39th week of 2011 patent applcation highlights part 22 |
Patent application number | Title | Published |
20110234077 | HIGH INTENSITY REPLACEABLE LIGHT EMITTING DIODE MODULE AND ARRAY - A light fixture, comprising a matrix, a plurality of electrical sockets fixedly secured to the matrix and forming a rigid matrix of electrical sockets electrically interconnected in two dimensions. One or more light emitting diode modules are individually removable and replaceable within any individual electrical socket within the matrix. Each individual light emitting diode module includes a base and a light emitting diode, wherein the base is configured and arranged for fitted electrical engagement within the electrical socket. | 2011-09-29 |
20110234078 | LIGHTING DEVICE - Disclosed is a lighting device. The lighting device includes:
| 2011-09-29 |
20110234079 | POLARIZER AND ORGANIC ELECTROLUMINESCENT DEVICE HAVING THE SAME - An organic electroluminescent device is disclosed. The organic electroluminescent device includes a window, a polarizer placed below the window, resin placed between the window and the polarizer, and having a refractive index similar to that of the window and the polarizer, and a self-emissive layer placed below the polarizer. The polarizer includes a polarization layer for polarizing light incident from the outside, a first wave plate for retarding the phase of the polarized incident light, and a second wave plate for retarding the phase of the incident light having passed through the first wave plate. | 2011-09-29 |
20110234080 | LIGHT-EMITTING DEVICE AND ILLUMINATION DEVICE - According to one embodiment, a light-emitting device includes a substrate, a light reflection layer, a plurality of light-emitting elements, and a sealing member. The substrate includes an insulating layer constituted of epoxy resin using an acid anhydride as a hardening agent or one of a polyimide resin, a polyethylene terephthalate resin, and a fluororesin. The light reflection layer is formed on the insulating layer. The light reflection layer includes a metallic light-reflecting surface higher in optical reflectance than the insulating layer. The light-emitting elements are mounted on the light-reflecting surface. The sealing member is constituted of a material having gas permeability and translucency, and is formed on the insulating layer to seal the light reflection layer and the light-emitting elements. | 2011-09-29 |
20110234081 | INTERFACE AND FABRICATION METHOD FOR LIGHTING AND OTHER ELECTRICAL DEVICES - Interfaces for electrical (e.g., lighting) devices involve use of electrically conductive edge contacts arranged on or protruding from edges of printed circuit boards (PCBs) that provide or facilitate electrical connections to first and second externally accessible electrical contacts, such as may include threaded and foot contacts of a lighting device including a screw-shaped male base. First and/or second edge contacts of a PCB may protrude through first and second openings in a housing to form first and second externally accessible contact, or directly engage first and second externally accessible contact elements associated with (e.g., retained by) the housing. A contact element retained by a housing may define a slot in the interior of the housing to directly engage an edge contact of the PCB. Electric power is supplied to the PCB via edge contacts without need for intervening wires or soldered connections. | 2011-09-29 |
20110234082 | LIGHT BULB UTILIZING A REPLACEABLE LED LIGHT SOURCE - The present invention is a light bulb featuring a removable LED light source. The preferred source being a lighting source with a three dimensional lead frame as disclosed in the parent applications to this application. Control circuitry is included to convert electrical power into power usable by the LEDs. | 2011-09-29 |
20110234083 | LIGHT EMITTING APPARATUS - In a light emitting apparatus including a plane-shape light emitting area, a power supply area extending along the light emitting area, and a power supply voltage feeding part configured to feed a power supply voltage to the power supply area. The power supply area supplies a current to the light emitting area across an edge of the power supply area facing the light emitting area. The power supply voltage feeding part is connected to a power supply port provided on another edge of the power supply area opposite to the light emitting area. The power supply area includes a first non-conductive area surrounded by a conductive area located on a shortest path from the power supply port to the edge of the power supply area facing the light emitting area. | 2011-09-29 |
20110234084 | ELECTROLUMINESCENT DISPLAYS - An electroluminescent display comprising a mask defining the information to be displayed and an electroluminescent (EL) backlight. The mask compress a layer ( | 2011-09-29 |
20110234085 | FIELD EMISSION DEVICE - A field emission device including: a first substrate on which at least one gate electrode line, at least one cathode line, and at least one electron emission source are formed; a second substrate on which an anode and a phosphor layer are formed; a side frame which is interposed between the first substrate and the second substrate and surrounds an area between the first substrate and the second substrate to form a sealed internal space, wherein the first substrate is offset from the second substrate by a predetermined length in a first direction perpendicular to a direction in which the first substrate and the second substrate are spaced apart from each other by the side frame; a rear terminal part through which a voltage is applied to the gate electrode line and the cathode line, and which is formed on a protruding region of the first substrate protruding by the predetermined length; and an anode terminal part through which a voltage is applied to the anode, wherein the anode terminal has a first end which contacts the anode, and a second end which is exposed to outside of the side frame. | 2011-09-29 |
20110234086 | FIELD EMISSION DEVICE - A field emission device includes: a first substrate on which a gate electrode line, a cathode line, and an electron emission source are formed; a second substrate disposed to face the first substrate, and on which an anode and a phosphor layer are formed; and a side frame surrounding an area between the first substrate and the second substrate, and forming a sealed internal space, wherein the first substrate and the second substrate respectively comprise a first protrusion part and a second protrusion part that protrude outside the side frame in the same direction, wherein a rear terminal part for applying a voltage to the gate electrode line and the cathode line is formed on the first protrusion part, wherein an anode terminal for applying a voltage to the anode is formed on the second protrusion part. | 2011-09-29 |
20110234087 | Display Device and Manufacturing Method Thereof - A display device in which light leakage in a monitor element portion is prevented without increasing the number of steps and cost is provided. The display device includes a monitor element for suppressing influence on a light-emitting element due to temperature change and change over time and a TFT for driving the monitor element, in which the TFT for driving the monitor element is provided so as not to overlap the monitor element. Furthermore, the display device includes a first light shielding film and a second light shielding film, in which the first light shielding film is provided so as to overlap a first electrode of the monitor element and the second light shielding film is electrically connect to the first light shielding film through a contact hole formed in an interlayer insulating film. The contact hole is formed so as to surround the outer edge of the first electrode of the monitor element. | 2011-09-29 |
20110234088 | OPTICALLY-FUNCTIONAL FILM AND METHOD OF MANUFACTURING THE SAME, DISPLAY AND METHOD OF MANUFACTURING THE SAME - There are provided an optically-functional film allowed to prevent peeling due to adhesion failure or deterioration due to moisture diffusion and a method of manufacturing the same, and a display allowed to prevent a decline in luminance and a color change depending on a viewing angle and a method of manufacturing the same. The optically-functional film includes: an intermediate layer, made of an insulating material including silicon, and having silicon-containing particles therein or on a top surface thereof; and an outermost layer made of the same material as that of the intermediate layer, whereas having a density higher than that of the intermediate layer, and having a bottom surface in contact with a top surface of the intermediate layer and a top surface with asperities. | 2011-09-29 |
