46th week of 2014 patent applcation highlights part 19 |
Patent application number | Title | Published |
20140333176 | Vibration limit switch - A vibration limit switch with a membrane, which can be set into oscillation, and a drive unit for setting the membrane into oscillation and/or for detecting an oscillation of the membrane, with the drive unit comprising at least one electromagnetic drive and one Piezo-electric drive. | 2014-11-13 |
20140333177 | PROTECTED RESONATOR - A bulk acoustic wave resonator structure that isolates the core resonator from both environmental effects and aging effects. The structure has a piezoelectric layer at least partially disposed between two electrodes. The structure is protected against contamination, package leaks, and changes to the piezoelectric material due to external effects while still providing inertial resistance. The structure has one or more protective elements that limit aging effects to at or below a specified threshold. The resonator behavior is stabilized across the entire bandwidth of the resonance, not just at the series resonance. Examples of protective elements include a collar of material around the core resonator so that perimeter and edge-related environmental and aging phenomena are kept away from the core resonator, a Bragg reflector formed above or below the piezoelectric layer and a cap formed over the piezoelectric layer. The resonator structure is suspended in a cavity in a cap structure. | 2014-11-13 |
20140333178 | Piezoelectric Vibrator - Disclosed is piezoelectric vibrator including a piezoelectric vibrator unit. The piezoelectric vibrator has a vibrating portion, a mass attached on the vibrating portion and having an connecting portion attached on the vibrating portion and at least one extending portion extending from the connecting portion and away from the vibrating portion, and a holder having a stopping portion disposed between the extending portion of the mass and the vibrating portion. A distance from the extending portion to the at least one stopping portion is less than the amplitude of the vibration portion for limiting the vibrating portion and avoiding excessive amplitude of the vibrating portion. | 2014-11-13 |
20140333179 | VIBRATION GENERATING APPARATUS - There is provided a vibration generating apparatus including: a piezoelectric element fixedly attached to a vibration transfer member and expanded and contracted in a direction from an inner surface thereof toward an outer surface thereof or in a direction from the outer surface thereof toward the inner surface thereof when power is applied thereto; and a vibration element connected to the piezoelectric element to vibrate. | 2014-11-13 |
20140333180 | PIEZOELECTRIC ACTUATION DEVICE - THIS invention relates to a piezoelectric actuation device and more particularly but not exclusively, to a piezoelectric actuation device with three piezoelectric actuator sets. The device includes a first clamp arrangement being displaceable between an engaged position and a disengaged position and a second clamp arrangement being displaceable between an engaged position and a disengaged position. The device also includes an actuation arrangement being displaceable between a first condition and an inverse second condition; and force transmission means for transmitting a force to a load applied thereto, with the force transmission means being coupled to the actuation arrangement. The device is characterized in that the actuation arrangement displaces the force transmission means when it is displaced from the first condition to the second condition, and also displaces the same force transmission means when it is displaced from the second condition to the first condition within a single actuating cycle. | 2014-11-13 |
20140333181 | Haptic Feedback Device - Disclosed is a haptic feedback device. The device includes a first frame, a second frame connected with the first frame, a display mounted in the first frame, an actuator for driving the display to vibrate thereby generating sound, and a connecting unit for connecting the first frame and the second frame. | 2014-11-13 |
20140333182 | ULTRASONIC GENERATOR - An ultrasonic generator that is capable of increasing output sound pressure is provided. | 2014-11-13 |
20140333183 | PIEZOELECTRIC DEVICE AND METHOD FOR MANUFACTURING SAME - A resin is provided so as to cover four side faces of a piezoelectric multilayer body integrally and thus is effectively prevented from peeling from the piezoelectric multilayer body, whereby high adhesion is attained between the piezoelectric multilayer body and the resin. At the same time, the resin covers dicing surfaces in the side faces of the piezoelectric multilayer body, thereby effectively restraining the piezoelectric body and the electrodes from producing particles. | 2014-11-13 |
20140333184 | NANOPOROUS PIEZOELECTRIC POLYMER FILMS FOR MECHANICAL ENERGY HARVESTING - Piezoelectric materials based on nanoporous polymer foams are provided. Also provided are nanogenerators incorporating the piezoelectric materials, piezoelectric energy harvesters incorporating the nanogenerators and methods of making and using the same. The piezoelectric materials comprise a unitary nanoporous matrix composed of a piezoelectrically active organic polymer, in which the pores are interconnected and have nanoscale diameters. | 2014-11-13 |
20140333185 | THERMOSTAT CLAMP FOR ELECTRIC MOTORS - An electric motor assembly including a housing, a rotor, a stator supported in the housing, the stator having a plurality of individual windings, at least one thermostat for monitoring a temperature of at least one winding, and a thermostat clamp interposed between adjacent windings of the stator, the thermostat confined between the thermostat clamp and at least one winding. | 2014-11-13 |
20140333186 | MOUNTING APPARATUS - A mounting apparatus includes a panel cage, a first securing member securing a first LCD, a second securing member securing a second LCD, and a cover secured to the panel cage. One of the first securing member and the second securing member is alternatively secured to the panel cage. When the first securing member is secured to the panel cage, the first LCD is located between the first securing member and the cover. When the second securing member is secured to the panel cage, the second LCD is located between the panel cage and the second securing member. | 2014-11-13 |
20140333187 | COOLING SYSTEMS AND HEAT EXCHANGERS FOR COOLING COMPUTER COMPONENTS - Computer systems having heat exchangers for cooling computer components are disclosed herein. The computer systems include a computer cabinet having an air inlet, an air outlet spaced apart from the air inlet, and a plurality of computer module compartments positioned between the air inlet and the air outlet. The air inlet, the air outlet, and the computer module compartments define an air flow path through the computer cabinet. The computer systems also include a heat exchanger positioned between two adjacent computer module compartments. The heat exchanger includes a plurality of heat exchange elements canted relative to the air flow path. | 2014-11-13 |
20140333188 | FILE STORAGE CABINET - A cabinet for the storage of files, books or papers comprising a floor panel, a vertically-arranged back panel fixed to the rear edge of said floor panel, vertically-arranged side panels fixed to the side edges of both said floor and back panels, a plurality of divider panels fixed to said floor and back panels and positioned parallel to and intermediate of said side panels, and a roof panel fixed to said side panels, said divider panels and said back panel; locating and releasable fixing means being provided along each panel edge abutting another panel; zones of said side and divider panels being provided with ribbing to stiffen them; the lower surfaces of said floor panel and upper surfaces of said roof panel being made with complementary shapings which cooperate to provide a locating function when multiple said cabinets are in stacked arrangement. | 2014-11-13 |
20140333189 | COLORPOINT PROCESS - An apparatus and method for creating a realistic granite or other pattern on a substrate, such as a sink, bath, or piece of furniture. The apparatus and method may use gelcoat to create a regular or irregular pattern. The apparatus may use pressurized air or gear pumps to pump paint from tanks to a spraying device. | 2014-11-13 |
