12th week of 2012 patent applcation highlights part 19 |
Patent application number | Title | Published |
20120068612 | RECEPTACLE COVER - A cover for an electrical receptacle including a faceplate. The cover also includes a first transmission tab configured to be electrically connected to a first power line of the electrical receptacle and a second transmission tab configured to be electrically connected to a second power line of the electrical receptacle. Additionally, the cover includes a device (such as a light source, circuit, port, or sensor) in communication with the first transmission tab and the second transmission tab. | 2012-03-22 |
20120068613 | MOTION DETECTOR NIGHT LIGHT FOR TOILET BOWL - A light assembly for a toilet, that is movement responsive, so that when a person enters the bathroom, and walks near the toilet, a motion detector will sense their presence, and activate lights. The light may be one or more LED's contained in a water resistant enclosure, such as a plastic material, and placed inside the upper rim of the toilet bowl. | 2012-03-22 |
20120068614 | Transmitting and Receiving Digital and Analog Signals across an Isolator - Various embodiments of systems for transmitting and receiving digital and analog signals across a single isolator, solid state lighting systems, and DC/DC converter feedback regulation control systems are disclosed. At least some of the circuits, systems and methods disclosed herein may be implemented using conventional CMOS design and manufacturing techniques and processes to provide, for example, a single integrated circuit or ASIC. | 2012-03-22 |
20120068615 | System and Method for Color Mixing Lens Array - Embodiments described herein provide optical systems that can mix colors to produce illumination patterns having a large area with uniform color. One embodiment of an optical system can include a set of optical units that each produces an illumination pattern with uniform color and intensity. The optical units are spaced so that the individual illumination patterns overlap to create an overall illumination pattern with an overlap area. In the overlap area, the colors emitted by the individual optical units mix to create a desired color. Embodiments of optical systems can provide beam control so that the optical units emit a high percentage of light in beam. | 2012-03-22 |
20120068616 | LED DRIVE CIRCUIT - An object of the invention is to provide an LED drive circuit that can suppress the generation of harmonic noise. The LED drive circuit includes a rectifying circuit an LED array, and a current supply circuit which includes a capacitor and a time constant adjusting element, wherein the discharge time constant of the current supply circuit is set longer than the charge time constant of the current supply circuit, and wherein during a period of time when the magnitude of AC commercial power supply voltage is larger than the light emission threshold of the LED array, current to the light-emitting circuit is supplied mostly from the rectifying circuit, and during a period of time when the magnitude of AC commercial power supply voltage is not larger than the light emission threshold of the LED array, current to the light-emitting circuit is supplied from the current supply circuit. | 2012-03-22 |
20120068617 | LED DRIVE CIRCUIT, LED ILLUMINATION COMPONENT, LED ILLUMINATION DEVICE, AND LED ILLUMINATION SYSTEM - An LED drive circuit is provided that is connectable to a phase-control light controller and drives an LED load by use of a voltage obtained by rectifying a phase-controlled alternating current voltage inputted from the phase-control light controller. The LED drive circuit includes: a first phase angle detection portion that detects a phase angle in a present cycle; a second phase angle detection portion that detects a phase angle in a cycle preceding the present cycle by at least one cycle; a bias portion that generates a detection signal by adding a predetermined delay time to a phase angle obtained by averaging the phase angle detected by the first phase angle detection portion and the phase angle detected by the second phase angle detection portion; and a drive portion that starts current supply to the LED load at timing based on the detection signal generated by the bias portion. | 2012-03-22 |
20120068618 | COMMUNICATION WITH LIGHTING UNITS OVER A POWER BUS - A first entity communicates with a second entity over a shared power bus by switching the bus to a high-impedance state and modifying the voltage on the power bus, in accordance with an outgoing communication, such that the modified voltage is detected by the second entity and the communication is received thereto. | 2012-03-22 |
20120068619 | DEVICE FOR CONTROLLING CURRENT OF LED - Disclosed herein is a device for controlling current of an LED including a constant current generator, a current mirror, and a current amplifier, the device controlling current of an LED, comprising: a selector outputting an L signal or an H signal according to an input control signal; and a current changing unit formed by connecting at least one switching unit in parallel, the switching unit including a transistor and a switch connected to the transistor in series. The device for controlling current of an LED adjusts current supplied to the current amplifier using a SEL input without an effect of a noise, thereby making it possible to change the current of the LED without separately changing a resistor. | 2012-03-22 |
20120068620 | DC-DRIVEN ELECTROLUMINESCENCE DEVICE AND LIGHT EMISSION METHOD - An inorganic electroluminescence device has a structure including a phosphor layer sandwiched between a first electrode and a second electrode; and a semiconductor structure in which N-type semiconductors and a P-type semiconductor, made of inorganic semiconductor materials, are joined to form an NPN type structure. The phosphor is made of an inorganic substance. The first electrode is to be a cathode and is formed on an insulating glass substrate. The second electrode is to be an anode and is disposed opposite the first electrode. The semiconductor structure is disposed between the cathode that is the first electrode and the phosphor layer. | 2012-03-22 |
20120068621 | LED Light Source Utilizing Magnetic Attachment - A light module include and method for using the same are disclosed. The light module includes a heat-conducting structure and a plurality of LEDs bonded to a head conducting structure. The LEDs are to a first surface of the heat-conducting structure and are mounted on the heat-conducting structure such that at least 50 percent of the heat generated by the LEDs is transferred to the heat-conducting structure. The heat-conducting structure includes a ferromagnetic material and is structure such that the heat-conducting structure bonds magnetically to a heat-dissipating structure with sufficient force to support the light module during the normal operation thereof when the light source is placed against the heat-dissipating structure. The present invention can be utilized for retro-fitting an existing light fixture having an enclosure that includes a ferromagnetic material and plurality of legacy light sources. | 2012-03-22 |
20120068622 | Flexible Distributed LED-Based Light Source and Method for Making the Same - A precursor structure for fabricating light sources, the light sources fabricated therefrom, and the method of fabricating the precursor structure are disclosed. A precursor substrate includes a flexible printed circuit board on which dies are bonded and a separation ridge. The flexible printed circuit board has a bottom heat-conducting layer, an insulating layer, and a circuit layer. The insulating layer and the circuit layer include a plurality of openings that expose the top surface of the heat-conducting layer. The separation ridge extends above the circuit layer and the dies and is configured to prevent contact with the dies and any structures constructed above the dies when the precursor substrate is in contact with a surface positioned over the die and in contact with the separation ridge. The structure is well suited for roll-to-roll processing equipment. | 2012-03-22 |
20120068623 | ELECTRICAL WIRING DEVICE - The present invention is directed to an electrical wiring device that includes a lighting assembly module disposed in the housing assembly and coupled to a set of line terminals, the lighting assembly includes at least one light emitting device. An ambient light sensor is disposed in the housing assembly and substantially optically decoupled from the lighting assembly, the ambient light sensor provides an electrical sensor signal corresponding to an ambient light level at or proximate to the ambient light sensor. A rechargeable electrical storage device is coupled to the set of line terminals, the rechargeable electrical storage device being charged by the source of AC power to a predetermined voltage threshold. A control circuit is coupled to the set of line terminals, the lighting assembly module and the ambient light sensor. The control circuit is configured to provide a modulated lighting control signal to the lighting assembly module when AC power is being provided by the source of AC power, the modulated lighting control signal being a function of the AC power and the electrical sensor signal, the modulated lighting control signal being configured to adjust an intensity of the light emitted by the at least one light emitting device such that the intensity is a function of the ambient light level. The control circuit is further configured to provide a second lighting control signal configured to turn the lighting assembly ON at a predetermined intensity for a predetermined period of time when AC power is not being provided by the source of AC power, the second lighting control signal being provided by the rechargeable electrical storage device. | 2012-03-22 |
