Abstract: A power supply is provided. The power supply comprises: a power input unit switching an input power; a transformer unit inducing an output power of the power input unit to a secondary side; a first power output unit connected to a first coil of the secondary side of the transformer unit; a second power output unit connected to a part of the first coil of the secondary side of the transformer unit; a synchronization signal detecting unit connected to a third coil of the secondary side of the transformer unit and detecting a switching period of the power input unit; and a synchronization signal output unit controlling an operation of the second power output unit according to the detected signal of the synchronization signal detecting unit.

Abstract: Embodiments of a ground power unit are disclosed for providing power to a grounded vehicle, such as an aircraft. In accordance with certain embodiments, the ground power unit (GPU) accepts a wide range of AC input voltages and is capable of providing a range of DC output voltages. The GPU may include a switched rectifier that converts an AC input signal to a DC link signal. The DC link signal is then converted to a switched DC signal that simulates an AC-like sine wave using a high frequency DC-to-DC switching converter. A single-phase transformer modulates and isolates the switched DC signal, which is subsequently converted to a DC output signal using diode rectifiers coupled to the secondary winding of the transformer. The disclosed GPU may be controlled using a software-based control algorithm that controls the AC input parameters independently of the DC voltage parameters.

Abstract: Exemplary embodiments are directed to device for selectively forming an open loop antenna or a closed loop antenna.

Abstract: Disclosed herein is an imaging device including: a first substrate having a first communication device; a second substrate having a solid-state imaging device and second communication device to exchange signals with the first substrate; a shake correction section adapted to detect the shake of an enclosure and correct the shake based on the detection result by moving the first substrate in the plane vertical to the optical path; and a millimeter wave signal transmission line that permits transmission of information in the millimeter wave band between the first and second communication devices, wherein a signal to be transmitted between the first and second communication devices is converted into a millimeter wave signal first before being transmitted via the millimeter wave signal transmission line.

Abstract: An apparatus, for wirelessly powering a device having an enclosure for a charge storage component, includes a wireless power supply which fits into the enclosure. The apparatus includes an antenna connected to the wireless power supply. A battery. A cell phone cover for a cell phone. A headphone. A wireless power adapter for a DC jack. Alternatively, the apparatus includes a substrate having discrete components and integrated circuits disposed in the device. A method for wirelessly powering a device having an enclosure for a charge storage component.

Abstract: The power line electric field (E-field) coupler device is for collecting energy from a power line and includes a flexible stack of alternating electrically conductive layers and dielectric layers. A power collecting circuit is connected to the flexible stack to output power therefrom based upon E-field coupling from the power line to the flexible stack, and an adjustment mechanism adjusts at least a shape of the flexible stack.

Abstract: A simplified docking station arranged to couple together a media source device and a media sink device is disclosed. The docking station is configured to accept power from the media source device for powering the docking station itself and for providing power to the media sink device.

Abstract: A power switch circuit includes a connector connected to a power supply, a detecting circuit, a first switch circuit, and a first conversion circuit. The connector is connected to the detecting circuit and connected to a first power terminal of a motherboard. The connector is connected to a second power terminal of the motherboard via the first conversion circuit and the first switch circuit, the detecting circuit outputs a corresponding control signal according to a type of the power supply to turn the first switch circuit and the first conversion circuit on or off to supply power for the motherboard.

Abstract: The invention relates to a device for generating low-voltage dips in an electrical power generator (2), particularly an aerogenerator, consisting of: a circuit which is disposed between the control cabinet (4) of the generator and the output transformer (3) to the network (30), comprising a transformer (31) and a plurality of in-series impedances (11, 14, 17; 12, 15, 18; 13, 16, 19) for each phase, having switches (24, 25, 26; 20, 21, 22; 27) associated therewith; and short-circuit generator means, selectively actuating the switches as a function of the type of voltage dip required.

Abstract: Circuitry and methods are provided. Voltage and current of an electrical load are scaled, biased and alternately sampled to derive a multiplexed signal. The multiplexed signal is used to control an oscillator so as to provide a multiplexed frequency-modulated signal. The multiplexed frequency-modulated signal is processed to improve linearity and to time-correlate signal content with discrete samplings of the load voltage and current. Control of a printer or other device is performed using the processed signal.

Abstract: An exemplary LCD (2) includes a control signal input terminal (210) configured for receiving a control signal; an output terminal (220) configured to be connected to a load circuit; a first direct current (DC) power supply (230); a first switching transistor (250) including a control electrode “b” connected to the control signal input terminal, a first current conducting electrode “c” connected to the DC power supply via a first bias resistor, and a second current conducting electrode “e” connected to ground; a second switching transistor (250) including a control electrode “G” connected to the first current conducting electrode of the first switching transistor, a first current conducting electrode “S” connected to the DC power supply, and a second current conducting electrode “D” connected to the output terminal; and a discharging resistor (225) configured to be connected between the output terminal and ground.

