Abstract: An inverter apparatus includes an inverter circuit, a temperature sensor, and a control circuit. The inverter circuit is driven by a PWM signal and includes switching elements that are divided in first and second groups. The temperature sensor detects a temperature of at least one of the switching elements of the first group. The control circuit controls a duty cycle of the PWM signal such that a first value of heat generated in the first group is equal to or greater than a second value of heat generated in the second group. The control circuit performs an overheat protection for protecting the inverter circuit from overheating when the detected temperature is equal to or greater than a threshold temperature.

Abstract: A number of surge protection device disconnector designs provide protection to a load over a full range of fault currents provide adequate surge protection as well. The designs quench arcs that may tend to occur as a result of MOV faults, thereby protecting the surrounding components.

Abstract: A coaxial cable comprises at least one internal conductor and a surrounding cable shield. A plurality of sheath wave barriers are arranged along the cable shield, each having two ends that are coupled to the cable shield at coupling points of the cable shield that are spaced from one another. The coaxial cable is exposed to a radio-frequency excitation field with an excitation frequency, due to which sheath waves can be excited on the cable shield. The excitation field is shielded from the at least one internal conductor via the cable shield. The sheath waves can be damped via the sheath wave barriers. A detection circuit is associated with at least one of the sheath wave barriers, from which detection circuit a measurement signal characteristic of a load of the respective sheath wave barrier due to the excitation field can be generated. The measurement signal can be tapped and evaluated.

Abstract: A method and system of preventing lighting from puncturing composite surfaces is provided. The method includes reconfiguring plies of a composite surface so that a composite conductive ply is located on the outer surface of the composite surface and a non-conductive composite ply is located directly underneath the conductive ply and inserting a flashover point between an outer edge of the conductive ply and a fastener attaching the composite surface to a support structure.

Abstract: An electrostatic chuck structure for holding an article is presented. The chuck structure comprises an electrically insulating chuck body layer having a first flat surface for holding the article thereon, and a second opposite surface having a honeycombed pattern in the form of an array of spaced-apart grooves. This second patterned surface of th4e chuck body surface for depositing thereon an electrically conductive layer (electrodes). A dielectric spacer between the electrodes and the article on the chuck body layer is defined by a portion of the chuck body layer between the grooves' bottom and the flat surface.

Abstract: A chassis panel for a computerized device includes ventilation elements that visually obscure electronic components disposed within an associated chassis and that minimize airflow resistance. Each ventilation element includes a first angled ventilation portion having openings that provides limited visual access to the electronic components disposed within the chassis. Each ventilation element also includes a second angled ventilation portion having openings that provide no visual access to the electronic components disposed within the chassis. As such, the ventilation elements visually obscure the electronic components disposed within the chassis without the need for additional materials such as screens, mesh, or foam. Also, the openings of the first and second ventilation portions provide the chassis panel with a relatively large free area ratio, such as between about 42% and 48% or greater depending on hole pitch values and opening sizes.

Abstract: A method for manufacturing a capacitor includes the steps of: forming a conductive layer above a base substrate; forming a dielectric layer above the conductive layer; forming a lanthanum nickelate layer above the dielectric layer; and patterning at least the dielectric layer by using at least the lanthanum nickelate layer as a mask.

Abstract: The present invention aims to provide an electronic component capable of reducing the occurrence of cracks at the joining portion to a board etc. A capacitor 1 (laminated ceramic capacitor) being one example of the electronic component is provided with an element assembly 10 (ceramic) and a pair of external electrodes 20 formed on both side surfaces of the element assembly 10. In the element assembly 10, a dielectric layer 12 and an internal electrode 14 are laminated alternately. The external electrode 20 has such constitution that a first electrode layer connected with the internal electrode, a second electrode layer (electroconductive resin layer) including a hardened product of thermohardening resin containing a polyphenol compound having a side chain composed of an aliphatic group, a third electrode layer composed of Ni and a fourth electrode layer composed of Sn are formed in this order from the element assembly side.

Abstract: The invention relates to a novel method for preparing electrodes based on activated carbon and carbon nanotubes on a collector. The invention also relates to the electrode obtained thereby and the supercapacitor comprising same.

