46th week of 2013 patent applcation highlights part 21 |
Patent application number | Title | Published |
20130300303 | Constant Voltage Dimmable LED Driver - A constant voltage dimmable LED (Light Emitting Diode) driver is disclosed that is compatible with all types of dimmers, including conventional phase cut (TRIAC) dimmers, and behaves like a conventional constant voltage driver which can be connected to any size of LED load that has a matching voltage rating. The driver produces a continuous train of pulses for driving the LED load and obtains an averaged measure of the voltage at the AC input for controlling the duty cycle of the continuous train of pulses. Therefore, when the averaged measure of the voltage at the AC input is reduced by a dimmer, the duty cycle reduces, resulting in a dimmed LED. The driver can be created by adding a few components to a conventional wide input range AC-DC converter without or with very little modifications. | 2013-11-14 |
20130300304 | Intelligent User Interface Including A Touch Sensor Device - The present invention, according to a preferred embodiment, is directed to portable electronic devices which operate on exhaustible power sources, for example, batteries. The electronic devices of the present invention comprise at least one signal switch and a microchip in communication with the switch wherein the switch is only capable of transmitting a signal to the microchip that the switch has been activated or deactivated. The microchip is in communication with the exhaustible power source of the electronic device and controls (i) the power on/off function of the device, (ii) at least one other function of the device in response to activation and deactivation signals from the switch, and (iii) an automatic shut off function in response to the receipt of an activation signal from the switch. | 2013-11-14 |
20130300305 | Lighting Control System and Method - A lighting system provides for independent control of both the brightness of an LED light fixture and the perceived color of the light emitted by the LED light fixture. The LED light fixture has two LED light sources, a control circuit alternately pulses the two LED light sources and changes relative duty cycles of the light sources to alter a perceived color output of the lighting fixture, in response to a change in a control signal from a controller. Duty cycles of the light sources are a function of the control signal and vary inversely. The LED light fixture also receives a control signal for controlling a current level provided to the LED light sources to independently control the brightness of the lighting system. | 2013-11-14 |
20130300306 | CIRCUIT FOR THE OPERATION OF AT LEAST ONE LED - A circuit for operating at least one LED (“driver circuit”) includes input terminals to be connected to an input or operating voltage in the form of a direct current (DC) voltage or a rectified alternating current (AC) voltage, and output terminals to be connected to a load circuit containing the at least one LED. The circuit includes a clocked switch and a control circuit for clocking the switch. The control circuit is in the form of an integrated circuit (IC) and is provided with input and output pins. The control circuit generates a clock signal for the switch depending on at least two actual value signals, such that there is a control loop with the manipulated variable “clocking of the switch.” | 2013-11-14 |
20130300307 | CIRCUITS AND METHODS FOR DRIVING LIGHT SOURCES - A controller for controlling a power converter includes a signal generator and a driver. The power converter receives an input voltage and provides an output voltage to power a load. The signal generator receives a sense signal indicating a current flowing through the power converter, receives a detection signal indicating whether the power converter operates in a predetermined state, and generates a square wave signal according to the sense signal and the detection signal. The square wave signal has a first voltage level proportional to a peak level of the current when the power converter operates in the predetermined state; otherwise, the square wave signal has a second voltage level. The driver generates a driving signal based on the square wave signal to control a current flowing through the load. | 2013-11-14 |
20130300308 | Current Limiting LED Driver - An LED driver with current limiter. | 2013-11-14 |
20130300309 | LED Lighting System with Accurate Current Control - A light emitting diode (LED) lighting system and method are disclosed, The LED lighting system and method include an LED controller to accurately control a current in an LED system. The LED controller includes components to calculate, based on the current and an active time period of an LED current time period, an actual charge amount delivered to the LED system wherein the LED current time period is duty cycle modulated at a rate of greater than fifty (50) Hz and to utilize the actual charge amount to modify and provide a desired target charge amount to be delivered during a future active time period of the LED current time period, The LED system and method further involve components to compare the actual charge amount to a desired charge amount for the active time period and compensate for a difference between the actual charge amount and the desired charge amount during the future active time period. | 2013-11-14 |
20130300310 | LIGHT EMITTING DIODE DRIVER WITH ISOLATED CONTROL CIRCUITS - A light emitting diode (LED) driver circuit that generates current for driving an LED load includes a voltage converter circuit configured to supply a drive current to the LED load in response to a control signal, a control circuit that generates the control signal, and a bias voltage generating circuit that generates the bias voltage for the control circuit. The bias voltage generating circuit is galvanically isolated from a power supply voltage and from the LED load. The voltage converter circuit regulates a level of the drive current supplied to the LED load in response to the control signal. | 2013-11-14 |
20130300311 | LIGHT EMITTING DIODE LIGHTING DEVICE WITH DUTY CYCLE CAPABLE OF BEING TUNED - An LED lighting device is provided. The LED lighting device includes a processing unit, a sensor, a MOSFET, and an LED. When the sensor detects a frequency or voltage fluctuation, the processing unit modulates the duty cycle of the MOSFET to reduce the energy consumption of the LED light device and improve the efficiency of luminance of the LED lighting device. | 2013-11-14 |
20130300312 | CONFIGURABLE LED DRIVER/DIMMER FOR SOLID STATE LIGHTING APPLICATIONS - The disclosure is directed at a configurable light emitting diode (LED) driver/dimmer for controlling a set of light fixture loads comprising: a power circuit; a primary digital controller for controlling the power circuit; a set of output current drivers, each of the set of output current drivers connected to one of the set of light fixture loads for controlling the associated light fixture load; a secondary digital controller for controlling the set of output current drivers; wherein the secondary controller transmits LED control information to control outputs of the set of output current drivers; and wherein the secondary digital controller provides digital feedback control information to the primary digital controller. | 2013-11-14 |
20130300313 | DISPLAY DEVICE AND ELECTRONIC DEVICE - A display device has an NTSC ratio of higher than or equal to 80% and a contrast ratio of higher than or equal to 500 and includes a display portion. In the display portion, pixels are provided at a resolution of greater than or equal to 80 ppi, and the pixels each includes a light-emitting module capable of emitting light with a spectral line half-width of less than or equal to 60 nm in a response time of shorter than or equal to 100 μs. Further, transient characteristics of the emission intensity of the light-emitting module have a projecting portion higher than other portions in a portion rising in response to an input signal. | 2013-11-14 |
20130300314 | Setting up hybrid coded-light - ZigBee lighting system - A lighting system ( | 2013-11-14 |
20130300315 | SWITCH CONTROLLER, POWER SUPPLY DEVICE COMPRISING THE SAME, AND DRIVING METHOD OF THE POWER SUPPLY DEVICE - The power supply device includes a power switch including one terminal to which an input voltage is transferred; an inductor including one terminal connected to another terminal of the power switch; a diode connected between a ground and a floating ground; a sensing resistor connected between the floating ground and the one terminal of the inductor. A switch controller compares a modulation sensing voltage depending on a sensing voltage generated from the sensing resistor with a high peak reference and a low peak reference when a LED string is connected between an inductor and the ground. The switch controller controls a switching operation of a power switch according to the comparison result. The high peak reference and the low peak reference are references for controlling an upper limit and a lower limit of an LED current flowing through the LED string, respectively. | 2013-11-14 |