Abstract: The subject matter is a voltage regulator capable of providing an indicator signal to a load, so that the load can operation under the best current-voltage relationship according to the indicator signal. To this end, the voltage regulator includes an amplifier for generating the indicator signal by amplifying a difference between a signal representative of an output voltage and a signal representative of a reference voltage.

Abstract: A DC voltage converting device is on the output side connected to a DC voltage source and, on the output side, supplies a converted DC voltage to at least one electrical consumer via a cable connection. To improve such a DC voltage converting device in that also with high DC voltages on the input side, a conversion into another DC voltage is possible without any special constructional efforts and high costs while complicated cooling means or the like, are avoided at the same time, the Dc voltage converting device comprises a plurality of DC voltage converting units of which each is serially connected to the DC voltage source on the input side and connected in parallel with the cable connection on the output side for supplying the converted DC voltage.

Abstract: An exemplary electronic device includes a power module having an anode and a cathode; an audio module having an audio signal terminal and a ground terminal; an audio socket having an audio signal terminal and a ground terminal; a first relay-switch; a second relay-switch; and a power adapter having an audio plug, wherein the audio terminal of the audio socket is selectively connected to the anode of the power module and the audio signal terminal of the audio module via the first relay-switch, the ground terminal of the audio socket is selectively connected to the cathode of the power module and the ground terminal of the audio module via the second relay-switch, the audio terminal and the ground terminal of the audio socket are connected to the anode and cathode of the power module when the audio plug is plugged into the audio socket.

Abstract: The present invention relates to an aircraft service pit accommodating a GPU for supply of electrical power to an aircraft on the ground. More specifically it relates to a pit with a GPU comprising a housing enclosing a frequency converter for provision of a stabilized multi-phase alternating output voltage to an aircraft through an output cable.

Abstract: A power supply. The power supply provides power to a real-time clock generator when system power is not available and comprises first and second regulators, an energy storage device, and a switch. The first regulator receives a system power and generates a first regulated voltage when the system power is available. The energy storage device is coupled to a node. The second regulator comprises an input coupled to the node and provides a second regulated voltage to a real-time clock generator. The switch is coupled between the first regulator and the node. The switch is turned on when the system power is available and turned off when the system power is not available.

Abstract: It is normal practice in automation to network individual components of an installation via bus lines, with this network carrying out a multiplicity of communication and supply tasks during operation. In at least one embodiment, a system interface, as well as an installation which uses this interface, are disclosed with the operational reliability of the installation being improved. In at least one embodiment, a system interface is proposed for connection of a bus line to an actuator assembly in a control system with a K connection for connection of a communication channel and with a K-U connection for connection of a communication voltage supply channel, and an A-U connection for connection of an actuator voltage supply channel.

Abstract: A connector module includes a jack socket capable of receiving a communication link. The connector module also includes magnetics coupled to the jack socket for supplying power to a peripheral device coupled to the link through the jack socket. The connector module further includes Power-over-Ethernet management logic for controlling the supplying of power to the peripheral device by providing a voltage to the magnetics. In addition, the connector module includes at least one voltage isolator for isolating the voltage used by the Power-over-Ethernet management logic from at least one digitally-referenced voltage.

Abstract: A mobile power source for use with a hand-held machine and a method of operating the power source are described. The mobile power source comprises a power supply having an attachment device configured to couple the power supply to an operator, whereby the coupling of the power supply to the operator permits substantially free movement of the hand-held machine by the operator while providing power to the hand-held machine. Furthermore, a power controller is coupled to the power supply and configured to control the output of power from the power supply to the hand-held machine, whereby the power controller is remotely coupled to the power supply via a wireless connection.

Abstract: A method for supplying energy to a field device of process automation, which servers for registering a chemical and/or physical property of a process medium, energy required for operating the field device is obtained by means of the process medium.

Abstract: A circuit to supply power to a detachable load incorporates a power source, a power converter and an array of capacitors. Upon connection of the detachable load, the capacitors of the array of capacitors are automatically configured into a desired series, parallel or combination series and parallel configuration of interconnections to accommodate limitations in the voltage ranges of the capacitors in being coupled to the load and/or to achieve other desired characteristics of electrical power to be provided to the load. Further, upon connection of the detachable load, a limit on current flow imposed by the power converter may be set to a desired level to achieve desired characteristics of electrical power to be provided to the load and/or desired characteristics of charging and discharging behaviors of the array of capacitors.

