08th week of 2013 patent applcation highlights part 15 |
Patent application number | Title | Published |
20130043778 | CASE HAVING AN INTERCHANGEABLE COVER - An apparatus for protecting an electronic device includes a first protective cover component and a second protective component that may be removably coupled to one another. The second protective cover component includes a hinge component having a flexible hinge portion extending from a peripheral portion of the second protective cover component, wherein the hinge component facilitates coupling of the second protective cover component to the first protective cover component. One of the first protective cover component and the second protective cover component include a region configured to receive the electronic device. | 2013-02-21 |
20130043779 | APPARATUS FOR HOLDING PORTABLE ELECTRONIC DEVICE - An apparatus for holding portable electronic device is provided, including a receiving seat, an upper cover, at least a resilient element and at least a stopping cover. The receiving seat and the upper cover are coupled together on one side. The resilient element is to provide a force to pull the upper cover and the receiving seat together face to face. The stopping cover is located at the bottom of receiving seat. Furthermore, a viscosity anti-slippery layer is located at the bottom surface of the receiving seat. In this manner, the apparatus can hold a portable electronic device in a vehicle and facilitate one-hand operation to improve convenience. | 2013-02-21 |
20130043780 | REFRIGERATOR - In a refrigerator, rail devices are connected below the center of a pull-out door in a vertical direction, and connected to two ends thereof in a horizontal direction, and rail holding members are arranged on an inner casing in a heat-insulating material so as to hold both the right and left ends of the bottom of a container. | 2013-02-21 |
20130043781 | INTEGRAL LAMP WITH A REPLACEABLE LIGHT SOURCE - An integral lamp with a replaceable light source includes a bulb base, an LED light emitting module and a lamp hood. The bulb base is integrally made of aluminum, with the LED light emitting module and the lamp hood independently assembled on or disassembled from the bulb base in order. Heat generated by the LED light emitting module can be directly scattered out by the bulb bas, without installing any extra heat dispersing device so as to simplify the structure of the lamp and lower assembling cos. And with the bulb base polished, light reflection can be enhanced. The LED light emitting module can be swiftly disassembled for maintenance or being replaced with a new one if breaking down, with the other components remaining still usable. So waste can be reduced to be friendly to environment. | 2013-02-21 |
20130043782 | ILLUMINATION APPARATUS AND METHODS OF FORMING THE SAME - In one aspect, an illumination apparatus includes a waveguide, embedded in which are a light-emitting source and a photoluminescent material. Output light is emitted from at least a portion of a first surface of the waveguide. The photoluminescent material includes nano-size phosphor particles and/or quantum dots. | 2013-02-21 |
20130043783 | LIGHT EMITTING DEVICE - A light emitting device of the present invention includes at least: at least more than one blue light chip, at least more than one red light chip and a fluorescent layer overlaid and bonded to the blue light light chip and the red light chip. The fluorescent layer is formed from a uniform mixture of a yellow phosphor and a red phosphor with the addition of a transparent plastic material. At least one portion of the absorbed light source is used to emit a light source with a wave length dissimilar to the wave length of the absorbed light or of the same wave length, thereby achieving the effectiveness to increase the illuminance and color rendering of white light. | 2013-02-21 |
20130043784 | PROCESS OF PRODUCING ORGANIC ELECTROLUMINESCENCE ELEMENT COMPOSITION, ORGANIC ELECTROLUMINESCENCE ELEMENT COMPOSITION, PROCESS OF PRODUCING ORGANIC ELECTROLUMINESCENCE ELEMENT, ORGANIC ELECTROLUMINESCENCE ELEMENT, ORGANIC EL DISPLAY DEVICE AND ORGANIC EL LIGHTING - To provide a process of producing an organic electroluminescence element having a high current efficiency and a long drive life by a wet film formation process. The present invention relates to a process of producing an organic electroluminescence element composition, comprising a filtration step of filtering a solution containing an organic electroluminescence element material and a solvent, wherein the composition is obtained after a time-elapsing step wherein 8 hours or more elapses after the filtration step, and the composition is used for a wet film formation of an organic layer in an organic electroluminescence element. | 2013-02-21 |
20130043785 | ORGANIC EL DEVICE AND METHOD FOR MANUFACTURING THE SAME - A sealing layer covers more surely both of a display region and a peripheral region on a substrate. A dummy structure is formed in the peripheral region of the substrate. The dummy structure contains, for instance, at least one of the materials constituting an organic EL display structure. The dummy structure is located in the peripheral region so that the volume per unit area of the sealing layer in the peripheral region is substantially the same as that in the display region. | 2013-02-21 |
20130043786 | WAVELENGTH CONVERSION STRUCTURE, MANUFACTURING METHOD THEREOF, AND LIGHT-EMITTING DEVICE COMPRISING THE WAVELENGTH CONVERSION STRUCTURE - A wavelength conversion structure comprises a first phosphor layer and a second phosphor layer formed on the first phosphor layer, wherein the first phosphor layer comprises a plurality of first phosphor particles, and the second phosphor layer comprises a plurality of second phosphor particles. The average particle size of the second phosphor particles is not equal to that of the first phosphor particles. | 2013-02-21 |
20130043787 | SHORT ARC TYPE DISCHARGE LAMP - A short arc type discharge lamp that includes a body member a light permeable member a pair of an anode and a cathode. The pair of the anode and cathode is arranged with a gap at a focal position of the reflective face. The cathode has a cathode tip portion that is approximately conic and a cathode rod portion. The anode has an anode tip portion that has a tapering portion and a flat tip end portion. Further, an outer diameter of the tip of the anode flat tip end portion is smaller than the outer diameter of the cathode rod portion, and an outer diameter of a back end of the anode tip portion is larger than that of the cathode rod portion. | 2013-02-21 |
20130043788 | CONTROLLABLE VERSATILE LED SYSTEM - The present invention relates to the development of a method and system for manufacturing and deploying light emitting diode (“LED”) technology in a highly efficient manner. Devices of the invention include a printed circuit board with a heat sink and at least one LED insertion site and optionally a wireless communication device to control operation of the LED. | 2013-02-21 |
20130043789 | SCREW-IN LED BULB - An LED-based light can include a highly thermally conductive base having multiple radially outward projecting nodes. The nodes can be spaced apart in an axial and circumferential directions of the base. The base can include recessed channels between the nodes to enable airflow in multiple directions about the base. An electrical connector and at least one LED can be attached to the base, and a light transmitting bulb can be attached to the base and can cover the at least one LED. The geometry of the base can promote heat dissipation, which can allow the at least one LED to use enough power to produce an amount of luminosity that allows the LED-based light to replicate, for example, an incandescent light without overheating. | 2013-02-21 |
20130043790 | System And Apparatus For Cathodoluminescent Lighting - Electron sources for a cathodoluminescent lighting system are disclosed. An electron source is a broad-beam reflecting-type electron gun having a cathode for emitting electrons and a reflector and/or secondary emitter electrode and no grids. An alternative electron gun has a cathode having a heater welded to a disk, the disk having an emissive surface on a side facing a dome-shaped defocusing grid and an anode. A lighting system incorporating the electron sources has an envelope with a transparent face, an anode with a phosphor layer to emit light through the face and a conductor layer. The system also has a power supply for providing from five to thirty thousand volts of power to the light emitting device to draw electrons from cathode to anode and excite a cathodoluminescent phosphor, and the electrons transiting from cathode to anode are essentially unfocused. A power-factor-corrected embodiment is also disclosed. | 2013-02-21 |
