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EXTERNAL OR OPERATOR CONTROLLED

Subclass of:

323 - Electricity: power supply or regulation systems

Patent class list (only not empty are listed)

Deeper subclasses:

Class / Patent application numberDescriptionNumber of patent applications / Date published
323349000 Using a three or more terminal semiconductive device as the final control device 76
323352000 Using an impedance as the final control device 10
323328000 Using a transformer or inductor as the final control device 7
323320000 Phase controlled switching using electronic tube or a three or more terminal semiconductive device 7
Entries
DocumentTitleDate
20090195237DUAL DIRECTION POWER AND DATA TRANSFER PROTOCOL AND SAFETY DETECTION - A device for monitoring the condition of a power outlet and for reducing or interrupting power in the event that a condition of the outlet circuitry indicates that a potentially dangerous situation exists. The device can also include a reporting function to alert a user as to the existence of the dangerous condition.08-06-2009
20100164469On-chip power management - The present disclosure teaches a power management device for providing one or more voltages and prohibiting the operation until the IC is initialized and voltage stability is achieved. The power management device includes a power regulator block and a masking block. The power regulator block includes one or more of the following elements: -a regulator, a bandgap reference generator, a low voltage detector LVDD, a low voltage detector LVDM, and a plurality of logic gates. In one embodiment, the masking block includes one or more level shifters, a plurality of logic gates, a D flip-flop, and a power on reset circuit (PoR).07-01-2010
20100079129METHOD AND APPARATUS FOR POWER SUPPLY - A power supply that is capable of supplying power to an input/output channel for an Industrial Process Control System. The power supply includes a primary voltage converter having a first voltage input and a second voltage output, and overvoltage protection components that prevent the second voltage from rising above a predetermined maximum. The power supply includes a first low dropout regulator that is connected to receive the second voltage and to generate a third voltage, a second low dropout regulator that is connected to receive the second voltage and to generate a fourth voltage, and a third low dropout regulator that is connected to receive the fourth voltage and to generate a fifth voltage. The power supply provides an over-voltage fault tolerant self-testable architecture, allows for compact low cost individual channel isolation and fault tolerant EMI/RFI filtration.04-01-2010
20100117620METHOD OF LOAD SHEDDING TO REDUCE THE TOTAL POWER CONSUMPTION OF A LOAD CONTROL SYSTEM - A method of determining a setpoint of a load control device for controlling the amount of power delivered to an electrical load located in a space, the method comprising the steps of initially setting the value of the setpoint equal to a desired level; limiting the value of the setpoint to an occupied high-end trim if the space is occupied; limiting the value of the setpoint to a daylighting high-end trim determined by a daylighting procedure; and subsequently reducing the value of the setpoint in response to a load shed parameter.05-13-2010
20100072974ELECTRONIC APPARATUS - The invention provides a compact and highly reliable electronic apparatus that can be driven by a small-capacity battery, and that can achieve high-speed continuous driving of a load by quickly judging the recovery state of the battery after driving the load. More particularly, the invention provides an electronic apparatus includes a power supply, a load, a load driver for driving the load by the power supply, a power supply state detecter for outputting power supply recovery information by measuring physical quantity of the power supply at predetermined intervals of time after the driving of the load is stopped, and a controller for instructing the load driver to drive the load, based on the power supply recovery information supplied from the power supply state detecter.03-25-2010
20090322306DUAL USE DELAY CAPACITOR - An integrated circuit comprises a control input providing a connection to a capacitor. A delay circuit generates a delayed enable signal responsive to a provided enable signal. A second circuit performs a control function. A switching circuit responsive to the delayed enable signal connects the control input to the delay circuit in a first mode of operation and connects the control input to the second circuit in a second mode of operation.12-31-2009
20090045796SEMICONDUCTOR INTEGRATED CIRCUIT - A semiconductor integrated circuit can include a reference voltage pad that can be configured to receive an external reference voltage and supply the external reference voltage to the inside of the semiconductor integrated circuit, an internal reference voltage generator that can be configured to generate an internal reference voltage by voltage dividing, a selector that can be configured to select and output one of the external reference voltage and the internal reference voltage in response to a selection signal, and a voltage trimming block that can be configured to regulate the level of the output voltage from the selector in response to trimming signals and outputs the level-regulated voltage as a reference voltage.02-19-2009
20130069617POWER ADAPTER - A power adapter comprises a microprocessor, a wireless communication module, a relay, a circuit board, a casing, a power input end, and a power output end. The microprocessor generates a switching signal according to a wireless control signal. The wireless communication module receives the wireless control signal and transmits the wireless control signal to the microprocessor. An input end of the relay electrically coupled to the power input end receives an alternative current (AC) power, and a control end of the relay electrically coupled to the microprocessor receives the switching signal. The relay outputs the AC power from the input end to the output end of the relay electrically coupled to the power output end according to the switching signal. The structure of the power input end corresponds to a power outlet. The structure of the power output end corresponds to a power plug of an electrical appliance.03-21-2013
20090302826POWER SUPPLY INTEGRATED CIRCUIT WITH FEEDBACK CONTROL - A system and method for providing power control in a power management integrated circuit. A power management integrated circuit may comprise a communication interface module that receives power supply information from at least one electrical device external to the power management integrated circuit. The power supply information may, for example, comprise information related to a first electrical power. The power management integrated circuit may also comprise a power regulator module that determines a regulated power signal based, at least in part, on a portion of the power supply information. The regulated power signal may correspond to the first electrical power. For example, the regulated power signal may comprise the first electrical power or cause another circuit to output the first electrical power. The power management integrated circuit may then output the regulated power signal to at least one electrical device external to the power management integrated circuit.12-10-2009
20130057247WALL BOX DEVICE FOR MANAGING ENERGY - An electronic device for managing energy is described. The electronic device includes a voltage sensor module that monitors a voltage waveform. The voltage sensor module includes discrete components. The electronic device includes a current sensor module that monitors a current waveform. The current sensor module includes discrete components. The electronic device is coupled to the voltage sensor module and to the current sensor module. The computing module determines a phase margin based on the voltage waveform and the current waveform. The electronic device includes a control module coupled to the computing module. The control module controls a load based on the voltage waveform, current waveform and phase margin. The control module includes discrete components. The voltage sensor module, the current sensor module, the computing module and the control module are housed within a wall box.03-07-2013
20100127690SEMICONDUCTOR APPARATUS - A semiconductor apparatus includes, a first switching device; a rectifying device; a control circuit controlling the first switching device; a first driving terminal; a first interconnection connecting the first switching device to the first driving terminal; and a second interconnection. The second interconnection is disposed to connect the rectifying device to the first driving terminal, and the second interconnection has a mutual inductance with the first interconnection.05-27-2010
20090009153MULTIPLE OUTPUT AC/DC POWER ADAPTER - A multiple output AC/DC power adapter is provided. The adapter includes an adapter body with an output connector and more than one output plugs configured for connecting with the output connector. The adapter body includes a DC-DC converting circuit having an input terminal, an output terminal, a first adjustment terminal. The output connector includes a positive terminal, a second adjustment terminal and a negative terminal configured for connecting to the output terminal and the first adjustment terminal of the DC-DC converting circuit and ground correspondingly. The output plugs each includes an adjustment resistor having a resistance value different from the other output plugs. Therefore, when equipped with a plurality of output plugs each of the plurality of plugs having different resistor R01-08-2009