20120068624 | LIGHTING DEVICE WITH MULTI-POSITION JOYSTICK - Various lighting devices and related methods are provided. In one example, a portable lighting device includes a light source, lighting control circuitry, a body, and a tailcap assembly attached to an end of the body. The tailcap assembly includes a multi-position joystick adapted to pivot relative to the body in response to lateral pressure and move vertically relative to the body in response to vertical pressure. The tailcap assembly also includes switches adapted to provide signals to the lighting control circuitry in response to pivot movement and vertical movement of the joystick. The lighting control circuitry is adapted to operate the light source in response to the signals. | 2012-03-22 |
20120068625 | LIGHTING DEVICE WITH MULTIPLE ELECTRICAL CONNECTIONS - Various lighting devices and related methods are provided. In one example, a portable lighting device includes a light source, lighting control circuitry, first and second power terminals adapted to receive a battery power source, first and second electrical connections between the lighting control circuitry and the first and second power terminals, a third electrical connection between the second power terminal and the lighting control circuitry, and a switch adapted to selectively connect and disconnect the third electrical connection. The lighting control circuitry is adapted to operate the light source in response to a signal received over the third electrical connection in response to the switch. The first and second electrical connections are adapted to provide constant power to the lighting control circuitry while the battery power source is connected to the first and second power terminals regardless of operation of the switch. | 2012-03-22 |
20120068626 | Auto-Sensing Switching Regulator to Drive A Light Source Through A Current Regulator - An auto-sensing switching regulator, and systems and methods including same, is disclosed. The auto-sensing switching regulator includes a switching regulator and a controller coupled thereto. The controller is configured to provide a control signal to the switching regulator to increase the output voltage while receiving a current sense signal representative of a current output of the switching regulator, and to provide the control signal in response to the current sense signal to set the output voltage at a set value corresponding to a value at which the current output stops increasing with an increase in the output voltage. A system to drive a light source includes a current regulator configured to provide a constant current output to the light source and an auto-sensing switching regulator coupled to the current regulator, and configured to receive an input voltage from a voltage supply and provide an output voltage to the current regulator. | 2012-03-22 |
20120068627 | TEMPERATURE COMPENSATED LED CONSTANT CURRENT SOURCE - A device and method for providing a temperature compensated LED constant current source. A positive temperature coefficient (PTC) resistor is utilized to reduce the current being supplied through a driver circuit to an LED lighting element under varying environmental conditions. The PTC resistor prevents the LED elements from overheating due to excessive ambient temperature, improper thermal design or excessive voltage. A voltage regulator may be included to linearize the temperature vs. resistance characteristics of the PTC resistor. | 2012-03-22 |
20120068628 | DISPLAY DEVICE - According to one embodiment, a display device in which one display screen is formed by a plurality of one-dimensional device structures is disclosed. Each of the one-dimensional device structures includes a pixel array including a plurality of pixels arranged linearly, a first driving line group configured to drive the pixel array, a plurality of inter-pixel circuits arranged between a first pixel and a second pixel of the plurality of pixels to perform a sequential operation from the first pixel to the second pixel, and a second driving line group configured to drive the inter-pixel circuits. | 2012-03-22 |
20120068629 | External Illumination Apparatus For Optical Information Reading Apparatus - There is provided an external illumination apparatus capable of increasing flexibility of illumination, the external illumination apparatus including a CPU and a memory so as to control lighting of a plurality of illumination LEDs with reference to a lighting pattern stored in the memory, wherein this lighting control is executed by a lighting command from an optical information reading apparatus. | 2012-03-22 |
20120068630 | LIGHT SOURCE, WAVELENGHT CONVERSION METHOD, WAVELENGHT CONVERSION DEVICE, AND SYSTEM FOR LIGHT SOURCE - A light source device includes a light emitting element and a wavelength conversion device. The wavelength conversion device includes a stationary member, a moveable carrier made of a transparent material carrying one or more wavelength conversion materials and moveable relative to the stationary member, and a stationary first filter. The first filter is fixed on the stationary member and disposed adjacent the moveable carrier. The excitation light from the light emitting element passes through the first filter and illuminates the wavelength conversion materials on the moveable carrier. The wavelength conversion materials convert the excitation light into converted light as the output of the light source device. The size of the first filter is smaller than the size of the moveable carrier and smaller than a carrying area of the moveable carrier that carries the wavelength conversion material. A wavelength conversion method using the wavelength conversion device is also described. | 2012-03-22 |
20120068631 | CHARGED PARTICLE BEAM RADIATION CONTROL DEVICE AND CHARGED PARTICLE BEAM RADIATION METHOD - Provided is a charged particle beam radiation control device that controls radiation of a charged particle beam, the charged particle beam radiation control device including: a controller which controls an acceleration voltage for accelerating charged particles, wherein the controller includes a set acceleration voltage controller which selects a non-radiation state of a charged particle beam by setting an acceleration voltage of a radiation state of the charged particle beam to a reference acceleration voltage and changing the acceleration voltage to a set acceleration voltage larger or smaller than the reference acceleration voltage. | 2012-03-22 |
20120068632 | Cascade Accelerator - A cascade accelerator ( | 2012-03-22 |
20120068633 | VARIABLE SPEED SWITCH AND ELECTRIC POWER TOOL WITH THE VARIABLE SPEED SWITCH MOUNTED THERETO - A variable speed switch includes a switch main body portion which is accommodated in a housing of an electric power tool and mounted to the housing so as to be capable of relative movement, and a load sensor which is provided in the switch main body portion and capable of outputting an electric signal in proportion to the amount of distortion caused by a pressing force. The switch operating portion is mounted on the surface of the housing so as to be capable of relative displacement with respect to the housing and transmits a pressing force applied to the switch operating portion to the load sensor, with the maximum displacement amount of the switch operating portion being set to equal to or less than 5 mm. | 2012-03-22 |
20120068634 | METHOD FOR OPERATING AN ELECTRIC APPLIANCE AND ELECTRIC APPLIANCE - An electrical appliance with a resonant motor for driving a vibratory component is provided that has a control unit for driving the resonant motor with a predetermined driving frequency and for measuring the motion-induced voltage of the resonant motor and for determining whether the measured voltage value coincides with a predetermined target voltage value or whether the measured voltage value has crossed over the predetermined target value. The control unit measures the motion-induced voltage at a predetermined time of measurement (t | 2012-03-22 |
20120068635 | Linear Actuator and a Table Comprising a Linear Actuator as well as a Motor for the Linear Actuator - An embodiment linear actuator for an electrically adjustable piece of furniture includes a brushless DC motor arranged to effect a linear movement of the linear actuator, as well as a control device for controlling the motor. | 2012-03-22 |