20140333190 | INTEGRATED CONTROL SYSTEM FOR SERVICE DISTRIBUTION CAR USING WIRELESS COMMUNICATIONS AND SERVICE DISTRIBUTION CAR - Disclosed is a service distribution car including a heating cabinet and a cooling cabinet for providing meals, the service distribution car including: a body comprising a temperature controller for controlling a temperature of receiving space having the heating cabinet and the cooling cabinet; a plurality of driving wheels fixed to lower portions of the body and coupled to a driving unit for supplying rotating power; and a controller installed on a front surface of the body to control forward and rearward movement, a speed, and set temperatures of the service distribution car and to decelerate or stop the service distribution car when an abnormal travel situation or an emergency stop situation of the service distribution car occurs. | 2014-11-13 |
20140333191 | REFRIGERATOR - A refrigerator includes a body, a first door rotatably coupled to one side of the body, and a second door rotatably coupled to the other side of the body. Both the first door and the second door having pocket portions disposed at rear sides of the doors so as to store food. A first upper hinge and a first lower hinge rotatably support the first door and a second upper hinge and a second lower hinge rotatably support the second door and a strength of the first lower hinge and a strength of the second lower hinge are different from each other. | 2014-11-13 |
20140333192 | HIGH PRESSURE DISCHARGE LAMP WITH MULTIPLE ARC TUBES - A long life high pressure arc discharge lamp configuration is disclosed. In some embodiments, the lamp includes a first non-cycling high pressure arc tube having a first ignition aid and a second arc tube electrically connected in parallel to the first arc tube. A lamp envelope is provided about the first and second arc tubes. In some cases, each of the first and second arc tubes is a non-cycling high pressure sodium arc tube, and each is configured with an ignition aid strip running lengthwise down the corresponding arc tube. In some cases, the first and second arc tubes are oriented such that their respective ignition aid strips are effectively 180 degrees+/−90 degrees away from each other, or so that their respective ignition aid strips are effectively 180 degrees+/−5 degrees away from each other. In some such, the second arc tube is a low-pressure arc tube. | 2014-11-13 |
20140333193 | GLASS LED LIGHT BULBS - A glass LED bulb, which includes a body of glass, the body having at least one hollow portion, and at least one LED contained within the at least one hollow portion. A thermally conductive material is preferably included within the at least one hollow portion. The body of glass can be bulb-shaped or alternatively shaped like an incandescent bulb. | 2014-11-13 |
20140333194 | LIGHT SOURCE DEVICE AND FILAMENT - A light source device comprising a filament showing high electric power-to-visible light conversion efficiency is provided. A light source device comprising a translucent gastight container, a filament disposed in the translucent gastight container, and a lead wire for supplying an electric current to the filament is provided. The filament comprises a substrate formed from a metal material and a visible light reflectance-reducing film coating the substrate for reducing visible light reflectance of the substrate. The reflectance of the substrate for visible lights is thereby made low, and the reflectance of the substrate for infrared lights is thereby made high. Therefore, radiation of infrared lights is suppressed, and visible luminous efficiency can be enhanced. | 2014-11-13 |
20140333195 | SPARK PLUG - A spark plug includes a center electrode, an insulator, a metallic shell, and a ground electrode which has a noble metal tip at the other end portion. A gap is formed between a forward end portion of the center electrode and a discharge surface of the noble metal tip. When an acute angle formed by the forward end surface and the discharge surface is θ1, a point on the forward end surface closest to the noble metal tip is A, opposite ends of the discharge surface are B1 and B2, and an angle formed by a first line segment connecting A and B1 and a second line segment connecting A and B2 is θ2, 35°≦θ1≦55°, 85°≦θ2≦90°, and the difference in length between the first and second line segments is equal to or less than 10% of the longer line segment. | 2014-11-13 |
20140333196 | UV BULB CONFIGURATION - A UV light and socket assembly having a pin and hole arrangement with a central pin and corresponding hole with peripheral pins and corresponding holes arranged approximately 120 degrees from each other from the central pin and opening. The light and socket assembly including a locating projection and corresponding locating opening that receives the projection that is positioned so as to be aligned with one of the peripheral pin and openings and the central pin and opening. | 2014-11-13 |
20140333197 | Compositions of Mercury Isotopes for Lighting - Described herein is a mercury sample that has an isotopic composition that differs from the naturally occurring distribution of isotopes. In various configurations of an isotopically tailored mercury sample, the fraction of one or more isotopes is increased or decreased with respect to the natural fraction(s). A example of a lighting device comprises an envelope, a buffer gas enclosed within the envelope, a isotopically tailored sample of mercury vapor, and a current injection mechanism configured to excite the mercury vapor to emit light. In various configurations, the lighting device emits radiation at a wavelength of 254 nm and/or at a wavelength of 185 nm. In various configurations, the lighting device envelope includes a fluorescent coating that is excited by ultraviolet (UV) light emitted by the mercury vapor. In various configurations, the lighting device provides improved efficiency as compared to lamps employing mercury with a naturally occurring isotope distribution. | 2014-11-13 |
20140333198 | Light Emitting Device - A light emitting device includes a light emitting diode (LED); a transparent optic having a refractive index n | 2014-11-13 |
20140333199 | LED DEVICE AND PREPARATION METHOD THEREOF - The present invention provides a light-emitting diode (LED) device and a method for manufacturing the same. The LED device comprises: a substrate ( | 2014-11-13 |
20140333200 | OPTIMIZED HID ARC TUBE GEOMETRY - The geometry of a High Intensity Discharge (HID) arc tube is controlled to improve lamp color control and temperature distribution. In some embodiments, conical sections located at the transition zones near the electrodes are included to provide tunnel-like body-leg interface portions. The body-leg interface portions are shaped so as to advantageously control the temperature distribution along the internal surface of the discharge chamber wall so that it monotonically decreases resulting in a stable local cold spot location at the body-leg interface. | 2014-11-13 |
20140333201 | METHOD AND CONTROL UNIT FOR ADJUSTING A LUMINOSITY OF AT LEAST ONE HEADLIGHT OF A VEHICLE - A method for adjusting a luminosity of at least one headlight of a vehicle is described. The method includes a step of ascertaining an illumination intensity, the illumination intensity representing light that is incident at the vehicle. Furthermore, the method includes a step of determining a setpoint value for the luminosity while using the illumination intensity, the setpoint value being adjusted if the illumination intensity rises. The method also includes a step of providing a control signal for setting the luminosity of the at least one headlight while using the setpoint value. | 2014-11-13 |
20140333202 | SPOT MODE OPERATION FOR A DISCHARGE LAMP - A lighting device and a method for operating a discharge lamp ( | 2014-11-13 |
20140333203 | RED EMITTING PHOSPHOR FOR PLASMA DISPLAY PANELS AND GAS DISCHARGE LAMPS - The invention provides a lighting unit ( | 2014-11-13 |
