Abstract: A wired circuit board includes a metal supporting board, an insulating layer formed on the metal supporting board, a conductive pattern formed on the insulating layer and having a plurality of wires, and a semiconductive layer formed on a surface of the insulating layer exposed from the conductive pattern so as to be in contact with the conductive pattern. The insulating layer is formed with a groove exposing the metal supporting board between at least two adjacent wires, and the semiconductive layer is in contact with the metal supporting board in the groove.

Abstract: A conduit (1) having a substantially semi-circular outer cross-section comprising a base portion (3) and a lid portion (2), the lid portion (2) being attached to the base portion (3) by a hinge (4) and having a clip (23) on the opposite side, wherein the hinge (4) is located at an angular elevation from the base of between 10° and 35°, the base portion (3) having a clip socket for retaining the clip (23), wherein the clip socket comprises an outer wall (32), which forms part of the semi-circular outer cross-section, and an inner wall (33), between which is defined a channel (34) for the clip (23), the height of the inner wall above the bottom of the base portion (3) being substantially the same as the height of the hinge (4) above the bottom of the base portion (3).

Abstract: Compositions comprising a polyolefin polymer and an expanded graphite exhibit uniform conductivity over a broad range of temperature. In one embodiment, the polyolefin polymer is polypropylene or polyethylene homopolymer or a polypropylene or polyethylene copolymer. The compositions provide uniform conductivity and can be used as a conductive formulation for medium and high voltage cable components.

Abstract: A ribbon cable 1 having a plurality of electric conductors 3 which are arranged in a plane 2 side by side and at a distance from one another and which are enclosed by an insulation 4 consisting of thermoplastic plastics, which insulation 4 comprises a first outer face 5 which extends at a distance from the plane 2 in which the conductors 3 are arranged side by side at a distance; a second outer face 6 which extends at a distance from the first outer face 5, wherein the distance between the two outer faces 5, 6 defines a thickness 7; at its lateral longitudinal ends 8, end portions 9 which connect the two outer faces 5, 6, which extend in the longitudinal direction of the ribbon cable 1, which are rounded and which, in the direction of the thickness 7, project beyond the outer faces 5, 6 and form rounded transitions towards the outer faces 5, 6.

Abstract: A fan includes an exterior frame, a motor with an impeller disposed in the frame, a wire electrically connected with the motor and reaching out of the frame, and at least one wire securing mechanism. The at least one wire securing mechanism includes two spaced hooks formed on the frame to allow the wire winding around the hooks with a plurality of loops each encircling the hooks therein.

Abstract: A printed circuit board may move an electrical or optical component. A first trace may be supported by a substrate having a first surface. A second trace may interleave the first trace where current flow through the first trace and the second trace may generate a first magnetic field. The first and second traces may be arranged around a first point, and the first magnetic field may be operable to interact with a second magnetic field to move a movable component in a direction substantially coplanar to the first surface of the substrate.

Abstract: A printed circuit board (PCB) adapted for mounting different kinds of light sensing modules thereon includes a lighting sensing area and a plurality of pads. The pads are disposed around the lighting sensing area, for configuring one light sensing module thereon. In the present invention, the PCB is suitable for different kinds of light sensing modules without redesign, which lowers the manufacturing cost of the PCB.

Abstract: A method of electroplating may include placing a pair of conductive fingers in proximity to an edge of a circuit board, where the pair are coupled to be electrically isolated, and where the pair are substantially longitudinally oriented away from the edge. A trace electrically couples the pair of conductive fingers via a shortest path between the pair of conductive fingers. A plating bar is electrically coupled to one of the pair of conductive fingers and thereafter electroplating the pair of conductive fingers via the plating bar. Subsequent to electroplating, laser drilling the trace to electrically isolate the pair of conductive fingers.

Abstract: A method of manufacturing a printed wiring board includes preparing a wiring substrate having a conductive circuit, coating a solder-resist layer over the conductive circuit, leveling a surface of the solder-resist layer so as to obtain a maximum surface roughness in a predetermined range, removing the resin film from the surface of the solder-resist layer, and forming multiple openings in the surface of the solder-resist layer to expose multiple portions of the conductive circuit so as to form multiple conductive pads for mounting an electronic components.