20110234089 | NOVEL COMPOUND AND USE THEREOF - A compound according to the present invention is represented by the general formula (1). This makes it possible to provide (i) a novel compound that exhibits a practically sufficient light-emitting property not only in a case where the novel compound is used as a luminescent dopant, but also in a case where the novel compound is used solely, and (ii) use of the novel compound. | 2011-09-29 |
20110234090 | PLATINUM COMPLEX COMPOUND AND ORGANIC ELECTROLUMINESCENT DEVICE - An organic electroluminescent device is provided and has at least one organic layer between a pair of electrodes. The organic compound contains a compound represented by the following formula (I): | 2011-09-29 |
20110234091 | NON-EVAPORABLE GETTER FOR FIELD-EMISSION DISPLAY - The present invention provides a non-evaporable getter for an FED which can remove a plurality of types of gases. The non-evaporable getter for the FED has a first layer containing titanium, and a second layer containing crystalline zirconium layered on the first layer. The average value of crystalline grain sizes of the crystalline zirconium is 3 nm or more but 20 nm or less. | 2011-09-29 |
20110234092 | LED LIGHT SOURCE AND LAMP COMPRISING SUCH A LED LIGHT SOURCE - A LED light source comprises:
| 2011-09-29 |
20110234093 | MAGNETRON AND MICROWAVE OVEN THEREWITH - A magnetron has an anode cylinder, ten vanes, three strap rings. The ten vanes are fixed to an inner surface of the anode cylinder and arranged in a radial pattern of which center is at an axis of the anode cylinder. Each of the three strap rings connects vanes that are alternatively arranged. A first strap ring and a third strap ring are arranged on a first end of the vanes in a direction of axis, and a second strap ring is arranged on a second end that is opposite to the first end. Outer diameter of the second strap ring is equal to inner diameter of the first strap ring and outer diameter of the third strap ring is equal to inner diameter of the second strap ring. | 2011-09-29 |
20110234094 | FAST WARM-UP AND INSTANT LIGHT ENERGY SAVING LAMP ASSEMBLY - A lamp assembly provides both instant light through use of an incandescent/halogen lamp source and an energy saving type light provided by a compact fluorescent lamp source. Both light sources are enclosed within a common envelope or outer bulb. The sensor member monitors a temperature of the cathode and mercury reservoir of the compact fluorescent lamp source in order to determine when to terminate power to the incandescent lamp source. | 2011-09-29 |
20110234095 | Integrated Gas Discharge Lamp having Constant Light Emission During the Burning Time - An integrated gas discharge lamp ( | 2011-09-29 |
20110234096 | Integrated Gas Discharge Lamp with an Ignition Electronics Integrated Into the Base for Generating Asymmetrical Ignition Pulses - An integrated gas discharge lamp ( | 2011-09-29 |
20110234097 | OLED WITH INTEGRATED DELAY STRUCTURE - An organic light-emitting diode ( | 2011-09-29 |
20110234098 | Power Transmission Circuit with EMI Shielding, Lighting Module, and Panel Display Module - A power transmission circuit, a light source module including the power transmission circuit, and a panel display device are provided. The power transmission circuit includes a substrate, a power transmission layer, a metal shielding layer, a first protective layer, and a second protective layer. The substrate has a first surface and a second surface with the power transmission layer and the metal shielding layer respectively formed thereon. The metal shielding layer covers a projection region of a transmission section of the power transmission layer. The first and second protective layers are respectively disposed on the power transmission layer and the metal shielding layer and opposite to the substrate to protect the power transmission layer and the metal shielding layer. | 2011-09-29 |
20110234099 | PLASMA GENERATION APPARATUS - Provided is an apparatus, such as an arc mitigating device, which can include a first plasma generation device and a second plasma generation device. The second plasma generation device can include a pair of opposing and spaced apart electrodes and a low voltage, high current energy source connected therebetween. A conduit can be configured to direct plasma between the first and second plasma generation devices, such that the second plasma generation device receives plasma generated by the first plasma generation. The plasma from the first plasma generation device can act to reduce the impedance of an area between the pair of opposing electrodes sufficiently to allow an arc to be established therebetween due to the low voltage, high current energy source. | 2011-09-29 |
20110234100 | SUBSTRATE PROCESSING APPARATUS AND METHOD OF MANUFACTURING SEMICONDUCTOR DEVICE - A processing speed may be easily controlled over the wide range within the impedance variation range. A substrate processing apparatus includes: a processing chamber configured to process a substrate; a substrate support unit configured to support the substrate in the processing chamber; a processing gas supply unit configured to supply a processing gas into the processing chamber; a plasma generation electrode configured to convert the processing gas supplied into the processing chamber to be in a plasma state; a radio frequency power source configured to apply a radio frequency power to the plasma generation electrode; a variable impedance electrode installed at the substrate support unit and configured to control an electric potential of the substrate; a variable impedance mechanism connected to the variable impedance electrode and configured to vary an impedance according to a reciprocal of a peak-to-peak voltage of the plasma generation electrode; an exhaust unit configured to exhaust an atmosphere in the processing chamber; and a controller configured to control at least the variable impedance mechanism. | 2011-09-29 |
20110234101 | Induction switch - The invention relates to an induction switch comprising a discharge container filled with gas and a coaxially interleaved electrode device, and to a corresponding method for commutating high voltages. The inductive production of a dense plasma and the subsequent flooding of an electrode gap with the plasma ions produced enables the commutation of high currents in the kiloamp range when there are blocking voltages of over 500 kV. Such an induction switch only requires a single discharge gap, can be used over a very wide voltage range, and avoids the problem of electrode erosion as a result of the electrode-free energy coupling. | 2011-09-29 |
20110234102 | APPARATUS FOR NORMAL PRESSURE PLASMA IGNITION AND METHOD FOR NORMAL PRESSURE PLASMA IGNITION USING SAME - Provided are an apparatus for normal pressure plasma ignition and a method for normal pressure plasma ignition using the same. The apparatus for normal pressure plasma ignition of the present invention comprises a wave guide tube wherein microwaves are applied, a dielectric tube that penetrates said wave guide tube and introduces a reactant gas, and an ignition apparatus for normal pressure plasma wherein microwaves are applied in said dielectric tube to turn said reactant gas into plasma, wherein said ignition apparatus penetrates said dielectric tube and includes an ignition rod that emits thermal electrons as said microwaves are applied in said dielectric tube. The apparatus for normal pressure plasma ignition according to the present invention enables ignition to be accomplished without power, so that the problems with the prior art that requires high voltage (excessive power, stability issues) may be avoided at the same time. In addition, the normal pressure plasma ignition apparatus according to the present invention enables movement of the ignition rod inside and outside its dielectric tube so that physical damage to the ignition apparatus due to plasma heat may be prevented, and also affords the effect that the scope of metallic materials used in the ignition apparatus is significantly wider than that of the prior art. | 2011-09-29 |
20110234103 | Operating device and method for operating at least one Hg low pressure discharge lamp - An operating device for operating at least one Hg low-pressure discharge lamp which has a first and a second electrode coil may include a unit for providing a variable that is correlated with the Hg vapor pressure in the at least one Hg low-pressure discharge lamp comprises at least one unit for capturing emission spectra of at least specifiable spectral ranges, wherein the unit for capturing emission spectra may include at least one light receiving unit which is arranged in the beam path of the at least one Hg low-pressure discharge lamp. | 2011-09-29 |
