51st week of 2013 patent applcation highlights part 20 |
Patent application number | Title | Published |
20130334991 | VARIABLE-FLUX MOTOR DRIVE SYSTEM - A variable-flux motor drive system including a permanent-magnet motor including a permanent magnet, an inverter to drive the permanent-magnet motor, and a magnetize device to pass a magnetizing current for controlling flux of the permanent magnet. The permanent magnet is a variable magnet whose flux density is variable depending on a magnetizing current from the inverter. The magnetize device passes a magnetizing current that is over a magnetization saturation zone of magnetic material of the variable magnet. This system improves a flux repeatability of the variable magnet and a torque accuracy. | 2013-12-19 |
20130334992 | CONTROL METHOD IMPLEMENTED IN A POWER CONVERTER AND INTENDED FOR IDENTIFYING PARAMETERS LINKED TO THE MAGNETIC SATURATION OF AN ELECTRIC MOTOR - A control method implemented in a power converter including an inverter connected to a synchronous electric motor including permanent magnets, the electric motor being modeled in the power converter by a mathematical model of currents in the electric motor expressing a flux current and a torque current on the basis of magnetic-saturation parameters. The control method identifies magnetic-saturation parameters during a learning procedure including applying a static voltage signal and a high-frequency voltage signal along an axis of the flux and/or an axis of the torque of the motor to cause an oscillation of the current on the axis of the flux and/or on the axis of the torque. | 2013-12-19 |
20130334993 | METHODS, SYSTEMS AND APPARATUS FOR ESTIMATING ANGULAR POSITION AND/OR ANGULAR VELOCITY OF A ROTOR OF AN ELECTRIC MACHINE - Embodiments of the present disclosure relate to methods, systems and apparatus for estimating angular position and/or angular velocity of a rotor of an electric machine. | 2013-12-19 |
20130334994 | METHODS AND SYSTEMS FOR AUTOMATIC ROTATION DIRECTION DETERMINATION OF ELECTRONICALLY COMMUTATED MOTOR - A method for determining a direction of rotation for an electronically commutated motor (ECM) is described. The motor is configured to rotate a blower and the method comprises rotating the blower using the ECM and determining if the resulting blower rotation is indicative of the desired direction of rotation for the blower. | 2013-12-19 |
20130334995 | MOTOR CONTROL APPARATUS AND ELECTRIC POWER STEERING APPARATUS USING THE SAME - A motor control apparatus includes an A/D converter, which is a hardware part for converting an analog signal of a sensor to a digital signal, a microcomputer, which is a software part, and a drive circuit, which is a hardware part for driving an inverter to supply electric power to a motor. The microcomputer includes calculation blocks, each of which is a calculation block for individually calculating an output from an input. The microcomputer further executes, in parallel to control calculations, software monitor processing for each calculation block to monitor whether the control calculation is executed normally. The motor control apparatus thus can detect a software abnormality without using a monitoring hardware circuit separately. | 2013-12-19 |
20130334996 | VARIABLE-SPEED HOISTING MACHINE - A variable-speed hoisting machine uses an electric motor having a pull-rotor brake as a hoisting motor and capable of supplying the electric motor with an electric current that can reliably release the pull-rotor brake at the time of starting an operation even in the case of a variable-speed hoisting machine such as an electric chain block in a variable-speed hoisting machine having an electric motor with a pull-rotor brake and an inverter controlling the speed of the electric motor in a soft-start manner, the inverter is set to operate according to a predetermined voltage-frequency (V-F) pattern. | 2013-12-19 |
20130334997 | METHOD AND APPARATUS FOR CONTROLLING A HIGH-VOLTAGE ELECTRICAL SYSTEM FOR A MULTI-MODE TRANSMISSION - A multi-mode transmission for a powertrain system includes a high-voltage electrical system with a high-voltage battery and high-voltage electrical bus coupled to a power inverter electrically coupled to torque machines configured to transform electric power to torque. A method for controlling the multi-mode transmission includes monitoring voltage and current on the high-voltage electrical bus, and estimating electric power limits for the high-voltage electric bus including a constrained battery power command based upon a total motor torque electrical power for the torque machines. Torque commands for the torque machines are constrained in response to the estimated electric power limits for the high-voltage electric bus. Operation of the torque machines of the multi-mode transmission is controlled in response to the torque commands for the torque machines. | 2013-12-19 |
20130334998 | SYSTEMS, APPARATUS, AND METHODS FOR SOFT STARTING LARGE AC MOTORS WITH A VARIABLE FREQUENCY DRIVE - A system for soft starting a large AC motor may include a variable frequency drive (VFD) having a much lower voltage rating than the rated voltage of the AC motor. The VFD's voltage rating may be in a range of about 33% to about 67% of the AC motor's rated voltage. The AC motor may be coupled to a utility power source via conventional connections to leads of the AC motor's windings. The VFD may be connected to the AC motor via tapped connections within the windings of the AC motor such that the tap voltages are much less than the AC motor's rated voltage. A less expensive VFD may therefore be used to soft start the AC motor instead of a VFD having the same rated voltage as the AC motor. Methods of starting large AC motors with a VFD are also provided, as are other aspects. | 2013-12-19 |
20130334999 | ANTI-REBOUNDING CONTROL APPARATUS AND METHOD IN AN ELECTRICAL SWING SYSTEM OF A HYBRID EXCAVATOR - An anti-rebounding control apparatus is provided, which includes an anti-rebounding controller outputting a first command for setting a torque limit value to “0” if an electric motor speed value is equal to or smaller than an upper threshold value and equal to or larger than a lower threshold value in the case where a speed command value of “0” is input and outputting a second command for setting the torque limit value to a maximum value if the electric motor speed value is smaller than the lower threshold value, a torque regulator setting the torque limit value to “0” when the first command is input and setting the torque limit value to the maximum value when the second command is input, and an electric motor inverter intercepting a power that is supplied to an electric motor if the torque limit value is set to “0” and re-supplying the power to the electric motor if the torque limit value is set to the maximum value. Accordingly, the same performance as an anti-rebounding system that is used in a swing system of an existing hydraulic excavator can be implemented even in a system that performs a swing operation using an electric motor such as a hybrid (or electric) excavator. | 2013-12-19 |
20130335000 | EFFICIENCY BASED STAND-BY MODE FOR FUEL CELL PROPULSION SYSTEMS - A system and method for operating a fuel cell system in a stand-by mode. The method includes determining a power limit value based on fuel cell stack and battery power optimization, where if a system power request falls below the power limit value the system will enter the stand-by mode. The system first enters a dynamic stand-by mode where the fuel cell stack is turned off and a compressor providing cathode air to the cathode side of the stack is operated at an idle speed. The method accumulates a compressor power value identifying how much energy has been consumed by operating the compressor at the idle speed during the dynamic stand-by mode, and then switches to a static stand-by mode where the compressor is turned off when the accumulated compressor power value reaches a compressor restart energy value that identifies how much energy it takes to start the compressor. | 2013-12-19 |
20130335001 | BATTERY CHARGER BY PHOTOVOLTAIC PANEL - A charge control system of one or more batteries B is electrically connected with one or more solar panels S, so configured to obtain the maximum transfer of power from such one or more solar photovoltaic panels S and for controlling the charge of the one or more batteries B. The control system includes: at least one tracking device of the point of maximum power or MPPT | 2013-12-19 |
20130335002 | ELECTRIC VEHICLE SOLAR ROOF KIT - A solar kit according to an exemplary aspect of the present disclosure includes, among other things, a solar module including a solar cell. A converter is configured to provide a continuous amount of power from said solar module to a battery pack. | 2013-12-19 |
