06th week of 2009 patent applcation highlights part 19 |
Patent application number | Title | Published |
20090033265 | Monitoring Unit for Monitoring the Load of an Electric Motor - A monitoring unit is disclosed for monitoring the load of an electric motor. In at least one embodiment, the monitoring unit provides for the motor load to be monitored over the entire torque range. For this purpose, the monitoring unit uses linearizing matching of the indication variable. First, the monitoring unit is provided for detecting a motor current and a phase angle between the supply voltage and the motor current in the operating state of the motor. Furthermore, it includes at least one device for forming an indication variable from the motor current and the phase angle as a measure for monitoring the electric load of the motor. | 2009-02-05 |
20090033266 | Solid state switch gate firing with phase shift delay line - A gate firing phase shift delay line technique is described for use in DC motor drive systems and is easily adaptable for controlling a plurality of electronically coupled power modules. A drive regulator is configured to produce a master gate firing timing signal for controlling the gate firing pattern of switching devices for a first power module. One or more delay blocks are configured to generate slave gate firing timing signals that are phase locked and identical but delayed in time with respect to the master signal. Each additional delay block is coupled to an additional power module having a set of switching devices controllable by the slave signals. The current output of each power module is summed via summing circuitry to deliver an output suitable to drive motors or other electrical loads in high power applications. The power modules can also be connected in series to combine (sum) the voltages for delivery to an electrical load. The present technique allows for DC motor drive systems to be tuned to a higher bandwidth level due to increased stability, resulting in increased drive performance and production speed. | 2009-02-05 |
20090033267 | Wiper Apparatus - A wiper apparatus includes: a wiper switch; an operation state detection device; a control device having an output section and an input section; a wiper motor; and a power supply. The wiper motor and the control device are connected by a single signal line; the operation state detection device and the input section are connected to the signal line; and the control device performs input of the wiper operating signal from the signal line when a predetermined period of time has elapsed from a point in time when an output of a wiper driving signal from the output section has stopped. | 2009-02-05 |
20090033268 | POWER SUPPLY SYSTEM WITH FUNCTION OF SHORT CIRCUIT DETECTION - There are provided upper and lower switching elements | 2009-02-05 |
20090033269 | Method for using a control device in a safety-related environment - There is described a method for using a mobile control device, with which a machine can be operated within an assigned effective range. To this end an effective range list is configured, which is checked on the basis of transponder data from RFID transponders. | 2009-02-05 |
20090033270 | Position Feedback Device for a Motor - A position feedback device for a motor comprises a driven member and a sensing device. The driven member is indirectly connected to the motor and driven by it. The sensing device detects the travel length of the motor by sensing the driven member. With the method of indirectly sensing the motor, the measurement error, production cost can be reduced, and the assembling position is flexible. | 2009-02-05 |
20090033271 | MACHINE TOOL HAVING FUNCTION OF CORRECTING MOUNTING ERROR THROUGH CONTACT DETECTION - A machine tool capable of automatically correcting an orientation of a workpiece or machining attachment based on detection results from position detectors that the machine tool inherently has. The machine tool comprises: position detectors; position deviation determining means; contact detection means that detects a contact between a probe and a surface of the workpiece or the machining attachment based on a position deviation; movable axis stopping means; coordinate value detection means; inclination determining means; and correction means. The inclination determining means moves linear axes to perform detection of contacts between the probe and the surface of the workpiece or the machining attachment at least two different points, and determines an inclination of the workpiece or the machining attachment using the obtained coordinate values. The correction means corrects a mounting error of the workpiece or the machining attachment, or corrects the machining program based on the determined inclination. | 2009-02-05 |
20090033272 | TECHNIQUES FOR REDUNDANCY AND FAULT TOLERANCE IN HIGH DEMAND MACHINE SAFETY APPLICATIONS - Self-sensing feedback functionality for electromechanical actuators/motors is provided for use in operation and/or as a redundant safety mechanism to attain safety certification without adding extra bulk or wiring to the motor. An actuator can be manufactured having one or more saliencies that cause a spatial variance of inductance. A high frequency signal can be injected into the actuator and sampled to determine a current, voltage, or other electrical parameter. The parameter can be evaluated against the known saliencies of the actuator to determine a position of the actuator and/or an associated rotor. Additionally, the position can be evaluated as a function of time to determine a velocity. This can provide an alternative method for operating the electromechanical actuator according to the position/velocity provided. Additionally, this can provide a redundant feedback channel for safety certification without requiring additional actuator parts. | 2009-02-05 |
20090033273 | Direct Drive Torque Motor - A direct drive torque motor comprises: a body, a direct drive torque motor, a main shaft, a bearing assembly, a brake assembly, a cooling assembly, and a position-sensing assembly. The bearing assembly is used to position the main shaft in the direct drive torque motor and the body. The brake assembly is disposed between the body and the main shaft. The cooling assembly is located in the body to cool the torque motor. The position-sensing assembly is mounted on the body for sensing the rotation of the main shaft and then controls the drive of the direct drive torque motor. With above arrangements, the direct drive torque motor can be used on various machines that need to rotate to perform various angle control, rotation control and accuracy control, it can improve the life and the modular application of the product. | 2009-02-05 |
20090033274 | SYSTEM FOR USING A MULTI-PHASE MOTOR WITH A DOUBLE-ENDED INVERTER SYSTEM - Systems and apparatus are provided for an inverter system for use in a vehicle having a first energy source and a second energy source. The inverter system comprises an electric motor having a first set of windings and a second set of windings. The inverter system further comprises a first inverter coupled to the first energy source and adapted to drive the electric motor, wherein the first set of windings are coupled to the first inverter. The inverter system also comprises a second inverter coupled to the second energy source and adapted to drive the electric motor, wherein the second set of windings are coupled to the second inverter. A controller is coupled to the first inverter and the second inverter to achieve desired power flow between the first energy source, the second energy source, and the electric motor. | 2009-02-05 |
20090033275 | Controller for induction motor - A controller for an induction motor includes a storage device which stores values in a plurality of addresses, a first counter which transits circularly among first to N-th states, a second counter which transits circularly among first to fourth states, a calculating section which calculates calculation values, and a signal generation section which generates PWM signals and synchronous interruption signals at constant time pitch such that pulse widths of the PWM signals are adjusted based on the calculation values respectively. An inverter supplies electric power to an induction motor based on the PWM signals. The first counter transits from one to next of the first to N-th states synchronously to each of the synchronous interruption signals. The second counter transits from one to next of the first to fourth states synchronously to each transition of the first counter from the N-th state to the first state. The calculating section, synchronously to each of the synchronous interruption signals, calculates one of the calculation values based on the first counter and the second counter from one of the values stored in one of the plurality of addresses. | 2009-02-05 |
