A method of forming microelectronic systems on a flexible substrate includes depositing a plurality of layers on one side of the flexible substrate. Each of the plurality of layers is deposited from one of a plurality of sources. A vertical projection of a perimeter of each one of the plurality of sources does not intersect the flexible substrate. The flexible substrate is in motion during the depositing the plurality of layers via a roll to roll feed and retrieval system.

A profiled retaining section for positioning a seam connecting two decorative layers includes an upper region, a center region and a lower region forming at least one anchor. The upper region is designed as a piping, or in the manner of a piping, for protruding over a visible side of the skins to be positioned. The center region includes two sides to be sewn to the decorative layers. The anchor is designed to be introduced in a groove having a lesser width than the anchor itself and to exert a force on the groove in the lateral direction. The upper region, the center region and the anchor are integral with each other and arranged in the vertical direction relative to each other. Also described is a composite part that uses the profiled retaining section.

A rotary mechanism includes an accommodating slot structure, a supporting arm, a pivoting portion and a resilient component. The accommodating slot structure is disposed on the bezel. The accommodating slot structure includes a pivot hole structure and an opening structure, respectively formed on the lateral surface and a bottom of the accommodating slot structure. The supporting arm is disposed on the door. The pivoting portion is disposed on the surface of the supporting arm. The pivoting portion is disposed inside the pivot hole structure, so that the supporting arm is rotatably disposed inside the accommodating slot structure. The resilient component is movably accommodated inside the opening structure. A first end of the resilient component is resiliently connected to the lateral surface of the accommodating slot structure. A second end of the resilient component points the surface of the supporting arm, to prevent the pivoting portion from separation.

An electronic device capable of ejecting a peripheral element is disclosed, including a housing, a first wheel and a driving unit. The housing has a chamber, wherein the peripheral element is stored in the chamber. The first wheel is disposed in the housing, wherein the first wheel contacts the peripheral element. The driving unit is disposed in the housing, the driving unit rotates the first wheel, and the first wheel moves the peripheral element from a first position to a second position.

A portable electronic device includes a lower housing and an upper housing slidable relative to the lower housing between closed and open positions. The upper housing includes an auxiliary input device and a display. A primary flex connector electrically connects the lower and upper housings. At least one secondary flex connector may electrically connect the primary flex connector to the auxiliary input device or the display. The upper housing may include a cover plate that is removable to allow access to at least a portion of the flex connectors.

A portable electronic device includes first and second device units and at least one hinge assembly configured to pivotably connect the second device unit to the first device unit. The hinge assembly includes a first fixing unit configured to be fixed to the first device unit, a second fixing unit configured to be fixed to the second device unit, a plurality of shaft members configured to be arranged in parallel with one another and to include first and second outer shaft members respectively mounted on the first and second fixing units and a plurality of inner shaft members arranged between the first and second outer shaft members, and a gear unit mounted on the shaft members to connect the plurality of shaft members with one another through a gear mesh.

An electronic device includes first and second bodies. The second body includes a display module and a supporting assembly. The supporting assembly includes a sliding component slidably disposed on the display module and a pivot component pivoted to the first body and the sliding component. When the second body expands from the first body through the rotation of the pivot component relative to the first body, the sliding component and the pivot component are adapted to rotate relative to each other so that a bottom side of the display module moves to a predetermined position on the first body. When the bottom side is located at the predetermined position, the sliding component and the display module are adapted to slide relative to each other so that the display module rotate around the bottom side, so as to change an included angle between the display module and the first body.

An electronic device includes a first body, a supporting arm, at least one first hinge, a first coupling member and at least one second coupling member. The first hinge is connected between the first body and the supporting arm. The supporting arm can rotate relatively to the first body through the first hinge. The first coupling member is disposed in the first body. The second coupling member is disposed in the supporting arm. When the second coupling member moves to at least one predetermined position, the first coupling member and the second coupling member are attracted by each other.

An electronic device includes: a housing provided with an opening that accommodates a component; a cover member that covers the opening; a projecting part that projects from an inside face of the housing; a slide knob slidably provided to a surface of the housing; and an elastic slide lock member that fixes the cover member to the housing, wherein the elastic slide lock member includes: a movement part that is coupled to the slide knob, moves together with the slide knob, and is provided with a fixing projection; a fixing part that is rotatably supported by the projecting part of the housing; and a coupling part that couples the movement part and the fixing part and is elastically deformable.