Abstract: A local temperature control fixture suitable for a circuit board is provided, and the circuit board has at least a first heat-receiving region. The fixture includes a heat-insulating board. The heat-insulating board is positioned over the circuit board suitably and has at least a first exposing region whose projection on the circuit board is superposed with the first heat-receiving region. Furthermore, by means of the local temperature control fixture, components on the circuit board can be properly heated according to the volumes thereof so as to melt solder between the components and the circuit board. Therefore, the components in different sizes are firmly soldered onto the circuit board.

Abstract: A flexible circuit is formed from a dielectric core sheet and one or more patterned conductive sheets coupled to the dielectric core sheet. The patterned conductive sheets form conductive paths. In one embodiment, one or two flexible patterned graphite sheets are laminated onto the dielectric core sheet. Electrical contact may be established between the sheets through vias in the core.

Abstract: A semiconductor memory module includes a printed circuit board (PCB) including a rigid PCB part and a flexible PCB part including an overlap portion, a non-overlap portion, and memory components mounted on the PCB. The rigid PCB part includes a first surface and a second surface facing the first surface. The overlap portion of the flexible PCB part overlaps the rigid PCB part, and the non-overlap portion does not overlap the rigid PCB part. The flexible PCB part may include an overlap stacked structure including at least one doubling portion.

Abstract: A printed circuit broad capable of improving reliability, a light emitting apparatus having the same and a manufacturing method thereof are disclosed. The printed circuit board mounted with a light emitting device package includes a first metal layer, an insulating layer disposed on the first metal layer, a second metal layer disposed on the insulating layer, and a mounting groove for mounting the light emitting device package, which has a depth reaching at least an upper surface of the first metal layer.

Abstract: Plural thermoplastic resin films, each having a circuit pattern formed thereon, are laminated. Via-holes filled with conductor past are formed in the thermoplastic films to electrically connect neighboring layers. The laminated body is pressed under heat between a pair of hot press plates to thereby form an integral body of multi-layer circuit board. To apply a uniform pressure to the laminated body in the pressing process, a projected portion formed on a pressure-adjusting sheet is pushed against a portion of the laminated body where the number of laminated circuit patterns is smaller than other portions. In this manner, the plural thermoplastic films are uniformly bonded together, and the paste in the via-holes is sufficiently converted into an alloy. Thus, reliability of the laminated multi-layer circuit board is enhanced.

Abstract: A wired circuit board includes a metal supporting board, an insulating base layer formed on the metal supporting board, a conductive pattern formed on the insulating base layer, a first semiconductive layer formed on a surface of the insulating base layer exposed from the conductive pattern, an insulating cover layer formed on the conductive pattern and the first semiconductive layer and a second semiconductive layer formed on a surface of the insulating cover layer. The first semiconductive layer is electrically connected to the conductive pattern and the metal supporting board, and the second semiconductive layer is electrically connected to the metal supporting board.

Abstract: A microwave circuit board includes: a board made of insulator; a metallic conductor to transfer an electric signal which is formed on at least one of a main surface and a rear surface of the board; and an electric power layer formed on the rear surface of the board and/or in the board. The board includes an dielectric constant-reducing mechanism so as to reduce an effective dielectric constant of the board.

Abstract: A transceiver module including an adaptor and a PCB is provided. The PCB, connected with the adaptor, has a first signal layer, a second signal layer and a singular ground layer wherein the singular ground layer is set between the first signal layer and the second signal layer. The first signal layer includes a first transmitter circuit region and a first receiver circuit region. The second signal layer includes a second transmitter circuit region and a second receiver circuit region. The singular ground layer includes a ground portion of a third receiver circuit electrically connected with the ground signals of the first and the second receiver circuit region. Beside, the projection area of the singular ground layer onto the first signal layer substantially covers the first transmitter the first receiver circuit region. The ground portion of the third receiver circuit is electrically connected with a ground of the adaptor.

Abstract: A light source simulating device comprises a circuit board, at least a conductor and at least a resistor. The circuit board has a first surface. The conductor is disposed on the first surface of the circuit board. The resistor is also disposed on the first surface of the circuit board and connected in series to a high voltage end and a low voltage end of the light source simulating device by the conductor for simulating the light source. The light source simulating device in the present invention simulates the light source by the resistor and replaces the actual discharge lamps, which have lower cost, smaller test place and higher test reliability of the inverter.