20140333204 | LED BACKLIGHT DRIVING CIRCUIT, LCD DEVICE, AND METHOD FOR DRIVING THE LED BACKLIGHT DRIVING CIRCUIT - A light emitting diode (LED) backlight driving circuit includes an LED light bar, a power supply that drives the LED light bar to light, a short-circuit protection unit, and a divider resistor. An output end of the LED light bar is coupled to the short-circuit protection unit and the divider resistor. The short-circuit protection unit includes a comparing unit and a driving unit coupled to the comparing unit. Voltage of two ends of the divider resistor is regarded as a feedback voltage, and the feedback voltage and a first reference voltage are input to the comparing unit. When a difference value of the first reference voltage subtracted from the feedback voltage is greater than a preset deviation value; the driving unit controls the power supply to turn off. When brightness of one normal LED light bars reaches a maximum, the first reference voltage is greater than or equal to voltage of two ends of the divider resistor corresponding to the one normal LED light bar. | 2014-11-13 |
20140333205 | STABILIZATION CIRCUIT FOR LOW-VOLTAGE LIGHTING - An electronic transformer stabilization circuit includes a detection circuit and a reactive load. The detection circuit may be configured to receive a transformer output or a transformer signal derived from the transformer output. The detection circuit may determine whether the transformer that generated the transformer output is an electronic transformer. The determination may be made based on the presence of absence of high frequency components in the transformer output. Responsive to determining that an electronic transformer generated the transformer output, the stabilization circuit may operate a switch to connect the reactive load across an output of the transformer. The reactive load may include an inductor and may be configured to draw a stabilization current from the transformer. The stabilization current may ensure that the total current drawn from the transformer exceeds an oscillation current required to maintain reliable operation of the electronic transformer. | 2014-11-13 |
20140333206 | SYSTEM AND METHOD FOR COMMISSIONING LIGHTING USING SOUND - A system and methods for automatically commissioning electrical fixtures using sound are disclosed. Electrical fixtures ( | 2014-11-13 |
20140333207 | LIGHTING SYSTEM AND METHOD OF RETRIEVING STATUS INFORMATION OF A LIGHTING SYSTEM - A method of retrieving status information of a lighting system includes propagating a command signal from a controller to a node of the lighting system by operating upstream transceivers that are upstream of the node in a transmitting mode and operating downstream transceivers that are upstream of the node in a receiving mode; propagating a reply signal including the status information of the LED unit of the node from the node to the controller by operating the upstream transceivers that are upstream of the node in a receiving mode and operating each of the downstream transceivers upstream of the node in a transmitting mode and reversing an operating mode of an upstream transceiver of a network segment from operating in a transmitting mode to operating in a receiving mode only when the downstream transceiver is operating in transmitting mode. | 2014-11-13 |
20140333208 | LAMP COLOR MATCHING AND CONTROL SYSTEMS AND METHODS - Some embodiments include a method of generating a color mixing plan for a light module. The method can include: generating a color mixing plan based on manufacturer specification of light emitting diodes (LEDs) in a lighting node; selecting constraints for the LEDs based on electrical or physical properties of the LEDs; adjusting the color mixing plan for the LEDs by stepping through possible combinations of luminous flux for each of the LEDs and evaluating performance of the LEDs based on the constraints; and storing the color mixing plan in a memory of the lighting node. | 2014-11-13 |
20140333209 | INTELLIGENT ILLUMINATION CONTROL METHOD, APPARATUS, AND SYSTEM - Disclosed are an intelligent illumination control method, apparatus, and system. The method includes a step of obtaining at least one image of a predetermined lighting area captured by at least one stereo camera; a step of determining, based on the at least one image, one or more target illuminance values of the predetermined lighting area; and a step of determining, based on the one or more target illuminance values, a dimming level of at least one illumination apparatus so that the at least one illumination apparatus works according to the determined dimming level. | 2014-11-13 |
20140333210 | AUTOMATIC CONFIGURATION OF A LOAD CONTROL DEVICE - A load control system for controlling an electrical load may include a sensor, a remote control, and a load control device. The remote control may comprise a button and may be configured to wirelessly transmit a digital message in response to an actuation of the button. The load control device may be configured to control the electrical load, be responsive to the sensor, and/or be configured to be associated with the remote control. The load control device may be responsive to the digital message transmitted by the remote control if the remote control is associated with the load control device. The load control device may be configured to automatically operate in a first mode of operation if the remote control is not associated with the load control device, and automatically operate in a second mode of operation if the remote control is associated with the load control device. | 2014-11-13 |
20140333211 | INFORMATION PROCESSING APPARATUS, AND METHOD - The present technique relates to an information processing apparatus and a method capable of realizing a communication tool of a new mode. | 2014-11-13 |
20140333212 | PIXEL CIRCUIT AND DISPLAY DEVICE - A pixel circuit able to prevent a spread of the terminal voltages of drive transistors inside a panel and in turn able to reliably prevent deterioration of uniformity, wherein a source of a TFT serving as a drive transistor is connected to an anode of a light emitting element, a drain is connected to a power source potential, a capacitor is connected between a gate and source of the TFT, and a source potential of the TFT is connected to a fixed potential through a TFT serving as a switch transistor and wherein pixel circuit lines are connected by an upper line and bottom line and are arranged in parallel with pixel circuit power source voltage lines so as not to have intersecting parts. | 2014-11-13 |
20140333213 | FIELD EMISSION DEVICE WITH AC OUTPUT - A field emission device is configured as a heat engine with an AC output. | 2014-11-13 |
20140333214 | PIXEL CIRCUIT AND DRIVING METHOD THEREOF - A pixel circuit including a light emitting element outputting a gray scale based on a current supplied thereto, a first transistor configured to control an amount of current supplied to the light emitting element based on a gray scale data voltage supplied to a gate electrode of the first transistor, a second transistor connected between the gate electrode of the first transistor and an initialization voltage, a third transistor connected between the gate electrode of the first transistor and a first terminal of the first transistor; a fourth transistor connected between the first terminal of the first transistor and the light emitting element, and a fifth transistor connected between a second terminal of the first transistor and a data line. The data line is selectively supplied with the gray scale data voltage and a power supply voltage for light emitting of the light emitting element to the fifth transistor. | 2014-11-13 |
20140333215 | MULTI-SEGMENT LED DRIVING CIRCUIT - Disclosed is a multi-segment LED driving circuit used in an AC operating mode for outputting a drive current to drive a plurality of serially connected LED strings. The LED driving circuit includes at least one detection part, at least one comparison part and at least one adjusting part. The detection part detects an input voltage and an output voltage at both ends of each string and its next string to form a detected value provided for the comparison part to compare the detected value with a reference value to turn on or off the adjusting part so as to control the strings through which the drive current passes and then sequentially drives the strings to emit light. The LED driving circuit can adjust the load of the circuit immediately based on the change of voltage value of the AC power to ensure the stability of the drive current. | 2014-11-13 |