20130335003 | PERSONAL ELECTRONIC DEVICE CARRYING CASE HAVING AN INTEGRATED BATTERY-POWERED CHARGER - A personal electronic device carrying case is described. The carrying case includes a securing mechanism for retaining the personal electronic device in place, a charging unit, and a physical keyboard. The charging unit includes a charger, a battery, and a connecting cable. The charging unit and physical keyboard may be connected such that a single connecting cable is used to connect the charger and keyboard to the personal electronic device. This carrying case provides advantages in protecting the personal electronic device while providing a means to charge the personal electronic device in the event that the personal electronic device's battery runs low. This will be especially appealing when a wall receptacle is unavailable to recharge the personal electronic device battery, for instance when a user is on an extended plane flight. | 2013-12-19 |
20130335004 | METHOD AND DEVICE FOR DISCHARGING AN ELECTRICAL NETWORK - A method, a device and an electrical system for discharging a first electrical network. The first electrical network comprises in particular an intermediate circuit which comprises in particular an intermediate-circuit capacitor. The first electrical network is connected to a second electrical network by means of a DC-DC converter for this purpose. The first electrical network is discharged by means of the DC-DC converter. At the same time, the DC-DC converter transfers electrical energy into the second electrical network. For discharging, the output voltage of the DC-DC converter is set to a first voltage value, which is larger than the nominal voltage of the second electrical network. For discharging, the output voltage of the DC-DC converter is set to the first voltage value for a predefinable first period of time. | 2013-12-19 |
20130335005 | CHARGER INFORMATION DISTRIBUTION DEVICE - A charger management device for a vehicle equipped with a secondary battery includes a charging data acquisition unit that acquires at least one of items of a charger user identification number, a charging spot ID identifying a charger installed location, a charging start time, a battery remaining amount at start of charging, and a battery remaining amount at end of charging; a charging data rearranging/separating unit that rearranges and separates the charging data by the at least one of the items; a charging spot ID utilization order calculation unit that calculates in what order charging spots are being utilized on an item by item basis; a charging spot successive utilization tendency computation unit that computes, on the basis of the result of calculation by the charging spot ID utilization order calculation unit, in what order the charging spots are being used successively. | 2013-12-19 |
20130335006 | CHARGE CONTROL CIRCUIT - A charge control circuit supplies power from an external power source to a first common node and charges a second common node. A regulator circuit is coupled between the external power source and the first common node, and a transistor is coupled between the first common node and the second common node. A current sensing and control device senses the current from the first common node to the second common node and generates a first control signal. A first voltage sensing and control device senses a voltage at the first common node, and generates a conduction control signal to control the transistor. A second voltage sensing and control device senses a voltage at the second common node, and generates a second control signal. The regulator circuit provides system power to the first common node according to the first control signal and the second control signal. | 2013-12-19 |
20130335007 | UNIVERSAL CHARGING DETECTION DEVICE AND UNIVERSAL CHARGING DETECTION METHOD - A universal charging detection device and a universal charging detection method are disclosed herein. The universal charging detection device is provided for a charger that can be electrically connected to an electronic device via a universal serial bus (USB). The universal charging detection device includes a voltage output unit, a current sensing unit, a current level detector and a state machine. The voltage output unit is electrically connected to the electronic device. The current sensing unit can convert an output current into a sensing voltage, where the charger outputs the output current to the USB. The current level detector can output a detection signal according to a level of the sensing voltage. The state machine can order that the voltage output unit adjusts a voltage between a first data signal pin (D+) and a second data signal pin (D−) of the USB. | 2013-12-19 |
20130335008 | CHARGER INTEGRATING NETWORK INTERFACE CONVERSION APPARATUS - Embodiments of the present invention disclose a charger integrating a network interface conversion apparatus, which is used with a wireless mobile gateway device. The charger includes a first interface, a power interface, a second interface, a charging circuit, and a network interface adapter circuit. The power interface is connected to an input end of charging circuit. An output end of the charging circuit is connected to the first interface and a power supply terminal of the network interface adapter circuit. The second interface is connected to a signal terminal which has a corresponding format and is of the network interface adapter circuit, and the first interface is connected to a signal terminal which has a corresponding format and is of the network interface adapter circuit. | 2013-12-19 |
20130335009 | Inspection System, Charger/Discharger, and Inspection Method of Secondary Battery - An inspection system (a secondary battery anomaly detection system) has a ROM which stores data including information about a V-dQ/dV curve upon initial charge of a reference secondary battery. At inspection of a secondary battery, upon initial charge from a power supply, an anomaly detecting unit uses an amount of stored electricity calculated from a current value detected by a current detecting unit to calculate a dQ/dV actual measurement value, which is a ratio of a changed amount of the amount of stored electricity to a changed amount of a voltage value detected by a voltage detecting unit, compares the calculated value and the information about the V-dQ/dV curve to determine whether the calculated value corresponds to a feature point on the curve, and detects an anomaly of the secondary battery (incapability of long-term capacity reliability) when the calculated value does not correspond to the feature point on the curve. | 2013-12-19 |
20130335010 | CONNECTOR AND CONTROL CHIP - A connector is provided. In one embodiment, the connector conforms to a data communication standard, and is connected to a cable, and comprises a contact opening and a control chip. The contact opening comprises a plurality of first contacts on a first side for performing a data communication process, and a plurality of second contacts on a second side for performing a rapid charging process. The control chip is coupled between the contact opening and the cable, and couples the second contacts to a downstream power port of the cable when the second contacts of the contact opening is coupled to a host connector of a host. | 2013-12-19 |
20130335011 | MICROELECTRONIC DEVICES FOR HARVESTING KINETIC ENERGY AND/OR DETECTING MOTION, AND ASSOCIATED SYSTEMS AND METHODS - Microelectronic devices for harvesting kinetic energy and/or detecting motion, and associated systems and methods. Particular embodiments include an energy harvesting device for generating electrical energy for use by microelectronic devices, where the energy harvesting device converts to electrical energy the kinetic energy among or within the microelectronic devices and their packaging, and provides this electrical energy to power the microelectronic devices. | 2013-12-19 |
20130335012 | METHOD AND SYSTEM FOR CHARGING MULTI-CELL LITHIUM-BASED BATTERY PACKS - A method and system for charging multi-cell lithium-based batteries. In some aspects, a battery charger includes a housing, at least one terminal to electrically connect to a battery pack supported by the housing, and a controller operable to provide a charging current to the battery pack through the at least one terminal. The battery pack includes a plurality of lithium-based battery cells, with each battery cell of the plurality of battery cells having an individual state of charge. The controller is operable to control the charging current being supplied to the battery pack at least in part based on the individual state of charge of at least one battery cell. | 2013-12-19 |