20130300316 | GESTURAL CONTROL DIMMER SWITCH - A gestural control dimmer switch for controlling the illumination level of a light using hand movements comprises a dimmer panel in operative communication with a light, the dimmer panel having a plurality of hand position sensors corresponding to a spectrum of illumination levels of the light, wherein when a hand is detected by the hand position sensors the illumination level of the light is set until the hand reaches a dimmer trigger position when the switch enters a dimming mode during which the illumination level is adjusted to the illumination level corresponding to the hand position sensor the presence of the hand is detected until a release condition is satisfied. | 2013-11-14 |
20130300317 | LIGHT BULB - A light bulb includes a bulb base, a light holder, a plurality of light emitting elements, and a bulb shell. The bulb base has a connection part and an engaging part disposed opposite to each other. The light holder includes a surrounding wall connected to the bulb base at the engaging part, and an end wall connected to the surrounding wall. The light emitting elements are disposed on the surrounding wall and the end wall and are connected electrically to the bulb base. The bulb shell includes a light-transmissive shell body that engages the engaging part of the bulb base, and has a receiving space defined by the shell body and into which the light holder extends. | 2013-11-14 |
20130300318 | COMMUNICATION MODULE AND LIGHTING APPARATUS HAVING THE SAME - Disclosed are a communication module and a lighting apparatus having the same. The communication module includes a housing provided therein with a space, and a module substrate provided in the space of the housing and provided therein with a wireless communication chip, a reset device to reset the wireless communication chip, and a display part to display the state of the wireless communication chip through the opening. The communication module is detachably coupled with an object to transmit a control signal, which is received through a wireless network, to the object. The communication module is stored when the lighting part of the lighting apparatus is replaced with new one, so that the cost is reduced. The light is discharged through the opening to display the erroneous operation of the inner part, such that the communication module is forcibly reset. | 2013-11-14 |
20130300319 | ELECTRIC ACTUATOR - An electric actuator has a switch, a setting unit and a resetting unit. The switch is provided in a supply path of electric power from an electricity storing body to a motor. The switch opens and closes the supply path. The setting unit is operated through receiving a supply of electric power from the electricity storing body in response to an instruction from an operator. The setting unit opens the switch provided in the supply path for electric power from the electricity storing body to the motor. The resetting unit is operated through receiving a supply of electric power from an external power supply when the external power supply has been restored from being cut off. The resetting unit closes the switching unit provided in the supply path of electric power from the electricity storing body to the motor. | 2013-11-14 |
20130300320 | ELECTRIC ACTUATOR - An electric actuator has a motor, an electricity storing body, a switch, a setting unit, a resetting unit and a setting-off unit. The switch is provided in a supply path for electric power from the electricity storing body to the motor. The switch opens and closes the supply path. The setting unit is operated through receiving a supply of electric power from the electricity storing body in response to an instruction from an operator. The setting unit opens the switch. The resetting unit is operated through r a supply of electric power from the external power supply when the external power supply has been restored from being cut off. The resetting unit closes the switch that is provided in the supply path. The setting-off unit sets off the supply of electric power from the external power supply to the resetting unit after a specific delay time has elapsed. | 2013-11-14 |
20130300321 | ELECTRIC ACTUATOR - An electric actuator has a motor, an electricity storing body, a switch and a resetting unit. The switch is provided in a supply path of electric power from the electricity storing body to the motor. The switch opens the supply path for electric power from the electricity storing body to the motor, in response to an instruction from an operator. The resetting unit is operated through receiving a supply of electric power from the external power supply when the external power supply has been restored from being cut off. The resetting unit closes the switch that is provided in the supply path of electric power from the electricity storing body to the motor. | 2013-11-14 |
20130300322 | EMBEDDED INDUSTRIAL CONTROLLER WITH BICYCLE FRAME SHAPE - An embedded industrial controller with a bicycle frame shape is disclosed. The embedded industrial controller includes a casing with the bicycle frame shape having an upper tube, a lower tube, a front fork, a rear lower fork, a rear upper fork and a base tube, a motherboard, a battery module, a power electrical port and a plurality of input and output electrical ports. The embedded industrial controller with a bicycle frame shape of the present invention has significantly improved functions than the conventional industrial controller, and further meets the conventional requirements such as dust proof, vibration proof, and heat dissipation. | 2013-11-14 |
20130300323 | METHOD AND CIRCUIT ARRANGEMENT FOR CHARGING AN INTERMEDIATE CIRCUIT CAPACITOR - A method for charging an intermediate circuit capacitor in a precharging unit includes charging the intermediate circuit capacitor via a current source and adjusting the supplied current in such a manner that a constant power loss is produced in the current source during the entire charging operation. A circuit arrangement includes a battery which is connected to a current source which is connected to an intermediate circuit capacitor via a switch. An adjusting circuit is arranged in parallel with the current source and can be used to adjust the current for charging the intermediate circuit capacitor. The current is adjusted in such a manner that a constant power loss is produced in the current source during the entire charging operation. | 2013-11-14 |
20130300324 | Method for Determining the Speed of a Synchronous Machine, Circuit Configuration for Actuating a Synchronous Machine, and Use of Such a Configuration - The invention relates to a method wherein the speed of the rotor of an electronically commutated synchronous machine is determined or controlled by means of one or more rotor position sensors, in particular, three rotor position sensors that are fixed to the stator, and a time measuring device, wherein the angle traveled by the rotor and the time lapsed during the travel are measured, wherein the measured angle traveled by the rotor is corrected by means of one or more first correction constants, in particular a differential for correcting for the influence of non-uniform positioning or expansion of the position marking of the rotor, and a circuit configuration for actuating an electronically commutated synchronous machine. | 2013-11-14 |
20130300325 | CONTROL METHOD AND CONTROL APPARATUS FOR BRUSHLESS MOTOR - Energization to armature windings of a brushless motor in a driven state is interrupted when an energization pattern of the energization shifts to a specific energization pattern determined in advance among a plurality of energization patterns to stop the brushless motor. Also, the brushless motor that has been stopped is started by energizing the armature windings of the brushless motor in the specific energization pattern. | 2013-11-14 |
20130300326 | MOTOR DRIVING DEVICE FOR PROTECTING INRUSH CURRENT - A motor driving device for protecting inrush current is disclosed, where the motor driving device includes a resistor, a capacitor, an electronic switch, a rectifier and a driving circuit. The capacitor is connected to the resistor in series. The electronic switch is connected to the resistor in parallel. The rectifier is connected to the resistor and the capacitor in parallel and is electrically connected to a power source. The driving circuit is connected to the resistor and the capacitor in parallel and is electrically connected to a motor. | 2013-11-14 |
20130300327 | POWER CONVERSION APPARATUS - A DC link is provided, which includes a capacitor connected in parallel to an output of a converter circuit, and outputs a pulsating DC link voltage. An inverter circuit is provided, which converts an output of the DC link to AC by switching, and supplies the AC to a motor connected thereto. A controller is provided, which controls switching of the inverter circuit so that motor currents pulsate in synchronization with pulsation of a power-supply voltage. The controller controls the switching of the inverter circuit in accordance with a load of the motor or an operational state of the motor, and reduces pulsation amplitude of the motor currents. | 2013-11-14 |