20140333216 | MULTI-STRING DIMMABLE LED DRIVER - An apparatus includes a first LED driver configured to control a first string of LEDs, a second LED driver configured to control a second string of LEDs, a third LED driver configured to control a third string of LEDs, and a control circuit configured to receive a control signal and to control the first, second, and third LED drivers so that the first, second, and third strings of LEDs cooperate in producing light according to the control signal and a color curve. | 2014-11-13 |
20140333217 | FEEDBACK CONTROL CIRCUIT AND LED DRIVING CIRCUIT - A feedback control circuit, adapted to control a converting circuit to transform an input power into an output voltage for driving an LED module. The feedback control circuit comprises a detection circuit, a PWM circuit, a PWM logic control circuit and a PWM control circuit. The detection circuit is coupled to at least one LED string of the LED module and generates at least one detection signal. The PWM circuit comprises a capacitance, a charging circuit and a discharging circuit, and determines a capacitance voltage of the capacitance to increase, decrease, or maintain. The PWM logic control circuit compares a level of the least one detection signal with a high reference level and a low reference level to control the PWM circuit to adjust the capacitance voltage. The PWM control circuit controls the converting circuit to execute the power transformation in response to the capacitance voltage of the capacitance. | 2014-11-13 |
20140333218 | LED LIGHT STRING WITH OPEN CIRCUIT PROTECTION - An LED light string with open circuit protection has a first end for receiving a first voltage, a second end for receiving a second voltage, and multiple LED units connected in series between the first end and the second end. Each of the LED units has multiple LEDs and at least one by-pass resistor connected in parallel. Even when the LEDs of the same LED unit all fail, a current from the first end to the second end can still flow through all the LED units via the by-pass resistors to drive the remaining normal LED units. | 2014-11-13 |
20140333219 | LED LIGHTING UNIT WITH COLOR AND DIMMING CONTROL - Method and apparatus for a LED lighting unit ( | 2014-11-13 |
20140333220 | LIGHT EMITTING DIODE DRIVER - A driver circuit for driving light emitting diodes (LEDs). The driver circuit includes a string of LEDs divided into n groups and the n groups of LEDs is electrically connected to each other in series, where a downstream end of group m−1 is electrically connected to the upstream end of group m. The driver circuit also includes a power source coupled to an upstream end of group 1 and provides an input voltage. The driver circuit further includes current regulating circuits, where each of the current regulating circuits is coupled to the downstream end of the corresponding group at one end and coupled to a ground at the other end. Each of the current regulating circuits includes a sensor amplifier and a cascode having first and second transistors. The driver circuit also includes detectors, where each of the detectors detects a source voltage of the first transistor. | 2014-11-13 |
20140333221 | LED LIGHT UNIT AND METHOD OF OPERATING AN LED LIGHT UNIT - An LED light unit, in particular for a passenger transport vehicle, such as an aircraft, a road vehicle, a ship or a rail car, is disclosed that has at least one LED and is configured to be used with a high intensity discharge lamp power supply that is adapted to monitor its output behavior. The LED light unit comprises a power input coupleable to the high intensity discharge lamp power supply, a capacitor switchably coupled to the power input for absorbing electrical energy from the high intensity discharge lamp power supply, and a power dissipating element switchably coupled to the power input for dissipating electrical energy from the high intensity discharge lamp power supply. | 2014-11-13 |
20140333222 | METHODS, SYSTEMS, AND APPARATUS FOR PROVIDING VARIABLE ILLUMINATION - Digital Control Ready (DCR) is a two-way open standard for controlling and managing next-generation fixtures. A DCR-enabled lighting fixture responds to digital control signals from a separate digital light agent (DLA) instead of analog dimming signals, eliminating the need for digital-to-analog signal conditioning, fixture-to-fixture variations in response, and calibration specific to each fixture. In addition, a DCR-enabled lighting fixture may also report its power consumption, measured light output, measured color temperature, temperature, and/or other operating parameters to the DLA via the same bidirectional data link that carries the digital control signals to the fixture. The DLA processes these signals in a feedback loop to implement more precise lighting control. The DCR-enabled lighting fixture also transforms AC power to DC power and supplies (and measures) DC power to the DLA via a DCR interface. These features enable intelligent, networked DCR lighting systems operate with lower power (energy) consumption, greater flexibility, and simpler installation than other intelligent lighting networks. | 2014-11-13 |
20140333223 | DIMMABLE LED LIGHT UNIT AND METHOD OF REPLACING A LIGHT UNIT - A dimmable LED light unit, in particular for a passenger transportation vehicle, such as an aircraft, a road vehicle, a ship or a rail car, is disclosed that comprises a power input adapted to receive electrical power from a power source, at least one LED, and an LED drive and control module coupled between the power input and the at least one LED, wherein the LED drive and control module is adapted to receive an LED control signal indicative of a desired light intensity of the dimmable LED light unit. | 2014-11-13 |
20140333224 | SWITCHED MODE POWER CONVERTER AND METHOD OF OPERATING THE SAME - A switched mode power converter is disclosed, together with a method for operating the same. The power converter is adapted to be operable in the boundary conduction mode, and operation is interruptible in the absence of any load requirement. | 2014-11-13 |
20140333225 | LIGHT EMITTING DEVICE AND SYSTEM - Devices comprise first and second terminals ( | 2014-11-13 |
20140333226 | MR16 GU5.3 DIMMABLE LAMP - A light source for producing variable illumination coupled to at least one device includes a light chip assembly, and an LED driver module. The light chip assembly includes multiple LEDs on a silicon substrate, a heat-sink coupled to the light chip assembly, the silicon substrate being coupled to an inner core region of the heat-sink via a thermally conductive adhesive. The LED driver module includes housing, a load stabilization LED driver circuit within the housing, the load stabilization LED driver circuit being configured to drive the light chip assembly, a printed circuit coupled to the load stabilization LED driver circuit and a power supply for providing an alternating current. | 2014-11-13 |
20140333227 | Light Source Module, Light Source Module Driving Circuit and Driving Method - The present invention discloses a light source module, a light source module driving circuit and a driving method. The driving circuit comprises: a power supply, which provides input voltage; a control signal generating circuit, which inputs the input voltage provided from the power supply and outputs an enable signal and a dimming signal; a driving chip, which is connected with the power supply and connected to the enable signal and the dimming signal output from the control signal generating circuit, driving the light source of the light source module according to the enable signal and the dimming signal. Through the above way, the present invention utilizes the input voltage to generate the enable signal and the dimming signal. Therefore, it only needs to provide external input voltage to control the light source module in operation, which makes the control more convenient and reliable. | 2014-11-13 |
20140333228 | DIMMER DETECTOR FOR BLEEDER CIRCUIT ACTIVATION - A circuit to be utilized for an LED driver bleeder activation. The circuit comprises a circuit block for timing a duration of any removed portion of a rectified line signal. The input of the circuit to be coupled to receive the phase controlled rectified line signal through a voltage divider. Comparing the divided rectified line signal with a threshold voltage and output a comparison result. A timer coupled to the comparator and responsive to the comparison result to time the duration of the removed portion of the rectified line signal and activate the bleeder activation circuitry to turn on the switching element of the bleeder to sink a controlled current from the input line. | 2014-11-13 |
