39th week of 2009 patent applcation highlights part 17 |
Patent application number | Title | Published |
20090237022 | APPARATUS FOR CARRYING OUT IMPROVED CONTROL OF ROTARY MACHINE - In an apparatus, a phase setter sets, based on a deviation between a generated torque and a request torque for a rotary machine, a phase of a vector of a variable output voltage of a power converter in a two-phase rotating coordinate system defined in a rotor of the rotary machine. A norm setter sets, based on the phase set by the phase setter and a rotational velocity of the rotor, a norm of the vector of the output voltage in the two-phase rotating coordinate system. A drive signal determiner determines, based on the phase set by the phase setter and the norm set by the norm setter, a drive signal, and applies the drive signal to the switching member to thereby drive the switching member such that the generated torque is adjusted to a request torque. | 2009-09-24 |
20090237023 | Device for Controlling Opening/Closing Body for Vehicle - The rotating speed of an output shaft of a door opening and closing motor actuating a sliding door is monitored, and whether a fluctuation value of the rotating speed is equal to or more than a first determination threshold value is determined (step S | 2009-09-24 |
20090237024 | METHOD AND APPARATUS FOR PINCH PROTECTION FOR A MOTOR-DRIVEN CLOSURE SYSTEM - The invention relates to a pinch protection method and device for a motor-driven closing system. The method comprises the following steps: detecting a reduced motor speed, switching off the motor, analyzing a sensor signal for detecting a pinch situation, deciding whether a pinch situation is present, and controlling the motor depending on the detection of a pinch situation. The device for detecting a pinch situation comprises a motor, a detection unit, a control unit and at least one sensor. The device is adapted to carry out the method according to the invention. | 2009-09-24 |
20090237025 | BIPEDAL WALKING ROBOT - Provided is a bipedal walking robot which includes a linear actuator, which connects a crus link and a foot of each leg away from an ankle joint, for driving the foot to rock around the ankle joint with respect to the crus link according to a telescopic motion thereof. The robot is capable of applying a desired moment to the foot for walking on stairs without increasing the linear actuator in size. The linear actuator is disposed in such a way that a telescopic force therefrom acts on a line inclined backward with respect to a connection line connecting a knee joint and the ankle joint. Preferably, a connection portion, which is connected to the crus link, of the linear actuator is disposed backward from the connection line, and a connection portion, which is connected to the foot, of the linear actuator is disposed forward from the connection line. | 2009-09-24 |
20090237026 | System and Method for Drive Controller Anti-Backlash Control Topology - Method and system for backlash control in gear trains that are driven by electric drives controlled by a drive controller. The drive controller causes the drives to generate continuously opposing torques and adjusts torque rotational offsets so as to maintain desired backlash and gross motion of the driven gear. | 2009-09-24 |
20090237027 | INDUCTION MOTOR CONTROL DEVICE - An induction motor control device includes an inverter circuit for driving an induction motor by outputting a command voltage, a current detector for detecting an output current, a magnetic flux estimation observer for generating an estimated magnetic flux, an estimated current, and a phase command for the motor using the command voltage and the output current, a primary angular speed estimator for estimating a primary angular speed using the estimated magnetic flux, a slip compensator for calculating a slip angular frequency using the output current, a first angular speed estimator for estimating a first angular speed using the primary angular speed and the output current, a second angular speed estimator for estimating a second angular speed using the output current, the estimated magnetic flux, and the estimated current, and a resistance estimator for estimating a secondary resistance value of the motor using the first and second angular speeds. | 2009-09-24 |
20090237028 | POWER SUPPLY DEVICE FOR CHARGE/DISCHARGE DEVICE, AND CHARGE/DISCHARGE DEVICE - This power supply device includes a series circuit of a first switching element and a second switching element connected in parallel with a DC power supply unit, and a smoothing filter circuit which includes a series circuit of an inductor and a smoothing capacitor connected in parallel with the second switching element. The power supply device also includes a control unit and a drive circuit for generating first and second PWM pulses by respectively driving the first and second switching elements ON and OFF, and for creating a dead time between those switching pulse signals. And this control unit changes the frequency of the switching pulse signal according to the pulse width of either the first PWM pulses or the second PWM pulses. | 2009-09-24 |
20090237029 | INDUCTIVE BATTERY CHARGER FOR SERVICE EQUIPMENT - An inductive battery charging system for a handheld service tool is provided. The system includes a battery charger and a handheld service tool. The battery charger has a primary coil enclosed within a housing, and which is coupled to a power source. The service tool includes a secondary coil, enclosed within a housing, that provides at least 100 mA of inductively-generated alternating current, a rectifier, a linear voltage regulator, a battery charge controller and a battery. | 2009-09-24 |
20090237030 | CHARGE EQUALIZATION APPARATUS - The present invention relates to a charge equalization apparatus, which allows the primary and secondary windings of a transformer to be easily fabricated, can control the flow of charge to batteries depending on the charged states of series-connected batteries, and can prevent overcurrent from flowing into a battery currently being charged. | 2009-09-24 |
20090237031 | PORTABLE MEDIA PLAYER WIRELESS CHARGER - Various embodiments of a wireless charging device and a method for charging a portable media player are provided. Among other things, the charging device is compact and portable so that it can easily be stowed for transport, greatly enhancing a customer's ability to use the primary portable media player without all of the problems associated with recharging, including cables that inevitably accompany a docking station device. Features of the device include collapsible prongs and a hinged arm that radially releases from the body to reveal a docking connector for charging a portable media player. | 2009-09-24 |
20090237032 | Batteries and Battery Monitoring and Charging Systems - Batteries and battery monitoring and charging systems. The preferred battery has a plurality of rechargeable cells connected in series, first and second power terminals, each connected to a respective end of the series connection of rechargeable cells, a first connector for connecting to a battery charger, the first connector having connector contacts connected to each of the plurality of rechargeable cells, the first connector also having connector contacts coupled to a serial communication link, and a processor coupled to sense the voltage of each rechargeable cell and control the serial communication link for communication of rechargeable cell voltages when a charger is connected to the first connector. The charger communicates with the battery over the serial communication link to monitor cell temperature, and to charge each cell individually in a controlled manner. Various features and capabilities are disclosed. | 2009-09-24 |
20090237033 | BATTERY DRIVING DEVICE, LOAD CONTROL METHOD, INTEGRATED CIRCUIT AND LOAD CONTROL PROGRAM - The present invention aims to provide a battery-driven device that is capable of extending an operating time of a battery (a secondary battery). A battery control unit | 2009-09-24 |
20090237034 | Battery operated device having power saving mode - A battery-powered electronic device comprises at least one functional circuit and a controller adapted to receive a signal representative of residual energy of a battery powering the device and to cut off operating power of the functional circuit if said residual energy is below a predetermined threshold. The controller is further adapted to detect whether a predetermined criterion is fulfilled or not, to cut off operating power of the functional circuit only if the predetermined criterion has been fulfilled for a given time interval, and to set the duration of the time interval depending on said residual energy. | 2009-09-24 |