An exemplary rotating mechanism for positioning a rotation angle of a second body relative to a first body is provided. The first body includes a pair of sidewalls. The second body includes a pair of connecting arms rotatably connected to the sidewalls. The rotating mechanism includes a pair of positioning gears rotatably connected to the sidewalls, a brake slidably connected to the first body, and a button fastened to the brake. Each of the positioning gears includes a positioning block extending out of the sidewalls. The brake is driven to brake the positioning gears by the button when the button is moved towards the sidewalls. The positioning block is fixed at a predetermined position to position the rotation angle of the second body when the positioning gears are braked.

A method of treating a carbon structure is provided. The method may include the step of infiltrating the carbon structure with a ceramic preparation comprising yttrium oxides and zirconium oxides. The carbon structure may be densified by chemical vapor infiltration (CVI) and heat treated to form yttrium oxycarbides and/or carbides and zirconium oxycarbides and/or carbides. Heat treating the carbon structure may comprise a temperature ranging from 1000° C. to 1600° C.

An interdigitated cellular cushioning system includes an array of void cells protruding from each of two sheet layers interdigitated between the two sheet layers. Peaks of each of the void cells are attached to the opposite sheet layer forming the interdigitated cellular cushioning system. The interdigitated cellular cushioning system may be used to absorb and distribute a source of kinetic energy incident on the interdigitated cellular cushioning system (e.g., an impact or explosion) so that the amount of force transmitted through the interdigitated cellular cushioning system is low enough that it does not cause injury to personnel or damage to personnel and/or equipment adjacent the interdigitated cellular cushioning system.

Solid carboniferous fuels contain varying quantities of moisture, mercury, chlorine, nitrogen, sulfur, heavy metals and other materials that attain vapor pressure at elevated temperatures. The cost effective removal of these degrading and sometimes hazardous materials is important to the further use of the fuel for combustion as a solid, liquid, or gas. The solid fuel is cut, shredded, ground or sieved to appropriate size, and heated in a chamber that can exclude oxygen and air thus preventing ignition. The unwanted materials are driven in the gaseous state and extracted for disposal. The solid fuel cleaned of pollutants exits the chamber and is cooled below ignition temperature prior to contact with oxygen. The solid fuel thus purified is more appropriate for combustion, liquefaction or gasification due to the reduced costs in use as a fuel or in the post combustion clean up.

A system, including a gasifier comprising a wall defining a chamber, an inlet, an outlet, and a port, a combination feed injector coupled to the inlet, wherein the combination feed injector is configured to inject a first fuel and air or oxygen into the chamber to preheat the gasifier, and the combination feed injector is configured to inject a second fuel and oxygen into the gasifier after preheating to gasify the second fuel, an optical device coupled to the port, a sensor coupled to the optical device, and a monitoring system coupled to the sensor, wherein the monitoring system is configured to acquire data from the sensor, process the data, and provide an output representative of a condition of the gasifier based on the data.

Disclosed are electronic devices and connectors, including: a first main body, a second main body; the first magnet being arranged at a first end of the first main body and the second magnet being arranged at a second end of the second main body; the first magnet having a magnetic property opposite that of the second magnet; the first main body being pluggably connected to the second main body through the interaction between the first magnet and the second magnet; the first number of spacers is arranged at a preset position of the first magnet, and the first number of spacers is arranged at a preset positions of the second magnet; and the spacers are non-magnetic. Other embodiments, including manufacturing methods, are described and claimed.

In one example an electronic device comprises at least one electronic component, a chassis comprising a first section, a connector to connect the first section of the chassis to a second section, the connector comprising a housing defining a first shaft, a retention structure disposed in the shaft, and a plurality of electrical contacts positioned within a corresponding plurality of channels in the retention structure. Other examples may be described.

A composite electronic connector comprising an insulating housing, a USB Type-C connector and a USB Type-A connector which are arranged in the insulating housing is disclosed. The USB Type-C connector comprises a circuit board, a connecting line and a plurality of transferring terminals. One side of the circuit board is arranged with twenty-four golden fingers, other side of the circuit board is connected with the plurality of transferring terminals. The connecting line is used to integrate signal transmitted through the twenty-four golden fingers of the USB Type-C connector into USB Type-A standard adopted outputting signal, and outputs the outputting signal through the plurality of transferring terminals.