20140333229 | DRIVER SYSTEM FOR DRIVING AT LEAST ONE LED - A driver system for driving at least one LED, the driver system includes an LED driver including a current source connected to the at least one LED for providing an LED drive current to the at least one LED, and a control module for controlling a flow of the LED drive current through the at least one LED. The driver system further includes a power supply having a power output terminal connected to a power input terminal of the current source for providing an electrical power to the current source. The control module includes a control signal output connected to a control signal input of the power supply for controlling an operation of the power supply. | 2014-11-13 |
20140333230 | Device for recovering, storing and retrieving electricity for a handling door - The device for recovering, storing and retrieving electricity from the decelerations of an electromechanical system such as a flexible curtain of a handling door is made up of a management interface (IG) connected to a frequency inverter (VF) and to a control logic board (CC) controlling the opening and closing of the flexible curtain of a handling door, the management interface (IG) including at least two power capacitors (C | 2014-11-13 |
20140333231 | OPERATING METHOD OF A POWER SUPPLY AND COMMUNICATION ENTITY AND AN ACTUATOR INTENDED TO BE PART OF A HOME-AUTOMATION SYSTEM - Method of operating a power supply and communication entity intended to form part of a system with at least one home-automation actuator comprising an electric motor for driving a movable element in a building, the power supply and communication entity comprising two electrical terminals for linking to the actuator, making it possible to power the actuator and allowing communication between the actuator and the power supply and communication entity, the method comprising two mutually exclusive modes of operation, a command execution mode and a communication mode, to each mode of operation there corresponding a specific power supply signal, the method comprising the steps: —choice of a mode of operation; —generation between the terminals of a power supply signal specific to the mode of operation chosen. | 2014-11-13 |
20140333232 | METHOD AND APPARATUS FOR CONTROLLING A BUCKET HOIST - A control system for a bucket hoist includes a two-axis master switch configured to generate a first and a second command signal responsive to motion along each axis. Each command signal is provided to one of a pair of motor controllers configured to control one of a pair of motors. The two motors are controlled to raise/lower and open/close the load handling member. When the two-axis master switch is moved to the close position, the closing motor controller is commanded to control its respective motor to begin closing the load handling member. The holding motor controller is configured to generate a current to its respective motor to generate torque at a predefined level. The predefined level of torque is selected such that the load handling member lowers into the material in which it is digging as it is being closed. | 2014-11-13 |
20140333233 | Remote Wireless Motor Control Law Processing System - A method and apparatus for operating an electric motor unit. Information is received from the electric motor unit over a wireless communications link between the controller and the electric motor unit. Commands are identified for the electric motor unit from the information received. The commands identified are sent to the electric motor unit over the wireless communications link. | 2014-11-13 |
20140333234 | MOTOR CONTROL CIRCUIT - In some preferred embodiments, a motor control circuit | 2014-11-13 |
20140333235 | VIBRATOR MOTOR SPEED DETERMINATION IN A MOBILE COMMUNICATIONS DEVICE - One embodiment relates to testing and verifying vibrator motor operation during manufacturing of a device and during in-the-field use. The test relies on an integrated motion sensor or other mechanical measurement circuitry, such as, for example, an accelerometer. In one embodiment, a speed determination for a vibrator motor performance during initial manufacture of the device. Subsequently, when vibration is detected during the in-the-field use, the vibration may be sampled using the integrated mechanical measurement circuitry. Once sampled, a speed may be determined based on a resonance of the sampled signal. Over time, the various speed determinations for the vibrator motor may be analyzed to determine an overall health of the vibrator motor. A threshold for detecting when the overall health of the vibration motor over time has degraded may be predetermined. A notification of a degradation of vibrator motor performance is sent to either a manufacturer or user of the mobile communications device. Other embodiments are described and claimed. | 2014-11-13 |
20140333236 | LINEAR MOTOR DEVICE AND METHOD FOR CONTROLLING LINEAR MOTOR DEVICE - A linear motor device includes a linear motor and a control unit configured to apply a load to a pressurizing object by causing a movable part of the linear motor to move. After causing the movable part to move toward the pressurizing object at a predetermined first speed based on position control, the control unit controls the movable part to move by performing deceleration to a second speed which is slower than the first speed and at which the pressure applied to the pressurizing object is less than or equal to a predetermined pressure when the movable part starts to apply the pressure to the pressurizing object, and the control unit causes the movable part to move until the current flowing through the linear motor is greater than or equal to a predetermined current limit value. | 2014-11-13 |
20140333237 | SHREDDER LOAD OPTIMIZATION SYSTEM AND METHOD - An electrical power load optimization system operable to regulate a power supply to one or more industrial machines so that a load imposed on the power supply by the one or more machines is consistent and fluctuations are minimized. | 2014-11-13 |
20140333238 | SHOVEL - A shovel includes a power storage device, and an electric motor to which electric power is supplied from the power storage device. The power storage device includes a housing; a first power storage module including a plurality of laminated power storage cells stacked in a first direction, a first terminal, and a second terminal and being housed within the housing; a first electrode and a second electrode fixed to the housing; a first relay current path configured to electrically connect the first terminal to the first electrode; and a second relay current path configured to electrically connect the second terminal to the second electrode. The first relay current path includes a distance adjustment structure configured to compensate variations in the distance between the first electrode and the first terminal. | 2014-11-13 |
20140333239 | SHOVEL - A shovel includes a power storage module; and an electric motor driven by electric power stored in the power storage module. The power storage module includes a plurality of cell units stacked to form a stacked structure. Each of the cell units has a power storage cell including a pair of electrode tabs; and a frame body configured to support the power storage cell. Each of the frame bodies has a screw-locking portion formed on a surface facing laterally and outwardly from the stacked structure. The plurality of power storage cells are electrically connected by screw-locking the electrode tabs of the power storage cells to the screw-locking portions. | 2014-11-13 |