20110234104 | LOAD DETERMINATION DEVICE AND ILLUMINATION APPARATUS USING SAME - An illumination load determination device includes an illumination load; a voltage applying unit for applying a voltage to the illumination load; a connection unit for connecting the illumination load and the voltage applying unit; a detection unit for detecting at least one of a current flowing through the illumination load and a voltage across the illumination load when the voltage is applied to the illumination load from the voltage applying unit via the connection unit; and a determination unit for determining a type of the illumination load based on an output from the detection unit. The determination unit has a comparator for comparing a detection value detected by the detection unit to a predetermined threshold, and determines that the illumination load has a capacitance based on an output of the comparator. The voltage applying unit lights on the determined illumination load with a rated driving voltage. | 2011-09-29 |
20110234105 | AUTOMATIC METHOD TO DETECT SHORT AND OPEN CONDITIONS ON THE OUTPUTS OF A LED DRIVER DEVICE - Driving a light-emitting element by a driver capable of testing at least an open or short condition of the light-emitting element. In particular, a driving signal is generated to drive the light-emitting element. It is evaluated based on the value of the driving signal whether a predetermined condition is reached. If so, a latch signal is output indicating that the testing has finished. | 2011-09-29 |
20110234106 | THREE-PHASE LED POWER SUPPLY - A three phase rectifier rectifies received three phase a.c. power to generate a ripple d.e. voltage. A power distribution bus conveys distribution panel conveys distribution power comprising the ripple d.c. voltage or an a.c. voltage derived therefrom to a location of an LED based lamp that is distal from the three phase rectifier. Additional circuitry disposed with the LED based lamp drives the LED based lamp using the distribution power. | 2011-09-29 |
20110234107 | LED LIGHT WITH THERMOELECTRIC GENERATOR - An LED based light and a method of providing power to the LED are disclosed. The LED based light includes at least one LED and at least one thermoelectric generator having a first side and a second side. The first side is thermally coupled to the at least one LED such that heat generated by the at least one LED is conducted to the at least one thermoelectric generator, producing a temperature differential between the first side and second side. The at least one thermoelectric generator is configured to produce electrical energy from the temperature differential. | 2011-09-29 |
20110234108 | CAPACITIVE CURRENT-SHARING CONTROL CIRCUIT FOR LED LAMP STRING - A capacitive current-sharing control circuit for LED lamp strings includes a signal generating unit, a control unit, a current-sharing unit, and a light-emitting unit. The control unit is used to control a driving voltage, which is generated from the signal generating unit, to drive the light-emitting unit, thus effectively providing a stable current source to the light-emitting unit to maintain illuminating brightness of the LED lamp strings. | 2011-09-29 |
20110234109 | LED LAMP APPARATUS AND METHOD FOR ADJUSTING COLOR TEMPERATURE OF LED MODULE THEREIN - A light emitting diode (LED) module is disclosed. The LED module includes a plurality of LED strings each including a plurality of LEDs in a serial connection with each other and disposed with respect to a central axis of a base board in a co-axial fashion, a plurality of drivers each connected to the corresponding LED string for providing adjustable driving currents to trigger each of the LED strings respectively and to adjust a color temperature of each of the LED strings, and a controller, connected to the plurality of drivers, for generating a plurality of output signals and outputting the output signals to the plurality of drivers respectively in response to a predetermined setting so as to adjust the color temperature. | 2011-09-29 |
20110234110 | LED DRIVER CIRCUIT - A light-emitting diode (LED) driver circuit is provided, which includes a transistor, a current regulator, a release diode, and a voltage clamping device. The transistor is coupled in series with an LED string. The LED string is coupled between the transistor and a bus voltage. The current regulator is coupled to the transistor for regulating the current through the transistor and the LED string to a predetermined current. The release diode has an anode coupled between the LED string and the transistor. The voltage clamping device is coupled to the cathode of the release diode for clamping the voltage level at the cathode of the release diode to a predetermined voltage. The voltage clamping device protects the transistor from breakdown when the transistor is turned off for dimming control. | 2011-09-29 |
20110234111 | LAMP DRIVER - There is provided a lamp driver including: a power supplying part switching an input power, supplying a driving power to at least one lamp, and controlling brightness of the at least one lamp according to a dimming signal; a signal supplying part supplying a first comparison result signal obtained by comparing a current sensing signal sensing a current flowing through the at least one lamp with a reference signal having a current level set beforehand when the dimming signal is a logic high signal, and supplying a second comparison result signal having a voltage level set beforehand when the dimming signal is a logic low signal; and a controlling part controlling the switching of the power supplying part according to a signal being supplied by the signal supplying part. | 2011-09-29 |
20110234112 | LAMP DRIVING CIRCUIT - The present invention provides a lamp driving circuit. When it is used to drive a number of lamps arranged in a hybrid serial-parallel configuration, the lamp driving circuit eliminates the parasitic current in series branch circuits by using an inverse transformer, which makes the current passing each of the lamps in each of the series branch circuits consistent and consequently eliminates the imbalance of each of the lamps. | 2011-09-29 |
20110234113 | LED LAMP - An LED lamp includes two LED modules and a control module. The LED modules emit lights with different color temperatures. The lights are mixed in the LED lamp and form an output light with another color temperature. The control module controls the brightness levels of the lights emitted from the two LED modules to thereby control the color temperature of the output light. | 2011-09-29 |
20110234114 | AC LED LIGHTING ELEMENT AND AC LED LIGHTING SYSTEM METHODS AND APPARATUS - A lighting element ( | 2011-09-29 |
20110234115 | LED DRIVE CIRCUIT, LED ILLUMINATION FIXTURE, LED ILLUMINATION DEVICE, AND LED ILLUMINATION SYSTEM - An LED drive circuit in which an alternating voltage is input and an LED is driven, and which can be connected to a phase control dimmer The LED drive circuit is provided with an edge detector for detecting an edge of the output voltage of the phase control dimmer; and a current extractor for extracting a current from a current feed line for feeding an LED drive current to the LED; wherein the value of the current extracted from the current feed line by the current extractor is varied in accordance with the detection results of the edge detector. | 2011-09-29 |
20110234116 | METHOD FOR PROGRAMMING ELECTRONIC OPERATING DEVICES FOR DISCHARGE LAMPS AND ELECTRONIC OPERATING DEVICE FOR DISCHARGE LAMPS - A method for programming an electronic operating device is provided. The method may include programming the operating device via a slow on/off switching pattern of its supply voltage, the operating device being configured to automatically dim the connected light or lights on a time-control basis after programming, and choosing the time base of the on/off switching pattern used for programming such that a person can carry out the programming using a clock and an on/off switch for the supply voltage. | 2011-09-29 |
20110234117 | Solid State Device Controller - A solid state device controller is provided that includes a first electrical connector configured to be in electrical communication with an alternating current (AC) electrical power source and a second electrical connector in electrical communication with the first electrical connector, wherein the second electrical connector is configured to be in electrical communication with a direct current (DC) electrically powered device. The controller further includes circuitry in communication between the first electrical connector and the second electrical connector, wherein the circuitry is configured to convert the supplied AC electrical power to DC electrical power, and a housing configured to enclose at least a portion of the first electrical connector, the second electrical connector, and the circuitry, wherein the housing is further configured to be removably received by a service panel assembly. | 2011-09-29 |