20090033276 | BATTERY CHARGER, SECONDARY BATTERY UNIT AND ELECTRIC APPARATUS EQUIPPED THEREWITH - A mobile telephone has a rechargeable battery, and the rechargeable battery is charged through a battery charger; the battery charger includes an information processing system serving as a charge controller and a battery manager; the battery manager measures a discharging time period of the rechargeable battery so as to store pieces of duration data expressing a charge-and-discharge cycle, and determines a charge initiation level and a charge completion level on the basis of the pieces of duration data in such a manner to reduce the number of charging operation without shortage of electric charge for the rechargeable battery; and the charge controller carries out the charging with reference to the charge initiation level and charge completion level so that the rechargeable battery is prolonged in life time. | 2009-02-05 |
20090033277 | Battery charging system and mobile and accessory devices - Various embodiments of the present invention are directed at a method and system for recharging batteries for wireless electronic devices. According to one embodiment, a battery charging and monitoring system is disclosed. The system includes a host machine providing a plurality of charging slots and a plurality of wireless devices coupled to and powered by a plurality of batteries. The host machine is adapted to communicate with the plurality of wireless devices through a plurality of wireless links to monitor the plurality of batteries coupled to the wireless devices. According to another embodiment, an electronic device is disclosed. The electronic device is adapted to couple with at least a rechargeable battery and to negotiate with the rechargeable battery for an agreed range of power parameters. The electronic device is further adapted to accept power from and to provide power to the rechargeable battery at the agreed range of power parameters. | 2009-02-05 |
20090033278 | Host machines for battery charging system - Various embodiments of the present invention are directed at a method and system for recharging batteries for wireless electronic devices. According to one embodiment, a host machine for recharging rechargeable batteries for wireless devices is disclosed. The host machine includes a plurality of wireless devices coupled to and powered by a first plurality of rechargeable batteries and a plurality of charging slots configured to couple with a second plurality of rechargeable batteries. The host machine is adapted to provide power to charge the second plurality of rechargeable batteries and to hold in standby a third plurality of rechargeable batteries comprising the second plurality of rechargeable batteries that have been fully charged. According to an embodiment, the host machine is further adapted to join a network of host machines and to share the batteries in standby with each other. | 2009-02-05 |
20090033279 | Easy Cleaning C-Shaped Charging Base - A charging base has a generally C-shaped housing and a charging element. The generally C-shaped housing has an upper part and a lower part. The upper part has an upper surface substantially parallel to a lower surface and an opening extending from the upper surface to the lower surface. The opening has a first width and a second width. A notch is located at the intersection of the first width and the second width. The lower part has a beveled surface generally parallel to and beneath the lower surface of the upper part. The charging element, which provides power to recharge a battery, is located beneath the beveled surface of the lower part. The opening and notch are configured to hold a rechargeable assembly alternately in a first charging position and a second ready position | 2009-02-05 |
20090033280 | CONTACT-LESS POWER SUPPLY, CONTACT-LESS CHARGER SYSTEMS AND METHOD FOR CHARGING RECHARGEABLE BATTERY CELL - The present invention relates to a contact-less power supply magnetically coupled to a battery device having a receiving coil therein, for contact-less charging the battery device, the contact-less power supply having a sending coil array including a plurality of sending coils for inducing a charging power to the receiving coil; and a driving means for detecting a sending coil magnetically coupled to the receiving coil and selectively driving only the detected sending coil. | 2009-02-05 |
20090033281 | Battery power supply - A battery power supply for use with an electronic device, such as a computer, uses a multi-cell battery, and a recharging circuit. Cells of the battery are serially interconnected to produce positive output voltages of 3.6, 4.8 and 12 volts DC and negative voltages of 4.8 and 12 volts DC. The power supply includes output terminals for delivering the DC voltages to power inlets of the device nominally rated at 12, 5 and 3.3 volts DC. The recharging circuit includes an AC voltage input terminal and outputs corresponding to the battery output terminals. | 2009-02-05 |
20090033282 | Voltage adjusting apparatus - For providing a reliable voltage adjusting apparatus in low cost, a low-voltage control apparatus controls a high-voltage power supply circuit to be switched power off by transmitting a power-off signal through a second communication line arranged between the high-voltage power supply circuit and itself through an isolation unit when an information signal from an equalizing apparatus is not transmitted within a predetermined first malfunction judging period. The equalizing apparatus stops an equalizing process in itself when the information signal from the low-voltage control unit | 2009-02-05 |
20090033283 | ADJUSTABLE BATTERY CHARGER FOR UPS - An uninterruptible power supply (UPS) having an adjustable battery charger that generates a charger current, and a controller, coupled to the adjustable battery charger, that receives a signal representative of a system constraint and provides a reference, based on the signal, to the adjustable battery charger to control an amplitude of the charger current supplied by the adjustable battery charger based on the system constraint. The system constraint may include, for example, a maximum input current to the UPS, maximum charging current of the battery cell, and maximum and/or minimum charger current values. | 2009-02-05 |
20090033284 | Charging device with battery capacity analysis function - The present invention provides a charging device with battery capacity analysis function, wherein a charging device includes a control unit, a computing unit, a display unit, a charging unit and a discharging unit. When the charging unit is connected to and charging a battery, the control unit determines whether the power of the battery is fully charged or not, and after the battery is fully charged, then the charging unit stops charging, and at the same time the discharging unit implements discharging of the battery. Moreover, the control unit controls stopping of electric discharge after the battery power is exhausted, which enables the computing unit to determine and calculate actual effective capacity of the battery, and enables the display unit to display the calculated capacity data, after which fully charging of the battery continues, thereby enabling the charging device to achieve battery capacity analysis and charging effectiveness. | 2009-02-05 |
20090033285 | APPARATUS FOR ESTIMATING STATE OF CHARGE OF RECHARGEABLE BATTERY CHARGED BY VEHICLE-MOUNTED POWER GENERATION APPARATUS - The apparatus is for estimating a state of charge of a rechargeable battery charged by a vehicle-mounted power generation apparatus capable of generating a variable output voltage. The estimating apparatus includes a detecting function of detecting a charging/discharging current of the rechargeable battery, and an estimating function of making an estimation of the state of charge on the basis of relationship data defining the relationship among the output voltage, the state of charge, and a convergence value to which the charging/discharging current converges through transient behavior thereof in a state where variation of the output voltage is below a predetermined value after the output voltage is changed. | 2009-02-05 |
20090033286 | Cell and Supercapacitor Battery Pack - Described is a battery pack including a housing and at least one cell disposed in the housing to provide power to an electronic device. The battery pack also includes a supercapacitor disposed in the housing to provide additional power to the electronic device. | 2009-02-05 |
20090033287 | System and Method for Powering Docked Portable Information Handling System - A portable information handling system powered through a docking station charges an internal battery based on available power sensed at the docking station and communicated to a charger of the information handling system. A dock sensor on the information handling system selectively interfaces a local power sensor if the information handling system is not docked or a docking station sensor if the information handling system is docked. Available power sensed at the docking station is communicated to a battery charger of the information handling system by a differential wire pair interfaced through a docking connector. | 2009-02-05 |
