29th week of 2010 patent applcation highlights part 17 |
Patent application number | Title | Published |
20100181958 | ENVIRONMENTAL POWER GENERATION DEVICE AND ASSOCIATED METHODS - An environmental power generation device may include a base, a turbine mounting structure carried by the base and a wind turbine carried by the turbine mounting structure. The environmental power generation device may also include a power generator in communication with the wind turbine. The power generator may include a rotor in communication with the wind turbine, and a stator in rotational communication with the rotor. The environmental power generation device may further include a solar cell mounting structure connected to the base, and a solar cell connected to the solar cell mounting structure and positioned to overlie the wind turbine. | 2010-07-22 |
20100181959 | METHOD AND SYSTEM FOR INTERNALLY JUMP-STARTING AN ENGINE - Methods and apparatus are provided for performing a jump-start without the use of external equipment. The apparatus comprises a first battery electrically coupled to a starter motor for an engine, the first battery providing power to start the engine; a second battery; a power converter electrically coupled to the first battery and electrically coupled to the second battery; and a controller communicatively coupled to the power converter. The controller may be configured to determine a low battery condition of the first battery such that the first battery has insufficient power to start the engine, and when the low battery condition occurs, to direct the power converter to supply power from the second battery to the first battery to thereby allow the engine to be started. | 2010-07-22 |
20100181960 | RECHARGEABLE POWER SUPPLY DEVICE HAVING AN IDENTIFICATION DEVICE - The invention relates to a rechargeable power supply device for supplying power to an electrical appliance. The rechargeable power supply device is provided with at least one chip on which data for identification of the power supply device can be stored, and can be read by the electrical appliance and/or by a charger. | 2010-07-22 |
20100181961 | ADAPTIVE POWER CONTROL FOR WIRELESS CHARGING - Exemplary embodiments are directed to wireless power transfer. A transmitter generates an electromagnetic field at a resonant frequency with a transmit antenna to create a coupling-mode region within a near field of the transmit antenna. The transmitter defines a beginning of a recurring period by on-off keying the electromagnetic field during a synchronization portion of the recurring period. During a power transmission portion of the recurring period, the transmitter couples portions of the electromagnetic field to different receive antennas of various receiver devices within the coupling-mode region. The transmitter also determines a power allocation within the recurring period for the various receiver devices disposed within the coupling-mode region and adjusts a power level of the near field radiation responsive to power requirements received from the receiver devices. | 2010-07-22 |
20100181962 | Nondirectional Radio Frequency Rechargeable Dry Cell - This invention relates to a nondirectional radio frequency (RF) rechargeable dry cell, including a dry cell case, an accumulator that installed inside the dry cell case, and a nondirectional radio frequency charge unit. The nondirectional radio frequency charge unit includes a nondirectional induction coil and charging control circuit, wherein the nondirectional induction coil connects with the accumulator by the charging control circuit. The nondirectional radio frequency rechargeable dry cell of this invention is able to carry on wireless charging for the dry cell by the induction of the high-frequency impulse magnetic field and converting into electrical energy, which is efficient and far ranged. When the electric appliance using the nondirectional radio frequency rechargeable dry cell of this invention, the wireless charging is realized without the removal of the batteries from the electric appliance, and is flexible and convenient. | 2010-07-22 |
20100181963 | Battery Charger and Method for its Operation - A battery charger having an RF storage transformer whose primary winding is connected via a clock to a two-pole input for receiving an AC voltage, and whose secondary winding is connected as a flyback converter to a rectifier with a two-pole output for the battery. The charger has a measurement unit, which detects the input current and voltage and a controller which operates the clock as a function thereof. A method for operating the charger, wherein the controller continually switches the clock on for a first interval and switches it off for a second interval, wherein the first interval ends when the current rises to a value corresponding to the instantaneous value of the voltage times a scaling factor, and the duration of the first and second intervals is sufficiently long that their total duration corresponds to the period of one interval of permissible operating frequencies of the transformer. | 2010-07-22 |
20100181964 | WIRELESS POWER DISTRIBUTION SYSTEM AND METHOD FOR POWER TOOLS - A wireless power distribution system and method for power tools. The system includes a power transmitter and a plurality of power harvesters or receivers. The receivers are located in power tools, battery packs that are attachable to and detachable from the power tools, or a device or case that is interfaceable with the power tool or battery pack. The power transmitter transmits radio frequency (“RF”) power signals to the receivers that are within transmission range of the power transmitter. The receivers receive the RF power signals and convert the RF power signals into direct current. The direct current is used to charge a battery, directly power a tool, or both. | 2010-07-22 |
20100181965 | BATTERY CHARGER AND DETECTION STRUCTURE FOR DETECTING MOUNTED COMPACT ELECTRIC APPARATUS - In a battery charger for charging a built-in secondary battery of a compact electric apparatus such as an electric shaver, an erroneous detection due to incomplete mounting of the compact electric apparatus on a mounting base is prevented with a simple and inexpensive configuration. A detection structure for detecting mounting of the compact electric apparatus on the mounting base comprises a charge contact member, a common contact member and a signal contact member which are electrically connected to a positive power source line, a negative power source line and a control signal line of the compact electric apparatus, respectively. A detection contact which electrically connects the signal contact member to the common contact member when the compact electric apparatus is not mounted on the mounting base is integrally formed on the signal contact member. When compact electric apparatus is mounted on the mounting base, the detection contact is displaced corresponding to mounting of the compact electric apparatus so that the signal contact member is electrically disconnected from the common contact member. Thereby, it is possible to detect that the compact electric apparatus is mounted on the mounting base. | 2010-07-22 |
20100181966 | BATTERY PACK - A cordless power tool system is provided which is driven by using a battery pack as a power source, and which has work performance equivalent to an AC power tool is driven by using a commercial power source as a power source. The cordless power tool system is configured to include: a battery pack in which DC voltage of battery modules is converted into AC voltage, to thereby output the AC voltage having a level which is comparable to that of the commercial power source; a cordless power tool which is driven by using the battery pack as a power source; an electrical cord adapter which allows power supply from the commercial power source to the battery pack for charging the battery pack; and an electrical cord adapter which allows power supply from the commercial power source to the cordless power tool for driving the cordless power tool. | 2010-07-22 |
20100181967 | Battery Charger and Associated Method - The present invention relates to battery chargers. A first controller can be configured to set, when a first power supply is coupled to a first port, a current produced by a variable current source at a safe rate to charge a battery. An ammeter can be configured to measure, when the battery is coupled to a second port, the current flowing into the battery. The first controller can be configured to increase, after a passing of a quantifiable amount of time, the current produced by the variable current source by a quantifiable amount of current. The first controller can be configured to continue iteratively to increase, after the passing of the quantifiable amount of time, the current produced by the variable current source by the quantifiable amount of current until the safe rate is near or at a highest safe rate to charge the battery. | 2010-07-22 |