20100295530Power supply voltage control circuit - A power supply voltage control circuit controls power supply voltage supplied to a target circuit that performs certain signal processing. The power supply voltage control circuit includes a control signal generation circuit that selectively generates first and second control signals when the power supply voltage supplied to the target circuit is increased from a first power supply voltage to a second power supply voltage, the second power supply voltage being higher than the first power supply voltage, and a power supply circuit that increases the power supply voltage toward a voltage level of the second power supply voltage based on the first control signal, or increases the power supply voltage to a voltage level higher than the second power supply voltage first and subsequently decreases the power supply voltage to the second power supply voltage based on the second control signal.11-25-2010
20080290855Battery Powered Intelligent Variable Power Supply/Battery Charger - A battery-powered power supply system is disclosed that is fully compatible with PMU ASIC and USB power architectures as well as being backwards compatible with the non-PMU power architectures. A battery-powered power supply utilizes a battery source (e.g., two AA battery cells in series), in a circuit including a switching power supply IC with a programmable variable output voltage and current limiter, along with a microcontroller. The invention also can include a flashlight or similar light source, which has utility beyond the obvious uses of a flashlight. The voltage and current supplied by the system of the present invention is controlled by the microcontroller to provide a variable voltage, variable as a function of time, if desired, during the charging operation. The flexibility afforded by a micro-controller controlled system allows the present invention to operate in different power or operational states and to adapt itself to the load demands. Furthermore, a unique power “boost” feature can be invoked by the user or be automatically invoked.11-27-2008
20120032665DISTRIBUTED MAXIMUM POWER POINT TRACKING SYSTEM, STRUCTURE AND PROCESS - Distributed maximum power point tracking systems, structures, and processes are provided for power generation structures, such as for but not limited to a solar panel arrays. In an exemplary solar panel string structure, distributed maximum power point tracking (DMPPT) modules are provided, such as integrated into or retrofitted for each solar panel. The DMPPT modules provide panel level control for startup, operation, monitoring, and shutdown, and further provide flexible design and operation for strings of multiple panels. The strings are typically linked in parallel to a combiner box, and is then toward and enhanced inverter module, which is typically connected to a power grid. Enhanced inverters are controllable either locally or remotely, wherein system status is readily determined, and operation of one or more sections of the system are readily controlled. The system provides increased operation time, and increased power production and efficiency, over a wide range of operating conditions.02-09-2012
20110285377Data Transmission Interface and Electronic Device Using the Same - A data transmission interface, for coupling to an external apparatus, including a first signal transmission line and a second signal transmission line, for transmitting a differential signal, a first resistor and a voltage-variable component, selectively connected to the first signal transmission line, and a second resistor, connected to the second signal transmission line, wherein, when the data transmission interface is coupled to the external apparatus, the voltage-variable component is connected to the first signal transmission line, and the first signal transmission line presents a first voltage in response to the external apparatus.11-24-2011
20080203994Control Apparatus and Method of Senseless MPPT Control For Photovoltaic Power Generation System - The present invention relates to a senseless MPPT control apparatus of a photovoltaic power generation system and a method thereof. The control apparatus includes a current transformer, an A/D converter, a new and old current detector, a new duty ratio detector, an old duty ratio detector, a new and old duty ratio comparator, first and second new and old current comparators, a duty ratio adder, a duty ratio subtractor and a PWM signal generator. A maximum output point of a solar battery cell is tracked by using only one feedback current flowing into a load. Further, feedback factors can be reduced to one. It is possible to simplify the construction of a control circuit and minimize tracking control failure.08-28-2008
20090108828ADAPTIVE POWER SUPPLY - In one embodiment, an apparatus includes a power negotiator configured to receive a power request signal, determine if the request signal is acceptable, and transmit a signal based on the determination. The request signal comprises a requested power level. A switcher coupled to the power negotiator generates the requested power level if the request signal is acceptable.04-30-2009
20100117621METHOD OF LOAD SHEDDING TO REDUCE THE TOTAL POWER CONSUMPTION OF A LOAD CONTROL SYSTEM - A method of determining a setpoint of a load control device for controlling the amount of power delivered to an electrical load located in a space, the method comprising the steps of initially setting the value of the setpoint equal to a desired level; limiting the value of the setpoint to an occupied high-end trim if the space is occupied; limiting the value of the setpoint to a daylighting high-end trim determined by a daylighting procedure; and subsequently reducing the value of the setpoint in response to a load shed parameter.05-13-2010
20090309570METHODS AND SYSTEMS FOR MANAGING FACILITY POWER AND COOLING - A method and corresponding apparatus provide a determination of available power capacity of a phase of a power supply in a data center rack. The method includes metering the power of a power supply and calculating an average peak power draw per phase of the power supply. Using average peak power draw per phase of the power supply and the expected power draw data corresponding to data center equipment coupled to the power supply, the available power capacity can be calculated on a per phase of the power supply. A method and corresponding apparatus for managing data center equipment may use the phase based available power capacity calculations to determine the optimal placement of new data center equipment within a data center configuration.12-17-2009
20110062939CONTROLLING POWER USAGE BY AT LEAST ONE ELECTRONIC APPARATUS - In a method for controlling power usage by at least one electronic apparatus, a power regulating device having a plurality of integrated power and data connectors is provided. In addition, the at least one electronic apparatus is connected to an integrated power and data connector of the power regulating device with an integrated power and data cord having operational power lines and a data line. Data from the power regulating device is communicated to the at least one electronic apparatus and/or data is received in the power regulating device from the at least one electronic apparatus through the data line, in which the data contains information pertaining to an impending change in power supplied to the at least one electronic apparatus through the operational power lines from the power regulating device.03-17-2011
20100085031Operating an Integrated Circuit at a Minimum Supply Voltage - In one embodiment, an integrated circuit comprises at least one measurement unit configured to generate an output indicative of a supply voltage at which the integrated circuit is operable for a given operating frequency and a control unit coupled to receive the output. The control unit is configured to generate a voltage control output indicative of a requested supply voltage for the integrated circuit responsive to the output. The voltage control output may be output from the integrated circuit for use by circuitry external to the integrated circuit in generating the supply voltage for the integrated circuit.04-08-2010
20090140715SAFETY MECHANISMS, WAKE UP AND SHUTDOWN METHODS IN DISTRIBUTED POWER INSTALLATIONS - A distributed power system including multiple DC power sources and multiple power modules. The power modules include inputs coupled respectively to the DC power sources and outputs coupled in series to form a serial string. An inverter is coupled to the serial string. The inverter converts power input from the serial string to output power. A signaling mechanism between the inverter and the power module is adapted for controlling operation of the power modules.06-04-2009
20090289615APPARATUS AND METHOD FOR REDUCING POWER CONSUMPTION BY AN INTEGRATED CIRCUIT - An integrated circuit includes an energy controller that generates a power supply voltage level for the integrated circuit based on a desired target frequency value for the integrated circuit. The energy controller configures a programmable hardware process sensor based on the power supply voltage level such that the programmable hardware process sensor is capable of mimicking the electrical characteristics of a predetermined critical path associated with the integrated circuit when operating at the power supply voltage level. By monitoring the frequency of the programmable hardware process sensor over a period of time, the energy controller can compare the monitored frequency to an expected value and determine whether the power supply voltage level can be adjusted or whether it should be maintained.11-26-2009