Abstract: Provided is a wiring structure and the like which can completely connect a wiring layer to a body to be wired while keeping insulation between two adjacent wiring layers and realize high density packaging due to a narrowed pitch. In a semiconductor-embedded substrate, a conductive pattern is formed on both sides of a core substrate and a semiconductor device is placed in a resin layer stacked over the core substrate. The resin layer has via-holes so that the conductive pattern and a bump of the semiconductor device protrude from the resin layer. Inside the via-holes, the bump and conductive pattern are respectively connected to via-hole electrode portions whose cross-sectional area has been increased toward the bottom of the via-hole. A void is defined between the via-hole electrode portion and upper portion of the inner wall of the via-hole.

Abstract: A material board for producing a hybrid circuit board includes a plurality of hybrid circuit board sections 1 on each of which an electronic component 2 is mounted and a metallic terminal plate 3 for external connection is bonded so as to project from the hybrid circuit board section. A frame portion 6 is defined between the hybrid circuit board sections, and the hybrid circuit board sections are integrally connected to the frame portion via a thin strip 8 provided at an intermediate portion of grooves 7 each surrounding a respective one of the hybrid circuit board sections entirely. In bonding the terminal plate 3 to the hybrid circuit board by soldering, the terminal plate is temporarily bonded to the frame portion 6 with an adhesive 9. The adhesive is prevented from spreading toward the end of the terminal plate.

Abstract: In a method for manufacturing a component incorporating module, lands for mounting components are independently formed on a transfer plate in an isolated manner, and circuit components are connected to the lands for mounting components. An insulation resin layer is formed so as to cover the circuit components on the transfer plate, and is hardened. The circuit components and the lands for mounting components are embedded in the upper resin layer. Thereafter, the transfer plate is removed from the resin layer, and wiring patterns which are used to connect between lands or connect lands to other portions are formed on a back surface of the resin layer on which the lands for mounting components are exposed.

Abstract: According to one embodiment, in a method of inspecting a printed wiring board, the printed wiring board which is provided with an outer-layer surface and an inner-layer surface is prepared for inspection. The printed wiring board includes a land provided on the outer-layer surface, a via ranging from the land to the inner-layer surface, and an inner layer pattern provided on the inner-layer surface, wherein the inner layer pattern is electrically connected to the via when a via shift in the printed wiring board is within a tolerance range. A conduction state between the land and the inner layer pattern is detected.

Abstract: A wiring substrate has pads formed from a plurality of metal layers and vias connected to the pads. The plurality of metal layers have a metal layer exposed through the wiring substrate, and a first metal layer which is interposed between the metal layer and the vias and which prevents diffusion of metal included in the vias into the metal layer. A second metal layer which is less subject to oxidation than the first metal layer is provided between the vias and the first metal layer, and the vias are connected to the second metal layer.

Abstract: A multilayer wiring board capable of feeding sufficient electric power to a circuit element, such as an IC chip. In one embodiment of the present invention, a multilayer wiring board is comprised of: a core board; a build up layer disposed on an upper surface of the core board; a build up layer disposed on a lower surface of the core board; and a power supply structure embedded in a through hole penetrating the core board and the build up layers. The power supply structure is comprised of: a conductive metal rod made of copper as a main material; a conductive metal tube made of copper as a main material and provided coaxially with the conductive metal rod; and an insulating material filling a gap between the conductive metal rod and the conductive metal tube.

Abstract: An electrical junction box is provided to reduce looseness of a cover. The electrical junction box includes a box body and the cover to be slidably mounted on a lateral side of the box body from above. The cover has a front wall and a pair of left and right sidewalls connected to both left and right ends of the front wall to overlap with left and right connecting walls of the box body, providing a U-shaped cross section. The electrical junction box further includes first slide guides provided on both of the cover and the box body and second slide guides provided on both of the cover and the box body. The second slide guides are positioned in areas where the left and right sidewalls of the cover overlapping with the left and right connecting walls of the box body. Further, the second slide guides are closer to the front wall of the cover being mounted to the box body than the first slide guides.

