10th week of 2011 patent applcation highlights part 15 |
Patent application number | Title | Published |
20110057599 | 3D-TRAJECTORY DISPLAY DEVICE FOR MACHINE TOOL - A trajectory display device capable of correctly quantifying an error of a three-dimensional trajectory of a machine tool, and displaying or outputting the error. The trajectory display device has a command line segment defining part adapted to define a command line segment which connects two temporally adjacent points, in relation to each commanded position; an error calculating part adapted to define a normal line extending from the actual position to each command line segment and calculate an error of the actual position relative to a commanded trajectory, the error being determined as a shorter one between a length of a shortest normal line among the defined normal lines and a length of a line segment extending from the actual position to a commanded position which is the nearest from the actual position. | 2011-03-10 |
20110057600 | STEPPING MOTOR DRIVING APPARATUS - A motor driving apparatus for constant-current control of a current of a coil of a motor, including: a detector detecting the current; and a controller for controlling every first cycle to feed the coil until the current reaches a target value, and to decay the current after the current reaches the target value, wherein the controller selects, every second cycle shorter than the first cycle, between decaying the current in a first mode, and decaying the current in a second mode of which a decay rate is lower than the first mode, and wherein the controller decays the current in the first mode when the current is equal to or higher than a predetermined threshold, and decays the current in the second mode when the current is lower than the predetermined threshold. | 2011-03-10 |
20110057601 | CURRENT INJECTION CIRCUIT FOR DELAYING THE FULL OPERATION OF A POWER FACTOR CONTROL CIRCUIT FOR AC INDUCTION MOTORS - An energy saver delay circuit for an induction motor is disclosed. The energy saver delay circuit includes a power factor control circuit including an integrator, the integrator having a negative summing junction and a current injection circuit electrically connected to the negative summing junction, the current injection circuit configured for injecting an offset current into the negative summing junction to cause about the maximum available voltage from a power source to be supplied to the motor for a predetermined amount of time. Current injection may be triggered by voltage being applied to the motor, wherein the voltage exceeds a predetermined value. Alternatively, current injection may be triggered by current flowing through the motor, responsive to the current exceeding a predetermined threshold current. Alternatively, current injection may be triggered by voltage across the power factor control circuit, responsive to the voltage exceeding a predetermined threshold voltage. | 2011-03-10 |
20110057602 | APPARATUS WITH ELECTRIC ELEMENT POWERED BY A CAPACITIVE CERAMIC-BASED ELECTRICAL ENERGY STORAGE UNIT (EESU) WITH CHARGING INTERFACE AND WITH ON-BOARD ENERGY GENERATION - Within an apparatus ( | 2011-03-10 |
20110057603 | SMART BATTERY CHARGER - A smart battery charger is provided that includes one or more sensors to identify a particular battery, generate a usage profile for the battery over time, and develop a charging strategy that maximizes the useful life of the battery. The useful life of the battery may be maximized by minimizing the charge on the battery over the course of the battery's life. The charge may be minimized by delayed charging and undercharging. | 2011-03-10 |
20110057604 | Method and system for distinguishing between charging ports - Disclosed is a method for use by a device to distinguish between a Charging Downstream Port (“CDP”) and a Dedicated Charging Port (“DCP”). The method comprises detecting that the device is attached to a charging port, and determining whether the charging port is the CDP or the DCP without causing a host coupled to the CDP to be able to detect the device if the charging port is the CDP. | 2011-03-10 |
20110057605 | Power Supply System with Power Saving Function and Power Supply Method Thereof - This invention discloses a power supply system and power supply method with a power saving function for a rechargeable battery. The power supply system includes a power adapter and a portable electronic device body. The power adapter has a control pin. The portable electronic device body includes a connector, a charging unit, and an embedded controller. The embedded controller is used for detecting a capacity state of the rechargeable battery and whether the rechargeable battery is connected with the connector to determine whether the rechargeable battery needs to be charged. When the rechargeable battery does not need to be charged, the embedded controller controls the power adapter to output a first voltage via the control pin. When the rechargeable battery needs to be charged, the embedded controller controls the power adapter to output a second voltage via the control pin. The first voltage is lower than the second voltage. | 2011-03-10 |
20110057606 | SAFETY FEATURE FOR WIRELESS CHARGER - Example embodiments are disclosed for detecting the proximity of a user to a wireless charger and switching off or gradually reducing the power applied to the transmitting coils as long as the user is closer than a threshold distance. In embodiments, a power source circuit in a wireless charging device is configured to produce a source alternating current. A transmitting coil is configured to magnetically couple with a proximately located receiving coil in a user's device, using contact-less electromagnetic induction, to wirelessly provide power to the receiving coil. A power control circuit is coupled between the power source and the transmitting coil, having a control input configured to control power delivered from the power source to the transmitting coil. A proximity detector is positioned near the transmitting coil and coupled to the control input of the power control circuit, to detect proximity of the user to the detector and provide a control signal to the power control circuit to cause the power control circuit to reduce power delivered from the power source to the transmitting coil. In this manner, the exposure of the user is minimized near the active charging surface, to the intense electromagnetic fields required in wireless chargers. | 2011-03-10 |
20110057607 | VARIABLE WIRELESS POWER TRANSMISSION - Exemplary embodiments are directed to variable power wireless power transmission. A method may include conveying wireless power to a device at a first power level during a time period. The method may further include conveying wireless power to one or more other devices at a second, different power level during another time period. | 2011-03-10 |
20110057608 | Surgical Sterilizer with Integrated Battery Charging Device - A device for sterilizing and charging a battery of a surgical instrument, comprising a surgical sterilization device that has a sealable sterilization enclosure and is operable to surgically sterilize a rechargeable battery of a battery-operated surgical instrument when the battery is sealed in the sterilization enclosure. An inductively powered battery-charging platform is also disposed inside the sterilization enclosure and has a charger that conductively charges the battery when the battery is placed at the charger. A power receiver sub-assembly that is electrically coupled to the charger receives electrical power inductively from a power supply that is disposed outside the sterilization enclosure. Thus, the battery is charged without breaching the sealed sterilization enclosure and simultaneously while the battery is being sterilized. | 2011-03-10 |
20110057609 | Method for Battery Surgical Sterilization While Charging - A method for simultaneously surgically sterilizing and charging a battery, which comprises providing an inductively powered battery charger inside a selectively sealable surgical sterilization enclosure of a surgical sterilization device. The surgical sterilization device is operable to surgically sterilize at least one rechargeable battery of a battery-operated surgical instrument placed therewithin. The charger has an inductive power receiver sub-assembly operable to receive power inductively and to supply charging power to the at least one rechargeable battery. The at least one rechargeable battery is electrically charged while being surgically sterilized by supplying power inductively from a power supply positioned outside the surgical sterilization enclosure to the inductive power receiver sub-assembly through the surgical sterilization enclosure. | 2011-03-10 |