20100181968 | BATTERY CHARGER WITH OVERVOLTAGE PROTECTION CIRCUITRY - A battery charger with an overvoltage protection circuitry is electrically coupled to a power source and a battery. The battery charger with the overvoltage protection circuitry includes a switching circuit. The switching circuit comprises a first switching element, a second switching element, a Zener diode, and a resistor. The first switching element includes a first terminal coupled to the power source, a control terminal, and a second terminal coupled to the battery. The second switching element includes a first terminal coupled to the control terminal of the first switching element, a control terminal, and a second terminal coupled to the first terminal of the first switching element. The Zener diode includes a cathode coupled to the control terminal of the second switching element and an anode grounded. The resistor includes a first terminal coupled to the control terminal of the first switching element and a second terminal grounded. | 2010-07-22 |
20100181969 | VOLTAGE REGULATED PERMANENT MAGNET GENERATOR - A single phase AC generator uses a rotor contained within a stator. The stator has an armature winding and a control winding which is capable of having its magnetic permeability adjusted, thereby limiting the output voltage of the armature winding. The stator additionally has two core sections. | 2010-07-22 |
20100181970 | PHASE SHIFT CONTROL METHOD FOR BOOST CONVERTER AND CIRCUIT IMPLEMENTATION - A phase shift control method for a boost converter and circuit implementation comprises a master phase and at least one slave phase. A master-phase inductor current flowing through the master phase has a master-phase charge time interval and a master-phase discharge time interval; a slave-phase inductor current flowing through the slave phase has a slave-phase charge time interval and a slave-phase discharge time interval. The method comprises: calculating an ideal switching timing whereat the slave-phase inductor current descends to a zero-current judgment value; obtaining a physical switching timing whereat the slave-phase charge time interval starts; calculating a conduction timing error between the physical switching timing and the ideal switching timing; determining the time length of the slave-phase charge time interval in the same cycle according to the conduction timing error and the master-phase charge time interval. | 2010-07-22 |
20100181971 | POWER SYSTEM HAVING A LOCAL SENSE CONTROL DOMINANT OVER A REMOTE SENSE CONTROL TO AVOID EFFECTS OF INTERCONNECTION FAILURE MODES - A power system is configured to provide a regulated voltage to an electrical load connected to a power source through at least one power line. The power system includes a first voltage control loop based on a remote sense signal indicative of voltage level at the load. The power system further includes a second voltage control loop based on a local sense signal indicative of a level of output voltage at the power source. The voltage level of the local sense signal is generally at a higher voltage level relative to the voltage level of the remote sense signal. Circuitry is configured to pass just the signal with the higher voltage level to ensure that the local sense control loop is a dominant control loop with respect to the remote sense control loop. This avoids effects on the power source from one or more failure modes that can occur in interconnections of the system. | 2010-07-22 |
20100181972 | Voltage regulator circuit - A voltage regulator circuit of the present invention includes an input circuit that inputs a voltage, an output circuit that outputs a voltage, a first differential amplifier that compares a predetermined reference voltage and a feedback voltage from the output circuit, a first transistor having a source connected to the input circuit, a drain connected to the output circuit, and a gate that inputs an output from the first differential amplifier, a second transistor having a source connected to the input circuit, a drain connected to the output circuit, a gate that inputs the output from the first differential amplifier, and a current driving capability that is less than the first transistor, and an overshoot adjusting circuit that turns off the first transistor if the feedback voltage exceeds a predetermined value. | 2010-07-22 |
20100181973 | Voltage Converter with Connected Capacitors and Device for the Compensation of the Capacitors Voltages - A voltage converter comprises a first, a second and a third capacitor ( | 2010-07-22 |
20100181974 | VOLTAGE REGULATORS - An electronic circuit is provided. An error amplifier comprises a first input terminal coupled to a reference voltage, a second input terminal coupled to a feedback voltage, and a transistor comprises a first terminal coupled to an input voltage, a control terminal coupled to an output terminal of the error amplifier and a second terminal outputting an output voltage. A switching-capacitor circuit is coupled between the output voltage and the error amplifier and comprises a plurality of switching elements and at least first and second capacitors. The switching elements are switched by non-overlapping clocks such that the second capacitor is discharged to a bias voltage during a first period, and the first and second capacitors are connected together during a second period thereby extracting a division voltage from the output voltage to serve as the feedback voltage. | 2010-07-22 |
20100181975 | Switching Converter and Method to Control a Switching Converter - Preferred embodiments of the present invention are a switching converter, an integrated circuit package, and method for controlling a switching converter. An embodiment of the invention is a switching converter comprising a first compensation network having a first node coupled to an error voltage and a second node coupled to electrical ground and a second compensation network having an input coupled to the error voltage. A frequency domain transfer function of the first compensation network comprises a first zero and a plurality of first poles, and a frequency domain transfer function of the second compensation network comprises a second zero and a second pole. | 2010-07-22 |
20100181976 | MULTI-PHASE DRIVING CIRCUIT - A multi-phase driving circuit includes a single-phase pulse-width modulation (PWM) controller, a number of drivers, and a number of switch circuits connected to the number of drivers correspondingly. The single-phase PWM controller is configured for providing a single-phase PWM signal. Each of the number of drivers receives the single-phase PWM signal and adjusts a phase of the single-phase PWM signal to output an adjusted PWM signal. Each of the number of drivers also outputs a driving signal. Each of the number of switch circuits receives the adjusted PWM signal and the driving signal from a driver. Each of the number of switch circuits generates a driving voltage controlled by the driving signal and adjusts a phase of the driving voltage controlled by the adjusted PWM signal and then outputs the adjusted driving voltage, so as to make the number of switch circuits output a multi-phase driving voltage to a load. | 2010-07-22 |
20100181977 | SWITCHING REGULATOR AND METHOD FOR CONTROLLING OPERATION THEREOF - A disclosed switching regulator includes: a switching element switching in accordance with an input control signal; an inductor charged with a supply voltage by the switching of the switching element; a rectifying element discharging the inductor when the switching element is switched off and charging of the inductor is stopped; and a control circuit unit generating an error voltage based on a voltage difference between a proportional voltage and a predetermined reference voltage, generating and outputting a pulse signal with a duty cycle in accordance with the error voltage to a control electrode of the switching element. The control circuit unit generates a feedback voltage from the duty cycle of the pulse signal, generates the pulse signal with the duty cycle from a voltage difference between the generated feedback voltage and the error voltage, and varies the voltage difference from the duty cycle of the pulse signal. | 2010-07-22 |
20100181978 | Booster circuit and PWM signal generator - A PWM signal generator used for a booster circuit including a voltage-boosting coil that is connected to a main power supply, and a driving transistor that drives the voltage-boosting coil to generate boosted voltage, the PWM signal generator including a first amplifier that generates intermediate voltage based on a voltage value of the boosted voltage, a triangular wave generator that generates a triangular wave signal, a comparator that compares a voltage level of the intermediate voltage with a voltage level of the triangle wave signal to generate an intermediate PWM signal, a driver that generates a PWM signal supplied to the driving transistor based on the intermediate PWM signal, and a second amplifier that generates a driver power supply supplied to the driver based on magnitude of a voltage value of the intermediate voltage. | 2010-07-22 |