20090033288 | CHARGING CONTROL DEVICE FOR VEHICLE - To reduce the size and weight of a vehicle including a battery and a charger, which is not mounted on the vehicle, for charging the battery with a charging current supplied from a power source. | 2009-02-05 |
20090033289 | VOLTAGE CONVERTER WITH COMBINED BUCK CONVERTER AND CAPACITIVE VOLTAGE DIVIDER - A voltage converter including a buck converter and a capacitive voltage divider. The converter includes four capacitors, a switch circuit, an inductor and a controller. A first capacitor is coupled between a reference node and a first output node which develops a first output voltage. A second capacitor is coupled between an input node and either the reference node or the first output node. The switch circuit couples a third capacitor between the reference and first output nodes in a first state of a PWM signal, and couples the third capacitor between the first output and input nodes in a second PWM signal state. The inductor is coupled to the third capacitor and provides a second output node coupled to the fourth capacitor providing a second output voltage. The controller controls the duty cycle of the PWM signal to regulate the second output voltage to a predetermined level. | 2009-02-05 |
20090033290 | APPARATUS FOR ESTIMATING STATE OF CHARGE OF RECHARGEABLE BATTERY CHARGED BY VEHICLE-MOUNTED POWER GENERATION APPARATUS - The apparatus, which is for estimating a state of charge of a rechargeable battery charged by a vehicle-mounted power generation apparatus capable of generating a variable output voltage, includes a first function of quantifying charging/discharging history of the rechargeable battery, and a second function of performing estimation of a state of charge of the rechargeable battery on the basis of a parameter which indicates a charging/discharging current of the rechargeable battery when variation of the output voltage of the vehicle-mounted power generation apparatus is below a predetermined value, and the quantified charging/discharging history, while eliminating an effect which polarization of the rechargeable battery due to the charging/discharging history has on the charging/discharging current before the variation of the output voltage becomes below the predetermined value. | 2009-02-05 |
20090033291 | BATTERY CHARGER - A charging signal Vi responding to a charging current is inputted to one input terminal (−) of an operational amplifier | 2009-02-05 |
20090033292 | Battery status detecting method and battery status detecting apparatus - A battery status detecting method for detecting a battery status of a secondary battery is disclosed. The method includes: an open circuit voltage correcting step of obtaining a temperature-corrected value of the open circuit voltage of the secondary battery according to the temperature of the secondary battery, based on first open circuit voltage characteristics indicating the relationship between the open circuit voltage and the temperature of the secondary battery; and a charge rate correcting step of obtaining a temperature-corrected value of the charge rate of the secondary battery according to the temperature-corrected value of the open circuit voltage obtained in the open circuit voltage correcting step, based on second open circuit voltage characteristics indicating the relationship between the open circuit voltage and the charge rate of the secondary battery. | 2009-02-05 |
20090033293 | VOLTAGE CONVERTER WITH COMBINED CAPACITIVE VOLTAGE DIVIDER, BUCK CONVERTER AND BATTERY CHARGER - A voltage converter including a capacitive voltage divider combined with a buck converter and battery charger. The converter includes four capacitors, a switch circuit, an inductor and a controller. The capacitors form a capacitor loop between an input node and a reference node and include a fly capacitor controlled by the switch circuit, which is controlled by a PWM signal to half the input voltage to provide a first output voltage on a first output node, and to convert the first output voltage to the second output voltage via the inductor. The controller controls the PWM signal to regulate the second output voltage, and provides a voltage control signal to control the input voltage to maintain the first output node between a predetermined minimum and maximum battery voltage levels. A battery charge path is coupled to the reference node and battery charge mode depends upon the battery voltage. | 2009-02-05 |
20090033294 | VEHICLE SOURCE DEVICE - A vehicle source device capable of performing a more accurate temperature-rise corresponding to the ability of the capacitor is provided. The correlation of the temperature and the internal resistance corresponding to the ability of the current capacitor in time of activation is obtained in advance, the internal resistance is obtained for every repetition of charge/discharge, and the temperature of the inside of the capacitor is obtained from the correlation. Since the accurate temperature of the inside of the capacitor is obtained, the capacitor is accurately temperature-raised to the target temperature. | 2009-02-05 |
20090033295 | CONTROLLER OF GENERATOR FOR VEHICLE - A controller of a generator ( | 2009-02-05 |
20090033296 | DEVICE, METHOD, AND SYSTEM FOR IMPROVING ELECTRICAL POWER FACTOR AND HARMONIC POWER QUALITY THROUGH ACTIVE CONTROL OF POWER QUALITY IMPROVING ELECTRICAL APPLIANCES - A system, method and device for controlling and modifying the current drawn by an electrical load in a way that will improve the electrical power factor and harmonic quality of at least a portion of an electrical power system. In one embodiment of the invention, the invention includes a controller device that monitors the electrical current entering a site and modifies or corrects power quality of the current by directing how power will be consumed by the appliances at a site to improve the harmonic and power factor qualities of the electrical current entering the site. | 2009-02-05 |
20090033297 | SINGLE-BOARD POWER SUPPLY STRUCTURE AND METHOD FOR PROVIDING POWER SUPPLY - A single-board power supply structure and a method for providing a power supply are provided. An operational processor sends control signals capable of controlling the output of the power supply to a DC/DC converter. The DC/DC converter converts a received bus voltage into a required power supply voltage according to the received control signals. The operational processor may further monitor the output of the power supply and report the monitored result to a connected upper-layer machine, and may also control the sequence of a plurality of the outputs of the power supply converted by the DC/DC converter by controlling the time for sending the control signals. The structure and the method provided by the present invention can both uniformly, timely, and effectively monitor the output of the single-board power supply. | 2009-02-05 |
20090033298 | Voltage regulator with a hybrid control loop - A voltage regulator circuit and method are provided for regulating a voltage accurately in response to rapid variations in the regulator's load. The voltage regulator utilizes a hybrid loop; an embodiment of such utilization is exemplified by circuit | 2009-02-05 |
20090033299 | STEP-DOWN TYPE SWITCHING REGULATOR, CONTROL CIRCUIT THEREOF, AND ELECTRONIC DEVICE USING THE SAME - A pulse signal generating circuit generates a pulse signal having a duty ratio controlled such that the output voltage approaches a reference voltage. A driver circuit generates first and second gate voltages, which are to be respectively applied to the gates of a switching transistor and a synchronous rectifier transistor, based upon the pulse signal. A threshold voltage generating unit generates a threshold voltage which is synchronous with the second gate voltage, and which is in the high-level state during a period when the synchronous rectifier transistor is to be turned off and in the low-level state during a period when the synchronous rectifier transistor is to be turned on. A light-load detection comparator compares a switching voltage with the threshold voltage, and outputs a light-load detection signal. | 2009-02-05 |
20090033300 | Output control device, and AC/DC power source device, circuit device, LED backlight circuit device, and switching DC/DC converter device each using output control device - In one embodiment of the present invention, an output control device is disclosed capable of reducing a chip size and realizing a low cost. An output control device includes a switching transistor controlling an output voltage by having an on/off time ratio controlled and a control IC controlling the on/off time ratio of the switching transistor on the basis of the output voltage controlled by the switching transistor. The switching transistor is made of a lateral power MOSFET. | 2009-02-05 |
20090033301 | POWER ELECTRONICS DEVICES WITH INTEGRATED GATE DRIVE CIRCUITRY - A power switch apparatus includes a substrate; a semiconductor die mounted on the substrate and including power electronics circuitry for a high power, alternating current motor application; and gate drive circuitry mounted on the substrate and electrically coupled to the power electronics circuitry on the semiconductor die. | 2009-02-05 |