20130300328 | SWITCHING CONTROL APPARATUS FOR TWO PHASE SWITCHED RELUCTANCE MOTOR AND METHOD THEREOF - Disclosed herein are a switching control apparatus for two phase switched reluctance motor and a method thereof. The switching control apparatus includes a rectifier rectifying commercial power; and an active converter including a pair of common switches commonly connected to two phase windings of two phase SRMs, a pair of first phase switches bridge-connected to the pair of common switches at any one of the two phase windings, a pair of second phase switches bridge-connected to the pair of common switches at the other one of the two phase windings, and a plurality of current feedback diodes each connected to the switches, wherein the active converter is operated in operation modes | 2013-11-14 |
20130300329 | SYSTEM AND METHOD FOR MONITORING AND CONTROLLING A BRUSHLESS ELECTRIC MOTOR - A system for monitoring and controlling a brushless motor associable to an electric power source by means of a rectifier. An actuator assembly is operatively associated to the motor and rectifier. The rectifier is arranged to provide a continuous busbar voltage (Vbar) and a continuous reference voltage (Vref) to the actuator assembly. The actuator assembly includes switches (SW | 2013-11-14 |
20130300330 | PUMP UNIT - A pumping set includes an electric motor, which exhibits a stator, a rotor and a can arranged between the stator and rotor, and at least one impeller linked with the rotor, wherein the electric motor has engine electronics designed for electronically commutating the electric motor, and the electric motor and commutation are configured in such a way that, in a state where the rotor chamber inside the can and/or the impeller is not filled with liquid, the rotor is shut down. | 2013-11-14 |
20130300331 | POWER TOOL - A power tool includes a motor, a gear mechanism that changes the speed of an output of the motor, a drive circuit including a switching element that controls power supplied to the motor, a housing that accommodates the motor, a fixture that fixes the motor to the housing, and a temperature sensor that measures a temperature of the switching element. The drive circuit stops supplying power to the motor when the temperature measured by the temperature sensor reaches a predetermined temperature. The fixture functions to radiate heat from the switching element. | 2013-11-14 |
20130300332 | CONTROL APPARATUS FOR A POWER CONVERTER CONNECTED TO A ROTARY MACHINE WHICH IS OPERABLE AS A DRIVE MOTOR OF A VEHICLE - In a vehicle, a control apparatus controls a power converter supplying a rotary machine which can operate as a drive motor of the vehicle, and controls a cooling apparatus for circulating a coolant fluid through the rotary machine and the power converter. When a temporary condition occurs immediately after commencement of the circulation, whereby the temperatures of the coolant fluid and of switching elements in the power converter are judged to concurrently exceed respective specified temperature thresholds, the control apparatus limits the maximum power that can be supplied from the power converter to a lower value than is normally available. When the temperature of the coolant fluid is judged to no longer exceed the corresponding temperature threshold, the limiting is released. | 2013-11-14 |
20130300333 | APPARATUS FOR ESTIMATING QUANTITY OF STATE RELATING TO MOTOR, AND ELECTRIC TOOL - The present application discloses an apparatus including: a motor model that reflects a characteristic of a motor and includes at least inputs pertaining to a first quantity of state and a second quantity of state and an output pertaining to a third quantity of state; a comparator that calculates a difference between the third quantity of state in an actual motor and the third quantity of state output from the motor model; and an amplifier that amplifies an output of the comparator at a predetermined gain. The first quantity of state in the actual motor is input into the motor model as the first quantity of state, and an output of the amplifier is input into the motor model as the second quantity of state. The apparatus then uses the output of the amplifier as an estimated value of the second quantity of state in the actual motor. | 2013-11-14 |
20130300334 | POWER CONVERSION APPARATUS - A power conversion apparatus is equipped with switching devices to perform power conversion of input AC power supplied from an AC power supply to output AC power having a predetermined voltage and a predetermined frequency, and to supply the power to a motor connected thereto. The apparatus includes a controller controlling switching of the switching devices, a capacitor smoothing a ripple generated by the switching of the switching devices, a current controller controlling a current flowing to the motor, and a voltage distortion corrector detecting a harmonic component caused by distortion in motor input power, and superimposing compensation values on an output of the current controller in accordance with a value of the harmonic component. | 2013-11-14 |
20130300335 | System and Method for Controlling Actuators - A method controls an operation of an actuator. A first control signal is determined to change a position of a moving element of the actuator according to a trajectory of the moving element. A second control signal is determined to compensate for a first component of an error of the operation due to uncertainty of a model of the actuator. A third control signal is determined to compensate for a second component of the error of the operation due to an external disturbance on the actuator. The operation of the actuator is controlled based on a combination of the first control signal, the second control signal, and the third control signal. | 2013-11-14 |
20130300336 | POSITION CONTROL SYSTEM - The invention provides a position control system comprising a moving portion that is movable, a position-detection portion that detects a position of the moving portion, a drive portion that applies driving force to the moving portion thereby moving the moving portion, a control portion that controls the driving force of the drive portion, and an input portion for inputting a drive target position for the moving portion, characterized in that the control portion is operable to determine the driving force to be applied to the drive portion based on a correction coefficient acquired based on a first deviation that is a difference between the drive target position inputted into the input portion and the reference position, and a second deviation that is a difference between a position detected by the position-detection portion and the drive target position inputted into said input portion. | 2013-11-14 |
20130300337 | MOTOR CONTROL DEVICE - A motor control device includes: an acceleration/deceleration processing unit that generates a servo command according to an acceleration/deceleration parameter; a servo control unit that controls a motor drive torque to drive a control target machine motor according to the servo command; a power supply unit that supplies electric power of a predetermined power supply capacity from a commercial power supply to the servo control unit; an electrical storage unit that supplies electric power supplementing the electric power; and an acceleration/deceleration parameter setting unit that computes maximum power that can be used for acceleration/deceleration based on a power storage amount in the electrical storage unit, the power supply capacity, and all energy required for acceleration, computes an acceleration/deceleration parameter that causes electric power at a time of acceleration/deceleration to be equal to or lower than the maximum power, and sets the acceleration/deceleration parameter. | 2013-11-14 |
20130300338 | SINGLE PHASE MOTOR ENERGY ECONOMIZER FOR REGULATING THE USE OF ELECTRICITY - A device for improving efficiency of an induction motor soft-starts the motor by applying a power to the motor that is substantially less than the rated power of the motor then gradually increasing the power while monitoring changes in current drawn by the motor, thereby detecting when maximum efficiency is found. Once maximum efficiency is found, the nominal motor current is found and operating ranges are set. Now, the phase angle between the voltage and the current to the motor is measured and power to the motor is increasing when the phase angle is less than a minimum phase angle (determined during soft-start) and power to the motor is decreased when the phase angle is greater than or equal to the minimum phase angle as long as the voltage does not fall below a minimum voltage determined during soft-start. | 2013-11-14 |
