| 32nd week of 2009 patent applcation highlights part 17 |
| Patent application number | Title | Published |
|---|
| 20090195160 | LIGHTING METHOD OF MICROWAVE EXCITATION DISCHARGE LAMP - To prevent the continuation of the abnormal state occurring immediately after the lighting start of the electrodeless discharge lamp excited by a DC driven magnetron and to recover promptly from the abnormal state at the steady state period. Lighting start of an electrodeless discharge lamp is performed in soft start mode. Increasing the power supply to the magnetron gradually, the lamp is turned into a lighting state for longer time than the time for the luminescence medium to evaporate fully absorbing microwave. At that period, the output of DC power supply is periodically cut off momentarily, resetting the abnormal state. Then, stable DC power is supplied. At the steady state period, the anode current of the magnetron is controlled to be constant. When rise of the operation voltage of the magnetron is detected, the output of DC power supply is cut off momentary to recover to the steady state. | 2009-08-06 |
| 20090195161 | EQUIPMENT AND METHODS FOR EMERGENCY LIGHTING THAT PROVIDES BROWNOUT DETECTION AND PROTECTION - The present invention relates to systems, equipment and methods that provide emergency lighting and allow the detection of brownout conditions. One aspect of the present invention is an emergency lighting system with an input voltage interface for receiving an input voltage, a brownout detection component for detecting a brownout condition on the input voltage and generating a brownout signal, a switch mode power converter for altering the input voltage; and an emergency lighting control and battery charging component for controlling the charging of a battery pack and receiving the brownout signal. Another aspect of the invention is a method of providing emergency lighting performed by receiving an input voltage; automatically establishing a brownout threshold relative to the input voltage; and detecting a brownout condition. | 2009-08-06 |
| 20090195162 | Low-power illumination system and associated barrier operator - A low-power illumination system for use with an associated barrier operator, or independently, comprises at least one illumination unit adapted to be operable via mains power and a backup power supply, such as a battery. Accordingly, if mains power fails, a low-power light element maintained by the illumination unit may be responsively powered by the backup power supply to provide backup lighting. Alternatively, the barrier operator may be configured to detect a mains power failure, such that when such failure is detected, an illumination command signal also needs sent to the at least one associated illumination unit causing for it to be illuminated. | 2009-08-06 |
| 20090195163 | Single LED String Lighting - A solid state lighting unit constituted of: a control circuitry; a single string of light emitting diodes, the single string constituted of a plurality of sections each comprising a plurality of light emitting diodes; and a plurality of bypass paths each responsive to the control circuitry, each of the plurality of bypass paths arranged to provide bypass to a particular one of the plurality of sections, wherein the control circuitry is operative to identify an open circuit condition of a particular one of the plurality of sections, and activate the bypass path arranged to bypass the open circuit section, thereby providing light through sections not exhibiting an open circuit condition. | 2009-08-06 |
| 20090195164 | INTELLIGENT LIGHT FOR CONTROLLING LIGHTING LEVEL - An intelligent light, such as a light for connecting with a low voltage line, is provided. The intelligent light includes a light source for coupling with a low voltage line, and a processor in communication with the light source and the low voltage line. The processor determines a voltage on the low voltage line and operates intermittent switching of the light source as a function of the determined voltage and the intermittent switching used to maintain an output level of the light source. | 2009-08-06 |
| 20090195165 | Lamp driving circuit of power source and charge/discharge device in parallel connection - An application for nightly outdoor lamps, road lamps, advertising lamps and nightly warning lights using daytime and nighttime as the period, wherein during daytime, it is at a preparation status of no power output to drive the lamps, and the AC to DC power is charged to the charge/discharge device, while during nighttime, the lamps are commonly driven by the parallel output of an AC to DC power and the discharged power from the charge/discharge device. | 2009-08-06 |
| 20090195166 | Light Output Control Method and Lighting System Using the Same - A light output control method for a lighting system is provided. The lighting system includes a plurality of sensors and a light-emitting unit. The light output control method includes steps of: sensing a motion of an object within the sensing ranges of the sensors at different time spots, thereby generating multiple sensing values; obtaining a sensing sequence data according to the sensing values indicating the motion of the object sensed by the sensors; controlling the light-emitting unit to perform a light output control operation if the sensing sequence data complies with a predetermined condition. | 2009-08-06 |
| 20090195167 | Lighting Device - The present invention provides a lighting device having a battery housing to hold a battery, a light housing having a light source and a lens assembly into which said light source will emit light when activated, said battery and said light source being in circuit with a switch to open and close said circuit, said light housing being moveable relative to said battery housing to motivate said switch to open and/or close said circuit. | 2009-08-06 |
| 20090195168 | METHOD AND SYSTEM FOR DIMMING AC-POWERED LIGHT EMITTING DIODE (LED) LIGHTING SYSTEMS USING CONVENTIONAL INCANDESCENT DIMMERS - A dimming control circuit for dimming light emitting diodes receives an AC input voltage signal from a dimming circuit. The control circuit includes a power stage and a current control loop coupled to the power stage. An AC detector is operable to detect an instantaneous value of the AC input voltage signal and to generate a signal indicating whether the AC input voltage signal is present or absent. A current control circuit is operable responsive to the signal to adjust the operation of the current control loop and to control current through the light emitting diodes to achieve the desired dimming, and to prevent inrush current on the AC input voltage signal. | 2009-08-06 |
| 20090195169 | POWER SUPPLY CIRCUIT WITH CURRENT SHARING FOR DRIVING MULTIPLE SETS OF DC LOADS - The present invention provides a power supply circuit for driving multiple sets of DC loads. The power supply circuit includes a current providing circuit, a sharing circuit and a current control unit. The current providing circuit receives and regulates a supply voltage into specified output currents to be supplied to the multiple sets of DC loads. The sharing circuit is connected in series with output terminals of the current providing circuit and the multiple sets of DC loads. The sharing circuit includes at least one coupling inductor member for performing equal current sharing among the multiple sets of DC loads. The current control unit is connected to the current providing circuit and the multiple sets of DC loads for detecting magnitudes of the current passing through the multiple sets of DC loads and controlling the output currents from the current providing circuit. | 2009-08-06 |
| 20090195170 | ELECTRONIC POWER SUPPLY DEVICE FOR LIGHT-EMITTING DIODE - An electronic power supply device is provided for light-emitting diodes (LEDs), which employs electronic control to maintain the LEDs within the rated ranges of current, voltage and temperature and provides the LEDs with extremely stable current, voltage and temperature. Meanwhile, the power supply device is effective in confining the LEDs within the rated ranges of voltage, current, and temperature so that the excellent electronics protection and design of logic device realized by the power supply device effectively overcomes aging/deterioration of LEDs caused by exceeding voltage and current and burning out due to exceeding temperature and also effectively pushes the rated current and voltage of a (low-power) LED module toward the maximum values to provide the greatest luminous efficiency for upgrading the applications of the LEDs to the primary grade of lighting. | 2009-08-06 |
| 20090195171 | TEMPERATURE CONTROL SYSTEM FOR BACKLIGHT MODULE - The present invention discloses a temperature control system for a backlight module, which applies to a backlight module with the light source quantity of the light-emitting module being increased to directly promote the brightness of LCD. The present invention can timely modulate the brightness of the light-emitting module to slow the temperature rising speed or gradually lower the temperature via the detection function of the thermistor and the PWM control of the control circuit. Thereby, the prevent invention can prevent from the malfunction of electronic elements or the decrease of service life caused by heat accumulation in the light-emitting module. | 2009-08-06 |