20130043791 | UNLIT LED CIRCUIT BYPASS ELEMENT WITH SYSTEM AND METHOD THEREFOR - A lighting system and protection means are disclosed. In particular, a Zener diode with pre-selected characteristics is used in parallel with an LED such that current will continue to flow through the circuit in case of LED failure. This adaptation in turn may be used in a series string combination. | 2013-02-21 |
20130043792 | ELECTROSTATIC DISCHARGE PROTECTION FOR LUMINAIRE - An apparatus for protecting a solid state retrofit lighting or illumination system from electrostatic discharge damage caused by charge induced onto conductive surfaces of the lighting or illumination system. | 2013-02-21 |
20130043793 | LIGHTNING-PROOF AC LED DRIVING DEVICE - A lightning-proof AC LED driving device has a lightning detector breaker connected between a rectifier and an AC LED driver circuit. When lightning strikes, a high voltage enters the rectifier, and the anode and cathode of the rectifier are equipotential, making the lightning detection breaker automatically disconnect the AC LED driver circuit from the rectifier. This interrupts the connection between the rectifier and the AC LED driver circuit. Thus, the AC LED driving device has the lightning-proof function. | 2013-02-21 |
20130043794 | Optical Signal Output of Operating Parameters with an LED Lighting Unit - The invention relates to a lighting arrangement with an operating device ( | 2013-02-21 |
20130043795 | LIGHTING DEVICE CONTROLLER PROGRAMMING - Various techniques are provided for programming lighting devices. In one example, a lighting device includes a light emitting diode (LED). The lighting device also includes a microcontroller configured to receive a programming signal generated by the LED in response to illumination of the LED with an externally-supplied light signal modulated with the programming signal. | 2013-02-21 |
20130043796 | Compensation Circuit of Organic Light Emitting Diode - A compensation circuit of organic light emitting diode comprising a first capacitor, a second capacitor, a stabilizer unit, a third transistor, an organic light emitting diode and a driver unit. The stabilizer unit comprises a first transistor, a second transistor and a photodiode. The driver unit comprises a fourth transistor, a fifth transistor and a sixth transistor. The fifth transistor is used for driving the organic light emitting diode. The first transistor, the second transistor, the third transistor, the fourth transistor and the sixth transistor are used as switches. The first capacitor is used as a compensation capacitor. The second capacitor is used for storing a data voltage. By controlling a voltage of a node in the circuit, the current of the organic light emitting diode can be increased to maintain a stable brightness of the organic light emitting diode. | 2013-02-21 |
20130043797 | Lighting Control Systems and Methods - Systems and methods for lighting control are disclosed. The system may include at least one lighting device providing illumination and a handheld unit coupled with the lighting device to control at least one of a controllable lighting state, a controllable lighting intensity, and a controllable lighting effect of the lighting device. The handheld unit may include an image-capturing device and a processor coupled with the image-capturing device. The processor may be configured to control the image-capturing device to capture an image of a space affected by the lighting device; analyze an luminance level of the space; receive a lighting parameter; and provide a command to the lighting device for controlling at least one of the controllable lighting state, the controllable lighting intensity, and the controllable lighting effect of the lighting device based on at least one of the image, the luminance level, and the lighting parameter. | 2013-02-21 |
20130043798 | LOAD DRIVING CIRCUIT WITH CHARGE SPIKE PROTECTION - A load driving circuit comprises a converting circuit, a converting controller, a load driving modulator, and a charge spike protection circuit. The converting circuit is adapted to be coupled to an output power source and supplies a driving power source to drive a load. The converting circuit has an output capacitance coupled to an output end thereof. The converting controller controls an amount of the driving power source responsive to a current or a voltage of the load. The load driving modulator and the load, connected in series, are coupled to the output end and so the load driving modulator adjusts an electronic state of the load. The charge spike protection circuit is coupled to the output capacitance and at least one connecting node of the load and the load driving modulator to provide a unidirectional charge release path to the output capacitance. | 2013-02-21 |
20130043799 | LIGHT ENGINE WITH LED SWITCHING ARRAY - An LED array switching apparatus comprises, on a single PCB substrate: a plurality of LED arrays D | 2013-02-21 |
20130043800 | POWER CONVERTER AND A DIMMABLE SOLID-STATE LIGHTING DEVICE WITH THE POWER CONVERTER - The present invention is directed to a power converter, which receives a rectified voltage converted by a rectifier that is coupled to receive an output of a dimmer. The power converter generates a direct-current output voltage according to the rectified voltage in a non-isolated switching boost mode, and the generated direct-current output voltage is provided to at least one solid-state lighting element. | 2013-02-21 |
20130043801 | LIGHTING DEVICE - A lighting device includes a lighting part, a switching part and a luminance fine-tuning part. The lighting part at least includes a first light emitting diode unit for outputting light with a first color temperature and a second light emitting diode unit for outputting light with a second color temperature. The switching part is coupled with a power source. By changing the number of times the switching part is turned on, the light with desired color temperature and luminance is produced by the lighting part according to the user's requirements. By operating the luminance fine-tuning part, the selected luminance is slightly increased or decreased. | 2013-02-21 |
20130043802 | Organic Light Emitting Diode Display Device - This disclosure relates to a display device that compensates for a threshold voltage of a driving TFT, a voltage drop of a supply voltage source, and a mobility of the driving TFT. The display device can include a plurality of pixels. At least one pixel can include components such as a first capacitor, a second capacitor, a data transistor, a control transistor, an emission transistor, an initialization transistor, a driving transistor and a light emitting diode (LED) among other components. | 2013-02-21 |
20130043803 | METHOD AND SYSTEM FOR DRIVING ORGANIC LED'S - A method and system for driving an organic light emitting diode (OLED) with a regular LED driver without pre-charge are provided. In the examples, at least one passive element is included in parallel with the OLED across the output of the power supply. This passive element may be a capacitor. In one example, the effective series resistance (ESR) of the parallel capacitor may be substantially less than an ESR of the OLED at turn-on of the OLED. The turn-on delay of the OLED substantially is determined by the ESR of the parallel capacitor and is not substantially determined by the ESR of the OLED. In another example, the ESR of the parallel capacitor is less than or equal to 10% of an ESR of the OLED at turn-on of the OLED. | 2013-02-21 |
20130043804 | POWER SUPPLY SYSTEM - A power supply system includes an illumination circuit for receiving an AC voltage and a control circuit for receiving a DC voltage. The illumination circuit includes a first switch unit and at least one light emitting unit. The control circuit includes a first winding unit, a second switch unit, and a second winding unit. The second winding unit provides the DC voltage to the first winding unit by the second switch unit. The first winding unit provides the AC voltage to the light emitting unit by the first switch unit. The light emitting unit emits light when receives the AC voltage. | 2013-02-21 |
20130043805 | System-Voltage Transmission Branch of an Interface of an Operating Device for Light-Emitting Means - What is proposed is: an operating device for operating in particular a light-emitting means ( | 2013-02-21 |
20130043806 | Driver circuit particularly suited for lighting devices - Disclosed are various embodiments of driver circuits that operate to excite devices for light emissions therefrom regardless of the impedance ratings thereof. The driver circuits are particularly suited to service both low impedance light emitting diode lighting devices and high impedance halogen lamps. | 2013-02-21 |