20130300339 | METHOD AND CONVEYOR SYSTEM - A conveyor system and a method for driving a conveyor are disclosed. In the method, electric power is supplied to the drive machinery of a conveyor depending on the power requirement with a supply device to be selected from at least two different adjustable supply devices, and the supply device supplying power to the drive machinery is changed on the basis of the power requirement of the conveyor. | 2013-11-14 |
20130300340 | ARRANGEMENT AND METHOD FOR RECHARGING A RECHARGEABLE BACKUP BATTERY - An arrangement for recharging a rechargeable backup battery of a telematics unit associated with a vehicle is disclosed herein. The arrangement includes, but is not limited to, an electrical device electrically coupled with the rechargeable backup battery. The electrical device is configured to convert light energy into electricity. The arrangement further includes a charge controller that is configured to direct an electric current from the electrical device into the rechargeable backup battery to recharge the rechargeable backup battery when the vehicle is in an off state. | 2013-11-14 |
20130300341 | SYSTEM FOR RECHARGING A BATTERY - A system for recharging a battery converts ambient thermal energy into electricity and then converts the electricity to a form that can recharge the battery. The battery is preferably used to power a device including the system. | 2013-11-14 |
20130300342 | Battery System - A battery system has battery cells, a transformer which has a first winding which can be connected parallel to the cell arrangement, and a plurality of second windings. Each second winding can be connected parallel to one of the battery cells. The transformer includes a third winding, which is provided for feeding energy from an external energy source to the battery system. | 2013-11-14 |
20130300343 | CHARGING ELECTRONIC DEVICES - An electronic device may include a first charging port. A peripheral device connected to the first charging port can be sensed. The first charging port can be electrically connected to a battery charger of the electronic device by a first connection and configured to provide a charge to the battery charger through the first connection. The first charging port can be further electrically connected to a battery of the electronic device by a second connection and configured to receive a charge from the battery by the second connection. A charge (i.e., power) can be provided to the peripheral device from the battery through the second connection. A charge on the first connection can be directed away from the battery charger. | 2013-11-14 |
20130300344 | Power Management Circuit For Rechargeable Battery Stack - A system including a first cell, a second cell, a first switch, a second switch, an inductance, and a control module. The first cell and the second cell are connected in series to each other and respectively output a first voltage and a second voltage. The first switch and the second switch are connected in series to each other and are connected across the first cell and the second cell. The inductance is connected between the first switch and the second switch, and between the first cell and the second cell. The control module generates control signals to control the first switch and the second switch, and to transfer charge between the first cell and the second cell via the inductance until a difference between the first voltage and the second voltage is less than or equal to a predetermined threshold. The predetermined threshold is not equal to zero. | 2013-11-14 |
20130300345 | Jaw Powered Electric Generator - An electric generator powered by the opening and closing of a user's jaw. In one embodiment, a portion of an electric generator is mechanically stressed by a user's teeth when the user opens or closes his jaw. The mechanical stress is converted to electric energy and may be stored in a battery or power an electric device. In another embodiment, a magnet is passed through a coil when the user opens or closes his jaw to generate electric energy. | 2013-11-14 |
20130300346 | CHARGE CONTROLLING SYSTEM, CHARGE CONTROLLING APPARATUS, CHARGE CONTROLLING METHOD AND DISCHARGE CONTROLLING APPARATUS - Disclosed herein is a charge controlling system, including: a control apparatus; and a plurality of battery units connected to the control apparatus, wherein the control apparatus includes an acquisition section configured to acquire sensor information from at least one of the battery units, and a control section configured to set a magnitude of charge current for each of the battery units in response to the sensor information, and the battery units individually include a battery, a charge controlling section configured to charge the battery with the charge current of the magnitude set by the control section, and a sensor for acquiring the sensor information. | 2013-11-14 |
20130300347 | Battery Charging Method and Mobile Terminal - Embodiments of the present invention provide a battery charging method, related to the field of electronic technologies and invented to shorten the charging time. The method includes: determining, by a mobile terminal, a specification parameter of a battery to be charged; determining, by the mobile terminal, a charging parameter corresponding to the specification parameter according to the determined specification parameter; and charging, by the mobile terminal, the battery to be charged according to the determined charging parameter. Embodiments of the present invention also provide a corresponding mobile terminal. The present invention is applicable to charging of a mobile terminal. | 2013-11-14 |
20130300348 | Current Sensing Circuit Disconnect Device and Method - A device and method are provided for saving power and electricity in a charging device including external power supplies and battery chargers having a primary circuit and a secondary circuit where a switch is located in the primary circuit and a current sensing device in the secondary circuit to sense when there is a drop in current in the secondary circuit or no current in the secondary circuit because the load such as a cell phone or tablet is charged and when this occurs the switch in the primary circuit is opened and the primary circuit no longer draws power from the source of power until the switch in the primary circuit is closed by activation of a user of the charging device. | 2013-11-14 |
20130300349 | MOBILE CHARGER - A mobile charger includes a housing ( | 2013-11-14 |
20130300350 | WIRELESS CHARGING DEVICE - A wireless charging device comprises an electronic switch and a transmitting coil (L | 2013-11-14 |
20130300351 | WIRELESS TRANSCEIVER AND WIRELESS TRANSCEIVER SYSTEM - A wireless transceiver coupled to a human interface device (HID) having a first coil is provided. The wireless transceiver includes a control module, a port, and a second coil. The control module includes a radio frequency (RF) unit, a conversion unit, and an electricity power unit. The RF unit is used to receive a RF signal outputted from the HID. | 2013-11-14 |
20130300352 | POWER RECEIVING DEVICE FOR WIRELESS CHARGING AND PORTABLE ELECTRONIC DEVICE HAVING THE SAME - Disclosed herein are a power receiving device for wireless charging and a portable electronic device having the same. The power receiving device for wireless charging includes a body having a receiving space formed therein; and a charging kit detachably received in the receiving space, and including a coil formed to receive power by magnetic coupling with a power supplying device and a charging circuit configured to charge a battery by electromotive force induced in the coil. | 2013-11-14 |
20130300353 | LOW AC RESISTANCE CONDUCTOR DESIGNS - Described herein are improved configurations for providing a stranded printed circuit board trace comprising, a plurality of conductor layers, a plurality of individual conductor traces on each of the said conductor layers, and a plurality of vias for connecting individual conductor traces on different said conductor layers, the vias located on the outside edges of the stranded trace. The individual conductor traces of each layer may be routed from vias on one side of the stranded printed circuit board trace to vias on the other side in a substantially diagonal direction with respect to the axis of the stranded printed circuit board trace. In embodiments, the stranded printed circuit board trace configuration may be applied to a wireless power transfer system. | 2013-11-14 |
20130300354 | VEHICLE, POWER RECEIVING DEVICE, POWER TRANSMITTING DEVICE, AND CONTACTLESS POWER SUPPLY SYSTEM - A vehicle is able to contactlessly receive electric power from a power transmitting device and to charge a mounted electrical storage device (electric load). The vehicle includes a communication unit that carries out wireless communication with the power transmitting device and a vehicle ECU (control fit) that controls the communication unit. The communication unit is able to switch a communication range between a wide communication range (wire-area communication) and a narrow communication range (narrow-area communication). The vehicle ECU, at the time of identifying a power transmitting device from which electric power should be received, controls the communication unit such that the communication unit communicates with the power transmitting device using the narrow-area communication. | 2013-11-14 |