Abstract: To provide electric double layer capacitors which have large electrostatic capacitances. Graphite with a BET surface area of from 10 to 300 m2/g, wherein the graphite has an energy storing ability of 10 to 200 mAh at a voltage of 1 V or more based on the oxidation-reduction potential of lithium.

Abstract: A capacitor cell is presented. The capacitor cell includes an anode, a cathode spaced from and operatively associated with the anode, an electrolyte operatively associated with the anode and the cathode. A layered separator includes a plurality of separator material layers disposed between the anode and cathode. The plurality of separator material layers includes a first layer and a second layer. The first layer is characterized by a first value of a physical property and the second layer is characterized by a second value of the physical property.

Abstract: An electrochemical cell and a method of manufacturing the same are provided. The electrochemical cell comprising: a first conductive layer; a metal oxide layer formed on the first conductive layer, the metal oxide layer comprising a plurality of adjacent metal oxide cells, spaced from one another; a functional dye layer formed on the metal oxide layer; a second conductive layer; and an electrolyte between the functional dye layer and the second conductive layer, wherein at least one of the first and second conductive layers is transparent, and wherein the metal oxide layer is formed from a metal oxide particle dispersion liquid.

Abstract: A solid electrolytic capacitor including an anode formed of a conductive base body containing titanium metal. On a surface of the anode, titanium oxide is formed in which a full width at half maximum of a Raman peak of anatase-type titanium oxide is not greater than 25 cm?1 in a region where the wavenumber in a laser Raman spectrum is not less than 130 cm?1 nor greater than 170 cm?1.

Abstract: An emergency power supply for an electrical device that provides power sufficient to operate the emergency flotation system for a predetermined period of time after a malfunction of a primary power source. The emergency power supply includes at least one capacitor and a control circuit that are disposed in a housing that is sealed to prevent ingress of liquids. The emergency power supply remains functional even when it is partially submerged.

Abstract: An electronic device having an insulating cap is provided. The electronic device comprises a board, a fastener and an insulating cap. The fastener is disposed on the board. The insulating cap has a lid and a connecting part. The lid has a cavity formed within the lid. The connecting part is disposed at one end of the lid for fixing the insulating cap on the board. When the insulating cap is fixed on the board, portion of the fastener is within the cavity.

Abstract: A fixing member is used for fixing a case to a printed circuit board. The fixing member is mounted at a mount-receiving portion, which is formed at the case, by being inserted along a side wall of the mount-receiving portion. At the fixing member, a plate spring portion is formed at a predetermined position. The plate spring portion projects to a side of abutting against the side wall. In the state in which the fixing member is mounted at the mount-receiving portion, the plate spring portion is pressed by the side wall and flexes. Consequently, the fixing member is subject to a pressure force in a direction away from the side wall. In addition, the fixing member is supported from a rear face side by support portions which structure the mount-receiving portion. Thus, the fixing member is gripped in a direction intersecting the side wall.

Abstract: An industrial process field device has a housing with a wall. The wall has a feedthrough opening between a battery compartment and an electronics compartment. A feedthrough connector seals the feedthrough opening and includes a power connector connected to industrial process field device electronics. A battery assembly includes a battery housing with a battery connector, and includes a battery and an energy limiter connected to the battery connector. The battery connector mates with the power connector to energize the industrial process field device electronics. A seal seals the mating connection of the power connector and the battery connector.

Abstract: A semiconductor device has at least a square wiring board having a board core made of an insulating material, wires made of a metal and formed on a first surface of the board core, a solder resist film formed on the first surface to cover the wires, and openings formed by partially opening the solder resist film, wherein a plurality of the elongated wires are arranged in parallel on the bottom of the openings, a semiconductor chip having electrodes flip chip connected to the wires are arranged on the bottom of the openings of the wiring board through a conductive bonding material, and an insulating resin is provided for filling an interstice between the wiring board and the semiconductor chip, wherein the wires extend along a width direction orthogonal to a longitudinal direction of the openings, the openings comprise elongated grooves which extend along at least two opposing sides of the square of the wiring board, a pair of opposing edges of the opening along the longitudinal direction define zig-zag edges

Abstract: A portable computer includes a base unit, a cover unit, a keyboard, and a locking member. The base unit defines a receiving portion. The receiving portion defines a plurality of cutouts in two opposite sidewalls thereof. The cover unit is pivotably connected to the base unit. The keyboard is detachably mounted to the base unit. The keyboard defines a locking hole. The locking member is slidably received in the receiving portion. The locking member includes a locking portion inserted into the locking hole of the keyboard, and at least one protrusion extending from each of two opposite sides thereof for being selectively received in the cutouts of the receiving portion of the base unit.