20130335013 | ELECTRIC POWER TOOL POWERED BY A PLURALITY OF RECHARGEABLE BATTERY CELLS - An electric power tool is powered by a plurality of rechargeable battery cells and configured to removably receive respective rechargeable battery cells individually. The electric power tool may preferably include a monitor circuit that monitors states of respective battery cells, and an indicator circuit that indicates the states of the respective battery cells monitored by the monitor circuit. Especially, the monitor circuit may preferably monitor output voltages of the respective rechargeable battery cells and the indicator circuit may preferably indicate whether the detected output voltages are within a predetermined range. | 2013-12-19 |
20130335014 | POWER TOOL BATTERY PACK WIRELESS CHARGER - A power tool system includes a power tool, a power tool battery pack and a battery pack charger. The power tool battery pack is separable from and attachable to the power tool, and electrically connectable to the power tool electrical terminals when attached to the power tool. The power tool battery pack has at least one battery cell, a receiver coil, and a control circuit for controlling the amount of power that is provided to the at least one battery cell. The battery pack charger has at least one transmitter coil for generating a magnetic field which induces a voltage in the receiver coil, and a control circuit for controlling the amount of power that is provided to the transmitter coil. | 2013-12-19 |
20130335015 | CONTACTLESS POWER TRANSMITTING DEVICE, CONTACTLESS POWER RECEIVING DEVICE, AND CONTACTLESS POWER TRANSFER SYSTEM - A power transmitting device includes: a power transmitting unit being able to contactlessly transmit electric power to a power receiving unit of a power receiving device; and a guide unit changing a guide position of the power receiving device at power reception of the power receiving device on the basis of a type of the power receiving unit. The guide unit may when the types of the power receiving and transmitting units are the same, set a position of the power receiving unit, at which center positions of the power receiving and transmitting units coincide with each other, for the guide position, and, when the types of the power receiving and transmitting units are different, set a position of the power receiving unit, at which the center positions of the power receiving and transmitting units deviate from each other, for the guide position. | 2013-12-19 |
20130335016 | NON-CONTACT POWER CHARGING SYSTEM AND CONTROL METHOD THEREOF - A non-contact power charging, in which power transmission can be interrupted when foreign materials are deposited on a charge plate of the non-contact power charging system. A charging operation can be continuously maintained at a stable voltage even if a non-contact power receiving apparatus moves by touching or displacement on the charge plate of the non-contact power charging system in the charging operation. Charging efficiency is improved. | 2013-12-19 |
20130335017 | CONTACTLESS POWER FEEDING APPARATUS AND CONTACTLESS POWER FEEDING METHOD - [Object] To make a high efficiency electric power feeding possible without a wireless communication. | 2013-12-19 |
20130335018 | COIL UNIT, POWER TRANSMISSION DEVICE, EXTERNAL POWER FEEDING APPARATUS, AND VEHICLE CHARGING SYSTEM - A coil unit includes a resonant coil establishing electromagnetic field resonant coupling with an external resonant coil provided external to a vehicle. The resonant coil includes an outer side coil extending along a circumference of a first winding center, centered about the first winding center, and an extension extending from the outer side coil into a region surrounded by the outer side coil. The resonant coil is formed such that an anti-node of the resonant coil that is an area of an anti-node of AC current flowing through the resonant coil, is located at the extension when electromagnetic field resonant coupling is established between the external resonant coil and the resonant coil. | 2013-12-19 |
20130335019 | ELECTRONIC EQUIPMENT AND CHARGING METHOD THEREFOR - An objective of the invention is to make it possible to switch between contact charging and contactless charging without involvement of an increase in the number of constituent components and complication of charge control. An electronic equipment has a main body block and a battery pack. The battery pack has a power receiving control block for determining whether or not to perform contactless charging of a battery cell, based on whether or not a constant voltage is applied to a thermistor terminal from a first charge control block of the main body block and a second charge control block that performs contactless charging of the battery cell with electric power transferred from a charging rack to a secondary coil on a basis of a determination result of the power receiving control block. | 2013-12-19 |
20130335020 | SYSTEM AND METHOD FOR WIRELESS CHARGING - A system and method to integrate a wireless charging apparatus and system into an existing or a standard wall electrical receptacle housing is disclosed. The system may utilize a transmitter that includes an antenna coupled with a controller that operates with a power converter for the wireless transmittal of an electrical signal to a receiver associated with an electrical device to be charged. An indicator may be illuminated or otherwise notify a user of the charging capability or status of the wireless charging apparatus of system. The wireless charging apparatus or system may also include a standard electrical socket for providing a wired electrical connection. A standard wall plate coupled with the wall electrical receptacle housing accommodates the transmitter and the electrical socket. | 2013-12-19 |
20130335021 | CHARGING CONNECTION APPARATUS FOR A MOTOR VEHICLE - A motor vehicle ( | 2013-12-19 |
20130335022 | CHARGER FOR ELECTRIC VEHICLE - A charger for an electric vehicle is provided. The charger supplies a current from a commercial power source to a battery of the electric vehicle. The charger includes a light emitting unit for displaying charging operation information of the charger, a communication unit for performing optical communication with an external device, and a control unit controlling the light emitting unit and the communication unit. | 2013-12-19 |
20130335023 | Contact Charging System for Vehicle-Mounted Batteries - A system for charging a vehicle-mounted battery comprising a vehicle, a battery, a plurality of electrical contacts, wherein the plurality of electrical contacts is coupled to the vehicle and at least one of the plurality of electrical contacts is electrically connected to the battery, a plurality of electric power transfer components, wherein at least one of the plurality of electric power transfer components rotates about an axis, and wherein each of the plurality of electric power transfer components is configured to prevent undesired connections between the plurality of electric power transfer components and the vehicle, and a power source. | 2013-12-19 |
20130335024 | CHARGING CABLE FOR ELECTRICALLY-DRIVEN VEHICLE - A charging cable A for use in charging a battery of an electrically-driven vehicle includes a power plug | 2013-12-19 |
20130335025 | Charging Control System, Charging Control Method, and Program - A charging control system includes a flattened charging speed calculation unit that calculates a flattened charge speed for fully charging EVs at a constant speed according to permitted charging time for the EVs and the amount of charging required by the EVs; a charging speed calculation unit that calculates a charging speed for the EVs by multiplying the flattened charging speed by a request demand ratio function based on change over time in electric power demand requested from the electric power supply side; and a control unit that controls the charging of the EVs on the basis of the charging speed calculated by the charging speed calculation unit. | 2013-12-19 |
20130335026 | BATTERY PARALLEL BALANCING CIRCUIT - A method and device for regulating charging and discharging current through a battery pack. Two or more battery packs are connected in parallel to an inverter, such that the inverter can use grid power to charge the battery packs or the battery packs can provide AC power through the inverter. A current balancing circuit device is placed in series with each battery pack and is used to regulate the current through the battery pack so that none of the battery packs is excessively charged or discharged. The current balancing circuit includes two field effect transistors (FETs) arranged in series and in opposite directions, where one FET controls charging current and the other controls discharging current. The balancing circuit also includes a current sensor, and uses proportional-integral control to provide a signal to the FETs such that the actual current flowing through the circuit is regulated to a target current value. | 2013-12-19 |