20090237035 | Circuit and method for detecting absent battery condition in a linear charger - A circuit and method for detecting absent battery condition in a linear charger apply a detecting signal onto an output terminal of the charger and monitor the output terminal to receive a detected signal. The capacitance at the output terminal is significantly different between the presence and absence of a battery connected to the output terminal, and it is thus available to determine from the detected signal, if no battery is connected to the output terminal. | 2009-09-24 |
20090237036 | FREQUENCY SYNTHESIZER AND LOOP FILTER USED THEREIN | 2009-09-24 |
20090237037 | Alternator voltage regulator with maximum output limiting function - An alternator system includes a field circuit, a regulator that regulates a field circuit electrical flow through the field circuit, and an output current sensor that detects an actual current output from the alternator system. The alternator system further includes a controller that communicates with the regulator to vary the field circuit electrical flow based on the actual current detected by the output current sensor. | 2009-09-24 |
20090237038 | DOUBLE ALTERNATOR AND ELECTRICAL SYSTEM - A double alternator system includes a first brushless winding assembly to generate a first electrical voltage, a second winding assembly to generate a second electrical voltage, a rotatable shaft common to the first brushless winding assembly and second winding assembly to cause generation of a first electrical voltage and second electrical voltage upon rotation of the shaft, and a housing in which the winding assemblies are disposed and through which the first and second electrical voltages are carried to respective first and second electrical output contacts. | 2009-09-24 |
20090237039 | METHOD OF CONTROLLING A DC-DC CONVERTOR IN DISCONTINUOUS MODE - A DC-DC converter includes an induction coil cooperating with two switches, which operate alternately, to supply output voltage of a determined level relative to input voltage. The converter control method includes, in each cycle, a first phase of first duration with first switch controlled to make it conductive, and to increase current in the induction coil, and a second phase with second switch controlled to be conductive and to decrease current in the induction coil during a second adjustable time period. Detection device detects, at the end of the second phase, sign of overvoltage across one terminal of the induction coil connected to the switches, and supplies a detection signal kept in a high or low state, depending upon sign of detected overvoltage. Timing device receives detection signal for adapting, in each successive cycle, the second duration of the second phase to cancel out current in the induction coil. | 2009-09-24 |
20090237040 | FAMILY OF CURRENT/POWER-EFFICIENT HIGH VOLTAGE LINEAR REGULATOR CIRCUIT ARCHITECTURES - Power efficient power supply regulator circuits are disclosed. The circuits are configured to modify their overhead current according to current load. This is particularly advantageous for use in display devices with widely varying current loads. Such displays include bi-stable displays, such as interferometric modulation displays, LCD displays, and DMD displays. | 2009-09-24 |
20090237041 | ELECTRIC CURRENT MEASUREMENT APPARATUS, VOLTAGE MEASUREMENT APPARATUS AND POWER SUPPLY APPARATUS - An electric current measurement apparatus for measuring an electric current of each electrode of an electron tube includes a transformer, a detection resistor connected in an ampere meter route for measurement, a voltage detection unit for detecting electric potential difference of the detection resistor and outputting pulse signals corresponding to the detected electric potential difference, a switching part for providing a short circuit of the secondary winding according to the pulse signals, and a measurement current value output unit. The measurement current value output unit measures pulse attribute of pulse-shape signals which are induced on the primary winding of the transformer caused by the short circuit of the secondary winding, and outputs a value of electric current flowing through the detection resistor with referring to a predetermined relationship between a value of the electric current flowing through the detection resistor and the pulse signals generated in the voltage detection unit. | 2009-09-24 |
20090237042 | Zero Voltage Switching - A method for providing non-resonant zero-voltage switching in a switching power converter. The switching power converter converts power from input power to output power during multiple periodic switching cycles. The switching power converter includes a switch and an auxiliary capacitor adapted for connecting in parallel with the switch, and an inductor connectable to the auxiliary capacitor. The main switch is on. A previously charged (or previously discharged) auxiliary capacitor is connected across the main switch with auxiliary switches. The main switch is switched off with zero voltage while discharging (charging) the auxiliary capacitor by providing a current path to the inductor. The auxiliary capacitor is disconnected from the switch. The voltage of the auxiliary capacitor is charged and discharged alternatively during subsequent switching cycles. The voltage of the auxiliary capacitor stays substantially the same until the subsequent turn off of the main switch during the next switching cycle with substantially no energy loss in the auxiliary capacitor. | 2009-09-24 |
20090237043 | Zero Current Switching - A method for providing non-resonant zero-current switching in a switching power converter operating in a continuous current mode. The switching power converter converts power from input power to output power. The switching power converter includes a main switch connected to a main inductor, wherein an auxiliary inductor is connectible with the main inductor. The main current flows from an input to an output. The auxiliary inductor is connected with the main inductor thereby charging the auxiliary inductor so that an auxiliary current flows from the output to the input opposing the main current. Upon a total current including a sum of the main current and the auxiliary current. substantially equals or approaches zero, the switch is turned on. | 2009-09-24 |
20090237044 | Bidirectional interleaved DC to DC converter utilizing positively coupled filter inductors - A bidirectional interleaved DC to DC converter comprises positively coupled filter inductors that are coupled to a switching network that receives power from a DC power source, such as a battery. The positively coupled inductors are integrated as a single coupled inductor, which allows the DC to DC converter to convert DC voltage to various voltage levels with reduced voltage ripple, without the need for supplemental filter capacitors that are large and costly. | 2009-09-24 |
20090237045 | APPARATUS, SYSTEM, AND METHOD FOR A SWITCHING POWER SUPPLY WITH HIGH EFFICIENCY NEAR ZERO LOAD CONDITIONS - An apparatus, system, and method are disclosed for a switching power supply with high efficiency near zero load conditions. A power detection module detects power provided to a load. The switching power supply is capable of operating in a zero voltage switching mode. The power detection module detects when the load power falls below a minimum power threshold. A low load power control module operates the switching power supply in a low load mode if the power detection module detects that the power to the load is below the minimum power threshold. The low load mode includes operating the power supply in zero voltage switching mode in response to an output voltage of the power supply falling below a regulation voltage threshold. The low load mode includes turning off switching of the power supply in response to the output voltage of the power supply rising above the regulation voltage threshold. | 2009-09-24 |
