| 47th week of 2008 patent applcation highlights part 20 |
| Patent application number | Title | Published |
|---|
| 20080284344 | POWER SUPPLY UNIT FOR GAS DISCHARGE PROCESSES - A method of generating an output DC voltage of a gas discharge process voltage supply unit, in which in a first voltage transformation stage a first DC voltage is transformed into a second DC voltage of a predetermined voltage range, and the output DC voltage is generated from the second DC voltage in a second voltage transformation stage. A switching element of at least one boost converter is switched with a controlled pulse-duty factor for generating the output DC voltage in the second voltage transformation stage. This method permits striking and maintenance of a plasma process. | 2008-11-20 |
| 20080284345 | Circuit Arrangement and Method for the Operation of High-Pressure Gas Discharge Lamps - Disclosed is a circuit arrangement for supplying a lamp wattage to a high-pressure discharge lamp (Lp) in the form of an alternating current having an operating frequency. The alternating current is generated by a full bridge that is composed of two half-bridge branches. The lamp wattage can be adjusted via the phase which the two half-bridge branches have relative to each other. The lamp wattage is modulated by means of the transmission function of an interface if the operating frequency is frequency-modulated. Said modulation of the lamp wattage can be compensated by adequately correcting the phase. | 2008-11-20 |
| 20080284346 | LIGHT EMITTING DIODE ARRAY DRIVING APPARATUS - There is provided a LED array driving apparatus for driving a light emitting array having a plurality of LEDs connected to one another, including: a DC-DC converting part; a current/voltage detecting part detecting a magnitude of a first current flowing through a switching transistor of the DC-DC current converting part to correspondingly output a first current detection voltage, detecting a magnitude of a both-end voltage of the LED array to correspondingly output a LED array detection voltage, and detecting a magnitude of a current flowing through the LED array to correspondingly output a second current detection voltage; and a constant current controlling part controlling an on/off duty of the switching transistor according to the magnitude of the first current detection voltage, the second current detection voltage and the LED array detection voltage detected by the current/voltage detecting part. | 2008-11-20 |
| 20080284347 | Lighting control system having a security system input - A lighting control system is operable to be coupled to a security system and is pre-programmed such that the control devices of the lighting control system behave out-of-box in a predetermined manner in response to the security system. The lighting control system comprises a contact closure input that is operable to be simultaneously coupled to both a momentary contact closure output and a maintained contact closure output of the security system. Preferably, the lighting control system enters a first mode of operation when the contact closure input detects a closure, enters a second mode of operation if the contact closure input continues to detect the closure after a predetermined amount of time, and enters a third mode of operation if the contact closure input no longer closed. Accordingly, the lighting control system is responsive to either the momentary contact closure output or the maintained contact closure output. | 2008-11-20 |
| 20080284348 | Lighting Device with User Interface for Light Control - The present invention relates to a lighting system ( | 2008-11-20 |
| 20080284349 | BACKLIGHT UNITS AND DISPLAY DEVICES - A backlight unit comprising a boost circuit and a backlight element. The boost circuit is coupled to a voltage source and controlled by a PWM signal and a switch signal. When the backlight unit operates in a normal mode, the boost circuit is supplied by the voltage source according to the PWM signal and the switch signal to drive the backlight element to emit light. When the backlight unit operates in a standby mode, the voltage source stops supplying the boost circuit according to the PWM signal and the switch signal, and the backlight element stops emitting light. | 2008-11-20 |
| 20080284350 | BULB TYPE DETECTOR FOR DIMMER CIRCUIT AND INVENTIVE RESISTANCE AND SHORT CIRCUIT DETECTION - A bulb detection circuit is associated with a dimmer circuit for a lighting system. The bulb detection circuit is operable to detect whether an incandescent or a fluorescent bulb is received in an electric light socket. The socket may be hardwired to the circuit, or could be plugged into an electrical outlet. The bulb detection circuit may utilize a separately inventive method of measuring the resistance by looking at an RC circuit time constant. Further, the bulb detection circuit may utilize a separately inventive method of identifying a short circuit by again looking at the RC circuit time constant. | 2008-11-20 |
| 20080284351 | Ignition Module for Gas Discharge Lamp - The present invention relates to an ignition module for a gas discharge lamp, said ignition module comprising: a first module for generating a first series of pulse from a low frequency driving signal, a second module for generating a second series of pulse from a high frequency driving signal, and a superposing and boosting module for boosting module for superposing and increasing said first series of pulse and said second series of pulse so as to generate an output pulse intended to break down the gas in said gas discharge lamp. Via this invention, a high effective OCV can be easily obtained without increasing the DCBUS, and the ignition of the gas discharge lamp is improved. | 2008-11-20 |
| 20080284352 | Control of Delivery of Current Through One or More Discharge Lamps - Control of delivery of current through one or more discharge lamps. Methods include alternately switching on and off switching elements that control a fluorescent lamp, in response to receiving input, until the brightness of the lamp decreases to a threshold. Further, methods include providing control signals at complementary duty cycles to further decrease the brightness and alternating the duty cycles of the signals applied to the filaments of the fluorescent lamp. | 2008-11-20 |
| 20080284353 | LIGHTING APPARATUS CAPABLE OF PROTECTING EYESIGHT - Disclosed herein is a lighting apparatus using one or more fluorescent lamps. The lighting apparatus according to the present invention includes one or more sockets, a board, a ballast, and a Direct Current (DC) power supply. The sockets accommodate the fluorescent lamps. The board supports Light Emitting Diodes (LEDs) for emitting green light in a wavelength range of 498 to 530 nm, LEDs for emitting red light in a wavelength range of 620 to 700 nm, and LEDs for emitting bluish green at 495 nm. The ballast provides a ballast function to the fluorescent lamps. The DC power supply supplies DC power to the LEDs. | 2008-11-20 |
| 20080284354 | LIGHT EMITTING DIODE BACKLIGHT MODULE AND A DRIVING METHOD THEREOF - A light emitting diode (LED) backlight module includes a light emitting matrix, M row signal lines, N column signal lines, a row driver and a column driver. The light emitting matrix has multiple LED units arranged in M rows and N columns. The row driver in use outputs M row-driving signals to sequentially enable M rows of the LED units via the M row signal lines. The column driver in use sequentially outputs 1 | 2008-11-20 |
| 20080284355 | Method and Driving Circuit for Operating a Hid Lamp - To avoid acoustic resonance in a gas discharge lamp, a lamp current constituted of a number of frequencies is supplied to said lamp. Using a number of frequencies, the total power supplied to the lamp is distributed over said number of frequencies. Since the power per frequency is relatively low, the possibility of occurrence of an acoustic resonance is low irrespective of the characteristics of the gas discharge lamp. The current may comprise a number of frequencies by applying a number of sinusoidal currents or by using a non-sinusoidal current. | 2008-11-20 |
| 20080284356 | Remote Dimmable Energy-Saving Device for Fluorescent Lamps - A remote dimmable energy-saving device (fluorescent lamp) ( | 2008-11-20 |