20130300355 | WIRELESS MULTI-CHARGER SYSTEM AND CONTROLLING METHOD THEREOF - Disclosed are a wireless multi-charger system capable of saving the total charging time of a large number of wireless power transmission devices since one wireless multi-power transmission device includes a plurality of the wireless power transmission devices so that a large number of the wireless power transmission devices can be charged with electricity, and preventing the damage of the wireless power transmission devices and the wireless multi-power transmission device although foreign substances are put on charger blocks that are not charged. | 2013-11-14 |
20130300356 | CHARGING AREA DISPLAYABLE WIRELESS CHARGER AND CONTROLLING METHOD THEREOF - A wireless charger and controlling method thereof are disclosed, by which a charging area can be displayed in further consideration of user's convenience. The present invention includes a power supply unit configured to supply a power by wireless to a power receiver located in a charging area within a predetermined distance, a light projection unit configured to project a light on an area around the wireless charger, and a control unit configured to control the light projection unit to project the light on the area around the wireless charger to visually discriminate the charging area. | 2013-11-14 |
20130300357 | APPARATUS FOR WIRELESSLY CHARGING ENERGY STORAGE ELEMENTS - An apparatus for wirelessly charging an energy storage element is disclosed. The apparatus includes a coil, a set of capacitors, a set of switches and a rectifier. The coil, which has multiple taps, is capable of being energized by a charger via inductive coupling. The capacitors are connected to the coil at various taps. The switches selectively connect the rectifier to at least one of the capacitors to charge the energy storage element that is connected to the rectifier. | 2013-11-14 |
20130300358 | WIRELESS POWER TRANSFER FOR APPLIANCES AND EQUIPMENTS - Exemplary embodiments are directed to wireless power transfer. A transmitting device or a receiving device for use in a wireless transfer system may be equipment or a household appliance. The transmitting device includes a transmit antenna to wirelessly transfer power to a receive antenna by generating a near field radiation within a coupling-mode region. An amplifier applies an RF signal to the transmit antenna. A presence detector detects a presence of a receiver device within the coupling-mode region. A controller adjusts a power output of the amplifier responsive to the presence of a receiver device. The presence detector may also detect a human presence. The power output may be adjusted at or below the regulatory level when the presence signal indicates human presence and above a regulatory level when the presence signal indicates human absence. | 2013-11-14 |
20130300359 | VEHICLE AND EXTERNAL POWER FEEDING APPARATUS - An electrical powered vehicle is equipped with a coil unit capable of receiving electric power from a facility self-resonant coil external to the vehicle. The electrical powered vehicle includes: a pair of side members aligned in a widthwise direction of the vehicle and extending in a fore-aft direction of the vehicle; a vehicle self-resonant coil coupled with the facility self-resonant coil resonantly via an electromagnetic field to be capable of at least one of transmitting electric power and receiving electric power; and a vehicle capacitor provided to the vehicle self-resonant coil between the paired side members. | 2013-11-14 |
20130300360 | NON-CONTACT CHARGING MODULE AND NON-CONTACT CHARGER - A non-contact charging module with which reduction in thickness can be achieved while reliable insulation is maintained between conducting wire and magnetic sheet. This non-contact charging module comprises: a planar coil section ( | 2013-11-14 |
20130300361 | METHOD FOR CHARGING A BATTERY FOR SUPPLYING POWER TO A DRIVE MOTOR OF A MOTOR VEHICLE - A method for charging a battery, including: determining a final state of charge and a final temperature of the battery; and calculating charging power and/or cooling power required to reach the two final values within a minimum amount of time. | 2013-11-14 |
20130300362 | ELECTRIC VEHICLE CHARGING STATION ADVERTISING SYSTEMS - Disclosed herein are representative embodiments of methods, apparatus, and systems relating to electric vehicle charging stations (“EVCSs”) and electric vehicle supply equipment (“EVSE”) that are configured to display advertisements to a user. For example, in one embodiment, advertisements are displayed on a display device of the EVCS or EVSE as the EVCS or EVSE awaits user interaction. An indication is received of user interaction with the EVCS or EVSE. A transaction is facilitated between a user and the EVCS or EVSE by which the user indicates that one or more electric vehicle batteries of an electric vehicle are to be charged via one of one or more charging ports of the EVCS or EVSE. A charging operation is performed that provides an electric charge to the one or more electric vehicle batteries of the electric vehicle via the one of the one or more charging ports. | 2013-11-14 |
20130300363 | VEHICLE AND VEHICLE CONTROL METHOD - A vehicle that is chargeable using power from an external power source includes: a chargeable electric storage device; a charging device that charges the electric storage device by using the power from the external power source; and a control device that, based on maximum supply power that is able to be supplied to the electric storage device and based on actual charge power actually supplied to the electric storage device, calculates a shortfall with respect to charge power supplied to the electric storage device in a case where charging is performed at the maximum supply power, and stores information relating to a causal factor for the shortfall. | 2013-11-14 |
20130300364 | Motor Vehicle Device - An electrical and/or hybrid motor vehicle device includes a charging device for the charging of an accumulator device. The charging device includes a first charging unit with a connector element for the charging of the accumulator device, which is provided for energy transfer by means of contacts. The charging device also includes a second charging unit with an energy transfer unit for the charging of the accumulator device, which is provided for a contactless energy transfer. The charging device has a charging electronic system, which is provided at least in part as an integral construction with the first and second charging units. | 2013-11-14 |
20130300365 | INTELLIGENT WALL-TYPE CHARGER - An intelligent wall-mounted charger comprises a housing ( | 2013-11-14 |
20130300366 | CHARGER - A charger includes a charging body having a base body, two insertion pins apart assembled to a front end of the base body, and at least one USB port equipped in a rear end of the base body. A power plug includes a plug part, a socket part mounted to the plug part and defining two inserting slots, and two electrical terminals located between the socket part and the plug part and each having a pair of contact portions. The plug part has a group of power pins of which one end electrically connects with the electrical terminals and the other end projects outward for plugging in a wall socket. The power plug can be removably attached to the charging body by means of plugging the insertion pins into the corresponding inserting slots to electrically clamp the insertion pin between the contact portions of the corresponding electrical terminal respectively. | 2013-11-14 |
20130300367 | Rechargeable Power Supply Device - A portable, rechargeable lithium battery power supply device that can power home electronics or home lights or appliances is disclosed in the present invention. Said device comprises a lithium ion battery, an AC/DC inverter, a diode, a charger and a outlet. Said device provides 120 volt direct current power to home electronics or home light or appliances. | 2013-11-14 |
20130300368 | VIDEO GAME CONTROLLER CHARGING SYSTEM HAVING A DOCKING STRUCTURE - A video game controller charging system is provided. The video game controller charging system includes a base; at least one structure on the base for providing physical support to at least one video game controller while it is being charged; and at least one DC port on the base configured to couple to and provide DC power to a power input port of the at least one video game controller. The video game controller charging system may also include a current detector, a charging status indicator, at least one docking bay, and/or an AC-to-DC converter adapted to convert externally supplied power to the DC power provided to the power input port of at least one video game controller. The base of a charging station may include a recess having at least one electrical contact and a power input for connection to a power supply. | 2013-11-14 |