20090273333POWER SUPPLY WITH ADJUSTABLE OUTPUTTED VOLTAGE - A power supply with adjustable outputted voltage includes a casing, a circuit board, a voltage-adjusting knob and a rotary wheel. The casing is provided thereon with a window, and the circuit board is disposed in the casing. The circuit board is electrically connected to AC/DC power input processing circuit in which only AC (or DC) exists or both AC and DC exist simultaneously. The voltage-adjusting knob is electrically connected on the circuit board. The rotary wheel is provided thereon with a plurality of voltage-adjusting numerals. The voltage-adjusting numerals are located to correspond to the window of the casing and are displayed in the window.11-05-2009
20090284245WIRELESS 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.11-19-2009
20090284244SYSTEM FOR ACTUATING PORTABLE ELECTRONIC DEVICES - A system for actuating portable electronic devices includes a power supply circuit for providing an electric potential, a regulating circuit connected to the power supply circuit for regulating the electric potential provided by the power supply circuit, and an actuating circuit connected to the power supply circuit via the regulating circuit. The actuating circuit creating pulse signals to control the regulating circuit and the power supply circuit to create an actuating electric potential, which actuates portable electronic devices connected to the system.11-19-2009
20080246458DIGITAL COMPENSATION TUNING FOR SWITCHING POWER SUPPLY CONTROL - A tuner having one or more digitally controllable tuning components may be coupled to an analog feedback compensation network in a target switching power supply controller to adjust the compensation while the power supply is operating. A communication interface couples the tuner to a host having a software interface to enable a user to adjust the values of the tuning components. The tuner may include components to adjust the values of a feedback network, an input network, a ramp adjust component, etc., on the target controller.10-09-2008
20080238402CONTROL UNIT - A control unit includes an input terminal and an output terminal for a signal to be controlled, a control input terminal and a control output terminal for a control signal, variable capacitors connected in a bridge configuration between the input terminal and control input terminal, between the input terminal and control output terminal, between the control input terminal and output terminal, and between the control output terminal and output terminal, capacitances thereof being changed by the control signal, and a differential signal-controlled power source in which the control signal is applied across the control input terminal and control output terminal in a differential mode with a pair of signals having the same absolute value and mutually opposing polarities. Voltage or current of the signal to be controlled is controlled by the control signal changing the capacitances of the variable capacitors in the bridge configuration.10-02-2008
20090027034METHOD AND APPARATUS FOR REGULATING VOLTAGE IN A REMOTE DEVICE - A system and the method are provided for supplying power to a remote device. In one embodiment, the method involves regulating voltage for at least one device remote from a power source. The regulating includes monitoring a current response of the remote device and adjusting a voltage of the power source until the current response reaches an operating range of the remote device.01-29-2009
20090027033SYSTEM AND METHOD FOR INTEGRATED TEMPERATURE MEASUREMENT IN POWER OVER ETHERNET APPLICATIONS - A system and method for integrated thermal monitoring in Power over Ethernet (PoE) applications. Headroom in a particular cable installation is identified using ambient temperature measurement alone or in combination with determined cable characteristics. In calculating an amount of headroom for a particular cable installation, the current capable of being carried over the cable would not be limited by worst-case cable assumptions.01-29-2009
20080284406Adaptive bias current generator methods and Apparatus - In one aspect, a method of reducing power consumption in a circuit by adaptive bias current generation of a bias current configured to bias, at least in part, at least one amplifier of the circuit is provided. The method comprises establishing the bias current based, at least in part, on a reference frequency of a reference clock providing a clock signal to at least one component of the circuit, and changing the bias current in response to a change in the reference frequency of the at least one reference clock, the bias current being change non-linearly with respect to the change in the reference frequency of the at least one reference clock. In another aspect, the method comprises establishing the bias current based, at least in part, on a capacitance of a reference capacitor, and changing the bias current in response to a change in the capacitance of the reference capacitor such that the bias current is changed non-linearly with respect to changes in the capacitance of the reference capacitor.11-20-2008
20100201342Verfahren zum Betreiben eines Feldgerates - A method for operating a field device of industrial process and/or automation technology, wherein the field device, at least at times, is supplied with electrical energy from an energy source. The minimum voltage requirement of the field device is ascertained, and, from the ascertained minimum voltage, a supply voltage value is ascertained, and the field device is supplied, at least at times, with electrical energy, whose voltage is below, or essentially equal to, the ascertained supply voltage value.08-12-2010
20080272760Rechargeable Battery for Connection to a Load - The invention relates to a rechargeable battery for connection to a load, in particular for supplying a manually operated electric tool device with electrical energy, comprising a rechargeable-battery housing (11-06-2008
20110267026Method and Apparatus for Modifying a Transition to an Altered Power State of an Electronic Device Based on Accelerometer Output - A method and apparatus are disclosed for modifying a transition to an altered power state of an electronic device based on accelerometer output. The apparatus includes an electronic device having a display and an accelerometer. The apparatus also includes a determination module, and a modification module. The determination module determines an in-use condition of the electronic device based on accelerometer output for the electronic device. The modification module modifies a transition to an altered power state of the electronic device in response to the determination module determining the in-use condition.11-03-2011
20080265861VOLTAGE PROVIDING CIRCUIT AND RELATED METHOD THEREOF - A voltage providing circuit for generating an output voltage, which includes: a plurality of oscillating circuits, for providing clock signals with different frequencies; a detection circuit, for generating a detection result according to a reference voltage and the output voltage; a selecting unit, coupled to the oscillating circuits and the detection circuit, for selecting one of the clock signals according to the detection result; and a charge pump circuit, for controlling a charge pump according to the clock signal selected by the selecting unit to generate the output voltage.10-30-2008
20080258700METHOD AND APPARATUS FOR ADJUSTING ON-CHIP DELAY WITH POWER SUPPLY CONTROL - An apparatus and method are provided for powering an integrated circuit chip with a supply voltage generated externally to the chip. An on-chip clock signal is generated with a ring oscillator fabricated on the integrated circuit chip. The supply voltage is altered as a function of a difference between a frequency of the on-chip clock signal and a reference clock frequency.10-23-2008
20130119968DC-DC CONVERTER WITH AN AUXILIARY CIRCUIT FOR PERFORMING SOFT-SWITCHING - A voltage conversion circuit apparatus that adjusts a timing skew between the switching control of the first switching element and the switching control of the second switching element includes: a skew storage portion that stores a timing skew between the switching controls of the first and second switching elements after the voltage conversion circuit apparatus is manufactured; and a timing adjustment portion that corrects the stored timing skew and thereby adjusts the timing relation between a first pulse signal and a second pulse signal so as to bring within a permissible range the timing skew that occurs when the switching controls of the first and second switching elements are performed by using the first pulse signal and the second pulse signal.05-16-2013
