Abstract: At least one exemplary aspect comprises an apparatus for multi-channel metering of electricity, comprising: (a) a meter head that comprises one or more metering points, the meter head operable to connect and disconnect service on each one of a plurality of electricity consumer lines, and the meter head operable to measure electricity usage for each of the plurality of electricity consumer lines; and (b) a housing containing the meter head and a distribution transformer. In another aspect, an apparatus comprising a meter head is operable, in response to an interruption in flow of electricity being received from a distribution transformer, to actuate corresponding relays to disconnect service on one or more of the electricity consumer lines. In another aspect, an apparatus comprising a meter head is in communication with one or more sensors operable to sense environmental conditions in a distribution transformer housing.

Abstract: Disclosed is a wafer level testing method for testing a plurality of singulated 3D-stacked chip cubes by utilizing adjustable wafer maps to adjust the pick-and-place positions of the cubes on a carrier wafer. The wafer maps have a plurality of probe-card activated regions each including a plurality of component-attaching regions. Two wafer-level testing steps are performed on the cubes disposed on the carrier wafer according to the wafer maps. By analyzing the electrical testing results of the trial-run wafer-level testing step from the original wafer map, some prone-to-overkill component-attaching regions are confirmed and to create a corrected wafer map which the prone-to-overkill component-attaching regions are excluded from probe-card activated regions. Then, according to the corrected wafer map, cubes are disposed on the carrier wafer without disposing in the prone-to-overkill component-attaching regions.

Abstract: The present invention allows a technician a quick reference diagnostics of an automotive individual electrical circuit by replacement of the OEM relay with a diagnostics relay incorporating a series of LED bulbs designed to illuminate individually upon completion of each internal switching function. Adjacent to an LED is a voltage portal which allows measurement of voltage during each function stage of relay switching.

Abstract: There is provided a test apparatus that is capable of applying, to a device under test, a current that rises within a short period. A test apparatus for testing a device under test, includes a current source that supplies the device under test with a current, a dummy load that has an electrical characteristic corresponding to an electrical characteristic of the device under test, and a switching section that switches whether the current source is connected to the dummy load or the device under test. Here, after connecting the current source to the dummy load, the switching section disconnects the current source from the dummy load and connects the current source to the device under test when a voltage applied to the dummy load reaches a voltage within a predetermined range.

Abstract: Electrical current transducer comprising a measuring circuit (6) and an inductor (4) for measuring a primary current IP flowing in a primary conductor (2), the inductor comprising a saturable magnetic core (10) made of a highly permeable magnetic material and a secondary coil (12) for carrying an alternating excitation i configured to alternatingly saturate the magnetic core, the coil being connected to the measuring circuit. The measuring circuit is configured to measure a mean value of the excitation current in the secondary coil and determine therefrom a value of the primary current for small current amplitudes, the measuring circuit being further configured for evaluating the frequency of the excitation current i and determining therefrom the value of the primary current for large currents.

Abstract: A smoke detection sensor ion chamber has a leakage current that is dependent upon the permittivity of the ionized gas (air) in the chamber. Smoke from typical fires is mainly composed of unburned carbon that has diffused in the surrounding air and rises with the heat of the fire. The permittivity of the carbon particles is about 10 to 15 times the permittivity of clean air. The addition of the carbon particles into the air in the ion chamber changes the permittivity thereof that is large enough to detect by measuring a change in the leakage current of the ion chamber.

Abstract: A magnetic field sensor includes a reference-field-sensing circuit channel that allows a self-test or a self-calibration of the circuitry of the magnetic field sensor. The self-test or the self calibration can have at least two different bandwidths that provide a respective at least two different rates of self-test or self-calibration.

Abstract: A smoke detection sensor ion chamber has a capacitance and a change in the permittivity of that capacitance dielectric (ionized air in the chamber) may be used to detect the presence of smoke therein. Smoke from typical fires is mainly composed of unburned carbon that has diffused in the surrounding air and rises with the heat of the fire. The permittivity of the carbon particles is about 10 to 15 times the permittivity of clean air. The addition of the carbon particles into the air in the ion chamber changes in the permittivity thereof that is large enough to measure by measuring a change in capacitance of the ion chamber.

Abstract: A smoke detection sensor ion chamber has a capacitance and a change in the permittivity of that capacitance dielectric (ionized air in the chamber) may be used to detect the presence of smoke therein. Smoke from typical fires is mainly composed of unburned carbon that has diffused in the surrounding air and rises with the heat of the fire. The permittivity of the carbon particles is about 10 to 15 times the permittivity of clean air. The addition of the carbon particles into the air in the ion chamber changes in the permittivity thereof that is large enough to measure by measuring a change in capacitance of the ion chamber.

Abstract: A control test device for testing a dual starter system has a first and a second starter. Each starter has a starter electrical interface including a starter start signal interface and a starter status signal interface. The control test device includes a first and a second communication interface for communicating a test signal to the first and second starter respectively. Each communication interface includes an electrical interface for interfacing with the first and second starter electrical interface. The test signal includes a start signal and a status signal. The start signal interfaces with one of the first and second starters start signal interface. The status signal sends a simulated status of the other one of the first and second starters to the one of the first and second starters start interface. A switch mechanism commands the start signal to one of the first and second starters.