Abstract: Electronic equipment according to the present invention includes a display element. The electronic equipment includes a holding frame 23 holding a display unit 22 and including an elastic piece that can be elastically deformed in a substantially planar direction of the display surface of the display unit 22, a rear unit 21 holding a holding frame 23 and including an opening that allows the display unit 22 to be visible from outside, and a front unit 24 fixed to the rear unit 21 and covering the rear surface side of the display unit 22. The holding frame 23 is held with the rear unit 21 by elastically deforming the elastic piece. With this configuration, it is possible to attach and detach a display element such as a liquid crystal panel to and from the case easily, thus simplifying the assembling process.

Abstract: A supporting structure applied in a display device is provided. The display device includes a casing and a display panel. The supporting structure comprises a fastening component and a sustaining component. The fastening component including a hook set is used for supporting the display panel. The sustaining component having a plurality of slot sets is disposed on the casing. The hook set separately presses against the slots for forming different distances between the display panel and the casing.

Abstract: The present invention is a computer controlled display device. In one embodiment, the display device includes a flat panel display having an input for receiving display data. Additionally, a moveable assembly may be coupled to the display. The moveable assembly may provide at least three degrees of freedom of movement for the flat panel display device. Additionally, the moveable assembly may have a cross-sectional area, which is substantially less than a cross-sectional area of a display structure of the flat panel display.

Abstract: According to one embodiment, an information processing apparatus includes a display device, a main body rotatably connected to the display device and overlaping so as to at least partly face the display device, and a plurality of input devices either on the main body or the display device and covered with the display device when the display device is overlapped. When the display device rotates in a direction of overlapping onto the main body, supply of power source to the operating means is switched off stepwise in an order set in advance, in accordance with an angle between the display device and the main body.

Abstract: A hinge includes a hinge portion having a pair of external opposed grooves and a first locking portion. A hinge cap is removably attached to the hinge portion by a pair of external deflecting arms received by the opposed grooves and a second locking portion received by the first locking portion. In response to mounting the hinge in the first member, the hinge cap seats in and defines a gap with a cover plate on the first member.

Abstract: A method of assembling a portable information handling system such as a laptop computer includes a chassis having a pivotally mounted top. The top and chassis are connected by a hinge. A hinge cap is releasably attached directly to the hinge and the hinge is mounted on the chassis so that the hinge cap seats in and defines a gap with a cover plate on the chassis.

Abstract: The bag computer is a computer/bag combination or computer made to mount on a bag so the display can pivot into the line of sight of the operator. Several embodiments include: A computer with the pivoting display near the bag's front top and a keyboard near the front bottom. The keyboard may pivot and there may be a pointing device on the display back: A two panel computer pivotally held to the bag front: a computer/bag combination with a display pivotally attached to the bag front. Other computer embodiments illustrating various computer mounting means including: Inside and outside computer parts attached through the bag front; Fasteners positioned on the computer body's display side or projecting from the computer body's back: A mounting flange around the computer body perimeter: Two hanger bars or two attachments on the right and left sides of the computer body front.

Abstract: A computer dock having a device for protecting a portable computer against damage during vertical or inclined insertion within the computer dock. The computer dock includes an abutment member, slidably mounted on a rail, and biased to an upper position when the dock is not in use; the abutment member moving downwardly as a result of abutment against a portable computer during insertion, and at the same time exerting an upward force that at least in part counteracts the downward force of gravity acting on the portable computer.

Abstract: This invention discloses a process method and structure for an adhesion material. The adhesion material is employed for a heat dissipation device that includes several heat sink fins, a heat dissipation slip and a heat pipe. The heat pipe connects several heat sink fins and a heat dissipation slip by the adhesion material. The metal is combed with a bracket structure of carbon element, which has high thermal conductivity, so as to improve the heat conduction efficiency; the adhesion material can be made. The corresponding process method for the adhesion material can be made with a mode of process to form melting stuff, including the metal and a bracket structure of carbon element, and then uses a mode of draw to form the adhesion material. The bracket structure of carbon element can be mixed into the metal.