20100181979 | DC/DC converter circuit - A DC/DC converter circuit including a boosting circuit which includes: a first capacitance (FC); a first switch (FS), one end of FS connected to a first terminal of FC, and another end of FS connected to a first power supply; a second switch (SS), one end of SS connected to a second terminal of FC, and another end of SS connected to a second power supply; a third switch (TS), one end of TS connected to the first terminal of FC, and another end of TS connected to an output terminal; an amplifier, an output of the amplifier electrically connected to the second terminal of FC; and a voltage-dividing resistor that generates a feedback voltage to be provided to amplifier, and connected to the first terminal of FC. | 2010-07-22 |
20100181980 | SWITCHING POWER SUPPLY CONTROLLER WITH SELECTIVE FEEDBACK SAMPLING AND WAVEFORM APPROXIMATION - A switching power supply controller which includes at least one switching element, and controls a switching cycle during which the switching elements are switched on and off to regulate the power supply's output voltage. The controller has a feedback signal which represents the output voltage, and a circuit node which conducts a current that is higher during a second portion of the switching cycle than it is during a first portion, such that the feedback signal varies with the current conducted by the node. To overcome feedback signal inaccuracies, a sampling circuit samples a signal which varies with the feedback signal only during the first portion of the switching cycle; the controller then regulates the output voltage in response to the sampled signal. The sampling circuit may be further arranged to produce an output which approximates the portion of the feedback signal waveform which is not sampled. | 2010-07-22 |
20100181981 | SYNCRONOUS SWITCHING REGULATOR CONTROL CIRCUIT - A switching regulator includes a first switching regulator corresponding to a master channel, and a second switching regulator corresponding to a slave channel. The first switching regulator generates first output voltage Vout | 2010-07-22 |
20100181982 | VOLTAGE GENERATING APPARATUS FOR HEADPHONE - A voltage generating apparatus for a headphone is provided, which includes a voltage generator, a charge pump circuit, an operating amplifier and a controller. The voltage generator generates a first operating voltage. The charge pump circuit receives the first operating voltage and an adjusting signal, and generates a second operating voltage according to the first operating voltage and the adjusting signal. The operating amplifier receives the first operating voltage and the second operating voltage serving as the operating voltages thereof and receives an input signal so as to generate an output signal. The controller receives the second operating voltage and a control signal, and generates the adjusting signal according to the second operating voltage and the control signal. | 2010-07-22 |
20100181983 | CONSTANT ON-TIME CONVERTER AND THE METHOD OF OPERATION - The present invention discloses a control circuit for constant on-time converter and a control method thereof. The proposed constant on-time DC/DC converter stabilizes the system and improves the performance of the load transient response without large equivalent series resistance of the output capacitor. | 2010-07-22 |
20100181984 | Switching Control Circuit and Self-Excited DC-DC Converter - The switching control circuit comprises a switching control signal generation circuit that detects a change in ripples of the output voltage and-generates a switching control signal for the on/off control of the switching element to make the output voltage follow the target level; an overcurrent state detection circuit that generates a state signal indicating whether the output current is in an overcurrent state where the output current is equal to or greater than a predetermined current; and a delay circuit that delays the state signal for a same predetermined delay time at both of the times when the output current exceeds the predetermined current and when the output current falls below the predetermined current. | 2010-07-22 |
20100181985 | Regulator Circuit and RFID Tag Including the Same - One object of the present invention is to provide a regulator circuit with an improved noise margin. In a regulator circuit including a bias circuit generating a reference voltage on the basis of the potential difference between a first power supply terminal and a second power supply terminal, and a voltage regulator outputting a potential to an output terminal on the basis of a reference potential input from the bias circuit, a bypass capacitor is provided between a power supply terminal and a node to which a gate of a transistor included in the bias circuit is connected. | 2010-07-22 |
20100181986 | BANDGAP CIRCUIT WITH TEMPERATURE CORRECTION - A temperature corrected voltage bandgap circuit is provided. The circuit includes first and second diode connected transistors. A first switched current source is coupled to the one transistor to inject or remove a first current into or from the emitter of that transistor. The first current is selected to correct for curvature in the output voltage of the bandgap circuit at one of hotter or colder temperatures. | 2010-07-22 |
20100181987 | START-UP CIRCUIT ELEMENT FOR A CONTROLLED ELECTRICAL SUPPLY - Electrical supply apparatus comprising a start-up circuit element coupled to an output element for ensuring reliable start-up when first connected to a source of power. The start-up circuit element comprises first and second branches with current mirror coupling therebetween. The first branch comprises first and second transistors of opposite polarities for connection in series between the source of power and ground and a leakage path to ground in parallel with the second transistor for start-up current for the first transistor of the first branch in response to application of voltage from the source of power. The current mirror coupling between the first and second branches responds to start-up of the first transistor of the first branch to start up a first transistor of the second branch and provide start-up current to the output element. The second branch may comprise a control element connected to turn off the second transistor of the first branch on start up of the output element and turn off the first transistors. Alternatively, the start-up circuit may have elements common with the output circuit and remain conductive after the output circuit starts. | 2010-07-22 |
20100181988 | METHOD FOR REDUCING POWER CONSUMPTION BASED ON MOTION SENSOR AND PORTABLE TERMINAL USING THE SAME - A method for reducing power consumption based on a motion sensor and a portable terminal adapted to the method are disclosed. The method includes terminating driving of a motion recognition program according to whether an input is detected by at least one sensor unit disposed in the portable terminal, and switching a mode of a controller included in the portable terminal into a motion recognition deactivation mode. The motion sensor-based portable terminal can reduce the power consumption, thereby lengthening the life span of the battery. The user can use the motion sensor-based portable terminal for a long period of time without frequently recharging its battery. | 2010-07-22 |
20100181989 | METHOD FOR INDUCTIVE GENERATING OF AN ELECTRICAL MEASUREMENT SIGNAL AND RELATED SENSOR DEVICE - In a method and a sensor device for inductively producing an electrical measuring signal in dependence on a magnitude that is to be measured, there are provided at least two driver coils through which a current is caused to flow in turn at the clock pulse rate of a clock pulse circuit, this current induces a voltage which is dependent on the magnitude that is to be measured in a plurality of coils, the voltage being sub-divided at the clock pulse rate of the clock pulse circuit into voltage signals which are associated with the driver coils, where the voltage signals obtained thereby are evaluated for the purposes of obtaining the measuring signal, where at least two sensor coils are associated with the at least two driver coils, wherein either the sensor coils or the driver coils are connected up in the same sense, whereas the respective other coils are connected up in a mutually opposite sense, and the voltage signals of the sensor coil associated with the driver coils are sampled in certain time periods of the clock pulse signal for the purposes of obtaining the measuring signal. | 2010-07-22 |
20100181990 | DIGITAL MULTIMETER HAVING REMOTE DISPLAY WITH AUTOMATIC COMMUNICATION MODE SWITCHING - A multimeter comprising a base unit having at least one test lead terminal. A remote display unit separate from the base unit is also provided. The remote display unit has a display operative to show measured parameters. The multimeter further comprises communication circuitry operative to provide electrical communication between the base unit and the remote display unit. The communication circuitry provides electrical communication in a plurality of alternative communication modes. At least two of the alternative communication modes are preferably wireless communication modes. | 2010-07-22 |