20120068636 | MOTOR DRIVING APPARATUS - When the output of motor reaches or exceeds a predetermined value during acceleration of the motor, the control target value of the DC link voltage which is the voltage of a power storage device is gradually lowered in corresponding relationship to the motor output. When the motor enters a constant speed control mode, the DC link control target value is maintained at a constant level. When the motor enters a deceleration control mode, the DC link control target value is gradually raised in corresponding relationship to the motor output, and regenerative power is recovered by the power storage device and reused in the next control cycle. | 2012-03-22 |
20120068637 | MOTOR DRIVING APPARATUS - During motor acceleration control period that starts at time T | 2012-03-22 |
20120068638 | METHOD AND AMPLIFIER FOR OPERATING A SYNCHRONOUS MOTOR - A method for operating a synchronous motor wherein a magnetic field is generated by a first motor component in a predetermined orientation, the method including generating a relative movement between the first and a second motor component limited to a predetermined value, and determining a direction of the relative movement, wherein the generating and determining are repeated until a change in the direction of the relative movement occurs, wherein a magnetic field having a changed orientation with regard to a previously generated magnetic field is generated by the first motor component, and wherein the orientation of the magnetic field with the changed orientation is changed by a predetermined orientation section and depending on the determined direction of the relative movement. The invention encompasses an amplifier for operating a synchronous motor and a system including an amplifier and a synchronous motor. | 2012-03-22 |
20120068639 | ELECTRIC MOTOR CONTROL DEVICE - An electric motor control device includes a control section adapted to control supply of a drive current to an electric motor, and a rotational speed detection section adapted to detect a rotational speed of the electric motor, the drive current includes a d-axis current and a q-axis current, and the control section calculates a q-axis current command value based on a torque command value to the electric motor, calculates a d-axis current command value using a difference between the rotational speed of the electric motor and a previously determined base rotational speed of the electric motor, and the q-axis current command value, and performs vector control on the electric motor using the d-axis current command value and the q-axis current command value. | 2012-03-22 |
20120068640 | FLUX OFFSET COMPENSATION FOR A ROTATING ELECTRICAL MACHINE - A method is provided for compensating the flux drift caused by measurement and/or calculation errors when controlling a rotating electrical machine. The flux drift of the estimated flux vector may be compensated for by comparing the length of the flux vector with a reference flux magnitude which already has been determined for controlling the inverter. Depending on the comparison, the length of the estimated flux vector may be lengthened or shortened. | 2012-03-22 |
20120068641 | CONTROL DEVICE FOR ELECTRIC ROTATING MACHINE - A control device has a predicting unit for predicting a first current flowing through a motor in a next control period, at a predicting time during a predetermined period after a change of switching state in an inverter by using a current detected before the change and for predicting a second current of a control period later than the next control period by one control period by using the predicted first current, a determining unit for determining a next operating state of the inverter by using the predicted second current and an instructed value so as to reduce a change of switching state in the change of the operating state, and a control unit for controlling the inverter to be set in the determined operating state in the next control period and controlling the current of the motor depending on the operating state of the inverter. | 2012-03-22 |
20120068642 | SINGLE PHASE DC BRUSHLESS MOTOR CONTROLLER AND METHOD FOR CONTROLLING ROTATION SPEED AND DIRECTION OF SINGLE PHASE DC BRUSHLESS MOTOR - A single phase DC brushless motor controller, including: a micro control unit including: a Pulse Width Modulation (PWM) pin for receiving a PWM signal from a system; and a commutation logic unit for controlling the speed and rotation of a single phase DC brushless motor according to the PWM signal. | 2012-03-22 |
20120068643 | Motor driving device - A motor driving device driving coil terminals of a three-phase motor to flow three-phase currents includes: a pulse modulator generating three-phase modulation pulses, each of which has a duty ratio in accordance with a voltage level of a coil terminal; a shift amount selection unit selecting a first shift amount corresponding to at least one of two predetermined amounts according to a pulse width of the longest pulse among the three-phase modulation pulses; a first shift unit shifting the second-longest pulse among the three-phase modulation pulses backward by the first shift amount to delay timing; a second shift unit shifting the third-longest pulse among the three-phase modulation pulses backward by a predetermined second shift amount to delay timing; and an inverter driving each of the coil terminals by switching a driving power supply with the three-phase modulation pulses by reflecting shift results of the first and second shift units. | 2012-03-22 |
20120068644 | CONTROL APPARATUS FOR ROTARY ELECTRIC MACHINES - A control apparatus for a rotary electric machine has a DC-AC converting circuit with high- and low-potential-side switching elements to compose an inverter. In this apparatus, a connecting/disconnecting circuit is arranged to be electrically opened and closed between the DC-AC converting circuit and a power supply. A determining member determines whether or not the high-potential-side and low-potential-side switching elements have a malfunction. A failsafe performing element opens the connecting/disconnecting circuit and turns on both the high-potential-side and low-potential-side switching elements residing in a part of the inverter, when it is determined that there is caused a malfunction in the switching elements. The turned-on high-potential-side and low-potential-side switching elements realizes a short-circuit state therein. | 2012-03-22 |
20120068645 | CONTROL APPARATUS FOR ROTARY ELECTRIC MACHINES - In a control apparatus for a rotary electric machine receiving power from a DC power supply, a DC-AC converting circuit is provided with serially connected circuits each having high-potential-side and low-potential-side switching elements. When a short-circuit occurs at the switching elements, all the switching elements are turned OFF for failsafe and a path connecting the machine and the battery is opened. In such a case, a switching element belonging to part of the switching elements is turned ON, with potential at all the terminals of the rotary electric machine being the same. A location of the short-circuit occurs is identified, based on changes in current passing through the machine and being detected in response to turning ON the switching element. The changes are at least one of a reduction change in deviation of the current from a zero point and a reduction change in an absolute value of the current. | 2012-03-22 |
20120068646 | CONTROL DEVICE FOR CONVERTER AND ELECTRICALLY POWERED VEHICLE PROVIDED WITH THE SAME - A voltage control operation unit receives, from a subtraction unit, a value obtained by subtracting a detection value of a voltage from a voltage command value, and performs a control operation for setting the voltage to be equal to the voltage command value. The voltage control operation unit outputs the calculated control amount as a current command value. A current control operation unit receives, from a subtraction unit, a value obtained by subtracting a detection value of a current from a current command value, and performs a control operation for setting the current to be equal to the current command value. A driving signal generation unit generates a signal for driving a boost converter based on a duty command value received from the current control operation unit. | 2012-03-22 |
20120068647 | MOTOR DRIVE CIRCUIT - A motor-drive circuit includes: H-bridge circuits in a pair each including first-source and first-sink transistors, and second-source and second-sink transistors, wherein a motor coil connected between a connection point of the first-source and first-sink transistors and a connection point of the second-source and second-sink transistors; a current-detection circuit to detect a current flowing through the motor coil of each of the H-bridge circuits; an oscillation circuit; and a control circuit to control the H-bridge circuits so as to turn on the first-source and second-sink transistors of each of the H-bridge circuits at intervals of a predetermined period based on an oscillation signal, and turn off the second-sink transistor of each of the H-bridge circuits after a value of a current flowing through the motor coil of each of the circuits reaches a predetermined value, based on a detection result of the current-detection circuit. | 2012-03-22 |