20090237046 | APPARATUS OF DYNAMIC FEEDBACK CONTROL CHARGE PUMP - An apparatus of dynamic feedback control charge pump is provided. The apparatus of dynamic feedback control charge pump receives an input voltage through a voltage regulator. The voltage regulator regulates the input voltage to a base voltage according to a control signal. The charge pump receives the base voltage and provides multiple of the base voltage to an output voltage. A feedback unit provides the control signal to the voltage regulator according to the output voltage. Therefore, the apparatus of dynamic feedback control charge pump can reduce the output voltage ripple and improve the output efficiency of the charge pump. | 2009-09-24 |
20090237047 | SWITCHING POWER SOURCE - (Problem) To provide a switching power source having a stable negative voltage output. | 2009-09-24 |
20090237048 | Power management circuit and method of frequency compensation thereof - A power management circuit includes a regulator circuit, a first frequency compensation circuit, a first switch circuit and a detection circuit. The regulator circuit includes a signal output end. The first switch circuit is turned on in response to an enabled first control signal such that the first frequency compensation circuit is coupled to the regulator circuit. The detection circuit determines whether an output capacitor is coupled to the signal output end, and generates the enabled first control signal to turn on the first switch circuit and connect the first frequency compensation circuit to the regulator circuit when the output capacitor is not coupled to the signal output end. Therefore, the regulator circuit is frequency compensated by the first frequency compensation circuit. | 2009-09-24 |
20090237049 | COMPARATOR TYPE DC-DC CONVERTER - A comparator-system DC-DC converter | 2009-09-24 |
20090237050 | Switching power supply - A switching power supply, which operates intermittently under a light load for suppressing electric power consumption, reduces output voltage variations caused when a load current increases rapidly from a light load state, and reduces output voltage ringing. The switching power supply includes a comparator that compares a feedback signal obtained by isolating the output from an error amplifier with a burst threshold value and a comparator that compares the feedback signal with a power-supply-interruption threshold value preset to be lower than the burst threshold value. The switching power supply stops output of a driving pulse from a driver circuit when the feedback signal is lower than the burst threshold value. The switching power supply also stops the output of operation power from first power supply circuit when the feedback signal is lower than the power-supply-interruption threshold value. | 2009-09-24 |
20090237051 | DC-DC BOOST CONVERTER - A DC-DC boost converter is provided that generally maintains discontinuous mode operation in a generally efficient manner. To accomplish this, a clamp generator, comparator, logic gates, a flip-flop, and counter are employed. These components generally operate together to determine if an over-limit condition has taken place, so that the ON time of the boost converters' switch can be varied accordingly. | 2009-09-24 |
20090237052 | CONTROL APPARATUS FOR CONTROLLING POWER CONVERSION APPARATUS - The control apparatus is for controlling a power conversion apparatus with a chopper circuit including at least one voltage-controlled type switching element provided with a drive circuit, and a coil to generate back electromotive force. The control apparatus includes a function of outputting an operation command signal to the drive circuit to control an output voltage of the power conversion apparatus, a second function of setting, on the basis a current flowing through the switching element, a switching speed of the switching element to such a value that noise exceeding a withstand voltage between a conduction control terminal and an output terminal of the switching element can be prevented from occurring when the switching element is switched, and a third function of adjusting the drive circuit to drive the switching element such that the switching element is switched at the switching speed set by the second function. | 2009-09-24 |
20090237053 | High efficiency voltage regulator with auto power-save mode - A DC-to-DC converter comprises an error amplifier, a comparator, a PWM controller, a power switch unit, and a control signal monitoring circuit. The PWM controller receives a comparison signal from the comparator and generates a digital control signal that controls the power switch unit such that the DC-to-DC converter supplies a regulated voltage onto a load. The control signal monitoring circuit monitors the digital control signal and detects either a heavy load or a light load condition based on characteristics of the digital control signal. Under the light load condition, the monitoring circuit generates a first enabling signal such that the DC-to-DC controller operates in a power-save mode. Under the heavy load condition, the monitoring circuit generates a second enabling signal such that the DC-to-DC controller operates in a normal operation mode. The DC-to-DC converter consumes substantially less power in the power-save mode than in the normal operation mode. | 2009-09-24 |
20090237054 | Digital Control of Power Converters - A system and method for controlling a power converter is presented. An embodiment comprises an analog differential circuit connected to an analog-to-digital converter, and comparing the digital error signal to at least a first threshold value. If the digital error signal is less than the first threshold value, a pulse is generated to control the power converter. Another embodiment includes multiple thresholds that may be compared against the digital error signal. | 2009-09-24 |
20090237055 | POWER SUPPLY DEVICE CAPABLE OF STABLY SUPPLYING OUTPUT VOLTAGE WITH INCREASED RESPONSIVENESS - In a power supply device, a synchronous rectifier step-down converter alternately turns on and off a switch and a synchronous rectifier switch. A reference voltage generator generates a predetermined reference voltage. An error amplifier outputs an error voltage such that an output voltage of the step-down converter approaches the predetermined reference voltage. A pulse-width signal generator generates a pulse-width signal controlling turning on and off the switch and the synchronous rectifier switch based on the error voltage. A driver circuit controls turning on and off the switch and the synchronous rectifier switch based on the pulse-width signal. An inductor is connected in series with output of the step-down converter. A bypass switch short-circuits an output terminal of the step-down converter to an input terminal of the step-down converter. A mode controller controls turning on and off the bypass switch. | 2009-09-24 |
20090237056 | Transient Processing Mechanism for Power Converters - Transient processing mechanisms for power converters. Error generation circuitry in a power converter may generate an error signal based on the difference between a power converter output voltage and a reference voltage. Transient detection circuitry may detect whether the error signal exceeds at least a first threshold. If the first threshold is exceeded, timing control logic may generate a low band correction pulse to adjust the power converter output voltage, and thereby adjust the error signal to a level within the first threshold. If the error signal exceeds a second threshold, the timing control logic may generate a high band correction pulse to adjust the power converter output voltage, and thereby adjust the error signal to a level within the second threshold. The timing control logic may initiate a low band blanking period following the low band correction pulse and high band blanking period following the high band correction pulse. | 2009-09-24 |
20090237057 | APPARATUS, SYSTEM, AND METHOD FOR AN ADAPTIVE HIGH EFFICIENCY SWITCHING POWER SUPPLY - An apparatus, system, and method are disclosed for an adaptive high efficiency switching power supply. The switching power supply has a regulation stage with a stage controller that operates to regulate a voltage of the regulation stage relative to a reference voltage. A power detection module detects an amount of power used by the switching power supply. A low power module determines if the power supply is operating below a minimum power capacity threshold. A stage voltage adjustment module adjusts the reference voltage from a high power reference voltage to a low power reference voltage in response to the low power module determining that the power supply is operating below the minimum power capacity threshold. The low power reference voltage causes a regulated voltage adjustment such that the switching power supply operates more efficiently below the minimum power threshold. | 2009-09-24 |