20090033302 | Voltage conversion device - When a voltage conversion operation is started, a control circuit ( | 2009-02-05 |
20090033303 | PIEZOELECTRIC TRANSFORMER TYPE HIGH-VOLTAGE POWER APPARATUS AND IMAGE FORMING APPARATUS - A piezoelectric transformer type high-voltage power source apparatus to control an output voltage from a piezoelectric transformer to a load, and an image forming apparatus including the same, the piezoelectric transformer type high-voltage power source apparatus including: an output voltage detection unit to compare the output voltage with an output control voltage, and to output a digital value according to the comparison; and a driving control unit to control a driving frequency and a duty rate of the piezoelectric transformer according to the digital value. Accordingly, the piezoelectric transformer type high-voltage power source apparatus can stably perform frequency and duty rate control without experiencing an abnormal oscillation or uncontrollable state due to a manufacturing irregularity of particular components and/or a change in temperature, and a high voltage can be output within a short rise time. | 2009-02-05 |
20090033304 | Low-Loss Control of DC-DC Converters In An Energy Storage System - An energy storage system including a buck-boost DC-DC converter operable so as to minimize switching loses. The system includes a first energy storage device, e.g., a bank of ultracapacitors, and a second energy storage device, e.g., a second bank of electrolytic capacitors. Both first and second energy storage devices are connected to the DC-DC converter. The DC-DC converter is operated in a non-standard manner so as to reduce switching and other losses. In particular, the DC-DC converter may be operated in an alternate buck mode so as to force on a switch S | 2009-02-05 |
20090033305 | PWM/PFM Control Circuit and Switching Power Supply Circuit - A PWM/PFM control circuit has a differential time generating means for forming a differential time signal representing a differential time corresponding to a difference between the pulse width of a PWM control signal and the pulse width of a PFM control signal on condition that the pulse width of the PWM control signal is smaller than the pulse width of the PFM control signal, and the oscillation frequency of a reference signal serving as a reference for forming the PWM control signal is controlled based on the differential time signal to a low value in accordance with the differential time. | 2009-02-05 |
20090033306 | Voltage trimming - Embodiments are provided that include a memory die, memory devices, and methods, such as those comprising a voltage generator, including an output voltage and an adjustment circuit configured to cause adjustment of the output voltage based on a latch signal. Further one such method includes applying an input voltage to an input of a voltage generator, adjusting the input voltage to an adjusted voltage, comparing the adjusted voltage to a reference voltage, generating trim data based on the comparison and storing the trim data. | 2009-02-05 |
20090033307 | METHOD AND APPARATUS FOR A HIGH VOLTAGE POWER SUPPLY CIRCUIT - A control circuit for use in a power supply is disclosed. An example control circuit according to aspects of the present invention includes a signal generator coupled to generate an output signal to control switching of a power switch to be coupled to the control circuit. A feedback circuit is coupled to receive a feedback signal, which is representative of an output of the power supply during a feedback portion of an off time of the power switch. The signal generator generates the output signal in response to the feedback circuit to control a fraction of the feedback portion of the off time of the power switch that the feedback signal is above a threshold and another fraction of the feedback portion of the off time of the power switch that the feedback signal is below the threshold. | 2009-02-05 |
20090033308 | COMPONENT RELIABILITY BUDGETING SYSTEM - A system may include acquisition of a supply voltage information representing past supply voltages supplied to an electrical component, acquisition of a temperature information representing past temperatures of the electrical component, and control of a performance characteristic of the electrical component based on the supply voltage information and the temperature information. Some embodiments may further include determination of a reliability margin based on the supply voltage information, the temperature information, and on a reliability specification of the electrical component, and change of the performance characteristic based on the reliability margin. | 2009-02-05 |
20090033309 | Reconfigurable topology for switching and linear voltage regulators - A configurable voltage regulator ( | 2009-02-05 |
20090033310 | VOLTAGE REGULATOR - A voltage regulator. A pass element has a control gate and outputs an output voltage according to an input voltage and a control signal received from the control gate. A feedback circuit generates a feedback signal according to the output voltage. A bandgap circuit generates a reference voltage according to the output voltage. An amplifier generates a first signal according to the feedback signal and the reference voltage. A start-up circuit generates the control signal according to the reference voltage and the first signal. | 2009-02-05 |
20090033311 | Current Source with Power Supply Voltage Variation Compensation - A multipath current source has separate reference current, control current and output current paths. Voltages in the reference current and control current paths are monitored. Any differences between those two voltages are fed to the gates of current control devices in the reference, control and output current paths to maintain the currents in all paths substantially constant with changes in supply voltage. | 2009-02-05 |
20090033312 | Electric field detector - The detector utilises the microstructure and effects integration of an electric field over the volume of a ferrite core. The detector, in one form, includes upper ferrite pole half ( | 2009-02-05 |
20090033313 | METHOD AND APPARATUS FOR DETERMINING A CHARACTERISTIC CURVE FOR AN ELECTRIC VARIABLE OF A WIND ENERGY PLANT - The present invention is related to a method for determining a characteristic curve ( | 2009-02-05 |
20090033314 | MICRO-ELECTROMECHANICAL SYSTEM (MEMS) BASED CURRENT AND MAGNETIC FIELD SENSOR - A micro-electromechanical system (MEMS) current and magnetic field sensor for sensing a magnetic field produced by a conductor includes a magneto-MEMS component for sensing the magnetic field and an interference-MEMS component for sensing an interference, wherein the magneto-MEMS component and the interference MEMS component are used to provide an indication of the current in the conductor. | 2009-02-05 |
20090033315 | PERMANENT MAGNET TYPE POSITION SENSOR - A position sensor includes a longitudinally extending permanent magnet member at least two longitudinally extending arc-shaped projecting elements respectively projecting from the opposite ends toward the inside space to confront each other at a distance and a pair of compatible main magnetic sensors disposed in the inside space along the longitudinal axis at an interval so as to generate a pair of output signals when the permanent magnet member shifts along the longitudinal axis. The opposite ends of the permanent magnet member are configured to surround a common inside space and polarized to have opposite magnetic poles so as to provide in the inside space a magnetic field whose magnetic flux density becomes a maximum at a longitudinal center of the inside space and gradually becomes smaller as a position of the inside space shifts from the longitudinal center along a longitudinal axis of the permanent magnet members. The arc-shaped projecting elements are arranged so that the magnetic flux density and each of the output signals can be expressed by a cosine of a shift value from the longitudinal center, and the interval is ¼ of the cycle of the cosine. | 2009-02-05 |
20090033316 | SENSOR FOR POSITION AND GAP MEASUREMENT - An apparatus including a controller, a transport in communication with the controller having a movable portion and a transport path and a multi-dimensional position measurement device in communication with the controller, the multi-dimensional position measurement device including a plurality of transformers and at least one element attached to the movable portion, wherein the multi-dimensional position measurement device is configured so that a circuit is completed in at least one plurality of transformers as the at least one element passes proximate to the at least one of the plurality of transformers and the controller is configured to calculate a multi-dimensional position of the movable object based on an output of the at least one of the plurality of transformers, wherein the multi-dimensional position includes at least a gap between the movable portion and the plurality of transformers. | 2009-02-05 |