| 20080284357 | BALLAST CONTROL IC WITH MINIMAL INTERNAL AND EXTERNAL COMPONENTS - A ballast controller integrated circuit which executes a specific set of instructions via an integrated state diagram architecture to control a fluorescent lamp or high intensity discharge lamp and protect the ballast. The state diagram architecture controls powering up and down of the IC and the half-bridge circuit driven by the IC, preheating and striking of the lamp, running of the lamp, sensing for numerous possible fault conditions, and recovering from these fault conditions based on the normal maintenance of a lamp, while requiring fewer internal and external components than previous electronic ballasts. | 2008-11-20 |
| 20080284358 | Controller for Electromechanical Braking System with Power Demand Control and Method - A system and method for limiting peak power demand of a controller ( | 2008-11-20 |
| 20080284359 | OSCILLATION DEVICE, OPTICAL DEFLECTION APPARATUS, AND DRIVE-SIGNAL GENERATING METHOD - An oscillation device capable of generating a drive signal waveform with a sufficiently small number of harmonic components is provided. The oscillation device includes an oscillation system, a supporting unit configured to support the oscillation system, a drive unit configured to drive the oscillation system, and a drive control unit configured to control the drive unit by supplying a drive signal. The oscillation system includes a torsion spring and an oscillator. The drive control unit includes a drive-signal generating circuit configured to generate the drive signal using an address generator configured to generate an address to which a predetermined variable is added at a frequency higher than a frequency of the drive signal and using a trigonometric-function table indexed by an output of the address generator. The frequency of the drive signal is adjusted by adjusting the predetermined variable. | 2008-11-20 |
| 20080284360 | BLOCK SWITCHING TRANSIENT MINIMIZATION FOR LINEAR MOTORS AND INDUCTIVE LOADS - A block switch controller for a linear motor is disclosed, the block switch controller having a motor current threshold profile controlling the switching of a plurality of block switches in a linear motor. Also, a block switch controller for a linear motor comprising a closed loop vector current controller that incorporates a delay state having a feedback gain is disclosed. Additionally, a method of switching a plurality of block switches that minimizes switching transients is provided. Finally, an article of manufacture containing computer code implementing a modeling and simulation program for modeling a linear motor system is provided. | 2008-11-20 |
| 20080284361 | Method and Circuit For Regulating the Speed of a Commutator Series-Wound Motor - The invention relates to a method and a circuit for regulating the speed of a commutator series-wound motor, especially a universal motor ( | 2008-11-20 |
| 20080284362 | Adjusting Device and Control Device of a Vehicle - The invention relates to a control device of a vehicle seat for controlling a first drive and a second drive and for detecting jamming of a body part or of an object by means of an adjusting movement of an adjusting part, which can be adjusted in a first adjusting direction by means of the first drive and in a second adjusting direction by means of the second drive, of the vehicle seat, wherein the control device is configured to detect the jamming by means of a combined evaluation of at least one first force variable which is dependent on the adjusting movement and of a second force variable which is dependent on the adjusting movement. | 2008-11-20 |
| 20080284363 | Hybrid electric cleaning device - A cleaning device includes a housing configured with a working element. The device also includes a motor configured for urging motion of the working element. The device also includes a power control module which may be electrically connected with at least one of the motor, a first power source configuration and a second power source configuration. Electric current is provided to the motor by the first and/or the second power source configurations. The first power source configuration may be electrically connected to a battery assembly having a DC power output. The second power source configuration may be electrically connected to a power inverter which may receive AC power and output DC power to the second power source configuration. The motor may be one of a permanent magnet DC (PMDC) motor, a universal motor and an induction motor, the motor receiving power via the power control module from at least one of the first power source configuration and the second power source configuration. | 2008-11-20 |
| 20080284364 | ELECTRONICALLY COMMUTATED ASYNCHRONOUS MOTOR - An electronically commutated asynchronous motor ( | 2008-11-20 |
| 20080284365 | SERVO SYSTEM FOR A TWO-DIMENSIONAL MICRO-ELECTROMECHANICAL SYSTEM (MEMS)-BASED SCANNER AND METHOD THEREFOR - A servo control system micro-electromechanical systems (MEMS)-based motion control system (and method therefor), includes a motion generator having an inherent stiffness component. | 2008-11-20 |
| 20080284366 | APPARATUS AND MEHTODS FOR DIAGNOSING MOTOR-RESOLVER SYSTEM FAULTS - Apparatus and methods are provided for diagnosing faults in multiple, associated motor-resolver systems. One apparatus includes a swapping circuit coupling a first resolver to a first or second decoder, and a swapping circuit coupling a second resolver to the first or second decoder. One method includes applying a signal from a resolver to a first decoder to determine that the first decoder is malfunctioning if the first decoder continues to generate a fault signal, and applying a signal from a different resolver to a second decoder to determine that a motor associated with the first decoder is malfunctioning if the second decoder generates a fault signal. Another method includes transmitting a signal from a resolver to first and second decoders, transmitting a signal from a different resolver to the first and second decoders, and determining if the first decoder, second decoder, a first motor, or a second motor is malfunctioning. | 2008-11-20 |
| 20080284367 | Power Converter - A power converter is provided with a rectifying circuit, an inverter circuit, and a common mode filter including a common mode choke coil and a capacitor. The switching frequency of a PWM rectifying circuit is set at three times the switching frequency of a PWM inverter. Alternatively, the resonance frequency of the common mode filter is set at twice the carrier frequency of the rectifying circuit or the PWM inverter circuit or more. | 2008-11-20 |
| 20080284368 | Apparatus and Method for Driving 2-Phase Srm - Disclosed is an apparatus and method for driving a 2-phase SRM capable of individually performing an initial driving by an initializing sensor and a normal driving by a driving sensor, and capable of controlling a rotation speed of the SRM by delaying a phase signal by a half period and then generating a pulse width modulation signal based on the period. The apparatus comprises: a driving sensor which detects a position of a rotor thus to generate a driving sensor signal based on a result of the detection; a microprocessor which generates a 1-phase signal and a 2-phase signal based on a rising time and a falling time of the driving sensor signal at the time of a normal driving; an oscillator which generates first and second pulse width modulation signals delayed by a preset time; and a multiplying unit which multiplies the 1-phase and 2-phase signals with the first and second pulse width modulation signals, and generates 1-phase and 2-phase driving signals based on a result of the multiplication. | 2008-11-20 |
| 20080284369 | Power converters - The present invention is directed to a power converter that can be used to interface a motor | 2008-11-20 |
| 20080284370 | Portable Battery Operated Power Supply - A portable battery-powered power supply or charger for use with electronic devices containing a primary or secondary battery. In order to control the current flow into and out of its battery, the portable power supply uses a bidirectional charge controller. The battery is installed in a housing which preferably has a single connector port to which a flexible current lead may be plugged. The bidirectional charge controller enables the battery either to supply current to the electronic device, to charge the device's internal battery, or it allows the battery, if it is a secondary battery, to be charged by connection to an externally powered charger, such as a wall mains adapter. Both of these functions are achieved through a single connection port. | 2008-11-20 |