20130335027 | Secure Mobile Electronic Device Servicing Kiosk - A compact mobile electronic device servicing kiosk which provides speed charging and UV sterilization services to at least one mobile electronic device locked in at least one compartment. To achieve key-less access to the compartments, an interactive computing interface keeps temporary records of authentication characteristics collected from authentication means such as a biometric device or a payment device for compartment access authorization. The interactive computing interface also serves as multimedia content display and user interaction device. The interactive computing interface is wireless accessible to local area network or to the Internet which enables download and upload content from and to various external sources as well as enabling remote control for operation and maintenance purposes. Given the security and mobility features, the kiosk fits perfectly in any public locations where users can conveniently obtain a quick service without having to wait in front of the kiosk during the service session. | 2013-12-19 |
20130335028 | BATTERY PACK AND METHOD OF CONTROLLING THE SAME - A battery pack is disclosed. The battery pack includes a first battery cell group having a plurality of battery cells, and a second battery cell group having a plurality of battery cells. The battery pack also includes a first impedance unit serially connected to the first battery cell group, a second impedance unit serially connected to the second battery cell group, and a battery management unit respectively determining a degree of deviation of the first battery cell group and the second battery cell group to adjust impedances of the first impedance unit and the second impedance unit. Accordingly, a decrease in performance due to deviation difference between batteries may be prevented. | 2013-12-19 |
20130335029 | METHOD AND APPARATUS FOR DISPLAYING BATTERY STATUS - The present disclosure is directed towards an adjusted display interface method and apparatus for displaying the charge condition of a battery in a gateway or similar device. In accordance with implementations of the present principles, a mapping is created between the actual battery charge percentage and a desired battery display condition that includes several conditional display levels configured to avoid user confusion. | 2013-12-19 |
20130335030 | BATTERY SYSTEM FOR SECONDARY BATTERY COMPRISING BLENDED CATHODE MATERIAL, AND APPARATUS AND METHOD FOR MANAGING THE SAME - Disclosed is a battery system for a secondary battery including a blended cathode material, and an apparatus and method for managing a secondary battery having a blended cathode material. The blended cathode material includes at least a first cathode material and a second cathode material. The first and second cathode materials have different operating voltage ranges. When the secondary battery comes to an idle state or a no-load state, the battery system detects a voltage relaxation occurring by the transfer of operating ions between the first and second cathode materials. | 2013-12-19 |
20130335031 | APPARATUS AND METHOD FOR ESTIMATING VOLTAGE OF SECONDARY BATTERY INCLUDING BLENDED CATHODE MATERIAL - Disclosed is an apparatus for estimating a voltage of a secondary battery which includes a cathode comprising a first cathode material and a second cathode material with different operating voltage ranges, an anode comprising an anode material and a separator for separating the cathode from the anode. The apparatus comprises a control unit configured to estimate a voltage of a secondary battery based on a circuit model including a first cathode material circuit, a second cathode material circuit and an anode material circuit, each circuit modeled to change its voltage according to State Of Charge (SOC) of the electrode material corresponding the circuit and a current flowing through the circuit. | 2013-12-19 |
20130335032 | Charging Control System, Charging Control Method, and Recording Medium - A charging control system that controls charging of a plurality of vehicles that run on electricity includes: an assignment unit that assigns an order of priority relating to charging to the plurality of vehicles based on a predetermined index; a receiving unit that receives electric power demands that are requested from an electric power supply side; and a control unit that selects from among the plurality of vehicles in the order of highest priority charging-object vehicles in which the ON/OFF setting for turning charging ON and OFF is to be set to ON, and sets the ON/OFF setting of charging-object vehicles to the ON setting. The control unit changes the number of charging-object vehicles in response to changes in electric power demands over time. | 2013-12-19 |
20130335033 | Charging Control System, Charging Control Method, And Recording Medium - A charging control system that controls charging of an automobile that uses electric power as motive power include a receiving unit that receives electric power demands from an electric power supplier side; and a control unit that controls charging on and off of the automobile. The control unit changes a ratio of a charging-on duration and a charging-off duration in each duration in allowable charging durations for the automobile according to changes of the electric power demands over time. | 2013-12-19 |
20130335034 | CHARGING METHOD FOR NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY, AND BATTERY PACK - Disclosed is a charging method for one or more non-aqueous electrolyte secondary batteries by n steps of constant-current charging processes, where n is an integer equal to or greater than 2. The n steps include: (1) charging the secondary batteries at a current Ic(k) until a charge voltage per one battery reaches a voltage Ec(k), where k is an integer equal to or greater than 1 and equal to or smaller than n−1; and (2) when the charge voltage per one battery reaches the voltage Ec(k), charging the secondary batteries at a current Ic(k+1) smaller than the current Ic(k) until the charge voltage per one battery reaches a voltage Ec(k+1) higher than the voltage Ec(k), in which (3) the currents Ic(k) and Ic(k+1) are set according to frequency of use or number of charge and discharge cycles of the secondary batteries. | 2013-12-19 |
20130335035 | Charger External Power Device gain Sampling - A power management unit accurately measures and controls charging current. The power management unit may be implemented more efficiently than prior designs, leading to cost savings in the implementation of the power management unit as well as in the implementation of the device that incorporates the power management unit. The power management unit incorporates a model of an external charge control device (e.g., a transistor) and uses that model in a way that allows the power management unit to eliminate external device pins and other circuitry. | 2013-12-19 |
20130335036 | BALANCE CHARGING DETECTOR - A balance charging detector is configured to detect a balance charging condition for a battery. The balance charging detector includes a controller and a comparing module. The controller is configured to monitor a status of the battery, access battery parameters for the battery that correspond to the status, and generate a group of balance charging parameters based on the battery parameters. The comparing module is configured to set a balance charging flag based on a comparison of the group of balance charging parameters and a set of thresholds. A balance charging signal can be generated if the balance charging flag is set to indicate presence of a condition to perform a balance charging of the battery. | 2013-12-19 |
20130335037 | Apparatus and Method for Displaying State of Terminal - A device and a method are provided. In a terminal capable of at least one of a wireless charging function and a near field communication (NFC) function, the device displays operation states of the functions via an e-skin unit. Wireless charging efficiency, a charging state, and a communication state may be selectively or totally displayed to a user. | 2013-12-19 |
20130335038 | BLEEDING CIRCUIT AND METHOD FOR REDUCING POWER CONSUMPTION OF AN EMI FILTER - A bleeding circuit and method for an electromagnetic interference filter detect whether or not an AC power source connected to the electromagnetic interference filter is removed, establish a discharge path for discharging a capacitor of the electromagnetic interference filter once the connected AC power source is removed, and cut off the discharge path during the AC power source is in connection to the electromagnetic interference filter for decreasing power consumption of the electromagnetic interference filter. | 2013-12-19 |
20130335039 | CONTROL DEVICE AND CONTROL METHOD FOR A VEHICLE AC GENERATOR - The control device including: a power transistor ( | 2013-12-19 |
