08th week of 2014 patent applcation highlights part 17 |
Patent application number | Title | Published |
20140049214 | ANTI-THEFT CHARGING SYSTEM - An anti-theft charging system for charging a chargeable battery of an electric vehicle is disclosed and includes a power supplying device, an output terminal assembly, and a burglarproof detecting device. The power supplying device is used for outputting a charging energy. The output terminal assembly is electrically connected with the power supplying device and detachably coupled to the electric vehicle for receiving and transmitting the charging energy to the chargeable battery. The burglarproof detecting device includes a responding unit and a detecting unit. The responding unit is disposed within the output terminal assembly for issuing a response signal, and the detecting unit is disposed within the power supplying device and in signal connection with the responding unit for detecting the response signal. If the output terminal assembly is stolen, the detecting unit realizes that the output terminal assembly is stolen according to a change of the response signal. | 2014-02-20 |
20140049215 | METHOD FOR MONITORING THE CHARGING MODE OF AN ENERGY STORE IN A VECHILE AND CHARGING SYSTEM FOR CHARGING AN ENERGY STORE IN A VECHILE - In a method for monitoring the charging mode of an energy store in a vehicle which is drivable via an electric machine, the energy store is connected in the charging mode to an external energy supply system via a charging circuit which includes a unit operated as the boost converter, a controllable rectifier having upstream filter capacitors, and a system filter. A DC link capacitor is switched in parallel to the energy store. During the charging mode, at least one current and/or one voltage is monitored at the input, at the output, and/or within the charging circuit, and/or a function of a control unit of the rectifier and/or of the unit operated as the boost converter is monitored. If malfunction is detected, the charging circuit is switched into a free-running mode. | 2014-02-20 |
20140049216 | VEHICLE RUNNING MANAGEMENT SYSTEM UNDER RENEWABLE ENERGY - A vehicle running management system under renewable energy includes an electrically driven vehicle having a battery ECU. The battery ECU manages a remaining amount of renewable energy in a vehicle-mounted electric storage device as it increases and decreases when renewable energy is charged into the vehicle-mounted electric storage device and renewable energy is discharged from the vehicle-mounted electric storage device. | 2014-02-20 |
20140049217 | CHARGING SYSTEM FOR MINIMIZING SYSTEM ENERGY - A vehicle-mounted electric storage device of an electrically driven vehicle is charged with a necessary amount of energy, which corresponds to an amount of energy consumption in a next-time running of the electrically driven vehicle, such that a shortage of renewable energy at a charging site is compensated for by charging the electrically driven vehicle with system energy. | 2014-02-20 |
20140049218 | SYSTEM FOR CHARGING AN ELECTRIC OR HYBRID VEHICLE - The invention relates to a System for charging an electric or hybrid vehicle ( | 2014-02-20 |
20140049219 | BATTERY CHARGING APPARATUS FOR ELECTRIC VEHICLE - A battery charging apparatus for an electric vehicle includes a first converter part configured to convert a first voltage, which is inputted with rectification, into a second voltage; and a second converter part configured to output a third voltage for charging a battery for the electric vehicle by converting the second voltage into a direct current. The output end of the first converter part comprises a first and a second output terminal. The second converter part comprises a first switching element connected with the first output terminal; a second switching element connected with the second output terminal; a first output capacitor serially connected with the first switching element; and a second output capacitor serially connected with the second switching element. The time during which the first switching element is turned on does not overlap the time during which the second switching element is turned on. | 2014-02-20 |
20140049220 | Alternating Current Digital Universal Charger - An AC digital universal charger is provided, wherein a button spring and a pushing button are provided at a middle part of a pushing cover; a pressure baffle is provided at a front part of the pushing cover; an AA cathode spring, a pressure spring and an AA cathode hardware are provided on the pressure baffle; a positioning bolt is connected to a positioning block; the positioning block and the pressure clasp are mounted to a lower part of the pushing slip cover via an AA cathode connecting screw and an AA cathode connecting hardware; and the clasp bolt is further connected to a lower part of the pushing button by inserting. A battery is positioned and charged by energizing the charger, putting the battery at a battery zone, adjusting the charger buttons, pressing down the pushing button to further press the battery tightly and then releasing the pushing button. | 2014-02-20 |
20140049221 | IN-VEHICLE ELECTRONIC SYSTEM - An in-vehicle electronic system includes an in-vehicle charging device adapted to charge a plurality of mobile devices and an in-vehicle electronic device that displays information from the mobile devices being charged by the in-vehicle charging device. The electronic device control unit controls portions of a notification unit corresponding to installation areas of charging base to notify communication states of the mobile device's being charged in the installation areas of the charging base. | 2014-02-20 |
20140049222 | Method for Opportunistically Balancing Charge Between Battery Cells - Systems and methods for balancing battery cells of a battery pack are disclosed. In one example, a charge imbalance is determined while battery cells operate in a high charge resolution voltage range. The charge imbalance determined during operation in the high charge resolution voltage range may be removed when the battery cells are operated in a low charge resolution voltage range. The system and method may be particularly useful for balancing battery cells that operate in the low charge resolution voltage range for a large portion of their operating time. | 2014-02-20 |
20140049223 | RECHARGEABLE PROGRAMMABLE INTELLIGENT VARIABLE OUTPUT BATTERY MODULE - A battery module of the present invention is described for providing programmable variable power output to a device. The battery module has a body, a first contact located at a first end of the body, a second contact located at a second end of the body, a battery received in the body, and a battery controller. The first contact includes at least one electrical contact surface having concentric raised and recessed surfaces. The second contact has at least one electrical contact surface that includes a nipple extending outwardly therefrom. The battery controller is located in the body, and is in electrical communication with the first contact, the second contact and the battery. The battery controller is programmed to monitor an electrical demand by the device and to control an electrical discharge from the battery. | 2014-02-20 |
20140049224 | SYSTEM AND METHOD FOR BALANCING VOLTAGES - A circuit providing voltage cell balancing is provided. The circuit includes a cell balancing network comprising separate switching circuits, each being configured to balance a respective cell voltage for a respective cell of a plurality of voltage cells based on a respective switching control signal. A control circuit includes a plurality of current sources, each of the plurality of current sources selectively connected to a respective one of the separate switching circuits to independently control operation of each of the separate switching circuits of the cell balancing network to balance the voltage across the plurality of voltage cells. | 2014-02-20 |
20140049225 | ELECTRIC CELLS FOR BATTERY PACK, BATTERY CONTROL SYSTEM, AND BATTERY CONTROL METHOD - There are provided electric cells, a battery pack containing three or more electric cells, a battery control system and a battery control method. An electric cell for a battery pack will be interconnected with another cell to be used as a battery pack. For example, an electric cell comprises an electrochemical cell, a communication unit communicating with other electric cells, a measurement unit acquiring cell-state of the electrochemical cell, and a discharge unit discharging the electrochemical cell. The communication unit transmits a cell-state of the electrochemical cell and receives external information. The discharging unit discharges the electrochemical cell based upon both the cell-state of the electrochemical cell and the received external information. | 2014-02-20 |