20100181991 | Arrangement and Method for Measuring a Current Flowing in an Electrical Conductor - An arrangement and a method are used for measuring current flowing in an electrical conductor with a magnetic circuit that has an air gap for coupling to the electrical conductor. The air gap of the magnetic circuit contains a magnetic-field-sensitive component that is used to measure the magnetic field generated by the electrical conductor, wherein, the air gap of the magnetic circuit contains a control core, wherein the control core has a control winding for the magnetic saturation of the control core. In the vicinity of the magnetic-field-sensitive component there are several additional elements that are suitable for conducting interfering magnetic fields in the surroundings of the magnetic-field-sensitive component independent of the control cores. | 2010-07-22 |
20100181992 | DEVICE FOR MEASURING ANGULAR VELOCITY OF TIRE - A device for measuring angular velocity of a rotating tire, comprising a plurality (“m” pieces) of light reflection marks ( | 2010-07-22 |
20100181993 | DIRECTION DETECTION SENSOR - A sensor responsive to movement of a detection target includes a magnetic field transducer operative to provide a magnetic field signal proportional to a magnetic field associated with the detection target, a peak detector for tracking positive and negative peaks of the magnetic field signal to generate a tracking signal, and a comparator having a first input responsive to the magnetic field signal, a second input responsive to an input signal related to the tracking signal, and an output at which is provided an output signal comprising first pulses having a first pulse width when the detection target moves in a first direction and second pulses having a second pulse width when the detection target moves in a second direction. | 2010-07-22 |
20100181994 | METHOD AND DEVICE FOR DETERMINING THE LOCATION OF A ROD FIXING POINT - The invention concerns the methods for determining, relative to a point Po, the location of a fixing point Pf of a rod T located in an environment Mi wherein prevails a permanent magnetic field Ch. The inventive method is characterized in that it consists in studying the variations of the magnetic flux which passes through the windows F when the rod is and is not subjected to a torque about its axis A, said windows having substantially the same area and being connected to the rod T respectively in different points Px, Px+1, . . . located on the portion of the rod delimited by the assumed site of the fixing point Pf, and including the point Po, and having each a given position relative to the magnetic field lines of force when the rod is not subjected to the torque. The invention also concerns a device for implementing said method. The invention is advantageously applicable to determining the location of the sticking point of a string of hollow drill rods in an oil well. | 2010-07-22 |
20100181995 | Position sensor - An electromagnetic induction type rotary encoder includes an excitation board including an excitation coil, a detection board fixed to a movable element to face the excitation board and including a detection coil placed to face the excitation coil with a clearance therefrom, and a controller for outputting an excitation signal to the excitation coil and processing a detection signal output from the detection coil. The controller includes an excitation circuit for exciting the excitation coil at high frequency and a high-frequency generating circuit, a demodulation circuit for demodulating a signal from the detection coil in accordance with excitation to the excitation coil, a waveform shaping circuit for waveform shaping a signal from the demodulation circuit, and a pulse generating circuit for outputting a pulse signal based on the signal from the waveform shaping circuit. Each of the excitation coil and the detection coil is formed in a meandering coil pattern. | 2010-07-22 |
20100181996 | MOVEMENT RANGE FOR A MOBILE OBJECT AND EVALUATION APPARATUS FOR DETERMINING A POSITION OF A MOBILE OBJECT - In order to determine a position of a mobile object relative to a surface within a movement range that comprises a ground which the surface intersects along a line of intersection, a magnetic field of a first elongate magnetic field-generating object which is located at a first distance from the line of intersection is measured, and a magnetic field of a second elongate magnetic field-generating object that is located in or on the ground, at a second distance on another side of the line of intersection, is measured. Based on a comparison between the measured magnetic fields, it is determined whether the mobile object is located in front of or behind the surface. A generator that triggers the magnetic field-generating objects in a multiplex mode is provided for distinguishing which magnetic field-generating object generates which magnetic field. The magnetic field-generating objects can comprise forward conductors of a conductor loop, oppositely wound coils, or forward/return conductor combinations having a magnetically shielded return conductor. | 2010-07-22 |
20100181997 | METHODS AND APPARATUS FOR AN ANALOG ROTATIONAL SENSOR HAVING MAGNETIC SENSOR ELEMENTS - A sensor includes a signal generation module including a magnetic sensor to provide position information for generating first and second waveforms corresponding to the position information. An analog signal processing module provides an algebraic manipulation of a subset of the first waveform, the second waveform, a first inverted waveform, and a second inverted waveform, to generate a linear output signal. | 2010-07-22 |
20100181998 | SENSOR COIL ARRAY FOR MAGNETIC INDUCTANCE TOMOGRAPHY WITH REDUCED MUTUAL COIL COUPLING - This invention relates to magnetic inductance tomography, and in particular, to coils of a sensor/driver cail array for use in a magnetic inductance tomography apparatus, in which driver/sensor coils are used to measure the induced flux in a conductive, dielectric and permittivity body, such as the human body. The sensor/driver coil array comprises at least one layer of thin coils whose centres are arranged on a regular grid, with adjacent coils overlapped by a suitable distance to cancel inductive neighbour coupling between them. | 2010-07-22 |
20100181999 | TAMPER-DETECTING ELECTRONIC SYSTEM - An apparatus for detecting tampering with an integrated circuit (IC), the apparatus comprising a second circuit comprising at least one conductor for conducting electrical current, the electrical current comprising, during at least one period of time, current of known strength, the electrical current generating a magnetic field, at least one magnetic field sensing device operatively associated with the IC, the sensing device having at least one electrical characteristic responsive to changes in a sensed magnetic field, the magnetic field sensing device being positioned so as to sense the magnetic field generated by current in the at least one conductor, and an analyzer operatively associated with the at least one magnetic field sensing device and the IC, the analyzer determining that the IC is being tampered with based, at least in part, on changes in the at least one electrical characteristic of the at least one magnetic field sensing device in response to changes in the sensed magnetic field generated by the electrical current in the at least one conductor during the at least one period of time. Related apparatus and methods are also described. | 2010-07-22 |
20100182000 | WIRE-ROPE FLAW DETECTOR - There is obtained a wire-rope flaw detector capable of realizing a high signal-to-noise ratio even in the case where only one detection coil is disposed. In the wire-rope flaw detector, there are provided a magnetizer that forms main magnetic flux in a predetermined section located along an axis direction of a wire rope ( | 2010-07-22 |
20100182001 | MONITORING SYSTEM OF CONVEYOR BELT - A monitoring system including rubber magnets | 2010-07-22 |
20100182002 | MAGNETIC SENSOR DEVICE WITH FIELD GENERATOR AND SENSOR ELEMENT - The invention relates to a magnetic sensor device ( | 2010-07-22 |
20100182003 | MAGNETIC FILM SENSOR AND METHOD OF MANUFACTURING THE SAME - A magnetic film sensor comprises a magnetic film for generating a magnetostriction, and a magnetostrictive structure for generating a magnetostriction in the magnetic film. The magnetostrictive structure is constructed so as to generate a magnetostriction by curving the magnetic film, for example. The magnetostrictive structure is obtained, for example, by providing a depressed insulating layer having a surface formed with a depression and forming the magnetic film across the depression. | 2010-07-22 |