20110234118 | Complex Crystal Phosphor, Light Emitting Device, Surface Light Source Apparatus, Display Apparatus, and Lighting Device - A complex crystal phosphor is an inorganic composition containing at least an M element, an Al element, silicon, oxygen, and nitrogen. The inorganic composition has particles having at least two types of crystal phase, and the at least two types of crystal phase include a first crystal phase which is the same as a M | 2011-09-29 |
20110234119 | INTENSITY CHANGING WITH REDUCED FLICKER FOR DIGITALLY-CONTROLLED LIGHTING - A system for changing a light source intensity comprises a processor and a memory. The processor is configured to receive a command intensity for a light source, wherein the light source has a current intensity, and wherein an intensity of the light source is ramped toward the command intensity from the current intensity automatically. The processor is further configured to determine a non-linear curve for the intensity of the light source, wherein at least a portion of the non-linear curve includes a beginning portion slope that is steeper at a beginning of the portion than an end portion slope at an end of the portion and to cause a change of a light source intensity by ramping over a time interval, wherein the light source intensity targets conforming to the non-linear curve for the intensity of the light source. The memory coupled to the processor and configured to provide instructions to the processor. | 2011-09-29 |
20110234120 | ILLUMINATION DEVICE FOR PLANTS - An illumination device for plants includes a lighting unit mounted on a lamp seat and including a cold cathode fluorescent lamp and a light emitting diode (LED) unit. A driving unit is mounted to the lamp seat, is coupled to the cold cathode fluorescent lamp and the LED unit, and is operable so as to drive the cold cathode fluorescent lamp and the LED unit such that the cold cathode fluorescent lamp and the LED emit respectively color lights having respective wavelengths. A dimming unit is coupled to the driving unit, and is operable so as to output a dimming output to the driving unit. The driving unit drives the cold cathode fluorescent lamp and the LED unit based on the dimming output from the dimming unit so that the color light emitted by each of the cold cathode fluorescent lamp and the LED unit has a respective light intensity. | 2011-09-29 |
20110234121 | METHOD AND SYSTEM OF CONTROLLING ILLUMINATION CHARACTERISTICS OF A PLURALITY OF LIGHTING SEGMENTS - The invention provides a method and system of controlling illumination characteristics of a plurality of lighting segments. According to the invention, there is provided an illumination system, comprising: a plurality of lighting segments; a detecting subsystem configured to detect an illumination intensity and/or color of lights emitted from each lighting segment; a controller configured to receive the detecting subsystem's output signals representing illumination intensity and/or color of lights emitted from each lighting segment and to generate sets of driving signals to respectively adjust the driving currents of each lighting segment in response to the output signals, so as to adjust the illumination intensity and/or color of the lights emitted from each lighting segment in accordance with a predetermined illumination setting, wherein each set of driving signals has a unique period feature which is distinguished from that of other sets of driving signals corresponding to other lighting segments. | 2011-09-29 |
20110234122 | CIRCUITRY FOR DRIVING LIGHT EMITTING DIODES AND ASSOCIATED METHODS - Circuitry and methods for driving a plurality of LED strings are disclosed herein. In one embodiment, the circuitry comprises a plurality of current regulating circuits electrically coupled to the LED strings and are configured to regulate a current flowing through the LED strings. At least two control circuits are coupled to the current regulating circuits and are configured to generate a control signal according to terminal voltages of the corresponding current regulating circuits. A voltage converter is electrically coupled to the LED strings and to the at least two control circuits, and is configured to regulate the DC driving voltage according to the at least two control signals. | 2011-09-29 |
20110234123 | Dynamic Loading of Power Supplies - A circuit for altering a level of impedance presented to a power supply including a power supply line includes an energy dissipating circuit, a detection circuit configured to generate a control signal indicative of a power consumption level in a load circuit coupled to the power supply line, and an activation circuit configured to controllably couple the energy dissipating circuit to the power supply line in response to the control signal. Methods of operating a solid state lighting apparatus including a power supply and a solid state lighting device coupled to the power supply include detecting a level of power consumption by the solid state lighting device, and coupling an energy dissipating circuit to the power supply in response to the level of power consumption by the solid state lighting device falling below a threshold level. | 2011-09-29 |
20110234124 | Optimized power demand control system for electrical motors - An energy conservation system that realizes optimized power demand control for alternating current electrical motors equipped with variable frequency drives is implemented by switching an electrical motor via bypass systems from a variable frequency and speed drive mode of operation to a constant frequency and speed drive mode of operation and from a constant frequency and speed drive mode of operation to a variable frequency and speed drive mode of operation. The switching from one mode of operation to another is automatically executed based on the comparative analysis of historical and current trends of the electrical motor actual power demand at variable and constant speed drive modes of operation at various loads. The system optimizes the electrical motor operation by selecting the mode with the lower magnitude of cumulative power demand for the motor and motor drive at a given motor load. | 2011-09-29 |
20110234125 | ARRANGEMENT FOR SUPPLYING POWER TO A COUPLED SYSTEM OF MACHINES - An arrangement for supplying power to a system includes a first electric drive unit constructed to supply mechanical power to or receive mechanical power from a first coupled system of machines and a second electric drive unit constructed to supply mechanical power to or receive mechanical power from a second coupled system of machines. The first and second coupled system of machines are constructed to receive mechanical power or mechanical energy or to supply mechanical power or mechanical energy. The arrangement further includes a first kinetic energy storage device having a first electrical energy exchange machine which is electrically connected to the first electric drive unit, and a second kinetic energy storage device having a second electrical energy exchange machine which is electrically connected to the second electric drive unit. The first kinetic energy storage device is coupled to the second kinetic energy storage device. | 2011-09-29 |
20110234126 | METHOD AND APPARATUS TO MONITOR AN ELECTRIC MOTOR CONTROL CIRCUIT - An electric motor control circuit includes an electric energy storage device electrically connected via DC power buses to an inverter circuit that connects via an alternating current circuit to an electric machine. A capacitive shunt circuit connects between the power buses. Current flow through the capacitive shunt circuit to the chassis ground is monitored. A fault is identified when the current flow through the capacitive shunt circuit to the chassis ground exceeds a threshold. | 2011-09-29 |
20110234127 | CURRENT LIMITING DEVICE FOR VEHICLE - A current limiting device for vehicle includes a switching portion that passes/cuts off a current from an input terminal to an output terminal, a reflux portion that is connected to a connection point of the switching portion and the output terminal and supplies a current to a motor generator while the switching portion is cutting off the current, a current measurement portion that measures the current flowing from the output terminal to the motor generator, and a current control portion that controls the switching portion to switch ON/OFF according to a current value measured by the current measurement portion. When the motor generator is motor-driven using electric power of a condenser, the current control portion limits the current to the motor generator by controlling the switching portion to switch ON/OFF in a case where the measured current value is equal to or exceeds a predetermined current value. | 2011-09-29 |