20130214759LONG-DISTANCE CONSTANT-VOLTAGE ELECTRICITY-FEEDING METHOD WITH WAKE-UP FUNCTION AND SYSTEM - Disclosed are a wired long-distance constant-voltage electricity-feeding method with a wake-up function and a system. A smart electricity supply module of a central electricity supply device generates a feed voltage from a central electricity source, and feeds the voltage to a terminal electricity source module through a feed line. Said smart electricity supply module can continuously provide electricity at a constant voltage to the terminal electricity source module and can change feed voltage polarity according to set rules when the terminal electricity module in sleep-mode must be remotely waken up. A voltage polarity monitoring module of said terminal electricity source module can determine, by monitoring the polarity of the voltage of the centrally fed electricity, whether to wake up the terminal electricity source module from sleep-mode to enter a normal electricity-supplying mode. The electrical feed circuit and the wake-up function are easy to implement, and provide a versatile power feed and high energy efficiency while reducing withstand-voltage process requirements.08-22-2013
20090179627ON-VEHICLE ELECTRIC POWER SOURCE SYSTEM - In an on-vehicle electric power source system, a power source control device is configured to supply an electric power from an electric power supply source to an actuator by means of a dual-circuit power supply line. The dual-circuit power supply line includes a bypass line and a charge-up line arranged in parallel with the bypass line. A first shut-off circuit is disposed in the bypass line. A booster circuit, an electricity storage device, and a second shut-off circuit are disposed in the charge-up line. The storage device is provided for storing an electric power boosted up by the booster circuit. Also provided is a control unit, which is configured to perform switching between an electric power supply through the bypass line and an electric power supply through the charge-up line by a changeover of a shutoff-circuit established/blocked state between the first and second shut-off circuits.07-16-2009
20090160421Multi-regulator power delivery system for ASIC cores - An electronic product includes an application specific semiconductor chip (ASIC) device which includes in its circuitry both a linear regulator module configured to be coupled to an optional external capacitance and a capless regulator module configured to be coupled to internal capacitance of the electronic product. Control logic of the ASIC device is responsive to a regulator selection signal for selecting one of the linear regulator module and the capless regulator module for use in powering the ASIC device. The control logic may select the linear regulator module for certain times of operation and the capless regulator module for other times of operation.06-25-2009
20120068686RADIO-FREQUENCY LIGHTING CONTROL SYSTEM WITH OCCUPANCY SENSING - A load control system controls an electrical load provided in a space and comprises a load control device and a first occupancy sensor mounted to a moving structure (e.g., a door) and a second occupancy sensor mounted to a fixed surface (e.g., a wall or a ceiling). The load control device controls the load in response to the wireless control signals received from the occupancy sensors. The first occupancy sensor transmits an occupied wireless control signal to the load control device in response to detecting the movement of the moving structure. The second occupancy sensor transmits an occupied wireless control signal to the load control device in response to detecting the occupancy condition. The load control device turns on the load in response to receiving the occupied control signal from the first occupancy sensor, and turns off the load in response to receiving vacant control signals from both of the occupancy sensors.03-22-2012
20090085551Circuitry and Method for Monitoring a Supply Voltage - A method for monitoring the supply voltage of an electronic device includes the steps of: determining an operating condition of the electronic device, adjusting a plurality of reference voltages dependent on the operating condition of the electronic device, wherein each of the plurality of reference voltages is adjusted at a different time, and comparing the supply voltage of the electronic device with at least one of the plurality of reference voltages.04-02-2009
20110227556DYNAMICALLY POWERING A POSITION AND ANGLE DIGITAL DETECTION AND SIMULATION OUTPUT - A position detection and simulation platform includes software configurable logic and programmable inputs and outputs to support software configuration only changes for use with a variety of position feedback devices including synchros, resolvers, linear variable differential transformers, and rotary variable differential transformers. Power to the software configurable outputs is dynamically controlled so that the power supply voltage presented to the outputs satisfies a minimum threshold above the amplitude of the output signal. Dynamic control is based on at least one of a digital representation of a signal to be output, an analog version of the signal to be output, or the signal being output.09-22-2011
20090015233DYNAMIC VOLTAGE TRANSITIONS - The operating voltage of an integrated circuit (e.g., a processor) is changed in response to one or more conditions (e.g., a laptop computer is connected to an AC power source). Both the operating frequency and the operating voltage of the integrated circuit are changed. The voltage regulator providing the operating voltage to the integrated circuit is caused to transition between voltage levels using one or more intermediate steps. The integrated circuit continues to operate in the normal manner both at the new voltage and throughout the voltage transition.01-15-2009
20090212757Voltage transformer with sequentially switchable voltage selection circuit - A voltage transformer with a sequentially switchable voltage selection circuit is provided for converting input electrical energy through the sequentially switchable voltage selection circuit, which is arranged within the transformer body with its two ends electrically connected to an input port and an output port respectively, into one of a plurality of output voltage values and outputting the electrical energy. When it is desired to regulate an output voltage, a connection device must be plugged in a socket portion on the transformer body to initialize a micro control unit through feedback to change a voltage value sent to a voltage transformation unit, and in turn change the voltage of output electrical energy until a display device displays an ideal output voltage value. Then, the user removes the connection device, and the voltage value of the input electrical energy is converted into corresponding to the selected predetermined voltage value to output the electrical energy.08-27-2009
20090256546MOTHERBOARD WITH OVERCLOCKING AND OVERVOLTING FUNCTIONS - A motherboard with overclocking and overvolting functions is provided. The motherboard with an overvolting function includes a specified component, a voltage regulator and a micro-controller. The specified component receives an operating voltage. The voltage regulator generates the operating voltage according to a reference voltage. The micro-controller is electrically connected to an external input device for receiving a control signal issued by the external input device and adjusting the reference voltage according to the control signal.10-15-2009
20100148745Wireless Communication Apparatus - In a wireless communication apparatus of the present invention for transmitting a modulated signal using multi-carriers, a bias voltage of a power amplifier (06-17-2010
20100259242METHOD AND SYSTEM FOR MONITORING TEMPERATUE OF A POWER DISTRIBUTION CIRCUIT - A method for monitoring a temperature change of a power distribution circuit having a power line and return line includes measuring an output current and output voltage of the power distribution circuit at an input to a load electrically connected to the power distribution circuit, and determining a change in temperature of at least one of the power line and return line based on a change in at least one of the output current and output voltage.10-14-2010
20100213920POWER CONTROL CIRCUIT, METHOD OF CONTROLLING POWER CONTROL CIRCUIT, AND DLL CIRCUIT INCLUDING POWER CONTROL CIRCUIT - A power control circuit includes a check unit that receives a reference clock and generates a check signal for cyclically activating a feedback loop of a DLL circuit, a phase detecting unit that detects a phase difference between the reference clock and a feedback clock, and generates a phase difference detection signal, and a signal combining unit that generates a power cutoff signal in response to a locking completion signal, the check signal, and the phase difference detection signal.08-26-2010
20090045795METHODOLOGY AND SYSTEM TO SET JTAG INTERFACE - A method and apparatus determines and sets operating voltage on a JTAG interface by incrementally increasing a test voltage applied thereto. The contents of a register is monitored to detect when the contents switch (change) from a first value to a second value. The voltage occurring at the switch is doubled to establish the operating voltage.02-19-2009
20100225297Energy Savings When Powering a Lower Voltage Device from a Higher Voltage Power Source - The present invention provides a power saving method and apparatus for powering a lower voltage device from a higher voltage power source. The apparatus includes a switch having an input coupled to an output of the higher voltage power source. The apparatus further includes a high-to-low voltage converter having an input coupled to an output of the switch. The apparatus also includes a power plug having an input coupled to an output of the high-to-low voltage power converter, and an output configured to receive a power socket of the low voltage device. Finally, the apparatus includes a switch actuator coupled to the power plug and the switch. When the power plug is operatively engaged within the power socket of the lower voltage device, the switch actuator closes the switch. When the power plug is operatively disengaged from the power plug, the switch actuator opens the switch.09-09-2010