Abstract: An electrical junction box facilitates a worker's wiring of a wire harness without using a superfluous component and allows the workability in assembling the electrical junction box as well as that in disassembling to be improved. The electrical junction box includes a box body and a cover to be mounted to the box body after wiring wire harnesses about the box body. The box body has wiring grooves shaped to have U-shaped cross sections and arranged on its exterior surface to accommodate the wire harnesses, which have been drawn out of the box body through its one side and further led from an upper part of the one side downwardly. Left and right sidewalls defining each groove are provided, at their leading ends, with temporary locking parts restricting slipping of the wire harness out of the wiring groove. The cover is provided with restricting walls (sidewalls, rib) restricting outward deflection of the left and right sidewalls.

Abstract: An electrical junction box includes a casing body containing a bus bar that serves as an internal circuit. A bus bar terminal portion is disposed on an outer edge of an upper surface of the casing body to be connected to a terminal. An electrical wire, on which the terminal is calked, is arranged horizontally along an outer side wall of the casing body. A terminal cover encloses an electrical wire pressing section of the terminal. The terminal cover is fitted in a depression provided in the outer side wall of the casing body.

Abstract: This disclosure is directed to electrical connectors, and more specifically to a duplex or multiplex electrical connector having an integrally formed connector body having an inlet end portion defining a plurality of passageways for receiving a cable, and an outlet end portion wherein the outlet end portion is provided with an outer surface that slopes downwardly toward the outlet opening and having a complementary sloping or frustro-conical, snap fit, outer, retaining ring with locking tangs and grounding tangs for snap locking the outlet end portion of the connector to an electric box or panel, and including a unidirectional cable retaining sleeve disposed within each of the inlet bores or passageways which are firmly secured therein in a predetermined oriented position relative to the respective passageway, and having a non-conducting bushing sandwiched between the outlet end opening and the outer frustro-conical retaining ring.

Abstract: A method of using the Earth mantle substance for hydrogen production. Area of application is production of cheap and efficient energy resources, in particular, a fuel for internal-combustion engine. The substance of invention is an exploration of continental and oceanic rifting areas, supported by abnormal mantle diapers with the mantle substance fingers outlet into the Earth's crust. The mantle substance wells drilling with help of turbodrills. A reaction cavity can be formed by injection and production wells linkage and/or production wells reaming after the well inlet into the mantle substance. The water is supplied into the injection well, and hydrogen gas, produced in reaction of water with intermetallic compounds, contained in the mantle substance, is brought to the surface by the production well.

Abstract: An offshore riser system has riser joints, each having a pin and a box. The pin has an external grooved profile that is engaged by a locking element carried by the box of another riser joint. An actuating ring engages with the locking element to move it into the locked position. A retractable spider supports the string of riser while the new joint is being made up. A makeup tool on the riser deploying floor moves the ring relative to the locking element, causing the locking element to move to the locked position.

Abstract: A method of controlling one or more operating pressures within a subterranean borehole that includes a choke assembly comprising a housing having an inlet passage, an axial bore, and a chamber, wherein a portion of the axial bore forms an outlet passage, and a choke member adapted for movement in the housing to control the flow of a fluid from the inlet passage to the outlet passage. The method may include applying a closing force to move the choke member toward a closed position, and applying a bias force to the choke member when in the closed position to reduce an overpressure required to initiate movement of the choke member from the closed position.

Abstract: The invention relates to a damping device for an output shaft (26) in a gearbox (14,16), where the gearbox (14,16) is arranged for rotation of a rotational degree of freedom (Z4,Z5) in a rock-drilling rig (2), and thus for positioning of the same, and where the damping device (18) comprises a brake (38) that acts on the output shaft (26) of the gearbox (14,16), which brake (38) acts as an oscillation damper for the movement of the output shaft (26), whereby a gearbox (14,16) with play can be used for applications that require a high degree of precision such as positioning, e.g. measuring a position for a drill hole. The invention also relates to a gearbox (14,16) and a rock-drilling rig (2) with damping device (18), respectively.