20110057610 | WIRELESS POWER STORAGE DEVICE, SEMICONDUCTOR DEVICE INCLUDING THE WIRELESS POWER STORAGE DEVICE, AND METHOD FOR OPERATING THE SAME - To simplify charging of a battery in a power storage device which includes the battery. Further, to provide a wireless power storage device which can transmit and receive information without the task of replacing a battery for drive power supply, which becomes necessary when the battery depletes over time, being performed. An antenna circuit, a battery which is electrically connected to the antenna circuit via a rectifier circuit, and a load portion which is electrically connected to the battery are provided. The battery is charged when an electromagnetic wave received by the antenna circuit is input to the battery via the rectifier circuit, and discharged when electrical power which has been charged is supplied to the load portion. The battery is charged cumulatively, and the battery is discharged in pulses. | 2011-03-10 |
20110057611 | CONTROL APPARATUS AND CONTROL METHOD - To properly resume charging when insertion and removal of a charging cable connector are repeated, a control apparatus includes a power control unit that turns on a charging mode signal when a signal state changes from a state with no change for a certain period of time to a changed state, to activate a charging control unit, and turns off the charging mode signal when detecting a charging completion signal turned on by the charging control unit and outputted from a signal generating unit included in the charging cable which connects an external power source to the vehicle; and the charging control unit turns on the charging completion signal when the charging has been completed, and thereafter turns off the charging completion signal when detecting that the charging mode signal has been turned off by the power control unit. | 2011-03-10 |
20110057612 | Battery charge state transmission device and external charging system - A communication part of a battery charge state transmission device of a charging device acquires charge state information of each external charge vehicle. A station communication part transmits the charge state information to an information management station device. The charge state information is grouped for transmission so that the number of transmissions, the amount of communication traffic and the cost of communication with the management station device, and the operation load of the management station device are reduced. | 2011-03-10 |
20110057613 | Charge status display apparatus and electric power supply control apparatus - When a user performs a short-press manipulation to A button or B button, a vehicle ID associated with either A button or B button having received the short-press manipulation is specified based on a button-vehicle correspondence table. Charge status information of a battery of a vehicle corresponding to the above associated vehicle ID is acquired from the vehicle. Thereby, the display device displays the acquired charge status information or the electric power supply is started to the battery of the vehicle corresponding to the vehicle ID. | 2011-03-10 |
20110057614 | Power Supply Adapter - A portable power supply adapter includes a casing and a mains power supply cable extending from the casing for connection to a mains power supply. A portable computer power supply cable extends from the casing for connection to a portable computer. The casing includes power supply circuitry. The casing has an upwardly facing surface, the surface including a plurality of sockets, each adapted to receive a portable electric device and arranged so that a plurality of portable electric devices may be charged from the mains power supply directly whether or not a portable computer is connected to the portable computer power supply cable for charging. | 2011-03-10 |
20110057615 | UNIVERSAL POWER INTERFACE BUS - A circuit and communication method for charging and/or discharging electrical energy storage devices (e.g., one or more cells of ultracapacitors, one or more cells of batteries, one or more cells of ultracapacitors and batteries). | 2011-03-10 |
20110057616 | Battery Charging Circuit - A battery charging circuit includes a power input unit for supplying power to charging units and a control module. Each charging unit includes a connecting port for connecting one battery, an electromagnetic coil and a switch module connected between the connecting port and the electromagnetic coil. The connecting ports are series-connected with one another. The control module is used for monitoring the voltage of the batteries and then controlling a work state of the switch modules by means of comparing a voltage variance between any two of the batteries with a specific data set in the control module so as to make the battery with a greatest voltage discharged to produce a discharge current for secondarily charging the other batteries by means of the electromagnetic coils when the voltage variance is greater than the specific data. | 2011-03-10 |
20110057617 | HIGH-EFFICIENCY BATTERY EQUALIZATION FOR CHARGING AND DISCHARGING - A non-contiguous group of cells in a battery of cells is selected for charging or discharging the battery. | 2011-03-10 |
20110057618 | DISCHARGE CONTROL DEVICE FOR SECONDARY BATTERY - The object aims to prevent or reduce the deterioration of a secondary battery by charge with an undue pulse. Disclosed is a discharge control device ( | 2011-03-10 |
20110057619 | METHOD OF CONTROLLING LEAD-ACID BATTERY AND POWER SUPPLY SYSTEM - An object of this invention is to simultaneously resolve a decline in capacity due to undercharging of, and degradation due to overcharging of, a lead-acid battery, which occur as a result of random charging. A method of controlling a lead-acid battery of this invention is characterized in that a first region extending until an accumulated discharged capacity D | 2011-03-10 |
20110057620 | CHARGE/DISCHARGE PROTECTION CIRCUIT AND DISCHARGING PROTECTION METHOD - A charge/discharge protection circuit adapted in an electronic apparatus and a discharge protection method are provided. The charge/discharge protection circuit comprises a positive electrode, a ground for discharging, a switch module, a battery module, a negative electrode for charging, a sensing device and a control module. The battery module is electrically connected to the switch module and the ground to form a discharging path. The switch module is electrically connected to the positive electrode. The sensing device is electrically connected to the battery module and the negative electrode to form a charging path. The sensing device passively disconnects the charging path when the charging path is abnormal. The control module actively turns the switch open when the discharging path, the charging path or the battery module is abnormal. | 2011-03-10 |
20110057621 | METHOD OF CHARGING BATTERY PACK AND BATTERY PACK - A method of charging a battery pack that can prevent a battery or an external power source from being damaged due to a trickle charge current in order to improve battery safety, and the battery itself. The method of charging the battery pack includes determining whether a charge current exists, determining whether the charge current and a charge voltage are changed if determined that the charge current exists, determining whether the charge current is changed from a first current level to a second current level less than the first current level, and a present voltage level of the battery is less than a former voltage level if determined that the charge current and the charge voltage are changed, and maintaining the charge current at the second current level for a predetermined maintenance time if determined that the present voltage level of the battery is less than the former voltage level. | 2011-03-10 |
20110057622 | BATTERY PACK - In a battery pack, undesired current consumption is reduced during a shipping period to extend the charge keeping time of the battery pack. The battery pack includes at least one of battery cells, a charge switch, a discharge switch, and a microcomputer for controlling the charge switch and the discharge switch in accordance with a voltage of the battery cells. The battery pack has a shipping mode where the battery pack is shut down during the shipping period. | 2011-03-10 |
20110057623 | SYNERGISTIC SYSTEM BETWEEN BATTERY CHARGER AND BATTERY - A synergistic system made up of a control unit having the function of identifying and monitoring the battery, and transmitting the information regarding the actual state of its energy conditions to a battery charger, made to attain energy saving and well as a greater functionality and efficiency of the identified battery. | 2011-03-10 |