Abstract: The DC-DC converter connects a first and a second switching circuit for converting power mutually between direct current and alternating current respectively to a first DC power source and a second DC power source and has a transformer between the AC terminals thereof. Here, between the AC terminals of the second switching circuit and the negative pole terminal of the DC power source, a voltage clamp circuit composed of a series unit of switching devices with a reverse parallel diode and a clamp condenser is connected. An isolated bidirectional DC-DC converter which prevents a reduction in a circulating current at time of buck and an occurrence of a surge voltage at time of voltage boost and realizes highly efficiency, low noise, and miniaturization is provided.

Abstract: An in-vehicle electronic system includes: an in-vehicle electronic apparatus mounted in a vehicle; and a portable electronic apparatus detachably provided to the in-vehicle electronic apparatus, and the in-vehicle electronic apparatus causes the portable electronic apparatus to be operable, when the in-vehicle electronic apparatus being operable detects attachment of the portable electronic apparatus.

Abstract: A circuit that can avoid drops in power supply and heat generation and save on manufacturing costs with no need of external controls are configured such that: a switching transformer has a terminal that produces an output of 22V at power-on and an output of 8V during standby and a terminal that produces an output of 10V at power-on and an output of 3V during standby; the output of 22V or 8V is lowered to 5V by a regulator IC1 and applied (input) to a regulator IC2; an input of 10V or 3V is produced at the regulator IC2; at power-on, the regulator IC2 lowers 10V to 3.3V and supplies the lowered 3.3V to the inverter circuit 10f; and during standby, a regulator IC lowers 8V to 3.3V and supplies the lowered 3.3V to the inverter circuit 10f.

Abstract: RFID devices can be powered by one or more sources of RF energy, including available RF energy. RFID devices can be utilized to measure data, or receive data transmitted to the RFID device, and can preferably store the data and transmit the data to an RFID reader or other data receiver. In some examples, RFID devices can include one or more sensors that can measure data. In other examples, RFID devices can receive data transmitted from a remote data gathering device. In some examples, the RFID devices also include data logging capabilities, and can store data that corresponds to one or more data readings.

Abstract: A computer system includes a component, a power supply, and a direct current to direct current converter. The power supply provides a first direct current signal to the direct current to direct current converter. The direct current to direct current converter converts the first direct current signal into a second direct current signal, and provides the second direct current signal to the component.

Abstract: A system for enabling the use of one electrical servicing cable having a 115V/400 Hz AC cablehead, to supply aircrafts having either a three-phase 115V/400 Hz AC electrical power system, or a 270 VDC/28 VDC electrical power system, for aircraft pre-flight and maintenance operations. The system includes a controller for determining and controlling the supply of appropriate power to an aircraft. The system includes an aircraft electrical servicing adapter that facilitates the safe supply of power to a 270 VDC aircraft via the 115V/400 Hz AC cablehead.

Abstract: A power converter capable of providing a range of DC voltages to an external device and a method of providing a range of DC power are provided. The power converter comprises a supply circuit for receiving a request for DC power and for providing the requested DC power. The supply circuit comprises a detection circuit for sensing a connection to an external device, a source controller circuit for determining a DC output power required by the external device, and a converter circuit for generating the required DC output power. The external device comprises a device controller circuit for communicating the request for DC power. A first conductor provides a path for the device to communicate the required DC power to the power converter and for the power converter to supply the required DC power. A second conductor provides a common reference for conducting return current to the power converter.

Abstract: An enclosed switching apparatus includes an enclosure and a primary power supply disconnect mounted in the enclosure. The primary power supply disconnect has first and second terminals, the first terminals are electrically connectable to a primary power source and the second terminals are electrically connectable to a load. An auxiliary power supply unit includes an auxiliary power supply disconnect having third and fourth terminals. The third terminals are electrically connectable to the primary power source. A transformer has fifth and sixth terminals, the fifth terminals are electrically connected to the fourth terminals of the auxiliary power supply disconnect. An auxiliary fusible element has seventh and eighth terminals, the seventh terminal is electrically connected to one of the sixth terminals of the transformer. A receptacle has ninth terminals thereon. One of the ninth terminals is electrically connected to the eighth terminal of the auxiliary fusible element.

Abstract: A variable-range power supply for a model vehicle layout, such as a model train track for powering model trains or the like, is configured to receive a control input defining respective ends of an output voltage range. The control input may correspond to opposing ends of a range of motion for a hand-operated actuator, or other control input. The power supply further includes a controller configured to allow a user to select a desired output voltage level for a minimum or maximum of the output range. Output power is maintained within the user-specified range.