Abstract: A drill bit includes a bit body having a face on which two different types of cutting elements are disposed, the first type being cutting elements suitable for drilling at least one subterranean formation and the second type being cutting elements suitable for drilling through a casing bit disposed at an end of a casing or liner string and cementing equipment or other components, if such are disposed within the casing or liner string, as well as cement inside as well as exterior to the casing or liner string. The second type of cutting elements exhibits a relatively greater exposure than the first type of cutting elements, so as to engage the interior of the casing bit and, if present, cementing equipment components and cement to drill therethrough, after which the second type of cutting elements quickly wears upon engagement with the subterranean formation material exterior to the casing bit, and the first type of cutting elements continues to drill the subterranean formation.

Abstract: A downhole steering system comprises a first full gauge stabiliser 34, a bias unit 28, a universal joint 26, and a second full gauge stabiliser 22, the bias unit 28 and universal joint 26 being located between the first and second full gauge stabilisers 34, 22. Conveniently, the system further comprises a drill bit 10 and a fluid powered downhole motor 14, the motor being located, at least partially, between the drill bit 10 and the second stabiliser 22.

Abstract: A drilling or service rig (1) for use in operations on- or offshore, the rig (1) being formed by a derrick structure (3) projecting from a foundation (11) and being arranged to receive a carriage (7), movable along the longitudinal axis of the derrick structure, for a drilling or service device (17), the carriage (7) being arranged to carry out, under the influence of at least one double-acting hydraulic cylinder (9, 15), a relative movement along the longitudinal axis of the derrick structure (3), and at least one of the at least one cylinder being formed by a double-acting, telescopic cylinder (9) which is arranged to exert both a push force and a pull force on the carriage (7), whereby the said carriage (7) is moved respectively away from or towards the foundation (11) of the rig.

Abstract: This invention describes a reaming tool (10) for attachment to a drill string having a body (12) that has connection means (14a, 14b) at either end for attachment to a drill string, at least one roller reamer (16) rotatably mounted to the body (12), and at least one channel (18) extending on the body positioned to intersect with the roller reamer (16). This ensures that flushing fluid flow is directed to each roller reamer (16).

Abstract: A highly abrasive wear metal matrix composite hardfacing material for downhole tools is disclosed. The hardfacing material may comprise a matrix of a softer material with high hardness, such as amorphous nanocomposite steel alloys, and one or more hard component materials. The hard component materials may comprise sintered tungsten carbide, monocrystalline WC, polycrystalline WC, and the additional component of spherical cast tungsten carbide. Alternatively, a matrix of softer material, hard component materials and crushed cast tungsten carbide may be used.

Abstract: A cutting element for a downhole cutting tool including a support element, a shearing element disposed on said support, wherein the shearing element is disposed proximal to a leading edge of the downhole cutting tool, and a retaining element overlaying at least a portion of said shearing element is disclosed.

Abstract: A rotary-percussion drill, includes a hard material bit (2, 2?) having at least one cutting edge (3, 3?), and a shaft having an end (7, 7?) with an axial base surface (6, 6?) provided with a chamfer (8, 8?) at least on its outer radial rim, the bottom surface (4, 4?) of the bit (3, 3?) which lies opposite the cutting edge (3, 3?), being secured to the base surface (6, 6?) of the shaft end (7, 7?) by brazing alloy in a material-locking manner.

Abstract: Systems and techniques for scanner scale implementation and operation using a plurality of load cells mounted in a planar arrangement. A plurality of load cells is mounted to a scanner base. The load cells are secured within a mounting chassis in such a way that the load bearing elements of the load cells extend through the protective cover. The mounting chassis and load cells may be mounted to the scanner base. A scanner top plate may be secured to the load cells such that the weight of the scanner top plate and any object placed on the scanner top plate is borne by the load bearing elements of the load cells, part of the weight being borne by the load bearing element of each load cell. Upon presentation of an object for weighing, weight signals generated by the load cells are processed to produce a weight reading for the object.

Abstract: An untethered stylus is configured to cooperate with a location sensor. The location sensor is configured to generate a magnetic field comprising a number of frequencies and communicatively couple to the stylus. The stylus is configured to include a housing having a tip and a shield. An antenna arrangement, provided at the housing, includes a number of coil resonant circuits each tuned to a different frequency of the magnetic field. Each of the coil resonant circuits is configured to be energized in response to the magnetic field. The coil resonant circuits of the antenna arrangement may each include an inductive coil disposed about a ferrite rod in a spaced relationship. A connection couples the coil resonant circuits between the tip and shield of the housing to define separate channels for communicatively coupling the stylus tip and the location sensor.