20110234128 | POWER SUPPLY CIRCUIT AND MOTOR DEVICE - A power supply circuit has an input terminal for electrically connecting to an active wire of an AC power supply, an earth terminal for electrically connecting to a neutral or ground wire of the AC power supply, and a voltage decreasing unit. The voltage decreasing unit has an adjustable capacitor unit with adjustable capacitance for decreasing an AC voltage applied to the input terminal and an output terminal for outputting the decreased AC voltage. An electric motor is combined with the power supply circuit to form a motor device. | 2011-09-29 |
20110234129 | MOTOR DRIVING CIRCUIT - First and second A/D converters perform analog/digital conversion of first and second signals of a Hall signal so as to generate third and fourth signals as digital signals. A differential conversion circuit generates a fifth signal as a single-ended signal that corresponds to the difference between the third and fourth signals. An offset correction circuit corrects offset of the fifth signal so as to generate a sixth signal. An amplitude control circuit stabilizes the amplitude of the sixth signal to a predetermined target value, and generates its absolute value, thus generating a seventh signal. A control signal generating unit generates a control signal based upon the seventh signal. A driver circuit drives a motor according to the control signal. | 2011-09-29 |
20110234130 | MOTOR CONTROL DEVICE - A motor control device for controlling a three-phase brushless motor that has a rotor and field coils includes: a load range determining unit that determines a rotor rotation angle range, in which the three-phase brushless motor becomes a load, as a load range when a short-circuit fault occurs in one of a plurality of switching elements. The load range determining unit determines a rotor rotation angle range, in which load current is presumed to flow through a closed circuit formed of the short-circuit switching element and any one of regenerative diodes connected in parallel with the respective normal switching elements when the rotor is rotated in a state where all the switching elements other than the short-circuit switching element are turned off, as the load range. | 2011-09-29 |
20110234131 | METHOD AND APPARATUS FOR CONTROLLING PULSE-WIDTH MODULATION IN AN ELECTRIC MOTOR - In a method of controlling current in a control circuit of an electric motor, pulse-width modulation (PWM) pulses are applied to a stator of the electric motor, via a plurality of transistors of the control circuit, using a first control mode when a rotational speed of a rotor of the electric motor is within a first range. At least one PWM pulse is applied to the stator, via a subset of the plurality of transistors, using a second control mode when the rotational speed of the rotor is within a second range. When it is determined that the rotational speed of the rotor has changed from being within the second range to being within the first range, additional PWM pulses are applied to the stator such that, for each of the plurality of transistors, a current through the transistor does not exceed a maximum current capacity of the transistor. | 2011-09-29 |
20110234132 | TORQUE BASED ELECTRONIC PULSE WIDTH MODULATION CONTROL SYSTEM FOR A SWITCHED RELUCTANCE MOTOR - Methods and systems of accelerating a brushless, DC electric motor based on torque may include determining a slope based on a maximum torque of the BLDC motor at a lower operating load and a maximum torque of the motor at a higher operating load, determining a period of the rotor based on sensor signals, and determining and applying a phase advance to a PWM pulse for a subsequent revolution of the rotor based on the period and the slope. In some embodiments, the amount of the phase advance is further based on maximum load optimum advance and/or maximum load speed. In some embodiments, a phase dwell is determined based on a positive torque zone and applied to the PWM pulse. In some embodiments, when the motor is operating below a given threshold, fixed-width PWM pulses are applied to subsequent revolutions of the rotor instead of phase-advanced PWM pulses. | 2011-09-29 |
20110234133 | BRUSHLESS MOTOR DRIVE APPARATUS AND DRIVE METHOD - The present invention relates to a drive apparatus and drive method for switching an energization mode when a voltage of a non-energized phase of a brushless motor crosses a threshold. In threshold learning, first, the brushless motor is stopped at an initial position. The brushless motor is then rotated by performing phase energization based on the energization mode from the stopped state. The voltage of the non-energized phase at an angular position of switching the energization mode is detected from a maximum value or a minimum value of the voltage of the non-energized phase during the rotation, and the threshold is learned based on the detected voltage. Alternatively, the brushless motor is positioned at the angular position of switching the energization mode by maintaining one energization mode, and then the energization mode is switched to the next energization mode. The voltage of the non-energized phase immediately after the switching to the energization mode is detected, and the detected voltage of the non-energized phase is learned as the threshold used to determine the timing of switching to the next energization mode. | 2011-09-29 |
20110234134 | PM BRUSHLESS MOTOR DRIVE CIRCUIT TOPOLOGY AND CONTROL - An inverter for a permanent magnet brushless do machine, having a permanent magnet rotor and a set of stator windings, applies the full dc voltage provided to the inverter to each phase of the machine. | 2011-09-29 |
20110234135 | MOTOR CONTROL DEVICE - A motor control device that has a high-frequency component, and a DC bias component that has a magnitude which causes a motor to be magnetically saturated and take on a certain value over a predetermined period, and is positively and negatively symmetrical are impressed as an observation command on a d-axis current command. The polarity of the magnetic pole of a permanent magnet is identified based on a relationship of large and small magnitudes between a first amplitude, which is attained during a period during which a DC bias component takes on a positive certain value, among amplitudes of a high- frequency component contained in a d-axis response voltage computed based on a feedback current respondent to the observation command, and a second amplitude attained during a period during which the DC bias component takes on a negative certain value. | 2011-09-29 |
20110234136 | POWER FACTOR CORRECTION DRIVE CIRCUIT TOPOLOGIES AND CONTROL FOR SWITCHED RELUCTANCE MACHINES - Drive circuits that provide power factor correction and input current waveform shaping for controlling the speed and torque in a switched reluctance machine (SRM). The machine's phase windings are split into two segments, one of which is used for active power factor correction, input ac current waveform shaping and partial torque generation and the other of which is used for torque generation. | 2011-09-29 |
20110234137 | SYSTEM CLOCK MONITORING APPARATUS AND MOTOR CONTROL SYSTEM - A mode determination circuit is configured to determine whether there is a status change of the electric system associated with a frequency variation of a system control clock, and a clock change circuit is configured to change the system control clock from a system clock to a monitoring clock based on a determination result obtained by the mode determination circuit. | 2011-09-29 |
20110234138 | MOTOR DRIVE DEVICE - A motor drive device has a drive unit having at least three pairs of upper and lower arms including switching elements at each of the upper arm and the lower arm, for driving a motor based on an ON/OFF operation of each of the switching elements by a PWM signal, a single current detection resistor for detecting a current flowing to the drive unit, and a control unit for detecting a current value of a current flowing to each phase of the motor based on the current flowing to the current detection resistor, and outputting the PWM signal to each of the switching elements based on a target current value of each phase and the detected current value of each phase. | 2011-09-29 |
20110234139 | Electronically commutated serial-parallel switching for motor windings - A method and a circuit for controlling an ac machine comprises controlling a full bridge network of commutation switches which are connected between a multiphase voltage source and the phase windings to switch the phase windings between a parallel connection and a series connection while providing commutation discharge paths for electrical current resulting from inductance in the phase windings. This provides extra torque for starting a vehicle from lower battery current. | 2011-09-29 |