Abstract: An object is to provide a system for improving convenience for users, by which a portable electronic device or the like can be charged even in a place where utility power is not available. Another object is to provide a system which allows a service provider to easily perform customer management. A wireless power supply system includes a power storage device having a power storage portion, a terminal charging device for wirelessly supplying electric power to the power storage device, and a management server having user information. Electric power can be supplied to specified users by intercommunication of user information between the power storage device and the terminal charging device and between the terminal charging device and the management server.

Abstract: It is normal practice in automation to network individual components of an installation via bus lines, with this network carrying out a multiplicity of communication and supply tasks during operation. In at least one embodiment, a system interface, as well as an installation which uses this interface, are disclosed with the operational reliability of the installation being improved. In at least one embodiment, a system interface is proposed for connection of a bus line to an actuator assembly in a control system with a K connection for connection of a communication channel and with a K-U connection for connection of a communication voltage supply channel, and an A-U connection for connection of an actuator voltage supply channel.

Abstract: A universal power supply. In one embodiment, the power supply comprises a power control unit including a voltage adjustment component, a current regulation component, and a controller that is configured to read data from a consumer appliance and determine a voltage requirement and an amperage tolerance of the consumer appliance, the controller further being configured to control the voltage adjustment component and the current regulation component so as to supply a required voltage at an amperage that does not exceed the amperage tolerance to the consumer appliance.

Abstract: A circuit arrangement for an electric appliance, having a control device and a power supply unit connected with an electric current supply connector for providing functional units, which are to be controlled, of the electric appliance with current. A switch is provided on the electric current supply connector for cutting off the power supply unit from the electric current supply connector on a primary side. The switch has a piezo switch which is open in the non-activated state. The circuit arrangement of this invention is used, for example, in connection with electronic household appliances.

Abstract: A rectifier/inverter power supply for use with induction heating or melting apparatus includes a tuning capacitor connected across the output of the rectifier and input of the inverter. The tuning capacitor forms a resonant circuit with an inductive load coil at the operating frequency of the inverter. Additionally, the load coil may be formed from an active load coil connected to the output of the inverter and a passive load coil, in parallel with a resonant tuning capacitor.

Abstract: A transmit and receive protection circuit for use in a communication system is disclosed. The protection circuit uses a four-diode gate in which the currents through an input portion and an output portion of the diode gate are individually controlled by resistors located in their respective portions. This arrangement allows the DC currents through each portion to be independently controlled. By using resistors to independently control the DC currents through each portion of the diode gate, better control over the individual DC currents can be achieved, leading to effective AC resistances which are more predictable. This arrangement results in a predictable low loss protection circuit at a minimal expense.

Abstract: Control means is provided, in which the whole of the phase difference of a power waveform of each phase is matched to a value dividing a cycle of the power waveform into n-equal portions, and at the same time, the whole of the power value of each phase is controlled to be identical, so that the power conversion unit having a n-alternating current output (n is an integer numeral serving as n?2) connected to the direct current power source and smoothing means provided between the direct current power source and the power conversion unit are made small in capacity.

Abstract: A multifunction power/data distribution system which consists of a cable system that provides power, data, and air cooling from a single wall outlet. Each device, has a single cable which brings power, data, and/or cooled air to that device. The system includes an appliance coupler assembly which may incorporate a fiber optics signal line, a coax cable, a cooled air supply line, and/or a telephone line. The data lines may be combined into a single high bandwidth line. Only a single cable is required to be run between the appliance coupler socket on the wall and an appliance, such as a PC, telephone, etc., to connect the appliance to an external power source, to a data network, to telephone network, or to a source of air cooling. The system provides for, and describes several types of, mating wall sockets and appliance end plugs.

Abstract: A load bank, comprising a housing, a user interface located on the housing, the user interface having at least one control, and at least one heater located in the housing and controlled by the control, wherein the control configures the heater to act as a test load for testing a power source.

Abstract: According to certain embodiments of the invention, there is provided an arrangement for cooling a series of closely spaced upright computer components mounted to a support, the arrangement including a tray having a plurality of air moving devices such as fans. Members are used for helping mount removably the tray to the support in a generally horizontal disposition, and the air moving devices move air in a generally upright path of travel to help cool the upright computer components. The tray also has a series of connector ports for connecting electrically to outputs from individual ones of the computer components.