20130043807 | LIGHTING DEVICE CONTROL USING VARIABLE INDUCTOR - Various techniques are provided for implementing a lighting device variable control using a variable inductor. In various examples, the variable control may be implemented with a plurality of continuous or stepped settings. The variable control may be adjusted by a user-actuated movement of a part of the lighting device, such as the depression of a tail cap or another appropriate physical control to change the inductance of the variable inductor. An oscillating signal may be induced in a variable inductor circuit that includes the variable inductor. The oscillating signal may exhibit characteristics, such as frequency, that change with the inductance of the variable inductor. Such characteristics may be measured to determine a setting of the variable control and which may be used to adjust the brightness or other attributes of the lighting device. | 2013-02-21 |
20130043808 | MULTI-CHANNEL LED DRIVER CIRCUIT - Provided is a multi-channel LED driver circuit, including a power supply device for providing an independent voltage source; a plurality of regulating circuits connected to the power supply device and the light light-emitting diode arrays for receiving a voltage from the voltage source and providing a plurality of output currents to the light-emitting diode arrays, and thereby generating a plurality of error signals | 2013-02-21 |
20130043809 | LIGHTING NODE SYSTEMS AND METHODS - A lighting node is described. One embodiment of the lighting node includes a lamp, a radio device, and a memory. The lamp is configured for generating illumination. The radio device is configured for radio communication. The radio device is configured to remotely receive a color profile from the controller. The lamp is also configured to generate illumination to substantially match the received color profile. The memory is configured to store a group identifier for the lighting node. | 2013-02-21 |
20130043810 | Modified Dimming LED Driver - A driver circuit produces variable current output for an LED lighting system providing improved dimming capability and greater power efficiency when responding to industry standard lighting dimmers, through the use of an input voltage monitoring circuit which variably controls the current output of a switching regulator. Output current modulation methods such as analog, PWM, Pulse Frequency Modulation, or other digital modulation, and combination or hybrid methods such as that disclosed in U.S. Pat. No. | 2013-02-21 |
20130043811 | FIELD ORIENTED CONTROL OF A MOTOR WITH A SINGLE SHUNT - A method for driving a motor is provided. Pulse width modulation (PWM) signals are generated from a voltage signal and a commanded angle signal, which drives a motor with multiple phases. A motor current from a motor is measured with a single shunt and converted into a digital signal. Based on the digital signal and the commanded angle signal, direct-axis and quadrant-axis currents for the motor can be determined, and the voltage signal and the commanded angle signal can be adjusted based at least in part on the direct-axis and quadrant-axis currents. | 2013-02-21 |
20130043812 | POWER CONVERSION DEVICE - A power conversion device includes a first capacitor connected in parallel to a direct-current power supply, plural power converters that drive plural synchronous machines, a second capacitor connected in parallel to a direct-current side of power converters, a switching circuit inserted between the first and second capacitors, a switch-start instruction unit that controls starting of an operation of the power converters, and a control unit that controls the power converters based on a motor velocity and a voltage of the first capacitor. The switch-start instruction unit turns off the switching circuit while the power converters stop, turns off the switching circuit until a terminal voltage of each of the synchronous machines becomes equal to a predetermined value when each of the power converters starts operating, and turns on the switching circuit when the terminal voltage of each synchronous machine becomes equal to or smaller than the predetermined value. | 2013-02-21 |
20130043813 | Apparatus for Continued Operation of an Electric Motor During an Interruption in Input Power - An apparatus is provided for controlling operation of an electric motor through use of an additional power storage arrangement connected across the DC busses of a motor drive and controlling the speed of the motor. The additional power storage arrangement includes an additional capacitor arrangement and a rate limiting arrangement in a series circuit relationship with one another. | 2013-02-21 |
20130043814 | System and method for synchronizing sinusoidal drive to permanent magnet motor without distorting drive voltage - A system for controlling a motor ( | 2013-02-21 |
20130043815 | PROTECTION CIRCUIT FOR A D.C. BRUSHLESS MOTOR PUMP - A protection circuit | 2013-02-21 |
20130043816 | METHODS, SYSTEMS AND APPARATUS FOR CONTROLLING A MULTI-PHASE INVERTER - Embodiments of the present invention relate to methods, systems, a machine-readable medium operable in a controller, and apparatus for controlling a multi-phase inverter that drives a multi-phase electric machine. When a sensor fault is detected, a phase current angle is computed based on the feedback stator currents, and used to estimate an angular velocity and an angular position of a rotor of the multi-phase electric machine. When the estimated angular velocity of the multi-phase electric machine is less than a transition angular velocity threshold, an open-circuit response can be applied at the multi-phase inverter by controlling all switches in the multi-phase inverter drive to be open. By contrast, when the estimated angular velocity is greater than the transition angular velocity threshold, a short-circuit response can be applied at the multi-phase inverter by controlling selected switches in the multi-phase inverter drive to connect all phases of the multi-phase inverter to a single bus (e.g., either the plus bus or the minus bus). | 2013-02-21 |
20130043817 | DRIVING APPARATUS AND STOP POSITION DETECTION METHOD - A driving apparatus including an inverter unit for energizing the coil by switching ON and OFF of the switching element, an energization pattern determination unit for selecting a plurality of energization patterns, each of which indicates a direction of a current that flows through the coil, one by one when driving of a motor is started, and energizing the coil by switching ON and OFF of the switching element based on a selected energization pattern at a duty ratio corresponding to a value of a maximum current capable of being supplied by the power supply apparatus, a current applied time measurement unit for measuring an energization time, which is a time until a value of the current flowing through the coil reaches a predetermined target current value for each energization pattern, and a rotor stop position estimation unit for estimating a position at which the rotor stops. | 2013-02-21 |
20130043818 | SOFT-SWITCHING CONTROL CIRCUIT FOR DC MOTOR - A soft switching control circuit for a DC motor is provided. The soft switching control circuit has an absolute value generating circuit, a threshold voltage generating circuit, and a comparing circuit. The absolute value generating circuit outputs an absolute value signal according to a pair of Hall signals from the DC motor. The threshold voltage generating circuit receives a detected state signal and at least an end voltage of a coil of the DC motor for determining a current on the coil at an actual state change time defined by the detected state signal. According to the determination, the threshold voltage generating circuit outputs a threshold voltage with an adjusted voltage level. The comparing circuit compares the absolute value signal and the threshold voltage so as to generate a state change adjusting signal for modifying the actual state change time. | 2013-02-21 |
20130043819 | Chiller Motor Control System - A chiller system ( | 2013-02-21 |
20130043820 | PROCESSING A MOTOR VARIABLE OF A DC MOTOR AND ACTUATING DEVICE FOR A MOTOR VEHICLE - A method processes a motor variable of a DC motor of an actuating device for a motor vehicle. The DC motor is supplied by an on-board system DC voltage, in which the armature current and the motor voltage of the DC motor are detected and the actuating position of an actuating element is determined from a time profile of the armature current by counting the current ripple contained therein. During an initial phase, the armature current which rises over time is replicated by a function which is determined from pairs of values for the motor voltage and the armature current which are detected in a time interval. A current value of the armature current expected at a later point in time is extrapolated. In the event of a discrepancy between the armature current detected at this later point in time and the extrapolated armature current, a ripple count is started. | 2013-02-21 |