There is provided an adapter for adapting an electronic device to a modular electronic device system. The adapter generally has a housing having two lateral edges, a cavity between the lateral edges and being adapted to receive the electronic device, each of the two lateral edges of the housing having at least one magnetic coupler electrically connectable with at least one magnetic coupler of the modular electronic device system by magnetically engaging the at least one magnetic coupler of the adapter with the at least one magnetic coupler of the modular electronic device system, and an internal electric conductor network electrically connected to the magnetic couplers of the adapter and electrically connected to an internal connector which is electrically connectable to the electronic device when received in the cavity of the housing.

An arrangement for an electronic device is disclosed. A plurality of electrically conductive pins is positioned in respective vias of the circuit carrier, the pins extend from a first face of the circuit carrier to a contact end in order to electrically contact one or more components. The arrangement is equipped with an electrically insulating layer on a circuit carrier face, which is the first or a second face, in the region of the pin, the insulating layer having a prefabricated element which is positioned on the face of the circuit carrier. A portion of each pin, the portion being arranged adjacently to the respective via on the face, is surrounded by the material of the insulating layer in a continuously lateral manner.

Provided is an electronic device that is highly resistant to a water-soluble grinding oil and a method for manufacturing the same. An electronic device includes a main body and a cable including a lead wire, an insulating portion, and an outer coat, a first sealing portion that covers the insulating portion, and a second sealing portion that seals the first sealing portion, the insulating portion is made of a material that is more resistant to a water-soluble grinding oil than the outer coat is, and the first sealing portion is made of a material that has higher adherence to the insulating portion than that of the second sealing portion does.

An electronic device system can include an electronic device. The electronic device can include a receptacle, and a device logic driving status unit configured to generate a status signal indicating activity of the electronic device, and a communications cable. The communications cable can include a first plug configured to connect to the receptacle and receive the status signal, wherein the first plug includes a status indicator configured to indicate activity of the electronic device based on the status signal.

A terminal block for an electronic device, which block can be attached to an electronics housing of the electronic device, includes at least one base strip comprising a plurality of connector sockets; and a plurality of connector modules that can be attached to the connector sockets of the at least one base strip in at least one insertion direction, are held on the connector sockets in an inserted position, and can be released from the connector sockets to be removed from the at least one base strip; and a locking device. The locking device includes: an actuating part that can be moved relative to the at least one base strip in an actuation direction; and a plurality of locking elements that are engaged in a locking manner in mating elements of the connector modules in a locked position.

Disclosed herein are abrasive grains based on zirconia alumina melted in an electric arc furnace, comprising a content of 52 to 62 wt % Al203 and 35 to 45 wt % ZrO2, wherein the high-temperature phases of the zirconia are stabilized by a combination of reduced Ti compounds and yttrium oxide.

An electronic device including a signal generating circuit and a movable sensing circuit is provided. The signal generating circuit generates a sensory signal through a signal source. The movable sensing circuit generates a feedback signal in response to a detection signal from the signal generating circuit, and transmits the feedback signal to the signal generating circuit. The signal generating circuit obtains a first distance value between the signal source and the movable sensing circuit based on the feedback signal, and adjusts the intensity of the sensory signal according to the first distance value.

Methods and devices are presented for synchronizing positioning signals in a kinematic location network. In particular, methods and devices are presented for synchronizing a unique positioning signal generated by a positioning-unit device to a reference positioning signal generated by a reference transmitter, where the positioning-unit device and the reference transmitter are moving relative to each other. In certain embodiments the reference transmitter or the positioning-unit device, or both, self-monitor trajectory data comprising one or more of location, velocity or acceleration, e.g. using inertial navigation systems, and broadcast that data in their positioning signals. The trajectory data enables estimation of Doppler shifts and propagation delays associated with the positioning signals, allowing measurement and correction of clock drift for synchronization of the positioning signals.

An apparatus may include a plurality of antenna elements forming an antenna array. The apparatus may further include a beamformer that determines one or more of phase and amplitude shifts to cause the plurality of antenna elements to produce a beam in the direction of a target. The apparatus may further include a null limiter comprising dither circuits. The dither circuits may dither the one or more of phase and amplitude shifts by adding noise to cause a side lobe of the beam to increase above a threshold value. The dither circuits may be enabled by a control signal, and the dithered one or more of phase and amplitude shifts may be provided to the antenna elements to produce the beam in the direction of the target with the side lobes above the threshold value.