20090237058 | ADAPTIVE RAMP COMPENSATION FOR CURRENT MODE-DC-DC CONVERTERS - A current-mode controller comprises an inductance element, at least one semiconductor switch coupled to the inductance element, and a ramp compensator coupled to sense an indication of current through the inductance element and coupled to control the at least one semiconductor switch that senses current during on-time of the DC-DC converter, infers current during off-time of the DC-DC converter, and determines a slope compensation signal based on the sensed and inferred currents. | 2009-09-24 |
20090237059 | Synchronous rectifying DC-DC converter - There is provided a dead time control method capable of recognizing a critical situation in which a commutating transistor cannot be turned on because of a temporary variation in an output voltage of a synchronous rectifying DC-DC converter and adaptively preventing the commutating transistor from being turned on. The synchronous rectifying DC-DC converter compares an output Voff of an error amplifier with a voltage Vt obtained by multiplying the peak voltage of a ramp by G2. When Voff becomes greater than or equal to Vt, the converter determines that dead time is insufficient to control the switching of the commutating transistor and prevents the commutating transistor from being turned on. | 2009-09-24 |
20090237060 | SWITCHING POWER SUPPLY CONTROL - A switching power supply controller includes a comparator to compare a feedback signal to a first limit and a second limit, one of which includes a ramp. Limit generators may be used to generate limit signals in response to power supply signals, control signals, and/or output signals. An error amplifier may be used to generate the feedback signal in response to an output signal and an input control signal. A switching power supply may alternatively include an oscillator that shifts the switching frequency in response to the input control signal. | 2009-09-24 |
20090237061 | DC-DC CONVERSION DEVICE WITH DIGITALLY CONTROLLED COMPARATOR - A DC-DC conversion device is provided. The DC-DC conversion device includes a control signal generator, a conversion module and a comparison module. The control signal generator generates a control signal according to a delay signal. The conversion module is coupled to the control signal generator to convert an input voltage to an output voltage according to the control signal. The comparison module is coupled to the control signal generator and conversion module to compare the output voltage with a reference voltage and output the delay signal according to the comparison result, an enable signal and a clock signal. | 2009-09-24 |
20090237062 | Single-chip common-drain JFET device and its applications - A single-chip common-drain JFET device comprises a drain, two gates and two source arranged such that two common-drain JFETs are formed therewith. Due to the two JFETs merged within a single chip, no wire bonding connection is needed therebetween, thereby without parasitic inductance and resistance caused by bonding wire, and therefore improving the performance and reducing the package cost. The single-chip common-drain JFET device may be applied in buck converter, boost converter, inverting converter, switch, and two-step DC-to-DC converter to improve their performance and efficiency. Alternative single-chip common-drain JFET devices are also provided for current sense or proportional current generation. | 2009-09-24 |
20090237063 | In-Circuit programming of output voltage and output current characteristics of a PSR power supply - A primary-side regulation (PSR) controller integrated circuit includes a PSR CC/CV controller and a non-volatile shift register. An assembled power supply that includes the integrated circuit is in-circuit tested to determine errors in power supply output voltage and/or current. Programming information is determined and shifted into the shift register. During programming, the power supply regulates to a different output voltage, and the different voltage is used for shift register programming. After programming, the power supply operates in a normal mode so that the output voltage and current are within specification. The voltage and current to which the power supply regulates are set by some of the bits of the programming information. Other of the bits set error correction circuits of the PSR CC/CV controller such as a primary inductance variation compensation circuit, a line input voltage variation compensation circuit, an efficiency variation compensation circuit, and a cord resistance compensation circuit. | 2009-09-24 |
20090237064 | Switched mode power supply for a transmitter - A switched mode power supply (SMPS) suitable for use with a transmitter is disclosed. A digital signal processing unit, using a reference voltage and a voltage signal from the power source as inputs, determines the duty cycle for a voltage converter, such as a buck-boost converter, of the SMPS. | 2009-09-24 |
20090237065 | Push-On/Push-Off Power-Switching Circuit - An electrical power-switching circuit controls power to an electronic device. In some embodiments, the circuit consists of only transistors, resistors, and capacitors, making it small, low cost, and functional over a wide range of supply voltages. The circuit may be switched on and off by a momentary-contact switch. The circuit can be constructed so that, except for transistor leakage current, no power is consumed in the off state, and the controlled device can shut off its own power. | 2009-09-24 |
20090237066 | CURRENT TRANSFORMER WITH IMPEDANCE COMPENSATION AND ASSOCIATED METHOD - An impedance-compensated current transformer comprising a primary winding, a power source electrically coupled through the primary winding; a secondary winding magnetically coupled to the first primary winding, the secondary winding having a secondary winding impedance and a secondary winding resistance; and an impedance-compensation circuit electrically coupled across the secondary winding; wherein the impedance-compensation circuit actively reflects to the secondary winding a virtual impedance which is equal in magnitude and opposite in polarity to the secondary winding impedance. | 2009-09-24 |
20090237067 | DETECT AND IDENTIFY VIRUS BY THE MICROWAVE ABSORPTION SPECTROSCOPY - The present invention discloses microwave resonant absorption (MRA) of viruses through dipolar coupling to viral confined acoustic modes. The unique geometrical and mechanical properties of viruses can be reflected by the MRA frequencies, MRA linewidth, and the absorption selection rules of high-order acoustic modes. Combined these spectral characteristics with the mature microwave technology, this invention provides a novel physical mechanism to develop non-affinity-based rapid detection and identification of viruses. It can be applied in preliminary characterization on unknown or mutant viruses. | 2009-09-24 |
20090237068 | Wideband CMOS RMS power detection scheme - A system includes a first circuit and a second circuit. The first circuit includes a first MOS transistor having a gate and a drain. The first circuit is configured to receive a radio frequency (RF) signal at the gate of the first MOS transistor. The drain of the first MOS transistor is configured to output a first current that is proportional to the square of the input voltage of the RF signal while receiving the RF signal. The second circuit includes a second MOS transistor having a source configured to receive a first current from the first circuit. The second MOS transistor is biased in a triode region and has a channel resistance between the source and a drain. The second circuit is configured to output a voltage proportional to the value of the power of the RF signal received by the first circuit. | 2009-09-24 |
20090237069 | METHOD AND APPARATUS FOR DETERMINING A RESPONSE OF A DUT TO A DESIRED LARGE SIGNAL, AND FOR DETERMINING INPUT TONES REQUIRED TO PRODUCE A DESIRED OUTPUT - A method for determining input tones required to produce a desired output includes the step of extracting a linearization of a spectral map representing a device under test (DUT) that i) is under drive of a large signal having one or more fundamental frequencies with associated amplitudes and phases, and ii) produces an approximation of a desired output having at least one unwanted spectral component. The method includes the further step of using an inverse of the extracted linearization to determine the input tones required to produce the desired output under a given load condition. | 2009-09-24 |