20120068648 | MOTOR DRIVE CIRCUIT - A motor drive circuit includes: a first H-bridge circuit including a first source transistor and a first sink transistor connected in series and a second source transistor and a second sink transistor connected in series; a second H-bridge circuit including a third source transistor and a third sink transistor connected in series and a fourth source transistor and a fourth sink transistor connected in series; and a first control circuit to turn on or off the first and second source transistors and the third and fourth sink transistors in a synchronized manner, turn on or off the third and fourth source transistors and the first and second sink transistors in a synchronized manner, and further turn on or off the first and second source transistors and the third and fourth sink transistors in a complementary manner to the third and fourth source transistors and the first and second sink transistors. | 2012-03-22 |
20120068649 | BACK-EMF DETECTION FOR MOTOR CONTROL - Systems, methods, and other embodiments associated with back-EMF detection for motor control are described. In an embodiment, an apparatus includes a drive circuit configured to apply excitation signals to respective inputs of a motor, a signal inhibit circuit configured to convey a signal to inhibit application of the excitation signals during an interval, and a measuring circuit configured to measure a back-electromotive force (EMF) signal crossing a reference signal during the interval. | 2012-03-22 |
20120068650 | DRIVING DEVICE OF BRUSHLESS DC MOTOR FOR FAN AND DRIVING METHOD THEREOF - A driving device of a brushless DC motor for a fan includes a protection circuit, a storage circuit, a control circuit and a bridge circuit. The protection circuit is electrically connected with an auxiliary power. The storage circuit electrically connected with the protection circuit receives the auxiliary power. The control circuit is electrically connected with the protection circuit and the storage circuit. The bridge circuit electrically connected with the control circuit has a first switching unit, a second switching unit, a third switching unit and a fourth switching unit. The first and second switching units are coupled with one end of a motor coil. The third switching unit and the fourth switching unit are coupled with the other end of the motor coil. The first switching unit is electrically connected with the third switching unit, and the second switching unit is electrically connected with the fourth switching unit. | 2012-03-22 |
20120068651 | GENERATOR DRIVE SYSTEM FOR AN INTERNAL COMBUSTION ENGINE - A generator drive system for the generator ( | 2012-03-22 |
20120068652 | FAN DRIVE CIRCUIT FOR ELECTRONIC DEVICE - A fan drive circuit for driving a fan used in an electronic device to rotate includes a heat detector, a control unit, an integrating circuit, a regulating circuit; and a power supply. The power supply cooperates with the regulating circuit to drive the fan to rotate, the control unit detects the temperature of the one or more components of the electronic device using the heat detector and cooperates with the integrating circuit to generate a speed control voltage that changes with change of the temperature, and the speed control voltage is input to the regulating circuit to regulate a rotation rate of the fan. | 2012-03-22 |
20120068653 | METHOD AND SYSTEM FOR DETERMINING DETERIORATION OF PERMANENT MAGNETS OF ELECTRIC APPARATUS - A method and a system for determining deterioration of permanent magnets of an electric apparatus to be inspected that facilitate determination without the need to remove the electric apparatus from a facility where it is installed. If the electric apparatus to be inspected is a three-phase linear motor, a current detector is used to acquire currents. A three-phase/two-phase conversion section converts the acquired currents into an α-axis current command and a β-axis current command. A locus of a current vector is computed based on the α-axis current command and the β-axis current command. A comparing and determining section compares the computed locus with a standard upper limit value stored in a storage means. If the number of times that the locus of the current vector exceeds the standard upper limit value exceeds a predetermined value, it is determined that the permanent magnets have been deteriorated. | 2012-03-22 |
20120068654 | CONFIGURABLE MULTI-AXIS ELECTRIC DRIVE SYSTEM CONCEPT - The present invention includes techniques for configuring an electric drive module designed for various multi-axis drive system configurations. Embodiments include techniques for integrating a three phase dual converter with a diode bridge and drive controller within a single drive module. Further integrating the diode bridge directly within the drive module may result in an integrated, modular building block for multiple electric drive system configurations. In some embodiments, multiple electric drive modules are connected by a DC bus to form a system configured for higher energy efficiency. | 2012-03-22 |
20120068655 | OUTPUT FILTER AND MOTOR DRIVE SYSTEM INCLUDING THE SAME - A motor drive system includes: a three-phase motor; a power conversion device that supplies power for driving the three-phase motor; and an output filter that is arranged between an output of the power conversion device and the three-phase motor and has a configuration in which a setting value of a filter resonance frequency is selectable and changeable. | 2012-03-22 |
20120068656 | SWITCH MODULE FOR AN ELECTRIC MACHINE HAVING SWITCHABLE STATOR WINDINGS - An electric machine including a housing and a stator arranged within the housing. The stator includes a plurality of stator windings that define a number of phases. A switch module is mounted at the housing. The switch module includes a plurality of switch members that are operatively connected to the plurality of stator windings. The plurality of switch members are configured and disposed to selectively establish one of a first electrical connection configuration and a second electrical connection configuration of the plurality of stator windings. | 2012-03-22 |
20120068657 | ELECTRIC MACHINE SYSTEM INCLUDING AN ELECTRIC MACHINE HAVING SWITCHED STATOR WINDINGS - An electric machine system includes an electric motor. The electric motor includes a stator having a plurality of windings that define a number of phases. A plurality of switch members are operatively coupled to the plurality of windings. The plurality of switch members are no more than one less than three times the number of phases. A controller is operatively coupled to the plurality of switch members. The controller selectively changes a state of the plurality of switch members to establish one of a first electrical connection configuration of the plurality of windings and a second electrical connection configuration of the plurality of windings. | 2012-03-22 |
20120068658 | System And Method For Setting Machine Limits - A system and method for setting machine limits include setting a limit for a machine parameter, setting a temporal operating range for the machine, and setting a temporal step. The machine is operated over the operating range and the machine parameter is measured. A first new limit for the machine parameter is set based at least in part on the measurements over the operating range. The operating range is advanced by the temporal step, and the machine parameter continues to be measured. Another new limit for the machine parameter is set based at least in part on the measurements over the operating range after the operating range has been advanced. | 2012-03-22 |
20120068659 | WASHING MACHINE - Disclosed is a washing machine comprising a permanent magnet motor that includes a rotor and that drives rotation for execution of a wash operation; a permanent magnet that is provided on the rotor side and that has a level of coercivity allowing variation in an amount of magnetism with ease, and a magnetism controller that produces an excitation current to vary the amount of magnetism of the permanent magnet; wherein the magnetism controller, when interrupting or stopping an ongoing operation, interrupts or stops the ongoing operation after magnetizing the permanent magnet. | 2012-03-22 |
20120068660 | OPERATION METHOD OF POWER TRANSMISSION AND DISTRIBUTION SYSTEM USING SECONDARY BATTERY - A battery-used power grid operation method for handling a home-use secondary battery as a virtual battery of medium- to large-scale and for lessening a necessary cell capacity to thereby enable efficient absorption of an output variation of renewable energy-derived electric power is provided. In a power system including electrical household appliances in a house having a renewable power generator, an individual house-installed rechargeable battery or separately central-managed battery, and a control device which measures and controls an output variation of the renewable power generator, those output variations of the renewable power generator occurring with time and due to changes of weather and seasons are absorbed as much as possible by preset-temperature control of the electric household appliances in the house while absorbing the remaining variations by charge/discharge of the battery, thereby lessening an electricity storage capacity required for the variation absorption. | 2012-03-22 |
