Abstract: The present invention relates to a spring contact, which is integrally formed by blanking and bending a metal plate member, the spring contact comprising: an upper head portion 32 having an upper tip 31 protruding upward; a spring portion (36) formed by a strip cylindrically bent, the strip extending in a zigzag pattern from an upper connection portion 35 extending downward from the upper head portion 32; a lower head portion 39 extending downward from a lower connection 37 extending from the lower end of the spring portion 36; and a lower tip 40 being provided on the lower end of the lower head portion 39. The present invention is advantageously suitable for manufacturing a fine-pitch spring contact and can improve productivity and reduce manufacturing costs.

Abstract: A visualization method for screening electronic devices is provided. In accordance with the disclosed method, a probe is applied to a grid of multiple points on the circuit, and an output produced by the circuit in response to the stimulus waveform is monitored for each of multiple grid points where the probe is applied. A power spectrum analysis (PSA) produces a power spectrum amplitude, in each of one or more frequency bins, on the monitored output for each of the multiple grid points. The PSA provides a respective pixel value for each of the multiple grid points. An image is displayed, in which image portions representing the multiple grid points are displayed with the respective pixel values.

Abstract: A system for equalizing the pixels in an array of pixels that include semiconductor devices that age differently under different ambient and stress conditions. The system extracts at least one pixel parameter from the array; creates a stress pattern for the array, based on the extracted pixel parameter; stresses the pixels in accordance with the stress pattern; extracts the pixel parameter from the stressed pixels; determines whether the pixel parameter extracted from the stressed pixels is within a preselected range and, when the answer is negative, creates a second stress pattern for the array, based on the pixel parameter extracted from the stressed pixels, stresses the pixels in accordance with the second stress pattern, extracts the pixel parameter from the stressed pixels, and determines whether the pixel parameter extracted from the stressed pixels is within the preselected range.

Abstract: A combination test device including detection circuitry, outlet tester circuitry, and a single housing. The detection circuitry is configured to wirelessly detect a voltage. The outlet tester circuitry electrically is configured to perform a plurality of electrical outlet testing functions. The single housing has a first end, a second end opposite the first end, and an enclosure between the first end and the second end. The enclosure encloses the detection circuitry positioned at the first end and encloses the outlet tester circuitry positioned at the second end.

Abstract: Disclosed herein is a circuit for determining failure of a movable MEMS mirror. The circuit includes an integrator receiving an opening angle signal representing an opening angle of the movable MEMS mirror, and a differentiator receiving the opening angle signal. A summing circuit is configured to sum the integrator output and the differentiator output. A comparison circuit is configured to determine whether the sum of the integrator output and differentiator output is not within a threshold window. An indicator circuit is configured to generate an indicator signal indicating that the movable MEMS mirror has failed based on the comparison circuit indicating that the sum of the integrator output and differentiator output is not within the threshold window.

Abstract: There is provided a method that includes (a) detecting a partial discharge on a power line that carries a power signal, (b) measuring a characteristic of the partial discharge, thus yielding a measured characteristic, (c) determining that the measured characteristic satisfies a measurement criterion, thus yielding a qualified partial discharge, (d) incrementing a count of cycles of the power signal that contain qualified partial discharges, (e) calculating, for a plurality of cycles of the power signal, based on the count, a percentage of the plurality of cycles that contain qualified partial discharges, and (f) utilizing the percentage in a subsequent operation. There is also provided a system that performs the method, and a storage device that contains instructions for a processor to perform the method.

Abstract: Methods and apparatus to provide an integrated circuit having a magnetic sensing element having differential first and second outputs and an input, the input to receive current and first and second switches coupled to a respective one of the differential first and second outputs. A first voltage source is coupled between the first and second switches, the first and second switches having a first state in which the first voltage source is coupled across the differential first and second outputs, and an IC output can output a voltage corresponding to the first voltage source when the first and second switches are in the first state for monitoring operation of a signal path from the magnetic sensing element to the IC output.

Abstract: A patient care system is configured for infusing fluid to a patient. The system includes a plurality of modular fluid infusion pumps that each has a connector for connecting to a modular programming unit or to one another. Systems and methods are configured for verifying that the connectors are reliably performing their functions or communicatively connecting the pumps to one another or to the programming unit.

Abstract: A system includes a power converter including a primary bridge unit to receive a primary voltage from a voltage source, the primary bridge unit includes a first plurality of electronic switches, and each of the first plurality of electronics switches has a turn ON time and a turn OFF time. Further, the power converter includes a transformer including a primary winding and a secondary winding, the primary winding is coupled to the first plurality of electronic switches. Also, the power converter includes a secondary bridge unit including a second plurality of electronic switches coupled to the secondary winding. Additionally, the system includes a controller to determine an inductance of the power converter based on the primary voltage, the turn ON time of the first plurality of electronic switches, a switching cycle time of the power converter, and one of an average current and a peak current in the power converter.