| 20080284371 | Multi-functional power storage and supply device - Disclosed herewith a multi-functional power storage and supply device for providing power to a variety of portable electronic devices includes a housing having a battery mounting surface. A battery pack is electrically and detachably attached to the battery mounting surface of the housing. At least one rechargeable battery is disposed within the battery pack, and is provided with a pair of outputs. A power charging circuit connectable to an external power source is arranged to charge the rechargeable battery with a charging voltage via a charging circuit once the device is connected to a power source. And at least one USB port is connected to the power charging circuit, and which is in turn connected to the outputs of the battery via a boosting circuit for charging an electronic device coupled thereon with the external power source or the power stored in the battery. | 2008-11-20 |
| 20080284372 | Submersible/sterilizable battery - A battery pack for a sterilizable instrument, such as a medical endoscope. The battery pack includes batteries removably positioned within an enclosure which mounts a first grouping of electrical contacts engaged with the battery contacts. The enclosure includes an outer end wall which sealingly encloses the first grouping of contacts. The outer end wall mounts a second grouping of electrical contacts which are normally resiliently maintained in a first position spaced from the contacts of the first grouping. The contacts of the second grouping sealingly penetrate through the outer end wall. When the battery pack is engaged on the instrument, the contacts of the second grouping engage third contacts on the instrument, causing the contacts of the second grouping to move into a second position where they directly engage contacts of the first grouping to provide electrical power to the instrument. When the battery pack is removed from the instrument, the contacts of the second grouping are resiliently returned to the first position, whereupon the batteries can be sterilized. | 2008-11-20 |
| 20080284373 | CORDLESS POWER TOOL SYSTEM HAVING SLIDABLY-ENGAGING POWER SOURCE CONNECTION - A system of cordless power tools includes a cordless power tool adapted to removably receive a rechargeable battery pack. The battery pack and the power tool can have complementary grooves and rails or L-shaped surfaces that aid in aligning the positive and negative blade terminals of the battery pack to the positive and negative tool terminals, respectively, of the power tool. | 2008-11-20 |
| 20080284374 | ELECTRICAL APPLIANCE AND CHARGER - An apparatus includes a charger ( | 2008-11-20 |
| 20080284375 | CELL CONTROLLER, BATTERY MODULE AND POWER SUPPLY SYSTEM - A cell controller with excellent reliability in which noise and soon are suppressed is provided. The cell controller includes, corresponding to the number of cell packs, a plurality of ICs each having a voltage detecting circuit detecting voltages of respective cells of a cell pack in which four cells are connected in series, a switch control circuit controlling conduction and a blocking operation of a plurality of switch elements connected in parallel to the respective cells via capacity adjusting resistors, a LIN1 terminal for inputting control information, a LIN2 terminal for outputting control information, a Vcc terminal and a GND terminal, and a LIN2 terminal of a higher-order IC and a LIN1 terminal of a lower-order IC are connected in a daisy chain. The Vcc terminal of each IC is connected to a positive electrode of a higher-order cell among cells constituting a corresponding cell pack via an inductor L for eliminating noise, and the GND terminal is coupled directly to the Vcc terminal of the lower-order IC. Noise is not superposed on the LIN1, LIN2 terminals. | 2008-11-20 |
| 20080284376 | ENERGY STORAGE TYPE FEEDER VOLTAGE COMPENSATION APPARATUS AND METHOD OF CONTROLLING FEEDER VOLTAGE - An energy saving type feeder voltage compensation apparatus improved in availability at low temperatures, wherein when a electric energy storage apparatus is lower in temperature than a predetermined value, an output voltage output to a feeder side is made equal to or higher than a no-load output voltage of a substation connected in parallel. Power is supplied to a power running rolling stock preferentially from the electric energy storage apparatus. The heating value of the secondary battery is increased and the battery temperature is raised by this discharging, whereby internal resistance of the electric energy storage apparatus is lowered, and the charging and discharging loss is suppressed, and the efficiency and availability of the energy saving type feeder voltage compensation apparatus as a whole are improved. | 2008-11-20 |
| 20080284377 | BATTERY CHARGING APPARATUS - An exemplary battery charging apparatus for charging a storage battery includes a power input configured for receiving power from a voltage source, a zener diode, a voltage divider, a driving circuit, a switching circuit, and a power output. The cathode of the zener diode is connected to the power input, the anode of the zener diode is connected to ground via the voltage divider. The driving circuit has an input connected to an output of the voltage divider, an output connected to a first terminal of the switching circuit, a second terminal of the switching circuit is connected to the power input, a third terminal of the switching circuit is connected to the power output which is connected to the storage battery. The battery charging apparatus can protect the storage battery from being charged by over voltage. | 2008-11-20 |
| 20080284378 | Method and Device for Controlling the Operating Point of a Battery - Disclosed is a method for controlling the operating point (AP, AP | 2008-11-20 |
| 20080284379 | BATTERY CHARGER AND METHOD - [Problem to be Solved] To efficiently charge a battery via a charger at a higher possible charging current that is within the range where no trouble due to the temperature occurs in the charger. | 2008-11-20 |
| 20080284380 | BATTERY CHARGING APPARATUS - A battery charging apparatus connects secondary batteries of the battery pack, plurality of charge terminals and two discharge terminals to form plurality charge paths and a discharge path, which has a main switch provided on the discharge path, a main controller connecting the battery pack and the main switch, plurality of sub switches provided on the charge paths, plurality of sub controllers connecting secondary batteries of the battery pack and corresponding sub switches, a thermal controller connecting the main controller and a temperature switch. The temperature switch connects the sub switches. The main controller and sub controllers monitor charge state and discharge state of the battery pack to set the main switch and sub switches cut off the discharge path and the charge paths. The thermal controller monitors temperature of the battery pack and main switch to set the main switch and the sub switches cut off the discharge path and the charge paths. | 2008-11-20 |
| 20080284381 | PORTABLE ELECTRONIC DEVICE INCLUDING ELECTRIC GENERATOR - A portable electronic device includes a case; a revolution body rotatable with respect to the case; an electric generator converting rotational kinetic energy of the revolution body into electrical energy; a gear assembly transferring rotational force of the revolution body to the electric generator, and including at least one gear; and a secondary cell storing the electrical energy generated by the electric generator. | 2008-11-20 |