20100182004 | HIGH-RESOLUTION WIRELINE NUCLEAR MAGNETIC RESONANCE TOOL - A nuclear magnetic resonance well logging tool, where some embodiments comprise two, oppositely oriented magnets separated by a pole piece to guide static magnetic flux into a sensitive volume, and another pole piece serving as a core for several antennas For some embodiments, the antennas are solenoids Two of the antennas serve as transmit and receive antennas, where they are driven to generate an elliptically polarized magnetic field, and their antenna responses are combined so that the combined response is sensitive to elliptically polarized magnetic fields, but with zero gradient in the z-direction A third antenna is a receive antenna sensitive to magnetic field vectors having a sinusoidal spatial venation in the z-direction of period equal to the length of the third antenna A fourth antenna serves as a receive antenna sensitive to sinusoidal magnetic field vectors with the same spatial-frequency as the third antenna, phase shifted by 90 degrees. | 2010-07-22 |
20100182005 | MAGNETIC RESONANCE TOMOGRAPHY APPARATUS WITH A LOCAL COIL AND METHOD TO DETECT THE POSITION OF THE LOCAL COIL - A magnetic resonance tomography device has a local coil that is fashioned to receive a magnetic resonance signal. This device has a detector system that is fashioned to detect a position of the local coil on the basis of electromagnetic waves that are affected by the position of the local coil and can be differentiated from the magnetic resonance signal. A method to detect a position of a local coil in a magnetic resonance tomography device Is implemented in this manner as well. | 2010-07-22 |
20100182006 | METHOD OF TIME-DOMAIN MAGNETIC RESONANCE IMAGING AND DEVICE THEREOF - The present invention relates to a method of time-domain magnetic resonance imaging and device thereof. The method includes transiently exciting a sample; receiving a signal emitted form the sample; and processing the received signal without Fourier transformation to acquire an image. The device includes an excitation device, a detecting coil and an operating circuit to process a received emitting signal and generating an image, wherein the received emitting signal is a time-domain signal free from Fourier transformation. The time of generating an image can be reduced dramatically by the present invention. | 2010-07-22 |
20100182007 | ESTABLISHMENT OF PARAMETERS TO ADJUST A MAGNETIC FIELD SHIM FOR A MAGNETIC RESONANCE EXAMINATION OF A PATIENT - A fast, efficient, qualitatively high-grade shim is enabled in a magnetic resonance apparatus and a method to set shim parameters of a magnetic resonance apparatus, to prepare the implementation of a magnetic resonance examination of a patient with an imaging medical magnetic resonance apparatus having a displaceable patient bed, wherein an examination region of the patient that is to be examined is larger than an imaging region of the magnetic resonance apparatus. | 2010-07-22 |
20100182008 | System and Method for Embedded Self-Calibration within an Inversion Recovery Pulse Sequence - An improved self-calibration method for accelerated magnetic resonance imaging (MRI) using inversion recovery pulse sequences allows calibration data for determining coil sensitivity profiles to be acquired by employing a calibration pulse sequence within the delay time of an inversion recovery pulse sequence. The calibration pulse sequence includes a constrained number of calibration pulses having small flip angles so that acceptable longitudinal magnetization recovery is provided. | 2010-07-22 |
20100182009 | COIL DECOUPLING - A Magnetic Resonance Imaging (MRI) phased array head coil ( | 2010-07-22 |
20100182010 | CIRCUIT BOARD AND METHOD FOR ATTACHING AN ELECTRONIC MODULE TO A BODY COIL OF A MAGNETIC RESONANCE APPARATUS - Efficient mounting of a module to a whole-body coil of a magnetic resonance apparatus is enabled by a circuit board with conductive contact regions located at least in the area of an edge of the circuit board, with which contact regions contacts of an electronic module for a magnetic resonance apparatus are connected in a conductive manner. The contact regions of the circuit board are configured for electrical contact with the whole-body coil. | 2010-07-22 |
20100182011 | PHOTODIODE SELF-TEST - A photodetector array ( | 2010-07-22 |
20100182012 | Wired Pipe Signal Transmission Testing Apparatus and Method - A wired pipe signal transmission testing apparatus is provided. The apparatus includes a core having a plurality of threads formed on a surface thereof and a plurality of slots cutting through crests and roots of at least a portion of the threads, thereby creating an escape route for debris that may enter in between the threads. The apparatus includes an inductive transducer coupled to the core. | 2010-07-22 |
20100182013 | PROBING APPARATUS WITH TEMPERATURE-ADJUSTING MODULES FOR TESTING SEMICONDUCTOR DEVICES - A probing apparatus for testing semiconductor devices comprises an upper guiding plate having a plurality of upper guiding holes, a bottom guiding plate having a plurality of bottom guiding holes, a plurality of vertical probes disposed between the upper guiding holes of the upper guiding plate and the bottom guiding holes of the bottom guiding plate, and a temperature-adjusting module including at least one flow line configured to direct a fluid into a space between the upper guiding plate and the bottom guiding plate. | 2010-07-22 |
20100182014 | SYSTEMS AND METHODS FOR DETECTING TERMINAL STATE AND SETTING OUTPUT DRIVER IMPEDANCE - Embodiments of the present invention include systems for calibrating an output circuit. A comparator is coupled to a calibration terminal and configured to determine whether the calibration terminal is in a first state coupled to a calibration resistor or in a second state. A calibration circuit is coupled to the calibration terminal and configured to generate a calibration value based in part on the presence or absence of the calibration resistor. An impedance selector is coupled to the calibration circuit, the comparator, and a default calibration value. The impedance selector is configured to select the default calibration value when the comparator indicates the calibration terminal is in the second state and to select the calibration value coupled from the calibration circuit when the comparator indicates the calibration terminal is in the first state. | 2010-07-22 |
20100182015 | Apparatus and Method for Calibrating the Sensitivity of a Moisture Sensor - The present invention is a method for adjusting the sensitivity of a moisture probe which measures dielectric constant of surrounding media. The method comprises the steps of placing the probe in media and adjusting its depth to alter composite measured dielectric constant of a column of media about a probe blade. | 2010-07-22 |
20100182016 | ELECTRONIC STATUS DETECTION DEVICE - An electronic status detection device for wireless detection of at least one status of an apparatus, wherein the status detection device comprises at least two resonant circuits, of which at least one resonant circuit is active and one resonant circuit is passive, wherein the active resonant circuit comprises at least one control device. A status detection device such as this makes it possible, for example, to reliably detect the presence or the absence of belt clips in safety belt locks. | 2010-07-22 |
20100182017 | DRIVE BY WIRE NON-CONTACT CAPACITIVE THROTTLE CONTROL APPARATUS AND METHOD OF FORMING THE SAME - A drive-by-wire non-contact capacitive throttle control apparatus and method of forming the same. A capacitive position sensor is provided, which includes a stationary electrode and a rotatable electrode. The rotatable electrode can be attached to a throttle lever such that the rotatable electrode rotates as the throttle lever rotates. The capacitance between the rotatable electrode and the stationary electrode varies with the position of the throttle lever. The position of the throttle lever can be measured by measuring the capacitance between the electrodes and a signal can be generated based on the sensed position. The signal can be electrically transmitted to an ECU (Electronic Control Unit) utilizing one or more electrical wires. The signal can be sent in the form of a varying voltage, which in turn controls the throttle of a vehicle. | 2010-07-22 |
20100182018 | Capacitance Sensing Apparatus - A capacitance sensing apparatus for use in a position sensing apparatus, comprising a first set of electrodes and a second set of electrodes and a capacitance sensing circuit arranged to determine, in use in a normal operating mode, the capacitance between each pairing of electrodes comprising one from the first set and one from the second set, in which the apparatus is further provided with at least one group switch arranged to selectively electrically connect together groups of the electrodes within the sets of electrodes, in which, in use in a low resolution mode of the apparatus the or each group switch connects together the groups of electrodes and the capacitance sensing circuit is arranged to determine the capacitance between the each pairing of groups of electrodes in one set and the electrodes or groups of electrodes of the other set. Typically, the apparatus is used in conjunction with a display to form a touch-sensitive display. It may be used in a position sensing apparatus for determining the proximity and position of an object to the apparatus, and is particularly applicable to use in a console of a motor vehicle of the type having the console centrally between two passenger seats. | 2010-07-22 |