20130300369 | Battery having a Plurality of Battery Modules Arranged in Battery Strings, and Method for Operating the Battery - A battery includes a plurality of battery modules which are arranged in battery strings and are selectively activated or deactivated by driving. The battery module voltage of a respective battery module contributes to an output voltage of the corresponding battery string of the battery in the activated state. The battery further includes a switching converter topology which is coupled to the battery strings and is configured to selectively generate currents flowing into one or more of the battery strings. | 2013-11-14 |
20130300370 | BATTERY PACK AND ELECTRIC POWER CONSUMING APPARATUS - A battery pack that has a configuration in which a plurality of secondary battery cells are connected in series at time of discharge and are connected in parallel at time of charge, and that has a configuration and a structure with which the charge and the discharge are allowed to be performed without any trouble even if an abnormal-state secondary battery cell exists is provided. A battery pack | 2013-11-14 |
20130300371 | CELL BALANCE CONFIGURATION FOR PIN COUNT REDUCTION - Embodiments of an electronic circuit for monitoring a battery stack enable cell balancing while conserving pin-count of the circuit package. The illustrative electronic circuit comprises a battery monitoring integrated circuit configured for monitoring a plurality of cells in the battery stack. The battery monitoring integrated circuit is arranged to share a common node pin between two adjacent battery cells in the battery stack for the purpose of cell balancing. | 2013-11-14 |
20130300372 | ENERGY STORE AND METHOD FOR DISCHARGING AND CHARGING AN ENERGY STORE - An energy store includes a rechargeable primary energy store having a first electrode which generates anions and which conducts anions, a second electrode which accepts anions and/or which conducts anions, an electrolyte which is arranged between the first electrode and the second electrode and which conducts anions and is embodied as a solid, and a first redox pair which forms the second electrode or is in contact with same and which includes an oxidation reactant and an oxidation product. The store includes at least one storable second oxidation reactant that belongs to a second redox pair and a secondary energy store which is designed as a store for the second oxidation reactant. A connecting line is provided between the primary energy store and the secondary energy store, the connecting line allowing the second oxidation reactant to be conducted from the primary energy store to the secondary energy store and back. | 2013-11-14 |
20130300373 | Methods and Systems for Battery Management and Charger Control - A battery system including a battery pack having a plurality of battery cells and a charger control circuit configured to receive unregulated power from a source and to provide regulated power to the battery pack. The battery system also includes a battery management system configured to individually monitor and control the plurality of battery cells and the charger control circuit. | 2013-11-14 |
20130300374 | STORAGE BATTERY CONTROL SYSTEM AND STORAGE BATTERY CONTROL METHOD - A storage battery control system comprises multiple storage batteries disposed in a power grid, and a storage battery control apparatus. The storage battery control apparatus is communicably coupled to the multiple storage batteries and an energy management system. The storage battery control apparatus acquires storage battery information comprising a charging-discharging performance and a remaining capacity from each of the storage batteries, acquires power supply-demand prediction information showing a prediction of power supply and demand in a prescribed range from the energy management system, decides an individual charging-discharging rate for each of the storage batteries based on the storage battery information and the power supply-demand prediction information, and sends the decided individual charging-discharging rate to each of the storage batteries. Each of the storage batteries operates based on the individual charging-discharging rate received from the storage battery control apparatus. | 2013-11-14 |
20130300375 | SYSTEMS AND METHODS FOR HIGH POWER FACTOR CHARGING - In one aspect, an apparatus for charging a device includes a charger and a controller. The charger includes a capacitance and has a charger input and a charger output. The charger input receives an AC input voltage waveform, and the charger output outputs an output voltage waveform and an output current waveform. The controller determines whether an amplitude of the output voltage waveform is within a voltage range. In response to determining that the amplitude of the output voltage waveform is within the voltage range, the controller directs an amplitude of the output current waveform to be substantially proportional to an amplitude of the AC input voltage waveform. In response to determining that the amplitude of the output voltage waveform is not within the voltage range, the controller increases the capacitance of the charger to adjust the amplitude of the output voltage waveform to be within the voltage range. | 2013-11-14 |
20130300376 | POWER SUPPLY SYSTEM PROVIDING POWER AND ANALOG DATA SIGNAL FOR USE BY PORTABLE ELECTRONIC DEVICE TO CONTROL BATTERY CHARGING - A power supply system includes data circuitry as well as power circuitry to generate DC power for use by a portable electronic device having a rechargeable battery. The DC power, ground and two signaling lines are provided in a power supply connector which detachably mates with an electronic device power input port. In response to a first signal from the electronic device transmitted over one of the signaling lines, the data circuitry provides an analog signal to the electronic device over the other signaling line. The electronic device determines a parameter level, such as a current level, of the analog signal, and based on the determined parameter level controls charging of its battery. | 2013-11-14 |
20130300377 | BATTERY STATE-OF-CHARGE ESTIMATOR USING ROBUST H(INFINITY) OBSERVER - A battery state-of-charge (SOC) estimator uses a robust H | 2013-11-14 |
20130300378 | EXCAVATOR - An excavator includes an electric load, an electrical energy storage unit including an electrical energy storage part ( | 2013-11-14 |
20130300379 | High Voltage DC Power Source And A Power Apparatus For A High Voltage Electrical Power System - A high voltage dc power source for providing a charging current to an electronic device, including one or more strings connected in parallel, each string being subdivided into dc power source units connected in series and each string being provided with a solid-state switch configured to connect and disconnect the string, and a control unit adapted to turn on and turn off the solid-state switch, and the control unit is configured, upon receiving an order to connect the string, to control the switch of the string to be alternately turned on and off so that a soft charging of the electronic device is achieved. | 2013-11-14 |
20130300380 | SHAFT-DRIVEN GENERATOR SYSTEM - A shaft-driven generator system has a generator connected to a converter. An inverter supplies an AC voltage on a network side. The converter and the inverter are linked via a DC link circuit. The inverter has at least two phase modules, which each have an upper and a lower valve branch, which each have a plurality of two-pole sub-systems connected electrically in series. Each sub-system has a unipolar storage capacitor, to which a series circuit of two gate-controlled turn-off semiconductor switches is connected electrically in parallel. Each semiconductor switch has a diode connected antiparallel therewith. Thus, a shaft-driven generator system is obtained that has a DC-link converter as a static frequency converter for complying with the required network feedback and for managing transient operating states. | 2013-11-14 |
20130300381 | POWER CONVERTER APPARATUS - A power converter apparatus for driving an electronic load is disclosed. The power converter apparatus includes a rectifier module, an active switch unit, a driving module, an input voltage detection module, an output voltage detection module, a current detection module and a digital processor module. The active switch unit is shunt connected to the electronic load. The input voltage detection module is used for sampling out an input sampled voltage waveform. The output voltage detection module is used for sampling out an output sampled voltage waveform. The current detection module is used for sampling o out a practical input current waveform. The digital processor module generates a current reference command according to the input sampled voltage waveform and the output sampled voltage waveform. The digital processor module dynamically switches the active switch unit according to the current reference command and the practical input current waveform. | 2013-11-14 |