20130043821 | Motor System Having an Electronically Commutated Electric Machine - A system for operating an electric machine includes: a rotor position sensor to provide a rotor position indication as a function of a rotor position angular range which indicates the position of a rotor of the electric machine; a control unit designed to associate in each case a commutation angular range, which indicates a certain control state for the stator coils, with one or more of the rotor position indications, so that a change in the commutation angular range is triggered by a change in the rotor position indication, and to change an association scheme of the associations between the rotor position indications and the respective commutation ranges as a function of a predefined rotational direction indication which indicates the desired rotational direction | 2013-02-21 |
20130043822 | Method and apparatus for misstep detection and recovery in a stepper motor - A stepper motor system and apparatus use a position-feedback device, which may have a resolution capability as low as 200 counts per motor shaft revolution, for misstep detection and motor step recovery. In use of the system, position deviation is computed periodically and cyclically, by subtracting the feedback position from the corresponding commanded position, to determine the load angle, implicitly, and the operating status of the motor. If the load angle is within an established allowable range of values, normal stepper operation along the programmed trajectory is maintained, without adjustment. A load angle that exceeds the limits of that range however indicates that a misstep has occurred, and the system controller initiates immediate action to recover lost motor steps, to reestablish synchronism, and to then continue toward the final target position, with minimal loss of time. | 2013-02-21 |
20130043823 | CONTROL DEVICE FOR AN ASYNCHRONOUS ELECTRIC MACHINE, ELECTRIC PROPULSION SYSTEM COMPRISING SAID DEVICE, AND METHOD FOR CONTROLLING AN ASYNCHRONOUS ELECTRIC MACHINE - A control device for an asynchronous electric machine comprises a first computing unit configured for defining a first signal, which is correlated to an operating voltage to be applied to the electric machine. The first signal is defined as a function of a second signal indicating a desired stator frequency of the operating voltage, and as a function of a third signal indicating a desired slip frequency of the electric machine. | 2013-02-21 |
20130043824 | CONTROL DEVICE FOR AN ASYNCHRONOUS ELECTRIC MACHINE, ELECTRIC PROPULSION SYSTEM COMPRISING SAID DEVICE, AND METHOD FOR CONTROLLING AN ASYNCHRONOUS ELECTRIC MACHINE - A control device for an asynchronous electric machine comprising a first computing unit configured for defining a first signal, indicating a desired slip frequency of the electric machine, as a function of a second signal correlated to a reference input velocity supplied through a user interface, and of a third signal correlated to a detected rotor angular velocity, the control device preferably comprising a user interface for supplying the second signal and a velocity-detection module coupled to the electric machine for supplying the third signal. | 2013-02-21 |
20130043825 | ELECTRICAL STORAGE APPARATUS - The present invention concerns a charging apparatus for charging electric storage devices of electric vehicles including a feed-in unit for feeding electric energy into an electric ac voltage network including an electric dc voltage intermediate circuit for the intermediate storage of electric energy with an intermediate circuit voltage, and an inverter for converting a direct current of the dc voltage intermediate circuit into an alternating current, for feeding it into the electric ac voltage network and for converting an alternating current from the ac voltage network into a direct current for feeding it into the dc voltage intermediate circuit, and at least one electric storage charge circuit for at least partial charging of one of the electric storage devices from the dc voltage intermediate circuit and for at least partial discharging of one of the electric storage devices into the dc voltage intermediate circuit. | 2013-02-21 |
20130043826 | MODULAR AND PORTABLE BATTERY PACK POWER SYSTEM - A battery pack power system includes a plurality of modular, portable, battery modules having various capacities that can be mixed and matched with one another to suit any of a wide variety applications or provide the desired power to any of a wide variety of loads at off-grid locations. The individual battery modules are stackable or otherwise nestable or connectable with one another to permit multiple users to each separately transport a module to a desired location and then combine the modules to assemble the battery power pack. One or more flexible connectors are provided for electrically chaining the assembled battery modules to one another and that permit only one-way, correct-orientation connection of the battery modules to one another, and have no exposed electrically conductive surfaces. An inverter module is connectable to any one of the battery modules, and operates to deliver 110 VAC in a first mode and 220 VAC in a second mode to provide electrical power to a wide variety of electrical loads. The battery power pack system is rechargeable from a portable solar photovoltaic power generator, wind power generator and/or hydropower generator connectable to one of the battery modules to recharge all of the battery modules. | 2013-02-21 |
20130043827 | PORTABLE POWER CHARGER - A portable charger is provided for charging one or more electronic devices simultaneously from a rechargeable internal battery. To accommodate multiple electronic devices, a portable charger unit is combined with multiple connectors for connecting to more than one electronic device, as necessary. For example, the charger unit can include at least one power output for connection to electronic devices via connectors or charging cables, including a squid connector providing multiple connection interfaces adaptable to a variety of electronic devices. Alternatively, the charger unit can include two or more connector cables connected to the charger unit and stored within the charger housing for connection to electronic devices when needed. An adapter unit is provided for connection to the charger unit for recharging the internal battery of the charger unit. | 2013-02-21 |
20130043828 | BATTERY CHARGER ARCHITECTURE - A control circuit for use in a battery charger circuit that includes a switching voltage regulator, with the control circuit having a constant current charging mode and a constant voltage charging mode. A switcher controller is provided which configured to control a state of a top side switching transistor and a low side transistor of the switching voltage regulator in response to at least one error signal. A power path transistor switch is disposed intermediate an output of the switching voltage regulator and a first node for receiving a first terminal of a battery to be charged. Feedback circuitry is further provided to produce a first error signal relating to a difference between a first voltage and a first target voltage, with the first voltage being between the output of the switching voltage regulator and a second node for receiving a second terminal of the battery to be charged, with the first error signal being used by the switcher controller when the control circuit is in the constant voltage charging mode for controlling the top and low side switching transistors. | 2013-02-21 |
20130043829 | BATTERY CHARGER WITH SEGMENTED POWER PATH SWITCH - A battery charger circuit having a regulator controller configured to control the switching transistors of a switching voltage regulator. A power path switch is disposed intermediate an output of the switching voltage regulator and a terminal of a battery to be charged, with the power path switch including at least two transistor segments having common respective drain electrodes, common respective source electrodes and separate respective gate electrodes. A power path switch controller operates to sequentially turn ON the at least two transistor segments of the power path switch, preferably in the order of a decreasing ON resistance. | 2013-02-21 |
20130043830 | Mouse Charging System - A mouse charging device is applying to an electronic device which comprises a power supply and a first connecting port. The mouse charging device comprises a mouse and a receiver. A charging module of the mouse is disposed in a shell of the mouse, and a first conductive piece of the mouse is disposed on the shell. The first conductive piece is electrically connected to the charging module. The receiver comprises a second connecting port and a second conductive piece. The second connecting port is electrically plugged in the first connecting port and electrically connected to the power supply. The second conductive piece is selectively coupled to the first conductive piece of the mouse. As the second conductive piece and the first conductive piece are coupled together, the power supply of the electronic device is available to charge the charging module of the mouse. | 2013-02-21 |