Abstract: Liquid-based cooling solutions used to transfer heat produced by one or more heat generating devices from one or more electronics servers to the ambient. Each electronics server includes one or more heat generating devices. Integrated onto each electronics server is a liquid based cooling system. Each liquid based cooling system includes a server pump and one or more microchannel cold plates (MCP) coupled together via fluid lines. The liquid based cooling system for each electronics server includes a rejector plate configured with micro-channels. The MCPs, the server pump and the rejector plate form a first closed loop. The rejector plate is coupled to a chassis cold plate via a thermal interface material. In a multiple electronics server configuration, the rejector plates for each of the electronics servers are coupled to the chassis cold plate configured with fluid channels which are coupled via fluid lines to a liquid-to-air heat exchanging system to form a second closed loop.

Abstract: An apparatus for air-cooling an electronic device is disclosed. A contoured panel channels a flow of air within the housing of an electronic device so as to channel the flow of air more directly over heat producing elements such as the microprocessor and peripheral cards. A sensor can also be employed to determine whether the panel is present and properly placed. If not, measures can be taken to reduce the heat generated by the heat producing elements. For example, a warning can be displayed, or the microprocessor can be instructed to enter sleep mode.

Abstract: An apparatus, system, and method are disclosed for efficient heat dissipation. The apparatus for efficient heat dissipation is provided with a compliant heat pipe configured to conform to adjacent surfaces under a compressive load, a compression member configured to apply the compressive load to the compliant heat pipe, and wherein the compliant heat pipe conforms to the surface of the compression member and the surface of a heat source under the compressive load. Beneficially, such an apparatus, system, and method would provide efficient heat dissipation through effective thermo-coupling between the heat source and the heat pipe. Additionally, the apparatus, system, and method would facilitate the application of a load to thermal grease for further improvements on thermo-coupling between the heat source and the heat pipe.

Abstract: This invention discloses a chip heat dissipation system for a chip in heat dissipating and a manufacturing method and a structure of heat dissipation device. The chip heat dissipation system includes a heat dissipation device, a heat exchange device, a pump assembly device and at least two pipes. This heat dissipation device is used for receiving waste heat generate from the chip, then heat exchange device is used for discharging waste heat. Moreover, the heat exchange device is composed of a thermal conduction material, including a metal material and a bracket structure of carbon element. Also, the pipes are used for connecting at least two connection ends of the heat dissipation device and the heat exchange device and then the pump assembly device is used for circulating a fluid between the heat dissipation device and the heat exchange device by the pipes. The bracket structure of carbon element has high thermal conductivity, so as to improve the heat conduction efficiency.

Abstract: A circuit module that includes a system for reducing thermal variation and cooling the circuit module. In preferred embodiments, the module includes a thermally-conductive rigid substrate having first and second lateral sides, an edge, and an integrated cooling component. The integrated cooling component reduces thermal variation and cools the circuit module. Flex circuitry populated with a plurality of ICs and exhibiting a connective facility that comprises plural contacts for use with an edge connector is wrapped about the edge of the thermally-conductive substrate. Heat from the plurality of ICs is thermally-conducted by the thermally-conductive substrate to the integrated cooling component.

Abstract: A connection apparatus and associated method. The apparatus comprises a space transformer assembly and a leveling apparatus. The space transformer is adapted to electrically connect a testing apparatus to a semiconductor device through an interface board. The leveling apparatus is adapted to apply varying amounts of force to a plurality of sections of the interface substrate. The varying amounts of force are adapted to generate pressure on the plurality of sections of the interface substrate and form electrical connections between contacts on the interface substrate and all contacts on the semiconductor device.