20100182019 | Method and apparatus for determining soil water content - This invention is concerned with a method and apparatus to measure soil water content. A sensor electrode assembly comprised of a sensor electrode fixed to a spherical shape is implanted in undisturbed soil at the bottom of a low narrow hole in the soil under evaluation. A second electrode is implanted in adjacent soil. Water is adsorbed on the surface of the sensor electrode in proportion to the water in the soil. Electrical charge layers are present at the sensor electrode/water interface due to dissolved oxygen in the adsorbed water. These charge layers result in an interfacial capacitance whose magnitude varies with the amount of water in the soil. Under the assumption that the capacitance of the second electrode/adjacent soil interface is constant, the change in capacitance across the two wires connected to the two electrodes give a measure of the change in soil water content. Energy flow during this measurement is unidirectional, that is, from the interfacial capacitance to the measuring device. | 2010-07-22 |
20100182020 | Intrusion detection using a conductive material - Tampering with an assembly that includes an integrated circuit is detected by measuring a change in at least one property of a conductive molding formed over at least a portion of the integrated circuit. For example, the conductive molding can be a mixture of resin with conductive powder and/or fibers. The molding can be formed as a continuous region or as strips of conductive material. Conductive contacts are positioned to provide and receive current through portions of the conductive material. For example, the property of the molding can be an impedance of a portion of the conductive molding. A significant change in the impedance measured through one or more conductive contacts indicates tampering with the assembly. | 2010-07-22 |
20100182021 | DETERMINATION OF THE SAFETY OF FOODSTUFFS FOR CONSUMPTION - A method of determining and monitoring the safety of a foodstuff by subjecting the foodstuff to bioelectrical impedance analysis including measurement and calculation of values of resistance, reactance, impedance, capacitance, and phase angle of the foodstuff, and then tracking the values over time to illustrate freshness, palatability and safety of the foodstuff, and ascertaining difference in rate of change from established averages of freshness and palatability to show possible contamination of the foodstuff. | 2010-07-22 |
20100182022 | PH MEASUREMENT SYSTEM USING GLASS PH SENSOR - A pH measurement system using a glass pH sensor includes a power supply applying a voltage to the glass pH sensor through a resistor; a detector detecting the output voltage of the glass pH sensor; and a calculator calculating the pH of a solution based on the detected output voltage. The resistor provides a resistance of at least ten times less than the equivalent internal resistance of the glass pH sensor. The pH measurement system can improve the response rate by reducing the time constant depending on the dynamic characteristics of the glass pH sensor, and it is possible to diagnose whether the pH measurement system is defective or not by calculating the equivalent internal resistance and the supply voltage of the glass pH sensor. | 2010-07-22 |
20100182023 | TRANSMISSION LINE MOISTURE SENSOR - A sensor device for monitoring and testing for potential corrosion of structural elements is disclosed comprising a soluble material disposed adjacent to at least one conductor in a transmission line that reacts to the presence of moisture causing a detectable change in an electrical property of the conductor. The conductor may comprise a conductive ink that is disrupted when the soluble material dissolves beneath it. Alternately, the nonconductive soluble membrane may separate two conductors and moisture causes a disruption in the soluble membrane allowing the two conductors to short. Detected changes in the electrical properties of the one or more conductors can be used to indicate potential corrosion or structural imparement in the structural element. Connection to the sensor device may be through a connector or using a wireless reader which remotely energizes the sensor device comprising one or more RFID chips. | 2010-07-22 |
20100182024 | System and Method for Measuring a Cable Resistance in a Power Over Ethernet Application - A system and method for measuring a cable resistance in a power over Ethernet (PoE) application. A short circuit module in a powered device is designed to produce a short circuit effect upon receipt of a cable resistance detection voltage. The cable resistance detection voltage can be designed to be greater than a voltage for detection or classification and less than a voltage for powering of the powered device. The measurement of the current at a time when a short circuit effect is produced at the powered device enables a calculation of the actual resistance of the cable on a given PoE port. | 2010-07-22 |
20100182025 | Method and Apparatus for Piezoelectric Sensor Status Assessment - A method for assessing the status of a piezoelectric sensor of interest | 2010-07-22 |
20100182026 | METHODS AND SYSTEMS FOR DETERMINING FLEXOELECTRIC EFFECT IN A LIQUID CRYSTAL - There are provided methods for creating energy conversion devices based on the giant flexoelectric effect in non-calamitic liquid crystals. By preparing a substance comprising at least one type of non-calamitic liquid crystal molecules and stabilizing the substance to form a mechanically flexible material, flexible conductive electrodes may be applied to the material to create an electro-mechanical energy conversion device which relies on the giant flexoelectric effect to produce electrical and/or mechanical energy that is usable in such applications as, for example, power sources, energy dissipation, sensors/transducers, and actuators. | 2010-07-22 |
20100182027 | TEST LEAD PROBE WITH RETRACTABLE INSULATIVE SLEEVE - The present invention is directed to a test probe having an indexable probe tip. In one embodiment, an insulative sleeve extends from the test probe and surrounds a portion of the exposed probe tip. The insulative sleeve is moveable relative to the probe tip and may be indexable to at least two positions. For instance, the insulative sleeve locks into a first position to provide a first length of the probe tip exposed from the insulative sleeve, and the insulative sleeve locks into a second position to provide a second length of the probe tip exposed from the insulative sleeve. | 2010-07-22 |
20100182028 | Probe Card - A probe card is disclosed, which has a conductive layer additionally provided on an insulating seat of a probe stand and the conductive layer is electrically connected to a ground circuit on the probe card via a conductive pin being fed through the insulating seat. A conductive wire is wound surrounding the intermediate segment of the probe, one end of the conductive wire is electrically connected to the ground circuit of the circuit board, and the other end of the conductive wire is electrically connected to the conductive layer of the probe stand. Thus, due to that an additional ground portion of the conductive layer is provided on the conductive wire wound surrounding the probe, a loop inductance of the probe in the insulating seat can be reduced such that accuracy of test data of the probe can be enhanced. | 2010-07-22 |
20100182029 | ELECTRICAL TESTING DEVICE AND ELECTRICAL TESTING METHOD FOR ELECTRONIC DEVICE - An electrical testing device has a first probe that electrically contacts with an inspection device, a second probe that is electrically connected to the first probe and electrically contacts with an external terminal of a test object, a cylinder that houses the first probe and second probe, and into which and out of which a fluid flows between the first probe and second probe, and a fluid pressure regulator that controls the fluid pressure in the cylinder. The fluid pressure in the cylinder controls the contact force between the first probe and the inspection device and the contact force between the second probe and the external terminal. | 2010-07-22 |
20100182030 | Knee Probe Having Reduced Thickness Section for Control of Scrub Motion - An improved knee probe for probing electrical devices and circuits is provided. The improved knee probe has a reduced thickness section to alter the mechanical behavior of the probe when contact is made. The reduced thickness section of the probe makes it easier to deflect the probe vertically when contact is made. This increased ease of vertical deflection tends to reduce the horizontal contact force component responsible for the scrub motion, thereby decreasing scrub length. Here “thickness” is the probe thickness in the deflection plane of the probe (i.e., the plane in which the probe knee lies). The reduced thickness probe section provides increased design flexibility for controlling scrub motion, especially in combination with other probe parameters affecting the scrub motion. | 2010-07-22 |