20130043831 | Electronic Device for Controlling Magnitude of Charging Current for Charging To-be-charged Electronic Device - By controlling a charging current magnitude for charging a to-be-charged electronic device by a charging electronic device and current magnitudes of other loading elements of the charging electronic device, when the charging electronic device is switched to a fast charge mode or to an efficiency mode from a normal charge mode, a required current can be directly provided to the to-be-charged electronic device without raising a hardware cost for upgrading charging capabilities. | 2013-02-21 |
20130043832 | BATTERY STATUS DETECTION METHOD AND APPARATUS FOR ELECTRONIC DEVICE - A battery status indicating method for an electronic device is provided. The battery module is pluggable into the electronic device. When a residual electric quantity of the battery module is lower than a threshold electric quantity, the battery module stops outputting a battery voltage. The battery status indicating method includes steps of judging whether the battery module is in a plugged status or an unplugged status according to the battery voltage, periodically charging the battery module in a first time interval of a fixed cycle if the battery module is in the unplugged status, and judging whether the battery module is switched to the unplugged status according to a change of the battery voltage if the battery module is in the plugged status. | 2013-02-21 |
20130043833 | INDUCTIVELY CHARGEABLE POWER PACK - An inductively enabled power pack charging system and method includes an integrated circuit for controlling inductive transfer of power to the power pack and managing communication with an external power source. The system may further include an electrochemical cell for storing energy received from the external power supply and magnetic shielding material for guiding magnetic flux away from the electrochemical cell. | 2013-02-21 |
20130043834 | Surgical Sterilizer With Integrated Battery Charging Device - A device for charging at least one rechargeable battery of a battery-operated surgical instrument that comprises a sealed container operable to enclose and create a microbial seal around the battery. The sealed container permits surgical sterilization and inductive charging of the battery while the battery is enclosed therein. The device further comprises an inductive charging assembly having a power receiver sub-assembly inside the sealed container and electrically coupled to the battery whereby the power receiver sub-assembly is operable to receive electrical power inductively from outside the sealed container and to charge the battery electrically coupled to the power receiver sub-assembly. A power supply is disposed outside the sealed container and supplies power inductively to the power receiver sub-assembly through the sealed container such that the sealed container is not structurally breached. | 2013-02-21 |
20130043835 | APPARATUS AND METHOD FOR NON-CONTACT RECHARGING AND NEAR FIELD COMMUNICATION IN A PORTABLE ELECTRONIC DEVICE - Apparatus and methods in a near field communication capable electronic device are disclosed. An antenna receives a near field signal from a recharging pad or a reader to provide a reception signal. A detector coupled to the antenna receives the reception signal and detects therefrom a voltage, current or power value representing a power level of the near field signal. A switch is coupled to the detector, and switches the reception signal corresponding to the recharging pad or the reader to a recharging transceiver to recharge a battery, or to a near field communication transceiver, respectively, on the basis of the detected voltage. A Hall-effect type magnetic sensor may be used as an alternative to the detector. | 2013-02-21 |
20130043836 | Inductive Battery Charger System with Primary Transformer Windings Formed in a Multi-Layer Structure - There is provided a power system designed to enable electronic devices to be powered. The system includes a planar surface on which a device to be powered is placed. Within the power system and substantially parallel to the planar surface are multiple primary transformer windings formed in a multi-layer structure that couple energy inductively to a secondary winding formed in the device to be powered. A winding of a second layer is offset relative to a winding of a first layer. | 2013-02-21 |
20130043837 | INFORMATION PROCESSING APPARATUS, PROGRAM, AND INFORMATION PROCESSING SYSTEM - An information processing apparatus includes an antenna having a variable Q value, the antenna being used for performing communication with an external apparatus in a noncontact manner by using a carrier of a predetermined frequency and charging a battery in a noncontact manner by using the carrier, an obtaining unit configured to obtain information about charging of the battery, a determining unit configured to determine whether charging of the battery is to be performed or not on the basis of the information obtained by the obtaining unit, and a setting unit configured to selectively set the Q value of the antenna to a first value or a second value in accordance with a determination result generated by the determining unit, the second value being larger than the first value. | 2013-02-21 |
20130043838 | BATTERY CHARGER FOR ELECTRIC VEHICLE, AND RESCUE VEHICLE - A generator driven by the driving force of a vehicle traction engine has permanent magnets and electromagnets arranged in tandem on a rotor, the magnetic field of the permanent magnet and the magnetic field of the electromagnet act independently on stator coils of a stator, forming a high-power unit controlled by a generator control unit that, when the output of the generator is lower than a prescribed value, flows forward current through the field coils to generate a magnetic field having the same orientation as the magnetic field due to the permanent magnet, and when the output of the generator is higher than a prescribed value, passes a reverse current through the field coils that generates a magnetic field having an opposite orientation to that of the magnetic field due to the permanent magnet, forming an alternating current having a prescribed value. The alternating current output is rectified. | 2013-02-21 |
20130043839 | Battery Power Delivery Module - A system and method for digital management and control of power conversion from battery cells. The system utilizes a power management and conversion module that uses a CPU to maintain a high power conversion efficiency over a wide range of loads and to manage charge and discharge operation of the battery cells. The power management and conversion module includes the CPU, a current sense unit, a charge/discharge unit, a DC-to-DC conversion unit, a battery protection unit, a fuel gauge and an internal DC regulation unit. Through intelligent power conversion and charge/discharge operations, a given battery type is given the ability to emulate other battery types by conversion of the output voltage of the battery and adaptation of the charging scheme to suit the battery. | 2013-02-21 |
20130043840 | SYSTEMS AND METHODS FOR PERFORMING CELL BALANCING IN A VEHICLE USING CELL CAPACITIES - Systems and methods to perform cell balancing on a vehicle battery pack. Cell balancing regulates which cells are discharged during use of the battery pack. Individual cell capacities may be used to determine for how long individual cells are discharged. | 2013-02-21 |
20130043841 | CIRCUIT AND METHOD OF MEASURING VOLTAGE OF THE BATTERY - The present invention provides a circuit and a method of measuring battery voltage. During the charging, the method adopts cycles of charging, stopping charging, discharging, stopping discharging, and measuring voltages. Within each cycle, between the discharging and the measuring voltage, multiple times of pulse discharging are conducted. After each pulse discharging, the battery voltage is immediately measured until the voltage returns to a stable voltage. Then, the next pulse discharging is conducted. By comparing the stable voltages obtained from successive pulse discharging, whether the virtual voltage is removed and whether the real voltage has been obtained is confirmed. Then the real voltage is further used to determine if the battery is fully charged. | 2013-02-21 |
20130043842 | CHARGE EQUALIZATION SYSTEM FOR BATTERIES - A battery equalization system has two accumulator stages in series, each including an accumulator, and ±poles, a voltage generator for each accumulator stage, and an associated charging device powered by the generator. The charging device includes an inductor and capacitors. One capacitor connects to the generator's positive pole, the other connects to its negative pole, a first diode, whose anode connects to a negative pole of the accumulator stage and whose cathode connects to the first capacitor, a second diode whose anode connects to the negative pole of the accumulator stage and whose cathode connects to the second end of the second capacitor, and a switch connected to the inductor and to the positive pole of the accumulator stage, and a control device that controls the generator, closes the switch and causes the inductor to stores energy and to transfer it to the associated accumulator stage. | 2013-02-21 |