20090237070 | METHOD OF INSTANTANEOUSLY DETERMINING OR ESTIMATING THE FREQUENCY OR AMPLITUDE OF AN INPUT SIGNAL - A method of instantaneously determining or estimating the frequency of an input signal includes mixing a digitally sampled and quantized input signal ( | 2009-09-24 |
20090237071 | Method for Determining the Type of Connection of at Least Two Electrical Devices and System Comprising Several Electric Devices - The invention relates to a method for determining the type of connection of at least two electric devices ( | 2009-09-24 |
20090237072 | SEQUENTIAL EQUIVALENT-TIME SAMPLING WITH AN ASYNCHRONOUS REFERENCE CLOCK - A sequential equivalent-time sampling oscilloscope simultaneously acquires samples of a signal-under-test and a reference clock that is asynchronous with the signal-under-test. The oscilloscope converts the samples of the reference clock into timestamps and uses the timestamps to compensate for the jitter of the oscilloscope and to indicate the absolute jitter of the signal-under-test. | 2009-09-24 |
20090237073 | POSITION DETECTING SYSTEM - A position detecting system includes a magnetic field generator, a detecting body, a magnetic field detector, a position/direction calculating unit, and a control unit. The magnetic field generator generates a magnetic field in a three-dimensional space. The detecting body is put into the three-dimensional space, and includes a resonance circuit for generating a resonance magnetic field. The position/direction calculating unit calculates a position/direction of the detecting body. If the resonance circuit is in the non-resonant state, the magnetic field detector detects an environmental magnetic field, and the control unit updates detection data of the environmental magnetic field. If the resonance circuit is in the resonant state, the magnetic field detector detects the spatial magnetic field in the three-dimensional space. The position/direction calculating unit executes processing using the detection data of the spatial magnetic field and updated detection data of the environmental magnetic field. | 2009-09-24 |
20090237074 | MAGNETIC SENSOR AND MOBILE INFORMATION TERMINAL APPARATUS - A disclosed magnetic sensor includes a substrate having a plane surface and multiple sloping surfaces; multiple soft magnetic films each disposed on a different one of the sloping surfaces and magnetized according to strength of a magnetic field; and multiple detecting devices each disposed on the plane surface, including a free layer and a pinned layer and configured to produce a detection output according to magnetization of the free layer and the pinned layer. Each of the soft magnetic films is magnetically coupled with the free layer of a different one of the detecting devices. The pinned layers of the detecting devices have magnetization directions different from each other. | 2009-09-24 |
20090237075 | MAGNETIC SENSOR DEVICE AND METHOD - A magnetoresistance sensor has a first magnetic layer that changes polarity in response to an external magnetic field and a second magnetic layer having a fixed magnetic polarity oriented in a reference direction. A varying voltage is applied to establish a varying magnetic bias field in the reference direction. An evaluation circuit calculates the difference between maximum and minimum resistance values established in response to the external magnetic field. | 2009-09-24 |
20090237076 | MAGNETIC RESONANCE IMAGING APPARATUS, A METHOD AND A COMPUTER PROGRAM FOR COMPENSATION OF A FIELD DRIFT OF THE MAIN MAGNET - In accordance with the technical measure of the invention in order to counteract the positive feedback between the superconducting magnet and the shim iron a pair of superconducting shunts ( | 2009-09-24 |
20090237077 | RF COIL FOR IMAGING SYSTEMS AND METHODS OF OPERATION - An RF coil system for magnetic resonance applications includes a multi-channel RF coil transceiver and a multi-channel RF coil. The RF coil system is structured for reconfiguration between a plurality of operational modes. | 2009-09-24 |
20090237078 | METHODS OF EVALUATING PEPTIDE MIXTURES - The presently disclosed subject matter provides methods for evaluating and characterizing peptides, peptide mixtures, and polypeptide mixtures. More particularly, the presently disclosed subject matter provides methods for evaluating or characterizing complex peptide or polypeptide mixtures comprising glutamic acid, alanine, tyrosine, and lysine, e.g., Copolymer-1 or glatiramer acetate, including, but not limited to, methods of identifying, isolating, quantifying, and purifying amino acids, peptides, polypeptides, and combinations thereof having a diethylamide group instead of a carboxyl group present on the C-terminus. The presently disclosed methods can be used to determine the mole percent of polypeptides having a diethylamide group at a C-terminus thereof and can be used to evaluate one or more properties of a sample of one polypeptide mixture as compared to one or more properties of a different sample of a polypeptide mixture. | 2009-09-24 |
20090237079 | MAGNETIC RESONANCE DEVICE AND METHOD - The invention relates to a device ( | 2009-09-24 |
20090237080 | MAGNETIC FIELD GENERATOR AND NUCLEAR MAGNETIC RESONANCE DEVICE PROVIDED WITH THE MAGNETIC FIELD GENERATOR - A magnetic field generator includes a magnetic circuit of an open magnetic path in which a uniform magnetic field can be generated with a simpler structure. A nuclear magnetic resonance device equipped with this magnetic filed generator is also provided. The magnetic field generator of an open magnetic path type includes: a first permanent magnet and a second permanent magnet which are arranged sequentially in a reference direction with a predetermined distance therebetween while directing the direction of magnetization in the reference direction, and a third permanent magnet and a fourth permanent magnet which are arranged sequentially between the first permanent magnet and the second permanent magnet along the reference direction while being in contact with each other or being spaced apart from each other with a predetermined distance therebetween. The direction of magnetization of the third permanent magnet has a first component parallel to the reference direction and a second component intersecting a first direction orthogonally and directed toward the region side. The direction of magnetization of the fourth permanent magnet has a first component and an inverted second component opposite to the direction of the second component and having a magnitude equal to a magnitude of the second component. | 2009-09-24 |
20090237081 | ARRANGEMENT TO DETUNE A RECEPTION ANTENNA IN A LOCAL COIL - An arrangement to detune a reception antenna in a local coil of a magnetic resonance system, with at least one reception antenna that is fashioned as a loop antenna and that has at least one first capacitance. Radio-frequency signals of a magnetic resonance examination are received via the reception antenna. A switchable detuning circuit contains the first capacitance connected to an oscillating circuit and a first inductance. A reception device to receive a control signal is coupled with the oscillating circuit. The reception device switches the oscillating circuit into a high-resistance state given a received control signal so that a receipt of a radio-frequency signal via the reception antenna is prevented. The reception device is fashioned to receive a wirelessly transmitted radio-frequency control signal. The radio-frequency control signal has a frequency that lies outside of the bandwidth of the radio-frequency signal used for magnetic resonance examination. | 2009-09-24 |
20090237082 | METHODS OF LOGGING GEOLOGICAL FORMATIONS - A method of method of logging an invaded geological formation comprises the steps of:
| 2009-09-24 |
20090237083 | METHOD FOR IMAGING SUBTERRANEAN FORMATIONS - A method for using a tool in a wellbore in a formation to predict an anomaly in the formation ahead of the device, the tool comprising a transmitter for transmitting electromagnetic signals through the formation and a receiver for detecting response signals. the method comprises a) bringing the tool to a first position inside the wellbore; b) energizing the transmitter to propagate a transient electromagnetic signal into the formation; c) detecting a response signal that has propagated through the formation as a result of the transient signal in step (b); d) calculating a derived quantity for the formation as a function of time based on the detected response signal for the formation; e) plotting the derived quantity for the formation against time; f) moving the tool to at least one other position within the wellbore and repeating steps (b) to (e); g) predicting an anomaly in the formation. | 2009-09-24 |