20110057624 | BATTERY CHARGING DEVICE AND METHOD - An improved battery charging method is usable by a battery charger to charge a battery. The charging method may include an optional desulfation process, a first constant current process, a constant voltage process, a second constant current process and a float charge process. The charging method preferably improves various charge and usage characteristics of the battery through a single or continued use of the battery charger utilizing the charging method. | 2011-03-10 |
20110057625 | CHARGE CONTROLLER - A charge controller includes a power supply circuit and a battery charge circuit. The power supply circuit converts the input voltage into an output voltage for supply to the load at the output terminal. The power supply circuit includes an output current detection circuit and an output current limiting circuit. The output current detection circuit detects an output current supplied through the power supply circuit. The output current limiting circuit limits the output current below a maximum output current limit. The battery charge circuit derives power from the power supply circuit to charge a secondary battery. The battery charge circuit includes a charge current detection circuit and a charge current setting circuit. The charge current detection circuit detects a charge current supplied to the secondary battery. The charge current setting circuit regulates the charge current to a set current value. | 2011-03-10 |
20110057626 | POWER SUPPLY AND CHARGING CIRCUIT FOR HIGH ENERGY CAPACITORS - A switched mode power supply is disclosed for charging a load such as a high energy capacitor. The power supply is adapted to operate in a substantially constant power mode and includes a flyback converter having a primary circuit including a controller and a secondary circuit for providing an output to the load. The power supply is arranged such that it utilizes substantially no current limiting in the secondary circuit. The load includes a plurality of high energy capacitors and a plurality of terminals. The terminals are connected to the capacitors such that the capacitors may be arranged in a first configuration for charging the load and may be arranged in a second configuration for discharging the load. | 2011-03-10 |
20110057627 | Discharge circuit for high-voltage networks - A device for discharging an electric network or a capacitive component includes a switchable resistor. The discharge circuit has a particularly low power loss and operates reliably when the switchable resistor includes a PTC resistor and a switch whose control terminal is powered by the network voltage. | 2011-03-10 |
20110057628 | POWER STORAGE DEVICE - In the field of portable electronic devices in the future, portable electronic devices will be desired, which are smaller and more lightweight and can be used for a long time period by one-time charging, as apparent from provision of one-segment partial reception service “1-seg” of terrestrial digital broadcasting that covers the mobile objects such as a cellular phone. Therefore, the need for a power storage device is increased, which is small and lightweight and capable of being charged without receiving power from commercial power. The power storage device includes an antenna for receiving an electromagnetic wave, a capacitor for storing power, and a circuit for controlling store and supply of the power. When the antenna, the capacitor, and the control circuit are integrally formed and thinned, a structural body formed of ceramics or the like is partially used. A circuit for storing power of an electromagnetic wave received at the antenna in a capacitor and a control circuit for arbitrarily discharging the stored power are provided, whereby lifetime of the power storage device can be extended. | 2011-03-10 |
20110057629 | HARNESSING POWER THROUGH ELECTROMAGNETIC INDUCTION UTILIZING PRINTED COILS - Systems for harnessing power through electromagnetic induction utilizing printed coils are provided. A system can include one or more moveable magnets adjacent to printed coils on a circuit. For example, a system can include one or more magnets that are operative to move alongside a circuit board that includes printed coils. The one or more magnets may move, for example, when a user shakes the system or when the user walks or runs while holding the device. The movement of the one or more magnets may create an electromotive force (e.g., a voltage) across the printed coils, and this force may be used to generate electric power. | 2011-03-10 |
20110057630 | Vehicular Alternator, and Rectifier of Vehicular Alternator - A rectifier of vehicular alternator that rectifies AC electrical power into DC electrical power comprises: a rectifier that includes a plurality of MOS FETs that are used as rectifier elements; a control circuit that applies drive signals to the gates of the plurality of MOS FETs via gate drive signal lines, and that thereby commands continuity and discontinuity of the plurality of MOS FETs; and a plurality of load circuits, one connected between the gate and the source of each of the MOS FETs, for bleeding down electric charge accumulated by gate capacitance of the MOS FET if the gate drive signal line is interrupted. | 2011-03-10 |
20110057631 | STATIC EXCITER OF AN ELECTRIC GENERATOR, METHOD FOR RETROFITTING, AND METHOD FOR OPERATING - The static exciter ( | 2011-03-10 |
20110057632 | Circuit and method for constant on-time control for an interleaved multiphase voltage regulator - A circuit and method are proposed for constant on-time control for an interleaved multiphase voltage regulator, which monitor the channel currents of all the channels of the interleaved multiphase voltage regulator to select one from the channels to drive and so achieve interleaved phase operation. | 2011-03-10 |
20110057633 | Load driving circuit - Provided is a circuit capable of further reducing noise that increases along with an amplitude of a flow-through current flowing through a charge pump circuit. A load driving circuit includes: an output MOS transistor | 2011-03-10 |
20110057634 | SWITCHING POWER SUPPLY DEVICE AND SEMICONDUCTOR DEVICE USED FOR THE SAME - In a switching power supply device in which an operation reference voltage of a control circuit has an electric potential identical to that of a connection point between a switching element and a coil that is an energy conversion circuit, an output voltage detection circuit includes: a rectification circuit which converts an output voltage into a voltage signal rectified relative to the operation reference voltage terminal of the control circuit; and a voltage-to-current converter which is connected between an input terminal of a current detection circuit and the rectification circuit, and which converts the rectified voltage signal into a current signal. The current detection circuit is a sampling type which detects a current by sampling the current signal applied to the input terminal of the current detection circuit. | 2011-03-10 |
20110057635 | Switching regulator - A switching regulator includes a switch circuit that delivers a power from a power supply side to an output side, and a smoothing circuit that smoothes the voltage on the output side. The switching regulator also includes an on/off control circuit that controls the on/off of the switch circuit, as the duty ratio is changed depending on the value of the output voltage, so that the output voltage will be equal to a preset voltage. The switching regulator further includes an on-resistance control circuit that exercises control to increase the on-resistance of the switch circuit when the output voltage is lower by not less than a predetermined voltage than the preset voltage. | 2011-03-10 |
20110057636 | Method for Reducing Energy Loss in DC-DC Converter and Related Control Device and DC-DC Converter - A method for reducing energy loss in a DC-DC converter comprises detecting an output current of the DC-DC converter to generate a sensing signal, adjusting a frequency of an oscillation signal, comparing a reference signal and a feedback signal of the DC-DC converter to generate a comparison result, comparing the comparison result and the oscillation signal to generate a PWM signal, and determining whether an input end of the DC-DC converter is electrically connected to an output end of the DC-DC converter according to the PWM signal. | 2011-03-10 |
20110057637 | BOUNDARY CONDUCTION MODE SWITCHING REGULATOR AND DRIVER CIRCUIT AND CONTROL METHOD THEREOF - The present invention discloses a boundary conduction mode (BCM) switching regulator, and a driver circuit and a control method of the switching regulator, for controlling a power stage to convert an input voltage to an output voltage or output current. The BCM switching regulator detects whether it is operating in continuous conduction mode (CCM) or discontinuous conduction mode (DCM), and adjusts the On-time, Off-time, or frequency of the power stage accordingly, so that the switching regulator operates in or near BCM. | 2011-03-10 |