20140333240 | SYNCHRONOUS MACHINE CONTROLLER - A synchronous machine controller includes a position detecting unit that detects a position of a rotor, a current detecting unit that detects an armature current, a current command generating unit that generates first and second current commands, a voltage command generating unit that generates a voltage command on the basis of the current commands, the position of the rotor, and the armature current, a power converting unit that outputs a voltage to the synchronous machine on the basis of the voltage command, a magnetic flux estimating unit that estimates an armature interlinkage flux on the basis of a rotational velocity calculated from a variation of the position of the rotor, the voltage command, and the armature current, and a magnet state estimating unit that estimates a magnetic flux or a temperature of the permanent magnet from the position of the rotor, the armature current, and the armature interlinkage flux. | 2014-11-13 |
20140333241 | OPTIMIZED CONTROL FOR SYNCHRONOUS MOTORS - Representative implementations of devices and techniques provide optimized control of a three-phase AC motor. A field oriented control (FOC) arrangement uses optimization components and techniques to improve power efficiency of the motor, with fast control response over a full range of motor speeds. | 2014-11-13 |
20140333242 | SYSTEMS AND METHODS FOR ADAPTIVE MOTOR SPEED CONTROL - A system including memory to store a plurality of sets of values, where each set is used to control speed of a different type of motor. A pulse width modulation (PWM) module receives an input indicating a type of motor sensed in the system, selects a set corresponding to the type of the sensed motor, and generates, based on the selected set, a pulse width modulation signal to control speed of the sensed motor. A speed module receives a requested speed for the sensed motor and generates an output indicating a range of speed corresponding to the requested speed. The PWM module selects, based on the range of speed, a value from the selected set; shifts, based on the selected value, the pulse width modulation signal; and adjusts, based on the shifted pulse width modulation signal, the speed of the sensed motor by adjusting torque applied to the sensed motor. | 2014-11-13 |
20140333243 | MOTOR DRIVE CONTROL DEVICE AND OPERATING METHOD THEREOF - Motor Drive Control Device configured to properly start up various types of motors under operating conditions where motor operations are performed in a wide range of temperature and power supply voltage, includes output drive controllers that supply PWM drive output signals to an output pre-driver in such a manner as to minimize the error between a current instruction signal and a current detection digital signal. In response to a detected induced voltage generated from a voltage detector upon startup of a motor, an initial acceleration controller supplies initial acceleration output signals specifying a conducting phase for initial acceleration of the motor to the output drive controllers. The initial acceleration controller, the output drive controllers, and an output driver make a conducting phase change and perform a PWM drive to provide the initial acceleration of the motor. | 2014-11-13 |
20140333244 | CONTROL OF A PERMANENT-MAGNET ELECTRIC MACHINE - A method of controlling a permanent magnet synchronous machine including a stator and a rotor. The method includes determining an estimated position of the rotor, and determining a second in-phase voltage setpoint that, in alternation, is equal either to a first in-phase voltage setpoint or else to the first in-phase voltage setpoint plus a predetermined periodic signal. The determining an estimated position of the rotor includes determining a coupling term, determining a speed of rotation of the rotor as a function of the coupling term, and determining the estimated position of the rotor by integrating the speed of rotation of the rotor. | 2014-11-13 |
20140333245 | PROTECTIVE CIRCUITRY FOR INSULATION DAMAGE DUE TO FAILURE OF INTERMEDIATE CIRCUIT CAPACITORS - The present disclosure relates to an intermediate circuit for an EC motor, comprising at least two similar series-connected capacitors for the connection of an electronic commutation device of an EC motor for nominal operation at a nominal voltage. In each case, a varistor is connected in parallel to each series-connected capacitor, wherein all the varistors are designed similarly. The capacitors and the varistors are dimensioned so that the threshold voltage of the varistors is less than the breakdown voltage of the respective parallel-connected capacitor, and, in the case of the failure of a capacitor or of a varistor, the sum of the threshold voltages of the remaining varistors is smaller than/equal to the nominal voltage of the intermediate circuit, and the sum of the threshold voltages of the series-connected varistors is greater than the nominal voltage of the intermediate circuit. | 2014-11-13 |
20140333246 | CONTROL DEVICE FOR SEMICONDUCTOR SWITCH ON AN INVERTER AND METHOD FOR THE ACTUATION OF AN INVERTER - The invention relates to a control device ( | 2014-11-13 |
20140333247 | REDUCED TORQUE RIPPLE SYSTEM - An apparatus with reduced torque ripple is disclosed. The apparatus includes a back electromotive force (BEMF) detector, a harmonic identifier, and a compensator circuit. The BEMF detector is configured to detect a BEMF voltage waveform. The harmonic identifier is configured to receive the BEMF voltage waveform and is further configured to identify at least one harmonic contributing to a torque ripple. The compensator circuit is configured to compensate for the at least one harmonic to reduce the torque ripple. | 2014-11-13 |
20140333248 | SERVO MOTOR CONTROL SYSTEM - All correction data is stored in the main memory of a numerical controller in advance. Of all correction data, the minimum data required for correction is transferred, for each interpolation cycle, to a built-in memory of a peripheral control LSI included in a servo control unit. A servo control processor performs repetitive control using the data transferred to the memory. | 2014-11-13 |
20140333249 | MOTOR CONTROL DEVICE FOR SUPPRESSING NATURAL VIBRATIONS - A frequency component extracting unit ( | 2014-11-13 |
20140333250 | IMAGE FORMING APPARATUS, MOTOR CONTROL APPARATUS, AND METHOD OF CONTROLLING A MOTOR - An image forming apparatus may include an engine portion used to perform an image forming job, a step motor configured to start the engine portion, a driver including a resistor that measures current that flows to a coil of the step motor and is configured to provide a predetermined constant current to the step motor, and a drive controller configured to measure a load level of the step motor based on a voltage value of the resistor and to control the driver to provide the constant current that corresponds to the measured load level. | 2014-11-13 |
20140333251 | EXTERNAL BATTERY - An external battery includes an input end, an output end, a bare cell between the input end and the output end, a charging unit configured to deliver power from a charger to the bare cell via the input end, a first switch between the charging unit and the input end, a DC-DC converter configured to convert an output voltage from the bare cell into a converted voltage of a magnitude that is different from that of the output voltage, and configured to deliver the converted voltage to the output end, a second switch between the bare cell and the DC-DC converter, and a main controller unit (MCU) configured to sense at least one of overcharging, over-discharging, or an over-discharge current of the bare cell using the output voltage or an output current from the bare cell, and configured to control the first switch and the second switch. | 2014-11-13 |
20140333252 | ELECTRONIC SUSPENSION AND NEAR-FIELD MAGNETIC RESONANCE SYSTEM FOR SMART PHONE AND TABLET DEVICES - An Electromagnetic Suspension and Near-Field Magnetic Resonance System for Smart Phones and Tablet Devices includes a Electromagnetic Suspension and Near-Field Magnetic Resonance Base Unit, a Case for a smartphone or tablet housing at least one reciprocating magnet. | 2014-11-13 |
20140333253 | MOBILE DEVICE AND COMBO COIL MODULE - An apparatus may include a near field communication (NFC) antenna coil and a wireless power receiving coil. The NFC antenna coil and the receiving coil may be arranged on a magnetic sheet. The wireless power receiving coil may be concentrically disposed on the magnetic sheet within an inner periphery of the NFC antenna coil. An inner diameter of the wireless power receiving coil may be greater than or equal to an inner diameter of reference listener antenna coil RL-6, of the reference listener coils specified by the NFC forum. | 2014-11-13 |