20130300382 | REGULATING CASCODE CIRCUIT WITH SELF-CALIBRATION CAPABILITY - A circuit comprises a cascode core circuit and a current adjustor circuit. The cascode core circuit has an output node and a current path (ID). The current adjustor circuit is configured to change a current on the current path in response to a change in a voltage at the output node. The cascode core circuit comprises a first transistor, a second transistor, and a third transistor. A first terminal of the first transistor is coupled to a second terminal of the second transistor and to a third terminal of the third transistor. A first terminal of the second transistor is configured as the output node. A first terminal of the third transistor is coupled to a third terminal of the second transistor. The current path is through the first terminal of the third transistor. | 2013-11-14 |
20130300383 | CURRENT MODE CONTROL FOR DC-DC CONVERTER - A DC-DC converter includes a current control stage configured to provide a threshold based on an output voltage, an input voltage, and a reference voltage for the DC-DC converter. An off time control can be configured to receive the threshold and control an off time for the DC-DC converter based on the threshold such that the off time is inversely proportional to the peak current generated by the DC-DC converter. | 2013-11-14 |
20130300384 | ISOLATED SWITCHING MODE POWER SUPPLY AND THE METHOD THEREOF - An isolated switching mode power supply, having: a transformer having a primary winding, a secondary winding and a third winding; a current limit comparator configured to provide a current limit signal based on the current sense signal and the peak current signal; a logic circuit configured to provide a logic control signal based on the frequency control signal and the current limit signal; a startup control circuit configured to generate a startup control signal based on the current sense signal; a load detecting circuit configured to provide a load detecting signal based on the second feedback signal and the switching signal; and a selector configured to provide the logic control signal or the startup control signal based on the load detecting signal. | 2013-11-14 |
20130300385 | CHARGE-PUMP VOLTAGE DIVIDER AND ASSOCIATED CONTROL METHOD - The embodiments of the present invention disclose a charge-pump voltage divider and associated start-up method. The charge-pump voltage divider comprises a start-up circuit that can regulate an inrush current during start up. The start-up circuit comprises a switch, which operates in linear region state during start-up, and operates in switching state after the start-up completes. The charge-pump voltage divider may further comprise a load control switch configured to ensure the start-up is independent of a load current. | 2013-11-14 |
20130300386 | INTEGRATED CIRCUIT DEVICE, VOLTAGE REGULATION CIRCUITRY AND METHOD FOR REGULATING A VOLTAGE SUPPLY SIGNAL - An integrated circuit (IC) device is provided that includes at least one internal voltage regulator arranged to receive a voltage supply signal at a first input thereof, receive a control signal at a second input thereof, regulate the received voltage supply signal in accordance with the received control signal, and provide a regulated voltage supply signal at an output thereof. The IC device further includes at least one voltage regulation power control module operably coupled to the second input of the at least one internal voltage regulator and arranged to provide the control signal thereto. The voltage regulation power control module is further arranged to receive at least one IC device conditional indication, and generate the control signal for the at least one internal voltage regulator based at least partly on an available thermal power budget for the IC device corresponding to the at least one IC device conditional indication. | 2013-11-14 |
20130300387 | METHOD OF FORMING A SEMICONDUCTOR DEVICE AND STRUCTURE THEREOF - A power control circuit and method of formation is provided, which in one embodiment includes a low voltage detection circuit to process a rectified input voltage from at least one alternating current (AC) voltage source and to output a low voltage indication signal upon detection of an initiation of an increase in the rectified input voltage; and a driver circuit configured to receive a signal representative of the low voltage indication signal and, in response, to output a drive signal to the switch control input of the power switch to turn on the power switch. | 2013-11-14 |
20130300388 | SYSTEM AND METHOD OF PREDICTIVE CURRENT FEEDBACK FOR SWITCHED MODE REGULATORS - A predictive current feedback system for a switched mode regulator including a sample and hold network for sampling voltage across a lower switch of the regulator and for providing a hold signal indicative thereof, and a predictive current feedback network which adds an offset adjustment to the hold signal based on a duration of a pulse width of a pulse control signal developed by the regulator. Sampling may be done while the lower switch is on for providing a hold value indicative of inductor current while the pulse control signal is low. The offset adjustment may be added to the hold signal in response to a transient event when the pulse signal is high. The offset may be incremental values after each of incremental time periods after a nominal time period, or may be a time-varying value. Adjustment may be made while the pulse signal is low as well. | 2013-11-14 |
20130300389 | REGULATOR CIRCUIT - A regulator circuit includes a comparator configured to compare a feedback voltage obtained by dividing an output voltage with a reference voltage to output a comparison signal; a controller configured to control an electric potential of an internal node according to the comparison signal; a current supply unit configured to increase an electric potential of an output node by applying a pump voltage received from a pump circuit according to the electric potential of the internal node; and a discharge unit configured to reduce the potential of the output voltage by discharging the electric potential of the output node according to the electric potential of the internal node. | 2013-11-14 |
20130300390 | SWITCH CONTROL CIRCUIT, COUPLED INDUCTOR BOOST CONVERTER INCLUDING THE SAME, AND DRIVING METHOD OF THE COUPLED INDUCTOR BOOST CONVERTER - The present invention related to a switch control circuit, a coupled inductor boost converter including the same, and a driving method thereof. The coupled inductor boost converter includes a first inductor connected between an input voltage and a first node, a second inductor connected between the first node and a second node, and a power switch connected between the first node and a ground, and a switch control circuit. The switch control circuit receives a voltage of the second node and turn on the power switch by using the voltage of the second node at a time when a voltage of the first node becomes a zero voltage. | 2013-11-14 |
20130300391 | CONTROLLER, CONTROLLING METHOD, AND DIGITAL DC-DC CONVERTER USING THE CONTROLLER AND THE CONTROLLING METHOD - An exemplary embodiment of the present invention generates a plurality of clock signals having a frequency according to an output voltage, a plurality of low clock signals of which frequencies are half of frequencies of the plurality of clock signals, and a phase signal corresponding to the output voltage by subtracting an average phase error from a count signal sampled by being synchronized with a reference clock signal from the count result of a first clock signal having the earliest phase among the plurality of clock signals. The average phase error is generated according to a comparison result of a first low clock signal corresponding to the first clock signal and each of other low clock signals among the plurality of low clock signals by being synchronized with the reference clock signal. | 2013-11-14 |
20130300392 | SYSTEM AND METHOD OF DYNAMIC DROOP FOR SWITCHED MODE REGULATORS - A regulator system with dynamic droop including a regulator control network which is adapted to control regulation of an output voltage to a reference level, a DC droop network which provides a droop signal to modify the reference level based on output load according to a predetermined DC load line, and a dynamic droop network which adjusts the droop signal to delay recovery to the predetermined DC load line within an AC load line tolerance in response to a load transient. A transient reduction network may be included to reduce transient overshoot for load insertion or release depending upon duty cycle type. The dynamic droop network adjusts the droop signal to optimize utilization of an AC delay parameter while transitioning between an AC offset voltage allowance and the predetermined DC load line. | 2013-11-14 |