Abstract: The present invention is directed to an electrical wiring device that includes a test circuit that is configured to generate a recurring simulated fault signal. A detection circuit is configured to generate a test detection signal in response to the recurring simulated fault signal. An end-of-life monitor circuit is configured to generate an end-of-life detection signal if the test detection signal is not generated within a first predetermined period of time. At least one indicator is configured to emit an indication signal in response to the end-of-life detection signal. A response mechanism is configured to decouple the plurality of line terminals from the plurality of load terminals after a second predetermined period of time has elapsed following the end-of-life detection signal.

Abstract: A method of detecting delamination of a composite component, the composite component having a plurality of plies and a plurality of z-pins extending through the composite component in a direction transverse to the plies. The method includes measuring one or more material properties of one or more of the z-pins. The measured material properties are compared to reference material properties. An estimation of whether delamination has occurred is performed based upon the comparison of the measured material properties and the reference material properties.

Abstract: A lightning current measuring device is provided with: a polarized light separation element which separates light output from a sensor fiber into horizontal and vertical components having orthogonal planes of polarization, a Faraday rotation angle calculation unit calculating a Faraday rotation angle through arc-sine processing of a digitized signal of the difference between the horizontal and vertical components converted to a signal through photoelectric conversion after separation by the polarized light separation element, amplifiers which amplify the horizontal and vertical components converted to a signal through photoelectric conversion after separation by the polarized light separation element, a Faraday rotation angle calculating unit which calculates a Faraday rotation angle based on a digitized signal of the difference between the amplified horizontal and vertical components, and current value conversion units converting current values based on the calculated Faraday rotation angles.

Abstract: The disclosure herein relates to a partial discharge detection board comprising a high voltage resistor divider. The high voltage resistor divider can reduce a voltage peak of an impulse surge generated by a surge board. The high voltage resistor divider can also include a high side with a first resistance and a low side with a second resistance.

Abstract: The present invention relates to a novel means and a novel method for detecting a capacitance connected to AC power, which detect a sensor capacitance on the basis of a charge sharing phenomenon occurring due to a difference between voltages applied to a sensor capacitor and an auxiliary capacitor connected to a detection system when an AC voltage applied to the detection system alternates. According to the present invention, since the sensitivity of a signal detected by a detection system is improved, a magnitude and a change amount of a sensor capacitance are stably acquired.

Abstract: An ionization vacuum measuring cell comprises an anode (3A) and a cathode (4K) in a measuring chamber (107). The measuring chamber (107) is arranged in a housing (101) which has a vacuum-tight feedthrough (103) for a connection rod (104) of the cathode (4K) towards the outside. The measuring chamber (107) holds the rod (104) in a feedthrough (109) which is electrically insulating only. The measuring chamber (107) in the housing (101) can be exchanged by a releasable plug connection (106).

Abstract: An input device including a base, a plastic part provided on the base, and a touch sensor embedded in the plastic part. Embedding the touch sensor in the plastic part contributes to the reduction of the distance from an outer face of the base to the touch sensor, thereby improving the sensitivity of the touch sensor. Embedding the touch sensor in the plastic part also makes it possible to omit a step of fixing the touch sensor to the plastic part, thereby improving the yield rate of the input device.

Abstract: A system may comprise a frame, a pair of rolls with each of the rolls comprising a roll body having opposite ends and a circumferential surface, a plurality of teeth being formed on the circumferential surface, and at least a portion of the circumferential surface being electrically conductive. The roll may also have a roll shaft having end portions extending from the roll body, with each of the end portions extending from one of the ends of the roll body. The system may also comprise roll supports configured to support the rolls on the frame in a manner such that at least one of the rolls is movable to adjust a separation gap between the rolls, a detection apparatus configured to detect contact between the rolls, and a signaling apparatus configured to produce a signal indicating a change in electrical potential is detected by the detection apparatus.

Abstract: A film covered battery (1) has a flat shape with an outer cover member (5) formed of a laminate film to accommodate therein a battery element (4) together with an electrolytic solution. For reliable inspection of an insulation failure between a metal layer (52) of the laminate film and a negative electrode plate (42) of the battery element (4), an inspection test is performed on the film covered battery by a first inspection device (73) under a condition where pressure is applied to a center region of the outer cover member (5) by a first press bar (72); and an inspection test is performed on the film covered battery by a second inspection device (83) under a condition where pressure is applied to the remaining side regions of the outer cover member (5) by a second press bar (82).

Abstract: A method for ascertaining a load capacitance of a data bus includes reading in and a determining task. In the reading in, a scaling factor of a synchronization pulse of the data bus is read in. In the determining, the load capacitance is determined using the scaling factor and a processing rule.

Abstract: A method for measuring free radical comprises providing a sensor including a substrate and a conductive polymer layer, wherein the conductive polymer layer is configured on the substrate and made of conductive polymer; applying a liquid sample with free radical to the sensor so that the conductive polymer layer is covered with the liquid sample and the conductivity of the conductive polymer layer is lowered due to oxidation of the conductive polymer by free radical; and calculating the concentration of the free radical in the liquid sample based on the conductivity change rate of the conductive polymer before and after the liquid sample is applied to the conductive polymer. The present invention has advantages including low cost, small size, and ease of operation, which make it a good candidate for detecting hydroxyl radicals for oxidative stress studies.