20130043843 | HIGH CAPACITY LITHIUM ION BATTERY FORMATION PROTOCOL AND CORRESPONDING BATTERIES - Battery formation protocols are used to perform initial charging of batteries with lithium rich high capacity positive electrode to result a more stable battery structure. The formation protocol generally comprises three steps, an initial charge step, a rest period under an open circuit and a subsequent charge step to a selected partial activation voltage. The subsequent or second charge voltage is selected to provide for a desired degree of partial activation of the positive electrode active material to achieve a desired specific capacity while providing for excellent stability with cycling. The formation protocol is particularly effective to stabilize cycling for compositions with moderate lithium enrichment. | 2013-02-21 |
20130043844 | CONTROL DEVICE FOR ELECTRIC POWER STORAGE DEVICE AND VEHICLE EQUIPPED WITH THE SAME - A control device controls charging/discharging of an electric power storage device for supplying electric power to a load device. The control device includes: a limit value setting unit setting a limit value of charge electric power for the electric power storage device based on the state of the electric power storage device; a target setting unit setting a target value of the charge electric power based on the state of the load device and the limit value; a correction unit correcting the limit value based on a difference between the target value and the actual electric power input to and output from the electric power storage device; and a command setting unit setting a command value of the charge electric power based on the state of the load device and the corrected limit value. | 2013-02-21 |
20130043845 | METHOD FOR OPERATING A WIND TURBINE IN THE EVENT OF THE OCCURRENCE OF A GRID FAULT WITH A VOLTAGE DROP AND SUCH A WIND TURBINE - A method for operating a wind turbine when a grid fault with a voltage drop occurs. The turbine has a rotor with a rotor blade having an adjustable blade pitch angle, a generator connected to the rotor for generating power for a power grid and a converter connected to the generator and the power grid. The grid fault is identified and a present value of a turbine variable representing a power is detected and a hold setpoint for the variable representing a power of the turbine is preset. A maximum and/or minimum permissible setpoint for the variable of the turbine is determined. The setpoint is increased or reduced once the hold time has elapsed. The turbine is driven with a setpoint preset which corresponds to the rotational speed. A presetting of the maximum permissible setpoint is ended when the rotational speed-dependent setpoint is lower than the maximum permissible setpoint. | 2013-02-21 |
20130043846 | METHODS AND APPARATUS TO IMPROVE POWER FACTOR AT LIGHT-LOAD - Methods and apparatus to improve power factor are disclosed. An example method includes detecting power provided to a power factor corrector; detecting power provided by the power factor corrector; and disabling the power factor corrector from correcting a power factor of a load for at least one period when the power provided by the power factor corrector is below a light-load threshold. | 2013-02-21 |
20130043847 | POWER FACTOR CORRECTION CIRCUITRY AND METHODOLOGY TO COMPENSATE FOR LEADING POWER FACTOR - Aspects relate to utilizing power factor correction to compensate for a leading power factor produced mainly due to electromagnetic interference (EMI) capacitors in front of a power factor correction stage. Provided is a power supply that includes a power factor correction circuit that includes a second harmonic generator component. The harmonic generator component includes a filter component and an integrator component. The filter component is configured to receive a rectified voltage and a power factor correction current and block a direct current component. The integrator component is configured to receive an alternating current component from the filter component and produce a harmonic that causes an angle of the power factor correction current to change from a leading power factor to a unity power factor or to a lagging power factor. | 2013-02-21 |
20130043848 | REFERENCE CURRENT GENERATION CIRCUIT - A reference current generation circuit is provided, in which a current generated according to a bandgap voltage is not directly used as a reference current, but the current generated according to the bandgap voltage is used to adjust an output reference current. In this way, the reference voltage is generated without using an external resistor, so as to effectively decrease the production cost. | 2013-02-21 |
20130043849 | Voltage Converter Including Variable Mode Switching Regulator And Related Method - According to one embodiment, a voltage converter comprises a switching regulator, a driver, and a power stage receiving an input voltage and producing a converted output voltage. The switching regulator is configured to utilize a voltage control path and a current control path to provide feedback to the driver corresponding to a load condition of a load in the power stage, allowing the driver to adjust the converted output voltage in response to the feedback. In one embodiment, the switching regulator utilizes the voltage control path and the current control path to transition control of the voltage converter between a fixed frequency mode control, such as a current-programmed mode (CPM) control, and a variable frequency mode control, such as a hysteretic mode control. | 2013-02-21 |
20130043850 | SWITCHING REGULATOR AND CONTROL METHOD FOR SAME - A switching regulator and control method for the same. The switching regulator employs a hybrid mode. A ramp voltage signal is added to the current sense signal to make the ramp voltage signal overtake the current information when the duty cycle becomes low. | 2013-02-21 |
20130043851 | CONTROL CIRCUIT AND CONTROL METHOD FOR SWITCHING POWER SUPPLY, AND SWITCHING POWER SUPPLY AND ELECTRONIC APPARATUS USING CONTROL CIRCUIT AND CONTROL METHOD - The present invention improves the efficiency of a switching power supply in a light load. A control circuit is configured to repeat a driving duration enabling the switching element to be switched and a stop duration stopping the switching in a light load state. A pulse signal generating portion generates a driving pulse signal, in which the driving pulse signal at least includes a pulse in the driving duration, and the lighter a load is, the less the number of pulses in the driving duration is. A first driver drives a first switching transistor according to the at least one pulse in the driving pulse signal other than predetermined K pulses (K is a natural number). The K pulses are in the driving pulse signal when the number of the pulses is reduced to K. | 2013-02-21 |
20130043852 | Digital Controller for DC/DC Converters - An embodiment switching converter includes a power stage that receives an input voltage for converting it into an output voltage and provides a load current to a load operably coupled to the power stage. The power stage includes an inductor carrying an inductor current and a digital controller configured to regulate the output voltage to a level close to a reference voltage using a pulse width modulated (PWM) signal supplied to the power stage. | 2013-02-21 |
20130043853 | POWER MATCHING SYSTEM - A power matching system is applied to a central processing unit (CPU) power supply, which includes a power control chip to regulate the frequency of the signal applied to the CPU power supply. The power control chip includes a detecting pin. The power matching system includes a control unit and a control circuit. The control unit includes a platform controller hub (PCH) to obtain information concerning a CPU, a basic input output system (BIOS) to obtain a power rating of the CPU, and an integrated baseboard management controller (IBMC) to output a required signal to the control circuit according to the power rating established. The power control chip receives the required signal from the control circuit and regulates the frequency of the signal applied to the CPU power supply. | 2013-02-21 |
20130043854 | ADJUSTABLE RESONANT BUCK CONVERTER - A power converter includes first and second circuit modules, a first capacitor, a second diode and a control module. The first circuit module includes a switching element in parallel with a first diode. The second circuit module includes a first inductor and the first circuit module. The inductor is in series with the first circuit module. The first capacitor is in parallel with the second circuit module. The second diode includes a first terminal and a second terminal, where the first terminal is in series with the second circuit module and the first capacitor, and the second terminal is coupled to a second power terminal. The control module varies one or more of the first capacitor and the first inductor based on at least one of a current of a load circuit or an input voltage. A resonating waveform is generated by a resonant circuit of the second circuit and is used by the control module to turn off the switching element under zero-current and zero-voltage conditions. | 2013-02-21 |
