Abstract: The invention relates to a method for inputting an information signal into a power cable which is connected to a voltage supply and which includes at least one or more conductors, a dielectric provided around the conductors and a conductive earth sheath arranged wholly or partially around the dielectric, the method incluging inputting a pulse-like information signal at a first position via the earth sheath in order to produce a corresponding pulse-like information signal which is propagated to a second position in the dielectric of the power cable.

Abstract: A power generator unit condition monitoring system can receive a frequency profile generated by a frequency generating component and can transmit the received frequency to a frequency profile analyzer. The frequency profile analyzer analyzes the transmitted frequency profile and compares the profile against a database. The database can stores normal and abnormal frequency profiles.

Abstract: A displacement electrode cooperates with four switch electrodes on a substrate to form respective switches SW1 to SW4. When all of the switches SW1 to SW4 are on, no X- and Y-axial outputs are activated and only a Z-axial output is activated. On the other hand, when at least one of the switches SW1 to SW4 is off, no Z-axial output is activated and only X- and Y-axial outputs are activated.

Abstract: A method for testing an installed wiring harness is provided. The method comprises providing a signal source testing module at a first node in the wiring harness and a measurement termination testing module at a second node in the wiring harness. A central management module for controlling the testing modules coordinates the testing modules to send testing signals for performing tests and recording test measurements of the installed wiring harness. The testing modules send the test measurements to the management module.

Abstract: The invention relates to a flexible, resilient capacitive sensor suitable for large-scale manufacturing. The sensor includes a dielectric, an electrically conductive detector and trace layer on the first side of the dielectric layer comprising a detector and trace, an electrically conductive reference layer on a second side of the dielectric layer, and a capacitance meter electrically connected to the trace and to the conductive reference layer to detect changes in capacitance upon interaction with detector. The sensor is shielded to reduce the effects of outside interference.

Abstract: An electric potential fixing apparatus of the present invention is an electric potential fixing apparatus that is connected to a connection line (17) between two capacitances, the first capacitance (14) and the second capacitance (15) that is directly connected to the first capacitance, includes the first high resistance (3), the second high resistance (4) that is connected directly to the first high resistance, a voltage dividing unit that outputs electric potential divided by the first high resistance and the second high resistance to the output terminal, the third capacitance (8) that is connected in parallel to at least either of the first high resistance and the second high resistance, and a voltage supply unit (1) operable to maintain constantly electric potential of the connection line between the two capacitances (14) and (15), holding combined total electric charge quantity of the first capacitance and the second capacitance, and the output terminal of the voltage supply unit is connected to a signal

Abstract: Certain exemplary embodiments include a method, which can include automatically generating an output signal responsive to an input signal. The input signal can be indicative of an arc fault. The output signal can be configured to cause an electrical circuit to open. The output signal can be generated responsive to a derived signal based upon a first threshold having a first amplitude.

Abstract: A measuring device and a measuring method for non-destructive testing of an ignitor installed in a subassembly, particularly of a motor vehicle. The device and measuring method generate a measuring current with a predefined value, check-test the predefined value of the measuring current while bypassing the ignitor, apply the check-tested measuring current to the subassembly with the installed ignitor for a predefined time interval, determine the internal resistance of the subassembly with the installed ignitor, and derive a test signal indicating the installation condition based on a comparison with a setpoint value.

Abstract: A circuit arrangement for a line test and for feeding a corrosion protection current into a two-wire line comprises a controllable ramp generator for producing a ramp voltage, at least one first test impedance to be connected to a first line of a two-wire line, at least one second test impedance to be connected to a second line of the two-wire line, at least one first and second controllable switches for connecting the ramp voltage to the first and second test impedances, and a programmable control device for controlling the ramp generator and the first and second controllable switches in such a way so that the ramp voltage is coupled to the two-wire line in order to produce a corrosion protection current. The control device switches at least one of the first and second test impedances to the respective of the first and second lines for a line test.

Abstract: A range of a frequency measuring device having limited range is extended by pre-processing an input signal. The input signal is divided into a plurality of channels. In each channel, the input signal is divided into sub-bands. A frequency of the input signal is determined using a frequency measuring device having limited range. The frequencies are stored in a frequency set. The frequency set is used to determine a frequency associated with the input signal according a set of pre-determined reconstruction rules.

Abstract: A method and system for measuring noise of an on-chip power supply. In an embodiment, the system comprises a delay line that receives as an input a signal such as a square wave. The delay line may comprise a series of inverters connected to the power supply. The output of the delay line may combine the input signal and the noise signal from the power supply to produce a series of delayed versions of the input signal. Analysis of the output signal yields characteristics associated with the noise signal of the power supply such as its spectrum. In another embodiment, the system may comprise at least one mixer that modulates an input signal, such as a sinusoid, with the noise signal of the power supply. Demodulating the mixed signal then yields the noise signal of the power supply for further analysis.