20140049226 | SYSTEMS AND METHODS FOR BATTERY PARAMETER ESTIMATION - The present disclosure relates to estimation of battery parameters, including SOC and SOH using a plurality of particles, each of which represents at least one parameter and at least one state of a battery system. A system model may simulate the battery system using processing logic. Each of the plurality of particles may propagate through the system model to generate a plurality of modeled particle values, each of which may be compared to a measurement of an electrical parameter of the battery system. Each particle may be weighted based upon a comparison of the modeled particle value and the measurement. A successive plurality of particles may be generated based upon the weight assigned to each of the plurality of modeled particle values. A number of iterations may be performed to generate a tuned plurality of modeled particle values, upon which an estimated parameter of the battery system may be based. | 2014-02-20 |
20140049227 | METHOD FOR ESTIMATING THE SELF-DISCHARGE OF A LITHIUM BATTERY - A method for determining the self-discharge current of a lithium-ion battery provided with a positive electrode, a negative electrode, and an electrolyte arranged between the positive and negative electrodes includes charging the battery until a metal lithium layer is formed between the electrolyte and the negative electrode, measuring the open-circuit voltage of the battery at two moments, and determining the self-discharge current from the variation of the voltage measured between the two moments. | 2014-02-20 |
20140049228 | SYNCHRONOUS POWER CONTROLLER FOR A GENERATING SYSTEM BASED ON STATIC POWER CONVERTERS - The invention relates to a synchronous power controller for a generation system based on static power converters, said controller comprising two main blocks referred to as: block | 2014-02-20 |
20140049229 | POWER GENERATION UNIT DRIVER, POWER GENERATION UNIT AND ENERGY OUTPUT EQUIPMENT IN POWER GRID - A power generation unit driver, a power generation unit and energy output equipment in a power grid are described. The power generation unit driver includes a drive controller for generating a drive signal according to a first control signal and a second control signal obtained thereby, a converter for transforming the input energy from a first voltage into a second voltage according to the drive signal and outputting the same to an electric motor connected to the power generation unit driver. The first control signal runs condition information of the electric motor, and the second control signal includes the power grid frequency and/or the voltage amplitude of the power grid. The concept produces improved effects on the stability of power supply by a power grid. | 2014-02-20 |
20140049230 | NOVEL MULTI-LEVEL CONVERTER TOPOLOGY WITH THE POSSIBILITY OF DYNAMICALLY CONNECTING INDIVIDUAL MODULES IN SERIES AND IN PARALLEL - The present invention describes an electrical converter system for power supply systems, comprising at least two identical individual modules connected consecutively, characterised in that each individual module have at least four internal switching elements, at least one energy storage element and at least four connectors, wherein the connectors are paired and serve as a first and a second terminal pair; the internal switching elements of each individual module are designed in such manner that they are able to selectively connect one or both connectors of each terminal pair to the energy storage element; the cascaded connection of at least two individual modules is made in such manner that the connectors in the second terminal pair of a preceding individual module are each connected to the connectors of the first terminal pair in the respective following individual module, and at least one terminal of the first terminal pair of the first individual module of the cascaded connection and at least one terminal of the second terminal pair of the last individual module of the cascaded connection serve as terminals for the cascaded connection; and wherein the switching elements of the respective individual modules in the cascaded connection of at least two individual modules connect their respective energy storage element to the terminals of the cascaded connection in such manner that a selective serial or parallel connection of the energy storage elements is made. | 2014-02-20 |
20140049231 | PFC SIGNAL GENERATION CIRCUIT, PFC CONTROL SYSTEM USING THE SAME, AND PFC CONTROL METHOD - A PFC signal generation circuit which generates a PFC signal to control a PFC circuit including a first inductor connected to a first switch and a second inductor connected to a second switch includes: a counter whose count value is cleared based on a first timing when a zero current of the first inductor is detected; a counter clear control circuit that clears the counter value after waiting until a cycle lower limit is reached, when the first timing is below the cycle lower limit; a first control signal output unit that outputs a first PFC signal to turn on the first switch at a timing when the count value is cleared; and a second control signal output unit that outputs a second PFC signal to turn on the second switch based on a second timing when a zero current of the second inductor is detected. | 2014-02-20 |
20140049232 | RIPPLE SUPPRESSOR CIRCUIT AND METHOD THEREFOR - In one embodiment, a method of forming a ripple suppressor circuit includes a configuring the ripple suppressor circuit to receive a first signal that is representative of a requested voltage and a second signal that is a filtered value of the first signal. The method also includes configuring the ripple suppressor circuit to determine a peak value of the second signal responsively to the first signal and to determine a minimum value of the second signal responsively to the first signal. The method may also include configuring the ripple suppressor circuit to form an average value of the peak value and the minimum value. | 2014-02-20 |
20140049233 | VIRTUAL ADMITTANCE CONTROLLER BASED ON STATIC POWER CONVERTERS - The invention relates to a virtual admittance controller based on static power converters, comprising a control loop into the inlet of which is injected the difference in voltage between a virtual internal voltage (e) and the voltage at the network connection point (v). Said difference in voltages feeds a virtual admittance processor ( | 2014-02-20 |
20140049234 | REGULATOR FOR CONTROLLING OUTPUT VOLTAGE - There is provided a regulator for controlling an output voltage, capable of stabilizing the voltage output from the regulator. The regulator for controlling an output voltage may include an output current generating unit generating an output current according to a reference voltage, an output voltage detecting unit detecting an output voltage using the output current, according to resistors provided therein, and a controlling unit comparing the output voltage with a preset reference output voltage to control the reference voltage. | 2014-02-20 |
20140049235 | SWITCHING REGULATOR AND THE METHOD THEREOF - A switching regulator including: a power stage having a first power switch and a second power switch coupled in series; a filter circuit having an inductor and an output capacitor; a feedback circuit configured to provide a feedback signal indicating an output voltage of the regulator; and a control circuit configured to provide a switching signal to control the ON and OFF of the first power switch so as to regulate the energy supplied to a load; wherein the control circuit has a peak current generator configured to generate a peak current signal, wherein the gain of a variation of the peak current signal between the contiguous switching cycles is less than one. | 2014-02-20 |
20140049236 | SWITCH CONTROL CIRCUIT, CONVERTER INCLUDING THE SAME AND DRIVING METHOD THEREOF - Disclosed are a switch control circuit, a converter including the same, and a driving method thereof. The converter includes an inductor for storing energy of an input end and providing the same to an output end, a first switch coupled between the inductor and a ground, and a switch control circuit for controlling the first switch by comparing a ramp voltage that corresponds to a current that flows through the first switch and a first voltage that corresponds to an output voltage of the output end. The switch control circuit compares the ramp voltage and the first reference voltage to change the slope of the ramp voltage. | 2014-02-20 |
