Abstract: Inverter circuits formed of a plurality of power semiconductor devices are stored in a casing of a power module. An output terminal provided at one end side of the casing is connected to one inverter circuit. An output terminal provided at the other end side of the casing is connected to another inverter circuit. An output terminal configured to allow electric connection with an output terminal located at the opposite side by a busbar is further provided at each one end side and the other end side. By disposing the busbar appropriately, output from both inverter circuits can be provided from any of the one end side and the other end side. An output terminal configuration can be realized that allows improvement in the degree of freedom for arrangement and versatility in circuit designing with respect to the position relationship with the electric load.

Abstract: Inverter bus structures, assemblies and associated methods are disclosed herein. One embodiment of the disclosure, for example, is directed to a power inverter including an inverter module for converting DC power to AC power, a printed circuit board carrying a capacitor array, a DC power source, and a bus structure. The bus structure is physically coupled each of the inverter module and the printed circuit board, and the bus structure electrically couples each of the inverter module, the printed circuit board to the DC power source.

Abstract: A hybrid green uninterruptible power system including an input port, a boost module, a secondary battery, a bi-directional converter module, and an inverter module is provided. The boost module converts an AC utility power into a high voltage DC power. The bi-directional converter module includes a multi-winding transformer for either converting the high-voltage DC power into a low-voltage DC power for charging the secondary battery, or for releasing and boosting the power stored in the secondary battery. The multi-winding transformer further induces an additional DC power when converting the power. Whereby, the hybrid green uninterruptible power system is able to generate the additional DC power all the time and optimizes its energy converting efficiency between the secondary battery and an external device consuming DC power.

Abstract: An electromechanical connection includes a first conductor disposed in a first non-conductive array and a second conductor disposed in a second non-conductive array capable of mating with the first non-conductive array. The second conductor is capable of mating with the first conductor when the first non-conductive array and the second non-conductive array are mated. A processor associated with the first non-conductive array determines if an electrical connection is formed between the first conductor and the second conductor. The processor can assign a function to the electrical connection.

Abstract: A power source system (1) operable to supply a load circuit (10) with electrical power, including a power-supplying source (2) including a plurality of power source terminals (3) and (4) that differ in output voltage from one another, in which the power-supplying source is operable to supply the electrical power through the plurality of power source terminals (3) and (4), a power source terminal-selecting unit (5) operable to select either one of the plurality of power source terminals (3) and (4), a plurality of voltage converting units (6) and (7) connected to the power source terminal-selecting unit (5) and operable to convert electrical voltage, and a voltage converting unit-selecting unit (8) operable to select either one of the plurality of voltage converting units (6) and (7). The power source system provides the proper supply of the electrical power in accordance with a status of the load circuit (10).

Abstract: A direct current (DC) uninterruptible power supply (UPS) having auto-ranging battery backup voltage capability is provided. At least one input is configured. A rectifier is connected to the at least one input. A common node is connected to the rectifier. At least one output is connected to the common node. A battery backup circuit is connected to the common node. The battery backup circuit includes first and second strings of batteries, a switch connected between a positive terminal of the first string of batteries and a negative terminal of the second string of batteries, and a plurality of steering diodes connected to the first and second strings of batteries and the switch to maintain current flow in a first direction. The switch is operable to place the first and second strings of batteries in series when closed, and operable to place the first and second strings of batteries in parallel when open.

Abstract: A system and method use magnetic field sensing to detect underground objects for strike avoidance. The system detects magnetic field components for both passive distortions in the magnetic field indicative of a ferromagnetic object and active magnetic fields that are impressed on an object by a signal generator. A detection module has a magnetic sensor assembly that detects the magnetic field components. The magnetic field component data is transferred through a multiplexer to an analog/digital converter to a processor. Pitch angle data from a pitch sensor and roll angle data from a roll sensor also may be transferred to the processor. The data is processed by the processor to determine the orientation of the detection module with respect to the object. The detection module may be installed in an underground boring tool or a trenching assembly.

Abstract: To provide a switching device capable of a switch-controlling a voltage source regardless of voltage changes in the voltage source to be switched and the voltage source employed for switch control. A switching path 61 includes, between the input terminal 1 and output terminal 4 for a voltage source, a series connection of the source or drain electrodes of PMOS transistors 10a and 10b connected to their back-gate electrode. A driving circuit has an NMOS transistor 11a having a load resistor 12a at its drain electrode and NMOS transistor 11b having a load resistor 12b at its drain electrode, which are connected to the gate electrodes of the PMOS transistors, respectively and receives the output from the logic inverter 14 for the switching control.