20090237084 | Electromagnetic and Magnetostatic Shield to Perform Measurements Ahead of the Drill Bit - A transmitter on a bottomhole assembly (BHA) is used for generating a transient electromagnetic signal in an earth formation. A pair of receivers on the BHA receive signals that are indicative of formation resistivity and distances to bed boundaries. A time dependent calibration factor or a time-independent calibration factor may be used to combine the two received signals and estimate the distance to bed boundaries that are unaffected by the drill conductive body. Further improvement can be obtained by using copper shielding. | 2009-09-24 |
20090237085 | VOLTAGE DETECTION CIRCUIT - A voltage detection circuit | 2009-09-24 |
20090237086 | MODULAR HEAVY LOAD BATTERY TEST SYSTEM - A modular heavy load battery test system is provided. The system includes a heavy load module and a battery tester. The heavy load module includes a housing, first and second lengths of high-resistivity, large-gauge wire arranged on respective upper and lower surfaces of a heat-resistant support plate, a switch and at least one cooling fan. The battery tester includes a housing, a microcontroller and a set of battery charging wires. The microcontroller selects the configuration of the first and second wires and provides the control signal to the heavy load module, while the switch selectively connects the first and second wires to the battery tester based upon the control signal. | 2009-09-24 |
20090237087 | Power source health assessment methods and systems thereof - A method and system for assessing health of a power source includes measuring voltage and current of a power source in a system using a device in the system as the load. An internal resistance of the power source is determined based on the measured voltage and current. A health assessment of the power source is determined and provided based at least on the determined internal resistance and a stored baseline internal resistance for the power source. | 2009-09-24 |
20090237088 | METHOD FOR INSPECTING INSULATION PROPERTY OF CAPACITOR - A method for inspecting insulation property of a capacitor, comprises the steps of: applying a DC voltage V | 2009-09-24 |
20090237089 | APPARATUS FOR TRANSFERRING PACKAGED CHIPS, TEST HANDLER AND METHOD FOR MANUFACTURING PACKAGED CHIPS - An apparatus for transferring packaged chips, a test handler, and a method for manufacturing packaged chips are provided. The apparatus for transferring packaged chips may include a main frame having a coupling member coupled to a base plate and a supporting member coupled to the coupling member, a plurality of first pickers coupled to one side of the supporting member so as to be movable in a horizontal direction, a plurality of second pickers coupled to the other side of the supporting member so as to be movable in the horizontal direction, and a control unit to determine distances by which the first pickers and the second pickers move in the horizontal direction. | 2009-09-24 |
20090237090 | METHOD AND SYSTEM FOR ADJUSTING CHARACTERISTICS OF INTEGRATED RELATIVE HUMIDITY SENSOR - A method and system for adjusting characteristics of a relative humidity sensor in order to achieve a desired value of accuracy is presented. A relative humidity sensor, charge balance circuit include a series of sensing capacitors Cx | 2009-09-24 |
20090237091 | ELECTRICAL TESTER SETUP AND CALIBRATION DEVICE - An electronic testing machine includes a plurality of test modules. Each test module has a plurality of contact pairs for testing electronic components. An apparatus and process for electrical test setup and calibration of the electronic testing machine includes a plate having at least one contact per track movable between test positions to electrically insert a test device selectively between any one contact pair, and a control program. The test device can be selected from a group consisting of a volt meter, a current meter, a precision voltage/current source, a calibration resistor, and a calibration capacitor. The control program can perform at least one test function through the plate. The test function can be selected from a group consisting of alignment verification, voltage/current source verification, insulation resistance (IR) leakage measurement verification, part-present contact check verification, capacitance and dissipation (CD) measurement verification, IR/CD compensation, and IR/CD calibration. | 2009-09-24 |
20090237092 | MICROWAVE AND MILLIMETER WAVE IMAGING SYSTEM - A sensor array having a plurality of modulated slots for microwave and/or millimeter wave imaging. The locations of the slots in the array define a spatial domain away from an object for detecting an electric field from the object. Each of the slots outputs a signal representative of the measured field and the location of the slot. A processor decodes the signals and generates an image of the object. | 2009-09-24 |
20090237093 | MICROWAVE RECTENNA BASED SENSOR ARRAY FOR MONITORING PLANARITY OF STRUCTURES - A microwave rectenna based sensor array is disclosed, which can remotely detect and monitor the planarity and curvature change of the surface of a structure, irrespective of the size or shape of the structure, by using a microwave signal. | 2009-09-24 |
20090237094 | Method for evaluating magnetoresistive element - A method for evaluating a magnetoresistive element includes polarizing the magnetoresistive element in a first direction of a core width, and stepwise increasing a maximum magnetic field applied in a measurement and measuring a maximum value of resistance of the magnetoresistive element at each step. Measuring the maximum value includes applying a magnetic field in a second direction opposite to the first direction at each step and obtaining the maximum value of the resistance while changing the magnetic field from an initial magnetic field to the maximum magnetic field applied at each step. | 2009-09-24 |
20090237095 | METHOD AND DEVICE FOR MEASURING POWDER PROPERTIES - An object of the present invention is to provide a method for measuring information relating to the impedance characteristics of a powder with high accuracy. To achieve such an object, the method for measuring powder properties according to the present invention includes a step in which the impedance characteristics of a powder are obtained by an alternating current impedance method, using a function setting a pressure applied to the powder or a density of the powder as a variable. From the obtained impedance characteristics, information relating to at least one of the components can be extracted, the components being a first component that is dependent on the variable, and a second component that is not dependent on the variable. | 2009-09-24 |
20090237096 | Compensation Tool For Calibrating An Electronic Component Testing Machine To A Standardized Value - A compensation tool and process is provided for calibrating each test position located at a plurality of test modules of an electronic testing machine to a standardized value. Each test module is located on an angularly spaced radial line extending from an associated central axis and has a plurality of contacts for testing electronic components. The compensation tool can include a body having an axis of rotation coaxially alignable with the central axis for rotation to different angular positions, and a component-support member operably associated with the body for indexing movement to selectively align with different contacts associated with each test position located at each of the plurality of test modules. The component-support member can include a pocket for receiving an electronic component with terminated ends extending outwardly to allow electrical contact and testing of each test position located at each the plurality of test modules. | 2009-09-24 |