20090033317 | Position Detector - In a position detecting apparatus, a magnetic scale part has a magnetic pattern formed by magnetization along a longitudinal direction. An increased magnetization part is arranged at an end portion of the magnetic scale part in the longitudinal direction. The increased magnetization part is magnetized with an increased intensity of magnetization as compared to the magnetic scale part. A magnetic field shaping part is disposed adjacent to the magnetic scale part for shaping a magnetic field generated from the magnetic scale part. A magnetic detection part detects both the magnetic field from the magnetic pattern of the magnetic scale part and the magnetic field from the increased magnetization part. The magnetic detection part is arranged in opposed relation to the magnetic scale part movably in the longitudinal direction of the magnetic scale part. The magnetic pattern and the increased magnetization part are arranged along a track through which the magnetic detection part moves. | 2009-02-05 |
20090033318 | Magnetic Sensing Device with an Elastic Balance Member - A magnetic sensing device with an elastic balance member comprises a magnetic ruler, a sensing head and an elastic balance member. The sensing head is parallelly moveable relative to the magnetic ruler, the elastic balance member is movably assembled on the sensing head by assembly portions, such that the elastic balance member provides a buffering effect to absorb the impact force, pulling force or pushing force during the displacement of the sensing head. In addition, the elastic balance member further formed with a turning portion with a predetermined curvature, which is connected to the assembly portion and can strengthen the structure of the elastic balance member to make the elastic balance member strong enough to resist pressure. | 2009-02-05 |
20090033319 | SYSTEM AND METHOD OF PERPENDICULARLY MAGNETIZING POSITION INFORMATION IN A MAGNETICALLY HARD LAYER OF A MOVING COMPONENT - A position-sensing system magnetically senses the position of a piston rod moving with respect to a cylinder. A magnetically hard layer on the piston rod provides a recording medium. Information is perpendicularly magnetized in regions of the magnetically hard layer. These regions provide an encoding scheme for determining the position of the piston rod. Magnetic-field sensors are positioned over redundant tracks of magnetically recorded regions. Each magnetic-field sensor positioned over a given track senses the same magnetized regions while the piston rod moves with respect to the cylinder. Other magnetic-field sensors can sense ambient fields for use in performing common-mode rejection. A write head can dynamically repair damaged or erased regions detected by the magnetic-field sensors. Energized by a battery-backup power source, the magnetic-field sensors and associated circuitry can continue to track movement of the piston rod when the machinery is off. | 2009-02-05 |
20090033320 | Angle detector - In an angle detector according to the present invention, a magnetic rotor is rotated while being face-to-face between a pair of magnetic stator strips of each of magnetic stator portions provided separately to an annular stator frame, so high-accuracy detection is carried out irrespective of decentering of a rotary shaft. | 2009-02-05 |
20090033321 | Rotational Angle Detection Device - A rotational angle detection device enables rotational angle detection for rotational angles ranging from 0° to 360° with an extremely simple configuration. The rotational angle detection device includes: a rotating magnet 12, which is mounted on one end of a rotating shaft 11; a four-pole auxiliary magnet 14, which is mounted on a substrate 13 opposed to the rotating magnet 12 without contact; and a magnetic sensor 15, which is mounted on the opposite side of the substrate 13. The four-pole auxiliary magnet 14 converts one rotating magnetic field of 0° to 360° provided by the rotating magnet 12 in a region where the magnetic sensor 15 is positioned into another rotating magnetic field of 0° to 180°. | 2009-02-05 |
20090033322 | STATE MEASURING APPARATUS FOR ROTARY MACHINE - There are provided first and second characteristic change portions | 2009-02-05 |
20090033323 | METHOD AND APPARATUS FOR NONDESTRUCTIVE INSPECTION OF INTERWOVEN WIRE FABRICS - A method and apparatus for nondestructive inspection of interwoven wire fabric components. The apparatus comprises a probe, a power source, and a display system. The probe is capable of creating a magnetic field for a plurality of wires in an interwoven wire fabric component such that disturbances of the magnetic field caused by the plurality of wires can be detected. The power is a source connected to the probe and is capable of sending an alternating current through the probe to generate the magnetic field for the wire. The display system is connected to the probe and is capable of displaying results from detecting the magnetic field and disturbances of the magnetic field. | 2009-02-05 |
20090033324 | MAGNETIC FIELD DETECTING APPARATUS - The magnetic field detecting apparatus is provided with: a magnetic field detecting unit for outputting one of two signals having different potential levels from each other in response to a perpheral magnetic field; an energizing control unit for producing a periodic energizing control signal indicative of timing at which the magnetic field detecting unit is energized by employing a clock signal and another signal obtained by frequency-dividing, or frequency-multiplying the clock signal, and for supplying the produced energizing control signal to the magnetic field detecting unit; a first inverting unit for inverting the potential level of the output signal of the magnetic field detecting unit; and an energizing time period control unit for supplying a time period control signal to the energizing control unit, the time period control signal controlling the time period of the energizing control signal in response to the potential level of the output signal of the magnetic field detecting unit, and the potential level of the signal obtained by inverting the potential level of the output signal by the first inverting unit. The energizing time period control unit supplies any one of two pieces of the energizing control signals whose durations and time periods are different from each other, during which the magnetic field detecting unit is not energized, in response to the potential level of the time period control signal supplied from the energizing time period control unit. | 2009-02-05 |
20090033325 | Nuclear Magnetic Resonance Measuring Method for Solid Samples - In the IR (Inversion Recovery) method, to observe a phenomenon in which a nuclear spin returns to a steady state, a 90-degree pulse is irradiated after a lapse of time τ after finishing applying a 180-degree pulse. An FID signal starts being processed after a lapse of reception delay time Dd after finishing applying the 90-degree pulse. Among the FID signals from protons in a plurality of environments in a solid sample, an FID signal high in time-dependent attenuation rate almost disappears during the lapse of reception delay time Dd. Therefore, an FID signal of a proton in an environment intended to be measured can be easily selected and extracted from FID signals of other protons. | 2009-02-05 |
20090033326 | SIMULTANEOUSLY CYCLED NMR SPECTROSCOPY - The present invention relates to a method for simultaneously conducting multiple steps of a cycle of a nuclear magnetic resonance (NMR) experiment without the use of pulsed magnetic field gradients during signal detection in which one or more spatially selective radiofrequency pulses are applied to a sample under conditions effective to simultaneously spatially distribute the radiofrequency power associated with each of the cycle steps to a plurality of spatially discrete sections within the sample such that each section executes an individual step of the cycle and the resultant NMR signals from each of the cycle steps are produced simultaneously. | 2009-02-05 |
20090033327 | Magnetic Resonance Imaging of a Continuously Moving Object - A continuous moving table magnetic resonance imaging method is proposed where a ‘lateral’ read out is performed that is transverse to the direction of motion. This magnetic resonance imaging method for imaging a moving object includes spatially selective RF excitations are applied for respective phase-encodings. The sub-volume is excited by the spatially selective RF excitation moves with the motion of the object for respective subsets of primary phase-encodings. Acquisition of magnetic resonance signals is performed from a three-dimensional sub-volume of the object. The magnetic resonance signals are read encoded in a direction transverse to the direction of motion of the object and phase-encoded in at least the direction of motion of the object. | 2009-02-05 |