20120068661 | TRANSPORTABLE ELECTRICITY GENERATION UNIT AND METHOD FOR GENERATING ELECTRICITY USING SAID UNIT - This invention relates to a transportable electricity generation unit ( | 2012-03-22 |
20120068662 | Portable Battery Booster - A portable battery booster for providing a compact, light, and energy efficient battery to jump start a vehicle. The portable battery booster generally includes a housing, a battery means adapted to be received by the housing, a pair of cable means, each of the cable means having a proximal end and a distal end, the proximal end electrically connected to the battery means and the distal end detachably connected to a discharged battery of the vehicle. The battery is generally comprised of one or more batteries having the type of primary lithium-metal, rechargeable lithium-ion, and/or lithium-polymer and more specifically preferably comprised of lithium iron phosphate for fast charging, small size, and high performance. The battery may also be connected to one or more supercapacitors, an internal CPU, DC/DC converter, etc. to increase performance. The cable means includes jaws that detachably connect to the housing in a flush and sleek manner. | 2012-03-22 |
20120068663 | POWER SOURCE DEVICE - A power control device for a vehicle includes a first battery, a second battery, the voltage of which is lower than the voltage of the first battery, and a transformer. The transformer includes a primary coil, to which an alternating-current power source is connected, a first secondary coil, to which the first battery is connected, and at least one second secondary coil, to which the second battery is connected. A rectification circuit is located between the second secondary coil and the second battery. A voltage adjustment circuit is located between the rectification circuit and the second battery. A control section charges the first battery using the alternating current power source, and, simultaneously supplies electrical power to the second battery. | 2012-03-22 |
20120068664 | SYSTEM FOR REPLACING A BATTERY OF A GROUND TRANSPORTATION VEHICLE, PARTICULARLY OF AN UNMANNED HEAVY-DUTY TRANSPORTATION VEHICLE FOR ISO CONTAINERS - The invention relates to a system for replacing a battery of a ground transportation vehicle, particularly of an unmanned heavy-duty transportation vehicle for ISO containers. The system includes storage spaces for batteries, at least one ground transportation vehicle having a receiving space for a replaceable battery, and at least one loading and unloading device for transporting batteries between the storage spaces and the receiving space of the transport vehicle in a replacement area. The storage space and the receiving space may include respective centering elements such that the battery is aligned relative to the storage space or the receiving space in response to the loading motion of the loading and unloading device. | 2012-03-22 |
20120068665 | System and Method for Balancing a State of Charge of Series Connected Cells - A method of balancing a state of charge (SOC) of a plurality of cells connected in series, including identifying an undercharged cell from the plurality of cells to charge, electrically connecting a positive side of the undercharged cell to a positive bus, electrically connecting a negative side of the undercharged cell to a negative bus, electrically connecting an inductor to a voltage source during a first time period; electrically disconnecting the inductor from the voltage source in response to an elapse of the first time period, and maintaining the disconnection of the inductor from the plurality of cells for a second time period corresponding generally to the time for the inductor to discharge energy to the undercharged cell. | 2012-03-22 |
20120068666 | METHOD OF CHARGING AND MAINTAINING LITHIUM ION SECONDARY BATTERY, BATTERY SYSTEM, VEHICLE AND BATTERY-MOUNTED DEVICE - An object is to provide a method of charging and maintaining a lithium ion secondary battery which method is capable of preventing a decrease in the capacity of the battery. Another object is to provide a battery system capable of preventing a decrease in battery capacity, and a vehicle and a battery-mounted device which have such a battery system mounted therein. A method of charging and maintaining lithium ion secondary batteries | 2012-03-22 |
20120068667 | ELECTROCHEMICAL CELL SYSTEM WITH A PROGRESSIVE OXYGEN EVOLVING ELECTRODE / FUEL ELECTRODE - One aspect of the present invention provides an electrochemical cell system comprising at least one electrochemical cell configured to be selectively connected to a load to discharge the cell by generating electrical current using a fuel and an oxidant. The electrochemical cell system may alternatively be connected to a power supply to recharge the cell. The electrochemical cell system comprises a plurality of electrodes and electrode bodies therein. The electrochemical cell system further comprises a switching system configured to permit progressive movement of the anodes used for charging each electrochemical cell, maintaining a minimum distance from a progressively moving cathode that is the site of fuel growth. | 2012-03-22 |
20120068668 | Battery Module For High-Current Rapid Charging - A high-current rapid charging battery module for an electric vehicle including a case, one or more battery cells inside the case, a ventilation system that draws air upward through holes in the bottom of the case from the exterior of the vehicle, massive copper busbars, each busbar electrically connecting a positive lead on one battery cell to a negative lead on a different battery cell, an air flow cartridge between each pair of adjacent battery cells, and one or more fans arranged on top of one or more cells that blow air drawn upward through the holes in the bottom of the case away from the top of the battery module. | 2012-03-22 |
20120068669 | System for Energy Harvesting and/or Generation, Storage, and Delivery - A device and method for harvesting, generating, storing, and delivering energy to a load, particularly for remote or inaccessible applications. The device preferably comprises one or more energy sources, at least one supercapacitor, at least one rechargeable battery, and a controller. The charging of the energy storage devices and the delivery of power to the load is preferably dynamically varied to maximize efficiency. A low power consumption charge pump circuit is preferably employed to collect power from low power energy sources while also enabling the delivery of higher voltage power to the load. The charging voltage is preferably programmable, enabling one device to be used for a wide range of specific applications. | 2012-03-22 |
20120068670 | WIND JET TURBINE - A wind jet turbine with a housing that creates an air density deferential between the air within the housing and the wind passing outside the housing in order to generate the same or more electrical power in less space than traditional wind turbines. | 2012-03-22 |
20120068671 | ROTARY ELECTRIC MACHINE FOR VEHICLE - A rotary electric machine for a vehicle that is capable of starting synchronous rectification through switching elements after having ensured absence of a short circuit fault. The rotary electric machine includes a multi-phase armature winding, a switching element set that includes a plurality of pairs of upper-arm and lower-arm switching elements to form a bridge rectification circuit together with the armature winding, an on/off-timing setter that sets on/off-timing of each switching element, a switching element driver that drives each switching element at the on/off-timing set by the on/off-timing setter; and a synchronous control start determiner that determines timing when an energization period for the upper-arm switching element and an energization period for the lower-arm switching element occur alternately as start timing of the synchronous rectification. | 2012-03-22 |
20120068672 | SEMICONDUCTOR INTEGRATED CIRCUIT AND METHOD OF CONTROLLING MEMS-TYPE VARIABLE CAPACITANCE CAPACITOR - A first pump circuit generates a first voltage for decreasing the distance between primary electrodes. The first voltage is limited to a predetermined limit by a first limiter circuit. A second pump circuit generates a second voltage for keeping the distance between the primary electrodes constant. A third pump circuit generates the second voltage and has a supplying capacity smaller than the first one. The second voltage is limited by second and third limiter circuits. A ripple capacitor is charged up to the second voltage by the second pump circuit and the second limiter circuit within a period of time the first voltage is being generated. When a supplying voltage of the first pump circuit reaches to the first voltage, and a deformation stops, the second voltage is supplied by the third pump circuit and the third limiter circuit instead of the second pump circuit and the second limiter circuit. | 2012-03-22 |