20140049237 | SWITCHING POWER SUPPLY DEVICE AND ELECTRONIC APPLIANCE THEREWITH - Provided is a switching power source device in which fluctuation of the switching frequency can be suppressed without impairing the advantages of a non-linear control system. A switching power source device is provided with: switching control units of non-linear control type that generate an output voltage (out) from an input voltage (IN) by performing ON/OFF control of switching elements in accordance with the results of comparing a feedback voltage (FB) and reference voltage (REF); and an ON time setting unit that monitors switching voltage (SW) appearing at one end of the switch terminals, and sets the ON time (Ton) of the switching element in the switching control units based on the duty of the switching voltage (SW). | 2014-02-20 |
20140049238 | SWITCH MODE POWER CONVERTER CURRENT SENSING APPARATUS AND METHOD - Methods and apparatus are presented for sensing current flowing in a power transistor of a switch mode converter, in which a voltage is sensed across a first field effect transistor connected in a series circuit branch in parallel with the power transistor, and the sensed voltage is used to generate output signal to indicate the current flowing in the power transistor. | 2014-02-20 |
20140049239 | Current-Mode Controller for Step-Down (Buck) Converter - A current-mode regulator relies on indirect current measurement to facilitate slope compensation used to stabilize the operation of a buck converter. The current-mode regulator comprises an inductor, a switching network, and a controller. The inductor delivers an output current to a load. The switching network selectively connects the inductor input to an input voltage or a second voltage. The regulator controls the switching network. An inner loop control circuit of the regulator comprises the switching network, a current measuring circuit, a slope circuit, a comparator, and a switching controller. The current measuring circuit comprises a passive network connected to the inductor input and operative to indicate an inductor current as a measurement voltage. The slope circuit applies a time-varying voltage having a positive slope to the measurement voltage. The comparator compares a slope compensated measurement voltage to the control voltage. The switching regulator controls the switching network in response to the output of the comparator. | 2014-02-20 |
20140049240 | MULTI-PHASE POWER SUPPLY CONTROLLER AND METHOD THEREFOR - In one embodiment, a method of forming a multi-channel power supply controller includes forming a plurality of channels configured to regulate an output voltage between first and second values, configuring the controller to select a channel that has a lowest current value and initiate forming a drive signal for that channel responsively to the output voltage having a value that is less than the first value, configuring a reset circuit for each channel to terminate the respective drive signal responsively to at least the output voltage having a value greater than the first value. | 2014-02-20 |
20140049241 | DIMMING CONTROL FOR A SWITCHING POWER SUPPLY - An example controller includes a measurement block and a drive block. The measurement block determines an amount of time that a dimmer circuit, that is coupled to an input of a power supply, disconnects an ac input voltage. The drive block generates a drive signal to control switching of a switch included in the power supply. The drive block operates a closed loop dimming control when the amount of time is less than or equal to a threshold and operates an open loop dimming control when the amount of time is greater than the threshold. The closed loop dimming control includes setting one or more operating conditions of the drive signal in response to a feedback signal that is representative of an output quantity of the power supply. The open loop dimming control includes holding the one or more operating conditions of the drive signal to a value. | 2014-02-20 |
20140049242 | REGULATOR DEVICE - A regulator device includes: a power input terminal; a power output terminal; a plurality of regulators each including an operating FET and a monitoring FET to be driven together with the operating FET, the plurality of regulators being arranged in parallel between the power input terminal and the power output terminal; and a controller configured to drive the operating FET and the monitoring FET included in one of the regulators, when the controller determines whether the monitoring FET included in the one of the regulators have degraded, the controller configured to stop driving the operating FET and the monitoring FET included in the one of the regulators and configured to drive the operating FET and the monitoring FET included in another of the regulators. | 2014-02-20 |
20140049243 | CURRENT GENERATOR AND METHOD OF OPERATING - A current generator includes an amplifier having a first terminal configured to receive an input voltage, at least one tunable resistor coupled to a second terminal of the amplifier, a resistor calibration circuit coupled to the at least one tunable resistor, and at least one transistor. A gate of the at least one transistor is coupled to an output of the amplifier, and a terminal of the at least one transistor is coupled to the at least one tunable resistor or a load. The resistor calibration circuit is configured to adjust a resistance setting of the at least one tunable resistor to control a current level of the current generator based on a power supply voltage or a current of a reference resistor. | 2014-02-20 |
20140049244 | Reference Voltage Generation for Single-Ended Communication Channels - An improved reference voltage (Vref) generator useable, for example, in sensing data on single-ended channels is disclosed. The Vref generator can be placed on the integrated circuit containing the receivers, or may be placed off chip. In one embodiment, the Vref generator comprises an adjustable-resistance voltage divider in combination with a current source. The voltage divider is referenced to I/O power supplies Vddq and Vssq, with Vref being generated at a node intervening between the adjustable resistances of the voltage divider. The current source injects a current into the Vref node and into a non-varying Thevenin equivalent resistance formed of the same resistors used in the voltage divider. So constructed, the voltage generated equals the sum of two terms: a first term comprising the slope between Vref and Vddq, and a second term comprising a Vref offset. Each of these terms can be independently adjusted in first and second modes: the slope term via the voltage divider, and the offset term by the magnitude of the injected current. Use of the disclosed Vref generator in one useful implementation allows Vref to be optimized at two different values for Vddq. | 2014-02-20 |
20140049245 | REFERENCE VOLTAGE GENERATION CIRCUIT OF SEMICONDUCTOR DEVICE - A reference voltage generation circuit includes: a reference voltage generation unit configured to generate a plurality of reference voltages having mutually different temperature characteristics, a switching unit configured to select and output one of the plurality of reference voltages in response to a control signal, a temperature detection unit configured to detect temperature change and to output a temperature detection signal, and a control unit configured to generate the control signal in response to the temperature detection to signal. | 2014-02-20 |
20140049246 | POWER SUPPLY ARRANGEMENT WITH A TRANSFORMER HAVING A TRANSFORMER CORE WITH LEGS ARRANGED IN A POLYGON - Power supply arrangement with first transformer (T | 2014-02-20 |
20140049247 | LEAK DETECTION AND LOCATION SYSTEM, METHOD, AND SOFTWARE PRODUCT - Systems, a software product, and a method for leak detection and location where there are multiple distinct layers of waterproofing or roofing membranes separated by insulation or other building materials to create a sealed roofing envelope and in which the system monitors leakage from the primary and secondary membranes and also monitors leakage from the edges of the roofing or waterproofing envelope formed by the membranes. | 2014-02-20 |
20140049248 | SPARK DETECTION DEVICE CAPABLE OF DETECTING CHARACTERISTICS OF A SPARK SIGNAL - A spark detection device includes a sensing element and a comparing element. The sensing element is for sensing a spark signal to generate a sensing signal. A first end of the comparing element is coupled to the sensing element, and a second end of the comparing element is for receiving a threshold signal. The comparing element is for generating an output signal at an output end of the comparing element by performing a comparing operation according to the sensing signal and the threshold signal. | 2014-02-20 |