20090237097 | TEST INTERCONNECT - According to an example embodiment, a contact cell includes a first element that is flexible and electrically conductive, and that is structured to have at least one bend along an entire length of the first element. The contact cell further includes a second element that is flexible and electrically conductive, and that is structured to have at least one bend along an entire length of the second element. The contact cell further includes a tie that is electrically non-conductive, and that is affixed to the first element and affixed to the second element such that the first element and second element are physically and electrically separated from each other. | 2009-09-24 |
20090237098 | WAFER TESTING SYSTEM INTEGRATED WITH RFID TECHNIQUES AND THESTING METHOD THEREOF - This invention provides a wafer testing system and testing method thereof. The wafer testing system comprises a wafer storage section, a prober, a tester, an RFID middleware unit, an EDA system and an MES system. The wafer storage section stores a multiplicity of carriers, each of which is provided with at least a RFID tag. The prober comprises a RFID reader to read a tag information. The tester sends a test signal to the prober for implementing the wafer test so as to generate a test result and calls an interface program to convert the test result into a file conformed with a specific data format. The RFID middleware unit receives the tag information and calls related applications to process the tag information so as to generate a wafer information. The EDA system receives the file of the specific data format converted from the interface program and calculates thereof to generate a wafer yield information after wafer test. The MES system integrates the wafer information from the RFID middleware unit with the yield information from the EDA system so as to allow monitoring the wafer manufacturing process and testing yield rate in a real-time manner. | 2009-09-24 |
20090237099 | Probe card substrate with bonded via - The present invention is directed to a probe head having a probe contactor substrate with at least one slot that passes through the probe contactor substrate, at least one probe contactor adapted to test a device under test, with the probe contactor being coupled to the a top side of the probe contactor substrate and electrically connected to a terminal also disposed on top of the probe contactor substrate, and a space transformer having at least one bond pad coupled to a top side of the space transformer, and a bond interconnect which electrically couples the bond pad to the terminal through the slot in the probe contactor substrate. | 2009-09-24 |
20090237100 | Electronic Device Test Apparatus and Method of Mounting of Performance Board in Electronic Device Test Apparatus - An electronic device test apparatus comprising: a test apparatus body for testing IC devices formed on a wafer for electrical characteristics; a probe card for electrically connecting the IC devices and the test apparatus body; a prober for pushing the wafer against the probe card so as to electrically connect the IC devices and the probe card; an abutting mechanism extending toward the back surface of the probe card and abutting against the back surface of the probe card; and a lock mechanism fixing the extension of the abutting mechanism in the state with the abutting mechanism abutting against the back surface of the probe card. | 2009-09-24 |
20090237101 | METHOD FOR CORRECTING DISPLACEMENT OF MULTI CARD AND METHOD FOR TESTING CIRCUIT ELEMENT - A method for correcting displacement of a multi card with respect to a product wafer, includes displacing a predetermined wafer on a stage of a probing device and forming a contact trace of a probe needle on a surface of the wafer by bringing the probe needle into contact with the wafer disposed on the stage; localizing, based on the contact trace, a displaced area from the surface of the wafer, the area being displaced with respect to the multi card, and determining a displacement amount of the displaced area; and setting a parameter based on the displacement amount, the parameter to be referred in the case of positioning of the multi card to the displaced area. The displacement of the multi card is corrected in a case of testing electric characteristics of a plurality of circuit elements formed on the product wafer with the use of the multi card capable of bringing the probe needles into contact with the plurality of circuit elements all at once. | 2009-09-24 |
20090237102 | HEATING APPARATUS FOR SEMICONDUCTOR DEVICES - A heating apparatus for semiconductor devices comprises an oven including a front wall having a plurality of front openings and a back wall having a plurality of back openings each with isolating self-closing doors, a carrier module configured to load semiconductor devices into the oven through the front opening in a removable manner, a temperature-controlling module configured to control the temperature of the oven, and a test module positioned at a backside of the oven and configured to generate, receive or switch electrical test signals for the semiconductor devices in the oven. | 2009-09-24 |
20090237103 | IMAGE SENSOR MONITOR STRUCTURE IN SCRIBE AREA - A semiconductor die including a semiconductor chip and a test structure, located in a scribe area, is designed and manufactured. The test structure includes an array of complementary metal oxide semiconductor (CMOS) image sensors that are of the same type as CMOS image sensors employed in another array in the semiconductor chip and having a larger array size. Such a test structure is provided in a design phase by providing a design structure in which the orientations of the CMOS image sensors match between the two arrays. The test structure provides effective and accurate monitoring of manufacturing processes through in-line testing before a final test on the semiconductor chip. | 2009-09-24 |
20090237104 | TESTING METHOD OF SEMICONDUCTOR INTEGRATED CIRCUIT AND INFORMATION RECORDING MEDIUM - A testing method of semiconductor integrated circuit wherein the quality of diffusion for semiconductor chips can be tested before the semiconductor chips become packaged semiconductor integrated circuits is provided. Input data is set, and circuit current values I(L) and I(H) obtained for each of a plurality of circuit areas are compared with first test pass ranges I | 2009-09-24 |
20090237105 | Semiconductor Arrangement and Method for the Measurement of a Resistance - A semiconductor arrangement has a semiconductor body (CP), comprising a semiconductor layer (HL) with a first (AB | 2009-09-24 |
20090237106 | DIGITAL PROGRAMMABLE PHASE GENERATOR - A programmable phase shifter is constructed of Rapid Single Flux Quantum (RSFQ) logic elements. The logic elements may include an RSFQ inverter and an RSFQ T flip-flop. A digital word comprising N bits is used to control the amount of phase shift and the phase shifter selectively imparts a respective phase shift for any of 2 | 2009-09-24 |
20090237107 | Circuit having an active clock shielding structure and semiconductor intergrated circuit including the same - A circuit having an active clock shielding structure includes a logic circuit that receives a clock signal and performs a logic operation based on the clock signal, a power gating circuit that switches a mode of the logic circuit between an active mode and an sleep mode based on a power gating signal, a clock signal transmission line that transmits the clock signal to the logic circuit, and at least one power gating signal transmission line that transmits the power gating signal to the power gating circuit and functions as a shielding line pair with the clock signal transmission line. | 2009-09-24 |
20090237108 | Semiconductor integrated circuit - Provided is a semiconductor integrated circuit including: an output circuit connected between a power supply (VDD0) and a ground (GND0), having an input connected to an input terminal, and having an output connected to an output terminal; and a power-supply-noise cancelling circuit connected between the input terminal and the output terminal to generate a current that cancels a current flowing from the power supply (VDD0) to the output terminal or a current flowing from the output terminal to the ground (GND0), based on a potential difference between the input terminal and the output terminal. | 2009-09-24 |
20090237109 | Efficient method for implementing programmable impedance output drivers and programmable input on die termination on a bi-directional data bus - A combined input and termination circuit comprises a fixed portion of impedance and a programmable portion of impedance. The fixed portion is able to be fixed in a driver mode and a termination mode. The programmable portion is able to be configured to have a desired impedance in a driver mode or a termination mode while maintaining minimum associated capacitance. | 2009-09-24 |