| 20080284382 | CHARGING CONTROL CIRCUIT - A primary cell and a secondary cell are distinguished from each other. A microcomputer of a digital camera determines a first cell (a primary cell) and a second cell (a secondary cell) as a built-in cell. When a dedicated charging device is connected to a digital camera, a microcomputer activates transistor switches to thus detect a terminal voltage of the second cell. When the terminal voltage shows a finite value, the second cell is determined to be incorporated. When the terminal voltage shows a value of essentially zero, the transistor switch is activated to thus apply a predetermined voltage. When a voltage drop attributable to a resistor has arisen, the second cell is determined to be overcharged. When both a terminal of the second cell and a terminal of the first cell show finite values, a short circuit is determined to have arisen. | 2008-11-20 |
| 20080284383 | Charge Detector - The subject matter of this specification can be embodied in, among other things, an apparatus that includes a battery system, which includes at least one cell and a charge enable device to couple the at least one cell to a charging voltage. The apparatus also includes an excessive voltage detector to output a signal to control the charge enable device. The signal prevents charging of the at least one cell if an excessive charging voltage is detected based on an activation of a clamping component. | 2008-11-20 |
| 20080284384 | VEHICLE-USE POWER SUPPLY CONTROL APPARATUS - The vehicle-use power supply control apparatus includes a first battery supplying electric power to a load, an alternator driven by a vehicle engine, a second electric accumulator parallel-connected to the first battery, an electric power converter performing two-way power transmission between the first and second batteries, and a power supply control unit. The power supply control includes a function of setting a target power generation efficiency index, a function of setting a target power generation amount of the alternator on the basis of the target power generation efficiency index, while referring to a map defining relationship between a power generation efficiency index and a power generation amount of the alternator, and a function of controlling an amount and a transmission direction of transmission power of the electric power converter in order that an amount of electric power generated by the alternator becomes equal to the target power generation amount. | 2008-11-20 |
| 20080284385 | HIGH EFFICIENCY GENERATOR - A generator system that includes a three-phase AC machine and an active rectifier bridge employing low on-resistance MOSFET switches for converting the AC current from the machine to a DC current. The system also includes a switch control circuit to switch the MOSFET switches in synchronization with the three-phase current flow. The system determines the phase-to-ground voltages of the machine as inputs to the switch control circuit. The control circuit calculates the phase-to-phase voltages from the phase-to-ground voltages. The control circuit then determines if each of the phase-to-phase voltages is above or below first and second predetermined threshold voltages, where if the phase-to-phase voltage is above the first threshold voltage, the control circuit closes the switch, and if the phase-to-phase voltage is below the second threshold voltage, the control circuit opens the switch. | 2008-11-20 |
| 20080284386 | Control Device for Vehicle Ac Generator - A highly reliable control device for an AC generator without using a transistor and diode having high withstand voltage is provided. | 2008-11-20 |
| 20080284387 | BIDIRECTIONAL NO LOAD CONTROL WITH OVERSHOOT PROTECTION - A method of operating an isolated bi-directional dc/dc converter to provide voltage regulation at a no-load condition over a wide voltage range and also provide overshoot protection for the boost mode main switching transistors uses new boost mode drive waveforms. The new waveforms drive switches S | 2008-11-20 |
| 20080284388 | METHODS AND APPARATUS TO HANDLE A REFERENCE VOLTAGE CHANGE IN A DIGITAL POWER SUPPLY - An example disclosed method to handle a reference voltage change in a digital power supply includes receiving a first value associated with a first reference voltage having a first voltage magnitude at a digital signal processor of a digital power supply, comparing the first reference voltage to an output voltage of the digital power supply, controlling the digital power supply based on the comparison between the first reference voltage and the output voltage, receiving a second value associated with a second reference voltage having a second voltage magnitude, determining that the first voltage magnitude is different than the second voltage magnitude, in response to determining that the second voltage magnitude is different than the first voltage magnitude, determining a voltage profile, and controlling the digital power supply based on the voltage profile. | 2008-11-20 |
| 20080284389 | POWER SUPPLY APPARATUS - A power supply apparatus that supplies an operating voltage to a microcomputer reliably resets the microcomputer before operation becomes unstable when an external power supply voltage decreases due to interruption. A switching regulator and series regulators are included. An externally supplied power supply voltage is stepped down to generate an intermediate voltage. The intermediate voltage is stepped down to generate an operating voltage for a microcomputer core. The intermediate voltage is stepped down to generate an operating voltage for an I/O port. When the intermediate voltage becomes lower than a reset determining voltage, the power supply apparatus outputs a reset signal to the microcomputer. When the power supply voltage decreases, the microcomputer can be reliably reset and the core can be prevented from operating erratically before the voltage becomes lower than a minimum core operating voltage. | 2008-11-20 |
| 20080284390 | DC-DC CONVERTER - A DC-DC converter includes a series circuit of a switch element Q | 2008-11-20 |
| 20080284391 | FAULT PROTECTION CIRCUIT, METHOD OF OPERATING A FAULT PROTECTION CIRCUIT AND A VOLTAGE REGULATOR EMPLOYING THE SAME - Embodiments of the present disclosure provide a fault protection circuit, a method of operating a fault protection circuit and a voltage regulator. In one embodiment, the fault protection circuit is for use with the voltage regulator and includes an output power section having first and second MOS transistors configured to provide a regulated voltage on an output node of the voltage regulator. The fault protection circuit also includes a gate pull-down section connected to the first and second MOS transistors and configured to provide a gate pull-down MOS transistor to limit a current through the first and second MOS transistors during a current overload fault condition on the output node. | 2008-11-20 |
| 20080284392 | Constant voltage power supply circuit and method of testing the same - A constant voltage power supply circuit is provided with a constant voltage circuit part to convert an input voltage into a predetermined constant voltage, a first excessive current protection circuit part to control the constant voltage circuit part so as to reduce the output voltage while maintaining an output current that is output to a predetermined maximum value if the output current is greater than or equal to the predetermined maximum value when the output voltage is a rated voltage, and a second excessive current protection circuit part to control the constant voltage circuit part so as to reduce the output voltage and the output current and to output a short-circuit current if the output voltage decreases to a ground voltage when the output voltage is decreased to a predetermined value by the first excessive current protection circuit part. The second excessive current protection circuit part is disabled in response to a first test signal that is active. | 2008-11-20 |
| 20080284393 | Reduced Noise Low Drop Output Arrangement - Implementations related to low drop output (LDO) circuit arrangements are presented herein. | 2008-11-20 |
| 20080284394 | Low dropout voltage regulator with improved voltage controlled current source - Techniques pertaining to designs of a compensation voltage controlled current source (VCCS) used in low dropout voltage regulators are disclosed. According to one aspect of the present invention, a compensation voltage controlled current source (VCCS) is so designed to meet the low input/output voltage requirements. Various features of the VCCS are demonstrated through several embodiments. | 2008-11-20 |