Abstract: Various embodiments comprise apparatuses and methods for testing and repairing through-substrate vias in a stack of interconnected dice. In various embodiments, an apparatus is provided that includes a number of through-substrate vias to couple to one or more devices, at least one redundant through-substrate via to allow a repair of the apparatus, and a pair of pull-up devices coupled to the through-substrate vias and the redundant through-substrate via to provide a high-data value to the first end of the respective through-substrate vias. A test register is coupled the second end of each of the through-substrate vias and the redundant through-substrate via to store a received version of the high-data value. A comparator compares the high-data value with the received version of the high-data value to test the through-substrate vias for short-circuit connections.

Abstract: A method and apparatus for differential voltage grid-based moisture monitoring of structures is provided. The method involves detecting a defect in a structural component, the structural component comprising a membrane for fluid impermeability, a deck for supporting the membrane, and a plurality of electrically conductive elements adjacent the membrane and electrically insulated from each other, by sensing the potential difference between a first element of the plurality of elements and a second element of the plurality of elements separated from the first element when there is an electrical potential between the deck and an electrically conductive fluid in contact with the first and second elements. The apparatus includes a switching circuit for connecting a voltage measuring circuit to the first and second elements, the voltage measuring circuit being operable to sense the potential difference between the first and second elements.

Abstract: A monitoring system for a powered system includes an electric energy sensor, a rotation sensor, and a monitoring device. The electric energy sensor is coupled with a blower to measure an amount of electric energy that powers the blower to draw air through an inlet duct and over one or more bodies to cool the bodies. The rotation sensor is coupled with the blower to measure a rotation speed at which the blower operates to draw the air through the inlet duct when the blower is powered with the amount of electric energy. The monitoring device compares the rotation speed of the blower with a designated speed limit that is associated with the amount of electric energy to determine if the inlet duct is at least partially blocked. The monitoring device identifies the inlet duct as being at least partially blocked when the rotation speed exceeds the designated speed limit.

Abstract: A production method of a gas cell includes: forming a coating layer on a surface of a plate material; assembling a plurality of the plate materials having the coating layer formed thereon so as to form a cell surrounded by the surface having the coating layer formed thereon; and filling the formed cell with an alkali metal gas.

Abstract: A current detection circuit comprises: a series circuit of a first current detection part series to a first semiconductor and a second current detection part, which detects current having a smaller range than the first current detection part; a second semiconductor device, which is provided with a second drive circuit, connected in parallel with the second current detection part; and a current determination circuit configured to switch between the first current detection part and the second current detection part, based on the magnitude of the detection current of the first current detection part, wherein, when the detection current of the first current detection part is larger than a predetermined value, the voltage from the first current detection part is output, and wherein, when the detection current of the first current detection part is smaller than the predetermined value, the voltage from the second current detection part is output.

Abstract: A tester for testing a transformer is provided. The tester comprises a primary voltmeter and a plurality of secondary voltmeters. The tester may also comprise an ammeter in series with a voltage source configured to apply voltage to the transformer. The primary voltmeter is configured to measure voltage induced across a primary winding of the transformer, while the secondary voltmeters may simultaneously measure voltage outputs at secondary windings of the transformer. The tester is configured to calculate ratios, saturation curves, and knee points for multiple winding combinations based on the measurements simultaneously obtained by the ammeter and the primary and secondary voltmeters.

Abstract: This invention provides an electronic circuit component authenticity determination method capable of determining whether an electronic circuit component is a component manufactured by an authorized manufacturer. The electronic circuit component is operated under a predetermined condition at the time of manufacturing or initialization of the electronic circuit component. The waveform of power consumption or an electromagnetic wave at the time of the operation is measured and stored as first waveform data. An authenticity determination target electronic circuit component is operated under the predetermined condition. The waveform of power consumption or an electromagnetic wave is measured and temporarily stored as second waveform data. The stored first waveform data is compared with the second waveform data. It is determined that the electronic circuit component is a genuine when the waveform data match.

Abstract: What is disclosed is a current measuring apparatus comprising: a mains connector, such as a plug, for connecting to a wire of a mains supply; an apparatus connector, such as a socket, to provide for electrical conduction to an electrical apparatus; a coil in series between the mains connector and the apparatus connector; and a measurement circuit that is operative to measure a voltage drop across the coil. In particular the coil is one present to also filter the mains signal. Also disclosed is a mains voltage powered consumer product, a network and an adaptor utilizing the current measuring apparatus.

Abstract: Magnetic field sensor having a vertical Hall sensor element arranged in a semiconductor substrate, and an exciting conductor arrangement having at least one exciting conductor, the exciting conductor being arranged within an exciting conductor plane which is spaced apart, in parallel to the substrate surface, from the vertical Hall sensor element at a vertical distance h1 having a tolerance range ?h1 which is due to the manufacturing process, and which exciting conductor further has a lateral distance d1 as an offset from a center position which is located, in relation to the substrate surface, perpendicularly to the vertical Hall sensor element, and the lateral distance d1 being dimensioned such that a vertical calibration component B1x of a magnetic flux density B1 created by the exciting conductor arrangement in the vertical Hall sensor element changes by less than 5% within the tolerance range ?h1 for the vertical distance h1.

Abstract: A position detection device includes a first component provided by molding of a first mold resin with a first hall IC, a second component provided by molding of a second mold resin with a second hall IC, a terminal connected to a first wiring of the first component and to a second wiring of the second component, and a third mold resin molded to hold and protect the first component, the second component and the terminal. The third mold resin fixing the first component and the second component to each other. Accordingly, the position detection device can be provided, which includes a component usable commonly for a variety of position detection devices which are different in the number of hall ICs.