20110234140 | MOTOR DRIVE UNIT - The motor drive unit includes: an energized phase switch section; a power stage; a PWM control section; a torque comparison section configured to compare the voltage level of a torque command signal with the voltage level of a comparison reference signal; a comparison reference signal production section configured to produce the comparison reference signal; and an energization control section configured to drive the power stage by synchronous rectification PWM drive when the voltage level of the torque command signal is higher than the voltage level of the comparison reference signal, and by a scheme other than the synchronous rectification PWM drive when the voltage level of the torque command signal is lower than the voltage level of the comparison reference signal. | 2011-09-29 |
20110234141 | CONTROL DEVICE FOR MACHINE TOOL - A control device which controls a servo motor of a machine tool in the event of power failure is provided. The control device includes a power failure detecting unit ( | 2011-09-29 |
20110234142 | NUMERICAL CONTROLLER CONTROLLING FIVE-AXIS MACHINING TOOL - A five-axis machining tool that machines a workpiece mounted on a table using three linear axes and two rotary axes is controlled by a numerical controller. The numerical controller calculates a translational compensation amount and a rotational compensation amount by obtaining axis-dependent translational compensation amounts and axis-dependent rotational compensation amounts on the basis of commanded axis positions. Then, the numerical controller moves the three linear axes and the two rotary axes of the five-axis machining tool to positions obtained by adding the translational compensation amount and the rotational compensation amount thus calculated to a command linear axis position and a command rotary axis position, respectively. | 2011-09-29 |
20110234143 | VOLTAGE-CONTROLLED STEPPER MOTOR DRIVER - A stepper motor driver system includes: a digital signal controller configured to digitally synthesize synthesized analog voltage signals that will induce a desired velocity of a stepper motor when applied to a pair of stepper motor windings; and voltage amplifiers, communicatively coupled to the digital signal controller, configured to amplify the synthesized analog voltage signals to produce amplified analog voltage signals and to output the amplified analog voltage signals; where the digital signal controller is configured to synthesize the analog voltage signals by affecting at least one of a phase or an amplitude of each of the analog voltage signals as a function of the desired velocity of the stepper motor | 2011-09-29 |
20110234144 | MOTOR CONTROL DEVICE AND ELECTRICAL EQUIPMENT WITH MOTOR CONTROLLED THEREBY - A motor control device includes a current detecting unit detecting current flowing into a motor winding, a speed/electrical angle estimating unit estimating a rotational speed and an electrical angle of the motor, based on the current, a load torque estimating unit estimating load torque to be developed by a load, from a torque current obtained based on the current and the electrical angle, a motor constant and inertia moment of the motor inclusive of the load, a load torque phase calculating unit calculating a phase of periodic fluctuation indicated by the load torque, a torque-compensating current determining unit determining a sinusoidal torque-compensating current, based on the load torque phase, and an amplitude/phase adjusting unit detecting speed fluctuation of the motor to adjust amplitude and phase of the torque compensating current by increasing or decreasing the amplitude and the phase so that the speed fluctuation is reduced. | 2011-09-29 |
20110234145 | HIGH ACCELERATION ROTARY ACTUATOR - A high acceleration rotary actuator motor assembly is provided comprising a plurality of phase motor elements provided in tandem on a shaft, each phase element including a rotor carrying magnets which alternate exposed poles, the rotor being connected to the shaft and surrounded by a stator formed of a plurality of interconnected segmented stator elements having a contiguous winding to form four magnetic poles, the stator being in electrical communication with a phase electric drive unit, wherein each of the poles exert a magnetic force upon the magnets carried by the rotor when the poles are electrically charged by the phase electric drive unit. The rotors and magnets of each phase motor element are offset about the shaft from one another. In addition, the phase motor elements are electrically isolated from one another. | 2011-09-29 |
20110234146 | CONTROLLER OF SPINDLE PROVIDED WITH ENCODER - The controller controls a spindle connected to an induction motor via a belt by controlling the rotational velocity of the induction motor. The spindle has an encoder attached thereto for detecting the position of the spindle, but the induction motor does not have a velocity detector attached thereto. The velocity of the induction motor is estimated from the spindle velocity obtained from output of the encoder, and slip of the belt is detected based on the estimated velocity of the induction motor. When occurrence of slip of the belt is detected, the estimated velocity of the induction motor will not be used for the control of the induction motor. | 2011-09-29 |
20110234147 | CONTROLLER FOR SPINDLE WITH ENCODER - A controller controls the rotational speed of an induction motor, thereby controlling a spindle connected to the induction motor. Although an encoder for detecting the position of the spindle is mounted on the spindle, a speed detector is not attached to the induction motor. The speed of the induction motor is estimated from a spindle speed obtained by the encoder, and an excitation frequency command for the induction motor is determined based on the estimated speed. | 2011-09-29 |
20110234148 | BATTERY CHARGING DEVICE WITH MULTIPLE POWER SOURCES - A battery charging device with multiple power sources comprises a battery device having a battery; a power input adjusting and charging circuit connected to an external power source for determining the power charging of the battery; a power charging control circuit for detecting voltages of the battery for determining whether the power input adjusting and charging circuit is charged to the battery; a power charging device | 2011-09-29 |
20110234149 | PHOTOVOLTAIC POWER GENERATION SYSTEM - A photovoltaic power generation system in which an electricity generated by solar cells and a remaining battery level can be checked at once, thus enabling the photovoltaic power generation system to be efficiently operated. The photovoltaic power generation system is provided to charge a battery of a vehicle and is equipped with solar cells for feeding an electromotive force to the battery. The photovoltaic power generation system includes LEDs to make the remaining battery level and the electricity generated by the solar cells visible. Without taking the trouble to prepare a measuring instrument or to push a button of an indicator, a user of the vehicle can immediately check the remaining battery level and the electricity generated by the solar cells by visually checking the display of the LEDs, thus enabling the photovoltaic power generation system to be efficiently operated. | 2011-09-29 |
20110234150 | BATTERY CHARGING APPARATUS - The battery charging apparatus has an auxiliary battery | 2011-09-29 |
20110234151 | PLATFORM WITH POWER BOOST - Disclosed herein are approaches involving using both an adapter and a battery at the same time for powering a computer platform. | 2011-09-29 |
20110234152 | Method and Apparatus for Determining Interaction Mode - An apparatus, comprising a processor, memory including computer program code, the memory and the computer program code configured to, working with the processor, cause the apparatus to perform at least the following: operating in a first interaction mode, receiving, from a charger, charger attribute information, determining a second interaction mode based, at least in part on the charger attribute information, the second interaction mode differing from the first interaction mode, terminating operation of the first interaction mode, and operating in the second interaction mode is disclosed. | 2011-09-29 |
20110234153 | Robotic Lawnmower and Charging and Control Systems Therefor - A charging and control system for a robotic lawnmower, having a circuit loop that includes several wire segments, of which one or more are boundary wire segments that may define or demarcate the boundary of an area within which the lawnmower is permitted to move; a charging voltage signal, for charging the lawnmower's internal battery, and a positioning voltage signal for assisting the lawnmower in determining its current position, are produced respectively by a power supply and a signal generator, which are both provided within the same housing; the two signals are both communicated from this housing over the same wire segments of the circuit loop; a charging station may then be electrically connected to the circuit loop by an end-user so that the charging voltage signal may in use of the system be communicated to the lawnmower when it is docked at the charging station, thus charging the internal battery of the lawnmower. | 2011-09-29 |