20120068673 | Startup circuit for self-supplied voltage regulator - A startup circuit for starting up a self-supplied voltage regulator which initiates startup by applying a voltage from a voltage supply to the startup circuit thus causing a voltage at an output node to rise. This rise will start the operation of the differential amplifier of the voltage regulator. When the voltage at the output node has reached the desired final output voltage, the startup circuit disconnects from the voltage regulator. The criterion for switching off the startup circuit is determined by a comparator which compares the output current capability of the voltage regulator with its output current plus the startup current. Inputs to the differential amplifier, such as the reference voltage, derive their power from the output node. | 2012-03-22 |
20120068674 | MULTIPHASE CONTROL SYSTEM AND CONTROL UNIT - A multiphase control system is provided, which is adapted to convert power of an input power source into an output voltage for outputting through an output terminal. The multiphase control system comprises a plurality of control units connected in series to form a loop. Each of the control units receives a sequential input signal from an adjacent control unit connected there before through a multiphase input terminal, and generates a control signal to control power transmission from the input power source to the output terminal when determining that the output voltage is lower than a predetermined voltage value, and generates a sequential output signal at a multiphase output terminal for outputting to an adjacent control unit connected there after. | 2012-03-22 |
20120068675 | Voltage generation circuit - A voltage generation circuit includes a voltage detection circuit that generates a detection voltage according to an output voltage, a reference voltage generation circuit that generates a reference voltage which changes periodically, a comparison circuit that generates a control signal according to a result of a comparison between the detection voltage and the reference voltage, wherein control pulses each having a pulse width according to the detection voltage are sequentially appeared in the control signal, and a driving pulse generation circuit that generates a driving pulse corresponding to the control pulse and supplies the generated driving pulse to a transistor connected to a DC power source when the pulse width of the control pulse exceeds a predetermined width, and stops generating the driving pulse when the pulse width of the control pulse becomes smaller than the predetermined width. | 2012-03-22 |
20120068676 | VOLTAGE GENERATION CIRCUIT - A voltage generation circuit includes a voltage detection circuit that generates a detection voltage according to an output voltage, a reference voltage generation circuit that generates a reference voltage which changes periodically, a comparison circuit that generates a control signal according to a result of a comparison between the detection voltage and the reference voltage, wherein control pulses each having a pulse width according to the detection voltage are sequentially appeared in the control signal, and a driving pulse generation circuit that generates a driving pulse corresponding to the control pulse and supplies the generated driving pulse to a transistor connected to a DC power source when the pulse width of the control pulse exceeds a predetermined width, and stops generating the driving pulse when the pulse width of the control pulse becomes smaller than the predetermined width. | 2012-03-22 |
20120068677 | RESONANT POWER CONVERTER DRIVING AN INDUCTIVE LOAD LIKE A DISCHARGE LAMP - A resonant power converter ( | 2012-03-22 |
20120068678 | DC-DC CONVERTER - Provided is a DC-DC converter capable of reducing not only a turn-off loss but also a turn-on loss. A snubber capacitor has one end connected to an anode of a step-up diode, a current input end of a step-up switching element and a main reactor. A first snubber diode has a cathode connected to other end of the snubber capacitor, and an anode connected to a cathode of the step-up diode. A second snubber diode has an anode connected to the cathode of the first snubber diode and other end of the snubber capacitor. A snubber reactor has one end connected to the anode of the first snubber diode, and other end connected to a cathode of the second snubber diode. | 2012-03-22 |
20120068679 | REGULATED POWER SUPPLY SYSTEM WITH HIGH INPUT VOLTAGE DYNAMICS - This regulated power supply system with high input voltage dynamics, of the type having a shared inductance buck/boost transformer and having at least two controllable semiconductor switching members, one associated with the buck function of the transformer and the other with the boost function of the transformer, is characterized in that one of the controllable semiconductor switching members is driven by control means as a function of the system's input voltage, and the other is driven continuously by enslavement means on the output voltage. | 2012-03-22 |
20120068680 | METHOD AND APPARATUS FOR IMPLEMENTING SLEW RATE CONTROL USING BYPASS CAPACITOR - An example circuit includes a regulator circuit coupled to first and second nodes. A capacitance circuit and a slew rate control circuit are coupled between the first and second nodes. The regulator circuit is coupled to charge a capacitance of the capacitance circuit with a charge current. The slew rate control circuit is coupled to control a change in voltage over change in time between the first and second nodes during a power up mode of the circuit. The slew rate control circuit further includes a switch and a resistor. The slew rate control circuit is coupled to switch the switch in response to a voltage between the first and second nodes. A voltage drop across the resistor is limited to a base-emitter voltage drop of a transistor coupled between the first and second nodes to set the change in voltage over change in time. | 2012-03-22 |
20120068681 | Integrated Circuit Package With Reduced Parasitic Loop Inductance - A multi-layer integrated circuit package includes a switched-mode power supply circuit including a plurality of transistors which form part of a main current loop of the switched-mode power supply circuit. The plurality of transistors are arranged in one or more layers of the integrated circuit package. The package further includes a conductive plate arranged in a different layer of the integrated circuit package than the plurality of transistors. The conductive plate is in close enough proximity to at least part of the main current loop so that a current can be electromagnetically induced in the conductive plate responsive to a change in current in the main current loop. | 2012-03-22 |
20120068682 | DC TO DC VOLTAGE CONVERTER COMPRISING A CHARGE PUMP CAPACITOR - The invention relates to a DC to DC voltage converter including a charge pump capacitor (C) installed parallel to a means ( | 2012-03-22 |
20120068683 | Current Source Gate Driver with Negative Gate Voltage - Described herein are methods and circuits for driving a power switching device of a power converter. The methods and circuits include providing a negative gate to source voltage to the power switching device during an off transition of the power switching device, wherein the negative gate to source voltage is provided independent of one or more switching element for driving the power switching device; wherein body diode conduction by the one or more switching element is mitigated; wherein a circuit connected in parallel with the gate and source of the power switching device is used to set or define the negative gate to source voltage. | 2012-03-22 |
20120068684 | CURRENT GENERATOR, NOTABLY FOR CURRENT OF THE ORDER OF NANO-AMPERES, AND VOLTAGE REGULATOR USING SUCH A GENERATOR - An ultra-low current generator and a voltage regulator using such a generator. The generator includes a first set of Q transistors connected as a current mirror and able to be linked to a supply voltage; a second set of Q−1 transistors connected as a current mirror and each connected in series to one of the transistors in the first set of transistors; a first transistor connected in series with a transistor in the second set of transistors; and a second transistor, connected as a current mirror with the first transistor, and connected in series with a transistor included in the first set of transistors. The first transistor operates in its linear zone, a value of a current generated by the current generator depends on an equivalent resistance of the first transistor, and the first and second transistors have ultra-long channels, with a very large length/width ratio. | 2012-03-22 |