| 20080284395 | Low Dropout Voltage regulator - Techniques pertaining designs of LDO voltage regulators are described. According to one design, the LDO voltage regulator comprises: a differential amplifier circuit having a pair of input terminals and an output terminal, one of the input terminals coupled to a predetermined reference voltage; an intermediate amplifier circuit having an output terminal and an input terminal coupled to the output terminal of the differential amplifier circuit; and an output pass circuit comprising a pass transistor, an output resistor and an output capacitor, the pass transistor having a control terminal coupled to the output terminal of the intermediate amplifier circuit, an input terminal coupled to a power supply and an output terminal coupled to one terminal of the output resistor, the other terminal of the output resistor taken as a voltage output node, the output capacitor coupled between the voltage output node and a ground reference; a feedback circuit including a pair of ladder resistors coupled in series between the voltage output node and the ground reference, a node between the ladder resistors coupled to the other one of the input terminals of the differential amplifier circuit; and a voltage controlled current source circuit having an input terminal coupled to a node between the pass transistor and the output resistor of the output pass circuit and an output terminal coupled to the node between the ladder resistors. | 2008-11-20 |
| 20080284396 | SEMICONDUCTOR DEVICE PROVIDED WITH FEEDBACK CIRCUIT INCLUDING RESISTIVE ELEMENT AND CAPACITIVE ELEMENT - The present invention provides a switching power supply circuit capable of stabilizing an output voltage as well as increasing a response speed of the output voltage by improving a phase margin of an open loop as a whole of the switching power supply circuit. The switching power supply circuit according to the present invention includes a resistor and a capacitor in addition to a configuration of a conventional switching power supply circuit. The resistor is connected between a node and the capacitor. The capacitor is connected between the resistor and another node. The resistor and the capacitor configure a phase compensation circuit. The phase compensation circuit has a cut-off frequency in accordance with a resonance frequency of an inductor and a capacitor by adjusting a resistance value of the resistor and a capacitance of the capacitor. | 2008-11-20 |
| 20080284397 | Digital voltage converter and control method thereof - In a digital boost or buck-boost converter, a pulse width modulation signal has an on-time and an off-time. A constant off-time period is provided to set the off-time to be constant, and an on-time period to determine the on-time is derived by monitoring the output voltage of the converter. With the constant off-time, the output voltage and the on-time period will have a linear relation, thereby reducing the output ripple when the converter operates with a high duty-ratio. | 2008-11-20 |
| 20080284398 | Controller having comp node voltage shift cancellation for improved discontinuous conduction mode (DCM) regulator performance and related methods - A modulation controller includes an error amplifier which receives a reference voltage and an output voltage (V | 2008-11-20 |
| 20080284399 | METHODS AND APPARATUS FOR CONTROLLING A DIGITAL POWER SUPPLY - Methods and apparatus for controlling a digital power supply are disclosed. An example method includes storing a first set of coefficients for controlling a digital power supply in a memory of the digital power supply, associating the first set of coefficients with a first set of characteristics of an input voltage for the digital power supply, storing a second set of coefficients for controlling the digital power supply in the memory of the digital power supply, associating the second set of coefficients with a second set of characteristics of the input voltage, receiving a first voltage from a voltage source at the digital power supply, determining that the first voltage has the first set of characteristics, and, in response to determining that the first voltage has the first set of characteristics, applying the first set of coefficients to the digital power supply. | 2008-11-20 |
| 20080284400 | METHODS AND APPARATUS TO MONITOR A DIGITAL POWER SUPPLY - Methods and apparatus to monitor a digital power supply are disclosed. An example method includes receiving a voltage from a voltage source at a digital power supply, controlling the voltage using a power factor controller and a direct current (DC) to DC converter to generate an output voltage, controlling the output voltage using a signal processor to generate control signals based on receiving instructions, controlling the power factor controller and the DC to DC converter with a digital signal processor using the control signals, and copying an operating parameter from a register or a memory location of the digital signal processor to a memory buffer of the digital power supply. | 2008-11-20 |
| 20080284401 | METHODS AND APPARATUS TO CONTROL A DIGITAL POWER SUPPLY - Methods and apparatus to control a digital power supply are disclosed. An example method includes calculating a duty cycle of a pulse width modulated signal to control an output of a digital power supply, initializing an output of a counter that forms a pulse width modulator to increment by a first increment up to a counter maximum value for a first period and to decrement by the first increment for a second period, dividing the duty cycle by a constant to determine a multiple of the duty cycle to apply to each power stage of the power supply, calculating a first threshold percent by subtracting the multiple of the duty cycle from one hundred percent, setting a first threshold to be the first threshold percent multiplied by the counter maximum value, and controlling the power factor controller based on the first threshold. | 2008-11-20 |
| 20080284402 | Power Supply Unit and Portable Apparatus Using the Same - A power supply unit comprises a series regulator and a switching DC-DC converter controlled by a PWM signal and connected in parallel with the series regulator, which are switchably enabled by a mode instruction signal depending on the magnitude of a load current. In switching the series regulator and the DC-DC converter, they are simultaneously enabled for a predetermined overlapping time. Further, in changing the operating condition of the DC-DC converter, the width of the PWM signal is shortened to extend the dead time of the DC-DC converter by a predetermined period, thereby suppressing free oscillations and accompanying overshoots that could take place in the power supply unit during switching. | 2008-11-20 |
| 20080284403 | High-side current sense circuit with common-mode voltage reduction - A high-side current sense circuit comprises a sense resistance R | 2008-11-20 |
| 20080284404 | Semiconductor device having an integrated, self- regulated PWM current and power limiter and method - A method includes receiving an activation signal at a semiconductor device and generating an output power signal at the semiconductor device in response to receiving the activation signal. The output power signal has a duty cycle. The method also includes providing the output power signal to a load. The output power signal provides power to the load. An amount of power provided to the load is based on the duty cycle of the output power signal. In addition, the method includes adjusting the duty cycle of the output power signal using at least one of a current limiter and a power limiter integrated in the semiconductor device. | 2008-11-20 |
| 20080284405 | Enhanced Cascode Performance By Reduced Impact Ionization - The conventional cascode circuit can be improved by adding another transistor in series. The added transistor may use the body effect to reduce supply voltage variations across the cascode transistor as the supply voltage varies. The added transistor reduces impact ionization in the cascode transistor. | 2008-11-20 |