20090033328 | METHOD AND DEVICE FOR OPTIMIZATION OF IMAGING PARAMETERS - In a method and computerized device for determination of imaging parameters for the acquisition of a magnetic resonance image of an examination subject, initial imaging parameters are established, a calculation is made, based on the initial imaging parameters, of signal intensities for tissue types that occur at least in a portion of the examination subject, and the imaging parameters for the acquisition of the magnetic resonance image under are adapted dependent on the calculated signal intensities. | 2009-02-05 |
20090033329 | Self-calibrating nuclear magnetic resonance gyro - The method and apparatus in one embodiment may have: a gyro housing containing a bias field; a bias field that generates a stable axial magnetic field; Xenon or other gas contained within at least a portion of the axial magnetic field, Xenon or other gas nuclear spins precessing at a constant angular rate with respect to the gyro housing in response to the axial magnetic field; wherein reversing a polarity of the bias field reverses a polarity of the magnetic field and a polarity of the precession of the Xenon or other gas nuclear spin, and wherein a reversing of the polarity of the gyro scalefactor thereby results without reversing a polarity of the gyro bias. | 2009-02-05 |
20090033330 | SUPERCONDUCTOR WITH ENHANCED HIGH MAGNETIC FIELD PROPERTIES, MANUFACTURING METHOD THEREOF, AND MRI APPARATUS COMPRISING THE SAME - A superconductor exemplarily described herein includes a superconducting material containing magnetic impurities and non-magnetic disorders formed in the superconducting material. The superconductor described herein is suitable for use in magnet applications and power transmission. | 2009-02-05 |
20090033331 | OPTICAL FIBER LANDING INDICATOR WITH DISTRIBUTED TEMPERATURE SENSOR CALIBRATION - An optic fiber cable landing indicator includes a housing; a landing head receptive to an optic fiber cable plug and translatable within the housing; and an electronics module at the housing and responsive to movement of the landing head to initiate a signal readable at a remote location confirming landing of the optic fiber cable and method to confirm fiber optic landing. | 2009-02-05 |
20090033332 | TELEMETRY SUBSYSTEM TO COMMUNICATE WITH PLURAL DOWNHOLE MODULES - A system for use in a wellbore includes plural modules for positioning in the wellbore and including respective interfaces, where the plural modules are configured to perform predefined downhole tasks in the wellbore. The plural modules are associated with respective local power sources. A telemetry subsystem enables communication between at least two of the plural modules, where the communication between the at least two of the plural modules allows one of the two modules to affect an operation of another of the two modules. | 2009-02-05 |
20090033333 | APPARATUS AND METHOD FOR MEASURING PARAMETERS ASSOCIATED WITH ELECTROCHEMICAL PROCESSES - This invention is directed to devices, apparatus, systems and methods for non-invasive sensing of activities occurring within an entity such as an organism. The method comprises sensing at least one characteristic of a current source from under the surface of the entity over a period of time; conveying at least one electrical signal corresponding to the at least one characteristic to an electrolytic cell so as to induce an electrolytic reaction over the period of time; and measuring at least one electrical output of the electrolytic reaction so as to sense at least one activity within the entity over the period of time. | 2009-02-05 |
20090033334 | Contact configuration for undertaking tests on circuit board - An electronic structure (for example a reliability board or a cycling control module) has a body including a body portion insertable into a connector. A plurality of contact structures are provided on a side of the body portion, each contact structure comprising a first contact and a second contact spaced from the first contact, with the first and second contacts of each contact structure being aligned in the direction of insertion of the body portion into the connector. A corresponding second plurality of contact structures is provided on a side of the body portion opposite the first-mentioned side. These contacts connect with respective corresponding contacts of the connector. | 2009-02-05 |
20090033335 | METHOD OF DIGITAL EXTRACTION FOR ACCURATE FAILURE DIAGNOSIS - A method for testing VLSI circuits comprises a two-pass diagnostic method for testing a circuit wherein a first pass comprises a conventional test flow wherein an ATPG tool generates a set of test patterns and identifies possible faulty nets within the circuit. A second pass focuses on a designated critical subset of the circuit extracted using a method for extracting a subset for failure diagnosis of the tested circuit. A second pass utilizes an extraction algorithm which extracts one or more critical subsets of the circuit in order to obtain more accurate failure diagnosis. | 2009-02-05 |
20090033336 | WIRELESS REMOTE DETECTOR SYSTEMS AND METHODS - A device for associating a circuit breaker with a circuit may have one or more sensors for remotely sensing that a circuit is active. When a sensor senses that a circuit is active, a transmitter may transmit a signal to a receiver that alerts a user. In this manner, the user may determine which of a plurality of different circuit breakers is associated with a particular circuit. This device mitigates the contemporary need to repeatedly turn off circuit breakers, go to the room in which the circuit is being monitored, and check to see if the circuit is active. | 2009-02-05 |
20090033337 | TEMPORARY CHIP ATTACH TEST CARRIER UTILIZING AN INTERPOSER - A testing substrate comprises internal circuitry connected to external contacts by wiring and meltable conductors are connected to the external contacts of the testing substrate. An interposer having substrate contacts on a first side is connected to the meltable conductors. The interposer is maintained apart from the testing substrate by the meltable conductors. The interposer comprises chip contacts on a second side opposite the first side. The chip contacts are adapted to temporarily connect to an integrated circuit chip being tested and burned-in. The chip contacts can have a different spacing than the substrate contacts. The interposer also includes conductive vias running from the first side to the second side and directly connecting the substrate contacts to the chip contacts. | 2009-02-05 |
20090033338 | SYSTEMS AND METHODS FOR FACILITATING USE OF A UNIVERSAL TEST CONNECTION FOR A PLURALITY OF DIFFERENT DEVICES - A module is used for interfacing between a particular device to be tested (DUT) and a test station having a universal set of connections. The module is adapted for bridging both the physical and electrical differences between connection points available on the DUT and the universal test connections. The module contains information (personality data) unique to the particular DUT and is designed to mount in a tray in which the DUT is positioned. The personality module resides partially within an environmentally controlled area and an area outside of the environmentally controlled area and is adapted to seal the environmentally controlled area so as to maintain testing integrity therein. In one embodiment, the connections between the module and the test station occur outside of the environmentally controlled area. | 2009-02-05 |
20090033339 | VECTOR IMPEDANCE MEASUREMENT SYSTEM AND METHOD OF USING SAME - A vector impedance measurement system ( | 2009-02-05 |
20090033340 | SYSTEM AND METHOD FOR HIGH RESOLUTION SENSING OF CAPACITANCE OR OTHER REACTIVE IMPEDANCE CHANGE IN A LARGE DYNAMIC RANGE - Systems and methods are provided for sensing or measuring capacitive or inductive reactance or changes in reactance in which the sensed reactance is coupled with a known resistance in a sensor circuit and a start signal is provided to the sensor circuit, and a programmable delay line is used to generate a programmable delay signal. The outputs of the programmable delay and the sensor circuits are compared to ascertain which transitions first, and the programmable delay value is adjusted in successive approximation fashion to identify a programmable delay that best represents the delay time of the sensor circuit from which the sensed reactance value can be determined. | 2009-02-05 |
20090033341 | CAPACITIVE TACTILE TILE SENSOR - A capacitive tile tactile sensor is described and includes several groups of individual sensors each controlled by a dedicated IC. Individual sensors are formed by sensing electrodes on one side of the sensor and a single ground electrode on the other side, the ground electrode is separated from the sensing electrodes by a compressible dielectric layer. A single electrical connection between the ground electrode and the sensing electrode layer allows for routing of all electrical connections including individual electrodes and a ground electrode to appropriate ICs within the same layer using conductive ink or other similar techniques. Stand-alone configurations are described as well as those adapted for communicating with outside control means including a personal computer. Arranging groups of sensors in parallel with each other creates a matrix of sensors while arranging them along a single line creates a linear strip sensor. Using off-the-shelf capacitance-sensing ICs to control a limited number of capacitance sensors allows reducing the number of electrical connections to the sensor array and increasing its reliability. | 2009-02-05 |