| 20090195172 | INVERTER WITH ADJUSTABLE RESONANCE GAIN - The present invention includes a PWM unit, a switch unit, a resonance unit, a transformer, a feedback unit and a frequency control unit, wherein the switch unit obtains a DC power from a power source, the PWM unit produces a working cycle signal to drive the switch unit to convert the DC power into a pulse power and the resonance unit converts the pulse power into a driving power for providing to the transformer to convert thereof into an output power, characterized in that when the resonance unit is under a starting frequency and a working frequency higher than the starting voltage, a starting voltage gain and a working voltage gain respectively corresponding thereto are produced, wherein the starting voltage gain is larger than the working voltage gain, so that the larger starting voltage gain can produce the output power with higher voltage to smoothly initiate the lamp tube set. | 2009-08-06 |
| 20090195173 | DISCHARGE LAMP OPERATING SYSTEM - A discharge lamp operating system has first and second discharge lamp operating circuits. The first discharge lamp operating circuit includes a first and second primary winding, a first secondary winding, a first discharge lamp connected to the first primary winding, and a second discharge lamp connected to the second primary winding. The second discharge lamp operating circuit includes a third and fourth primary winding, a second secondary winding, a third discharge lamp connected to the third primary winding, and a fourth discharge lamp connected to the fourth primary winding. The first secondary winding and the second secondary winding are connected in series. | 2009-08-06 |
| 20090195174 | ARRANGEMENT SUITABLE FOR DRIVING FLOATING CCFL BASED BACKLIGHT - A backlighting arrangement constituted of: a means for receiving an alternating current comprising a first lead and a second lead; at least one luminaire; and at least one first balancing transformer pair each associated with a particular one of the at least one luminaire, the primary of a first balancing transformer of the first balancing transformer pair serially coupled between the first lead of the means for receiving an alternating current and a first end of each of the at least one luminaire, and the primary of a second balancing transformer of the first balancing transformer pair serially coupled between the second lead of the means for receiving an alternating current and a second end of each of the at least one luminaires The secondaries of all of the at least one first balancing transformer pair are serially connected in a closed in-phase loop. | 2009-08-06 |
| 20090195175 | Direct Coupled Balancer Drive For Floating Lamp Structure - A backlighting arrangement constituted of a driving transformer arrangement; a plurality of lamp pairs, each of the constituent lamps of the plurality of lamp pairs exhibiting a first electrical connection and a second electrical connection; and a plurality of balancing transformers, each comprising a primary winding and a secondary winding magnetically coupled to the primary winding, and each associated with a particular one of the plurality of lamp pairs, the primary winding of each of the plurality of balancing transformers serially connected between the second electrical connections of the constituent lamps of the associated lamp pair, the secondary windings of the plurality of balancing transformers serially connected in phase, with a first end of the serially connected secondary windings of the balancing transformers connected to one phase output of the driving transformer arrangement. | 2009-08-06 |
| 20090195176 | DISCHARGE LAMP LIGHTING CIRCUIT - A discharge lamp lighting circuit is capable of preventing the discharge lamp from going out unexpectedly. The discharge lamp lighting circuit includes a DC-AC inverter which receives a power source voltage, boosts and converts the power source voltage into AC and supplies AC electric power to the discharge lamp | 2009-08-06 |
| 20090195177 | Self-excited inverter driving circuit - To provide a low-cost self-excited inverter driving circuit exhibiting an excellent operational efficiency. A main inverter section is so constructed that a part of output signals is fed back by a resonance loop circuit to cause a self-excited oscillation to occur in the vicinity of a resonance frequency decided by leakage inductors and capacitors on the secondary side of a high voltage transformer, thereby performing an inverter operation. It is further arranged that a halt interval setting signal, which is generated by a triangular wave forming circuit and a control section, is applied to the main inverter section, thereby halting the inverter operation in accordance with the halt interval setting signal. | 2009-08-06 |
| 20090195178 | BALANCING ARRANGEMENT WITH REDUCED AMOUNT OF BALANCING TRANSFORMERS - A backlighting arrangement constituted of: a driving transformer; at least one balancing transformer; a plurality of luminaires, a first end of each of the plurality of luminaires connected to a high voltage lead of the driving transformer and a second end of each of the plurality of luminaires connected to a unique end of a winding of the at least one balancing transformer, wherein each pair of the luminaires is associated with a particular winding of one of the at least one balancing transformers, and wherein the first end and the second end of each of the luminaires is in physical proximity of the driving transformer and the at least one balancing transformer, the constituent lamps of the luminaires arranged in parallel and generally extending axially away from the proximity of the driving transformer. | 2009-08-06 |
| 20090195179 | POWER LINE COMMUNICATION - Methods and systems for providing power line communications are provided. The methods employed by the system include receiving a line voltage, converting the line voltage to a DC voltage, and modulating the DC voltage with a data encoded signal to produce an output voltage. The methods also include communicating the output voltage to a remote device, where the output voltage is utilized to power the remote device and control operations of the remote device. | 2009-08-06 |
| 20090195180 | LED DRIVER CIRCUITS AND METHODS - An LED driver circuit may include dimming circuitry. In particular, the LED driver circuit may include a switching converter, an LED and a switch. The LED may be electrically connected to the switching converter and the switch may be connected in parallel with the LED. The switching converter and/or the switch may be configured to be controlled to achieve dimming of the LED. Current may be supplied to the LED and the switch may be turned on and off to dim the LED. The switching converter coupled to the LED may include a switching element in series with an inductor and the LED. In such case, the switching element may be turned on to supply current to the LED and the inductor, and the switch may be turned on and off to dim the LED. | 2009-08-06 |
| 20090195181 | METHOD FOR OPERATING AN ILLUMINATION SYSTEM WITH SEQUENTIAL COLOR FILTERING AND A HIGH PRESSURE DISCHARGE LAMP - The present invention relates to a method for operating an illumination system, which illumination system has a high pressure discharge lamp driven with a commutating lamp current (IL), and a color filter system for filtering the light of the high pressure discharge lamp in a plurality of sequential color segments (A, B, D, E, G, H). The invention further relates to an illumination system for embodying the inventive method, and to a computer program product which can be loaded into an inventive illumination system in order to configure said illumination system in accordance with the inventive method. According to the invention, prior to a commutation in an intermediate phase (ZP), the lamp current (IL) passes through an intermediate phase pulse (DP), during which the light of the illumination system is suppressed. When a change occurs in the course of the lamp current preceding the intermediate phase (ZP), the intermediate phase pulse (DP) occurring in the intermediate phase is adapted in such a way that the change is at least partially compensated in the effect thereof on the electrode temperature at the time of the commutation. | 2009-08-06 |