20130043855 | POWER SUPPLY DEVICE AND METHOD THEREOF - A power supply device generating an output voltage and including a first switching module, a second switching module, a detection module, a pulse width modulation (PWM) module and an energy storage filter module is disclosed. The first switching module is coupled between a first voltage source and a switching node. The second switching module is coupled between the switching node and a second voltage source. The detection module detects voltage of the switching node. The PWM module generates a first PWM signal and transmits the first PWM signal to the first switching module according to a detection result of the detection module. The energy storage filter module processes the voltage of the switching node to generate the output voltage. | 2013-02-21 |
20130043856 | CIRCUIT AND METHOD FOR GENERATING A RAMP COMPENSATION VOLTAGE FOR A SWITCHING REGULATOR - The present invention relates to a circuit and method of generating a ramp compensation voltage as might be used in a switching regulator. The ramp compensation voltage comprises: a charging current generating circuit configured to receive a switching signal having a frequency of fs, a duty cycle of D and a period of Ts, the charging current generating circuit generating a charging current in direct proportion to | 2013-02-21 |
20130043857 | HYSTERETIC CHARGER FOR ENERGY HARVESTER DEVICES - A hysteretic converter includes an inductor coupled between a source of voltage and a switch node. A low side switch is coupled between the switch node and a reference voltage. A high side switch is coupled between the switch node and the output of the converter. A driver controls the low side and high side switches, wherein the low side switch is turned on until the input current rises to a predetermined set point, the predetermined setpoint can be adapted to input current from the source of voltage. | 2013-02-21 |
20130043858 | MAXIMUM POWER POINT TRACKING CIRCUIT GENERIC TO A VARIETY OF ENERGY HARVESTER DEVICES - A maximum power point tracking circuit for an energy harvester device, the tracking circuit requiring nanoampere current in a standby mode, includes a maximum power point circuits utilizing a predetermined fraction of the open circuit input voltage to determine the maximum power point for energy harvester device. A circuit determines the predetermined fraction of the open circuit voltage of the energy harvester device. A sample and hold circuit measures and holds him the predetermined fraction of the open circuit voltage of the energy harvester device for use by the maximum power point circuit | 2013-02-21 |
20130043859 | METHOD FOR ADJUSTING A REFERENCE VOLTAGE BASED ON A BAND-GAP CIRCUIT - The method adjusts a reference voltage of an electronic circuit based on a band-gap voltage supplied by a first band-gap stage. The band-gap stage includes a current source connected to a first branch, which includes a first configurable resistor in series with a first diode, and to a second branch, which includes a second configurable resistor connected to a complementary resistor in series with a second diode. The current source is a PMOS transistor controlled by an output voltage of a first operational amplifier of a current control loop. The appropriate binary word for configuring the configurable resistors is determined based on four band-gap voltage values measured at two different temperatures and two resistive values of the resistors configured by the same first binary word and by the same second binary word which is different from the first binary word. | 2013-02-21 |
20130043860 | RFID Sensor Devices Having Drive Elements - An RFID-based sensor is provided with an RFID chip and an antenna electrically connected to the RFID chip. The sensor further includes a sensing material electrically connected to the antenna and a drive element. At least a portion of the sensor is movable between a closed condition in which the sensing material is isolated from the outside environment and an open condition in which the sensing material is exposed to the outside environment. The drive element moves the sensor between the open and closed configurations depending on whether or not it is receiving a signal. | 2013-02-21 |
20130043861 | VOLTAGE DETECTION DEVICE FOR FUEL CELL - A voltage detection device includes voltage detection sections that measure cell voltages in the blocks, a control section, and (N−1) or less converters that raise the voltage, which is supplied from a DC power source, to a voltage of a driving power source for the voltage detection section. In a case where a voltage detected by at least one voltage detection section among the voltage detection sections which operate by the power supplied from the respective converters, exceeds a predetermined threshold value, the control section controls at least one voltage detection section among the voltage detection sections to operate using the cell voltage of each of the blocks as a driving power source and acquires the cell voltage in each of the blocks. | 2013-02-21 |
20130043862 | BIOSENSOR DETECTING THIOL GROUP AND METHOD FOR PREPARING THE BIOSENSOR - There is provided a biosensor for detecting a thiol group and a method of manufacturing the biosensor. In detail, in the method, Au nano particles are manufactured by irradiating radiation (Step 1), a PTh-EDOT/ITO film is manufactured by forming a poly(thiophene-co-3,4-ethylenedioxythiophene) (PTh-EDOT) layer on an indium tin oxide (ITO) coated substrate using cyclic voltammetry (CV) (Step 2) (Step 2); and a Au nano particle modified PTh-EDOT/ITO film is manufactured by dispersing the Au nano particles manufactured in Step 1 onto the PTh-EDOT/ITO film manufactured in Step 2 (Step 3). | 2013-02-21 |
20130043863 | MAGNETIC POSITION SENSORS, SYSTEMS AND METHODS - Magnetic position sensors, systems and methods are disclosed. In an embodiment, a position sensing system includes a magnetic field source with a dipole moment in a direction along a z-axis; and a sensor module spaced apart from a center of the dipole moment a distance y0 along a y-axis and spaced apart a distance z0 from a center of the dipole moment along a z-axis, at least one of the magnetic field source or the sensor module configured to move relative to the other along a path in the y=y0 plane, the sensor module configured to determine a relative position of the magnetic field source to the sensor module with respect to the path from a ratio of a gradient dBz/dx to a gradient dBz/dy, where Bz is a magnetic field component associated with the permanent magnet, and where an x-axis, the y-axis and the z-axis are at right angles. | 2013-02-21 |
20130043864 | WINDING METHOD AND WINDING STRUCTURE OF STATOR FOR ROTATION DETECTOR, AND ELECTRIC MOTOR COMPRISING ROTATION DETECTOR | 2013-02-21 |
20130043865 | PAIR COMPRISING PRINTED CIRCUIT BOARD AND FURTHER BOARD AND METHOD FOR MEASURING CURRENT INTENSITY - A current measurement is implemented with the aid of magnetoresistive sensors or Hall sensors. The sensors are arranged on one or two printed circuit boards, which provide a passage when coupled to one another, through which passage an electrical line passes. The printed circuit boards can also be fitted retrospectively to electrical lines, with the result that the electrical lines need not be interrupted. | 2013-02-21 |
20130043866 | METHOD AND APPARATUS FOR ENHANCING SIGNAL IN MAGNETIC RESONANCE IMAGING - A method and an apparatus for enhancing signals in magnetic resonance imaging are provided. The method includes the following steps. Applying one or more than one RF pulse, which carries at least two frequency components, and a slice/slab selection gradient to a subject, so that at least two slices/slabs of the subject respectively corresponding to the at least two frequency components are excited simultaneously. Applying a plurality of spatial encoding gradients and one or more than one separation gradients for separating the at least two slices/slabs. Receiving a plurality of responsive RF signals excited from the subject. The responsive RE signals are restored according to a signal restoration function. | 2013-02-21 |
20130043867 | SIDEBAND PROCESSING FOR MAGNETIC RESONANCE - A method includes applying a pulse train to a spin system in a scanner. The pulse train has a plurality of discontinuities in a time domain. The method includes receiving a response from the spin system. The response corresponds to a gated signal. The method includes accessing a correction factor corresponding to the scanner. The method includes calculating a correction to the response based on the correction factor. The method includes generating an output based on the correction. | 2013-02-21 |