20140049249 | AC OR DC POWER TRANSMISSION SYSTEM AND A METHOD OF MEASURING A VOLTAGE - The present invention relates to an AC or DC power transmission system. The system comprises a first electrical conductor, a second electrical conductor and an insulating space there between. The system further comprises an electric field measurement device comprising the following components being mounted in optical continuation: a first optical fibre being connected to a light source, a first optical lens, a circular polarization filter, a crystal rod having electro-optical properties, a linear polarization filter, a second optical lens, and a second optical fibre being connected to a light detection unit. The electric field measurement device is located adjacent the first electrical conductor and defines a first minimum distance between the crystal rod and the first electrical conductor and a second minimum distance between the crystal rod and the second electrical conductor. The second minimum distance is at least 10 times larger than the first minimum distance. | 2014-02-20 |
20140049250 | On The Enhancements of Planar Based RF Sensor Technology - A radio frequency sensor system includes a printed circuit board (PCB). The PCB includes a first exterior layer, a second exterior layer, a first interior layer, a second interior layer, and an inner perimeter that defines an aperture through the PCB. The PCB also includes a first loop. The first loop includes a first plurality of sensor pads coupled to a first plurality of vias by a first plurality of traces. The first plurality of sensor pads is arranged on the inner perimeter. The PCB also includes a second loop. The second loop includes a second plurality of sensor pads coupled to a second plurality of vias by a second plurality of traces. The second plurality of sensor pads is arranged on the inner perimeter. A core ring is embedded within the first interior layer proximal to the first plurality of sensor pads, the first plurality of vias, and the first plurality of traces. A center conductor, for carrying RF current, extends through the aperture. The first and second loops generate an electrical signal based on the first and second plurality of sensor pads, the first and second plurality of vias, the first and second plurality of traces, and the core ring. | 2014-02-20 |
20140049251 | SENSORS - Embodiments of the present invention provide an electromagnetic sensor ( | 2014-02-20 |
20140049252 | SCALE MEASURING DEVICE, METHOD FOR GENERATING POSITION INFORMATION, AND DEVICE WITH MULTI-AXIS STAGE - A scale device includes a scale main body having at least two incremental tracks, at least two or more incremental signal detection heads for detecting incremental signals from the incremental tracks, and an operation processing unit that generates, based upon detection outputs by the two or more incremental signal detection heads, relative positional information in a measuring direction of a measuring axis and parallel movement amount information in a direction orthogonal to the measuring direction. | 2014-02-20 |
20140049253 | POWER MEASURING APPARATUS - The present invention provides various thin-film sensor type power measuring apparatuses which can be constructed in a simplified and compact structure so as to measure the power of high-frequency circuits or batteries. This power measuring apparatus includes: a magnetic film disposed in parallel to a primary conductor through which a load current flows; a power supply with input and output terminals for supplying an element current to the magnetic film; a bias magnetic field applying unit for applying a DC magnetic field in a direction that is parallel, perpendicular, or diagonal to the direction of magnetization of the magnetic film; and a detection unit for detecting the voltage between the ends of the magnetic film in the direction of the element current. The power measuring apparatus detects only the DC voltage component between the ends of the magnetic film in the direction of the element current. | 2014-02-20 |
20140049254 | NON-DESTRUCTIVE TESTING DEVICE - The device has a processor ( | 2014-02-20 |
20140049255 | CORELESS CURRENT SENSOR STRUCTURE, CORELESS CURRENT SENSOR, AND CURRENT DETECTION METHOD - In coreless current sensors of a coreless current sensor structure, and in a current detection method employed in the coreless current sensor structure, a coil-like portion that surrounds the outer circumference of a conductor, such as a shield plate, is formed of a connecting line connected to a terminal of a magnetic detection element. | 2014-02-20 |
20140049256 | RESONANT MEMS LORENTZ-FORCE MAGNETOMETER USING FORCE-FEEDBACK AND FREQUENCY-LOCKED COIL EXCITATION - A method includes supplying a current to at least one conductive path integral with a MEMS device to thereby exert a Lorentz force on the MEMS device in the presence of a magnetic field. The method includes determining the magnetic field based on a control value in a control loop configured to maintain a constrained range of motion of the MEMS device. The control loop may be configured to maintain the MEMS device in a stationary position. The current may have a frequency equal to a resonant frequency of the MEMS device. | 2014-02-20 |
20140049257 | MEASUREMENT OF PROPERTIES OF FLUIDS USING MRI - A method of determining rheological properties of a fluid. The method includes: providing an open-bore tube and defining within the bore a three dimensional grid (3DG) of voxels; defining at least an inlet cross section (ICS) and an outlet cross section (OCS); defining a volume of interest within the bore between the ICS and the OCS; obtaining rheological properties of the fluid; applying a pressure gradient to the bore between the ICS and the OCS; and nuclear magnetic resonance imaging the fluid within the volume of interest to determine various aspects of the fluid. | 2014-02-20 |
20140049258 | Automated Spectral Fat Saturation - A method includes recording a magnetic resonance (MR) spectrum with the aid of a high frequency (HF) coil and a magnetic resonance tomography (MRT) device. A static magnetic field results in a recording volume of the MRT device. The method also includes an automatic analysis of the MR spectrum by searching for two resonant signals in the form of a fat peak, a water peak, and a minimum between the fat peak and the water peak. Such an automatic analysis is used for an automatic decision as a function of a predeterminable criterion, as to whether a series, including a plurality of acts, or a single act is performed. The homogeneity of the static magnetic field is adjusted with the aid of at least one shim coil of the MRT device, and an HF pulse is calculated for fat saturation as a function of the result of the search. | 2014-02-20 |
20140049259 | RESONANT MAGNETIC RING ANTENNA - A resonant magnetic ring antenna which includes a dielectric substrate having opposing first and second sides, a first and second ring elements disposed upon the opposing first and second sides of the substrate in a corresponding location, the first and second ring elements each comprising a trace having a spiral configuration with an outer radius, an inner radius, a spacing, and a number of turns, the resonant magnetic ring antenna being configured to concentrate radio frequency (RF) electromagnetic fields over a controlled volume at a specified distance from an imaging device in which it is incorporated. | 2014-02-20 |
20140049260 | METHOD OF MEASURING THERMAL ELECTRIC CHARACTERISTICS OF SEMICONDUCTOR DEVICE - The present disclosure relates to a method for measuring thermal electric characteristics of a semiconductor device, including the steps of: providing at least one current to the LED device over a time interval; recording a voltage transient response of the LED device, wherein the voltage transient response has a plurality of time segments different in gradient; computing a voltage difference from one of the plurality of time segments in the voltage transient response; and determining whether the LED device is defective based on the voltage difference, wherein the voltage difference is thermal dependent. The present disclosure also provides a testing method for defining a plurality of time segments. | 2014-02-20 |
20140049261 | PULSED MISSING GROUND DETECTOR CIRCUIT - In one implementation, a method is provided to detect a ground fault. This includes applying a pulsed test impedance and detecting a utility power voltage with and without the pulsed test impedance applied. It further includes detecting a test current through the pulsed test impedance to ground and determining whether a ground fault exists based on the detected test current and the detected utility power voltage with and without the pulsed test impedance applied. | 2014-02-20 |
20140049262 | APPARATUS AND METHOD FOR SAFE STATE RETENTION - A transformer core apparatus includes a body of highly magnetically permeable material, a permanent magnet arranged in a safe state position for saturating the body with a permanent magnetic field, and means for removing the permanent magnetic field from the body. | 2014-02-20 |