| 20090195182 | Light Emission Control Circuit for Turning on a Plurality of Light Emitting Elements, and Lighting Apparatus and Portable Information Terminal Having the Same - A light emission control circuit includes a current source circuit for generating currents to be supplied to a plurality of light emitting elements, a plurality of switches disposed corresponding to the respective light emitting elements for switching between supplying or not supplying the currents generated by the current source circuit to the respective light emitting elements, and a PWM control circuit for controlling the respective switches to intermittently supply the currents generated by the current source circuit to the respective light emitting elements and to switch from a stopped state to an initiated state of current supply at different timings for each light emitting element. | 2009-08-06 |
| 20090195183 | CONTROLLER OF LED LIGHTING TO CONTROL THE MAXIMUM VOLTAGE OF LEDS AND THE MAXIMUM VOLTAGE ACROSS CURRENT SOURCES - Controller of LED lighting to control the maximum voltage of LEDs and the maximum voltage across current sources is provided. A voltage-feedback circuit is coupled to the LEDs to sense a voltage-feedback signal for generating a voltage loop signal. Current sources are coupled to the LEDs to control the LED currents. A detection circuit senses the voltages of the current sources for generating a clamp signal in response to a maximum voltage of the current sources. Furthermore, a buffer circuit generates a feedback signal in accordance with the voltage loop signal and the clamp signal. The feedback signal controls the maximum voltage of the LEDs and the maximum voltage across the current sources. | 2009-08-06 |
| 20090195184 | DRIVE CIRCUIT FOR DRIVING A LOAD WITH PULSED CURRENT - A drive circuit ( | 2009-08-06 |
| 20090195185 | POWER SUPPLY OF LUMINOUS SOURCES - A power supply of luminous sources is disclosed comprising a first circuit configured to generate a direct voltage signal from an alternating input voltage and a second circuit having in input the direct voltage signal and configured to generate an alternating voltage signal of rectangular wave shape and null average value. The power supply comprises: a third circuit configured to generate a current signal of triangular wave shape from the alternating voltage signal, a fourth circuit configured to extract from the current signal a voltage signal of triangular wave shape and non-null average value, a fifth circuit configured to control the frequency of the alternating voltage signal based on the average value of the voltage signal extracted by the fourth circuit, a sixth circuit configured to rectify said current signal and supply the luminous sources. | 2009-08-06 |
| 20090195186 | LIGHT EMITTING DIODE LIGHTING DEVICE - A lighting device comprises a mounting head having multiple facets each configured to retain an associated Light Emitting Diode (LED). The LEDs are mounted to the facets with a thermally conductive metal pad and thermally conductive adhesive. A connector for the lighting device inserts into a light socket and receives power for operating the LEDs. A heat transfer body is coupled between the mounting head and the connector and transfer heat generated by the LEDs downward from the mounting head and then radially outward. The mounting head, adhesive, metal pad, and heat transfer body form a heat transfer structure that more effectively removes heat generated by the LEDs. In one embodiment, a dimmer circuit is also provided that allows the LED lighting device to operate with conventional dimmer switches. | 2009-08-06 |
| 20090195187 | Led driving topology, light source moudle based thereon, and digital camera having the same - A LED driving topology includes a LED array and a current source connected in series between two power inputs receiving a positive voltage and a negative voltage respectively. This topology increases the voltage difference across the LED array and hence has the capability of lighting up more serially connected LEDs, without requiring an additional boost circuit or a high voltage. In addition, the circuit of the current source can be made by a low-voltage manufacturing process. | 2009-08-06 |
| 20090195188 | COLD-CATHODE FLUORESCENT LAMP HAVING THIN COAT AS ELECTRICALLY CONNECTED TERMINAL, PRODUCTION METHOD OF THE LAMP, LIGHTING APPARATUS HAVING THE LAMP, BACKLIGHT UNIT, AND LIQUID CRYSTAL DISPLAY APPARATUS - A cold-cathode fluorescent lamp including a glass bulb, a pair of hollow electrodes, and a pair of electrically connected terminals. The hollow electrodes each include an electrode body and a lead wire. The hollow electrodes are hermetically connected to the glass bulb at both ends of the glass bulb. The pair of electrically connected terminals are thin coats that are, except for connection portions connected to lead wires, provided on an outer surface of the glass bulb at both ends of the glass bulb. | 2009-08-06 |
| 20090195189 | TRI-LIGHT - A lighting arrangement includes a light fixture including a plurality of light sources wherein each light source is configured to generate a different color light when energized; and a circuit arrangement included in the light fixture and operatively interposed between the plurality of light sources and a source of electrical power. This circuit arrangement is responsive to brief interruptions in the supply of electrical power of less than a predetermined period to simultaneously de-energize all of the light sources for a full duration of the interruption and to subsequently toggle energization from one light source to the next and thereby produce different color light in response to the cessation of the brief interruption. | 2009-08-06 |
| 20090195190 | Systems and Methods for Powering a Light Emitting Diode Lamp - In one embodiment, the present invention includes an electronic circuit for providing a power current to an LED lamp. The electronic circuit comprises a logic drive circuit, a VCO, a power switch, and a first current sensor. The VCO is coupled to provide a first logic control signal to the logic drive circuit. The power switch has a first terminal and second terminal coupled to deliver the power current to the LED lamp and a control terminal coupled to receive a power control signal from the logic drive circuit. The first current sensor is coupled to sense a peak current passing through the power switch and coupled to provide a second logic control signal to the logic drive circuit. | 2009-08-06 |
| 20090195191 | Perceptually linear LED brightness control - A current regulator includes a first current source to provide a reference current varying with a dimming step, and a second current source to generate a drive current for a white LED according to the reference current. The reference current and the dimming step have a relationship identical to or approximating a relationship between luminance and lightness perceived by human eyes. Thus, the white LED is controlled to have a linear variation of the luminance perceived by human eyes when the dimming step is changed. | 2009-08-06 |
| 20090195192 | SMART LIGHT - An intelligent light, such as a light for connecting with and receiving communications from a low voltage line, is provided. The intelligent light includes a power supply operable to generate a DC voltage from an input voltage communicated via a low voltage line by a power source, a receiver operable to extract a data pattern encoded in the input voltage; and output circuitry in communication with the DC voltage and the receiver operable to generate an output voltage to energize a light based on the data pattern to control operations of the light. | 2009-08-06 |
| 20090195193 | COMPACT FLUORESCENT LIGHT DEVICE - A light device, such as a device using compact fluorescent light, is disclosed. The light device includes a housing. A compact fluorescent light source is supported by the housing. A converting device is coupled with the compact fluorescent light source. The converting device is provided for connecting with a low voltage line. | 2009-08-06 |
| 20090195194 | ALL-ION ACCELERATOR AND CONTROL METHOD OF THE SAME - It is an object of the present invention to provide an accelerator that can accelerate by itself all ions up to any energy level allowed by the magnetic fields for beam guiding, and provides an all-ion accelerator in which with trigger timing and a charging time of an induced voltage applied to an ion beam injected from a preinjector by induction cells for confinement and acceleration used in an induction synchrotron, digital signal processors for confinement and acceleration and pattern generators for confinement and acceleration generate gate signal patterns for confinement and acceleration on the basis of a passage signal of the ion beam and an induced voltage signal for indicating the value of the induced voltage applied to the ion beam, and intelligent control devices for confinement and acceleration perform feedback control of on/off of the induction cells for confinement and acceleration. | 2009-08-06 |
| 20090195195 | Position Feedback Device for a Linear Motor - A position feedback device for a linear motor comprises three linearly-arranged Hall sensors. The three Hall sensors are connected to a mover, respectively. The direction in which the Hall sensor in the middle of the three Hall sensors is reverse to the direction in which the other two Hall sensors of the three Hall sensors are connected, so that the arrangement distance of the three Hall sensors can be reduced, and the size of the position feedback device can be reduced. | 2009-08-06 |