20120068685 | CIRCUIT AND METHOD FOR GENERATING REFERENCE VOLTAGE AND REFERENCE CURRENT - A circuit for generating reference voltage and reference current includes a band-gap reference circuit and a voltage-to-current converting circuit. The band-gap reference circuit is configured to generate a temperature-independent reference voltage by generating a first current with a positive temperature coefficient. The voltage-to-current converting circuit is coupled to a node of the band-gap reference circuit and configured to convert a voltage with a negative temperature coefficient at the node into a second current with a negative temperature coefficient. The band-gap reference circuit and the voltage-to-current converting circuit share a common current source having a feedback transistor through which a reference current flows. The reference current is divided into the first current of the band-gap reference circuit and the second current of the voltage-to-current converting circuit, thus having a temperature coefficient substantially equal to zero by combining the first current and the second current. | 2012-03-22 |
20120068686 | RADIO-FREQUENCY LIGHTING CONTROL SYSTEM WITH OCCUPANCY SENSING - A load control system controls an electrical load provided in a space and comprises a load control device and a first occupancy sensor mounted to a moving structure (e.g., a door) and a second occupancy sensor mounted to a fixed surface (e.g., a wall or a ceiling). The load control device controls the load in response to the wireless control signals received from the occupancy sensors. The first occupancy sensor transmits an occupied wireless control signal to the load control device in response to detecting the movement of the moving structure. The second occupancy sensor transmits an occupied wireless control signal to the load control device in response to detecting the occupancy condition. The load control device turns on the load in response to receiving the occupied control signal from the first occupancy sensor, and turns off the load in response to receiving vacant control signals from both of the occupancy sensors. | 2012-03-22 |
20120068687 | Method for Determining a Spatial Arrangement of Photovoltaic Module Groups in a Photovoltaic Installation - A method for determining a spatial arrangement of photovoltaic module groups in a photovoltaic installation includes measuring a sequence of values of an illumination-dependent electrical characteristic variable of different photovoltaic module groups while the photovoltaic installation is subject to light incidence with an incidence intensity which varies over time and spatially. The relative spatial arrangement of the photovoltaic module groups with respect to one another is then determined by comparing sequences of measured values associated with different photovoltaic module groups. | 2012-03-22 |
20120068688 | Wireless Soil Moisture Sensor - The present invention includes a wireless soil sensor having a curved surface and at least two groups of sensor-pin electrodes. A tine-catching block is disposed within the sensor body, near a top of the sensor to protect against aeration tools damaging components of the sensor. The electrical circuitry and the battery are separately potted in an epoxy material and oriented vertically, creating a central gap through which an incoming aeration tine is directed. | 2012-03-22 |
20120068689 | EEPROM CELL WITH CHARGE LOSS - An EEPROM memory cell that includes a dual-gate MOS transistor in which the two gates are separated by an insulation layer, wherein the insulation layer includes a first portion and a second portion having lower insulation properties than the first one, the second portion being located at least partially above a channel area of the transistor. | 2012-03-22 |
20120068690 | BULK ACOUSTIC WAVE RESONATOR SENSOR - A bulk acoustic wave resonator (BAWR) sensor is provided. The BAWR sensor includes a signal BAWR that measures a resonance frequency that is modified due to a reaction with a target material, a reference BAWR that measures a reference resonance frequency without reaction with an external environment, and a sensing unit that senses the target material, based on the modified resonance frequency and the reference resonance frequency. | 2012-03-22 |
20120068691 | di/dt Current Sensing - A circuit includes a power circuit and a current sensing circuit. The power circuit has a main current loop. The current sensing circuit is spaced apart from and electrically decoupled from the power circuit. The current sensing circuit is operable to generate a voltage proportional to an electromagnetic field generated responsive to a current change in the main current loop of the power circuit and generate a current information signal based on the voltage. The current information signal describes the current in the main current loop. | 2012-03-22 |
20120068692 | Systems and Methods for Measuring Electrical Power Usage in a Structure and Systems and Methods of Calibrating the Same - Some embodiments can concern a method of using a power consumption measurement device. The power consumption measurement device can be mechanically coupled to a surface of a circuit breaker box overlying at least part of one or more main electrical supply conductors for an electrical power infrastructure of a structure. The method can include: determining one or more first magnetic field readings from the one or more main electrical supply conductors using one or more sensors in the power consumption measurement device; after determining the one or more first magnetic field readings, electrically coupling a first calibration load to the electrical power infrastructure; while the first calibration load remains electrically coupled to the electrical power infrastructure, determining one or more second magnetic field readings from the one or more main electrical supply conductors using the one or more sensors in the power consumption measurement device; calibrating the power consumption measurement device using at least in part the one or more first magnetic field readings and the one or more second magnetic field readings, after calibrating the power consumption measurement device, determining one or more third magnetic field readings from the one or more main electrical supply conductors using the one or more sensors in the power consumption measurement device; and determining an electrical power used by the electrical power infrastructure of the structure using at least the one or more third magnetic field readings and the one or more calibration coefficients. Calibrating the power consumption measurement device can include determining one or more first calibration coefficients for the power consumption measurement device using at least in part the one or more first magnetic field readings and the one or more second magnetic field readings. Other embodiments are disclosed. | 2012-03-22 |
20120068693 | MAGNETOELECTRONIC ANGLE SENSOR, IN PARTICULAR A RELUCTANCE RESOLVER - The present invention relates to a reluctance resolver ( | 2012-03-22 |
20120068694 | METHOD OF DETECTING ABSOLUTE ROTATIONAL POSITION - Before detecting a mechanical angular absolute position θabs of a rotating shaft ( | 2012-03-22 |
20120068695 | SUPPORT MEMBER, ROTATION DEVICE COMPRISING SUCH A SUPPORT AND ROLLING BEARING ASSEMBLY INCLUDING A DETECTION DEVICE - This support member ( | 2012-03-22 |
20120068696 | APPARATUS FOR EVALUATING HARDENING QUALITY AND METHOD THEREOF - A hardening quality evaluating apparatus and a hardening quality evaluating method, both of which are effective to accurately evaluate, on a non-destructive basis, the hardening quality of an object to be inspected, is provided. The apparatus includes an electric power supply electrode held in contact with an object to be inspected, an electric power source for applying an alternating current to the object through the electric power supply electrode, a magnetic field sensor for measuring a magnetic field developed by an electric current flowing through the object, and a quality determining unit for measuring the hardening quality of the object through the magnetic field measured by the magnetic field sensor. | 2012-03-22 |
20120068697 | APPARATUS AND METHOD FOR DETECTING DEFECT USING MULTIPLE PHASE SELECTABLE PULSED EDDY CURRENT - There is provided a apparatus and method for detecting defect using multiple phase selectable pulsed eddy current (PEC), comprising: an object to be determined as to presence of a defect; a PEC irradiation unit positioned close to a surface of the object, that irradiates a PEC signal to the object and receives a defect or defect-free signal reflected from the object as a result of irradiation; a measurement unit connected to the PEC irradiation unit by a cable, being input with the reflected PEC signal received in the PEC irradiation unit, and stored with a program for time-sharing and displaying the PEC signal on a graph, that processes a resultant value to be displayed; a display unit connected to the measurement unit, that displays the resultant value being output from the measurement unit; and an input unit connected to the measurement unit, that sets a phase (a multiple phase selectable value through selecting an arbitrary location by time-sharing the measured PEC signal), frequency (a frequency value of the input PEC signal) and gain (a time axis range of the reflected PEC signal) of the PEC signal irradiated to the object. | 2012-03-22 |