| 20080284406 | Adaptive bias current generator methods and Apparatus - In one aspect, a method of reducing power consumption in a circuit by adaptive bias current generation of a bias current configured to bias, at least in part, at least one amplifier of the circuit is provided. The method comprises establishing the bias current based, at least in part, on a reference frequency of a reference clock providing a clock signal to at least one component of the circuit, and changing the bias current in response to a change in the reference frequency of the at least one reference clock, the bias current being change non-linearly with respect to the change in the reference frequency of the at least one reference clock. In another aspect, the method comprises establishing the bias current based, at least in part, on a capacitance of a reference capacitor, and changing the bias current in response to a change in the capacitance of the reference capacitor such that the bias current is changed non-linearly with respect to changes in the capacitance of the reference capacitor. | 2008-11-20 |
| 20080284407 | ELECTRONIC CIRCUIT POWER SUPPLY DEVICE AND ELECTRONIC CIRCUIT - An electronic circuit power supply device configured to selectively apply at least one first voltage or one second voltage to a power supply terminal of the electronic circuit that includes elements for applying to the power supply terminal a voltage variable from a value equal to the first voltage to a value equal to the second voltage and elements designed for selecting application of the second voltage to the power supply terminal when the variable voltage reaches the second voltage. | 2008-11-20 |
| 20080284408 | Sequential calibration of matched current sources - A system involves LED strings and programmable current source circuits (CSC). An LED current flows through each LED string. Each LED current is controlled by an associated programmable CSC. In one embodiment, the CSCs form a chain. A first CSC uses a reference current for calibration, and thereafter supplies the reference current to the next CSC. When the next CSC detects the reference current, it uses the reference current for calibration. CSCs are calibrated one by one down the chain. In a second embodiment, each CSC can receive the reference current from a common conductor. If the common conductor is detected to be available, then the CSC uses the reference current for calibration. When the conductor is in use, the other CSCs detect the conductor as unavailable and do not attempt to self-calibrate. The CSCs use the reference current one by one, but in an order that changes over time. | 2008-11-20 |
| 20080284409 | Signal Recognition Method With a Low-Cost Microcontroller - The present invention relates to a signal recognition method provided that the signal is limited in time and is periodic, comprising obtaining the envelope, taking samples of the instantaneous value of its amplitude which, by means of several time parameters and their comparison with different reference matrixes, allows identifying the belonging thereof to one of said matrixes by means of the use of a low-cost microcontroller, given that the required computational power is to perform basic computation operations incorporated in the simplest microcontrollers. | 2008-11-20 |
| 20080284410 | Clamp-on current and voltage module for a power monitoring system - A clamp-on current and voltage module for an electrical power monitoring system that monitors characteristics of power distributed through one or more power conductors includes a current transformer having a core divided into at least two parts so that the core can be installed around a power conductor without cutting the conductor. The transformer produces a current signal corresponding to current passing through the power conductor. A pair of clamping elements fit on opposite sides of the conductor, for gripping the conductor. The transformer core parts and the clamping elements have engaging surfaces that prevent relative movement between the CT enclosure and the power conductor in a direction transverse to the axis of the power conductor. A voltage sensor makes electrical contact with the power conductor and produces a voltage signal corresponding to the voltage on the power conductor. | 2008-11-20 |
| 20080284411 | Method and Circuit Provided for Measuring Very Low Intensity of Electric Current - The measurement of a very low intensity of an electric current is carried out by integrating the electric current over integration cycles having a time period ti and measuring a peak value of a sawtooth voltage at an integrated circuit output each time at the end of the integration cycle, whereat noise voltage components of a frequency above a cut-off frequency, which has a value of the order of magnitude (0.1×2π×ti) | 2008-11-20 |
| 20080284412 | SYSTEM FOR TRANSFERRING TEST TRAYS AND A HANDLER HAVING SAME - A system and method is provided for transferring multiple test trays within a test handler. The system includes at least one moving member having a pushing member that pushes a first test tray and a pulling member that pulls on a projection on a second test tray to move the first and second test trays simultaneously with the moving member. The system also includes a second plate to which the at least one moving member is fixed, and a first plate to which the second plate is movably fixed. A handler may be equipped with this system so that two test trays may be moved at the same time to decrease overall processing time and improve efficiency and productivity of the handler. | 2008-11-20 |
| 20080284413 | Method and system for detection of biomaterials using magnetic marker - Accurate measurement cannot be performed due to magnetic signals from magnetic impurities included in a specimen container. By finding a difference between two measurement signals obtained by applying an external magnetic field for orientation to respective normal and reverse directions, the magnetic signals from the magnetic impurities included in the specimen container which are not dependent on the external magnetic field for orientation can be cancelled. The influence of the magnetic impurities included in the specimen container is reduced, and the signal of the intended bound magnetic marker can be measured with high sensitivity. | 2008-11-20 |
| 20080284414 | Hysteresis Brake, Especially for an Electric Camshaft Adjuster - A hysteresis brake is provided, such as for an electric camshaft adjuster, has with an excitation coil, a stator with an inner and outer stator part, and a moveable rotor with a hysteresis band which is movable between the inner and outer stator part. The excitation coil, which produces a main magnetic flux for a magnetic adjuster is arranged between the inner and outer stator part. A sensor enables the rotor and/or the hysteresis band to receive a secondary magnetic flux caused by the main magnetic flux, or enables the excitation coil to receive the main flux. An evaluation and control unit evaluates the magnetic flux received and determines angle and/or rotational speed information from detected changes of the magnetic flux. | 2008-11-20 |
| 20080284415 | PISTON STROKE COUNTING DEVICE - The device for counting the strokes of a piston sliding within a cylinder comprises a support housing a magnet which generates a magnetic field. The support also houses a sensor arranged to sense the magnetic field, such that the passage of the piston into a position corresponding with the magnet causes a disturbance in the magnetic field, which is sensed by the sensor, to indicate a stroke of the piston. | 2008-11-20 |
| 20080284416 | POSITION DETECTION UTILIZING A ROTARY ARRAY OF MAGNETIC SENSORS WITH IRREGULAR SPACING BETWEEN SENSING ELEMENTS - A magnetoresistive sensor system includes a plurality of chip carriers, such that each integrated circuit among the plurality of chip carriers is associated with a respective magnetoresistive sensing components. A plurality of magnetoresistive sensing components can be arranged in a rotary array, wherein each magnetoresistive component among the plurality of magnetoresistive components is associated with a respective integrated circuit among the plurality of chip carriers and wherein the plurality of magnetoresistive sensing components comprises sensing components that are spaced irregular from one another in order to optimize the performance of the rotary array and meet requirements of a particular magnetoresistive sensing application. | 2008-11-20 |