20110057638 | PULSE WIDTH MODULATION REGULATOR IC AND CIRCUIT THEREOF - A pulse width modulation regulator IC is provided for controlling a duty cycle of at least one switch to convert one input voltage signal into an output voltage. An input pin is provided for receiving an input signal different from the input voltage signal. The input signal has a lasting time substantially the same as the time that input voltage signal situated at a high level, but the waveforms of the two signals are different. The input signal is converted into a square wave signal by a conversion unit, and a PWM signal is generated by a PWM controller according to the square wave signal to control the duty cycle of the switch. Therefore, the input pin can be saved by adjusting an internal or external circuit of the IC for the usage of the different kinds of input signals without increasing the number of input pins of the IC. | 2011-03-10 |
20110057639 | PASSIVE LOSSLESS SNUBBER CELL FOR A POWER CONVERTER - A passive lossless snubber cell for a switched-mode power converter comprises an energy absorbing circuit and an energy resetting circuit coupled to said energy absorbing circuit. The energy absorbing circuit is arranged to release energy stored in a snubber capacitor of the energy absorbing circuit to a storage capacitor of the energy resetting circuit through a resonant pathway of the snubber cell in response to a first switching action of a power converter transistor switch. The energy resetting circuit is arranged to release the energy stored therein to a part of a circuit of the power converter in response to a second switching action of the power converter transistor switch, the second switching action being a successive action to the first switching action. The passive lossless snubber cell has several advantages over existing snubbering techniques. First, it provides zero-current-switching (ZCS) and zero-voltage-switching (ZVS) conditions for turning on and off, respectively, the switch over a wide load range. Second, it does not introduce extra voltage stress on the switch. Third, by taking the ripple current through the switch into account, the peak switch current during the snubber resonance period is designed to be less than the designed switch current without the snubber. Hence, the proposed snubber does not introduce extra current stress on the switch. | 2011-03-10 |
20110057640 | Storageless step-down switching DC-DC converter - A storageless DC-DC converter is provided having simultaneously ultra high efficiency of 99.5% in an ultra compact size leading to 1 kW/inch | 2011-03-10 |
20110057641 | METHOD AND APPARATUS FOR CURRENT MEASUREMENT IN PHASE LINES - In a method for current measurement in a multiphase current network, a conductive connection is produced between a plurality of the phases of the multiphase current network such that the plurality of the phases is short-circuited with one another. At a detection time, a current value flowing between the conductive connection and a first voltage potential is detected. | 2011-03-10 |
20110057642 | TEST APPARATUS FOR DIGITAL MODULATED SIGNAL - An amplitude expected value data generator generates amplitude expected value data that represents, in increments of sampling points, which of multiple amplitude segments the amplitude of a modulated signal waveform that corresponds to the expected value of data to be output from a device under test belongs to. A demodulator performs sampling of the signal waveform to be tested received from the device under test, and generates judgment data that represents, in increments of sampling points, which of the multiple amplitude segments the amplitude of the signal waveform belongs to. A judgment unit makes a comparison between the amplitude expected value data and the judgment data in increments of sampling points. | 2011-03-10 |
20110057643 | OSCILLOGRAPH AND SIGNAL INTEGRITY TEST METHOD USING THE OSCILLOGRAPH - A oscillograph and a signal integrity test method are provided. The oscillograph measures a serial data bus to obtain captured signals transmitted by each communication channel of the oscillograph. By identifying a time sequence for the captured signals transmitted by each communication channel, a test signal is determined. The oscillograph measures a clock frequency of the test signal, sampling a part of the test signal, and testing the part according to pre-set test items. If a predetermined number of samples of the test signal is tested, the oscillograph constitutes a completed signal integrity test of the serial data bus and a test report is generated. | 2011-03-10 |
20110057644 | ELECTRONIC MOTOR VEHICLE CONTROL SYSTEM WITH CURRENT MEASURING CIRCUIT - The invention relates to an electronic motor vehicle control system having at least one valve actuating circuit which controls a load current by means of pulse width modulation. The actuating circuit has at least one electronic current measuring circuit which has at least one measurement path with at least one analog/digital converter. The analog/digital converts an analog measurement signal of the load current into a digital measurement signal of the load current and is actuated or designed in such a way as to carry out a plurality of current measurements per PWM period. The at least one measurement path of the current measurement circuit has a signal conservation circuit which provides the analog measurement signal of the load current substantially unchanged, and independent of the actual load current, for at least a defined hold time (t | 2011-03-10 |
20110057645 | Method and Pulse-Width-Modulated Current Control Circuit For Driving Inductive Loads in Motor Vehicles - Method in which the current is measured inside an integrated PWM control circuit using at least one A/D converter which is likewise integrated in the circuit is described. The PWM controller is provided for the purpose of driving inductive loads and is arranged, in particular, in an electronic circuit of an electronic controller for a motor vehicle braking system. Before determining the actual current of the PWM controller, which is determined using the at least one A/D converter, the current is smoothed using a low-pass filter. A circuit arrangement for carrying out the above method and its use in electronic motor vehicle control systems is also described herein. | 2011-03-10 |
20110057646 | Apparatus and method for sensing position of non-orbital movable truck - There is provided a position sensing apparatus when a non-orbital movable truck moves over a spherical surface, a cylindrical surface, or a flat surface, which is capable of position sensing even when, e.g., the non-orbital movable truck circumferentially moves over the spherical surface or the cylindrical surface to be hidden from the position sensing apparatus. A second linear encoder is disposed which includes a wire in a main body thereof to output an amount by which the wire is withdrawn as an encoder value. The tip of the wire of the second linear encoder is fixed to a position at the non-orbital movable truck to which the tip of the wire of a linear encoder is fixed. From an amount by which the wire of the linear encoder is withdrawn and the amount by which the wire of the second linear encoder is withdrawn, the position of the non-orbital movable truck is calculated in a calculation device. | 2011-03-10 |
20110057647 | Apparatus Detecting Relative Body Movement - The invention relates to a measuring device for detecting a body moving in relation to an, in particular, tubular container. Said device comprises at least one magnet unit which generates a magnetic field, measures this magnetic field and which is assigned to the container and/or to the magnetic body. The device also comprises at least one evaluation device connected to the magnet units and provided for receiving measurement signals of the magnet units. The aim of the invention is to improve a measuring device of this type in order to be able to easily determine, in addition to the position of the body in relation to the container in a longitudinal direction, the position of the body in relation to the container in the transverse direction with a relatively high level of accuracy. To this end, the magnet units comprise a maximum magnetic flux that is essentially perpendicular to the direction of the relative motion of the body and container. | 2011-03-10 |
20110057648 | MAGNETIC RESOLVER - A magnetic resolver includes a stator core made of magnetic material, coils, and a rotor. The stator core has a base plate and protrusions formed integrally with the base plate so as to protrude from a surface of the base plate in the thickness direction. The coils are provided around the respective protrusions. The rotor is disposed so as to face the surface of the base plate with the coils interposed therebetween. The overlapping area between the rotor and each of the protrusions changes with a change in a rotation angle of the rotor relative to the stator core. The stator core has through-holes that pass through the base plate and the respective protrusions in the thickness direction. | 2011-03-10 |