Abstract: An electronic apparatus for stably driving a load circuit having operating modes that are vastly different in consumed electric current values and current variations. A supply device supplies a first power. A voltage converting circuit produces a converted power by converting the first power. A control circuit outputs a control signal for controlling the voltage converting circuit and outputting a fourth power based on the converted power. The load circuit is driven by the fourth power and has first and second operating modes and outputs an operating mode signal to the control circuit indicating in which mode it is being operated. The control circuit has first and second output voltage control modes and selects in which of the first and second output voltage control modes an output voltage of the voltage converting circuit is controlled by the operating mode signal.

Abstract: A high voltage DC power supplier includes: a transformer driven by a switching device, transforming an input voltage to a certain level of high voltage, and outputting the transformed high voltage; a diode and a capacitor for rectifying and smoothing the high voltage outputted from the transformer, and supplying the smoothed voltage to an ER fluid application unit; a discharge circuit for forcibly discharging the output voltage when an output voltage of the capacitor descends; and a controller for controlling a turn-on operation of the switching device on the basis of a difference value between the output voltage and a reference voltage so that the output voltage can follow a target voltage, and outputting a control signal for driving the discharge circuit to the discharge circuit when it reaches a discharge period.

Abstract: A switching regulator includes an inductive element to provide a first voltage across the element and at least one switch to energize and de-energize the inductive element to produce an output voltage. A controller of the regulator constructs an indication of a current from the first voltage and operates the switch(es) to regulate the output voltage in response to the indication.

Abstract: An electronic apparatus for stably driving a load circuit having operating modes that are vastly different in consumed electric current values and current variations. A supply device supplies a first power. A voltage converting circuit produces a converted power by converting the first power. A control circuit outputs a control signal for controlling the voltage converting circuit and outputting a fourth power based on the converted power. The load circuit is driven by the fourth power and has first and second operating modes and outputs an operating mode signal to the control circuit indicating in which mode it is being operated. The control circuit has first and second output voltage control modes and selects in which of the first and second output voltage control modes an output voltage of the voltage converting circuit is controlled by the operating mode signal.

Abstract: A microprocessor assembly is located on a daughterboard, which is configured to be physically and electrically coupled to a motherboard. One of the electrical terminals in an electrical connector between the daughterboard/motherboard is coupled to either a ground or a voltage supply Vdd on the daughterboard, depending on the type of microprocessor used. The electrical connector passes either the ground or Vdd signal to a semiconductor device on the motherboard to automatically identify the type of microprocessor on the daughterboard.

Abstract: The present invention includes devices and methods for power sharing for a lower voltage programmable thermostat for operating a switch which operates at a substantially higher voltage. The present invention is preferably applied to two power line thermostat control of HVAC equipment. It is intended that the present invention be applicable to other such devices where power is stored by capacitance or in rechargeable batteries for use by lower voltage programmable thermostats while at the same time permitting sufficient current flow through a substantially higher power switch to operate directly or indirectly electrical power equipment.

Abstract: A semiconductor manufacturing apparatus operable with supply of an electric power from a main electric power source wherein, in response to actuation of an emergency-off switch, the main electric power source is disconnected and, before the disconnection, braking control is made to a member being driven, by use of an electric power from the main electric power source.

Abstract: A computer having a main casing, a first bracket mounted on the main casing and accommodating a first peripheral device, and a second bracket removably combined to the first bracket and accommodating a second peripheral device. With this configuration, the computer has a computer casing which is compact without blocking hardware components with respect to each other.

Abstract: An adapter for providing a source of power to a mobile device through an industry standard port is provided. In accordance with one aspect of the invention, the adapter comprises a plug unit, a power converter, a primary connector, and an identification subsystem. The plug unit is operative to couple the adapter to a power socket and operative to receive energy from the power socket. The power converter is electrically coupled to the plug unit and is operable to regulate the received energy from the power socket and to output a power requirement to the mobile device. The primary connector is electrically coupled to the power converter and is operative to couple to the mobile device and to deliver the outputted power requirement to the mobile device. The identification subsystem is electrically coupled to the primary connector and is operative to provide an identification signal.

Abstract: An adapter includes a cord, a fitting portion, a voltage setting unit, and a fitting prevention mechanism. The cord is adapted to connect to a DC power source unit in order to receive DC voltage from the DC power source unit. The fitting portion is for insertion into the battery holding space of any one of a plurality of cordless power tools. The fitting portion receives the DC voltage received through the cord and supplies the DC voltage to a cordless power tool in which the fitting portion is properly inserted. The voltage setting unit is for setting voltage supplied through the fitting portion to the cordless power tool. The fitting prevention mechanism operates in linked association with operation of the voltage setting unit to prevent proper insertion of the fitting portion into a cordless power tool that has a rated voltage different from the voltage set by the voltage setting unit.