20100277156Circuit for Providing Negative Voltages With Selectable Charge Pump or Buck-Boost Operating Mode - Exemplary implementations of electrical circuits and systems are disclosed, and methods for providing a configurable negative voltage supply. Electrical circuits and systems are configured to operate in one of at least two modes, based on an electrical component that is received by a portion of the circuit or system.11-04-2010
20090278523NON-CONTACT POWER TRANSMISSION DEVICE, POWER TRANSMISSION DEVICE AND ELECTRONIC APPARATUS USING THE SAME - A non-contact power transmission device for supplying electric power to a secondary coil from a primary coil by electromagnetically coupling the primary coil to the secondary coil, includes a temperature detection element that detects temperature and a detection section that detects rise of temperature based on a first temperature at a first clock time and a second temperature at a second clock time detected by using the temperature detection element. When a degree of the rise of temperature is greater than a reference value, the non-contact power transmission device stops supplying of the electric power from the primary coil.11-12-2009
20090108829CONTROL INTEGRATED CIRCUIT WITH COMBINED OUTPUT AND INPUT - A control circuit for a voltage converter including a power switch for providing power to a load in accordance with an embodiment of the present application includes a driver circuit operable to provide a first control signal to the power switch to turn the power switch on and off such that a desired voltage is provided to the load, an output terminal connected to the driver circuit and operable to connect the driver circuit to the power switch; and a controller operable to control the driver circuit. The output terminal operates as an input terminal to receive external data under predetermined conditions, and the controller controls the driver circuit based on the external data.04-30-2009
20110121810Apparatus and Method for Voltage Controlling Used in a Portable Electronic Device - An apparatus and method for voltage controlling used in a portable electronic device are provided to save electric power, thereby avoiding the problem of prior arts. The portable electronic device is capable of establishing a connection with an external device. The apparatus comprises a detector and a voltage selector. The detector is for detecting whether the connection is established, so as to generate a control signal accordingly. The voltage selector is for selecting a voltage from a first voltage and a second voltage based on the control signal, wherein the first voltage is lower than the second voltage.05-26-2011
20090001960Systems and methods for ASIC power consumption reduction - Embodiments of the present invention are directed to dynamically measuring the speed of a circuit and modifying the operating voltage of the circuit based on the measured speed, in order to minimize the power being used while still ensuring proper operation of the circuit. Consequently, circuits of higher inherent speeds may have their voltages decreased (thus decreasing their actual speeds), while circuits of lower speeds may have their voltages increased, or kept the same. Thus, the resulting speeds of all circuits may be kept within a limited range to ensure proper operation. In addition, the power dissipated of circuits of higher speeds may be decreased.01-01-2009
20110018522POWER SUPPLY DEVICE, PORTABLE ELECTRONIC APPARATUS AND RELATED METHOD FOR DETERMINING TYPES OF A POWER SUPPLY DEVICE - A portable electronic apparatus is connected to a power supply device via a transmission line, and it includes a designated connector, a charge control circuit, and a judgment circuit. The designated connector includes five terminals respectively corresponding to five pins of a USB connector of the power supply device. When the power supply device is connected to the portable electronic apparatus, the first terminal of the designated connector is logic high, the fourth terminal of the designated connector is logic high, and the third terminal of the designated connector is logic high after pulling up the voltage level of the second terminal, the judgment circuit pulls down the voltage level of the third terminal and detects the voltage level of the third terminal so as to generate a determining result for determining a type of the power supply device.01-27-2011
20110025292METHOD AND APPARATUS FOR PROVIDING POWER CONVERSION WITH PARALLEL FUNCTION - An approach is provided for generating a plurality of output signals by a plurality of power modules in response to the respective temperature signals of said modules. Each of the power modules is arranged in parallel, each being configured to provide power conversion. Temperature signals representing temperatures of the plurality of power modules are shared among the plurality of power modules to attain a temperature balance.02-03-2011
20110074380ELECTRIC CONDUCTION PAD AND MANUFACTURING METHOD THEREOF - The present invention relates to electric conduction pads and a method for manufacturing the same, and more particularly, to an electric conduction pad having elastic properties while enabling heat emission, passage of electric current and transmission of electrical signals, using an electrically conductive wire material, as well as a method for manufacturing the same. The electric conduction pad of the present invention comprises: a stretchable planar pad; and at least one conductive wire aligned in a zig-zag pattern on the pad to pass electric current supplied from a power source or emit heat by the same.03-31-2011
20110080155METHOD OF SWITCHING POWER MODES AND A PORTABLE ELECTRONIC DEVICE CONFIGURED TO PERFORM THE SAME - The present disclosure provides a method of switching power modes on a portable electronic device and a portable electronic device configured to perform the same. In accordance with one embodiment, there is provided a portable electronic device, having a housing; a processor received within the housing; a display screen connected to the processor and exposed by the housing; a piezoelectric switch connected to the processor disposed in the housing, the piezoelectric switch having a piezoelectric element which generates an electric charge in response to forces applied to the piezoelectric element; and an actuator for engaging the piezoelectric element, the actuator being exposed by the housing and movable within the housing to transfer externally applied forces to the piezoelectric element; wherein the processor is configured for switching between at least two power modes in response to the generation of the electric charge by the piezoelectric element.04-07-2011
20100066342CONTROL CIRCUIT FOR SINGLE CHIP IC - A control circuit for a single chip IC controlled by an external power is provided. The control circuit includes a regulating circuit, an MCU and a trigger circuit. The regulating circuit is controlled by the external power and includes a regulator to be enabled to generate an internal power for an internal circuit of the single chip IC. The MCU is controlled by the internal power and generates a switch signal to disable the regulator when the internal circuit of the single chip IC is standby. The trigger circuit is controlled by the external power and generates a trigger signal to enable the regulator based on an external signal.03-18-2010
20090295361Apparatus For Converting Electrical Energy For Conductively Heating Semiconductor Material In Rod Form - The present invention relates to an apparatus for converting electrical energy for conductively heating rod-shaped semiconductor materials. The apparatus is particularly useful to control the temperature of electrically heated rods in the Siemens process for deposition of silicon by chemical vapor deposition.12-03-2009
20110254530FAULT PROTECTED CURRENT SOURCE FOR LIGHTING ELEMENT TESTING - A fault protected current source is provided that can be used to safely drive LEDs in reliability test systems. The current source is includes circuits and processes that detect the common faults found in LED reliability test systems. After a fault is detected, the current source shuts down drive before destructive spikes are produced. Because only true LED failures are counted, this fault protected current source can be used to construct reliability test systems that produce more accurate reliability test data.10-20-2011
20090015232METHOD AND DEVICE FOR REGULATING A VOLTAGE SUPPLY TO A SEMICONDUCTOR DEVICE - A device for regulating a voltage supply to a semiconductor device, the device comprising memory for storing a plurality of performance ranges, wherein the respective performance ranges are associated with a respective supply voltage; means for measuring the performance of the semiconductor device; and a regulator for modifying the supply voltage to the semiconductor device if the measured performance of the semiconductor device is not within a predetermined portion of the performance range associated with the voltage supplied to the semiconductor device.01-15-2009