20110234154 | VIDEO GAME CONTROLLER CHARGING SYSTEM - A video game controller charging system for charging at least one video game controller is provided. The system includes a controller adapter including a battery unit, at least one first induction coil, and at least one first magnet, and is adapted to be received by the at least one video game controller; and a base including a power input, at least one second induction coil, and at least one structure on the base for providing physical support to the controller while the controller is being charged, the at least one structure including at least one second magnet. The base is configured to inductively charge the battery unit through inductive coupling between the at least one first induction coil and the at least one second induction coil when the controller is held in place on the structure by magnetic attraction between the magnets. | 2011-09-29 |
20110234155 | Inductive Charger with Magnetic Shielding - To recharge an implanted medical device, an external device, typically in the form of an inductive charger, is placed over the implant to provide for transcutaneous energy transfer. The external charging device can be powered by a rechargeable battery. Since the battery is in close proximity to the charge coil, the large magnetic field produced by the charge coil induces eddy currents that flow on the battery's metallic case, often resulting in undesirable heating of the battery and reduced efficiency of the charger. This disclosure provides a means of shielding the battery from the magnetic field to reduce eddy current heating, thereby increasing efficiency. In one embodiment, the magnetic shield consists of one or more thin ferrite plates. The use of a ferrite shield allows the battery to be placed directly over the charge coil as opposed to outside the extent of the charge coil. | 2011-09-29 |
20110234156 | POWER SUPPLY APPARATUS, CONTROL METHOD, AND COMPUTER-READABLE RECORDING MEDIUM - An apparatus includes a detection unit configured to detect that a first power receiving apparatus is in a predetermined range and a second power receiving apparatus is in the predetermined range, a power supply unit configured to supply power to the first and the second power apparatuses if the first and the second power receiving apparatuses are in the predetermined range, an acquisition unit configured to acquire first information and second information, and a control unit configured to select one of the first and the second power receiving apparatuses based on the first and the second information if the first and the second power receiving apparatuses are in the predetermined range, wherein the control unit controls a selected apparatus to perform a predetermined process. | 2011-09-29 |
20110234157 | SYNCHRONOUS RECTIFIER AND CONTROLLER FOR INDUCTIVE COUPLING - A synchronous rectifier is arranged to rectify inductively coupled power using PETs (field effect transistors) to minimize the voltage drop of the rectifier, which minimizes power loss. Power loss is an important consideration in applications where fairly significant power is coupled to a device (such as a battery charger or other energy storage device) for a fairly short time (such as less than one hour) at a fairly low voltage (such as around 2.5 to 4.5 volts). Body diodes of the PETs can be used to supply power for bootstrapping and control logic for controlling the PFTs. | 2011-09-29 |
20110234158 | DEVICE FOR CHARGING AN ENERGY STORE HEATING DEVICE, NOZZLE FOR SUCH A DEVICE AND METHOD FOR GENERATING HEAT ENERGY - The invention relates to a charging device ( | 2011-09-29 |
20110234159 | CHARGING DEVICE - When a battery of an electric vehicle charged with an external power source (AC 100 V), the electric vehicle and the external power source are connected with each other by the intermediary of a charging cable. Upon this charging, it is determined whether or not an input voltage from the external power source is 95 V or more. When the input voltage is less than 95 V, that is, a decline of the voltage in the charging cable is large, since a wiring resistance in the charging cable possibly increases, an upper limit of an output power to the battery is reduced. Consequently, the electric power delivered from the external power source can be limited, and thereby excessive heat generation is inhibited and safety is ensured. Furthermore, since the output power is caused to be limited when the wiring resistance possibly increases, the battery can be charged continuously. | 2011-09-29 |
20110234160 | BATTERY CHARGER FOR CHARGING BATTERIES OF DIFFERENT SIZES - Battery charger for charging batteries of different sizes in which the batteries have first and second terminals on one side of the battery, the battery charger includes a charging platform for receiving a battery; first and second closed ends disposed on opposite ends of the charging platform; wherein one of the closed ends is movable in first and second directions that span across at least a portion of the platform for respecting increasing and decreasing an area of the platform in which the battery rests for receiving batteries of different sizes; a matrix of pogo pins disposed on one of the closed ends of the platform, wherein the pogo pins are configured to electrically contact the battery in a plurality of positions within a predetermined range; and one or more electronic components for detecting polarity of the battery; wherein charging of the battery is performed according to the detected polarity. | 2011-09-29 |
20110234161 | ADAPTER AND METHOD FOR MOBILE UNIT CHARGING AND COMMUNICATION - The present disclosure includes an adapter and associated method of use for mobile unit (MU) charging and communication that enables multiple connector types to be utilized with a single charger or charging station. The adapter enables standardization of a connector scheme on newer MUs while maintaining compatibility with current or older MU devices. Specifically, the adapter resides between the MU and a charging device or station. The adapter may include various connector features mimicking connectors of various different MUs, thus allowing it to interface with a device of a different connector design. Advantageously, the adapter enables enterprises to deploy various cradles throughout facilities and achieves universal connections for a plurality of different MUs. In an exemplary embodiment, the adapter provides connectivity between various MUs and their associated cradles and a hook and pivoting latching system. | 2011-09-29 |
20110234162 | SECONDARY BATTERY SYSTEM - A secondary battery system that is light in weight and low in cost is provided, which comprises a plurality of secondary batteries connected in series. A plurality of first diodes each has an anode connected to a negative electrode of the corresponding secondary battery. A plurality of second diodes each has a cathode connected to a positive electrode of the corresponding secondary battery. A plurality of capacitors is each connected to a junction portion between the cathode of the first diode and the anode of the second diode. An alternating current power source is commonly connected to the junction portions through the capacitors. | 2011-09-29 |
20110234163 | DRY CELL BATTERY DISCHARGING SYSTEM - Used dry cell batteries having a terminal voltage less than a working voltage of a previously applied device but higher than an exhaustion voltage below which the dry cell batteries stop discharging can be used in a present provided discharging system. The used dry cell batteries are connected in series. The discharging system also includes a discharging unit, a measuring unit, a judging unit, and an indicating unit. The discharging unit discharges the used dry cell batteries. The measuring unit measures the terminal voltage of each dry cell battery. The judging unit judges if the terminal voltage of each dry cell battery is less than a preset voltage below which the dry cell battery is deemed to be exhausted. The indicating unit indicates which dry cell battery has the terminal voltage less than the preset value for replacement. | 2011-09-29 |
20110234164 | POWER SUPPLY DEVICE CAPABLE OF EQUALIZING ELECTRICAL PROPERTIES OF BATTERIES - A transformer | 2011-09-29 |