20110057649 | METHOD AND ITS APPARATUS FOR DETECTING DEFECTS - In the present invention, to make corrective matching thereof, it is designed as follows; position effect of defects coordinates, which are output from an inspection apparatus, is allowed, coordinates of inspected data are mutually corrected, and a state of coincidence or non-coincidence among a plurality sets of inspected data is output or displayed. Inspection data is designed to include kinds, kinds difference and dimension of defects. A state of coincidence or non-coincidence between inspected data is designed to be output or displayed appropriately, by kinds or dimensions, or by a grouping thereof, of a defects object. The same sample is inspected by every time of passing a production step, and a state of data increase or decrease, or coincidence or non-coincidence between the inspected data is designed to be output or displayed. | 2011-03-10 |
20110057650 | Current sensor, current measuring module and method for measuring current - A current sensor for measuring a current in a conductor includes two magnetic field sensors located adjacent to the conductor. The magnetic field sensors are at least two-dimensional magnetic field sensors having two measuring directions, thereby facilitating compensation for an inhomogeneous interference field. | 2011-03-10 |
20110057651 | OXYGEN CONCENTRATION MEASUREMENT WITH GMR - In an embodiment, an oxygen sensor comprises a giant magnetoresistance device ( | 2011-03-10 |
20110057652 | SCALABLE MULTICHANNEL TRANSMITTER SYSTEM FOR AN MR TRANSMISSION ARRAY - A flexible design of a transmission system for a magnetic resonance tomography apparatus has multiple radio-frequency control units, connectors that are connected to the radio-frequency control units, a unit to which at least one first connector is connected, which connector is also connected to a first radio-frequency control unit of the radio-frequency control units. The unit is connected via a connector to only some—in particular only one—of the radio-frequency control units. One of these few radio-frequency control units is connected to an additional radio-frequency control unit via an additional connector. | 2011-03-10 |
20110057653 | NEW TECHNIQUE FOR PERFORMING DIELECTRIC PROPERTY MEASUREMENTS AT MICROWAVE FREQUENCIES - A method, system, apparatus, and computer readable medium has been provided with the ability to obtain a complex permittivity ∈ or a complex permeability μ of a sample in a cavity. One or more complex-valued resonance frequencies (f | 2011-03-10 |
20110057654 | Systems And Methods For Design And Construction Of NMR Transceiver Circuits - The Rabi frequency of oscillation of the nuclear magnetization vector of a sample in an NMR system may be controlled by modifying only the duty cycle of RF pulses delivered to the sample, without modifying the amplitude of the RF pulses, until the energy delivered at the Larmor frequency is adjusted to a desired amount. An impedance matching network between an NMR transceiver and an NMR coil may perform both power matching and noise matching simultaneously. During a transmission mode, the impedance matching network is connected to a transmitter portion of the transceiver, and the impedance of the coil is matched to the driver resistance. During a receiver mode, the impedance matching network is disconnected from the transmitter portion so that the impedance matching network remains connected only to the receiver portion, and signal-to-noise ratio in received NMR signals is maximized. | 2011-03-10 |
20110057655 | SOFTWARE FOR ADJUSTING MAGNETIC HOMOGENEITY, METHOD FOR ADJUSTING MAGNETIC HOMOGENEITY, MAGNET DEVICE, AND MAGNETIC RESONANCE IMAGING APPARATUS - On the basis of the magnetic field intensity distribution of a magnetic field space ( | 2011-03-10 |
20110057656 | Drilling System for Making LWD Measurements Ahead of the Bit - A drilling system includes integral drill bit body and logging while drilling tool body portions. There are no threads between the drill bit and the LWD tool. In one exemplary embodiment the drilling system includes a unitary tool body, i.e., a tool body formed from a single work piece. In another exemplary embodiment the drill bit body portion is welded to the LWD tool body portion. At least one LWD sensor is deployed in the drill bit. The drilling system enables multiple LWD sensors to be deployed in and near the bit (e.g., on both the side and bottom faces of the bit). The absence a threaded connection facilitates the placement of electrical connectors, LWD sensors, and electronic control circuitry at the bit. | 2011-03-10 |
20110057657 | PUSH-BUTTON TESTING SYSTEM - A push-button switch test device having a flexible tab fixedly attached to a pushing member. The flexible tab is made of a flexible material and includes a deformation sensitive resistor mounted on a surface. The push-button switch test device may be used to test a push-button by imposing a known force on the flexible tab while receiving a signal level across the deformation sensitive resistor. As the known force pushes on the flexible tab, the signal level indicates when the push-button has engaged. The force may then be reversed to permit sensing of the disengagement of the switch. Configurations of a plurality of push-button switch test devices may be arranged in a test frame that mirrors a configuration of push-button switches. | 2011-03-10 |
20110057658 | BATTERY SYSTEM WITH A CURRENT DETECTION CIRCUIT - The battery system has a current detection circuit | 2011-03-10 |
20110057659 | VOLTAGE MEASURING DEVICE - A voltage measuring device includes a current detecting section that detects a charging or discharging current of a multiple-set battery; block voltage detecting sections that detect voltages of a plurality blocks respectively; and a control section that outputs a request to the block voltage detecting sections via a first communication line to acquire voltage data. Each of the block voltage detecting sections includes an active power source and a lower-power source. The control section transmits a low-power consumption mode setting signal to the block voltage detecting sections respectively when the charging or discharging current has not been detected by the current detecting section for a first time period. Each of the block voltage detecting sections switches an operating mode from a normal mode to a low-power consumption mode when the low-power consumption mode setting signal is received. | 2011-03-10 |
20110057660 | CURRENT LEAKAGE DETECTOR OF CONSTRUCTION MACHINE - In a construction machine in which a motor is driven by battery power through an inverter in accordance with operation of an operating lever, current-leakage detection signal output means applies a voltage signal, which is adapted for detection of a current leakage, between DC buses connected to the battery and a body of the machine. The applied signal voltage is detected by signal detection means, and the occurrence or non-occurrence of a current leakage is determined based on a crest value of the detected voltage signal. When the operating lever is operated during the determination, the determination is suspended to prevent erroneous detection. | 2011-03-10 |
20110057661 | APPARATUS AND METHOD FOR IDENTIFYING A FAULTED PHASE IN A SHUNT CAPACITOR BANK - An apparatus and method is provided for identifying a faulted phase in at least one shunt capacitor bank. The apparatus generally includes a sampling circuit for sampling current or voltage signals associated with the shunt capacitor bank. A microcontroller is coupled to the sampling circuit and programmed to measure a compensated neutral point phase angle from the sampled signal, and compare the compensated neutral point phase angle with a fixed reference phase angle to identify the faulted phase of the shunt capacitor bank. The method generally includes the steps of sampling a current or voltage signal associated with the shunt capacitor bank, determining a compensated neutral point phase angle from the sampled signal, and comparing the compensated neutral point phase angle with a fixed reference phase angle to identify the faulted phase of the shunt capacitor bank. The invention also relates to an apparatus and method for identifying the location of the fault (e.g., the section of the bank) in a double ungrounded shunt capacitor bank or double WYE shunt capacitor bank. | 2011-03-10 |