20130335040 | DRIVE CONTROLLING APPARATUS AND POWER GENERATION CONTROLLING METHOD - In a power generation controlling method, if a first peak of the inverse of the rotation number measured in a first cycle following a plurality of successive cycles is not equal to or lower than a second threshold, it is judged whether or not the first peak is equal to or higher than a third threshold, which is higher than the first threshold. Furthermore, if a second peak of the inverse of the rotation number measured in a second cycle following the first cycle is equal to or lower than a fourth threshold, a target voltage of power generation by a generator a rotating shaft of which is connected to a crank shaft of the four-stroke engine is changed from a normal state voltage to an in-acceleration voltage, which is lower than the normal state voltage. | 2013-12-19 |
20130335041 | POWER CONVERSION APPARATUS AND METHOD OF CONTROLLING THE SAME - A power conversion apparatus including a current source converter configured to convert Alternate Current (AC) power to Direct Current (DC) power; a power controller configured to set a d-axis current command and a q-axis current command, which correspond to the AC power to the current source converter, by reflecting a difference between a measurement DC link voltage measured at an output terminal of the current source converter and a DC link voltage set by a DC link voltage command; and a phase angle controller configured to adjust a phase angle of the current source converter and transmit the adjusted phase angle to the current source converter, in response to the d-axis current command and the q-axis current command. | 2013-12-19 |
20130335042 | Power Converter and Operating Method Thereof - A power converter including a multi-phase output stage, a comparator, and a time calculating unit is disclosed. The multi-phase output stage includes a plurality of channels. The comparator compares a first input signal with a second input signal to provide a setting signal. The time calculating unit adjusts on time duty cycles of the channels with the variation of the load according to the setting signal. When the load becomes larger, the frequency that the comparator provides the setting signal will be increased to cause that the on time duty cycles of the channels are overlapped. | 2013-12-19 |
20130335043 | MULTI-LEVEL VOLTAGE REGULATOR SYSTEM AND METHOD - A multi-level voltage regulator system/method providing discrete regulation of a DC-DC intermediate bus converter (IBC) output voltage (Vout) is disclosed. The disclosed system/method allows IBC Vout to be regulated in discrete steps during periods where IBC input voltage (Vin) falls below nominal operating values. Rather than shutting down or degrading IBC Vout in an unpredictable non-linear fashion based on IBC input/loading, IBC Vout is regulated in fixed discrete steps, allowing IBC-connected point-of-load (POL) converters to obtain stable power input that is well-defined over IBC Vin. IBC operating parameters may define multi-dimensional operational state spaces of IBC Vout regulation that ensure optimum power flow to attached POLs while maintaining operational stability within the IBC regulator. Instabilities in IBC/POL performance across variations in IBC Vin, load transients, POL loading, and environmental variables may be prevented using Vin voltage step hysteresis. | 2013-12-19 |
20130335044 | POWER CONSUMPTION MANAGEMENT USING A SWITCHING VOLTAGE REGULATOR - A power supply circuit ( | 2013-12-19 |
20130335045 | POWER CONVERTER WITH THE FUNCTION OF DIGITAL ERROR CORRECTION - This invention relates to the output voltage regulator of step-down switching power converters. This invention provides regulator with digitally adjusted output voltage. It solves the problem of low regulation due to low error amplifier (EA) gain. This invention is a power converter with the function of Digitally Error Correction, consisting of Logic Control, EA, PWM comparator, Driver, power devices and passive components. It features Digital Calibration Circuit whose input terminal is connected to the output voltage and output terminal is connected to the error signal. When the output voltage exceeds the tolerance range, this Digital Calibration Circuit will increase or decrease the error signal step by step, keeping the output voltage in the tolerance range. The Digital Calibration Circuit of this invention can be applied not only in nanometer scale process, but also in traditional process. For those power converters in traditional process, it is also quite promising in applications. | 2013-12-19 |
20130335046 | DC-DC CONTROLLER AND OPERATION METHOD THEREOF - A DC-DC controller and an operation method thereof are provided. The DC-DC controller is configured to connect an output stage. The DC-DC controller includes a pulse width modulation (PWM) calculation circuit, a load transient detection circuit, and an override time calculation circuit. The PWM calculation circuit provides a PWM signal to the output stage. The load transient detection circuit receives an input signal related to an output voltage of the output stage. The load transient detection circuit provides a control signal according to the input signal and a predetermined input signal. The override time calculation circuit provides an override control signal with a predetermined time to the PWM calculation circuit according to the control signal. The PWM calculation circuit adjusts a duty cycle of the PWM signal according to the override control signal. | 2013-12-19 |
20130335047 | POWER SUPPLY DEVICE, AND VEHICLE-MOUNTED APPARATUS AND VEHICLE USING SAME - A power supply device includes: a control circuit that turns on and off an output transistor to generate an output voltage from an input voltage; an internal power supply voltage generation circuit that generates an internal power supply voltage from an external power supply voltage; and a power switching circuit that switches supply of the internal power supply voltage and supply of the output voltage as a drive voltage of the control circuit. | 2013-12-19 |
20130335048 | Switched Mode Power Supply and Method of Operating Thereof - A switched mode power supply includes a first switch, a second switch, an inductor, an output capacitor, and a driving circuit for driving the first switch and the second switch. The driving circuit is electrically coupled to a node between the first and second switches. | 2013-12-19 |
20130335049 | PULSE WIDTH MODULATION BASED CONTROLLER - A control circuit adjusts the duty cycle of a PWM control signal. An analog processing component within the control circuit receives an analog feedback input signal and compares it to an analog reference signal to generate a pre-processed signal. A sigma-delta modulator within the analog processing component generates a quantized signal based on the pre-processed signal. A digital processing component stores a value. The controller then adjusts the duty cycle of the PWM signal to correspond to the value. A clock keeps the system synchronized. | 2013-12-19 |
20130335050 | SWITCHING REGULATOR CONTROL CIRCUIT - In the related art, there is a problem that the condition of a load is monitored in an indirect manner so that an efficiency enhancing effect is not obtained. A switching regulator control circuit includes an oscillator for generating a carrier signal and a transistor drive circuit for driving a switching transistor and a synchronous rectification transistor based on a PWM signal generated based on the carrier signal. The oscillator switches the frequency of the carrier signal based on the direction of a source-drain voltage of the synchronous rectification transistor. | 2013-12-19 |
20130335051 | CONTROL WITH HYSTERESIS OF AN ELECTRONIC DEVICE USING A PULSE-WIDTH MODULATED SIGNAL - A device and switching method for a circuit for generating an output voltage (Vout) via a control signal (CTRL) with two pulse-width modulated states are described. The control signal (CTRL) frequency (Fq) is measured. In order to generate the control signal (CTRL), either a first hysteresis comparator ( | 2013-12-19 |
20130335052 | HIGH SIDE BUCK CONVERTERS AND CONTROL METHODS THEREOF - A high side buck converter includes a high side transistor, a low side transistor, a sensor, a sensing window generator, an error amplifier, a first comparator and an on-time signal generator. The high side and low side transistors are coupled together to form a switch node which is used as the reference ground of the controller. The sensor senses the output voltage and generates a sensing signal. The sensing window generator generates a sensing window signal. The error amplifier amplifies the error between a feedback signal of the sensing signal and a reference signal during the sensing window, and generates an error signal. The first comparator compares the feedback signal with the error signal and generates a first comparison signal. The on-time signal generator generates an on-time signal based on the first comparison signal, so as to control the high side and low side transistors. | 2013-12-19 |