20090033342 | Sensor Device - The invention relates to a sensor device for producing signals that provide information as to whether an object, especially the limbs of a person, are present in an area of observation. The aim of the invention is to provide a sensor device which allows generation of measuring signals that have high informative value with respect to the presence of an object in an area of observation. For this purpose, a sensor device comprises a support structure extending along an area of observation. A plurality of detection sections is configured one after the other on the support structure for detecting detection events in the zone of observation defined by the respective detection section. The invention provides a monitoring circuit which allows an area of observation, extending along a boundary zone of some length, subdivided into small sections, for example a closing edge, to be monitored in an especially precise manner. | 2009-02-05 |
20090033343 | Capacitive sensing apparatus that uses a combined guard and sensing electrode - A capacitive sensing apparatus includes capacitive sensor electrodes, and a combined guard and sensing electrode that is disposed proximate to the capacitive sensor electrodes. The combined guard and sensing electrode has at least a first operating mode and a second operating mode. In the first operating mode, the combined guard and sensing electrode can detect an object at a distance that is greater than the distance at which the object can be sensed by the capacitive sensor electrodes. In the second operating mode, the combined guard and sensing electrode can electrically guard the capacitive sensor electrodes. | 2009-02-05 |
20090033344 | Resistance measurement method and component inspection process - In a first step, two conductive plates such as two zinc galvanized (electroplated) steel plates with films formed on surfaces thereof, are prepared; a flexible conductive material is held between these two zinc galvanized (electroplated) steel plates. A spacer is also held between the two zinc galvanized (electroplated) steel plates to regulate the space therebetween and a measurement object such as a conductive cloth is held between the flexible conductive material and at least one of the zinc galvanized (electroplated) steel plates. In a second step, the electric resistance between the two zinc galvanized (electroplated) steel plates is measured while the flexible conductive material is held together with the measurement object between the two conductive plates. | 2009-02-05 |
20090033345 | System and method for characterizing a load at the end of a cable - Apparatus within power sourcing equipment and a method for determining whether a load within a powered device coupled to the power sourcing equipment via a cable is within an acceptable resistance range. If the load is within the acceptable resistance range, a voltage source is coupled to the load. In one embodiment one recharge interval is employed during which a capacitor is charged based, at least in part, on the voltage drop across the load and one discharge interval is employed during which a capacitor is discharged based, at least in part, on the voltage drop across the load. In a second embodiment, first and second recharge and discharge intervals are employed and prior to initiation of the recharge and discharge intervals, settling time periods are provided. | 2009-02-05 |
20090033346 | GROUP PROBING OVER ACTIVE AREA PADS ARRANGEMENT - A group probing over active area (POAA) pads arrangement includes a chip having a set of bonding pads, at least a first set of probing pads and a second set of probing pads. Each of the first set of probing pads and the second set of probing pads are electrically connected to one of the corresponding bonding pads, respectively. And each of the first set of probing pads and the second set of probing pads are interlaced in a diagonal line pattern. According to a concept of grouping and interlacing the probing pads, each bonding pad obtains at least two probing pads. Therefore times of test probing performed on each probing pad are reduced and repeated probe's pressures toward inter metal dielectric (IMD) layers underneath the probing pads are consequently reduced. | 2009-02-05 |
20090033347 | Measuring board for electronic device test apparatus - A performance board able to secure low loss, low reflection, stable transmission characteristics even when using a high frequency signal to test an electronic device and able to suppress signal leakage to the outside and entry of noise, provided with a base board having a signal pattern electrically connected with a socket formed on its front surface, a coaxial connector to which a coaxial cable electrically connecting the performance board and test apparatus is connected, passing through the base board from the back surface toward the front surface, and having a front exposed part of the center contact bent and electrically connected to the signal pattern, and a cover member covering the front exposed part of the center contact and correcting the impedance of the front exposed part. | 2009-02-05 |
20090033348 | ELECTRICAL SIGNAL CONNECTOR - A probe card which can be used for testing narrow-pitched chips or multi-chips, and causes no faulty connections between probes and pads or between probes and a circuit board even in a high temperature environment such as in a burn-in test is provided. For this purpose, probe units in which multiple film probes are supported by support rods in a stacked or parallel-arranged manner are placed and fixed in each of the openings in a grid support. A plurality of fixing devices protruding from the grid support at a side to be connected to the circuit board are provided to be inserted in corresponding holes in the circuit board to fix the grid support to the circuit board. There is no or subtle difference between an outer diameter of an inserting section of the fixing device and an inner diameter of the hole in the circuit board around the center of the circuit board with the inserting section inserted in the hole, and the difference is larger at the rest of the area of the circuit board. | 2009-02-05 |
20090033349 | PROBE ASSEMBLY - An inexpensive probe assembly is provided which is applicable to narrow pad arrangements of LSI circuit designs, while closely-arranged wiring patterns near probe terminals is distributed effectively on an inspection substrate. A probe assembly is provided which is fabricated by etching metallic foil adhering to a resin film to form a conductive pattern including probing function on the resin film, and stacking or parallel-arranging a plurality of the resin films with probing function, the probe assembly used for inspecting circuits on a semiconductor chip by making probe tips collectively contact electrode pads on the chip, characterized in that the probe assembly includes an electrical terminal which is connected to the probe via the conductive pattern and is made to contact with a connecting land of the circuit board at an opposite side in a first direction (vertical direction) on the same plane as the probe. | 2009-02-05 |
20090033350 | Element Substrate, Inspecting Method, and Manufacturing Method of Semiconductor Device - A substrate including a semiconductor layer, where characteristics of an element can be evaluated with high reliability, and an evaluating method thereof are provided. A substrate including a semiconductor layer of the invention has a closed-loop circuit in which an antenna coil and a semiconductor element are connected in series, and a surface of an area over which the circuit is formed is covered with an insulating film. By using such a circuit, a contactless inspection can be carried out. Further, a ring oscillator can be substituted for the closed-loop circuit. | 2009-02-05 |
20090033351 | TEST STRUCTURE FOR ELECTROMIGRATION ANALYSIS AND RELATED METHOD - A test structure for electromigration and related method are disclosed. The test structure may include an array of a plurality of multilink test sets, each multilink test set including a plurality of metal lines positioned within a dielectric material and connected in a serial configuration; each multilink test set being connected in a parallel configuration with the other multilink test sets, the parallel configuration including a first electrical connection to a cathode end of a first metal line in each multilink test set and a second electrical connection to an anode end of a last metal line in each multilink test set. | 2009-02-05 |