20140333254 | WIRELESS CHARGING DEVICE - A wireless charging device includes a transmitter unit containing a transmitter circuit, and a receiver unit detachably connects the transmitter unit and containing a receiver circuit. When the receiver circuit is kept within the induction range of the transmitter circuit, the receiver circuit can generate electricity by induction from the transmitter circuit. The induced electricity is transmitted via a transmission port to charge an electronic device without wireless charging function. The transmitter unit can also be used independently to charge an electronic device with wireless charging function. Thus, the wireless charging device has the advantages of ease of use and portability. | 2014-11-13 |
20140333255 | HOLDER FOR PORTABLE ELECTRONIC DEVICE - A holder includes a cover, a base, and a charging module. The cover includes a battery, and the base is foldably connected to the cover. The charging module includes a main charging coil and a power supply. The battery and the main charging coil are electrically connected to the power supply. A first proportion of a current from the power supply charges the battery, while a second proportion of the current from the power supply sends current to the main charging coil. The main charging coil charges a portable electronic device received in the holder. | 2014-11-13 |
20140333256 | SYSTEM AND METHOD FOR DETECTING THE PRESENCE OF A MOVING OBJECT BELOW A VEHICLE - This disclosure provides systems, methods and apparatus for detecting the presence of an object or living being below a vehicle. In one aspect a wireless charging system for an electric vehicle is provided. The system includes a vehicle charging pad configured to wirelessly receive power from a base charging pad spaced from the vehicle charging pad. The system further includes a detection apparatus on a surface of the vehicle. The detection apparatus is configured to detect existence of a moving object within an exclusion zone underneath the vehicle. The detection apparatus includes at least one antenna assembly configured to transmit radiation and to receive radiation reflected from material within the exclusion zone. The at least one antenna assembly has a radiation pattern for at least one of the transmitted radiation and the received radiation, the radiation pattern having a maximum gain and having a first gain along a first line perpendicular to the surface less than half of the maximum gain on a linear scale. | 2014-11-13 |
20140333257 | ELECTRONIC APPARATUS AND FEED SYSTEM - An electronic apparatus includes: a power reception section configured to receive power transmitted with use of a magnetic field or an electric field; a secondary battery; a charging section configured to perform charging to the secondary battery, based on received power received by the power reception section; a load configured to perform predetermined operation, based on supplied power; and a control section configured to forcibly set a power path on a preceding side of the load to a predetermined state when the load is activated in the charging to the secondary battery. | 2014-11-13 |
20140333258 | CONTACTLESS POWER TRANSMISSION DEVICE - A contactless power transmission device is provided with an AC power source, a primary coil, a secondary coil, an electric component and a power factor calculation unit. The primary coil is supplied with AC power from the AC power source. The secondary coil is allowed to receive AC power from the primary coil. The electric component is supplied with the AC power that is received by the secondary coil. The power factor calculation unit calculates at least either the power factor with respect to the load from the output of the AC power source to the electric component, or the power factor with respect to the load from the output of the secondary coil to the electric component. | 2014-11-13 |
20140333259 | ELECTRONIC UNIT AND POWER FEEDING SYSTEM - An electronic unit includes: an electricity reception section configured to receive power transmitted using one of a magnetic field and an electric field; a secondary battery; a charging section configured to charge the secondary battery based on incoming power received by the electricity reception section; a load configured to perform predetermined operation based on supplied power; a first power supply path running from one of a side of the electricity reception section and a side of the secondary battery to a side of the load via the charging section; and a second power supply path running from the electricity reception section side to the load side around the charging section. | 2014-11-13 |
20140333260 | CHARGING COIL SYSTEM FOR A DROP-IN TARGET DEVICE SUCH AS A TOOTHBRUSH - A system and method for charging at least one target device ( | 2014-11-13 |
20140333261 | AUTOMATED RECHARGING SYSTEM AND METHOD FOR AN ELECTRIC VEHICLE - An automated recharging system includes an electric vehicle and a charging apparatus. The electric vehicle includes a rechargeable energy storage system (RESS), a charging receptacle, and a first controller configured to monitor the status of the electric vehicle and the charge level of the RESS. The charging apparatus includes a charging plug configured to mate with the charging receptacle to recharge the RESS, and a movement mechanism to substantially align the charging plug with and insert it into the charging receptacle. The charging apparatus also includes a second controller to control the movement mechanism and to communicate with the first controller. The electric vehicle further includes an array of radio-frequency identification (RFID) tags arranged around the charging receptacle, and the charging apparatus further includes a RFID reader configured to read the RFID tags to determine the location of the charging plug in relation to the charging receptacle. | 2014-11-13 |
20140333262 | ONBOARD CHARGING COMMUNICATION DEVICE AND VEHICULAR CHARGING COMMUNICATION SYSTEM - In order to prevent a PLC modem belonging to an onboard electronic control unit from being activated in vain, an onboard charging communication device and a vehicular charging communication system according to the invention are equipped with an onboard battery that is charged by being supplied with power from an external charger via a charging cable, and the onboard electronic control unit, which has a power line communication function for establishing power line communication with the aforementioned external charger via the aforementioned charging cable through the use of the PLC modem. The aforementioned onboard electronic control unit further has PLC modem activation control means for activating the PLC modem if the aforementioned power line communication function is validated and stopping the PLC modem from being activated if the aforementioned power line communication function is not validated on the other hand. | 2014-11-13 |
20140333263 | ELECTRONIC CHARGING DEVICE - An apparatus for providing electrical power, including an electrically non-conductive generally cube-shaped housing, an electrical power supply operationally connected and positioned in the housing, a first plurality of power outlets electrically connected to power supply for connecting three-prong plugs, a second plurality of power outlets for connecting male USB connectors, and a power cord operationally connected to the power. | 2014-11-13 |
20140333264 | BATTERY WITH HYBRID ELECTROCATALYSTS - Aspects of the present disclosure are directed to electrodes and implementations such as batteries. As may be implemented in accordance with one or more embodiments, an apparatus includes a nanocarbon substrate having at least one of graphene and carbon nanotubes, and a hybrid electrode including a cobalt oxide/carbon nanotube (CoO/CNT) catalyst and a Ni—Fe-layered double hydride (LDH) catalyst. The catalysts and substrate facilitate transfer of charge carriers. Various aspects are directed to a battery type device having an anode and a single or split cathode with the respective catalysts on the cathode to facilitate oxygen reduction and oxygen evolution reactions for discharging and charging the battery type device. | 2014-11-13 |