Abstract: A mounting system provides mechanisms and form factors for bringing a heat exchanger from a server rack into thermal contact with a heat exchanger from a electronics server. To ensure good thermal contact, pressure is applied between the two heat exchangers, the rejector plate and the chassis cold plate. The mounting mechanism used to engage and disengage the heat exchangers is configured to isolate the force applied to the two heat exchangers. The mounting mechanism includes an interlocking mechanism that prevents transfer of the applied force to the rest of the electronics server. Without isolating this force, the force is applied to the electronics server and/or the rack chassis, possibly disconnecting the electrical connections between the electronics server and the rack, as well as providing mechanical stress to the electronics server and the rack chassis.

Abstract: A system for cooling a heat-generating electronic device in a computer system includes a printed circuit board having one or more ventilation holes and coupled to a first side of the heat-generating electronic device, and a fan assembly having a top side and a bottom side and coupled to a second side of the heat-generating electronic device. The fan assembly is disposed relative to the printed circuit board to allow air to flow into the top side of the fan assembly and into the bottom side of the fan assembly through the one or more ventilation holes. One advantage of this design is that it enables a greater volume of air to flow through the fan assembly relative to prior art designs, thereby resulting in more efficient cooling of the heat-generating electronic device.

Abstract: A heat sink device for conventional memory modules, such as DIMMs, that is configured to be positioned between adjacent memory modules mounted in substantially parallel connectors on a printed circuit board. Each heat sink device includes thermally conductive first and second members configured to thermally couple with electronic components of a conventional memory module. The first and second members may be resiliently biased away from one another so that the resilient bias causes the members to abut respective electronic components when placed between adjacent memory modules. A separate wedge, or a lever-mounted wedge, may be provided for insertion between the members to urge them away from one another and into abutting relationship with electronic components on facing surfaces of the adjacent memory modules. When abutting opposing electronic components, a single heat sink device facilitates heat dissipation from both of the adjacent memory modules.

Abstract: A circuit board for a light emitting diode package improved in heat radiation efficiency and a manufacturing method thereof. In a simple manufacturing process, insulating layers are formed by anodizing on a portion of a thermally conductive board body and plated with a conductive material. In the light emitting diode package, a board body is made of a thermally conductive metal. Insulating oxidation layers are formed at a pair of opposing edges of the board body. First conductive patterns are formed on the insulating oxidation layers, respectively. Also, second conductive patterns are formed in contact with the board body at a predetermined distance from the first conductive patterns, respectively. The light emitting diode package ensures heat generated from the light emitting diode to radiate faster and more effectively. Additionally, the insulating layers are formed integral with the board body by anodizing, thus enhancing productivity and durance.

Abstract: The present invention provides a core board and a manufacturing method thereof, in which the core board includes a nickel layer as a seed layer to improve the binding strength between an insulation layer and a conductive layer, so that it allows forming fine inner circuits by the semi-additive method.

Abstract: In an electronic device, a QFN is surface-mounted on a printed board. The QFN includes a main body containing an IC chip, a reinforcement portion, and multiple terminal portions. The reinforcement portion is exposed from a bottom portion of the main body and mechanically coupled with multiple reinforcement lands on the printed board. The multiple terminal portions are exposed from a peripheral of the main body and electrically coupled with multiple lands on the printed board. In the printed board, the multiple lands are connected with multiple conductive wires. Some of the multiple conductive wires are outside of the surface-mounted area. The others are inside of the surface-mounted area to face the reinforcement lands. This enhances a mounting efficiency in the printed board.

Abstract: A housing comprising a liquid-tight electric bushing is provided. The housing comprises an opening and a printed circuit board comprising at least first and second layers. The first layer is a top side of the printed circuit board and spans the opening. A first contact element is disposed on the top side and in a blind bore through the first layer that extends to the second layer. The second layer is a conductor track in the interior of the printed circuit board.

Abstract: An illumination device includes a control knob having a display portion, a tubular case combined with a back side of the control knob, a light guide plate attached to seal an upper opening of the tubular case, and LEDs disposed at a lower opening of the tubular case. Light emitted from the LEDs is applied to the display portion through the light guide plate. A plurality of retaining projections and a plurality of push-up projections are provided on an inner surface of the tubular case adjacent to the upper opening. An upper surface of an outer edge of the light guide plate is retained by lower ends of the retaining projections, and a lower surface of the outer edge is pushed up by upper ends of the push-up projections so that the light guide plate is held inside the tubular case while being bent upwardly.