20110234165 | Modular Charging System for Multi-Cell Series-Connected Battery Packs - A modular charging system for series-connected battery packs is disclosed. An individual isolated charging module is connected across each cell in the pack. A battery cell and its corresponding charging module form a battery module assembly, a plurality of which are connected in series to form a complete battery pack of desired characteristics. A common input power input bus is shared between all charging modules and is connected in a daisy-chain fashion to a single input power source. A common isolated communications bus, which may be isolated CAN bus, is similarly shared and daisy-chained between all modules, connecting them to a monitoring processor. The monitoring processor is primarily intended to report the condition of each cell to the pack user or operator and need not actively control the charging of any individual cell. Each cell in a pack is optimally charged by the corresponding charging module. The overall system is readily scaled to any desired pack voltage and is well suited to mass production. | 2011-09-29 |
20110234166 | BATTERY MODULE STATE DETECTION METHOD - The present invention provides a battery module state detection method. The battery module includes a battery unit and is connected to a load. The method for detecting the battery module status includes the following steps. First, measure an on-load voltage value of the battery unit and a load current value of a load. Next, calculate an instant resistance value of the battery unit according to a no-load voltage value of the battery unit, the on-load voltage value and the load current value. Finally, obtain an operating state of the battery unit according to the instant resistance and a relationship between the internal resistance and discharging time. By the method of the present invention, the user can monitor the remaining energy of the battery module accurately in real time and therefore prevent the electrical hazard caused by over-discharging the battery module. | 2011-09-29 |
20110234167 | Method of Predicting Remaining Capacity and Run-time of a Battery Device - Estimating remaining capacity and remaining time of a battery device during discharging of the battery device includes determining initial state of charge of the battery device, determining discharge current of the battery device, utilizing a shooting end of discharge process to determine final state of charge corresponding to the discharge current, and determining the remaining capacity and the remaining time according to the final state of charge. | 2011-09-29 |
20110234168 | Battery pack and method of controlling the battery pack - A battery pack includes a battery cell, a current converting unit connected between the battery cell and a load and converts a discharge current of the battery cell, and a microcomputer that determines an amount of a discharge current of the battery cell and controls the current converting unit based on the amount of the discharge current. Accordingly, a current needed for the load may be adjusted in the battery pack. | 2011-09-29 |
20110234169 | BATTERY STATE MONITORING CIRCUIT AND BATTERY DEVICE - Provided is a battery state monitoring circuit including: a charge/discharge control circuit for detecting and controlling a state of a secondary battery; a temperature sensor circuit connected to an overcurrent detection terminal; an amplifier for comparing a reference voltage and a divided voltage of the over-current detection terminal; and a transistor that receives an output signal of the amplifier, for controlling a charge control output terminal. When a charger is connected in a state in which the secondary battery has an ultra-low voltage, a charge control FET is controlled so that a constant voltage may appear between output terminals, to thereby ensure an operating voltage of the temperature sensor circuit to enable an overheat protection function. | 2011-09-29 |
20110234170 | CIRCUITS, SYSTEMS AND METHODS FOR BALANCING BATTERY CELLS - A circuit for balancing a plurality of battery cells includes a controller and an electronic control unit (ECU) coupled to the controller. The controller samples multiple discharging cell voltages of the battery cells respectively at a predetermined time during a discharging state of the battery cells, and samples multiple charging cell voltages of the battery cells respectively during a charging state of the battery cells. The ECU processes the charging cell voltages and the discharging cell voltages, thereby providing control commands for the controller to control the battery cells to achieve a balance. | 2011-09-29 |
20110234171 | BATTERY PACK AND METHOD OF CONTROLLING THE BATTERY PACK - A battery pack and a method of controlling the battery pack. The battery pack includes a battery cell and a capacitor connected in parallel to the battery pack. Accordingly, the battery power and the distance travelled by an electric transport device that requires an instantaneous high power output, such as an E-bike, may be increased. | 2011-09-29 |
20110234172 | VOLTAGE CONVERTING APPARATUS - A voltage converting apparatus includes a sense resistor to sense a voltage from an adapter, some power switches to set power rating of the adapter, and a comparator to compare a received voltage from the adapter with a voltage corresponding to the power rating. The comparator controls a first control switch connected between the sense resistor and a charging circuit to close when the adapter is at a little traffic state, and controls the first control switch to open when the adapter is at a fully loaded state. A voltage converter converts the received voltage from the adapter when the first control switch is closed. An output interface provides a voltage of the adapter to an electronic device. Some output ports connected to the voltage converter to provide a converted voltage of the voltage converter to electronic devices connected to the output ports. | 2011-09-29 |
20110234173 | Method of Estimating Battery Recharge Time and Related Device - A smart battery device includes an adapter, a switch electrically connected to the adapter, a battery pack electrically connected the switch, a sense resistor electrically connected to the battery pack and the adapter, an analog preprocessing circuit electrically connected to the battery pack and the sense resistor for digitizing analog signals measured at the battery pack and the sense resistor to form digital signals, and an adaptive control circuit electrically connected to the analog preprocessing circuit for receiving the digital signals, and electrically connected to the switch for selectively turning the switch on or off according to the digital signals. | 2011-09-29 |
20110234174 | ELECTRONIC DEVICE HAVING POWER MANAGEMENT ASSEMBLY - An electronic device includes a power cable, a host, a rechargeable battery, and a power management assembly. The power cable is configured for electrically coupling an external power supply to the electronic device. The rechargeable battery is electrically coupled to the host. The power management assembly is electrically coupled to the host and the rechargeable battery. The power management assembly is configured for controlling drawing the maximum rated power of the electronic device from the external power supply through the power cable as the power management assembly is being used, and controlling the host to switch on a power-saving mode, and increase current flowing to the rechargeable battery when the host works in the power-saving mode. | 2011-09-29 |
20110234175 | PEDAL GENERATOR ASSEMBLY - A generator assembly for converting human generated mechanical energy into electrical power for charging at least one rechargeable device is provided herein. The generator assembly generally includes a housing, a primary gear supported within the housing, an input mechanism mounted to the primary gear for receiving the human generated mechanical energy, an alternator for converting the mechanical energy converting the mechanical energy into electrical power, and a charging mechanism mounted to the housing with the charging mechanism directly connected to the alternator, where the charging mechanism has at least one rechargeable interface for transferring the electrical power to the rechargeable device. A method of charging at least one rechargeable device with a generator assembly and a method of authorizing use of a generator assembly are also provided. | 2011-09-29 |
20110234176 | DISCHARGE CONTROL APPARATUS - A discharge control apparatus for discharging a residual charge that accumulates in a smoothing capacitor interposed between a direct current main power supply and an inverter, which performs a voltage conversion between a direct current power and an alternating current power, and remains in the smoothing capacitor when a connection between the inverter and the main power supply is cut, the discharge control apparatus. The discharge control apparatus having a backup power supply and a discharge control unit that is provided independently of a driver circuit for applying a switching control signal to a switching element constituting the inverter in order to operate the switching element in a saturation region, and that generates a discharge control signal for operating the switching element in an active region and applies the generated discharge control signal to the switching element. | 2011-09-29 |