20080309311Power Converter for Compensating a maximum Output Power - A power converter for compensating a maximum output power includes a power switch, a control circuit, an oscillator and a frequency modulator. The control circuit generates a PWM signal in response to the pulse signal generated by the oscillator. The frequency modulator generates a second discharge signal to the oscillator for controlling the maximum output power of the power converter. The second discharge signal is decreased for prolonging a switching period of the PWM signal under a high-line voltage of the power converter.12-18-2008
20080309310HIGH VOLTAGE POWER SUPPLY CONNECTOR SYSTEM - A connector system is provided for coupling an ionization emitter to an high voltage (HV) supply. The connector system includes one or more contacts for distributing voltage from the HV supply to the emitter. The connector system further includes a detection device that detects an element of an emitter that provides one or more properties of the emitter. The connector system further includes a detection logic device that sets one or more operating parameters of the HV supply according the one or more properties provided by the element of the emitter.12-18-2008
20080309312Power Converter for Compensating a Maximum Output Power - A power converter and a PWM controller for compensating a maximum output power includes a power switch, an oscillator, a control circuit and a delay modulator. The oscillator generates a pulse signal. The control circuit is coupled to the oscillator for generating a PWM signal and an over current signal in response to the pulse signal and a current sense signal of the power converter. The delay modulator is coupled to the control circuit for generating a delay control signal in response to the PWM signal and the over current signal, wherein the delay control signal is used to prolong a propagation delay time of the control circuit in response to the on-time of the PWM signal, and the propagation delay time can be compensated by the on-time of the PWM signal to limit the maximum output power under a high-line input voltage and a heavy-load condition.12-18-2008
20080203993DYNAMICALLY SCALING APPARATUS FOR A SYSTEM ON CHIP POWER VOLTAGE - A system for dynamically scaling a power voltage including a system on chip (SoC) and a power control circuit. The SoC includes a plurality of application circuits. The SoC is configured to generate internal clock signals in response to an externally supplied clock signal. The SoC also generates a target voltage that changes based on a change of an operating current. The internal clock signals are respectively provided to the application circuits. The operating current is a sum or total current of the application circuits. The power control circuit generates an internal power voltage based on the target voltage and provides the internal power voltage to the SoC. The system for dynamically scaling a power voltage including a SoC may decrease power consumed in the SoC because the system of dynamically scaling a power voltage decreases a required voltage margin by changing a target voltage before a transition of the SoC current.08-28-2008
20110133720DYNAMIC VOLTAGE TRANSITIONS - The operating voltage of an integrated circuit (e.g., a processor) is changed in response to one or more conditions (e.g., a laptop computer is connected to an AC power source). Both the operating frequency and the operating voltage of the integrated circuit are changed. The voltage regulator providing the operating voltage to the integrated circuit is caused to transition between voltage levels using one or more intermediate steps. The integrated circuit continues to operate in the normal manner both at the new voltage and throughout the voltage transition.06-09-2011
20100213919TEMPERATURE COMPENSATION IN INTEGRATED CIRCUIT - In an embodiment, an integrated circuit comprises a plurality of temperature sensors and a power manager coupled thereto. The temperature sensors are physically distributed over an area of the integrated circuit that is occupied by logic circuitry implementing the operations for which the integrated circuit is designed. The power manager is configured to transmit a power supply voltage request to an external power supply module, the power supply voltage request indicating a requested magnitude of the power supply voltage for the integrated circuit. The power manager is configured to modify the requested magnitude responsive to indications from each of the plurality of temperatures sensors that represent a temperature of the integrated circuit sensed by each of the plurality of temperature sensors.08-26-2010
20110148390APPLIANCE HAVING A USER GRACE PERIOD FOR REINITIATING OPERATING WHEN IN DEMAND RESPONSE ENERGY MODE - An energy consuming device comprises a power consuming feature/function and a controller operatively connected to the power consuming feature/function. The controller is configured to operate the device including the power consuming feature/function in one of a plurality of operating modes, including at least a normal operating mode during an associated off-peak demand period of an associated energy supplying utility and an energy savings mode during an associated peak demand period of the associated energy supplying utility. The controller is configured to provide a user a grace period during the associated peak demand period to allow the user to change the operating mode of the power consuming feature/function from the energy savings mode to another operating mode including the normal operating mode thereby allowing additional use of the power consuming feature/function during the associated peak demand period.06-23-2011
20100026273ELECTRONIC DEVICE AND ADAPTER THEREOF - An adapter includes a connector, a rectifier, a communication unit, a modulating unit, and a switching unit. The connector receives an input voltage. The rectifier is capable of rectifying the input voltage into various direct current voltages. The various direct current voltages include a predetermined voltage and a desired voltage. The communication unit is configured for generating a communication signal. The modulating unit is configured for superposing the communication signal to the predetermined direct current voltage to generate a modulation signal. The communication unit is further configured for receiving a desired signal comprising information of the desired voltage from the electronic device, and controlling the rectifier to rectify the input voltage into the desired voltage and controlling the switching unit to electrically connect the rectifier to the electronic device for transmitting the desired voltage to the electronic device when receiving the desired signal.02-04-2010
20110316517ELECTRONIC APPARATUS HAVING STAND-BY MODE AND OPERATION METHOD THEREOF - The present invention relates to an electronic apparatus having stand-by mode. The electronic apparatus comprises: a first circuit, comprising an interface and transferring data to an external device; a second circuit, comprising a processor and setting a first power supplying mode of the first circuit; and a third circuit, setting a second circuit power supplying mode of the second circuit and setting a second power supply mode of the first circuit when the second circuit is disabled; wherein the processor selects a first circuit power supplying mode from power supplying modes of a plurality of first circuits as the second power supplying mode before the second circuit is disabled.12-29-2011
20120043956LOOK-UP TABLE BASED CONFIGURATION OF A DC-DC CONVERTER - RF PA circuitry and a DC-DC converter, which includes an RF PA envelope power supply and DC-DC control circuitry, are disclosed. The PA envelope power supply provides an envelope power supply signal to the RF PA circuitry. The DC-DC control circuitry has a DC-DC look-up table (LUT) structure, which has at least a first DC-DC LUT. The DC-DC control circuitry uses DC-DC LUT index information as an index to the DC-DC LUT structure to obtain DC-DC converter operational control parameters. The DC-DC control circuitry then configures the PA envelope power supply using the DC-DC converter operational control parameters. Using the DC-DC LUT structure provides flexibility in configuring the DC-DC converter for different applications, for multiple static operating conditions, for multiple dynamic operating conditions, or any combination thereof.02-23-2012
20120062204Digital Voltage Converter Using A Tracking ADC - The disclosed DC-to-DC converter circuit comprises a tracking ADC configured to drive a DC-to-DC converter. In particular, the tracking ADC is configured to receive an analog feedback voltage from the output of the DC-to-DC converter. The analog feedback voltage is compared to an analog reference voltage and based upon the comparison a digital ADC output signal, comprising a digital code, is generated to drive the DC-to-DC converter. The digital ADC output signal is received by the DC-to-DC converter, which is configured to compare the digital code to a target code value. Based upon this comparison, the digital signal drives operation of the DC-to-DC converter by indicating whether the output of the DC-to-DC converter will be adjusted (e.g., by telling the DC-to-DC converter to increase its output voltage, to decrease its output voltage, or to keep its output voltage the same). Other systems and methods are also disclosed.03-15-2012