A system comprising: an interrogator device, comprising: a first transmit antenna configured to transmit radio-frequency (RF) signals circularly polarized in a first rotational direction; and a first receive antenna configured to receive RF signals circularly polarized in a second rotational direction different from the first rotational direction; and a target device, comprising: a second receive antenna configured to receive RF signals circularly polarized in the first rotational direction and a second transmit antenna configured to transmit, to the interrogator device, RF signals circularly polarized in the second rotational direction.

In one embodiment, a radio altimeter tracking filter is provided. The filter comprises: a wireless radio interface; a processor coupled to the wireless radio interface; a memory coupled to the wireless radio interface; wherein the wireless radio interface is configured to wirelessly receive a radio altimeter signal and convert the radio altimeter signal to a baseband frequency signal, wherein the a radio altimeter signal sweeps across a first frequency spectrum between a first frequency and a second frequency; wherein the processor is configured to pass the baseband frequency signal through a filter executed by the processor, the filter comprising a passband having a first bandwidth, and wherein the filter outputs a plurality of spectral chirps in response to the baseband frequency signal passing through the first bandwidth; wherein the processor is configured to process the plurality of spectral chirps to output characteristic parameters that characterize the radio altimeter signal.

A first method includes receiving a first reflected radar signal from a target in a first field of view and receiving a second reflected radar signal from a target in a second field of view offset from the first field of view by a predetermined distance; transforming the first and second reflected radar signals to obtain first and second sets of frequency coefficients, from which a frequency-dependent phase difference is obtained; and calculating a time-delay from the slope of the frequency dependence. A second method includes obtaining summed difference values between the first and second radar responses, where each of the summed difference values corresponds to different time shifts between the first and second radar response, and deriving from the summed difference values a time-delay associated with the target's motion from the first field of view to the second field of view. A third method combines the time-delays or associated speeds obtained from independent estimators.

An electronic device includes an antenna including an antenna electrode, a circuit substrate, and a short-circuit portion short-circuiting the antenna electrode and the circuit substrate, a display unit, a case accommodating the antenna and the display unit, and a band connected to the case. In the short-circuit portion, a width in a direction intersecting a line segment binding a position of the short-circuit portion connected to the antenna electrode and a position of the short-circuit portion connected to the circuit substrate is narrower than a maximum width of the antenna electrode and a maximum width of the circuit substrate in a direction oriented along the intersection direction.

A vehicle cooperative object positioning optimization method and comprises steps of: receiving an information package by the local vehicle and the information package having a vehicle original coordinate and at least one object original coordinate provided by a neighbor vehicle respectively including different positioning accuracies; performing a time delay compensation for the vehicle original coordinate and the object original coordinate to acquire a vehicle coordinate and an object coordinate of the neighbor vehicle respectively; performing an optimizing procedure to optimize the vehicle coordinate and the object coordinate respectively so as to obtain the vehicle optimized coordinate and the object optimized coordinate. Therefore, the vehicle optimized coordinate and the object optimized coordinate include higher accuracy than the coordinate information detected by the GPS receiver so as to determine precisely a distribution of the environmental objects and enhance driving safety.

A system for growing plants without soil uses removable V-shaped baskets to support plants in a tiered, self-contained unit. Nutrient enriched water is sprayed on the plant roots. The roots are held by perforations in the elongated V-shaped basket and a plant blanket. The unit is multilevel and can be set over an aquarium. The growing shelf can have a worm bag in order to add natural nutrients. Baskets can be comprised of a pair of identical halves that can be readily mutually coupled. Coupling mechanisms can include those that snap together and those providing for a pivoting coupling.

Embodiments are described for a closed-loop, vertical garden system for growing plants and filtering air and water comprising: a support structure; a composite, grow media configured to physically support the growth of plants and distribute water to the roots of the plants through capillary action through the area of the grow media; a water source coupled to the grow media through a pump and plumbing system, wherein the plumbing system is configured to draw water from the water source through the grow media and back to the water source in substantially closed loop aquatic system; and an air flow subsystem configured to draw outside air through the plants and transmit filtered air back out of the support structure.