20120068698 | STRUCTURE OF TMR AND FABRICATION METHOD OF INTEGRATED 3-AXIS MAGNETIC FIELD SENSOR AND SENSING CIRCUIT - A structure of TMR includes two magnetic tunneling junction (MTJ) devices with the same pattern and same magnetic film stack on a same conducting bottom electrode and a parallel connection of conducting top electrode. Each MTJ device includes a pinned layer on the bottom electrode, having a pinned magnetization; a non-magnetic tunneling on the pinned layer; and a free layer on the tunneling layer, having a free magnetization. These two MTJ devices have a collinear of easy-axis and their pinned magnetizations all are parallel to a same pinned direction which has an angle of 45 degree to easy-axis; their free magnetizations initially are parallel to the easy-axis but directions are mutual anti-parallel by applying a current generated ampere field. The magnetic field sensing direction is perpendicular to the easy-axis on the substrate. | 2012-03-22 |
20120068699 | PHANTOM FOR DIFFUSION MRI IMAGING - A phantom calibration body ( | 2012-03-22 |
20120068700 | Formation Evaluation Capability From Near-Wellbore Logging Using Relative Permeability Modifiers - Nano-particles that possess either selective fluid phase blocks or modify the relative permeability of an earth formation to different fluids are used to inhibit the invasion of borehole mud into the formation. This makes it possible to make formation evaluation measurements using sensors with a shallow depth of investigation. | 2012-03-22 |
20120068701 | System and Method for Improving the Analysis of Chemical Substances Using NQR - The present application discloses systems and methods for analyzing a chemical substance containing quadrupolar nuclei to determine a measurable characteristic of the substance. The systems and methods include irradiating the substance with RF energy to stimulate NQR of certain quadrupolar nuclei within the substance, receiving and processing a signal emitted from the substance to isolate an NQR signal therefrom, analyzing the NQR signal to obtain a measure of the characteristic of the substance, and providing an output indicative of the measure for analytical purposes. | 2012-03-22 |
20120068702 | METHOD AND MAGNETIC RESONANCE SYSTEM TO GENERATE A SERIES OF MAGNETIC RESONANCE EXPOSURES - In a magnetic resonance method and apparatus, a series of magnetic resonance exposures of an examination subject is generated by implementing multiple first measurements (data acquisitions) with variation of a measurement parameter from acquisition-to-acquisition, which strongly influences a contrast of the first material type excited in the first measurements, implementing multiple second measurements in which a second material type is essentially selectively imaged that is less contrast-dependent with regard to this measurement parameter in a processor calculating spatial correction values for image data of the first measurements based on spatial differences between image data of different second measurements, and, also in the processor, spatially correcting image data of the first measurements (Di) and/or registration of image data of different first measurements to one another on the basis of the correction values. | 2012-03-22 |
20120068703 | METHOD FOR SPATIALLY RESOLVED DETERMINATION OF AN MR PARAMETER - In a magnetic resonance (MR) method and apparatus for spatially resolved determination of at least one MR parameter that influences an MR signal detected in an MR measurement of a region of an examination subject, first complex image data and second complex image data, respectively acquired with different acquisition coils and at different echo times in an echo imaging sequence, are provided to a processor. The different image data sets have complex image points that correspond with each other with regard to the imaged volume element of the examination subject. The MR parameter is determined in the processor for at least a portion of these image points by determination of an image point vector respectively for the first and second echo times and by combining the image point vectors to at least partially compensate echo time-independent phase or magnitude portions in the acquired image data. | 2012-03-22 |
20120068704 | MAGNETIC RESONANCE METHOD AND SYSTEM TO GENERATE MR IMAGE DATA WITH PARALLEL SLICE EXCITATION - In a method and a magnetic resonance (MR) system and method to generate MR image data of a predetermined volume segment within an examination subject, multiple slices of the volume segment are simultaneously excited by at least one RF excitation pulse, and during the excitation a slice selection gradient is switched. The measurement signals from the multiple slices are acquired with multiple RF reception antennas, at least some of which are spaced along the propagation direction of the slice selection gradient. During the acquisition of the measurement signals the slice selection gradient is switched in order to achieve a spectral separation of the measurement signals of different slices. The MR image data are generated from the measurement signals. | 2012-03-22 |
20120068705 | MEASUREMENT DEVICE AND MEASUREMENT METHOD - A measuring instrument and a measurement method which measures, using magnetic resonance, images such as a functional image, a morphologic image of an object to be measured eliminate the influences of the moving speed of the object to be measured during moving, thereby obtaining a precise measured image. The instrument comprises: the first and second external magnetic field generation devices which generate magnetic fields for exciting the magnetic resonance of a mouse (M) as a living body to be measured; a turntable which rotates and moves the mouse (M) as an object to be measured, thereby moving the mouse (M) in the magnetic fields of the first and second external magnetic field generation devices; an OMRI measurement processing unit and an MRI measurement processing unit which obtain measured image signals within the mouse (M) by phase encoding while applying a gradient magnetic field in the moving direction (y) of the mouse (M) without stopping during the movement by the turntable; and a measured signal correction unit which corrects the measured image signal (S (k., ky)), thereby obtaining a corrected image signal (S′ (k., ky)) wherein influence of movement in y-direction is corrected. | 2012-03-22 |
20120068706 | Dual-Resonance Structure and Method for Examining Samples Using A Plurality of Conductive Strips - A double-resonance structure | 2012-03-22 |
20120068707 | Gradient Coil Assemblies - An MRIS gradient coil assembly | 2012-03-22 |
20120068708 | Gradient Coil Sub-Assemblies - An MRIS gradient coil sub-assembly comprising a first coil layer comprising a first conducting coil portion, a second coil layer comprising a second conductive coil portion electrically connected with the first conductive coil portion so that the first and second conductive coil portions act together as one winding, and a B-stage material consolidation layer sandwiched between the first and second coil layers. | 2012-03-22 |
20120068709 | COIL ARRANGEMENT - A coil arrangement for use in a magnetic resonance imaging system, the imaging system being for generating a magnetic imaging field in an imaging region, the coil arrangement including at least three coils for at least one of transmitting, receiving or transceiving an electromagnetic field, each coil being provided on a coil geometry and being substantially orthogonal. | 2012-03-22 |
20120068710 | MAGNETIC RESONANCE DEVICE, REFLECTOR ARRAY AND HIGH-FREQUENCY SHIELD SYSTEM FOR A MAGNETIC RESONANCE DEVICE - A magnetic resonance device with a measurement chamber, an antenna arrangement that has a plurality of antenna elements arranged at least in certain areas around the measurement chamber, a gradient coil system arranged outside the antenna arrangement as seen from the measurement chamber, and a high-frequency shield system arranged between the antenna arrangement and the gradient coil system are provided. The high-frequency shield system has a reflector array with a plurality of passive reflector resonance circuits, each of which is configured such that resonance frequencies of the plurality of passive reflector resonance circuits lie below an operating magnetic resonance frequency of the magnetic resonance device and that the plurality of passive reflector resonance circuits has an inductive overall impedance. | 2012-03-22 |
20120068711 | PAD DEVICE FOR RESISTIVITY IMAGING IN THE WELLS WITH OIL BASED DRILLING FLUID - An apparatus and method for reducing coupling between at least one measure electrode and at least one return electrode in a logging tool in a borehole with non-conductive drilling fluid using a conductive shield disposed between the at least one measure electrode and the at least one return electrode. The apparatus may be configured to impart an electrical current into a formation and to receive a return current from the formation. The method may include using the apparatus. | 2012-03-22 |