20130335053 | PARTIAL ARBITRARY MATRIX TOPOLOGY (PMAT) AND GENERAL TRANSPOSED SERIAL-PARALLEL TOPOLOGY (GTSP) CAPACITIVE MATRIX CONVERTERS RELATED APPLICATIONS - A direct current (DC) to DC converter, including: input ports for receiving an input DC voltage; output ports for outputting an output DC voltage; a first matrix of capacitors and switches; a second matrix of capacitors and switches; and a control circuit, coupled to the switches of the first and second matrices, configure d to repetitively: (i) configure the first matrix to a charge configuration and couple the first matrix to the input ports while configuring the second matrix to a discharge configuration and coupling the second matrix to the output ports; (ii) maintain the charge and discharge configurations for a first period of time; (iii) configure the second matrix to the charge configuration and couple the second matrix to the input ports while configuring the first matrix to the discharge configuration and couple the first matrix to the output ports; and (iv) maintain the charge and discharge configurations for a second period of time; | 2013-12-19 |
20130335054 | Synchronous Rectifier Timer for Discontinuous Mode DC/DC Converter - A DC-DC converter ( | 2013-12-19 |
20130335055 | System and Method for Boosted Switches - In accordance with an embodiment, a method includes activating a first semiconductor switch having a first switch node coupled to a first input of a bootstrap circuit, a second switch node, and a control node coupled to a first end of a capacitor of the bootstrap circuit. A first end of the capacitor is coupled to the first input of the bootstrap circuit and a second end of the capacitor is set to a first voltage. Next, the first end of the capacitor is decoupled from the first input of the bootstrap circuit, and the second end of the capacitor is set to a second voltage. The control node is boosted to a first activation voltage that turns on the first semiconductor switch. | 2013-12-19 |
20130335056 | Regulator Circuit and RFID Tag Including the Same - One object of the present invention is to provide a regulator circuit with an improved noise margin. In a regulator circuit including a bias circuit generating a reference voltage on the basis of the potential difference between a first power supply terminal and a second power supply terminal, and a voltage regulator outputting a potential to an output terminal on the basis of a reference potential input from the bias circuit, a bypass capacitor is provided between a power supply terminal and a node to which a gate of a transistor included in the bias circuit is connected. | 2013-12-19 |
20130335057 | Electronic device power protection circuitry - A host electronic device may be coupled to an accessory electronic device. During normal operation, the host device may supply the accessory device with power over a power supply line. Back-powering events in which the accessory device delivers power to the host device may be prevented by interposing a protection transistor in the power supply line. A current mirror may be formed using the protection transistor and an additional transistor that produces a sense current proportional to the amount of current that is flowing through the power supply line. A current-to-voltage amplifier may produce a sense voltage that is proportional to the sense current. A bias circuit may be used to bias the sense current through the current mirror. A control circuit may compare the sense voltage to one or more reference voltages and turn off the protection transistor when appropriate to prevent back-powering of the host device. | 2013-12-19 |
20130335058 | Adjusting Voltage Regulator Operating Parameters - Within an electronic device, a voltage regulator powers a load. The voltage regulator has adjustable operating parameters that can be set during operation of the electronic device. The adjustable operating parameters are set or reset in accordance with a state of the electronic device, or a portion thereof having the load, in order to optimize power usage. The state is selectable from at least three predetermined states. Values for the operating parameters are selectable from a plurality of sets of values. Each set of values corresponds to at least one of the predetermined states. | 2013-12-19 |
20130335059 | FULLY INTEGRATED VOLTAGE REGULATORS FOR MULTI-STACK INTEGRATED CIRCUIT ARCHITECTURES - A voltage regulator for one or more dies in a multi-stack integrated circuit includes an inductor located on a die, a voltage controller that is electrically coupled to the inductor and is also located on the die, and a capacitor that is electrically coupled to the inductor and the voltage controller and is also located on the die. The inductor defines an interior space and the voltage controller and the capacitor are located within the interior space of the inductor. The inductor can be a lateral inductor or a through layer via inductor. The multi-stack integrated circuit may have multiple dies. A voltage controller may be electrically coupled to each of the dies, although it may be located on only one of the dies. Alternatively, separate voltage controllers may be electrically coupled to each of the multiple dies and may be located on each of the respective dies. | 2013-12-19 |
20130335060 | MOLECULE SENSING AND IDENTIFICATION - The present disclosure includes devices and methods for spectroscopic identification of molecules. One device includes a topological insulator layer oriented either above or below two metallic contacts and wherein the contacts are oriented such that a voltage can be applied across the contacts and a current-voltage characteristic can be measured. | 2013-12-19 |
20130335061 | Systems and Methods for Monitoring Underground Power Lines - A system for monitoring power in accordance with the present disclosure has a transformer monitoring device that interfaces with two electrical conductors electrically connected to a transformer at a location on a power grid and to measure a first current and a second current through the first electrical conductor and the second electrical conductor, respectively. Further, the transformer monitoring device measures a first voltage and a second voltage associated with the first electrical conductor and the second electrical conductor, respectively, and the transformer monitoring device comprises two separate and distinct current measuring devices integral therewith. Additionally, the system comprises logic that calculates values indicative of power corresponding to the transformer based upon the first current and the first voltage and the second current and the second voltage. | 2013-12-19 |
20130335062 | Power Monitoring System and Method - A system for monitoring power in accordance with the present disclosure has a first transformer monitoring device that interfaces with a first electrical conductor electrically connected to a transformer at a first location on a power grid. The first transformer measures a first current through the first electrical conductor and a first voltage associated with the first electrical conductor. In addition, the system has a second transformer monitoring device that interfaces with a second electrical conductor electrically connected to the transformer. The second transformer measures a second current through the second electrical conductor and a second voltage associated with the second electrical conductor. Further, the system has logic configured to calculate values indicative of power corresponding to the transformer based upon the first current and the first voltage and the second current and the second voltage. | 2013-12-19 |
20130335063 | POSITION ENCODER - Position encoder for measuring a position containing a sensor | 2013-12-19 |
20130335064 | COERCIVE FORCE SPECIFYING APPARATUS - Provided is a coercive-force specifying apparatus capable of creating a demagnetization curve for each divisional area of a coercive-force distributed magnet without breaking the coercive-force distributed magnet and of specifying an average coercive force for each divisional area precisely. A coercive force specifying apparatus of the present invention includes: a yoke including an insertion space into which a coercive-force distributed magnet is to be inserted; a magnetizing coil; a search coil that detects a magnetization change when the magnetic field is applied to the coercive-force distributed magnet; and a tracer that creates a demagnetization curve on a basis of a voltage value generated due to the magnetization change. The end face is provided with two or more loop-shaped thread grooves bored therein, the search coil being provided in each thread groove. The coercive-force distributed magnet includes a divisional area defined so as to correspond to each of the two or more search coils, and a voltage value due to a magnetization change detected by each search coil is transmitted to the tracer for creation of a magnetization curve at a corresponding divisional area as well as for specification of an average coercive force. | 2013-12-19 |