20140333265 | DEGRADATION STATE ESTIMATING METHOD AND DEGRADATION STATE ESTIMATING APPARATUS - Provided is a degradation state estimating method which decreases degradation in a secondary battery caused by estimating the degradation state. The degradation state estimating method is a method of estimating the degradation state of a secondary battery, includes: controlling application of current to the secondary battery; obtaining, as measurement information, at least a voltage value of the secondary battery measured while the current is flowing through the secondary battery; and estimating the degradation state of the secondary battery, based on a model for estimating the degradation state of the secondary battery and the measurement information obtained in the obtaining. In the controlling, at least one of a current value of the current and duration during which a predetermined current value is maintained is determined according to a provisional degradation state of the secondary battery. | 2014-11-13 |
20140333266 | Inductive Charge Balancing - Disclosed is a method for charge balancing in a charge storage arrangement having a plurality of charge storage cells connected in series, and a charge balancing circuit. | 2014-11-13 |
20140333267 | HEATED ACCELERATED BATTERY CHARGING - This document discusses, among other things, a temperature measurement component configured to receive temperature information from a battery, a heater configured to provide heat to the battery, and a controller configured to enable and disable the heater using information from the temperature measurement component to optimize charge efficiency and capacity of the battery. | 2014-11-13 |
20140333268 | SYSTEM AND METHOD FOR IMPROVING RESPONSE TIME OF A BRAKING UNIT - A braking system includes a converter, a capacitor coupled to an output of the converter, a bridge coupled in parallel to the capacitor, and at least one inductor coupled to the bridge, an electrically conductive disc disposed proximate to the at least one inductor, and a switching unit controller for commanding the converter to convert a level of voltage supplied therefrom from a first voltage level to a second voltage level and thereby increase energy stored in the capacitor, and, upon receiving a brake command, commanding the bridge to ramp-up electrical current in the at least one inductor so as to induce an electromagnetic force on the electrically conductive disc. | 2014-11-13 |
20140333269 | System And Method For Sinking Excess Current And Creating A Biasing Voltage - Data may be encoded onto a direct current power line by modulating the current on that direct current power line. One method of modulating the current is by placing an inductor on the power line and then using a controlled transistor that turns on and turns off. The inductor will ensure that current keeps flowing but the transistor will induce changes in the current pattern. The excess current from when transistor is turned off must be diverted. Furthermore, to create symmetrical current changes, the inductor should be reverse biased. Thus, a circuit is created that sinks the excess current from when the transistor is turned off and used to reverse bias the inductor. | 2014-11-13 |
20140333270 | Current Ramping During Multiphase Current Regulation - Voltage regulators in a current share arrangement may provide a total current to a common load, and may be simultaneously turned on to ramp up member currents. Each voltage regulator may provide a respective member current in the current share configuration. A target current value may be determined from a cycle-averaged current value of the member currents and a voltage error value of the voltage regulator, and each member current may be ramped to the target current value instead of the cycle-averaged current value when the voltage regulators are turned on, resulting in more stable and balanced current ramping. A predictive multi-phase digital controller may therefore operate according to a target current determined based on a measured or inferred inductor current and an error voltage. Pulse-width, pulse position and pulse frequency (adding or skipping pulses) may be calculated according to the operation of the predictive multi-phase digital controller. | 2014-11-13 |
20140333271 | SEMICONDUCTOR APPARATUS - A semiconductor apparatus includes a first structural body including a first temperature voltage generation unit configured to generate first and second temperature voltages which have different voltage level variations according to a temperature variation, in response to a temperature measurement command, and a first temperature information determination unit configured to generate first temperature information depending on a difference between levels of the first and second temperature voltages; and a second structural body including a second temperature voltage generation unit configured to generate a third temperature voltage and a fourth temperature voltage which have different voltage level variations according to a temperature variation, when a predetermined time elapses after the first and second temperature voltages are generated from the first structural body, and a second temperature information determination unit configured to generate second temperature information depending on a difference between levels of the third and fourth temperature voltages. | 2014-11-13 |
20140333272 | SWITCHING REGULATOR WITH REDUCED BODY DIODE CONDUCTION - A switching regulator that includes a high-side MOSFET, a low-side MOSFET, a high-side driver circuit, a low-side driver circuit, and a capacitive coupling circuit. An output of the high-side driver circuit is coupled to a gate of the high-side MOSFET to control the high-side MOSFET to be substantially depleted during a first operational phase and to be substantially enhanced during a second operational phase. An output of the low-side driver circuit is coupled to a gate of the low-side MOSFET to control the low-side MOSFET to be substantially enhanced during the first operational phase and to provide a regulated drain-to-source current during the second operational phase. The capacitive coupling circuit is coupled to an input of the high-side driver circuit and the gate of the low-side MOSFET and decreases the regulated drain-to-source current during a transition from the first operational phase to the second operational phase. | 2014-11-13 |
20140333273 | THERMAL BALANCE CONVERSION CIRCUIT - A thermal balance conversion circuit includes a voltage conversion circuit, a temperature detection circuit, a PWM controller, and a signal integration controller. The voltage conversion circuit includes a plurality of voltage conversion units, and each of the voltage conversion units converts the DC voltage of a external power to a driving voltage. The temperature detection circuit includes a plurality of temperature detection units, and the plurality of temperature detection units detects temperatures of the plurality of voltage conversion units. The pulse width modulation controller outputs a plurality of different phase PWM signals according to each of the voltage conversion units. The signal integrated controller receives the PWM signals from the PWM controller to control the voltage conversion of each of the voltage conversion unit. | 2014-11-13 |
20140333274 | COMPLEX POWER MANAGEMENT DEVICE AND COMMUNICATION DEVICE - A complex power management device includes DC/DC converters and a common reference line connected in common to the DC/DC converters. Each of the DC/DC converters includes a first switch element and inductor connected in series between first and second nodes, a second switch element, one end of which is connected to a third node that is a connection point of the first switch element and the inductor and the other end of which is connected to the corresponding ground terminal, and an output voltage adjustment circuit, which exclusively controls an ON/OFF state of the first and second switch elements based on a voltage of a fourth node that is the other end of the second switch element. The common reference line is connected to a fifth node that is provided on a wire connecting the second switch element of each of the DC/DC converters to the ground terminal. | 2014-11-13 |
20140333275 | VOLTAGE BOOSTING/LOWERING CIRCUIT AND VOLTAGE BOOSTING/LOWERING CIRCUIT CONTROL METHOD - A voltage boosting/lowering circuit according to an aspect of the present invention includes an output voltage generation circuit | 2014-11-13 |