| 20080284417 | INCREMENTAL DISPLACEMENT TRANSDUCER AND METHOD FOR DETERMINING A DISPLACEMENT OF A FIRST OBJECT RELATIVE TO A SECOND OBJECT - The invention relates to an incremental displacement transducer for determining a displacement of a first object relative to a second object with a scanning unit linked with the first object for scanning a division track linked with the second object having first areas and second areas alternately arranged with a period length, the first areas having a first physical property and the second areas a second physical property differing therefrom. The scanning unit has a plurality of sensors for scanning the first areas and second areas on the basis of the first and/or second physical property. An evaluating unit is linked with the scanning unit for determining the displacement on the basis of the measuring signals of the sensors. | 2008-11-20 |
| 20080284418 | Systems and Methods for Determining the Position of an Electrical Solenoid - Provided herein are systems and methods which use the solenoid itself to sense the position of the armature within the solenoid, and therefore to determine the position of the solenoid's armature, and or any related devices whose movement is dependent on the armature's movement. Specifically, a system in which the change in self-induction that occurs when the armature moves relative to the solenoid coil is used to detect the location of the armature. | 2008-11-20 |
| 20080284419 | Magnetic Material Sensor and Detection Method Employing this Sensor, and Target Material Detection Sensor and Target Material Detection Kit - The present invention provides an appropriately produced magnetic material sensor having a small size. | 2008-11-20 |
| 20080284420 | POSITION DETECTING DEVICE - Disclosed is a position detecting device provided with a magnetoresistive element that can accurately detect a position using a magnet and a detector that moves opposite to the magnet. A front surface of a magnet having a circular shape is magnetized to the N-pole, and a rear surface thereof is magnetized to the S-pole. A detector moves in the X-Y plane at a position that is spaced from the front surface of the magnet. The detector is provided with an X direction detecting element and a Y direction detecting element. The X direction detecting element and the Y direction detecting element are magnetoresistive elements. The front surface of the magnet is tapered such that the center thereof protrudes. | 2008-11-20 |
| 20080284421 | ROTATION ANGLE DETECTING DEVICE - A rotation angle detecting device includes a signal generator, a magnetic rotor and a rotation angle calculating unit that calculates a rotation angle θ of the rotor based on the output signals of the signal generator. The signal generator includes a magnetic rotor that has a permanent magnet and a shaft connectable with the rotating object and at least three magnetic sensor elements disposed in the magnetic field to generate a plurality of output signals when the rotor rotates. The rotation angle calculating unit calculates a first candidate of the rotation angle θ from a first pair of the three output signals, examines whether the first candidate of the rotation angle θ is normal or not and calculates a next candidate of the rotation angle θ from another pair of the three output signals if the first candidate of the rotation angle θ is not normal, examines whether the next candidate of the rotation angle θ is normal or not, repeats the above two steps until a next candidate of the rotation angle θ is judged normal, and outputs one of the first and next candidates of the rotation angle θ as a formal rotation angle if it is judged normal. | 2008-11-20 |
| 20080284422 | Method and Device for Analyzing Distribution of Coercive Force in Vertical Magnetic Recording Medium Using Magnetic Force Microscope - In a coercive force distribution analysis device, a magnetic field is applied in substantially vertical direction to a sample having a magnetic thin film capable of recording vertical magnetism. A magnetic flux detection signal is generated in accordance with the leaking magnetic flux generated from a magnetic domain of the sample surface while the sample is horizontally moved. A first and a second external magnetic field corresponding to a first and a second threshold value selected from hysteresis characteristic corresponding to the sample average magnetization are applied to the sample so as to generate image data on a first and a second magnetic domain. The first and the second image data are subjected to digitization processing by the first and the second threshold value and the difference between them is generated as a first coercive force distribution pattern. | 2008-11-20 |
| 20080284423 | Detecting device for a motor of a ceiling fan - The invention relates to a detecting device for a motor of a ceiling fan. The motor includes a stator, a rotor, a detecting device and a circuit board. The rotor is pivotally installed around a motor shaft and the detecting device is fixed on one surface of silica steel plates of the stator. The rotor has induction magnets, which respectively have their one end to be induced with the detecting device extended with a preset length able to cover at least a detectable range of the detecting device, so as to form a reliable detecting zone between the induction magnets and the detecting device. | 2008-11-20 |
| 20080284424 | SPIN DETECTION DEVICE AND METHODS FOR USE THEREOF - Embodiments of the invention are related to methods for and devices for performing electrical spin detection. A method for spin detection of charged carriers having a spin and forming a flux in a medium is disclosed, the method comprises measuring a first current on a first contact on the medium that has a first spin selectivity, measuring a second current on a second contact on the medium that has a second spin selectivity, comparing the first measured current and the second measured current, and deriving the average or statistically relevant spin state of the flux of charge carriers. Corresponding devices are disclosed. | 2008-11-20 |
| 20080284425 | Metal Detection System and Method - This application describes a system for contraband and weapons detection. The system comprises a coplanar sensor array, electronic drive circuitry, a data acquisition circuit, a video frame grabber, a video camera, and a computer control unit with a control module installed. Properly constructed and aligned, the system allows for the detection of very small magnetic moments, which surround ferromagnetic materials. This ferromagnetic detection allows users to screen personnel for contraband electronic devices and concealed weapons. | 2008-11-20 |
| 20080284426 | WATER MAPPING USING SURFACE NMR - A method for selecting a location of a wellbore includes: using a nuclear magnetic resonance (NMR) instrument deployed on a surface of a production area, determining a location of ground water in the production area; and locating the wellbore according to the location of the ground water. A system and a computer program product are disclosed as well as a method for performing steam assisted gravity recovery. | 2008-11-20 |
| 20080284427 | Chemical Exchange Saturation Transfer Based Mri Using Reporter Genes and Mri Methods Related Thereto - Featured are a new class of reporter genes including reporter compositions as well as methods, MRI systems and MRI imaging kits related thereto. The genes according to the present invention provide MR contrast when the sample/subject is irradiated at a specific off-resonance radio-frequency (RF frequency), where the contrast mechanism utilizes chemical exchange saturation transfer (CEST) technique for imaging. | 2008-11-20 |
| 20080284428 | Pet/Mr Scanner with Time-of-Flight Capability - In a combined scanner, a main magnet ( | 2008-11-20 |
| 20080284429 | Situ Hyperpolarization of Imaging Agents - The present invention generally relates to compositions, systems and methods for inducing nuclear hyperpolarization in imaging agents after they have been introduced into a subject. | 2008-11-20 |