Abstract: A vehicle lamp assembly includes a transmission axle coupled to a lamp unit, and a drive unit for driving the transmission axle to rotate such that the lamp unit is movable to a selected one of a default position, where the illuminating direction of the lamp unit is parallel to a vehicle axis, and left and right limit positions, where the illuminating direction forms left and right limit angles with the vehicle axis, respectively. A detecting device generates a default position signal when the lamp unit is at the default position. A control device is operable to control the drive unit for restoring the lamp unit to the default position with reference to the default position signal, and for moving the lamp unit according to angular displacement of a vehicle steering linkage system.

Abstract: A safety sign for school and other buses and methods are shown with advantages such as being more visible in poor conditions such as snow, dust, fog, low light, etc. Safety signs as shown can be seen from farther away than conventional signs.

Abstract: A vessel with a base unit that illuminates the beverage housing of the vessel is provided. The housing may be in the shape of a beverage bottle. The base unit may include a light source adapted to project light through the housing with a color of light coordinated with the color of a liquid in the vessel or a color of walls of the housing; and a mating surface adapted to mate with a bottom of the housing. The base unit may have a mating surface with a rounded protrusion adapted to mate with an inverted-cup shaped cavity formed in the bottom of the housing, such that the light source is in the center of the cup in the mated position. The vessel may also include a timer configured to turn off the light source a specified period of time after the light source is turned on.

Abstract: A lighted shoe including, but not limited to, a component including, but not limited to, at least one light source (e.g., a light emitting diode or “LED”), and a power generating element (e.g., a magnetic dynamic motor or “dynamo”) used to generate power to illuminate the at least one light source. The lighted shoe need not incorporate a battery to operate the at least one light source.

Abstract: A tool hand tube rod which comprises a long hollow rod body; having a receiving space; a lateral side of the rod body having an open hole; and one end of the rod body having a inserting end; a driving head inserted into the inserting end of the rod body; a strain gauge installed within the receiving space near the inserting end; a processing unit installed in the receiving space; and a display protruded from the open hole. A strain force of the driving head can be measured by the strain gauge; then the measured value is transferred to the processing unit and then is displayed on the display. Or a lamp installed in the open hole and a switch installed below the lamp body. Or a plurality of driving heads are received in the receiving space.

Abstract: A renewable energy flashlight includes a flashlight housing, a light emitter carried by the housing, and a power source carried by the housing and powering the light emitter. The power source includes a charging magnet, at least one induction coil, and first and second repulsion members, all carried by the housing. The housing is configured to allow movement of the charging magnet between first and second positions within the housing. The induction coil carried is configured to allow movement of the charging magnet therethrough, thereby inducing current through the induction coil. Each repulsion member includes an elastic rebounding material reflexively seeded with at least one internal magnet. The first repulsion member is secured at the first position within the housing in polar opposition to the charging magnet. The second repulsion member secured at the second position within the housing in polar opposition to the charging magnet.

Abstract: A retractable dimmer sleeve comprises sleeve material formed into an elongated enclosed passage having an open end and an interior volume for receiving an elongated light source. The dimmer sleeve enables, during operation of a light source while received within the sleeve, adjustment of a length of a selected portion of the light source that is occluded by the dimmer sleeve so that only a fraction of light emitted by the light source escapes the dimmer sleeve. The apparatus may further comprise an elongated light source at least partially enclosed by the dimmer sleeve. A method comprises: enclosing at least a portion of the light source with the retractable dimmer sleeve; and moving, during operation of the light source while received within the sleeve, an end of the dimmer sleeve along the light source, thereby adjusting a length of the light source that is occluded by the dimmer sleeve.

Abstract: An apparatus and method is characterized by providing an optical transfer function between a predetermined illuminated surface pattern, such as a street light pattern, and a predetermined energy distribution pattern of a light source, such as that from an LED. A lens is formed having a shape defined by the optical transfer function. The optical transfer function is derived by generating an energy distribution pattern using the predetermined energy distribution pattern of the light source. Then the projection of the energy distribution pattern onto the illuminated surface is generated. The projection is then compared to the predetermined illuminated surface pattern to determine if it acceptably matches. The process continues reiteratively until an acceptable match is achieved.