20140049263 | AN ARRANGEMENT TO MONITOR DC CIRCUIT CONDITION - An arrangement for monitoring a condition of a direct current voltage circuit including first and second supply poles for forming an operating voltage. A first fuse is connected to the first supply pole, and has a supply pole and an output pole. A second fuse is connected to the second supply pole, and has a supply pole and an output pole. The arrangement can form one or several reference voltages (U | 2014-02-20 |
20140049264 | PROGNOSTICS SYSTEM AND METHOD FOR FAULT DETECTION IN ELECTRICAL INSULATION - A diagnostic/prognostics system for failure detection in an electrical insulation system is provided. The system includes at least two current transformers designed to detect high frequency component signals from the insulation system. The system also includes a data acquisition module coupled to the at least two current transformers, wherein the data acquisition module receives the high frequency component signals and analyzes the received high frequency component signals to identify one or more faulty components in the electrical insulation system. | 2014-02-20 |
20140049265 | DEVICE UNDER TEST TESTER USING REDRIVER - Disclosed is a device under test (DUT) tester using a redriver. The DUT tester more effectively tests the DUT, which is a predetermined semiconductor device, by applying an electrical signal to the DUT and measuring the electrical signal. The DUT tester includes a DUT test unit, a printed circuit board (PCB) provided therein with connectors for the connection with the DUT test unit, one DUT or more horizontally arranged on the PCB, and redrivers horizontally provided under the PCB and one-to-one matched with one DUT or more to compensate for the distortion of the signal integrity of test signals caused according to the variation of the transmission distance. | 2014-02-20 |
20140049266 | Signal Processing For A Capacitive Sensor System With Robustness To Noise - A capacitive sensor includes a transmit electrode configured to provide an alternating electric field to a sensor; one or more receive electrodes for detecting variations in the alternating electric field; and an adaptive frequency adjustment unit configured to adjust an operating frequency of the alternating electric field responsive to detection of a noise measure, such as noise power. | 2014-02-20 |
20140049267 | NON-INTRUSIVE PASSIVE INTERMODULATION TESTING - A passive intermodulation test device includes a first signal generator that generates a first signal and a second signal generator that generates a second signal. A combiner combines the first signal and the second signal to generate a combined signal. A duplexer receives a test signal based, at least in part, on the combined signal and filters the first signal and the second signal from the test signal to generate an intermodulation signal. A variable low-noise amplifier amplifies the intermodulation signal in accordance with a variable gain based at least in part on a selected power level. A receiver, upon receipt of the intermodulation signal, measures intermodulation generated by a device under test. | 2014-02-20 |
20140049268 | Method And Apparatus For For Monitoring Physical Properties - This invention relates to methods and apparatus for measuring physical properties using microwave cavity sensors. In operation, a number of microwave cavity sensors are interrogated by a remote wireless unit in order to determine the current resonant frequency for the sensor. The current values for various parameters measured by the sensors, such as temperature, stress/stain, or the like, are determined by comparing the current resonant frequency to a first resonant frequency of the sensor, and thus, detect any change in the value of the selected parameter. In particular, the present invention is directed toward extending the range over which such measurements may be performed, using these types of sensors. | 2014-02-20 |
20140049269 | SYSTEM FOR MEASURING ELECTRICAL CHARGE - A system for measuring electrical charge, comprising a capacitance detector ( | 2014-02-20 |
20140049270 | METHOD AND DEVICE FOR ANALYZING POSITIONS - The method and device for analyzing position are disclosed. By analyzing sensing information with at least one zero-crossing, each position can be analyzed. The number of analyzed positions may be different from the number of zero-crossings. When the number of analyzed positions is different from the number of zero-crossing, the number of analyzed positions is more than one. | 2014-02-20 |
20140049271 | SELF-SHIELDING CO-PLANAR TOUCH SENSOR - In one embodiment, a touch sensor includes multiple first electrodes on a first surface. The first electrodes include a first shape. The touch sensor includes multiple second electrodes on a second surface. The second electrodes include a second shape. The touch sensor includes multiple third electrodes on the first surface that include a third shape that encompasses the second shape and are positioned on the first surface opposite the second electrodes. The touch sensor includes multiple fourth electrodes on the second surface that include a fourth shape that encompasses the first shape and are positioned on the second surface opposite the first electrodes. | 2014-02-20 |
20140049272 | DUAL ELECTRODE OCCUPANT DETECTION SYSTEM AND METHOD - A dual-electrode occupant detection system configured to determine an occupant presence on a seat assembly. The system includes two electrodes that each generates an electric field in response to an applied excitation signal. The two electrode signals arising therefrom can be measured individually and/or combined to detect more reliably an occupant. Such a configuration advantageously avoids the added expense and complication of an electrode arrangement that relies on an underlying shield layer to reduce electrode signal degradation caused by a seat heater element. | 2014-02-20 |
20140049273 | Capacitive Sensor - A sensor includes a variable capacitor, a fixed capacitor, an inductor, a switch that electrically connects the variable capacitor with the inductor or the fixed capacitor with the inductor, an oscillator that generates a periodic signal, and a controller connected to the switch, the oscillator, and the inductor. The controller operates the switch, identifies a frequency of a first oscillation of the variable capacitor and the inductor based on the periodic signal from the oscillator, identifies a frequency of a second oscillation of the fixed capacitor and the inductor based on the periodic signal from the oscillator, and identifies a capacitance of the variable capacitor based on a ratio of the frequency of the first oscillation to the frequency of the second oscillation. | 2014-02-20 |
20140049274 | SYSTEM FOR MEASURING MATERIAL LEVELS USING CAPACITANCE AND TIME DOMAIN REFLECTOMETRY SENSORS - An apparatus and system for measuring levels of two or more materials maintained within a storage tank using a combination of both a capacitance sensor and a time domain reflectometry (“TDR”) waveguide sensor is disclosed. The apparatus includes a combined circuit for the capacitance sensor and TDR sensor that creates a separation between the return signal from the capacitance sensor and the TDR sensor. The need for the return signal separation is due to the generation of false reflection signals from the capacitance circuitry. In a preferred embodiment, the separation in time is created by moving the capacitance false reflections further in time than the true signal returns. An alternative preferred embodiment would delay the true TDR signals passed the capacitance false reflections. Another alternative preferred embodiment would provide a substantially matched impedance of the capacitance circuit to the TDR circuit, to substantially eliminate the false reflections. | 2014-02-20 |
20140049275 | COMPENSATING CIRCUIT HAVING PROGRAMMABLE CAPACITANCE ARRAY FOR MEASURING AC VOLTAGE - A compensating circuit which has a programmable capacitance array for measuring AC voltage is disclosed in the present invention. The compensating circuit includes a pair of first leads for linking to an AC circuit; a variable capacitor, electrically linked to the first leads, for providing different capacitance value according to a programmable capacitance array; and a control unit, electrically linked to the first leads, for changing the capacitance value of the variable capacitor as one capacitance of the programmable capacitance array according to an external instruction. Since the capacitance of the compensating circuit is changeable, and AC voltage meter designed with the compensating circuit is able to measure voltage in wider range of frequency. | 2014-02-20 |