| 20080284430 | MAGNETIC RESONANCE STAGE MICROSCOPE - A magnetic resonance (MR) microscope and a dual-mode optic and MR microscope system are disclosed, The MR microscope is provided with a horizontal stage above which a sample to be analyzed is located, a radiofrequency coil assembly located above the horizontal stage and below the sample, a magnetic field gradient module located under the horizontal stage, and a heat exchange unit thermally coupled to the magnetic field gradient module and located under the magnetic field gradient module. The dual-mode optic and MR microscope system is provided with an MR microscope and an optical microscope, the optical microscope comprising a mirror located above the sample | 2008-11-20 |
| 20080284431 | METHOD TO DETERMINE THE MEASUREMENT WORKFLOW OF A MAGNETIC RESONANCE TOMOGRAPHY APPARATUS IN THE GENERATION OF SLICE IMAGES OF A SUBJECT - In a method for determination of the measurement workflow of a magnetic resonance tomography apparatus in the generation of slice images of a subject, a number of slice images to be generated is established. A total number of measurement regions is established for each of the slice images, with one measurement being necessary for the acquisition of the data of each of the measurement regions. An individual measurement sequence is determined for each slice image, comprising an excitation and a determined number of successive measurements of different measurement regions of the appertaining slice image, with a number of measurement sequences being necessary for acquisition of all measurement regions of the appertaining slice image. The individual measurement sequences are to be distributed to a determined number of measurement streams is determined. An order is established as to the distribution of the entirety of measurements of a respective slice image among the measurement streams. | 2008-11-20 |
| 20080284432 | METHOD FOR CONTROLLING A MAGNETIC RESONANCE SYSTEM - In a method for controlling a magnetic resonance system with a number of individually controllable transmission channels, a limited number of antenna control parameter sets are available that are associated with respective different examination situation classes that are defined with regard to specific examination situation parameters. The antenna control parameter sets include, for each of the transmission channels, a channel value or a channel value combination with which a relative amplitude and a relative phase of a radio-frequency signal emitted via the appertaining transmission channel are defined. Respective current examination situation parameter values to be associated with the examination situation parameters for the magnetic resonance measurement to be implemented are then detected and one of the examination situation classes is selected based on this. The magnetic resonance measurement is then implemented with the antenna control parameter set associated with the selected examination situation class. | 2008-11-20 |
| 20080284433 | Ultra-low field nuclear magnetic resonance and magnetic resonance imaging to discriminate and identify materials - An ultra-low magnetic field NMR system can non-invasively examine containers. Database matching techniques can then identify hazardous materials within the containers. Ultra-low field NMR systems are ideal for this purpose because they do not require large powerful magnets and because they can examine materials enclosed in conductive shells such as lead shells. The NMR examination technique can be combined with ultra-low field NMR imaging, where an NMR image is obtained and analyzed to identify target volumes. Spatial sensitivity encoding can also be used to identify target volumes. After the target volumes are identified the NMR measurement technique can be used to identify their contents. | 2008-11-20 |
| 20080284434 | Visualizing High-Resolution Diffusion Data By Maximum Coherence Projection - A method for displaying diffusion data includes defining intra-voxel coherence and inter-voxel coherence of the diffusion data. On the basis of the inter-voxel coherence and the intra-voxel coherence, a multiplicity of tracks can be defined. Only those tracks having a selected characteristic are displayed. | 2008-11-20 |
| 20080284435 | Magnetic Resonance Coil Element With Embedded Electronics Module - A magnetic resonance imaging system includes main magnet ( | 2008-11-20 |
| 20080284436 | Imaging Region-Specific Radio Frequency Coils for Mri - A radio frequency coil includes a non-cylindrical conformal surface ( | 2008-11-20 |
| 20080284437 | Phantom for Diffusion Tensor Imaging - A phantom for Diffusion Tensor Imaging (DTI) to measure the main physical quantities of diffusion tensors, such as diffusion anisotrophy, a diffusion principal axis and a route of the diffusion principal axis, and to evaluate the accuracy of DTI are provided. The phantom for diffusion tensor imaging includes: an outer container providing a space; materials for diffusion measurement located in the space of the outer container and formed of bunches of microtubes; and materials for fixing located in the space of the outer container to fix the materials for diffusion measurement to a specific location. | 2008-11-20 |
| 20080284438 | MAGNETIC RESONANCE IMAGING APPARATUS - A magnetic resonance imaging apparatus includes a bed, a static field magnet, a gradient coil, a liner and a heat transfer material. The bed includes a table-top capable of placing thereon an object. The static field magnet generates a static magnetic field. The gradient coil, formed inside the static field magnet, generates gradient magnetic fields. The liner, provided inside the gradient coil, forms a bore in which the table-top is advanced or retreated. Further, the heat transfer material is attached to the liner. | 2008-11-20 |
| 20080284439 | SYSTEM AND METHOD FOR AMPLITUDE REDUCTION IN RF PULSE DESIGN - A system and method are provided for adjusting RF pulses and gradient waveforms to reduce B | 2008-11-20 |
| 20080284440 | Logging while drilling tool for obtaining azimuthally sensitive formation resistivity measurements - An apparatus for making azimuthally sensitive resistivity measurements of a subterranean formation is disclosed. The apparatus includes a magnetically permeably ring deployed about an electrically conductive tool body. An AC voltage supply is coupled to the tool body on opposing sides of the magnetically permeable ring, with at least one connecting conductor crossing outside the ring. Exemplary embodiments of this invention may further include one or more current sensing electrodes deployed in and electrically isolated from an outer surface of a blade deployed on the tool body and may be utilized to make azimuthally resolved formation resistivity measurements | 2008-11-20 |
| 20080284441 | UNDERWATER ELECTRIC FIELD ELECTROMAGNETIC PROSPECTING SYSTEM - The present invention, in various embodiments, is directed to a geophysical system and method in which a transmitter coil is oriented with its axis horizontally, and a sensor is positioned below the coil to measure an ambient electrical and/or magnetic parameter associated with a conductive medium surrounding the at least one transmitter coil. | 2008-11-20 |
| 20080284442 | Control of Delivery of Current Through One or More Discharge Lamps - Control of delivery of current through one or more discharge lamps. Methods include alternately switching on and off switching elements that control a fluorescent lamp, in response to receiving input, until the brightness of the lamp decreases to a threshold. Further, methods include providing control signals at complementary duty cycles to further decrease the brightness and alternating the duty cycles of the signals applied to the filaments of the fluorescent lamp. | 2008-11-20 |
| 20080284443 | Method for scientific research - A method providing comprehensive information about the properties of a type of electrochemical batteries at all stages of batteries resource exhaustion at their utilization which (properties) are connected with the action of the corresponding (for this utilization) influence on the batteries is realized through acquisition of the experimental data that contains the comprehensive information about these properties, creation of the known and new relevant quantities (on the basis of the acquired experimental data and some relevant parameters of the batteries) that characterize these properties, and study of the functional behavior of the created relevant quantities. | 2008-11-20 |