Abstract: An untethered stylus, configured to cooperate with a location sensor, includes a coil resonant circuit configured to develop an arbitrary AC voltage in response to a varying magnetic field produced by the location sensor. The coil resonant circuit includes a first capacitor and an inductive coil. A power converter includes a switch circuit having an output coupled to a second capacitor, an input coupled to the coil resonant circuit, and a threshold voltage. The switch circuit facilitates charging of the second capacitor in response to the arbitrary AC voltage and discontinuance of second capacitor charging in response to a voltage across the first capacitor reaching the threshold voltage so as to prevent diversion of a discharging current when the arbitrary AC voltage exceeds the threshold voltage. A stable DC voltage is provided at the output of the switch circuit. The power converter is preferably devoid of a Zener diode.

Abstract: A roadway system for energy generation and distribution is presented. In accordance with one embodiment of the invention, the roadway system comprises a plurality of ground-based wind energy generating devices, one or more roads, and a roadway system electricity grid. The roadway system may additionally include, for example, a plurality of ground-based solar energy generating devices, one or more vehicle-based solar energy generating devices and one or more vehicle-based wind energy generating devices. The energy generating devices are connected to the roadway system electricity grid and substantially all of the ground-based wind energy generating devices are positioned on part of one of the roads or near to one or more of the roads to thereby allow energy generation from wind created from passing vehicles in addition to energy generation from atmospheric wind.

Abstract: Taught is an apparatus for converting energy in a wheeled vehicle, comprising a wheel rim; a tire; and a plurality of hydraulic plunger cylinders alternatively distributed on periphery of the wheel rim.

Abstract: An internal combustion engine drives, via a belt drive, a first and a second auxiliary unit embodied respectively as a water pump and an air-conditioning compressor and drives a starter-generator operating as a starter and as a generator depending on the operating mode. The belt drive is connected through a clutch element, which has a freewheel, to the internal combustion engine such that, when the internal combustion engine is at standstill, only the two auxiliary units, but not at the same time the internal combustion engine, are driven by the starter-generator. The clutch element which has a freewheel allows a stepless transition of the drive mode from the internal combustion engine to the starter-generator. In order to start the internal combustion engine, the clutch element is engaged only for a short time, so that the drive power of the starter-generator is transmitted to the internal combustion engine.

Abstract: A remote controlled self-propelled cart allows a physically compromised user desired movement of equipments and appliances by visual orientation without physical effort. The cart has a self-contained power supply with wheels driven by motors allowing small appliances to be moved over a horizontal surface such as the floor of a room for user accessibility and to storage after use.

Abstract: In a control apparatus of a vehicular drive system, a charging/discharging-restricted shift control apparatus makes a determination to perform a shift in a shifting portion such that less power is charged to a power storage device or discharged from a power storage device when charging or discharging of the power storage device is restricted than when charging or discharging of the power storage device is not restricted.

Abstract: A hydraulic arrangement for the activation of two actuators, with a hydraulic pressure supply unit which is assigned jointly to the two actuators. The pressure supply unit is designed to be reversible in its direction of action, so that, depending on the direction of action, in each case only one of the actuators is driven.

Abstract: A motorcycle includes an engine, a CPU, a clutch lever, and a shift switch. When a driver performs a shift operation, the CPU adjusts an output of the engine. When the CPU adjusts the output of the engine, the turning operation of the clutch lever is inhibited by the shift switch.

Abstract: The present invention provides an arrangement structure of component parts for a fuel cell vehicle that efficiently arranges various component parts of a fuel cell system, a hydrogen supply system and an electric driving system to make the best use of interior space, improve weight distribution of the vehicle, reduce noise, and provide security against a rear-end collision. The arrangement structure of the present invention includes an engine room, in which a motor 11 and an air blower 12 are mounted on an upper portion of a frame 10, and component parts of an electrical system and a fuel cell system are arranged on an upper portion of the motor 11; an under-floor 20, on which a humidifier 21, a stack 22, a fuel processing system (FPS) box 23, and a hydrogen tank 40 are mounted; seats 29, beneath which electronic parts are arranged on the under-floor 20; and a trunk room, in which a super-capacitor and an initial charging device are mounted.