20140049276 | CAPACITIVE SENSING SYSTEM - The invention relates to a lithography system. The lithography system has a projection lens system and a capacitive sensing system. The projection lens system is provided with a final projection lens. The capacitive sensing system is arranged for making a measurement related to a distance between the final projection lens and a target. The capacitive sensing system includes at least one capacitive sensor. Additional, the capacitive sensing system is provided with a flexible printed circuit structure and at least one integrated flex print connector. The at least one sensor is located in the flexible printed circuit structure. The flexible printed circuit structure has a flexible base provided with conductive electrodes for the at least one sensor and conductive tracks. The conductive tracks extend from the electrodes along the at least one integrated flex print connector. | 2014-02-20 |
20140049277 | TEST APPARATUS AND MOVABLE TEST CHAMBER THEREOF - A test apparatus includes a plurality of rails, a plurality of test zones and a movable test chamber. The test zones are located between the rails. The movable test chamber includes a passageway, at least one heat source and at least one pair of rolling balls. The heat source is used to heat the passageway. The pair of rolling balls is movably contained in two rails, so as to facilitate movement of the passageway to different test zones. | 2014-02-20 |
20140049278 | TEST HEAD FOR ELECTRICAL TESTING OF A TEST SPECIMEN - The present disclosure relates to a test head for electrical testing of a test specimen, in particular a wafer, having at least two guide plates, which are spaced apart by means of at least one spacer and have guide holes distributed over the surfaces thereof, in which test contact pins for physical contact with the test specimen are guided in a sliding manner. Provision is made for the spacer to be formed by a multiplicity of point supports arranged in a manner distributed over the surfaces of the guide plates and secured on the guide plates. | 2014-02-20 |
20140049279 | TEST CONTACTOR FOR ELECTRICAL TESTING OF ELECTRONIC COMPONENTS - A testing apparatus for electronic components comprises a mounting block and a plurality of contact strips arranged on the mounting block. The contact strips are configured such that electrical leads of an electronic component are operative to press against and bend the contact strips in a biasing direction to ensure good contact between the electrical leads and the contact strips during testing of the electronic component. Further, a preload block located on the mounting block is operative to contact and apply a pre-stress force onto the contact strips in the biasing direction prior to contact between the electrical leads and the contact strips. | 2014-02-20 |
20140049280 | MULTI-CHIP SEMICONDUCTOR APPARATUS - A multi-chip semiconductor apparatus includes a plurality of semiconductor chips stacked and packaged therein, wherein each of the semiconductor chips includes: a through-silicon via (TSV) formed through the semiconductor chip; a probe pad exposed to an outside of the semiconductor chip so as to enable a probing test; a bump pad exposed to the outside of the semiconductor chip and electrically connected to the TSV; and a conductive layer electrically connecting the probe pad and the bump pad inside the semiconductor chip. | 2014-02-20 |
20140049281 | Diagnosis Framework to Shorten Yield Learning Cycles of Advanced Processes - The present disclosure relates to a diagnosis framework to shorten yield learning cycles of technology node manufacturing processes from the high defect density stage to technology maturity. A plurality of defect under test (DUT) structures are designed to capture potential manufacturing issues associated with defect formation. A test structure is formed by arranging the DUT structures within a DUT carrier unit, which has been yield-hardened though heuristic yield analysis such that a defect density of the DUT carrier unit is essentially zero. Possible outcomes of an application of test patterns and various failure scenarios associated with defects formed within the DUT structures within the DUT carrier unit are simulated and stored in a look-up table (LUT). The LUT may then be referenced to determine a location of a defect within the test structure without the need for iterative analysis to correctly select defect candidates for physical failure analysis (PFA). | 2014-02-20 |
20140049282 | LENSING SYSTEM AND METHOD FOR PHOTOVOLTAIC DEVICES - A photovoltaic device includes a substrate extending between opposite edges, a plurality of photovoltaic cells electrically coupled with each other in series, wherein the plurality of photovoltaic cells includes at least one current-limiting photovoltaic cell, and at least one corrective optic lens positioned over the at least one current-limiting photovoltaic cell. The at least one corrective optic lens is configured to focus light into the at least one current-limiting photovoltaic cell so that current passing through the current-limiting photovoltaic cell is boosted. A monitoring system may include at least one light source aligned with at least one of the plurality of photovoltaic cells. The light source(s) may be configured to emit light into the at least one of the plurality of photovoltaic cells to determine if the power output of the photovoltaic device remains constant. | 2014-02-20 |
20140049283 | METHOD AND APPARATUS FOR DETECTING SEMICONDUCTOR DEVICE PROPERTY - A method for detecting a semiconductor device property is provided. First, a semiconductor device is provided. Thereafter, a detecting current is applied and the semiconductor device is heated, and temperatures and voltages of the semiconductor device are measured, so as to establish a relationship between the temperatures and the voltages of the semiconductor device. Accordingly, a temperature sensitive parameter (TSP) is calculated. An apparatus for detecting a semiconductor device property is also provided. | 2014-02-20 |
20140049284 | TEST DEVICE, SEMICONDUCTOR DEVICE AND TESTING METHOD THEREOF - A test device for testing a semiconductor device including a TSV may comprise a ring oscillator including a plurality of inverters, a switch selectively connecting an output node of an inverter of the plurality of inverters and the TSV, and a controller controlling the switch. | 2014-02-20 |
20140049285 | Method For Monitoring Demagnetization - A method for discovering demagnetisation faults of a permanent magnet synchronous generator, such as a wind power generator. The method is performed during operation of the synchronous generator and includes measuring the vibration of the stator, performing a frequency analysis of the vibration, and deducing whether the generator suffers from demagnetization of a permanent magnet, from the vibration analysis. Moreover, geometric eccentricity faults and electric short circuit faults may also be detected from the vibration. | 2014-02-20 |
20140049286 | SEQUENTIAL STATE ELEMENTS FOR TRIPLE-MODE REDUNDANT STATE MACHINES, RELATED METHODS, AND SYSTEMS - The disclosure relates generally to sequential state elements (SSEs), triple-mode redundant state machines (TMRSMs), and methods and systems for testing triple-mode redundant pipeline stages (TMRPSs) within the TMRSMs using triple-mode redundant SSEs (TMRSSEs). The SSEs, TMRSMs, TMRPSs, and TMRSSEs may be formed as integrated circuits on a semiconductor substrate. Of particular focus in this disclosure are SSEs used to sample and hold bit states. Embodiments of the SSEs have a self-correcting mechanism to protect against radiation-induced soft errors. The SSE may be provided in a pipeline circuit of a TMRSM to receive and store a bit state of a bit signal generated by combinational circuits within the pipeline circuit. More specifically, the SSEs may be provided in a TMRSSE configured to perform self-correction. Also disclosed are methods for using the TMRSSE to test redundant pipeline stages of the TMRSM. | 2014-02-20 |
20140049287 | MULTIPLE DATA RATE INTERFACE ARCHITECTURE - Method and circuitry for implementing high speed multiple-data-rate interface architectures for programmable logic devices. The invention partitions I/O pins and their corresponding registers into independent multiple-data rate I/O modules each having at least one pin dedicated to the strobe signal DQS and others to DQ data signals. The modular architecture facilitates pin migration from one generation of PLDs to the next larger generation. | 2014-02-20 |
20140049288 | HUM GENERATION CIRCUITRY - Systems and methods for clock generation and distribution are disclosed. Embodiments include arrangements of synchronization signals implemented using a mesh circuit. The mesh circuit is comprised of a plurality of null convention logic (NCL) gates organized into rings. Each ring shares at least one NCL gate with an adjacent ring. The rings are configured in such a way that each ring in the mesh operates synchronously with the other rings in the mesh. | 2014-02-20 |