Abstract: According to a first general aspect of the present invention, there is provided a logic arrangement for reducing incidence of errors in connections between a power consumer apparatus and a power supply apparatus, the logic arrangement comprising: a pattern-generating component for generating an identifiable pattern in a load to be drawn from a power supply connection to a power supply apparatus; and a testing component for monitoring across a signal connection to the power supply apparatus, the testing component monitoring for a change in the load corresponding to the pattern. A positive result of the testing by the testing component indicates a correct configuration. Additional embodiments are also presented.

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: A CLA device comprises a CLA plug that is insertable into an external CLA socket, for example, a DC CLA socket inside a vehicle. The CLA device has a housing coupled to the CLA plug, for example, by integration or via a tethered wire, with the housing having a support surface. A port interface connector in the CLA device engages with a complementary port interface connector of an external device at a cantilevered support point when the external device is attached to the CLA device.

Abstract: A capacitive touch switch and control device is provided. The capacitive touch switch and control device in one embodiment includes one or more capacitive sensor elements, one or more resistors, a capacitor, a capacitance/frequency converter, and an antenna including a positive branch and a negative branch. The positive branch and the negative branch synchronously and correspondingly receive a pair of signals from the microprocessor, the pair of signals each undergoing a 180 degree phase shift relative to the other, for shielding the noise acted on the capacitive sensor elements. When any of the capacitive sensor elements is touched, the capacitance/frequency converter outputs a frequency signal to the microprocessor, the microprocessor outputs a control signal that corresponds to the frequency signal to an electronic device to trigger corresponding operations of the electronic device.

Abstract: A diode circuit having a passive element property, and an impedance modulator and a direct current (DC) source that use the diode circuit are provided. The diode circuit includes a first diode that generates a predetermined DC and alternating currents (AC) when a radio frequency (RF) signal is applied; and a DC path that is connected in parallel to the first diode, forms a predetermined loop and circulates the DC current within the loop. The DC path includes an inductor or an LC parallel resonator. The DC path includes a second diode that is disposed in the opposite direction to the first diode and connected to the first diode in parallel. The present invention can relieve difficulty in designing an RF circuit.

Abstract: A module for controlling power supply to a load in a product which includes a microchip, and an electromechanical switch and a proximity/touch sensor connected to the microchip, preferably to the same input. The switch is primarily used to activate or deactivate the load and the proximity/touch sensor to vary the effect of operating the switch, or to control additional functions such as the activation of a signal, typically a light signal, which helps to locate the product, particularly in the dark, and to vary the duration of an automatic time-out period at the end of which the load is deactivated.

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: A power line adapter and its controlling method to be operated in a power-saving mode are disclosed. The power line adapter includes a power-transmitting module for generating a DC supply voltage and a data-transmitting module for transmitting data. Furthermore, the data-transmitting module at least includes a power line communication circuit and an Ethernet physical layer transceiver. The controlling method comprises steps of: monitoring a link signal generated by the Ethernet physical layer transceiver when the power line adapter is operated in an active mode; and, disconnecting the DC supply voltage to the power line communication circuit and entering the power-saving mode if the link signal indicates a disconnection over a first time period.

Abstract: A first primary winding N11 of a transformer 1 is connected with a commercial power source 30 via a transistor Q1, and a second primary winding N22 of the transformer 1 is connected with a backup battery 31 via a transistor Q2. An electric power on the second primary winding N12 is output for a controlling apparatus. When a voltage of the commercial power source 30 is larger than a predetermined value, a backup stopping circuit 10 turns off a LED 9 and stops the transistor Q2. The second primary winding N22 is connected with input terminals 14, 15 as a power source for charging a battery 31. While the transistor Q2 is stopped, an electric power for the battery is output from the second primary winding N22. Since the LED 9 turns on at the time of electric power breakdown, the electric power for the battery is stopped.

Abstract: An electronic device includes a substantially planar face, a switch and a switch actuation mechanism. The switch is configured such that successive actuations of the switch actuates the device between a first state and a second state. The switch actuation mechanism is configured to actuate the switch a first time in response to a first input along the face and a second time in response to a second input along the face. The second input has at least one characteristic, other than time at which it is performed, distinct from the first input.

Abstract: A system and method for preventing over voltages in a power system coupled to an electric machine are disclosed. Briefly described, one embodiment is a method comprising detecting an operating voltage on a high voltage direct current (HVDC) bus, determining if at least one component of the power system is operational, communicating a signal to a power converter of the power system when the detected operating voltage is greater than a threshold voltage and when the component is not operational, and shorting together a plurality of terminals of the electric machine.

Abstract: A load, including an electric motor and electronic circuit for powering the electric motor, the load being inductively powered.