20120007577DYNAMICALLY SCALING APPARATUS FOR A SYSTEM ON CHIP POWER VOLTAGE - A system for dynamically scaling a power voltage including a system on chip (SoC) and a power control circuit. The SoC includes a plurality of application circuits. The SoC is configured to generate internal clock signals in response to an externally supplied clock signal. The SoC also generates a target voltage that changes based on a change of an operating current. The internal clock signals are respectively provided to the application circuits. The operating current is a sum or total current of the application circuits. The power control circuit generates an internal power voltage based on the target voltage and provides the internal power voltage to the SoC. The system for dynamically scaling a power voltage including a SoC may decrease power consumed in the SoC because the system of dynamically scaling a power voltage decreases a required voltage margin by changing a target voltage before a transition of the SoC current.01-12-2012
20090167282VOLTAGE REGULATOR AND METHOD OF CALIBRATING THE SAME - A voltage regulator is provided that includes a power cell to provide a calibrated output voltage based on a voltage identification (VID) offset, and a master controller to provide a VID code to the power cell. The power cell to calibrate the output voltage based on the VID code received from the master controller and based on the VID offset.07-02-2009
20120062206MOMENTARILY ENABLED ELECTRONIC DEVICE - A method and apparatus for providing intermittent or interruptible power to an electronic device. The circuit may provide power upon user initiation and interrupt that power in response to a user command, fault state, period of inactivity and so forth. As one example, interruptible power may be initially provided to activate or “power up” an electronic device and constant power provided after the initial activation. The initial powering up of the device may be facilitated by closing two contacts. The circuit may continue to provide power after the button is released through a monitoring and/or feedback mechanism.03-15-2012
20120062205VOLTAGE COMPATIBLE CHARGE PUMP BUCK AND BUCK POWER SUPPLIES - The present disclosure relates to a flexible direct current (DC)-DC converter, which includes a charge pump buck power supply and a buck power supply. The charge pump buck power supply and the buck power supply are voltage compatible with one another at respective output inductance nodes to provide flexibility. In one embodiment of the DC-DC converter, capacitances at the output inductance nodes are at least partially isolated from one another by using at least an isolating inductive element between the output inductance nodes to increase efficiency. In an alternate embodiment of the DC-DC converter, the output inductance nodes are coupled to one another, such that the charge pump buck power supply and the buck power supply share a first inductive element, thereby eliminating the isolating inductive element, which reduces size and cost but may also reduce efficiency.03-15-2012
20110089928DIGITALLY CONTROLLING A POWER CONVERTER - Methods and systems for power conversion are disclosed, including receiving at least one interrupt indicative of a transient power condition of the power converter and switching the processor to operate in a second mode from a first mode responsive to the interrupt. The switching enables the processor to allocate greater resources to process a power output parameter of the power converter operating in the transient power condition compared to resources allocated by the processor operating in the first mode to process the power output parameter.04-21-2011
20120126779Power Control System - A system and method for controlling performance and/or power based on monitored performance characteristics. Various aspects of the present invention may comprise an integrated circuit comprising a first circuit module that receives electrical power. A second circuit module may monitor one or more performance characteristics of the first circuit module and/or the integrated circuit. A third circuit module may, for example, determine power control information based at least in part on the monitored performance characteristic(s). The power control information may be communicated to power supply circuitry to control various characteristics of the electrical power. Various aspects of the present invention may also comprise an integrated circuit comprising a first module that monitors at least one performance characteristic of a first electrical device. The integrated circuit may also comprise modules that determine power control information based on the monitored performance characteristic(s) and communicate such power control information to power supply circuitry.05-24-2012
20120161746LOW-POWER OPERATION FOR DEVICES WITH CIRCUITRY FOR PROVIDING REFERENCE OR REGULATED VOLTAGES - A device includes a voltage regulator and/or circuitry for generating a reference voltage. The voltage regulator and the circuitry for generating the reference voltage are operable in a continuous mode or a sample mode. Operating in the sample mode can help reduce overall power consumption of the device. During the sample mode, the voltage regulator and/or the circuitry for generating the reference voltage periodically are enabled to restore energy to respective energy storage components (e.g., capacitors).06-28-2012
20120133352VOLTAGE DETECTION - Techniques are disclosed relating to detecting a voltage change. In one embodiment, an integrated circuit may include a monitor circuit and a power management unit. The power management unit may be configured to request a voltage change. The monitor circuit may be configured to detect the requested voltage change and to provide an indication that the voltage change is complete. In response to the indication that the voltage change is complete, the power management unit may adjust a clock frequency.05-31-2012
20090128118POWER SUPPLY VOLTAGE CONTROL APPARATUS - A power supply voltage control apparatus capable of freely setting a clock period setting margin according to a system clock frequency, and capable of converging power supply voltage to minimum power supply voltage where normal operation is possible in a short period of time without errors in operation of internal circuits in response to changes in the system clock frequency is provided. Power supply voltage control apparatus is provided with a first frequency-divider that frequency-divides the system clock at a first frequency-diving ratio, a second frequency-divider that frequency-divides an output of a voltage control oscillator at a second frequency-dividing ratio, a phase comparator/frequency comparator that carries out a phase comparison/frequency comparison on the respective output signals of the first and second frequency-dividers, and a controller. Frequency-dividing ratios of the first and second frequency-divider are set by a second controller according to an operation mode signal corresponding to the system clock frequency.05-21-2009
20110121811POWER DELIVERY IN A HETEROGENEOUS 3-D STACKED APPARATUS - A heterogeneous three-dimensional (3-D) stacked apparatus is provided that includes multiple layers arranged in a stacked configuration with a lower layer configured to receive a board-level voltage and one or more upper layers stacked above the lower layer. The heterogeneous 3-D stacked apparatus also includes multiple tiles per layer, where each tile is designed to receive a separately regulated voltage. The heterogeneous 3-D stacked apparatus additionally includes at least one layer in the one or more upper layers with voltage converters providing the separately regulated voltage converted from the board-level voltage.05-26-2011
20080297133Dynamic Voltage Scaling for Packet-Based Data Communication Systems - A dynamic voltage scaling system for a packet-based data communication transceiver includes a constant voltage supply, a variable voltage supply, and a voltage control unit. The constant voltage supply is configured to supply a constant voltage to at least one parameter-independent function of the transceiver, and the variable voltage supply is configured to supply a variable voltage in accordance with a control signal to at least one parameter-dependent function of the transceiver. Parameter-independent transceiver functions perform operations independent of a predetermined parameter and parameter-dependent transceiver functions perform operations dependent on the predetermined parameter The voltage control unit is configured to generate the control signal based on information provided by at least one parameter-independent transceiver function about the predetermined parameter.12-04-2008
20100181988METHOD FOR REDUCING POWER CONSUMPTION BASED ON MOTION SENSOR AND PORTABLE TERMINAL USING THE SAME - A method for reducing power consumption based on a motion sensor and a portable terminal adapted to the method are disclosed. The method includes terminating driving of a motion recognition program according to whether an input is detected by at least one sensor unit disposed in the portable terminal, and switching a mode of a controller included in the portable terminal into a motion recognition deactivation mode. The motion sensor-based portable terminal can reduce the power consumption, thereby lengthening the life span of the battery. The user can use the motion sensor-based portable terminal for a long period of time without frequently recharging its battery.07-22-2010
20130021017POWER CONVERTER FOR VEHICLE - A power converter capable of activating a control circuit therein without increasing a length of a wiring for conveying an external activation signal. In the power converter, a converter circuit isolates a first voltage of a first power supply, converts the first voltage into a second voltage, and outputs the second voltage to a second power supply. A first power supply connecting circuit connects the first power supply to the converter circuit in response to the activation signal. An activation circuit determines whether or not the activation signal has been received by the first power supply connecting circuit on the basis of a voltage between input terminals of the converter circuit and activates the control circuit when it is determined that the activation signal has been received by the first power supply connecting circuit.01-24-2013