20140049289 | TIME DIVISION MULTIPLEXED LIMITED SWITCH DYNAMIC LOGIC - A method for increasing performance in a limited switch dynamic logic (LSDL) circuit includes precharging a dynamic node during a precharge phase of a first and second evaluation clock signal. The dynamic node is evaluated to a first logic value in response to one or more first input signals of a first evaluation tree during an evaluation phase of the first evaluation clock signal. The dynamic node is evaluated to a second logic value in response one or more second input signals of a second evaluation tree during an evaluation phase of the second evaluation clock signal. A signal of the LSDL circuit is outputted in response to the dynamic node according to an output latch clock signal. | 2014-02-20 |
20140049290 | INTEGRATED CIRCUIT - There is disclosed an integrated circuit comprising a management unit for managing the occurrence of predetermined events in the integrated circuit. The management unit comprises: a processing unit adapted to determine the occurrence of a predetermined event in the integrated circuit; a data storage unit adapted to store information regarding the determined event occurrence; an output interface adapted to output a signal based on the stored information regarding the determined event occurrence; and an output generating unit adapted to analyse the stored information and to generate a signal to be output by the output interface based on results of the analysis. | 2014-02-20 |
20140049291 | NOISE-RESISTANT SAMPLING CIRCUIT AND IMAGE SENSOR - An approach for a sampling circuit to reduce noise in signals (e.g., as received from photo diodes or the like) is provided. In one embodiment of the present invention, there is a sampling circuit comprising: an amplifier, which amplifies charge signals generated at photo diodes and converts them to voltage signals; the first sample and hold circuit, which samples the voltage signal and charges the first capacitor according to the first switching signal, and outputs the stored charge as a reset signal based on a readout signal; the second sample and hold circuit, which samples the signals and charges the second capacitor according to the second switching signal that is non-overlapping to the first switching signal, and outputs the stored charge as a reset signal based on the readout signal; a resistor that acts as a low-pass filter placed in between the first and the second capacitors' common nodes. | 2014-02-20 |
20140049292 | INTEGRATED CIRCUIT PACKAGE HAVING MEDIUM-INDEPENDENT SIGNALING INTERFACE COUPLED TO CONNECTOR ASSEMBLY - An integrated circuit (IC) package includes electrical contacts disposed at a first surface of the IC package, an integrated circuit implementing an electrical signaling interface, and a connector assembly accessible at a second surface of the IC package. The connector assembly is to mechanically attach to another connector assembly and includes contact terminals electrically coupled to the electrical signaling interface. The connector assembly can be configured to provide friction coupling with the other connector assembly to permit the other connector assembly to be removably attached. A system includes the IC package and an external transceiver module having a connector assembly mechanically attached to the connector assembly of the IC package. The electrical signaling interface conducts signaling with the external transceiver module in accordance with one signal format and the external transceiver module conducts signaling over a transmission medium in accordance with another signal format. | 2014-02-20 |
20140049293 | Three-Dimensional High Voltage Gate Driver Integrated Circuit - A three-dimensional (3D) gate driver integrated circuit includes a high-side integrated circuit stacked on a low-side integrated circuit where the high-side integrated circuit and the low-side integrated circuit are interconnected using through-silicon vias (TSV). As thus formed, the high-side integrated circuit and the low-side integrated circuit can be formed without termination regions and without buried layers. The 3D gate driver integrated circuit improves ease of high voltage integration and improves the ruggedness and reliability of the gate driver integrated circuit | 2014-02-20 |
20140049294 | INPUT BUFFER - According to one embodiment, an input buffer includes a comparator that compares an input signal with a reference voltage, an inverter that inverts an output signal of the comparator, and a drive adjusting circuit that adjusts a current driving force of the inverter. | 2014-02-20 |
20140049295 | SWITCH-DRIVING CIRCUIT - A switch-driving circuit suitable for driving a full-controlled power switch combination is disclosed. The switch-driving circuit includes a first pulse-width modulator, a high-voltage isolation pulse transformer module and a plurality of output modules. The high-voltage isolation pulse transformer module includes a magnetic core connected to multiple output modules in a one-to-many way, or includes multiple magnetic cores connected to multiple output modules in a one-to-one way. Each output module includes a second pulse-width modulator and a driving-power amplifier. The full-controlled power switch combination includes a plurality of full-controlled power switches. The driving-power amplifier is coupled between the second pulse-width modulator and one of the full-controlled power switches. | 2014-02-20 |
20140049296 | ELECTRONIC DEVICE INCLUDING TRANSISTOR AND METHOD OF OPERATING THE SAME - An electronic device may include a first transistor having a normally-on characteristic; a second transistor connected to the first transistor and having a normally-off characteristic; a constant voltage application unit configured to apply a constant voltage to a gate of the first transistor; and a switching unit configured to apply a switching signal to the second transistor. The first transistor may be a high electron mobility transistor (HEMT). The second transistor may be a field-effect transistor (FET). The constant voltage application unit may include a diode connected to the gate of the first transistor; and a constant current source connected to the diode. | 2014-02-20 |
20140049297 | GATE DRIVE CIRCUIT - A gate drive circuit includes: an input port for receiving a control signal; an output port; a capacitor connected to the output port; a modulation unit which generates (i) a first modulated signal indicating timing of a first logical value of the control signal and (ii) a second modulated signal indicating timing of at least a second logical value of the control signal; a first electromagnetic resonance coupler which wirelessly transmits the first modulated signal; a second electromagnetic resonance coupler which wirelessly transmits the second modulated signal; a first rectifier circuit which generates a first demodulated signal by demodulating the first modulated signal, and outputs the first demodulated signal to the output port; and a second rectifier circuit which generates a second demodulated signal by demodulating the second modulated signal, and outputs the second demodulated signal to the output port. | 2014-02-20 |
20140049298 | FREQUENCY GENERATION APPARATUS AND FREQUENCY GENERATION METHOD - There are provided a frequency generation apparatus and a frequency generation method. The frequency generation apparatus includes a current generation unit varying an amount of current with respect to a temperature change; a capacitor in which charges are charged by the current generation unit; a discharge circuit unit comparing a charging voltage of the capacitor with a previously set first reference voltage and discharging the capacitor; and an output signal generation unit comparing the charging voltage of the capacitor with a previously set second reference voltage and generating an output signal, wherein the current generation unit varies the amount of current so as to maintain a constant frequency. | 2014-02-20 |
20140049299 | PROGRAMMABLE ULTRASOUND TRANSMIT BEAMFORMER INTEGRATED CIRCUIT AND METHOD - An electrical waveform generating circuit has a programmable current source-driver. A digital switched current source is coupled to the programmable current source-driver and controlled by waveforms stored in the programmable current source-driver. A plurality of MOSFETs is coupled to the programmable current source driver. A first coupled inductor is connected to the plurality of high voltage MOSFETs. A transducer is coupled to the first coupled inductor. | 2014-02-20 |
20140049300 | POWER-ON RESET CIRCUIT - A power on reset circuit is capable of changing logic level of reset signal at different threshold voltages. | 2014-02-20 |