20110057662 | Arc Detector And Associated Method For Detecting Undesired Arcs - An arc detector for detecting undesired arcs. The arc detector includes: an antenna for receiving an electromagnetic signal representing an arc; and a discriminator for analysing a signal from the antenna, the discriminator including a spectrum analyser arranged to detect whether the signal represents a normal arc or an undesired arc. The discriminator is arranged to detect whether the signal represents a normal arc or an undesired arc by comparing signal levels at frequencies of a spectrum of the signal corresponding to at least one partial reference spectrum, and determining the arc to be a normal arc if a deviation from the reference spectrum is less than a threshold deviation. A corresponding method is also presented. | 2011-03-10 |
20110057663 | TEST APPARATUS SYNCHRONOUS MODULE AND SYNCHRONOUS METHOD - Provided is a test apparatus that tests a device under test, comprising a plurality of test modules that test the device under test; a synchronization module that is connected to each of the plurality of test modules, and that synchronizes the plurality of test modules; and a test control section that is connected to the plurality of test modules and the synchronization module, and that controls the test modules and the synchronization module. The synchronization module includes a receiving section that receives, from each of the plurality of test modules, a state signal indicating a state of the test module; an aggregating section that generates an aggregate state signal by calculating an aggregate of the state signals received by the receiving section; and a transmitting section that transmits, to the plurality of test modules, a control signal ordering an operation corresponding to the aggregate state signal. | 2011-03-10 |
20110057664 | DEVICE-DEPENDENT REPLACEABLE UNIT AND MANUFACTURING METHOD - There is provided a device-dependent replaceable unit for use with a test apparatus, which can reduce signal deterioration. The device-dependent replaceable unit is selected depending on a type of a device under test, and to be mounted on the test apparatus to form a signal path between the device under test and the test apparatus. The device-dependent replaceable unit includes a socket board that has a front surface and a back surface, where the device under test is to be moved close to or away from the front surface of the socket board, and a plurality of spring pins that are positioned in a same manner as a plurality of connection terminals of the device under test, where the spring pins are supported by the socket board in such a manner that upper ends of the spring pins protrude from the front surface of the socket board and come into contact with the connection terminals of the device under test. | 2011-03-10 |
20110057665 | TEST APPARATUS FOR DIGITAL MODULATED SIGNAL - A pattern generator generates test data to be transmitted. An encoding circuit generates amplitude data which represent a modulated signal waveform that corresponds to the test data. The amplitude data are generated in a parallel manner in the form of multiple amplitude data in increments of multiple sampling points set within a predetermined period for cycles of the predetermined period. A data rate setting unit receives the multiple amplitude data in increments of sampling points, latches the amplitude data at corresponding sampling timings, and sequentially outputs the amplitude data thus latched. A multi-level driver receives sequentially input amplitude data, and generates a test signal having a level that corresponds to the value of the amplitude data thus received. | 2011-03-10 |
20110057666 | METHOD AND APPARATUS FOR IDENTIFYING BROKEN PINS IN A TEST SOCKET - A method includes scanning a test socket after removal of a device under test to generate scan data. The scan data is compared to reference data. A presence of at least a portion of a pin in the test socket is identified based on the comparison. A test system includes a test socket, a scanner, and a control unit. The test socket is operable to receive devices under test. The scanner is operable to scan a test socket after removal of a device under test to generate scan data. The control unit is operable to compare the scan data to reference data and identify a presence of at least a portion of a pin in the test socket based on the comparison. | 2011-03-10 |
20110057667 | METHOD AND APPARATUS FOR DETECTING DETERIORATION OF LIGHTNING ARRESTER - An apparatus for detecting deterioration of a lightning arrester includes: a high-frequency power supply; a pair of detecting terminals | 2011-03-10 |
20110057668 | INDUCTIVE PROXIMITY SENSOR - The present invention relates to an inductive proximity sensor that includes an oscillator having first and second inductor-capacitor circuits arranged such that an inductance of one of the inductor-capacitor circuits has substantially greater sensitivity to an external target than an inductance of the other inductor-capacitor circuit. The sensor also includes an alternating current drive to each of the inductor-capacitor circuits that is in-phase and depends on differences in voltage across the inductor-capacitor circuits. The sensor may be coupled to a calibration device that applies power and triggers a calibration routine within the sensor. In response to the trigger signal, a calibration processor within the sensor executes the calibration routine and adjusts the inductor-capacitor circuits and provides an indication of successful calibration. | 2011-03-10 |
20110057669 | Capacitive Sensor - A capacitive sensor for a digital display device comprises: one or more proximity wires; a grounding wire; wherein the DDD having a system area and a frame area; wherein the frame area is positioned around the system area; wherein the grounding wire is disposed on the DDD and forms a first area; wherein a first proximity wire is disposed outside of the first area; and wherein the first proximity wire and the grounding wire defines a first detection area of the capacity sensor. | 2011-03-10 |
20110057670 | SENSING AND DEFINING AN INPUT OBJECT - A mutual capacitance sensor device comprises a plurality of receiver sensor electrodes, a plurality of transmitter sensor electrodes, and a processing system coupled with the plurality of receiver sensor electrodes and coupled with the plurality of transmitter sensor electrodes. The processing system is configured for acquiring a capacitive image from the pluralities of sensor electrodes. The processing system is also configured for correlating a part of the capacitive image with at least one input object template image to determine both a presence and a type of an input object interacting with the mutual capacitance sensor device. | 2011-03-10 |
20110057671 | METHODS, SYSTEM AND DEVICE TO IDENTIFY A TYPE OF TEST STRIP - Various methods, devices and systems are described in which certain analyte test strip are identified for use in an analyte test meter or identified as unsuitable for use in the meter. | 2011-03-10 |
20110057672 | COAXIAL SENSOR FOR TIME-DOMAIN REFLECTOMETRY - A sensor is provided for testing a porous medium using time-domain reflectometry. The sensor includes an inner conductor, an outer conductor and a ceramic material interposed there-between. The inner conductor runs along a longitudinal axis of the sensor. The outer conductor has a hollow axial interior and is oriented around the inner conductor. The ceramic material is solid, porous, exhibits a known liquid release curve and fills an axial gap between the inner and outer conductors. A dielectric substance can be applied to an exterior surface of the inner conductor to enable the testing of a porous medium which is highly dissipative. The inner conductor can be permeable and have a hollow axial interior. A hydrophobic material can also be interposed between the inner and outer conductors. | 2011-03-10 |
20110057673 | TEST APPARATUS AND TEST METHOD - There is provided a test apparatus for testing a device under test, including: a plurality of test sections; and a first synchronization section and a second synchronization section that, for each of a plurality of domains that respectively include one or more of the plurality of test sections, synchronize the one or more test sections included in the domain, where each of the first synchronization section and the second synchronization section includes: a local collection section that collects, for each domain, synchronization requests from the test sections connected to the corresponding synchronization section; an exchange section that exchanges, for a discrete domain of that includes test sections connected to the first synchronization section and test sections connected to the second synchronization section, synchronization requests collected in the corresponding synchronization section with synchronization requests collected in the other synchronization section; a global collection section that collects, the synchronization requests collected in the corresponding synchronization section and the synchronization requests collected in the other synchronization section; and a distribution section that distributes the collected synchronization requests to each of the test sections connected to the corresponding synchronization section. | 2011-03-10 |