20130335065 | SENSING DEVICE AND RELATED OPERATING METHODS - Apparatus, systems, and methods are provided for sensing devices. An exemplary sensing device includes a sensing arrangement on a substrate to sense a first property, a heating arrangement, and a control system coupled to the first sensing arrangement and the heating arrangement to activate the heating arrangement to heat the first sensing arrangement and deactivate the heating arrangement while obtaining one or more measurement values for the first property from the first sensing arrangement. | 2013-12-19 |
20130335066 | Circuits and Methods for Generating a Diagnostic Mode of Operation in a Magnetic Field Sensor - A magnetic field sensor includes a diagnostic circuit that allows a self-test of most of, or all of, the circuitry of the magnetic field sensor, including a self-test of a magnetic field sensing element used within the magnetic field sensor. The magnetic field sensor can generate a diagnostic magnetic field to which the magnetic field sensor is responsive. | 2013-12-19 |
20130335067 | Magnetic Field Sensors And Related Techniques That Can Provide An Output Signal Capable Of Being Diagnosed - Magnetic field sensor and related techniques can identify passing conditions, failing conditions, and marginal conditions of a sensed object. The magnetic field sensor and techniques can use one or more peak values of a proximity signal representative of proximity of the object, DC offset values of the proximity signal, or threshold values related to an amplitude of a signal representative of the proximity signal to identify the conditions. | 2013-12-19 |
20130335068 | Magnetic Field Sensors And Related Techniques That Can Provide A Self-Test Using Signals And Related Thresholds - Magnetic field sensor and related techniques can identify passing conditions, failing conditions, and marginal conditions of a sensed object. The magnetic field sensor and techniques can use one or more peak values of a proximity signal representative of proximity of the object, DC offset values of the proximity signal, or threshold values related to an amplitude of a signal representative of the proximity signal to identify the conditions. | 2013-12-19 |
20130335069 | Magnetic Field Sensors and Related Techniques That Can Provide Self-Test Information in a Formatted Output Signal - A magnetic field sensor can provide an output signal indicative of a passing condition or a failing condition of the magnetic field sensor. The output signal has one of a variety of output signal formats. | 2013-12-19 |
20130335070 | ROTATION ANGLE SENSOR - A rotation angle sensor outputs detection signals based on a rotation angle of a rotary shaft. The detection signals that are output from the rotation angle sensor include first to fourth detection signals that sinusoidally change with the rotation angle of the rotary shaft and that are different in phase from one another. Here, a phase difference between the first detection signal and the second detection signal and a phase difference between the third detection signal and the fourth detection signal are each set to 90°. In addition, a phase difference between the first detection signal and the third detection signal and a phase difference between the second detection signal and the fourth detection signal are each set to 45°. | 2013-12-19 |
20130335071 | METHOD OF SCALE SUBSTRATE MANUFACTURE - The present invention relates to a method for producing a magnetic substrate for an encoder scale. The method comprising the step of mechanically working the substrate, wherein the substrate is cooled prior to the mechanical working step. In one embodiment, a stainless steel substrate is used. The stainless steel may comprise an austenite (non-magnetic) phase and a martensite (magnetic) phase. Mechanically working and cooling in this manner increases the amount of magnetic (martensite) phase material that is formed, thereby improving the magnetic contrast when non-magnetic (austenite) marking are subsequently formed on the substrate by laser marking. | 2013-12-19 |
20130335072 | STEERING TORQUE ANGLE SENSOR HAVING A PROCESSOR AND A MAGNETO-RESISTIVE ELEMENT CONFIGURED IN A MONOLITHIC ARCHITECTURE - An electronic device for measuring a magnetic field angle within a vehicle steering assembly. The electronic device includes a semiconductor die having a perimeter, a magneto-resistive sensing element formed in the die and located near the perimeter of the semiconductor die, and a processing circuit formed in the die. The processing circuit is electrically connected to the magneto-resistive sensing element and is configured to generate a signal indicative of at least one of magnetic field angle and a steering torque. A non-conductive material encapsulates the semiconductor die. Electrical connectors are electrically connected to the die and pass through the non-conductive material encapsulating the semiconductor die. The electrical connectors are configured to be electrically connected to a printed circuit board. The semiconductor die is located near the perimeter of the package to position the magneto-resistive sensing element near the perimeter of the package. | 2013-12-19 |
20130335073 | Full-Bridge Magnetoresistive Rotation Sensors and Mass Fabrication Method - A single package magnetoresistive angle sensor for use in measuring rotation angle of a magnet is disclosed. The magnetoresistive angle sensor comprises a pair of magnetoresistive sensor chips, wherein one of the chips is rotated by 180-degree rotation relative to the other. The magnetoresistive sensor chips are attached to a standard semiconductor package lead frame to form a single-axis push-pull full-bridge sensor. Each of the magnetoresistive sensor chips comprises a pair of magnetoresistance sensor arms. Each magnetoresistive sensor arm comprises one or more GMR or MTJ sensor elements. The GMR of MTR sensor elements utilize a pined layer. The element blocks of the magnetoresistive sensor electrically are interconnected and connected to the package leads by wirebonding. The magnetoresistive angle sensor can be packaged into various standard semiconductor package designs. Also, provided is a dual-axis push-pull full-bridge magnetoresistive angle sensor comprised of two pairs of magnetoresistive sensor chips. | 2013-12-19 |
20130335074 | Magnetic Field Sensors and Related Techniques That Can Provide Self-Test Information - Magnetic field sensor and related techniques can identify passing conditions, failing conditions, and marginal conditions of a sensed object. The magnetic field sensor and techniques can use one or more peak values of a proximity signal representative of proximity of the object, DC offset values of the proximity signal, or threshold values related to an amplitude of a signal representative of the proximity signal to identify the conditions. | 2013-12-19 |
20130335075 | SEAL SYSTEM AND METHOD FOR SYSTEM PROBE - A system includes a probe assembly having sensing circuitry configured to sense at least one parameter relating to a rotating machine and a cable coupled to the sensing circuitry. The probe assembly also includes a molded probe body that is integrally molded about the cable and the sensing circuitry and a machined groove disposed on the molded probe body. The machined groove includes a machined surface. | 2013-12-19 |
20130335076 | CURRENT SENSOR - A current sensor to be provided in a current path through which current flows includes a housing, a substrate accommodated in the housing, a plurality of magnetic detection elements mounted on the substrate, and a pair of shields respectively disposed on both sides of each magnetic detection element. The shields are accommodated in the housing so as to surround the current path on both sides of the current path and the shields are held so that respective end portions of the shields have a predetermined interval. The magnetic detection elements and the shields are disposed in each phase current path for three-phase AC. | 2013-12-19 |
20130335077 | TEST OF A REORDERING ALGORITHM OF A SPIN ECHO MAGNETIC RESONANCE PULSE SEQUENCE - A test method for a reordering algorithm of a 3D spin echo magnetic resonance pulse sequence is provided, in which echo train positions are checked for at least two k-space elements. Further, a non-transitory computer readable medium and a magnetic resonance tomography system which comprises a test device for testing a reordering algorithm of a 3D spin echo magnetic resonance pulse sequence featuring a checking module for checking the echo train position for at least two k-space elements are provided. | 2013-12-19 |