20140049301 | SEMICONDUCTOR SWITCH WITH RELIABLE BLACKOUT BEHAVIOR AND LOW CONTROL POWER - The present invention relates to a bidirectional semiconductor switch (M1, M2) with extremely low control power consumption and a bootstrap circuit which allows reliable start of operation of the switch and the hosting device after unlimited duration of mains interruptions. Intelligent control options are provided by operating from a small energy storage and no extra means are required to recover from a depleted energy storage condition. The absence of audible noise and mechanical wear also enables more frequent recharging cycles and allows smaller and thus cheaper energy storage components. | 2014-02-20 |
20140049302 | PHASE-LOCKED LOOP AND METHOD FOR CLOCK DELAY ADJUSTMENT - A phase-locked loop (PLL) for clock delay adjustment and a method thereof are disclosed. The method includes the following steps. A reference clock signal and a clock signal are generated. The reference clock signal is fed through an N-divider to generate an output clock signal having a frequency 1/N of the reference clock signal. | 2014-02-20 |
20140049303 | FREQUENCY GENERATING SYSTEM, VOLTAGE-CONTROLLED OSCILLATOR MODULE AND METHOD FOR ADJUSTING SIGNAL FREQUENCY - A voltage controlled oscillator module including a VCO unit and a gain adjustment unit is provided. The VCO unit is configured to generate a frequency signal based on a control voltage. The gain adjustment unit is coupled to the VCO unit and configured to receive a first adjustment voltage, a second adjustment voltage, and a reference voltage and accordingly adjusts the control voltage to adjust a frequency value of the frequency signal. The gain adjustment unit includes an adjustment circuit unit and a reference circuit unit. A first voltage-frequency curve of the frequency value of the frequency signal and a voltage value of the first adjustment voltage changes in response to a structure characteristic of the adjustment circuit unit. Furthermore, a frequency generating system and a method for adjusting a signal frequency of the VCO module are provided. | 2014-02-20 |
20140049304 | DOUBLE OUTPUT LINEARIZED LOW-NOISE CHARGE PUMP WITH LOOP FILTER AREA REDUCTION - According to embodiments, dual path loop filter circuits are described which have, for example, a single charge pump. The current flow in the DPLF circuit is architected to source, during an injection time period, a first current to the loop filter, sink, also during the injection time period, a second current from the loop filter, wherein the first current has a magnitude of α*I and the second current has a magnitude of β*I, and sink, during a linearization time period, a third current from the loop filter, wherein the third current has a magnitude of (α−β)*I. | 2014-02-20 |
20140049305 | FAST MEASUREMENT INITIALIZATION FOR MEMORY - Systems and methods for synchronization of clock signals are disclosed. In a feedback system such as a delay-lock loop circuit, delays to be applied can be determined adaptively based on a phase difference between a reference signal and a clock signal being delayed. Such adaptive decisions can be made during each feedback cycle, thereby making it possible to achieve a phase lock faster and more efficiently. In some embodiments, such adaptive functionality can be incorporated into existing circuits with minimal impact. | 2014-02-20 |
20140049306 | SIGNAL TRANSMISSION CIRCUITS - A signal transmission circuit includes a pre-driver and a driver. The pre-driver is configured to generate a first drive signal in response to a first delay signal and a first selection signal and to generate a second drive signal in response to a second delay signal, a second selection signal, and a pulse signal. The driver is configured to drive a transmission signal in response to the first and second drive signals. The first delay signal is enabled at a second time which is later than a first time when an input signal is received, the second delay signal is enabled at a third time which is later than the second time, and the pulse signal is enabled at a fourth time which is delayed by a predetermined delay period from the first time. | 2014-02-20 |
20140049307 | CIRCUITS AND METHODS FOR SHARING BIAS CURRENT - The present disclosure includes systems and methods for sharing bias current. In one embodiment, shared bias current passes through a first level device to one or more second level devices along a bias current path. Multiple active devices may share bias current along a bias current path and process signal along the same or different signal paths. In one embodiment, bias current from one device is split among multiple devices. In another embodiment, bias current is combined from multiple devices into a device. Embodiments may include an interstage circuit along a signal path that improves stability of the circuit. | 2014-02-20 |
20140049308 | LEVEL SHIFT CIRCUIT - According to one embodiment, a first CMOS inverter receives an input signal corresponding to a first power supply voltage, and is driven by a second power supply voltage which is smaller than the first power supply voltage; a second CMOS inverter is connected to a rear stage of the first CMOS inverter, and is driven by the second power supply voltage; a first driving adjustment circuit adjusts a current driving force of a low level output of the first CMOS inverter; and a second driving adjustment circuit adjusts a current driving force of a low level output of the second CMOS inverter. | 2014-02-20 |
20140049309 | UP-CONVERSION MIXER HAVING A REDUCED THIRD ORDER HARMONIC - An up-conversion mixer includes a mixer cell having at least one output node configured to generate an output. The up-conversion mixer further includes a first cascaded transconductance input stage coupled to the mixer cell, the first cascaded transconductance input stage configured to receive an input signal and to reduce a third order harmonic of the output. The up-conversion mixer further includes a second cascaded transconductance input stage coupled to the mixer cell, the second cascaded transconductance input stage configured to receive the input signal and to reduce a third order harmonic of the output. | 2014-02-20 |
20140049310 | SEMICONDUCTOR DEVICE, SEMICONDUCTOR SYSTEM, AND MONITORING METHOD THEREOF - A semiconductor device includes a plurality of oscillation signal generation units configured to output a plurality of oscillation signals whose cycles are adjusted according to a PN ratio, which is a size ratio of a PMOS transistor to an NMOS transistor, and a selection unit configured to selectively output the oscillation signals outputted from the plurality of oscillation signal generation units in response to a test mode signal. | 2014-02-20 |
20140049311 | SWITCHING DEVICE WITH NON-NEGATIVE BIASING - Embodiments provide a switching device including one or more field-effect transistors (FETs) and bias circuitry. The one or more FETs may transition between an off state and an on state to facilitate switching of a transmission signal. The one or more FETs may include a drain terminal, a source terminal, a gate terminal, and a body. The biasing circuitry may bias the drain terminal and the source terminal to a first DC voltage in the on state and a second DC voltage in the off state. The first and second DC voltages may be non-negative. The biasing circuitry may be further configured to bias the gate terminal to the first DC voltage in the off state and the second DC voltage in the on state. | 2014-02-20 |
20140049312 | RF SWITCH WITH COMPLEMENTARY SWITCHING DEVICES - A radio frequency (RF) switch including a common port, a first port, a second port, a first RF pathway extending between the common port and the first port, a second RF pathway extending between the common port and the second port, a first shunt path extending between the first RF pathway and ground, a second shunt path extending between the second RF pathway and ground, and a respective semiconductor switching element disposed in each of the first RF pathway, the second RF pathway, the first shunt path and the second shunt path configured to control whether the given RF pathway or shunt path is enabled or disabled at a given time, wherein a selected combination of conductivity types and control signals for the respective semiconductor switching elements are employed. | 2014-02-20 |
20140049313 | LATCH-UP ROBUST PNP-TRIGGERED SCR-BASED DEVICES - An approach for providing a latch-up robust PNP-triggered SCR-based device is disclosed. Embodiments include providing a silicon control rectifier (SCR) region; providing a PNP region having a first n-well region proximate the SCR region, a first N+ region and a first P+ region in the first n-well region, and a second P+ region between the SCR region and the first n-well region; coupling the first N+ region and the first P+ region to a power rail; and coupling the second P+ region to a ground rail. | 2014-02-20 |