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Patent # Description
US-7,990,107 Electronic device and charging control circuit
An exemplary charging control circuit includes a signal shaping unit, a first switch unit, and a second switch unit. The signal shaping unit receives a control...
US-7,990,106 Battery charging systems and methods with adjustable current limit
Embodiments of the present invention include techniques for charging a battery using a regulator. In one embodiment, the present invention includes an...
US-7,990,105 Power supply device for a vehicle
A high voltage power supply device has a plurality of battery modules connected to each other in series by coupling a safety plug unit to a safety plug unit...
US-7,990,104 Mobile charger receptacle configured with universal serial bus (USB), cigarette lighter adapter (CLA) plug and...
The present invention is a mobile charger receptacle configured with universal serial bus (USB), cigarette lighter adapter (CLA) plug, and control firmware,...
US-7,990,103 Portable electronic apparatus, and battery charging system comprising an antenna arrangement for a radio receiver
A charging system for a portable electronic device is disclosed. The system comprises a charging station providing a magnetic field for power distribution by an...
US-7,990,102 Cordless power supply
A cordless power supply comprising a battery, a power conversion unit, a first standard coupling half permanently affixed to the power conversion unit and a...
US-7,990,101 Multi-configurable, scalable, redundant battery module with multiple fault tolerance
An energy delivery system includes at least one string of two or more energy delivery modules electrically coupled in series. Each energy delivery module...
US-7,990,100 Battery control device and hybrid forklift truck equipped with the device
A hybrid forklift truck is provided with an engine, a battery-driven motor generator, and a battery control device that prevents excessive exhaustion or...
US-7,990,099 Power converting device for electric train
A power converting device for an electric train includes a power converter, an alternating-current motor, a primary control unit, and a control unit. The power...
US-7,990,098 Series-coupled two-motor drive using double-ended inverter system
Systems and apparatus are provided for an inverter system for use in a vehicle. The inverter system comprises a six-phase motor having a first set of...
US-7,990,097 Power conversion system and method for active damping of common mode resonance
Power conversion systems and methods are presented for damping common mode resonance, in which inverter or rectifier switching control signals are selectively...
US-7,990,096 Mobile operating device and method for using said device
There is described a method to operate a mobile operating device and a mobile operating device, with which machines within of effective ranges which are spanned...
US-7,990,094 Motor controller and electric power steering apparatus
The micro computer 17 continue an output of a motor control signal to execute a current control to carry to each of two phases a phase current changing like a...
US-7,990,093 Electric motor control apparatus
A control apparatus for a multiphase AC electric motor having an inverter includes a current control including an abnormal-state current controller; an...
US-7,990,092 Blower motor for HVAC systems
A blower motor assembly having a variable speed motor that is suitable for direct, drop-in replacement in a residential HVAC (heating, ventilation, and air...
US-7,990,091 Pump controller system and method
A method and apparatus for a pump control system. One or more embodiments of the invention include a pump controller that can perform a self-calibrating...
US-7,990,090 Method for determining the position of a rotor of a synchronous machine having at least one excitation winding
A method for determining the position at rest of a rotor of a machine having at least one excitation winding. The invention provides a technique for detecting...
US-7,990,089 Repetitive error correction method for disk-drive spindle motor control systems
Methods, systems and computer program products for compensating repeatable timing variations associated with a spindle motor are described. Specifically, a...
US-7,990,088 Motor control apparatus
At an initial drive operation after turning on of an electric power source, an ECU sequentially changes each current exciting phase among multiple phases...
US-7,990,087 System and method for providing cooling fan characteristic feedback
A device comprising a fan controller, an encoder, a driver, a resistor/capacitor filter, and a baseboard management controller. The fan controller is configured...
US-7,990,086 Seat-assembly movement system
Seat-assembly movement system, for collecting up and deploying rows of seats (1) at the installation site, by means of sliding on guides (2) arranged in the...
US-7,990,085 Generator control unit
An object of the present invention is to provide a generator control unit having improved voltage response in a system which is not provided with a battery in a...
US-7,990,084 Linear stepping motor
A linear motor includes a stator having teeth symmetrically formed on upper and lower surfaces thereof at regular pitch; a movable member including upper cores...
US-7,990,083 Method and system for variable color lighting
A method, for controlling color output of a variable color lighting system (1) capable of emitting light within a color gamut, comprising the steps of receiving...
US-7,990,082 Methods and systems for operating and controlling theatrical lighting
A system and method for increasing a number of lights operated and/or controlled by dimmer boxes of theatrical light systems. In one embodiment, a master box is...