20130335078 | METHOD FOR PREDICTING RESISTANCE TO HEAT DETERIORATION OF ISOPRENE RUBBER - A method for predicting the resistance to heat deterioration of a sulfur-vulcanized isoprene rubber is disclosed. The nuclear magnetic resonance spectrum of the isoprene rubber is obtained by the use of a solid state nuclear magnetic resonance method employing magic angle spinning. The spectrum of a cross-linked structure α and the spectrum of a cross-linked structure β in the nuclear magnetic resonance spectrum are identified. The percentage of the cross-linked structure α and the percentage of the cross-linked structure β in the overall cross-linked structures of the sulfur are computed from the spectrum. From the computed percentages, the resistance to heat deterioration of the isoprene rubber is predicted. | 2013-12-19 |
20130335079 | NUCLEAR MAGNETIC RESONANCE PROBE HEAD AND METHOD WITH MULTI-FUNCTIONAL SAMPLE ROTATION - Multi-functional sample rotation extends function of the MAS beyond suppression of the line-broadening. It is achieved with pivotal or axial displacement of the rotor. Specific embodiments are defined by methods for spin-distance or particle size measurements and efficient high-resolution DNP. | 2013-12-19 |
20130335080 | RESONANCE IMAGING APPARATUS AND DIFFUSION WEIGHTED IMAGE ACQUIRING METHOD THEREOF - A magnetic resonance imaging apparatus and a diffusion-weighted image acquiring method form a radial k-space through a radial sampling and acquire a diffusion-weighted image from the radial k-space, with the diffusion-weighted image acquiring including receiving an echo signal generated from the subject, and forming a k-space having a plurality of sampling lines by sampling the echo signal that is received, wherein the directions of the diffusion gradient magnetic fields applied at the time of forming the sampling lines that compose the k-space to cross each other at two adjacent sampling lines. | 2013-12-19 |
20130335081 | SAMPLE HOLDER FOR USE IN NMR - A pressurizable holder for a sample to be examined by NMR, comprises a pressure retaining nonmagnetic tube surrounding a radio-frequency coil which in turn surrounds a space for the sample. The pressure retaining tube is formed of (i) nonmetallic electrically insulating material such as a ceramic or (ii) nonmetallic electrically insulating matrix material reinforced with electrically insulating filaments such as glass fiber, or (iii) non-metallic electrically insulating matrix material reinforced with electrically conductive filaments configured so that conductivity is anisotropic. There is good coil filling factor without constraint on wall thickness of the pressure retaining tube. Avoidance of isotropically conductive material inhibits eddy currents when an NMR spectrometer's magnetic field gradient coils are switched on and off. The tube resists hoop stress from internal pressure. Longitudinal stress is resisted by structure connecting end pieces at the ends of the pressure retaining tube. | 2013-12-19 |
20130335082 | METHOD AND MAGNETIC RESONANCE SYSTEM TO ACQUIRE MR DATA IN A PREDETERMINED VOLUME SEGMENT - In a method and magnetic resonance (MR) system to acquire MR data in a predetermined volume segment of an examination subject, the data are acquired with at least one echo train that includes at least two signal echoes. The same number of echoes is acquired for each echo train of the at least one echo train, with this number of echoes corresponding to an echo train length. The total number of echoes that are required to acquire the MR data and the echo train length is adapted so that the total number corresponds to a whole number multiple of the echo train length. | 2013-12-19 |
20130335083 | SYSTEM AND METHOD FOR MAGNETIC RESONANCE IMAGING OF INTRACRANIAL VESSEL WALLS - A magnetic resonance imaging (MRI) system for intracranial vessel wall imaging. The MRI system includes a radio frequency (RF) coil system to irradiate radio frequency (RF) pulses into a region of interest and detect a plurality of RF response signals, and a signal processing unit adapted to analyze the plurality of RF response signals. The RF coil system arranges the RF pulses in a pulse sequence including an excitation pulse and refocusing pulses which induce corresponding flip angles. A minimum flip angle is in the range of 30 degrees to 65 degrees, and a maximum flip angle is in the range of 100 degrees to 150 degrees. The signal processing unit analyzes the RF response signals with a three-dimensional isotropic resolution of 500 cubic microns or less and orders the RF response signals in k-space to enhance contrast between intracranial vessel wall tissue and cerebrospinal fluid or blood. | 2013-12-19 |
20130335084 | Cooling System for Magnetic Resonance Imaging Device Having Reduced Noise and Vibration - A conduit for the transfer of a cooling medium is provided that may include a tube that has a length and a through aperture that extends through the entire length. The tube may have an inner surface that defines a helical channel that may be continuous along a length of the tube such that the helical channel is continuous along a plurality of turns of the helical channel along the inner surface. The conduit may be incorporated into a cooling system of a magnetic resonance imaging device. | 2013-12-19 |
20130335085 | VIBRATION TYPE DRIVE DEVICE, MEDICAL APPARATUS, AND MEDICAL SYSTEM - One aspect of the invention relates to a vibration type drive device including: a mechanical energy application element; a resilient member provided with the mechanical energy application element; a driven member subjected to a relative displacement with respect to the resilient member due to a vibration excited by the resilient member, wherein the resilient member includes a conductive material, and does not constitute an electric closed loop. | 2013-12-19 |
20130335086 | DISTRIBUTED CAPACITANCE RADIO FREQUNCY (RF) COIL AND MAGNETIC RESONANCE IMAGING SYSTEM INCLUDING THE SAME - A radio frequency (RF) birdcage coil includes a first distributed capacitance end ring, a second distributed capacitance end ring, and a plurality of rungs connected between the first and second end rings, wherein at least one of the first and second distributed capacitance end rings includes a substrate having a first side and a second side, a first plurality of conductors formed on the first side, a second plurality of conductors formed on the second side, and an insulating material deposited on the first side such that the insulating material substantially covers the first plurality of conductors. | 2013-12-19 |
20130335087 | RADIO FREQUNCY (RF) BODY COIL AND METHOD FOR TUNING AN RF BODY COIL FOR MAGNETIC RESONANCE IMAGING - A radio frequency (RF) body coil includes a first end ring, a second end ring, a plurality of rungs connected between the first and second end rings, at least one shim holder coupled to the first end ring, and a RF shim configured to be at least partially inserted within the shim holder, the RF shim being repositionable within the shim holder to vary an operational frequency of the RF body coil. A magnetic resonance imaging system and a method of tuning the RF body coil are also described. | 2013-12-19 |
20130335088 | GRADIENT COIL DEVICE AND MAGNETIC RESONANCE IMAGING DEVICE - A gradient coil device includes a major axis gradient coil, having an ellipse in a cross section generating a gradient magnetic field inclined in a major axis direction of the ellipse at a magnetic field space; and a minor axis gradient coil, having an ellipse in a cross section generating a gradient magnetic field inclined in a minor axis direction of the ellipse at the magnetic field space. A length of the minor axis field coil in the center axis direction is shorter than a length of the major axis gradient coil in the center axis direction. A maximum value of a residual magnetic field generated by the minor axis gradient coil at a space outside the magnetic field space is equal to or smaller than a maximum value of a residual magnetic field generated by the major axis gradient coil at a space outside the magnetic field space. | 2013-12-19 |
20130335089 | THREE DIMENSIONAL ANTENNA SYSTEM FOR MEASURING OSCILLATORY ELECTRIC FIELD STRENGTHS - A new three dimensional dipole based antenna system is described used to measure oscillatory electric field strengths. The antenna system is connected to an object (a survey platform) that is stationary or moving in an area of interest in air, over land, on water or under water. This invention aims to reduce the influence of noise sources on electric field strength measurements. Such measurements are generally collected as part of prospecting surveys for minerals or hydrocarbons. | 2013-12-19 |
20130335090 | MILD STEEL DIPOLE ANTENNA SYSTEM FOR MEASURING OSCILLATORY ELECTRIC AND MAGNETIC FIELD STRENGTHS - A one dimensional dipole based antenna system is described used to measure oscillatory electric and magnetic field strengths and the rate of change of the magnetic field strength. The system relies on paramagnetic mild steel for selected dipole system components to decrease the sensitivity to high frequency oscillatory magnetic signals progressively above a certain frequency in the range of | 2013-12-19 |