20110057674 | TEST HEAD MANIPULATOR - A test head manipulator system comprising a base structure, a main arm unit configured to support a test head and to be moved relative to the base structure, an actuator having a range of motion of L, and an enhancement mechanism positioned between the main arm unit and the actuator and configured such that movement of the actuator a first distance causes the main arm unit to move a second distance that is greater than the first distance. Additionally, a fluid control system for controlling a test head manipulator system. The pneumatic control system includes a regulator configured to controllably provide an output pressure to the main fluid actuator, and a second fluidly controlled actuator configured to adjust the regulator to modify the output pressure provided to the main fluid actuator. The second actuator is configured to be positively positioned in at least four operating modes with each operating mode causing the regulator to provide a different output pressure to the main fluid actuator. | 2011-03-10 |
20110057675 | PERPENDICULAR FINE-CONTACT PROBE HAVING A VARIABLE-STIFFNESS STRUCTURE - An exemplary embodiment of the present invention provides a vertical micro contact probe that includes a column formed by longitudinally continuously stacking a plurality of basic units and a front end formed at the front end of the column and contacting an electrode pad of a semiconductor chip. The basic unit includes a probe body alternately bending to the left and right and protrusions protruding from the probe body at the left and right sides from the center of the width direction, and contacting the adjacent probe body to support the probe body under compression. | 2011-03-10 |
20110057676 | UNIVERSAL SPRING CONTACT PIN AND IC TEST SOCKET THEREFOR - A universal spring contact pin for use in an IC test Socket includes a depressible probe member at one end and a fixed probe member at the other end. The fixed probe member preferably has a projection length chosen to allow z-axis loading of different surface mount package types within the same test socket. It also can have a relatively large tip angle which preferably terminates at a relatively sharp termination point. Preferably, the tip angle is about 90 degrees and the radius of the termination point of the tip is about 0.001 inches (0.0254 millimeters) or less. The large tip angle on the contact pin's fixed probe member provides the pin with a robust probe end that operates reliably over a large number of test cycles, is better adapted for effective use with different surface mount chip packages, and better supports a sharp tip radius. A sharp tip radius will, in turn, provide for better penetration of oxide coatings and/or foreign material on the leads of the chip packages. A test socket can be provided for the universal spring contact pins, which can include an interface wall configuration for retaining the contact pins in a z-axis alignment and for improving the signal performance of the socket at high frequencies. | 2011-03-10 |
20110057677 | DIE STACKING, TESTING AND PACKAGING FOR YIELD - A method to test and package dies so as to increase overall yield is provided. The method includes performing a wafer test on a first die and mounting the first die on a package substrate to form a partial package, if the wafer test of the first die is successful. The method further includes performing a system test on the partial package including the first die and stacking a second die on the first die if the system test on the partial package and the first die is successful. | 2011-03-10 |
20110057678 | Ceramic Substrate, Functional Ceramic Substrate, Probe Card and Method for Manufacturing Ceramic Substrate - A ceramic substrate has a base material composed of an amorphous phase and particles composed of a crystalline phase and dispersed in the base material. Some of the particles are permitted to protrude from at least one surface of the base material. | 2011-03-10 |
20110057679 | LIQUID CRYSTAL DISPLAY DEVICE WITH DATA SWITCHING THIN FILM TRANSISTOR FOR INSPECTION AND INSPECTION METHOD THEREOF - A liquid crystal display device includes a pixel matrix where a plurality of gate lines and a plurality of data lines cross each other and a plurality of liquid crystal cells are arranged, first data switching thin film transistors respectively connected to data lines of a first group of the data lines, and second data switching thin film transistors respectively connected to data lines of a second group of the data lines. | 2011-03-10 |
20110057680 | ACTIVE DEVICE ARRAY AND TESTING METHOD - An active device array includes a plurality of scan lines, a plurality of data lines, a plurality of pixel structures, a first testing circuit, a second testing circuit, a third testing circuit and a fourth testing circuit. Each of the pixel structures is connected to one of the scan lines and one of the data lines. The first testing circuit is electrically connected to the odd scan lines; the second testing circuit is electrically connected to the (4n+1)th scan lines wherein n is zero or a positive integer; the third testing circuit is electrically connected to the even scan lines; the fourth testing circuit is electrically connected to the (4n+2)th scan lines. | 2011-03-10 |
20110057681 | SEMICONDUCTOR TESTING CIRCUIT, SEMICONDUCTOR TESTING JIG, SEMICONDUCTOR TESTING APPARATUS, AND SEMICONDUCTOR TESTING METHOD - A signal processing section included in a semiconductor testing circuit supplies a test signal inputted from a tester via a signal line to a plurality of DUTs and generates a test result by synthesizing response signals transmitted from the plurality of DUTs on the basis of the test signal. A test result output section included in the semiconductor testing circuit makes a voltage level of the test result differ from a voltage level of the test signal inputted and outputs the test result to the tester via the signal line. | 2011-03-10 |
20110057682 | Electronic self-healing methods for radio-frequency receivers - Systems and methods for providing self-healing integrated circuits. The method is characterized in that the behavior of a circuit or a device in response to an input signal is observed. One or more operational parameters or characteristics of the circuit or the device are derived. A corrective action to bring the operational parameters or characteristics of the circuit or device within a desired range is deduced, if needed. The corrective action can be the application of a correction signal or a modification of one or more parameters or characteristics of an element in the circuit. The calculated corrective action, if needed, is applied to bring the operational parameters or characteristics of the circuit or device within the desired range. Optionally, the operational parameters or characteristics of the circuit or the device after the correction is effectuated can be checked. | 2011-03-10 |
20110057683 | DEFECT-AND-FAILURE-TOLERANT DEMULTIPLEXER USING SERIES REPLICATION AND ERROR-CONTROL ENCODING - One embodiment of the present invention is a method for constructing defect-and-failure-tolerant demultiplexers. This method is applicable to nanoscale, microscale, or larger-scale demultiplexer circuits. Demultiplexer circuits can be viewed as a set of AND gates, each including a reversibly switchable interconnection between a number of address lines, or address-line-derived signal lines, and an output signal line. Each reversibly switchable interconnection includes one or more reversibly switchable elements. In certain demultiplexer embodiments, NMOS and/or PMOS transistors are employed as reversibly switchable elements. In the method that represents one embodiment of the present invention, two or more serially connected transistors are employed in each reversibly switchable interconnection, so that short defects in up to one less than the number of serially interconnected transistors does not lead to failure of the reversibly switchable interconnection. In addition, error-control-encoding techniques are used to introduce additional address-line-derived signal lines and additional switchable interconnections so that the demultiplexer may function even when a number of individual, switchable interconnections are open-defective. | 2011-03-10 |