20130043868 | METHOD AND APPARATUS FOR SIMULTANEOUSLY GENERATING MULTI-TYPE MAGNETIC RESONANCE IMAGES - An electromagnetic wave signal, having a pulse train in which pulses having a plurality of frequencies corresponding to multi-type atomic nuclei are arranged in a line, is applied to a target object located in a magnetic field by using a radio frequency (RF) coil in the magnetic field. Data of magnetic resonance signals corresponding to the multi-type atomic nuclei is collected from the RF coil, and multi-type magnetic resonance images corresponding to the multi-type atomic nuclei are generated by using the data of the magnetic resonance signals. | 2013-02-21 |
20130043869 | DECONVOLUTION OF CHEMICAL MIXTURES WITH HIGH COMPLEXITY BY NMR CONSENSUS TRACE CLUSTERING - This disclosure provides new multidimensional-NMR approaches that are useful in the analysis of mixtures with high complexity at natural | 2013-02-21 |
20130043870 | THERMOACOUSTIC RF BODY COIL LINER FOR REDUCED ACOUSTIC NOISE IN AN MR SYSTEM - A composite RF body coil liner for reducing acoustic noise in an MR System is disclosed. The composite RF body coil liner includes an inner surface layer, an outer surface layer, a fire retardant layer positioned between the inner surface layer and the outer surface layer, and an acoustic barrier positioned between the inner surface layer and the outer surface layer, with the acoustic barrier configured to increase the mechanical damping of the RF body coil so as to reduce RF body coil vibration. | 2013-02-21 |
20130043871 | METHOD AND APPARATUS FOR CONTROLLING AN AMPLIFIER OF A MAGNETIC RESONANCE IMAGING DEVICE - An magnetic resonance imaging (MRI) device includes at least one amplifier, a control module which controls an operating module of the at least one amplifier, a back-up control module, a determination unit for determining whether the control module is operating normally, and a switching module for performing a switching operation to switch operations of the control module to the at least one back-up control module in the event of abnormal operation of the control module. | 2013-02-21 |
20130043872 | DEVICE AND METHOD FOR DETECTING AN OBJECT IN A SUBSURFACE - A device for detecting an object in a subsurface, including a transmitting unit having a transmitting element designed to emit a transmission signal into the subsurface, a receiving unit having two or more receiving elements designed to receive a reception signal which is a function of the transmission signal and the properties of the object and of the subsurface, a control and evaluation unit which is designed to control the transmitting unit and receiving unit and to evaluate the reception signals, and a display unit which is designed to display the reception signals evaluated by the control and evaluation unit. The transmitting unit has at least one further transmitting element which is designed to emit at least one further transmission signal into the subsurface, and the transmitting elements of the transmitting unit are controllable independently of one another by the control and evaluation unit. A method is also provided. | 2013-02-21 |
20130043873 | APPARATUS AND METHODS FOR PROVIDING INFORMATION ABOUT ONE OR MORE SUBTERRANEAN FEATURE - A method of approximating or determining at least one dimension or other characteristic of at least one underground geological feature in a zone of interest proximate to a well bore includes generating an electric field in the zone of interest. At least two sensing electrodes are provided in the well bore and configured to detect differences therebetween in electric potential caused by at least one target object in the zone of interest. Proppant containing signal generating devices (SGD) is delivered into the geological feature(s). The SGD generate a detectable signal in response to at least one downhole condition or property. At least one receiver receives the detectable signals and provides data relating thereto. At least one dimension or other characteristic of the geological feature is approximated or determined based at least partially upon data provided by the sensing electrodes and receiver(s). | 2013-02-21 |
20130043874 | DRILL BIT ASSEMBLY HAVING ELECTRICALLY ISOLATED GAP JOINT FOR MEASUREMENT OF RESERVOIR PROPERTIES - A drill bit assembly for measuring reservoir formation properties comprises a bit head and a pin body, and an electrically insulated gap joint between two conductive parts of the drill bit assembly. The bit head has a cutting end and an opposite connecting end with an engagement section. The pin body comprises a connecting end with an engagement section. The pin connecting end is connected to the bit head connecting end such that the engagement sections overlap. The electrically insulating gap joint can fill a gap between the bit head and pin body engagement sections such that the bit head and pin body are mechanically connected together at the connecting ends but electrically separated. Alternatively or additionally, the pin body can have two pieces which are separated by an electrically insulating gap joint. An electrical conductor is electrically connected at a first end to the bit head and is communicable at a second end with an alternating current signal to transmit an alternating current into the bit head, thereby inducing an electric current into a reservoir formation adjacent the bit head. Electronic equipment includes measurement circuitry configured to determine the alternating current at the bit head, the alternating current being inversely proportional to a bit resistivity of the formation. | 2013-02-21 |
20130043875 | TESTING OF ELECTROLUMINESCENT SEMICONDUCTOR WAFERS - Forward voltage drift in a probe system for the characterization of a light-emitting wafer is virtually eliminated by directing compressed air to the probe so as to ensure that the exact same temperature conditions exist during repeated measurements of the wafer. In one embodiment of the invention, an air flow at room temperature is used, either continuously or intermittently. In another embodiment, the temperature of the probe is controlled by flowing a liquid or a gas through micro-channels built into the probe. In yet another embodiment, the probe is connected to a solid-state Peltier cell that is computer-controlled to maintain the probe's temperature at a predetermined set-point. A temperature-controlled chamber or a thermal reservoir enclosing the probe could be used as well. The results obtained showed remarkable repeatability. | 2013-02-21 |
20130043876 | METHOD FOR ESTIMATING STATE-OF-CHARGE OF LITHIUM ION BATTERY - The invention relates to the technical field of lithium-ion batteries, in particular to a method for estimating the state of charge of a lithium-ion battery. The method includes: charging a lithium-ion battery, recording multiple groups of ampere-hour integral values, and states of charge and voltage values corresponding to the ampere-hour integral values; taking the maximum value in the multiple groups of ampere-hour integral values as the first ampere-hour integral value, the state of charge corresponding to the first ampere-hour integral value as the first state of charge, and the voltage value corresponding to the first ampere-hour integral value as the first voltage value; monitoring the lithium-ion battery in real time, recording a real-time second ampere-hour integral value and a second voltage value, obtaining a second state of charge by an ampere-hour measuring method; and if the second voltage value is consistent with the first voltage value and the second state of charge is inconsistent with the first state of charge, replacing the second state of charge with the first state of charge. The invention increases the reliable evidence for judging the online equalization of the battery pack and most importantly avoids the situation where the state of charge of the battery can be corrected only on condition that the battery pack works at the extreme state of charge, and lowers the influences of the full charge and discharge on the lifetime of the battery. | 2013-02-21 |
20130043877 | OPERATIONAL AMPLIFIER WITH DIFFERENT POWER SUPPLY VOLTAGES - An operational amplifier with different power supply voltages includes an input stage and an output stage. The input stage includes a current source for providing a bias current, and a differential input circuit for receiving the bias current and differential input voltage signals, and converting the differential input voltage signal to differential input currents. The input stage is supplied by a first power supply voltage. The output stage includes a load circuit coupled to the differential input voltage signal and for receiving the differential input currents, and outputting a single ended output voltage signal. The output stage is supplied by a second power supply voltage. The second power supply voltage is lower than the first power supply voltage. | 2013-02-21 |