructing illumination equipments with networking capability
An application infrastructure for constructing illumination equipments with a transmission function includes at least one lamp reporting device for reporting a...
US-8,111,017 Circuits and methods for controlling dimming of a light source
A controller for controlling dimming of a light source includes a detection pin, an input signal pin, and a monitoring pin. The detection pin is operable for...
US-8,111,016 Control system for multiple fluorescent lamps
The present invention is directed to an apparatus that drives a lighting system with multiple lamps. A phase shift mechanism is produced either by a digital...
US-8,111,015 Brightness-adjustable illumination driving system
An illumination driving system includes a control unit and at least one base. The control unit includes a first converter and a brightness-adjustable circuit....
US-8,111,014 Drive circuit for driving a load with constant current
A drive circuit (1) for driving a load (3) comprises: a switched mode power supply (10) for supplying at the output (2a, 2b) a switched output current (IL); a...
US-8,111,013 Method and firmware for controlling voltage and current in a fluorescent lamp array
A method and firmware for controlling voltage and current in an electrical load includes steps of calculating a numerically quantized duty cycle of a...
US-8,111,012 Method and firmware for controlling an inverter voltage by drive signal frequency
A method and firmware for controlling an inverter voltage includes steps of receiving as input a digitized feedback signal representative of an inverter voltage...
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