| 20090195196 | CONTROL DEVICES AND METHODS - A control device for driving a motor which includes a rotor and a stator is provided. The control device includes a Hall detector and driving circuit. The Hall detector detects magnetic flux variation when the rotor rotates and generates a first detection signal and a second detection signal. The first and second detection signals represent current rotation location when the rotor rotates. The driving circuit generates a driving signal to drive the stator. The driving circuit turns on or off the driving signal according to a control signal and the relationship between the first and second detection signals. | 2009-08-06 |
| 20090195197 | Rotating electrical machine control device - A rotating electrical machine control device includes an inverter; a resolver; a unit; a three-phase/two-phase modulation switching unit; and a motor control unit that switches to a two-phase modulation in a specific region where an electric noise given to the resolver by a rotating electrical machine is large, even in a region where the modulation ratio is smaller than the three-phase/two-phase modulation switching boundary. | 2009-08-06 |
| 20090195198 | MOTOR AND METHOD FOR STARTING THE SAME - The method for initially starting the motor improves the reliability to the start of the motor. In particular, even though the external load is at more than a predetermined level, a rotor located at an arbitrary angle can be aligned to an accurate initial position. Moreover, it can prevent the damage of the motor or the damage of the electronic device where the motor is installed. In order to initially align the rotor of the motor, a position on a stationary coordinate system, to which an alignment current of a rotation magnetic field is applied, is varied. | 2009-08-06 |
| 20090195199 | MOTOR DRIVE DEVICE - A controller ( | 2009-08-06 |
| 20090195200 | ELECTRIC MOTOR DRIVE SYSTEM AND ELECTRIC MOTOR CONTROL METHOD - An electric motor drive system having current detecting sections for detecting the currents flowing into electric motors, speed variation calculating sections for calculating the speed variation estimating values for the electric motors in accordance with the motor currents detected by the current detecting sections and the current command values for the motors corresponding to the detected currents and a speed uniformizing voltage compensating section for delivering the values that serve to compensate the amplitudes of the voltages applied to the electric motors in such a manner that the speed variation estimating values calculated by the speed variation calculating sections become equal to a predetermined value. | 2009-08-06 |
| 20090195201 | METHOD FOR CONTROLLING AN AC ELECTRONIC MOTOR AND DEVICE FOR CARRYING OUT SAID METHOD - The invention relates to electric engineering, in particular to methods for controlling an ac electronic motor. The inventive control method consists in starting and rotating a rotor upon EMF signals in current-free sections of an armature winding, in converting the EMF signals into discrete logical level signals by a normaliser, in detecting switching points by means of a microcontroller and in displacing said points according to a load current quantity, the rotor speed of rotation and the inductance of the armature winding sections, wherein the switching points are calculated and displaced with respect to bridging times of the free sections EMF whose voltage levels are different from zero. The inventive device is characterised in that it comprises a reference level displacing unit ( | 2009-08-06 |
| 20090195202 | Electric Motor, Method for Correcting Sensor Output for the Same, and Control Circuit - The electric motor includes a coil array having a plurality of magnetic coils; a magnet array having a plurality of permanent magnets; a magnetic sensor outputting an output signal that changes in analog fashion depending on relative location of the magnet array and the coil array; a drive control circuit; and an output waveform correcting unit. The output waveform correcting unit corrects the waveform of the output signal of the magnetic sensor based on the voltage level of the output signal of the magnetic sensor, in such a way that the output signal of the magnetic sensor is shaped to prescribed waveform shape during operation of the electric motor. | 2009-08-06 |
| 20090195203 | VIRTUAL TENSIONER TRAVEL SENSOR FOR A SERPENTINE BELT TENSIONER ASSEMBLY - A control module of a vehicle comprises a drive diagnostic module and a hybrid control module. The drive diagnostic module determines a load energy of an accessory drive system of the vehicle and determines a slip percentage of a belt of the accessory drive system based on an engine speed and a motor speed. The hybrid control module determines a requested motor torque based on at least one of the load energy and the slip percentage. The control module controls a motor of the vehicle based on the requested motor torque. | 2009-08-06 |
| 20090195204 | Power Tool Having Motor Speed Monitor - A hammer drill comprising a body ( | 2009-08-06 |
| 20090195205 | MOTOR CONTROL SYSTEM INCLUDING ELECTRICAL INSULATION DETERIORATION DETECTING SYSTEM - A motor control system of the present invention includes an accurate electrical insulation deterioration detecting system. A voltage divider circuit is arranged between a negative DC output portion and a ground, through a normally open switch circuit. A detecting operation control section closes the normally open switch while a circuit breaker is opened, and places at least one of transistors electrically connected to a positive DC output portion into a conductive state, from among six transistors included in three arm circuits. A voltage across the first resistor is inputted as a divided voltage into a voltage comparator of a voltage comparison section. The voltage comparison section compares a divided voltage outputted from the voltage divider circuit and a reference voltage using the voltage comparator and outputs an alarm signal if the divided voltage exceeds the reference voltage. | 2009-08-06 |
| 20090195206 | SERVO MOTOR CONTROL SYSTEM - A table containing correspondence between “n” and “m” is set in a control circuit of a servo control system so that the current command data in the m-th (m=1, 2, 3 . . . ) current command register is assigned to the n-th (n=1, 2, 3 . . . ) servo amplifier. When data is specified in this table to satisfy “n=m”, the current command data in the n-th current command register is passed to the n-th servo amplifier. When “m=1” is set for “n=1” and “m=1” is set for “n=2” in this table, the current command data stored in the first current command register is passed to the first and second servo amplifiers. | 2009-08-06 |
| 20090195207 | Servo Control Circuit - The present invention discloses a servo control circuit comprising: a first node for receiving a control voltage; a second node for receiving a feedback voltage; an operational amplifier controlling a current on a path according to the voltages at the first and second nodes, the path including an internal voltage node thereon; an analog to digital converter (ADC) for converting the voltage at the internal voltage node to a digital signal; and a control logic circuit for generating a servo control signal according to the digital signal. | 2009-08-06 |
| 20090195208 | APERTURE CLOSURE MEMBER CONTROL ARRANGEMENTS - An aperture closure member control arrangement includes a disc which rotates as the aperture closure member moves. The disc has a ring of teeth. A sensor, such as a Hall effect sensor and permanent magnet, detect the passage of teeth as a cyclic waveform of amplitude and frequency determined by the spacing of the teeth, and the speed of rotation of the disc. An irregularity in the form of a missing tooth creates an irregularity in the output of the sensor, in the form of a pulse of greater amplitude and lower frequency. Accordingly, pulses from the irregularity can be discriminated and counted to provide a coarse indication of position, or pulses from the teeth can be counted, to provide a fine indication. | 2009-08-06 |
| 20090195209 | Radiation conversion device - A radiation conversion device, which is driven by an on-board battery, detects radiation that has passed through a subject and converts the radiation into image information. The radiation conversion device includes a battery residual charge amount detector for detecting a residual charge amount of the battery, a transmission rate setting unit for setting a transmission rate of the image information corresponding to the residual charge amount of the battery, and a transmitting unit for transmitting the image information to an external apparatus by means of wireless communications at the set transmission rate. | 2009-08-06 |