20080231250Method and Assembly For Supplying Power to an Active Independent Component - The invention relates to a method for supplying power to an independent active component and to assembly comprising a rolling bearing and an independent electronic system (09-25-2008
20130169261CLASSIFIACTION OF ELECTRIC CONTACTING BETWEEN TWO CONNECTING ELEMENTS - A device for classifying electrical contacting between a first connecting element of a battery and a second connecting element, which is directly or indirectly connected to an electrical load. A temperature sensor is provided for detecting the temperature of the first connecting element and/or of the second connecting element and a control device, which is coupled to the temperature sensor and which is configured, on the basis of a detecting signal of the temperature sensor, to classify the electrical contacting between the first connecting element and the second connecting element. A corresponding method and to a battery system, as well as a battery receiving system including such a device for classifying electrical contacting. Moreover, there is provided an electrical power supply system with such a battery system and such a battery receiving system.07-04-2013
20080224685METHOD AND APPARATUS TO MANAGE POWER CONSUMPTION OF A SEMICONDUCTOR DEVICE - Briefly, a method an apparatus of a power management system of a semiconductor device capable of managing a power consumption of the semiconductor device by varying an operating voltage of the semiconductor device according to a voltage value based on a reference number.09-18-2008
20080224684Device and Method for Compensating for Voltage Drops - A device that includes a voltage supply unit and an integrated circuit, the device is characterized by including a voltage sampling circuit adapted to sample voltage levels at multiple sampling points within the integrated circuit, to provide multiple sampled voltages, wherein the multiple sampled voltages reflect the voltage drops; and wherein the voltage supply unit is adapted to adjust a supply voltage provided to the integrated circuit in response to at least one sampled voltage. A method for voltage drop compensation; the method includes providing a supply voltage to an integrated circuit; the method is characterized by sampling voltage levels at multiple sampling points within the integrated circuit, to provide multiple sampled voltages, wherein the multiple sampled voltages reflect the voltage drops; and adjusting a supply voltage provided to the integrated circuit in response to at least one sampled voltage.09-18-2008
20080224683CONTROL SYSTEM FOR DYNAMICALLY ADJUSTING OUTPUT VOLTAGE OF VOLTAGE CONVERTER - A control system for dynamically adjusting an output voltage of a voltage converter includes a signal calculation circuit, a pulse width modulator, a voltage converter, a nonlinear calibration circuit and a signal converter. The signal calculation circuit, the pulse width modulator, the voltage converter and the signal converter form a long-tail loop. The signal calculation circuit simultaneously receives a target value and a detection value from the signal converter to generate an error value for adjusting the output of the pulse width modulator. The voltage converter and the nonlinear calibration circuit form a local pulse-squashing loop. Pulse widths of an input signal to the voltage converter can be timely and effectively calibrated and controlled, thereby decreasing power consumption of the voltage converter and providing an effective protective mechanism.09-18-2008
20080211477VOLTAGE CONTROL CIRCUIT - A circuit for controlling voltage includes a condenser having a first end coupled to an input node of a target circuit, and a second end coupled to a predetermined fixed potential, a constant current source coupled to the first end of the condenser, and a control circuit configured to charge or discharge the condenser by the constant current source, to measure a first time period passing from start timing of the charge or discharge to timing at which a voltage at the first end of the condenser reaches a predetermined voltage, and to change an input condition or operation condition of the target circuit upon passage of a second time period from the start timing where the second time period is responsive to the first time period.09-04-2008
20080278138High accuracy constant-off average output current control scheme - A high accuracy constant-off average output current control is provided. It is composed of the reference block generates preset reference and converts the reference signal into a suitable format; the state detecting block, the state variables of switching power converter are detected and the detected signals are converted into the same signal format as one of output from reference block; The error-zero detector is used to detect the error between the outputs from reference block and state detected block and trigger constant off timer as the error is cross over zero; the constant off timer, the constant off time is dependent on the input and output voltages of the switching converter. Four function blocks can be simple as comprising of a basic operation and be implemented with several operation functions. The present invention can make the accuracy of the switching converter's output average current independent of the input and output voltages of the switching converter and accuracy of circuit devices and constant off time and in the simplest and lowest cost to implement the average current control of step-down switching converter.11-13-2008
20080197831DETECTION CIRCUIT - A detection circuit for generating a control signal for controlling output voltage of an AC adapter. The detection circuit for an electronic device receives power information from an external power supply via a cable to generate the control signal that controls DC input voltage output from the external power supply. In the detection circuit, a correction voltage generation circuit generates a correction voltage in correspondence with the parasitic resistance of the cable. A power information correction circuit corrects the power information provided from the external power supply via the cable with the correction voltage to generate corrected power information. A detection signal generation circuit calculates the total power amount of the electronic device and generates a power detection signal corresponding to the total power amount. The control signal generation circuit generates the control signal based on the corrected power information and the power detection signal.08-21-2008
20080197830METHOD FOR USING DIGITAL PLL IN A VOLTAGE REGULATOR - A circuit comprises a digital phase locked loop for generating a synchronization signal and a voltage regulator for providing regulated output voltage responsive to the synchronization signal from the digital phase locked loop.08-21-2008
20110316516Method and apparatus for the remote control of a power source connected to a manually actuated implement - The invention relates to a method and to an apparatus for operating a power source (12-29-2011
20130113455POWER SUPPLY MANAGEMENT APPARATUS AND BURGLARPROOF POWER SUPPLY SYSTEM THAT USES THE POWER SUPPLY MANAGEMENT APPARATUS - A power supply management apparatus and a burglarproof power supply system that uses the power supply management apparatus. The power supply management apparatus manages power supplied to an electronic apparatus, such as a vehicle, a solar apparatus, a mobile communication apparatus or a notebook computer that need power to operate. The power supply management apparatus includes a battery, a management module, a power outputting port and an operation module. A user is allowed to command the management module, by using the operation module, to generate management power that is output to the electronic apparatus. If the output management power does not satisfy the requirements for actuating the electronic apparatus, the actuation of the electronic apparatus is restricted under an inoperable condition. Therefore, a burglarproof effect is achieved, a risk that the electronic apparatus is stolen is greatly reduced, and a standby time of the electronic apparatus is increased.05-09-2013
20130200879SYSTEM FOR CHARGING DISPLAYS - A system and method for charging a merchandise item is presented. A power supply system for charging the merchandise item includes: a power supply unit, a power cable with a cable control logic. The power supply unit includes a variable power supply and power supply control logic. The power supply can be attached at one end to a power socket of the merchandise item and at the other end to the power supply unit. The cable control logic reads a power requirement from a charge adaptor logic located near the end of the cable connected to the merchandise item and communicates it over the power cable to the power supply control logic. The power supply control logic controls the variable power supply based, at least in part, on the power requirement so that the variable power supply generates a supplied voltage onto the power cable to power the merchandise item.08-08-2013

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