20090033352 | HANDLER AND PROCESS FOR TESTING A SEMICONDUCTOR CHIPS USING THE HANDLER - A test handler includes a loading unit including a loading picker and a loading ascending/descending unit, an unloading unit including an unloading picker and an unloading ascending/descending unit, and a chamber system. A passage site connects the loading unit and the chamber system, and also connects the chamber system and the unloading unit. The arrangement of the handler reduces the time for the loading and unloading processes by performing the loading and unloading processes on separate test trays located at separate loading and unloading positions. | 2009-02-05 |
20090033353 | SYSTEMS AND METHODS FOR ELECTRICAL CHARACTERIZATION OF INTER-LAYER ALIGNMENT - Systems and methods for electrical characterization of inter-layer alignment. In one embodiment, a wafer including a plurality of test structures are accessed. The plurality of test structures include chains of conductive segments on multiple layers, coupled by vias. The plurality of test structures are designed with varying amounts of intentional misalignment between the multiple layers. The reactance of each of the plurality of test structures is measured. The reactance is analyzed to determine the process-induced inter-layer misalignment of the integrated circuit wafer. | 2009-02-05 |
20090033354 | Multi-purpose poly edge test structure - Multi-purpose poly edge test structure. According to an embodiment, the present invention provides a test structure. The test structure includes a doped silicon substrate, the doped silicon substrate being grounded, the doped silicon substrate including a first gate structure and a second gate structure, the first and second gate structures overlaying the doped silicon substrate. The test structure also includes a first conducting pad being electrically coupled to the first gate structure. The test structure also includes a second conducting pad being electrically coupled to the second gate structure. | 2009-02-05 |
20090033355 | Method And Apparatus To Measure Threshold Shifting Of A MOSFET Device And Voltage Difference Between Nodes - An on-chip circuit to quantitatively measure threshold voltage shifts of a MOSFET. The circuit includes a programmable Vt reference sensor; a programmable Vt monitoring sensor; and a comparator for receiving inputs from the reference and monitoring sensors providing an output flag signal. The shifting of the MOSFET device voltage threshold monitors process variations, geometry sensitivity, plasma damage, stress, and hot carriers and other device damages. The same circuit also measures voltage differences between any two nodes in an integrated circuit chip or wafer. | 2009-02-05 |
20090033356 | SYSTEM AND METHOD FOR ANALYZING END TO END TESTING - A system and method are provided for using a class H amplifier in a tester for testing protective relaying equipment, particularly useful in conducting end to end testing. The class H amplifier is configured to provide separation between the amplifier and the power supply of the tester using a DSP which also offers flexibility for programming algorithms to realize efficiencies in matching the waveform to the output rail. End to end testing is also improved by including expected results for the test case used by the tester to enable the tester to determine how close the results are to what is expected. This offers time savings and is less prone to error in that the expected results can be predetermined by a qualified/experienced professional. | 2009-02-05 |
20090033357 | Winding fault detection system - A control system is disclosed. The control system has an electric machine coupled to provide power to or receive power from a DC bus and a controller in communication with the electric machine and the DC bus. The controller is configured to receive a voltage from the DC bus, compare the voltage from the DC bus to a characteristic indicative of a fault of at least one winding of the electric machine, and take a precaution based on the comparison. | 2009-02-05 |
20090033358 | PROGRAMMABLE VIA DEVICES IN BACK END OF LINE LEVEL - Programmable via devices and methods for the fabrication thereof are provided. In one aspect, a programmable via device is provided. The programmable via device comprises a first dielectric layer; at least one isolation layer over the first dielectric layer; a heater within the isolation layer; a capping layer over a side of the isolation layer opposite the first dielectric layer; at least one programmable via extending through the capping layer and at least a portion of the isolation layer and in contact with the heater, the programmable via comprising at least one phase change material; a conductive cap over the programmable via; a second dielectric layer over a side of the capping layer opposite the isolation layer; a first conductive via and a second conductive via, each extending through the second dielectric layer, the capping layer and at least a portion of the isolation layer and in contact with the heater; and a third conductive via extending through the second dielectric layer and in contact with the conductive cap. | 2009-02-05 |
20090033359 | Programmable logic device with millimeter wave interface and method for use therewith - A programmable logic device includes at least one input port, at least one output port, a plurality of configurable blocks and a program interface module coupled to configure the plurality of configurable blocks, the input ports and the output port in accordance with a configuration file. One or more millimeter wave transceivers operate in accordance with a millimeter wave protocol to wirelessly receive the configuration file, to wirelessly receive input data at the input ports, and/or to wirelessly receive output data from the output port. A millimeter wave RF bus is optionally included to couple the configurable blocks in accordance with the configuration file, either to one another or to other components such as a memory and a processor. | 2009-02-05 |
20090033360 | PROGRAMMABLE VIA DEVICES WITH AIR GAP ISOLATION - Programmable via devices and methods for the fabrication thereof are provided. In one aspect, a programmable via device is provided. The programmable via device comprises a first dielectric layer; a heater over the first dielectric layer; an air gap separating at least a portion of the heater from the first dielectric layer; an isolation layer over the first dielectric layer covering at least a portion of the heater; a capping layer over a side of the isolation layer opposite the first dielectric layer; at least one programmable via extending through the capping layer and at least a portion of the isolation layer and in contact with the heater, the programmable via comprising at least one phase change material; a conductive cap over the programmable via; a second dielectric layer over a side of the capping layer opposite the isolation layer; a first conductive via and a second conductive via, each extending through the second dielectric layer, the capping layer and at least a portion of the isolation layer and in contact with the heater; and a third conductive via extending through the second dielectric layer and in contact with the conductive cap. | 2009-02-05 |
20090033361 | Switching circuits and methods for programmable logic devices - A switching circuit can have a plurality of first signal lines of a programmable logic device, a plurality of second signal lines of the programmable logic device, and a plurality of switch elements. Each switch element can selectively couple one first signal line to a second signal line and include one or more switch junction field effect transistors (JFETs) having a first control gate separated from a second control gate by a channel region. | 2009-02-05 |
20090033362 | Method for Forming a Structure on a Substrate and Device - In one aspect, a method of forming a structure on a substrate is disclosed. For example, the method includes forming a first mask layer and a second mask layer, modifying a material property in regions of the first and second mask layers, and forming the structure based on the modified regions. | 2009-02-05 |
20090033363 | Multi-function input terminal - A single terminal is usable to configure an integrated circuit into one of three states. A circuit within the integrated circuit is coupled to the terminal and determines whether the terminal: 1) is tied low by an external connection, or 2) is tied high by an external connection, or 3) is floating or is substantially floating. If the circuit determines that the terminal is floating or is substantially floating, then the circuit sets an operational characteristic of a portion of the circuit (for example, sets a maximum current with which the circuit charges a battery) to have a value that is a function of a resistance of an external resistor coupled to the terminal. If no external resistor is present, then the terminal is floating and the operational characteristic is set to have a zero value. The terminal and circuit are particularly suited to use in a USB battery charger. | 2009-02-05 |
20090033364 | INTEGRATED CIRCUIT DEVICE FOR RECEIVING DIFFERENTIAL AND SINGLE-ENDED SIGNALS - An integrated circuit device includes a receiver that is capable of receiving and converting either differential input signals or two unrelated single-ended input signals. | 2009-02-05 |