| 20090195210 | BATTERY TEMPERATURE REGULATOR WITH SUITABLE ARRANGEMENT OF TEMPERATURE SENSOR - A temperature regulator is provided for a battery which includes an electrode body, a terminal electrically connected to the electrode body, and a casing that receives the electrode body and supports the terminal with an end portion of the terminal protruding outside of the casing. The casing is electrically and thermally insulated from the terminal. The temperature regulator includes a flow producer, a temperature sensor, and a controller. The flow producer produces a flow of a heat transfer medium for exchanging heat between the heat transfer medium and one of the terminal and casing. The temperature sensor senses the temperature of the other of the terminal and casing. The controller controls, based on the temperature sensed by the temperature sensor, the flow producer to adjust the flow rate of the heat transfer medium, thereby regulating the temperature of the electrode body to fall within a predetermined range. | 2009-08-06 |
| 20090195211 | Method and system for regulating current discharge during battery discharge conditioning cycle - Methods and systems are disclosed for utilizing a memory control circuit for controlling transfer of data to and from a memory system. A memory control circuit with a back up battery and control circuits is provided. Battery health is determined through a discharge cycle of the back up battery. A power supply generated from the back up battery is provided to circuitry of the memory control card during normal operations of the memory control circuit during a non-power loss state. The power supplied from the back up battery during the non-power loss state of the memory control circuit is utilized by at least a first circuit of the memory control circuit as part of normal memory controller card operations during the battery health discharge cycle. When the system is not performing a battery health cycle the first circuit receives normal system power. The memory control circuit may be a RAID card. The first circuit may be memory circuitry. The backup battery discharge rate may be regulated during the battery health discharge cycle by switching the power source for the circuitry of the memory control card between the backup battery and the normal system power. | 2009-08-06 |
| 20090195212 | Method and system for utilizing a memory control circuit for controlling data transfer to and from a memory system - Methods and systems are disclosed for utilizing a memory control circuit for controlling transfer of data to and from a memory system. A memory control circuit with a back up battery and control circuits is provided. Battery health is determined through a discharge cycle of the back up battery. A power supply generated from the back up battery is provided to circuitry of the memory control card during normal operations of the memory control circuit during a non-power loss state. The power supplied from the back up battery during the non-power loss state of the memory control circuit is utilized by at least a first circuit of the memory control circuit as part of normal memory controller card operations during the battery health discharge cycle. When the system is not performing a battery health cycle the first circuit receives normal system power. The memory control circuit may be a RAID card. The first circuit may be memory circuitry. The backup battery discharge rate may be regulated during the battery health discharge cycle by switching the power source for the circuitry of the memory control card between the backup battery and the normal system power. | 2009-08-06 |
| 20090195213 | Conversion systems with balanced cell currents - A conversion system includes a conversion circuit coupled to multiple cells for generating multiple sampling signals indicative of the cell voltages of the cells respectively. Each sampling signal is with respect to the same reference level. In addition, the conversion system includes a compensation circuit coupled to the conversion circuit for generating a compensation current that flows through at least one cell of the multiple cells via the conversion circuit for balancing the currents respectively flowing through the cells. | 2009-08-06 |
| 20090195214 | CHARGING SYSTEM - A mobile electronic device includes circuitry for contactless charging. The circuitry comprises an inductor for contactlessly receiving power and supplying the power to the mobile electronic device. A control stage coupled to the inductor and is adapted to control a supply of power received by the inductor to the load to regulate a load current such that a supply voltage is maintained above a predetermined level. | 2009-08-06 |
| 20090195215 | CHARGING APAPRATUS AND CHARGING METHOD - A charging apparatus is provided and is configured to accept temperature information corresponding to a temperature of a secondary battery or a battery pack, supply a charging current to the secondary battery or the battery pack when the temperature is within a set charge temperature range, and interrupt the charging current when the temperature is beyond the set charge temperature range. | 2009-08-06 |
| 20090195216 | METHOD AND SYSTEM FOR PROTECTION OF A LITHIUM-BASED MULTICELL BATTERY PACK INCLUDING A HEAT SINK - A system and method for battery protection. In some aspects, a battery pack includes a housing, a cell supported by the housing, a circuit supported by the housing and operable to control a function of the battery pack, and a heat sink in heat transfer relationship with the circuit and operable to dissipate heat from the circuit. | 2009-08-06 |
| 20090195217 | PROVIDING POWER BASED ON STATE OF CHARGE - A modular and scalable power source can be used to supplement an existing source of power. In one embodiment, a DC source can be used to maintain a power source of a host system in a specific state in order to cause a desired behavior. | 2009-08-06 |
| 20090195218 | SYSTEM AND METHOD OF TRICKLE CHARGING A BATTERY IN A NARROW RAIL ARCHITECTURE - A method for charging a battery of an electronic device using a connected a/c power adapter comprising the steps of determining a state of a transistor connecting a regulated voltage to the battery and switching a charging current applied to the battery between a quick charge level and a trickle charge level responsive to the state of the transistor. | 2009-08-06 |
| 20090195219 | BATTERY SOC ESTIMATION PROGRAM, WIRELESS TRANSIT SYSTEM, AND METHOD OF CHARGING THE BATTERY - Occurrence of overcharging and over discharging of batteries mounted on vehicles that travel on predetermined tracks in a wireless transit system is prevented by estimating SOC of the batteries with accuracy. The program in which an equivalent circuit of the battery is set such that the equivalent circuit is composed of three circuit elements connected in series, a first component resistance which is influenced by instantaneous current variation, a component circuit consisting of a capacitance and a second component resistance connected in parallel which is influenced by slow and excessive response, and a terminal voltage of the battery, runs the computer to calculate open circuit voltage of the equivalent circuit using a value of the first component resistance calculated from measurement of current and voltage of the battery and value of k(=the second component resistance/the first component resistance) and τ(=the capacitance×the second component resistance) which are constant values specific to the battery determined based on measurements, and to calculate state of charge of the battery from the open circuit voltage. | 2009-08-06 |
| 20090195220 | RECOVERABLE ULTRACAPACITOR ELECTRODE - An exemplar method of recovering a capacitance level of a double layer capacitor is disclosed. Further implementations describe making electrodes and double layer capacitors that provide a recovery of capacitance after that capacitor has undergone a fade in capacitance. In one implementation, for example, methods of treating a double layer capacitor are provided that allow for recovery of capacitance in the double layer capacitor. In these methods, capacitance of the double layer capacitor may be recovered after it has faded. After a double layer capacitor has experienced capacitance fade, the double layer capacitor may be rested in an unloaded condition and/or heated to recover at least a portion of its lost capacitance. Recovering faded capacitance both increases the energy storage capacity available during each charge/discharge cycle of the capacitor and increases the useful life of the double layer capacitor by delaying the capacitance fade below a particular level that is deemed a failure for a particular application. | 2009-08-06 |
| 20090195221 | Capacitor charger with a modulated current varying with an input voltage and method thereof - In a capacitor charger including a transformer having a primary winding connected with an input voltage and a secondary winding for transforming a primary current flowing through the primary winding to a secondary current flowing through the secondary winding, the primary current is adjusted according to a monitoring voltage varying with the input voltage, thereby prolonging the lifetime of the battery that provides the input voltage and improving the power efficiency of the battery. | 2009-08-06 |