20090237110 | PROGRAMMABLE ON-CHIP LOGIC ANALYZER APPARATUS, SYSTEMS, AND METHODS - Apparatus, systems, and methods disclosed herein may cause an event trigger state machine associated with a programmable on-chip logic analyzer (POCLA) to transition to a programmable state at a programmable number of occurrences of a programmable set of events associated with a first subset of signals on a first subset of input signal paths. States associated with a second subset of signals on a second subset of input signal paths may be stored at a time relative to a transition to the programmable state if a set of storage criteria have been met. Additional embodiments are disclosed and claimed. | 2009-09-24 |
20090237111 | Integrated Circuits with Hybrid Planer Hierarchical Architecture and Methods for Interconnecting Their Resources - The present invention relates to methods for interconnecting base, switching and interconnect resources for configurable integrated circuits that include the following steps: interconnecting base and switching resources with interconnect resources to form a hierarchical interconnect structure; physically placing the hierarchical interconnect structure in a two dimensional format; and directly interconnecting selected neighboring base and switching resources. The integrated circuits generated include base resources, interconnect resources; and switching resources that are interconnected to form a hierarchical interconnect structure, and, additional interconnect resources that directly interconnect neighboring switching or base resources. Integrated circuits of this invention and integrated circuits with resources interconnected with methods of this invention have improved performance and exhibit the advantages of both integrated circuits with hierarchical interconnect routing architecture and integrated circuits with mesh interconnect routing architecture. | 2009-09-24 |
20090237112 | DATA TRANSFER CABLE FOR PROGRAMMABLE LOGIC DEVICES - A programmable logic device (PLD) data transfer cable includes a parallel interface, a programming interface, and a logic control circuit. The parallel interface is used for connecting to PLDs. The logic control circuit includes a first group of transmission channels, a second group of transmission channels, a first group of switches, and a second group of switches. The first and second group of switches control the working status of the first and second group of transmission channels respectively. The electrical connections between pins of the parallel interface and the programming interface when first group of transmission channels are activated are different with those when second group of transmission channels are activated. | 2009-09-24 |
20090237113 | SEMICONDUCTOR INTEGRATED CIRCUIT, PROGRAM TRANSFORMATION APPARATUS, AND MAPPING APPARATUS - A semiconductor integrated circuit ( | 2009-09-24 |
20090237114 | DECODER CIRCUIT - A normally operable decoder circuit is obtained without entailing a delay in decoding operation, an increase in circuit area, and an increase in circuit design cost. An NMOS transistor in a high-voltage circuit portion is inserted between the output of a NAND gate and a node, and receives an input signal at the gate electrode thereof. A load current generating portion in the high-voltage circuit portion includes PMOS transistors coupled in series between a high power supply voltage and the node. One of the PMOS transistor receives a control signal at the gate electrode thereof. The other PMOS transistor receives a control signal at the gate electrode thereof. An inverter receives a signal obtained from the node as an input signal, and outputs the inverted signal thereof as an output signal. | 2009-09-24 |
20090237115 | SINGLE-PHASE 3-WIRE POWER LINE CONNECTION DETERMINATION APPARATUS AND CONNECTION DETERMINATION METHOD - In a method for determining whether multiple power outlets in a 3-wire power line connection are connected to a same outer wire (P | 2009-09-24 |
20090237116 | RECEIVING DEVICE - A receiving device for receiving a parallel-data including a clock and a plurality of data signals, the receiving device includes a plurality of data capturing circuits for receiving the data signal and the clock, respectively, the data capturing circuit capturing the data signal of the parallel-data on the bases of the clock; a plurality of phase comparing circuits for receiving the data signal and the clock, respectively, the phase comparing circuit capturing the clock of the parallel-data on the bases of the each data in order to compare a phase between the clock and the data signal; and an aggregating circuit for monitoring a relationship between the clock and the data signals on the bases of comparison results from the plurality of phase comparing circuits. | 2009-09-24 |
20090237117 | ELECTRICAL PHYSICAL LAYER ACTIVITY DETECTOR - A low-current differential signal activity detector circuit may be configured to reject large common mode signals on differential input lines, while still detecting smaller differential signals applied to the same set of differential input lines. The detector circuit may comprise a translinear buffer that is driven at the buffer input and at the buffer output by the differential input signals. The differential signal thereby driving the inputs of the detector circuit may be half-wave rectified through the buffer output devices and may be filtered to provide the detected output. When applying a common mode signal, the buffer's input and output may track each other, and no current may be rectified in the output devices, thus providing common-mode signal rejection. The detector circuit may also be configured with two buffers having their outputs coupled to a common node, each buffer input driven by a respective one of the differential input signals. The differential signal thereby driving the inputs of the detector circuit may be fully rectified through the output devices of the two buffers, and may be filtered to provide the detected output. The two buffers may be configured in a symmetrical structure that allows for the rejection of common-mode signals when the outputs of the buffers are coupled to a common node. | 2009-09-24 |
20090237118 | Zero Input Current-Drain Comparator with High Accuracy Trip Point Above Supply Voltage - A comparator circuit ( | 2009-09-24 |
20090237119 | Semiconductor integrated circuit - A semiconductor integrated circuit has a sampling circuit which samples a potential of an input terminal, a dynamic comparator having a standby and a comparison mode which compares the potential of the input terminal and a reference potential, a switch for input signals connected between the input terminal and the dynamic comparator, a capacitor for comparator having one end connected between the switch for input signals and the dynamic comparator and another end connected to a fixed potential, and a timing control circuit which controls a timing to sample by sampling circuit, a timing to switch modes of dynamic comparator, and a timing to make switch for input signals conducting or blocking state. The timing control circuit makes the switch for input signals blocking state from conducting state before the dynamic comparator switches from standby mode to comparison mode, and terminates sampling by sampling circuit after switching modes. | 2009-09-24 |
20090237120 | SAMPLE-AND-HOLD CIRCUIT AND CCD IMAGE SENSOR - Noise is more effectively reduced in one circuit. When sampling and holding is performed, switching of an ON resistance of MOS transistors (MSH | 2009-09-24 |
20090237121 | Correlated double sampling technique - A sampling circuit according to correlated double sampling to generate a difference of two voltages at a sampling node, with the second voltage representing the sum of an input signal and an offset, and the first voltage representing the offset alone. In an embodiment, a first capacitor is charged to the first voltage in a first phase. A second capacitor is then charged to the second voltage in a second phase. In a third phase, the first capacitor is coupled to the input terminal of the amplifier and the second capacitor is coupled between the input and output terminals of the amplifier to cause the amplifier to generate the difference of the first and second voltages. The first capacitor has a capacitance much less than the second capacitor, thereby minimizing the noise power at the output of the amplifier. | 2009-09-24 |