An ultrasonic-rotary composite atomization mechanism comprises a housing and an ultrasonic unit passing through the housing and free to rotate with respect to the housing. A dynamic unit is installed in a position of the ultrasonic unit, which is corresponding to the housing, to drive the ultrasonic unit to rotate with respect to the housing. The ultrasonic unit includes a material supply channel, a vibration member disposed in the ultrasonic unit, and a vibration-rotation cup connected with the material supply channel. The material supply channel carries a liquid into the vibration-rotation cup. The dynamic unit and vibration member operate simultaneously to make the vibration-rotation cup rotate at high speed and vibrate ultrasonically. Thus is generated a synergistic effect: the ultrasonic vibration uses inertia force to break the cohesion and disperse the liquid, and the high-speed rotation generates centrifugal force to atomize the liquid.

An automotive tool for servicing air-conditioning (AC) systems equipped with quick-connect adaptors. May be used to service modern refrigerant R132A-compatible systems or retrofitted older systems. The tool is adapted for attaching, detaching, opening, and closing valved T-adaptors used to attach gas lines and pressure gauges such as required for adjusting pressure in AC systems at full operational pressure and temperature, and particularly finds use when the “hi-tap” and “lo-tap” fittings are in hard to reach places around the engine block or chassis. The tool includes swappable extension arms so that length and angular geometry may be adjusted as needed. The tool aids in avoiding injury on dangerously hot surfaces and moving fan blades or belts. Surprisingly, using two such tools, one for the high tap and one for the low tap, a mechanic may work each tool singlehandedly to complete any necessary pressure adjustments.

An interlayer composition including an epoxy resin; a polyvinyl phenol; a poly(melamine-co-formaldehyde) polymer; a solvent; an optional surfactant and an optional catalyst. A device including a substrate; an interlayer disposed thereon; and conductive features; wherein the interlayer is formed from a composition comprising an epoxy resin; a polyvinyl phenol; a poly(melamine-co-formaldehyde) polymer; an optional surfactant and an optional catalyst. A process for forming conductive features on a substrate including depositing an interlayer onto a substrate; thermally curing the interlayer; depositing a conductive composition onto the interlayer to form deposited features; and annealing the deposited features to form conductive features.

In nanoimprinting processes, photo-cured products often separate from the substrate and stick to the mold due to insufficient adhesion between the photo-cured product and the substrate. This causes a defect of pattern separation. An adhesion layer composition used for forming an adhesion layer between a substrate and a photocurable composition includes a compound (A) having at least two functional groups, and a solvent (B). The functional groups include at least one functional group capable of being bound to the substrate, selected from the group consisting of hydroxy, carboxy, thiol, amino, epoxy, and (blocked) isocyanate, and at least one hydrogen donating group as a functional group capable of being bound to the photocurable composition.

Disclosed herein is an electronic apparatus to allow a window to have an anti-scratch and anti-shock protection by allowing a coating unit including a coating layer having a high hardness and a coating layer having a low hardness, to be coated on an upper portion of the window. An electronic apparatus includes a display module, a window disposed on an upper portion of the display module to protect the display module, and a coating unit coated on an upper portion of the window to have a hardness to prevent the window from being damaged, wherein the coating unit comprises a first coating layer coated on the upper portion of the window and a second coating layer coated on an upper portion of the first coating layer to have a high hardness to prevent the window from being scratched, wherein the first coating layer is coated to have a relatively lower hardness than the second coating layer to absorb a shock applied to the window.

Disclosed is a housing for electronic/electrical that includes an inner panel and an outer panel, a strip of metal plate, and a strip of shape memory material. The inner panel and the outer panel are disposed parallel to each other at regular intervals to define an internal space. The strip of metal plate extends from an inner surface of the outer panel. The strip of shape memory material extends from an inner surface of the inner panel and is attached or detached to/from the metal plate on the outer panel while changing into an original straight shape or a bent shape according to a temperature variation. Here, when the temperature increase beyond a first transition temperature, the shape memory material straightens to form a heat transfer path. At a low temperature environment, the shape memory material bends and is separated from the metal plate to interrupt the heat transfer path.

Provided is an air-conditioning device for a vehicle, including: a cooling device configured to cool air passing through a duct; a heater core, which is arranged in the duct on a downstream side of airflow with respect to the cooling device, and is configured to use an engine coolant as a heat source to heat the air; a water valve provided in a coolant circulation system on an upstream side of the heater core; and a controller configured to control those components, in which the controller is configured to decrease an opening amount of the water valve in a predetermined cooling mode. The control is configured to, when the opening amount of the water valve is decreased, decrease a rotational speed of a compressor of the cooling device, and increase a target evaporator temperature of an evaporator of the cooling device, thereby decreasing cooling performance of the cooling device.