20130300393 | CIRCUIT OF OUTPUTTING TEMPERATURE COMPENSATION POWER VOLTAGE FROM VARIABLE POWER AND METHOD THEREOF - Disclosed herein are a circuit of outputting a temperature compensation power voltage from variable power and a method thereof, the circuit including: a regulator circuit unit converting the variable power into a predetermined voltage desired by a system; a resistance compensation circuit unit provided at an output terminal of the regulator circuit unit, and compensating for a change in resistance value due to the temperature change; and a temperature sensor sensing a change in surrounding temperature of an electronic circuit system employing the regulator circuit unit and supplying an output value corresponding to the sensed temperature change to the resistance compensation circuit unit, to thereby allow the resistance compensation circuit unit to compensate for the change in resistance value due to the temperature change. | 2013-11-14 |
20130300394 | CURRENT SLOPE CONTROL METHOD AND APPARATUS FOR POWER DRIVER CIRCUIT APPLICATION - A low side driver includes a first transistor coupled in series with a second transistor at a low side voltage node for a load. A capacitance is configured to store a voltage and a voltage buffer circuit has an input coupled to receive the voltage stored by the capacitance and an output coupled to drive a control node of the second transistor with the stored voltage. A current source supplies current through a switch to the capacitance and the input of the voltage buffer circuit. The switch is configured to be actuated by an oscillating enable signal so as to cyclically source current from the current source to the capacitance and cause a stepped increase in the stored voltage which is applied by the buffer circuit to the control node of the second transistor. | 2013-11-14 |
20130300395 | ACCESSORY DETECTION OVER TEMPERATURE - This document discusses, among other things, apparatus and methods configured to accurately identify accessories coupled to mobile electronic devices over a wide range of temperature, In an example, an apparatus can include a reference voltage generator configured to provide a reference voltage, a comparator configured to compare the reference voltage to a voltage across an accessory-resistor, a current supply configured to be coupled to the accessory resistor and to provide the voltage to the comparator using the accessory resistor. The current supply can include a first sense resistor having a first temperature dependency and a second sense resistor having a second temperature dependency. In an example, the second temperature dependency can be configured to compensate for at least a portion of the first temperature dependency. In an example, at least one of the first or second temperature dependencies can be configured to control a temperature dependency of the apparatus. | 2013-11-14 |
20130300396 | Start-up Circuit and Bandgap Voltage Generation Device - A start-up circuit for activating a bandgap voltage generation circuit is disclosed. The bandgap voltage generation circuit includes a bandgap input end, a first bandgap output end and a second bandgap output end. The start-up circuit includes a comparator having a first input end coupled to the first bandgap output end, a second input end coupled to the second bandgap output end, and an output end for outputting an output voltage, a first transistor including a gate coupled to the bandgap input end, a first source/drain coupled to a first system voltage, where a voltage of the gate is generated according to the output voltage, and a first resistor having an end coupled to a second source/drain of the first transistor, another end coupled to a second system voltage. | 2013-11-14 |
20130300397 | POWER CONVERTER - In a power converter, a reference signal generator generates a reference signal with a predetermined period. A current detector detects a current flowing in the converter. When a value of the detected current is larger than a value of a predetermined current command, a reset signal generator generates a reset signal. A driving unit drives a switch. The switch is turned on, and subsequently is turned off: (i) in synchronization with the reference signal when the reset signal is not outputted before the reference signal is outputted; and (ii) in synchronization with the reset signal when the reset signal is outputted before the reference signal is outputted. However, the switch is turned off in synchronization with the reset signal during a predetermined time including a first predetermined time before an output timing of the reference signal and a second predetermined time after the output timing of the reference signal. | 2013-11-14 |
20130300398 | DISCHARGE TEST CIRCUIT FOR TESTING WHETHER THERE IS CURRENT ON A CIRCUIT BOARD - An exemplary discharge test circuit for testing whether there is current on a circuit board includes a comparison module, a switch module, a control module and a display module. The comparison module receives a first direct current (DC) voltage from the circuit board, compares the first DC voltage with a reference voltage, and outputs a switch signal according to a result of the comparison. The switch module receives the switch signal, and output a control signal accordingly. The control module receives the control signal, determines a status of the circuit board according to the control signal, and outputs a display signal corresponding to the status of the circuit board. The display module receives the display signal, and displays whether there is current on the circuit board according to the display signal. | 2013-11-14 |
20130300399 | SIGNAL SWITCHING DEVICE AND ELECTRONIC APPRATUS USING THE SAME - A signal switching device connected between at least one electronic device and a testing device includes a switching module and a control unit connected to the switching module. Each electronic device is capable of outputting a first signal and a second signal. The switching module is connected to each electronic device. When the switching device is in a first state, the switching module receives the first signal, and the control unit controls the switching module to transmit the first signal to the testing device. When the switching module is in a second state, the switching module receives the second signal, and the control unit controls the switching module to transmit the second signal to the testing device. | 2013-11-14 |
20130300400 | SYNCHRONOUS RECTIFICATION CIRCUIT AND ASSOCIATED ZERO-CROSSING DETECTION METHOD - The embodiments of the present invention disclose a synchronous rectification circuit and associated zero-crossing detection method. The synchronous rectification circuit includes a synchronous rectifier having a source, a drain, and at least two gates. The synchronous rectifier having N MOS cells connected in parallel, wherein N is an integer greater than or equal to 2. Through comparing a voltage signal across the drain and the source of the synchronous rectifier with a first and a second threshold voltage, part of the N MOS cells is turned off once the voltage signal is equal to the first threshold voltage, and the left part of the N MOS cells is turned off once the voltage signal is equal to the second threshold voltage. Thus, the accuracy of zero-crossing detection is improved. | 2013-11-14 |
20130300401 | Sensor Apparatus, in Particular Metal Sensor, with a Field-Compensated Magnetic Field Sensor - A sensor apparatus, in particular a metal sensor, has at least two coils and a magnetic field sensor. The arrangement of coils and magnetic sensor with respect to one another and/or the number of coil turns and/or the winding sense of the coils and/or the coil current is/are selected such that the magnetic field generated by the coils approximately disappears at the location of the magnetic field sensor. A method for detecting objects, in particular a method for finding metal objects, uses at least two coils and a magnetic field sensor, particularly an AMR, GMR or Hall sensor. The arrangement of the coils and the magnetic sensor with respect to one another and/or the number of coil turns and/or the winding sense of the coils and/or the coil current is/are selected such that the magnetic field generated by the coils approximately disappears at the location of the magnetic field sensor. | 2013-11-14 |
20130300402 | METHOD AND STRUCTURE FOR TESTING AND CALIBRATING THREE AXIS MAGNETIC FIELD SENSING DEVICES - A structure and method are provided for self-test of a Z axis sensor. Two self-test current lines are symmetrically positioned adjacent, but equidistant from, each sense element. The vertical component of the magnetic field created from a current in the self-test lines is additive in a flux guide positioned adjacent, and orthogonal to, the sense element; however, the components of the magnetic fields in the plane of the sense element created by each of the two self-test current line pairs cancel one another at the sense element center, resulting in only the Z axis magnetic field being sensed during the self-test. | 2013-11-14 |