| 20090195222 | Adjustable resonance frequency vibration power harvester - A resonance frequency vibration power harvester comprises an elongate body, a first vibration energy harvester device and a weight. The elongate body includes a first end, a second end and an interior channel extending through at least a portion of the elongate body between the first end and the second end. The second end of the elongate body is for connecting to a vibration source such that the first end is cantilevered. The first vibration energy harvester device is attached adjacent the first end of the elongate body, and the weight is joined to the interior channel to adjust a resonant frequency of the elongate body. | 2009-08-06 |
| 20090195223 | Power generation controlling device for vehicles, which device has Bi-directional communication function with external control unit - A power generation controlling device for vehicle includes a communication controlling circuit, a power generation voltage and excitation current controlling circuit, and a communication frame processing circuit. The communication controlling circuit communicates with an ECU using a communication frame. The power generation voltage and excitation current controlling circuit controls power generation based on power generation control information in the received communication frame. The communication frame processing circuit decodes contents of power generation control information (i.e., signal switching data) included in the communication frame based on a signal switching bit in the same communication frame. Two types of contents or more that are switched based on the signal switching bit are assigned to the power generation control information in the communication frame. The power generation voltage and excitation current controlling circuit controls power generation based on the power generation control information of which the contents are specified by the switching information. | 2009-08-06 |
| 20090195224 | Digital Excitation Control System Utilizing Self-Tuning PID Gains and an Associated Method of Use - A system and method for self-tuning a PID controller utilized with an exciter and generator, which includes a power source, an exciter electrically connected to the power source, a generator that is electrically energized by the exciter, and a processor that provides a PID controller that calculates system gain an estimated exciter time constant and an estimated generator time constant with a recursive least square with forgetting factor algorithm, wherein the estimated exciter time constant and the estimated generator time constant are utilized to calculate PID gains by the processor, wherein the processor includes a random input generator that is summed with the output of the PID controller as input to determine the PID gains using the estimated exciter time constant and the estimated generator time constant and the processor compares a digital value of rms generator voltage against a reference voltage as input into the PID controller. | 2009-08-06 |
| 20090195225 | SATURATION CONTROL OF ELECTRIC MACHINE - The invention includes an electric alternator/motor having a rotor, stator and at least one winding in the stator adapted to conduct a current, the machine also having and first and second magnetic circuits, one of which includes a saturable portion in which saturation may be controlled to permit control of the machine. | 2009-08-06 |
| 20090195226 | Power Harvesting From Apparatus, System And Method - The present invention relates to an apparatus system and method for power harvesting on roads and highways using piezoelectric generator. The invention is to provide a system and a method for power harvesting comprising a plurality of piezoelectric devices embedded in a road and configured to produce electrical power when a vehicle traverses their locations. The system includes a power conditioning unit and electrical conductors connecting said piezoelectric to said power conditioning unit. Harvested energy may be used locally in proximity to the energy generation location, stored for later use or transferred to be used in remote location | 2009-08-06 |
| 20090195227 | CONSTANT VOLTAGE CIRCUIT - A constant voltage circuit configured to convert an input voltage into an output voltage having a predetermined level is disclosed. The constant voltage circuit includes a differential amplifier circuit configured to produce an output signal having a voltage level in response to a reference voltage and the output voltage; and an output circuit configured to receive the output signal and produce a current in response to the voltage level of the output signal. The output voltage is proportional to the current. The output circuit includes plural output transistors and a transistor selecting unit configured to select one or more output transistors to be operated among the plural output transistors to produce the current depending on the level of the output voltage. | 2009-08-06 |
| 20090195228 | Microprocessor die with integrated voltage regulation control circuit - An integrated circuit die includes a microprocessor and a control circuit to control elements of a voltage regulator to supply power to the microprocessor. | 2009-08-06 |
| 20090195229 | METHOD AND APPARATUS FOR REDUCING AUDIO NOISE IN A SWITCHING REGULATOR - A switching regulator utilizing on/off control that reduces audio noise at light loads by adjusting the current limit of the switching regulator. In one embodiment, a switching regulator includes a state machine that adjusts the current limit of the switching regulator based on a pattern of feedback signal values from the output of the power supply for a preceding N cycles of the drive signal. The state machine adjusts the current limit lower at light loads such that cycles are not skipped to reduce the operating frequency of the switching regulator into the audio frequency range until the flux density through the transformer is sufficiently low to reduce the generation of audio noise. | 2009-08-06 |
| 20090195230 | Circuits and Methods for Controlling a Switching Regulator based on a Derived Input Current - In one embodiment the present invention includes a method of controlling a switching regulator based on a derived input current. In one embodiment, an output current of said switching regulator is detected and used to generate a first voltage or current signal corresponding to the output current. Additionally, a switching signal of said switching regulator is detected and used to generate a second voltage or current signal corresponding to the switching signal. The resulting signals may be combined to produce a voltage or current signal corresponding to an input current of said switching regulator. The switching signal may be modified based on the derived voltage or current signal and used to control the system. | 2009-08-06 |
| 20090195231 | Power Supply Circuit and Dynamic Switch Voltage Control - According to one configuration, a monitor circuit monitors a delivery of power supplied by one or more switch devices to a dynamic load. Based on an amount of power delivered to the load as measured by the monitor circuit, a control circuit produces a voltage control signal. A gate bias voltage generator circuit utilizes the voltage control signal to generate a switch activation voltage or bias voltage. A switch drive circuit uses the switch activation voltage as generated by the bias voltage generator to activate each of the one or more switch devices during a portion of a switching cycle when a respective switch device is in an ON state, and the respective switch device conducts current from a voltage source through the switch device to the load. The control circuit adjusts the voltage control signal to modify a level of the switch activation voltage depending on the dynamic load. | 2009-08-06 |
| 20090195232 | RADIO-FREQUENCY SWITCH CIRCUIT - A switch circuit is provided that includes at least one main switching device and at least one shunt switching device. Each main switching device is connected in series with a conductor that carries an RF signal between an input circuit and an output circuit. Each shunt switching device is connected between a controlling terminal of the main switching device and a high frequency ground. The switch circuit can provide substantially improved OFF state isolation over other approaches. | 2009-08-06 |
| 20090195233 | MANAGEMENT OF REGULATOR-INDUCED SWITCHING NOISE FOR SAMPLED SYSTEMS - A system includes a sampler to sample an input voltage and a switching regulator. The switching regulator is adapted to regulate a switching operation of the regulator in response to the sampling by the sampler. | 2009-08-06 |