20100182031 | Layered Probes With Core - The present invention is a probe for testing an electrical device under test comprising a core layer that is highly conductive. | 2010-07-22 |
20100182032 | PRINTED CIRCUIT BOARD TESTING FIXTURE - A printed circuit board (PCB) testing fixture secures at least one PCB, each having a port. The PCB testing fixture includes a fixing frame and a testing plate. The fixing frame defines at least one first sliding groove to receive an edge of the at least one PCB. The testing plate is adjustably fixed on the fixing frame, and includes at least one backplane each including a connector corresponding to the at least one first sliding groove individually. The connector connects to the port of the at least one PCB. A location on which the testing plate is fixed to the fixing frame can be altered to test PCBs of different sizes. | 2010-07-22 |
20100182033 | TESTABLE INTEGRATED CIRCUIT AND TEST METHOD - An integrated circuit ( | 2010-07-22 |
20100182034 | CIRCUIT FOR CONTINUOUSLY MEASURING DISCONTINUOUS METAL INSULATOR TRANSITION OF MIT ELEMENT AND MIT SENSOR USING THE SAME - Provided are a circuit for continuously measuring a discontinuous metal-insulator transition (MIT) of an MIT element and an MIT sensor using the circuit. The circuit comprises a to-be-measured object unit including the MIT element having a discontinuous MIT occurring at the transition voltage thereof, a power supply unit applying a predetermined pulse current or voltage signal to the to-be-measured object unit, a measurement unit measuring the discontinuous MIT of the MIT element, and a microprocessor controlling the power supply unit and the measurement unit. The discontinuous MIT measurement circuit continuously measures the discontinuous MIT of the MIT element, and thus it can be used as a sensor for sensing a variation in an external factor. | 2010-07-22 |
20100182035 | SEMICONDUCTOR DEVICE TEST APPARATUS INCLUDING INTERFACE UNIT AND METHOD OF TESTING SEMICONDUCTOR DEVICE USING THE SAME - A semiconductor device test apparatus is provided. The semiconductor device test apparatus includes a test unit on which a semiconductor device under test is disposed, and an automatic test equipment (ATE) unit that inputs a test signal to the test unit and reads a test result signal output by the test unit. The semiconductor device test apparatus includes an interface unit that is interposed between the test unit and the ATE unit, and that compares the test signal with the test result signal and outputs to the ATE unit comparison signals indicating whether the semiconductor device is a failure or not or whether a specific bit failure has occurred or not. | 2010-07-22 |
20100182036 | ELECTROSTATIC CHUCK POWER SUPPLY - A detection circuit is provided for a power supply for an electrostatic chuck generating a trapezoidal waveform with approximately flat tops and minimal dead-time between phase reversals. The detection circuit includes an amplifying circuit which receives inputs from a secondary winding of a transformer of the power supply and produces an amplified buffered signal. A chucking detect circuit receives the signal from the amplifying circuit and is configured to produce a first signal indicative of a substrate on the electrostatic chuck and a second signal indicative of an electrostatic chuck without a substrate. A chucking quality circuit receives the signal from the amplifying circuit and produces a signal indicative of a quality of the chucking of the substrate. A movement detection circuit receives the signal from the amplifying circuit and produces a signal indicative of movement of the substrate on the electrostatic chuck. | 2010-07-22 |
20100182037 | Diagnostic Method For Load-Testing Self-Excited Three-Phase Generators in a Motor Vehicle - The invention relates to a diagnostic method for self-excited generators, in which a diagnostic decision is made by means of field current monitoring. | 2010-07-22 |
20100182038 | Setup and method for testing a permanent magnet motor - A test setup for a permanent magnet motor provides a method for identifying symmetry or asymmetry in the magnetic fields of the motor's permanent magnets. The setup comprises a test circuit that includes a fixed reference node that provides a stable reference to which the motor's common node can be compared. Observing the waveform of the voltage between the two nodes while the motor is running helps identify an imbalance in the magnetic fields of the motor's permanent magnets. | 2010-07-22 |
20100182039 | Quantum Gate Operations with a Common Coupled Resonator - Systems and methods are provided for performing a quantum gate operation. A first classical control parameter is associated with a first qubit and coupled to a resonator. The first classical control parameter is transitioned from a first control value to a second control value. The first classical control parameter is returned from the second control value to the first control value via an adiabatic sweep operation, as to permit a transfer of energy between the first qubit and the resonator that causes a change in the quantum state of the qubit and resonator. | 2010-07-22 |
20100182040 | PROGRAMMABLE THROUGH SILICON VIA - Through silicon vias (TSVs) in silicon chips are both programmable and non-programmable. The programmable TSVs may employ metal/insulator/metal structures to switch from an open to shorted condition with programming carried out by complementary circuitry on two adjacent chips in a multi-story chip stack. | 2010-07-22 |
20100182041 | 3D CHIP-STACK WITH FUSE-TYPE THROUGH SILICON VIA - Programmable fuse-type through silicon vias (TSVs) in silicon chips are provided with non-programmable TSVs in the same chip. The programmable fuse-type TSVs may employ a region within the TSV structure having sidewall spacers that restrict the cross-sectional conductive path of the TSV adjacent a chip surface contact pad. Application of sufficient current by programming circuitry causes electromigration of metal to create a void in the contact pad and, thus, an open circuit. Programming may be carried out by complementary circuitry on two adjacent chips in a multi-story chip stack. | 2010-07-22 |
20100182042 | Circuits and Methods for Programmable Transistor Array - A programmable transistor array circuit is disclosed comprising a semiconductor substrate; and a plurality of basic transistor units (BTUs) arranged in rows and columns of uniformly spaced cells, the BTUs further comprising PMOS transistor units (PTUs), NMOS transistor units (NTUs) and dummy transistor units (DTUs) each BTU having conductors arranged in a single direction running through the BTUs and the conductors being uniformly spaced with respect to each other. The arrangement of the BTUs is subject to restricted design rules. Logical transistor units (LTUs) are formed from the BTUs using first and second layers of metallization. Methods for producing integrated circuits are disclosed forming programmable transistor arrays and implementing customer specified system designs upon the programmable transistor arrays. | 2010-07-22 |
20100182043 | RECONFIGURABLE CIRCUIT DEVICE AND RECEIVING APPARATUS - A reconfigurable device includes a first control unit ( | 2010-07-22 |
20100182044 | PROGRAMMING AND CIRCUIT TOPOLOGIES FOR PROGRAMMABLE VIAS - A semiconductor device may be created using multiple metal layers and a layer including programmable vias that may be used to form various patterns of interconnections among segments of metal layers. The programmable vias may be formed of materials whose resistance is changeable between a high-resistance state and a low-resistance state. | 2010-07-22 |
20100182045 | LOW-JITTER HIGH-FREQUENCY CLOCK CHANNEL - According to one general aspect, an apparatus may include a clock channel, a shielding tunnel, and clock repeaters. In various embodiments, the clock channel may be configured to carry the clock signal, and may include a portion of a metal layer of an integrated circuit. In some embodiments, the shielding tunnel may be configured to shield, in at least four directions, the clock channel from other signals, and may include portions of a at least three metal layers of the integrated circuit. The shielding tunnel may be connected to the positive and negative supplies in order to provide the required power for the clock repeaters. | 2010-07-22 |
20100182046 | SEMICONDUCTOR DEVICE - The performance of a whole system is improved by synchronizing communication and computations between stacked computing LSIs. Each of stacked an external communication LSI and a computing LSI has a PLL which multiplies a crystal oscillator clock signal, a clock pulse generator which distributes the clock signal, and flip-flop circuits. The computing LSI has a DLL circuit composed of a clock phase comparator, a delay controller, and a delay chain. In order to synchronize the communication and computations of the external communication LSI and the computing LSI, a synchronization reference clock signal is transmitted from the external communication LSI to the computing LSI via a through-electrode. An internal clock signal of the computing LSI is synchronized with the synchronization reference clock signal from the external communication LSI by the DLL circuit. | 2010-07-22 |