Abstract: A system for driving a plurality of lamps includes an inverter circuit (20) and a fault detecting circuit (30). The inverter circuit includes a plurality of outputs divided into a first output part and a second output part. The fault detecting circuit is used for detecting whether one or more of the plurality of outputs of the inverter circuit is faulty, and includes a magnetic element circuit (300) and a signal detecting circuit (310). The magnetic element circuit is used for generating an induction signal according to flux changes of the magnetic element circuit when one of the plurality of outputs is faulty. The signal detecting circuit is used for generating a fault signal according to the induction signal.

Abstract: A power line carrier communication system includes a power line, a first communication device, a second communication device, the first and second communication devices being arranged on the power line and performing a communication via the power line, a storage section that stores information on a physical position of a first communication device, a detecting section that detects a communication state between the first and second communication devices, a relative position calculating section that calculates a relative position between the first and second communication devices based on the communication state, and an arithmetic operation section that calculates a physical position of the second communication device from the relative position and the information on the physical position of the first communication device stored in the storage section, and stores information on the calculated physical position of the second communication device into the storage section.

Abstract: A method and apparatus for detecting open defects on non-probed node under test of an electrical device using capacitive lead frame technology is presented. In accordance with the method of the invention, a probed node neighboring the non-probed node under test is stimulated with a known source signal. A sensor of a capacitive sensing probe is capacitively coupled to at least the probed node and non-probed node under test of the electrical device, and a measuring device coupled to the capacitive sensing probe measures a capacitively coupled signal present between the sensor of the probe and at least the probed and non-probed node of the electrical device. Based on the value of the capacitively sensed signal, a known expected “defect-free” capacitively sensed signal measurement and/or a known expected “open” capacitively sensed signal measurement, a determination is made of whether an open defect exists on the non-probed node under test of the electrical device.

Abstract: Diamond look-alikes like cubic zirconium, moissanite and other synthetic stones, are distinguishable from nature diamonds based on their thermal and/or electrical conductivities. Germ testers that are on the market are capable of evaluating these two parameters as is the present invention. Electrical resistance of moissanites reaches hundreds of thousands megohms. Existing gem esters use test voltage of 1000 volts, to be able to detect electrical conductivity in most moissanites. Still, reliable detection of high resistance moissanites is difficult. Proposed invention uses significant photo conductivity of moissanites, which was observed by the inventors, to facilitate measurement of electrical conductivity in the toughest gems, to reduce test voltage applied to gems to 300 volts, and to limit electrical test current through a gem to no more than a few micro-amps.

Abstract: By using techniques for near field probes to measure dielectric values of blanket films, the measure of the sidewall damage of the patterned structure is calculated. The interaction between the near field probe and the etched structure is modeled to obtain the model total capacitance. The near field microwave probe is calibrated on a set of blanket films with different thicknesses, and the dielectric constant of the etched trench structure is calculated using the measured frequency shift and calibration parameters. The measured capacitance is further calculated for the etched trench structure using the dielectric constant and the total thickness of the etched trench structure. The effective dielectric constant of the structure under study is extracted where the model capacitance is equal to the measured capacitance. The measure of the sidewall damage is further calculated using the effective dielectric constant.

Abstract: A cell for the measurement of resistivity and/or permittivity of a liquid, under variable ac frequency energizing, preferably includes a first set of n+1 metal plates interleaved with a second set of n places, both sets of plates preferably being of the same size and shape for the liquid filling the spaces between facing plates. The two sets of alternating plates are separately electrically interconnected. The plates are supported at their peripheries in spaced apart and insulated relationship so that, during variable ac frequency testing, current flow through the liquid is in a path perpendicular to the facing plates.

Abstract: An integrated microstructure sensor element is proposed for detecting thermodynamic measured variables of a fluid. To that end, a supporting body, particularly a board or a wafer having at least one microstructured heating element in contact with the fluid during operation, is provided, on which or in whose vicinity are arranged first arrangement for at least intermittently acting on the heating element with an electric alternating current of defined frequency or a defined frequency band, as well a second arrangement for detecting the amplitude of the third harmonic wave of the electric voltage applied to the heating element. The proposed microstructure sensor element in the form of a compact, integrated component is suitable in particular for determining or monitoring the thermal conductivity and/or the thermal capacity of a fluid, particularly an oil in a motor vehicle.

Abstract: A calibrating system for automatically eliminating or reducing imbalance between a first signal and a second signal is disclosed. The calibrating system includes: a programmable delay module, receiving to the first and the second signals; a phase detecting module, coupled to the programmable delay module, for receiving the first and the second signals from the programmable delay module, and comparing a phase of a reference signal with phases of the first and the second signals, respectively; and a de-skew controlling module, coupled to the programmable delay module and the phase detecting module, for controlling the programmable delay module to eliminate imbalance between the first and the second signals by at least delaying the first signal according to a comparison result of the phase detecting module.

Abstract: A transducer in the form of a potentiometer provides an output signal indicative of a position of a component. The potentiometer comprises a body, a member moveable relative to the body and having an end portion for coupling to the component, and a resistor mounted to the body. A wiper is coupled to the member and forms a slidable electrical contact to the resistor. The potentiometer also comprises a contactor means for providing selectable contact positions to the resistor of respective first and second electrical conductors, so as to provide a selected operating section of said resistor.