| 20090195234 | ON-CHIP VOLTAGE SUPPLY SCHEME WITH AUTOMATIC TRANSITION INTO LOW-POWER MODE OF MSP430 - An integrated electronic device includes circuitry for providing a system supply voltage from a primary power supply. The circuitry has a high power (HP) stage coupled to the primary power supply and having an output node coupled to a supply system node for providing a HP system supply voltage level and a HP output current such that the HP stage is configured to be active in a full power mode, and a low power (LP) stage coupled to the primary power supply and to the supply system node through a voltage follower for providing a LP supply voltage level and an LP output current such that the LP stage is configured to be active in a low power mode. The HP system supply voltage level is greater than the LP system supply voltage level and the voltage follower of the LP stage is adapted to switch off in response to a voltage level at the supply system node becoming greater than the HP system supply voltage level and to switch on in response to the voltage level at the supply system node becoming lower than the HP system supply voltage level. | 2009-08-06 |
| 20090195235 | DRIVE CIRCUIT AND METHOD OF USING THE SAME - A drive circuit may include a SUPPLY that outputs a first voltage potential, an energy storage device that outputs a second voltage potential, and a LOAD. Switches control the flow of current through the LOAD in a flow direction or in a direction opposite to the flow direction. The first or second voltage potentials can produce current. | 2009-08-06 |
| 20090195236 | SEMICONDUCTOR CIRCUITS CAPABLE OF MITIGATING UNWANTED EFFECTS CAUSED BY INPUT SIGNAL VARIATIONS - Semiconductor circuit capable of mitigating unwanted effects caused by variations in a received input signal are provided, in which a main circuit receives an input signal and comprises a first current source coupled between a first node and a first power voltage to generate a first current according to a first bias voltage. A replica circuit is coupled to the main circuit to duplicate a variation in a voltage at the first node caused by a variation in the input signal and dynamically adjusts the first bias voltage according to the duplicated variation such that the first current is maintained at a constant. | 2009-08-06 |
| 20090195237 | DUAL DIRECTION POWER AND DATA TRANSFER PROTOCOL AND SAFETY DETECTION - A device for monitoring the condition of a power outlet and for reducing or interrupting power in the event that a condition of the outlet circuitry indicates that a potentially dangerous situation exists. The device can also include a reporting function to alert a user as to the existence of the dangerous condition. | 2009-08-06 |
| 20090195239 | FREQUENCY CHARACTERISTIC MEASURING APPARATUS - A frequency characteristic measuring apparatus capable of measuring a frequency characteristic of a device under test in which the frequency of an input signal and the frequency of an output signal differ from each other, capable of simplifying the configuration of a tracking generator and peripheral circuits associated with the tracking generator, and capable of simultaneously measuring the characteristics of the input signal and the output signal of the device under test. A spectrum analyzer | 2009-08-06 |
| 20090195240 | Pickup coil having adjustable characteristic frequency - A pickup coil includes a sensing unit having an iron core, a permanent magnet magnetically coupled to a rear end position of the iron core, and a coil for sensing a change of magnetic flux occurring in the iron core; and a supporting frame member. The sensing unit is molded with a cup-shaped resin case. The sensing unit is integrally molded with the supporting frame member and is mounted on a mounting object via the supporting frame member. A plurality of weight units for adjusting a characteristic frequency of the coil is stored in a weight storage section formed inside the resin case at a position spaced away from the supporting frame member. The weight storage section is sized such that one or more weight units are accommodated therein. | 2009-08-06 |
| 20090195241 | Electromagnetic induction type encoder - The invention provides a highly accurate and inexpensive electromagnetic induction type encoder capable of acquiring strong signal intensity with the offset reduced by a short scale coil, and is durable against fluctuations in the yaw direction, which includes a number of scale coils | 2009-08-06 |
| 20090195242 | SWING TYPE SWITCHING DEVICE INCLUDING MAGNET AND MAGNETORESISTIVE ELEMENT - A swing type switching device includes: an operation body that can swing and automatically returns to a neutral posture during a non-operation; a permanent magnet that moves along a predetermined plane by being interlocked with the operation body and is positioned at a neutral position during the non-operation of the operation body; and a magnetoresistive element of which the electrical resistance is changed in accordance with the change of a magnetic field that is caused by the movement of the permanent magnet. An operation position of the operation body can be detected on the basis of the change of the resistance of the magnetoresistive element, and the permanent magnet is magnetized so that pole faces thereof extend along the predetermined plane, and the magnetoresistive element is formed in a plane that is substantially orthogonal to a height direction of the permanent magnet positioned at the neutral position, and one pole face of the permanent magnet is close to and faces a side portion of the magnetoresistive element at the neutral position. | 2009-08-06 |
| 20090195243 | TILT ANGLE SENSOR AND DETECTION-TARGET DEVICE COMPRISING THE SAME - To provide a tilt angle sensor that is capable of detecting acceleration, a tilt angle, and the like of a device to which the tilt sensor angle is mounted, and also capable of reducing the size and the cost with a simple structure. The tilt angle sensor comprises: a spring member having a fixed end a free end that has a flexibility to be bent at least in one direction; a magnetic field generating device for generating a magnetic field, which is mounted at the free end of the spring member; a magnetic field detecting device provided by facing the magnetic field generating device for detecting a direction of the magnetic field generated by the magnetic field generating device; and a damping device for giving a damping force to a bending action of the spring member. | 2009-08-06 |
| 20090195244 | ELECTROMAGNETIC IMAGING METHOD AND DEVICE - An electromagnetic imaging method for electromagnetically measuring physical parameters of a pipe CJ, CC by means of a plurality of measuring arrangement ZMA, MCMA, MonMa, ImMA comprising a plurality of transmitter coil ZTX, LFTX, DTX and a plurality of receiver coil ZRX | 2009-08-06 |
| 20090195245 | Coupled Fluxgate Magnetometers for DC and Time-Varying Target Magnetic Field Detection - An apparatus for sensing and processing a magnetic flux signal comprising: an odd number of at least three fluxgate modules, a summer, and a processor. Each fluxgate module is configured to generate a module response signal upon receiving the magnetic flux signal. The fluxgate modules are circularly coupled to each other such that only one-way signal flow is allowed between them. The summer is configured to sum the response signals from each fluxgate module into a summed signal. The processor is configured to receive and process the summed signal. | 2009-08-06 |
| 20090195246 | METHOD FOR ESTIMATING INSITU FLUID VELOCITY FROM NMR MEASUREMENTS - A method for estimating a viscosity of a fluid in a rock formation, the method including: performing a first nuclear magnetic resonance (NMR) measurement with zero magnetic field gradient on at least a portion of a sample of the rock formation to obtain a first distribution of transverse relaxation time constants; estimating a first diffusive couple factor from the first distribution; replacing the fluid of the at least a portion of the sample with another fluid; performing a second NMR measurement with zero magnetic field gradient on the at least a portion of the sample containing the another fluid to obtain a second distribution of transverse relaxation time constants; estimating a second diffusive couple factor from the second distribution; and estimating the viscosity of the fluid using the first diffusive couple factor and the second diffusive couple factor. | 2009-08-06 |
| 20090195247 | METHOD AND APPARATUS FOR DYNAMIC DISTORTION CORRECTION IN EPI MEASUREMENTS IN MEDICAL MAGNETIC RESONANCE IMAGING - In a magnetic resonance tomography method and apparatus (MRT), as employed in medicine for examination of patients, for dynamic distortion correction in EPI measurements, image acquisitions are acquired that are adjacent in a periodic/alternating manner differ with regard to phase information, phase coding direction or with regard to the echo time, and based on this difference a field map and/or a displacement map is calculated with which at least one distorted result image is corrected. | 2009-08-06 |