20100182047 | Dynamic Logic Circuit Including Dynamic Standard Cell Library - A dynamic logic circuit includes a first region including a plurality of PMOS transistors and a second region, adjacent to the first region, including a plurality of NMOS transistors connected with at least one of the plurality of PMOS transistors. Channel sizes of the plurality of NMOS transistors are greater than channel sizes of the plurality of PMOS transistors. | 2010-07-22 |
20100182048 | MULTIFUNCTION WORD RECOGNIZER ELEMENT - A circuit includes a load; a first differential pair coupled to the load and responsive to input data; a second differential pair coupled to the load and responsive to the input data; a third differential pair coupled to the first differential pair and the second differential pair and responsive to a first control signal and a second control signal; a bias circuit configured to pull a node coupled to both the first differential pair and the second differential pair to a predetermined state; and a current source coupled to the third differential pair and the bias circuit. | 2010-07-22 |
20100182049 | Digital Phase Detection - A method of detecting a phase difference between a circuit output signal and a reference signal is useful in all digital phase locked loops. A plurality of feedback signals are generated from the circuit output signal by means of a process that includes phase interpolation, wherein the feedback signals are spaced apart from one another by a duration of time less than a period of the circuit output signal. At a moment in time, the number of feedback signals that are asserted (logic 1 or in alternative embodiments, logic 0) is counted. The count is indicative of the phase difference between the circuit output signal and the reference signal. | 2010-07-22 |
20100182050 | GENERATING A TRIGGER FROM A DIFFERENTIAL SIGNAL - A trigger circuit generates a trigger signal when a differential input signal crosses a differential threshold voltage level. A first side of the differential input signal is applied to a first terminal of a first load termination resistor. A second side of the differential signal is applied to a first terminal of a second load termination resistor. A first side of the differential threshold voltage level is applied to a second terminal of the first load termination resistor. A second side of the differential threshold voltage level is applied to a second terminal of the second load termination resistor. A comparator generates the trigger signal when a voltage level at the first terminal of the first resistor exceeds a voltage level at the first terminal of the second resistor. | 2010-07-22 |
20100182051 | INPUT CIRCUIT OF SEMICONDUCTOR INTEGRATED CIRCUIT - An input circuit is disclosed. The input circuit can include a cross voltage generating block that can be configured to perform charge-sharing on a pair of input signals whose phases are opposite to each other and generate a cross voltage, and an input buffer block that can be configured to buffer the pair of input signals at a voltage level corresponding to a voltage level of the cross voltage and generate an output signal. | 2010-07-22 |
20100182052 | CHOPPER TYPE COMPARATOR AND A/D CONVERTER - A chopper type comparator including a first power supply line to which a first power source is supplied, a second power supply line to which a second power source having lower voltage than the first power source is supplied, a reference voltage input part to which a reference voltage is input, a target comparison voltage input part to which a target comparison voltage is input, a comparing part configured to compare the size between the reference voltage input from the reference voltage input part and the target comparison voltage input from the target comparison voltage input part, an output part configured to output a comparison result of the comparing part, and a resistance value setting part configured to set resistance values of the first power supply line and/or the second power supply line. | 2010-07-22 |
20100182053 | SINE/COSINE VALUE GENERATION APPARATUS - An apparatus for generating sine/cosine values of an input phase is disclosed. The apparatus includes a phase projector, an LUT-arithmetic unit, a temp sine/cosine generator and a sine/cosine value generator. The phase projector maps the input phase angle into an octant phase and determines an octant index indicating which octant the input phase angle actually locates and a flag indicating whether or not the input phase happens to be pi/4, 3*pi/4, 5*pi/4 or 7*pi/4. The LUT-arithmetic unit receives the octant phase for provision of its corresponding sine/cosine values. The temp sine/cosine generator receives the corresponding sine/cosine values of the octant phase for provision of temp sine/cosine values based on the flag. The sine/cosine value generator selectively swaps and inverts the temp sine/cosine values as the sine/cosine values of the input phase based on a swap index derived from the octant index. | 2010-07-22 |
20100182054 | Triangle Wave Generating Circuit - A triangle wave generating circuit comprising: a pulse generating circuit configured to generate a plurality of pulse signals with the same period and with phases different from one another; and a plurality of charge/discharge circuits configured to be supplied with the plurality of pulse signals, respectively, the plurality of charge/discharge circuits each including: a current supply circuit configured to supply to a capacitor a first current for charging at a predetermined current value or a second current for discharging at a predetermined current value; and a charge/discharge control circuit configured to switch between the first current and the second current when the pulse signals are supplied thereto and when a voltage across the capacitor reaches a predetermined reference voltage, the first current and the second current supplied from the current supply circuit to the capacitor. | 2010-07-22 |
20100182055 | DEVICE AND METHOD FOR DETECTING AND CORRECTING TIMING ERRORS - A device that includes an error detection circuit that is configured to detect a timing error resulting from a fast voltage drop by comparing a signal from a critical path to a signal from a replica path; and a clock signal provider that is adapted to receive a clock signal and to delay, by a fraction of the clock cycle and in response to a detection of the timing error, the clock signal to provide a delayed clock signal that is provided to a clocked circuit that is coupled to the critical path; and a controller that is configured determine a level of a supply voltage in response to a capability of the error detection circuit and the clock signal provider to manage fast voltage drops; wherein the supply voltage is provided to at least one component of the critical path. | 2010-07-22 |
20100182056 | METHODS FOR CALIBRATING GATED OSCILLATOR AND OSCILLATOR CIRCUIT UTILIZING THE SAME - An oscillator circuit is provided. The oscillator circuit includes a gated oscillator and a calibration circuit. The gated oscillator is arranged to generate an oscillator signal according to a control signal, and receive a gating signal to align an edge of the oscillator signal with an edge of the gating signal. The calibration circuit coupled to the gated oscillator is arranged to receive a first clock signal and a second clock signal, detect an alignment operation of the gated oscillator according to the first clock signal and a second clock signal and generate the control signal according to the detected alignment operation. | 2010-07-22 |
20100182057 | LOCKED LOOPS, BIAS GENERATORS, CHARGE PUMPS AND METHODS FOR GENERATING CONTROL VOLTAGES - Locked loops, bias generators, charge pumps and methods for generating control voltages are disclosed, such as a bias generator that generates bias voltages for use by a clock signal generator, such as a voltage controlled delay line, in a locked loop having a phase detector and a charge pump. The charge pump can either charge or discharge a capacitor as a function of a signal from the phase detector to generate a control voltage. The bias generator can receive the control voltage from the capacitor, and it generates bias voltages corresponding thereto. A portion of the bias generator can have a topography that is substantially the same as at least a portion of the topography of the charge pump. As a result, it can cause the charge pump to charge the capacitor at the same rate that it discharges the capacitor over a relatively wide range of control voltages. The charge pump and the bias generator can also include circuitry for limiting the charging of the capacitor when the control voltage is relatively low. | 2010-07-22 |