20110057684 | TRANSCEIVER SYSTEM, SEMICONDUCTOR DEVICE THEREOF, AND DATA TRANSCEIVING METHOD OF THE SAME - A transceiver system includes a first semiconductor device having a first input/output (I/O) pad connected with an I/O channel and a second semiconductor device having a second I/O pad connected with the I/O channel. The first semiconductor device is configured to terminate the first I/O pad with a first voltage when data is received, and maintain the first I/O pad and the I/O channel at the first voltage when data is transmitted. The second semiconductor device is configured to terminate the second I/O pad with a second voltage higher than the first voltage when data is received, and maintain the second I/O pad and the I/O channel at the second voltage when data is transmitted. | 2011-03-10 |
20110057685 | SEMICONDUCTOR DEVICE, METHOD OF FABRICATING SEMICONDUCTOR DEVICE, AND SEMICONDUCTOR DEVICE LAYOUT METHOD - There is provided a semiconductor device including: logic circuit elements disposed within a specific region in respective functional blocks of a logic circuit having a plurality of the functional blocks provided one for each functional unit; and a decoupling capacitor disposed in a region within each of the functional blocks at which no logic circuit element is disposed. | 2011-03-10 |
20110057686 | HYSTERESIS COMPARATOR CIRCUIT AND SEMICONDUCTOR DEVICE INCORPORATING SAME - A hysteresis comparator circuit that compares first and second input signals to output a hysteresis output signal includes a constant current source, a first comparator, a second comparator, and an output circuit. The constant current source includes a load resistor to generate a given constant current. The first comparator is controlled by the constant current supplied from the constant current source to compare the first and second input signals to output a first comparison result. The second comparator is controlled by the constant current supplied from the constant current source to compare the first and second input signals to output a second comparison result. The output circuit has a pair of inputs thereof connected to the first and second comparators, respectively, which inverts an output thereof in response to each of the first and second comparison results to generate the hysteresis output signal. | 2011-03-10 |
20110057687 | INPUT BUFFER CIRCUIT - There are provided a differential input circuit, a PMOS transistor | 2011-03-10 |
20110057688 | Frequency Reference Signal Generating System and Method for Frequency Synthesizers - A system for generating a frequency reference signal comprising an oscillator, a direct digital synthesizer coupled to the oscillator and configured to receive a signal output from the oscillator, a digital to analog converter coupled to the direct digital synthesizer and configured to receive a sampled signal from the direct digital synthesizer and to convert the sampled signal to an analog waveform, and a bandpass filter coupled to the digital to analog converter and configured to select an aliased output signal from the digital to analog converter at a Nyquist zone other than a first Nyquist zone and to output the frequency reference signal. | 2011-03-10 |
20110057689 | SIGNAL PROCESSING-SYSTEM USING SINGULARITY, AND ITS INFORMATION MEMORY MEDIUM - This invention provides the signal processing-system using singularity which is excellent in determination of the original signal against the degradation environment of an operating condition and robust to the signal degradation of noise, can generate the signal suitable to regeneration of the original signal, and has regeneration means to regenerate the original signal. This is the signal processing-system using singularity and has following configuration and features. | 2011-03-10 |
20110057690 | CLOCK CONTROL CIRCUIT AND TRANSMITTER - A transmitter | 2011-03-10 |
20110057691 | RECEIVING APPARATUS AND RECEIVING METHOD THEREOF - The receiving apparatus according to the present invention includes a multi-phase clock generating circuit, a latch component, an error check component, and a selector circuit. The multi-phase clock generating circuit generates a plurality of clocks, phases of which are different from each other. The latch component receives an external data divided into two or more and the plurality of the clocks, and concurrently obtains a plurality of data, clock-timing of which is different from each other, by latching the external data by different clocks. The error check component detects an error of the respective data. The selector circuit selects data judged as no-error data from the plurality of the data, and outputs the selected data as received data. According to the circuit configuration like this, it is possible to precisely receive the data. | 2011-03-10 |
20110057692 | DIGITAL CIRCUITS WITH ADAPTIVE RESISTANCE TO SINGLE EVENT UPSET - A digital circuit with adaptive resistance to single event upset. A novel transient filter is placed within the feedback loop of each latch in the digital circuit to reject pulses having a width less than T, where T is the longest anticipated duration of transients. The transient filter includes a first logic element having a controllable inertial delay and a second logic element coupled to an output of the first logic element. A first controller provides a control voltage VcR to each first logic element to control a rise time of the first logic element to be equal to T. A second controller provides a control voltage VcF to each first logic element to control a fall time of the first logic element to be equal to T. | 2011-03-10 |
20110057693 | DIRECT DIGITAL INTERPOLATIVE SYNTHESIS - A clock synthesis circuit includes a delta sigma modulator that receives a divide ratio and generates an integer portion and a digital quantization error (a fractional portion). A fractional-N divider divides a received signal according to a divide control value corresponding to the integer portion and generates a divided signal. A phase interpolator adjusts a phase of the divided signal according to the digital quantization error to thereby reduce noise associated with the fractional-N divider. | 2011-03-10 |
20110057694 | REGULATOR HAVING INTERLEAVED LATCHES - A charge pump system ( | 2011-03-10 |
20110057695 | PHASE LOCK LOOP AND CONTROL METHOD THEREOF - A phase lock loop (PLL) featuring automatic stabilization is provided, in which a first charge pump is coupled to a driving control signal to generate a first current, a filter with a zero-point path and the first charge pump are coupled at a first node, and a current adjustment circuit adjusts a current on the first node according to a voltage difference in the zero-point path. | 2011-03-10 |
20110057696 | Frequency Calibration Apparatus of Phase Locked Loop and Method Thereof - A frequency calibration apparatus, applied to a phase locked loop (PLL), includes a frequency detecting module and a search module. The frequency detecting module includes a first counter, a second counter and a comparing unit. During a monitoring period, the first counter and the second counter respectively generates a first count and a second count. The comparing unit compares the first count with the second count to generate a comparison result indicating at least three situations. The search module selects a frequency curve in response to the comparison result, and calibrates configuration of a voltage controlled oscillator (VCO) according to the frequency curve. | 2011-03-10 |
20110057697 | Clock generating circuit, semiconductor device including the same, and data processing system - To include a phase determining circuit that generates a first phase determination signal, a sampling circuit that samples the first phase determination signal and generates a second phase determination signal based on the sampled first phase determination signal, and a clock generating unit that generates an internal clock signal based on the second phase determination signal. The sampling circuit includes a continuity determining circuit that fixes the second phase determination signal when a logic level of the first phase determination signal changes within a sampling cycle, an initial operation circuit that fixes the second phase determination signal at a high level until when a third phase determination signal indicates a high level, and a disabling circuit that disables an operation of the continuity determining circuit after the third phase determination signal indicates a high level. | 2011-03-10 |
20110057698 | METHOD AND APPARATUS FOR SYNCHRONIZING WITH A CLOCK SIGNAL - Clock synchronization and skew adjustment circuits that utilize differing unit delay elements in their delay lines in either a graduated or a stepped unit time delay arrangement are for synchronizing with a clock signal. These graduated or a stepped unit time delays allow reduction in the number of the fine unit delay elements of the delay lines by placing a fine delay element granularity at the most critical timings to sense and adjust for the portion of the clock signal time period that are high speed or critical. | 2011-03-10 |