US-7,990,081 Pulse width modulation based LED dimmer control
Methods and apparatus for implementing and operating pulse width modulation based LED dimmer controllers are described. A synchronization protocol is used to...
US-7,990,080 System and method for controlling multiple light sources
A system for controlling multiple light sources is provided. The system includes a controller, a digital to analog converter (DAC), and at least one power...
US-7,990,079 Method and apparatus for providing selectively colored light
An apparatus for providing selectively-colored light is disclosed. The apparatus includes a circuit having a plurality of diodes each including an anode and a...
US-7,990,078 Lighting control system having a trim circuit
A lighting control system suitable for a surgical lighting device. The lighting control system includes circuitry that compensates for the effects of...
US-7,990,077 LED control circuit
A LED control circuit includes an LED array circuit and a control circuit. The LED array circuit has a plurality of parallel branches, each of which has a...
US-7,990,076 Lamp driver circuit and method for driving a discharge lamp
A lamp driver circuit (400) comprises a feedback circuit for controlling stable operation of a discharge lamp (La), e.g. an inductively coupled discharge lamp...
US-7,990,075 High intensity discharge lamp lighting device and lighting fixture
In order to optimally control power outputted from a high intensity discharge lamp lighting device for a difference among loads connected thereto, such as a...
US-7,990,074 Adaptive algorithm for camera flash LED power control vs. battery impedance, state of discharge (SOD), aging,...
A method for driving a light-emitting semiconductor is provided. A supply voltage is converted into a secondary output voltage for supplying the light-emitting...
US-7,990,073 Method for operating a fluorescent lamp that is connected to a series resonant circuit
A method for operating a fluorescent lamp which is connected to a series resonant circuit with a resonant circuit inductance and a resonant circuit capacitance....
US-7,990,072 Balancing arrangement with reduced amount of balancing transformers
A backlighting arrangement constituted of: a driving transformer; at least one balancing transformer; a plurality of luminaires, a first end of each of the...
US-7,990,071 Lamp drive circuit for driving a number of lamps and balancing currents flowing through the lamps
A lamp drive circuit used for driving a number of lamps is provided. The lamps are used in a backlight module. The backlight module is used for providing a...
US-7,990,070 LED power source and DC-DC converter
Isolated LED power sources and DC-DC converters therefor are presented in which the DC-DC converter includes a self-oscillating inverter driving an output...
US-7,990,069 Method and circuit for driving a gas discharge lamp
A method for driving a gas discharge lamp and relates to a lamp driver circuit for driving a gas discharge lamp. The method includes supplying a current to the...
US-7,990,068 Field emission light emitting device
In accordance with the invention, there are nanoscale electron emitters, field emission light emitting devices, and methods of forming them. The nanoscale...
US-7,990,067 Plasma display panel
Row electrode pairs and column electrodes are provided between the front glass substrate and the back glass substrate. Magnesium oxide single-crystal particles,...
US-7,990,066 Plasma display panel and plasma display apparatus with phosphor including magnesium oxide
A plasma display panel and a plasma display apparatus are disclosed. The plasma display panel includes a front substrate, a rear substrate positioned to be...
US-7,990,065 Plasma display panel with improved luminance
The PDP has a front panel, and has a back panel with address electrodes formed thereon. Front panel has display electrodes including first electrodes and second...
US-7,990,064 Photomultiplier
The present invention relates to a photomultiplier that realizes significant improvement of response time properties with a structure enabling mass production....
US-7,990,063 LED illuminating device
An LED illuminating device includes a first LED illuminating module, a second LED illuminating module, and a connecting module. The first LED illuminating...
US-7,990,062 LED lamp
An LED lamp includes a heat dissipation part, an optical part and an electric part. The optical part includes an LED module attached to a heat dissipation...
US-7,990,061 Organic light emitting diode display device
An organic light emitting diode (OLED) display device according to an exemplary embodiment of the present invention includes a first substrate, a second...
US-7,990,060 Organic light emitting display device and method of manufacturing the same
An organic light emitting display device that is capable of preventing the permeation of moisture by changing a sealing structure, thereby preventing the...
US-7,990,059 Organic electroluminescence display device
The strength of the whole OLED is increased by proposing a new method of fixing OLED panels. To address the problem, an OLED element is formed on a substrate,...
US-7,990,058 Top-emitting OLED device with light-scattering layer and color-conversion
A top-emitting OLED device, comprising: one or more OLEDs formed on a substrate; a light-scattering layer formed over the one or more OLEDs; a transparent...
US-7,990,057 Surface emitting-type electroluminescent device
A surface emitting-type electroluminescent device capable of being driven by a DC power source and excellent in durability is provided. A surface emitting-type...
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