An electronic rack includes a housing to contain one or more IT components arranged in a stack, a first rack aisle formed on a first side of the one or more IT components to direct cooler air received from the cooling unit upwardly, and a second rack aisle formed on a second side of the one or more IT components to direct warmer air to the cooling unit downwardly. The electronic rack further includes a cooling unit having one or more cooling units disposed underneath the IT components to receive first liquid from an external chiller system, to exchange heat carried by the warmer air using the first liquid to generate the cooler air, to transform the first liquid into a second liquid with a higher temperature, and to transmit the second liquid carrying the exchanged heat back to the external chiller system.

A rack airflow monitoring system is configured to measure airflow through an equipment rack having a housing and a perforated front door to enable air to flow into an interior of the housing. The system includes a control module, and a plurality of airflow sensors secured to the front door of the equipment rack and coupled to the control module. Each airflow sensor is configured to detect a parameter used to measure airflow and communicate detected parameters to the control module. The control module is configured to obtain temperature, airflow velocity, and airflow directionality from the plurality of airflow sensors at the front door of the equipment rack.

An electronic apparatus and a method for detecting status of keys thereof are provided. The electronic apparatus comprises a key module, a key control circuit, a conversion circuit with calibration mechanism and a processor. The key control circuit detects whether any of keys in the key module is pressed. If the detection result is affirmative, the press status of each of the keys is scanned by the key control circuit to obtain a coarse scan result. The conversion circuit with calibration mechanism is configured to perform the other system function of the electronic apparatus. When the processor determines that at least one of the keys is not pressed according the coarse scan result, the conversion circuit with calibration mechanism is switched to assist a re-scan operation of the press status of the at least one of the keys.

A system of systems to monitor data for carbon flux, for example, at scales capable of managing regional net carbon flux and pricing carbon financial instruments is disclosed. The system of systems can monitor carbon flux in forests, soils, agricultural areas, body of waters, flue gases, and the like. The system includes a means to identify and quantify sources of carbon based on simultaneous measurement of isotopologues of carbon dioxide, for example, industrial, agricultural or natural sources, offering integration of same in time and space. Carbon standards are employed at multiple scales to ensure harmonization of data and carbon financial instruments.

Method for the production of a coarse-grained ammonium sulphate product by crystallization and installation for carrying out the method from an ammonium sulphate solution in a DTB type crystallizer having an internal suspension circuit and a clarifying zone, from which a clarified partial flow of solution is constantly drawn off into an external circuit, is heated in a heat exchanger to dissolve the solids contained therein and is guided back as a clear solution into the lower region of the crystallizer. A fine crystal suspension flow is drawn off from the clarifying zone as a further partial flow and guided back into the internal circuit of the crystallization stage without any previous dissolution of the solid proportion contained therein.

A ceramic electronic component includes a laminated body including ceramic layers and conductor layers stacked alternately; and first and second external electrodes provided on portions of the laminated body. Each of the first and second external electrodes includes a sintered metal layer provided on the laminated body, a conductive resin layer covering the sintered metal layer, and a plated layer covering the conductive resin layer. The maximum length of the sintered metal layer provided on the second principal surface is shorter than the maximum length of the sintered metal layer provided on each of the first and second side surfaces.

A ceramic electronic component includes a laminated body including ceramic layers and conductor layers stacked alternately; and first and second external electrodes provided on portions of the laminated body. Each of the first and second external electrodes includes a sintered metal layer provided on the laminated body, a conductive resin layer covering the sintered metal layer, and a plated layer covering the conductive resin layer. The maximum length of the sintered metal layer provided on the second principal surface is shorter than the maximum length of the sintered metal layer provided on each of the first and second side surfaces.

A triboelectric generator includes a first contact charging member and a second contact charging member. The first contact charging member includes a first contact layer and a conductive electrode layer. The first contact layer includes a material that has a triboelectric series rating indicating a propensity to gain electrons due to a contacting event. The conductive electrode layer is disposed along the back side of the contact layer. The second contact charging member is spaced apart from and disposed oppositely from the first contact charging member. It includes an electrically conductive material layer that has a triboelectric series rating indicating a propensity to lose electrons when contacted by the first contact layer during the contacting event. The electrically conductive material acts as an electrode. A mechanism maintains a space between the first contact charging member and the second contact charging member except when a force is applied thereto.