| 20090195248 | TABLE-TOP MAGNETIC RESONANCE IMAGING APPARATUS WITH PERMANENT MAGNET - A table-top MRI system with substantially reduced capital requirements enables various applications to be used on education and research institution and various laboratory use for MRI applications. A magnetic structure is disclosed with two rectangular permanent magnets, four right triangular permanent magnets, and four right trapezoidal permanent magnets. The MRI system further comprises an RF assembly distinguished by its tuning system. | 2009-08-06 |
| 20090195249 | MAGNETIC SHIELDING FOR A PET DETECTOR SYSTEM - A positron emission tomography (PET) detector ring comprising: a radiation detector ring comprising scintillators ( | 2009-08-06 |
| 20090195250 | MEASUREMENT WHILE DRILLING TOOL WITH INTERCONNECT ASSEMBLY - An embodiment of the apparatus includes a first drill collar section having an outer surface, an MWD tool for interaction with an earth formation coupled to the first drill collar section, the MWD tool including a first fluid line and a first electrical conduit, a second drill collar section, and an interconnect assembly coupling the second drill collar section to the first drill collar section, the interconnect assembly comprising a fluid line connection coupled to the first fluid line and an electrical connection coupled to the first electrical conduit. Another embodiment of the apparatus includes a probe, an interconnect assembly adapted for fluid communication and electrical communication, and a sample bottle drill collar section including at least one removable sample bottle in fluid communication with the probe. Another embodiment of the apparatus includes a flush pump mounted in the power collar section and coupled to the probe. An additional embodiment includes a fluid ID sensor disposed in a flow line between the flush pump and the probe. | 2009-08-06 |
| 20090195251 | APPARATUS, SYSTEM AND METHOD FOR RECEIVING A VERTICAL COMPONENT OF A SIGNAL AND FOR DETERMINING A RESISTIVITY OF A REGION BELOW A GEOLOGIC SURFACE FOR HYDROCARBON EXPLORATION - A system for determining resistivity of a region below a geologic surface by transmitting a signal from a marine location above the sea floor to a receiver comprises a vertical dipole, vertical coil, or other antenna. The receiver may have a vertical dipole, including a first conductor structure and a second conductor structure, as well as a first member. The first conductor structure may be disposed below the sea floor and the second conductor structure may be disposed above the first conductor structure. The receiver may receive the signal at the sea floor. The system may be used in a method that includes releasing the remote reader from a surface vessel, activating a drive head on the remote reader, creating a hole in the sea floor, and disposing a first conductor structure within the hole. | 2009-08-06 |
| 20090195252 | Battery Sensor Unit and Method for Manufacturing the Battery Sensor Unit - A method is described for manufacturing a battery sensor unit, in particular a battery sensor unit for a motor vehicle battery, comprising a cable holder for a cable end of a cable. The method includes sliding a sleeve composed of a resistor material onto the cable end, at least one first measuring tap being installed between the cable end and an inner circumference of the sleeve. The cable end provided with the sleeve and the measuring tap is inserted into the cable holder and is permanently connected thereto to form a measuring device. A battery sensor unit is described having a fastening device for fastening the battery sensor unit to a contact of a battery, in particular a motor vehicle battery, and having a measuring device for detecting the state of the battery. The measuring device includes a cable end of a cable, a sleeve that is composed of a resistor material and encloses the cable end, at least one first measuring tap, which is installed between an inner circumference of the sleeve and the cable end, and a cable holder which accommodates the sleeve in a permanent connection. | 2009-08-06 |
| 20090195253 | Method for Assessment of Electrostatic Properties of Fibers or Substrates - Method for assessment of electrostatic properties of fibers or substrates, this method being particularly useful for demonstrating the efficacy of a composition for minimizing the accumulation of particles onto fiber or substrate, and for supporting advertising claims about this efficacy. | 2009-08-06 |
| 20090195254 | Method for Assessment of Electrostatic Properties of Fibers or Substrates - Method for assessment of electrostatic properties of fibers or substrates, this method being particularly useful for demonstrating the efficacy of a composition for minimizing the accumulation of particles onto fiber or substrate. | 2009-08-06 |
| 20090195255 | Apparatus and method for monitoring and controlling detection of stray voltage anomalies - Apparatus and methods for detecting stray voltage anomalies in electric fields are provided herein. In some embodiments, an apparatus for detecting an electrical field may comprise: at least one sensor probe for generating data corresponding to an electrical field detected by the at least one sensor probe, wherein the at least one sensor probe comprises at least one electrode; a processor, coupled to the at least one sensor probe, for analyzing the data to identify a voltage anomaly in the electric field; and an indicator, coupled to the processor, for alerting a user to a presence of the voltage anomaly in the electric field. | 2009-08-06 |
| 20090195256 | Input Channel Diagnostics - This invention relates to input channel diagnostics for an industrial process control system. The invention provides improved apparatus and methods relating to fault containment, overload protection and input channel diagnostics. | 2009-08-06 |
| 20090195257 | Method and device for monitoring a first voltage value - A method for monitoring a first voltage value of a signal voltage that resides within a signal voltage range, is outputtable by an electronic component, and is recordable by a measuring device having an input voltage range that is smaller than the signal voltage range, a voltage divider transforming the signal voltage range into the input voltage range, a first voltage value being initially measured by the measuring device, a component having an electrical resistance being at least partially connected in parallel to the voltage divider; a second voltage value being subsequently measured by the measuring device, and the result of the monitoring being derived from the comparison of the first and second voltage values. In addition, a device having a voltage divider, switch means and a component having an electrical resistance, the component having an electrical resistance being connectable at least partially in parallel via the switch to the voltage divider. | 2009-08-06 |
| 20090195258 | CONTROLLING AN ANALOG SIGNAL IN AN INTEGRATED CIRCUIT - A method of controlling an analog signal in an integrated circuit includes generating a first control signal having a first predetermined duration within the integrated circuit. The first control signal is configured to cause the analog signal to have a first signal level. The first signal level is compared to a level of a target signal. A second control signal is generated within the integrated circuit based on a result of the comparison. The second control signal is configured to cause the analog signal to have a second signal level. The second control signal has a second predetermined duration that is different than the first predetermined duration. | 2009-08-06 |
| 20090195259 | Microwave Probe Device - A probe for obtaining a measure of one or more properties in a sample wherein the probe comprises a support member ( | 2009-08-06 |
| 20090195260 | LOW-PROFILE ELECTRICAL RESISTANCE CORROSION SENSOR - A thin and narrow electrical resistance corrosion sensor defines measurement, reference and check resistors as abutting serially disposed portions of a thin strip-like metal resistance element, such as a carbon steel or ductile iron element, having metallurgical properties which match those of a corrodible structure of interest such as a pipeline buried in the ground. The resistance element is bonded to a thin, long and narrow nonconductive structural substrate to which is also bonded a flat wire harness which includes conductors connected to the ends of the resistance element and to selected locations of the element between its ends. The resistance element, the substrate, and the wire harness and its connections to the resistance element are encapsulated by a nonconductive protective coating except over the area of the measurement resistor so that such resistor can be exposed to the adjacent environment. The sensor can be used with conventional corrosion measurement instruments. Arrangements for use of plural sensors to measure corrosion due to direct current in a structure of interest, and to measure corrosion due to alternating currents in that structure, also are described. | 2009-08-06 |
