Abstract: Various embodiments may be generally directed to a magnetic element capable of reading magnetic data bits. Such a magnetic element may have at least a magnetic stack laterally adjacent a side shield and non-magnetic pedestal on an air bearing surface (ABS). The non-magnetic pedestal can be configured to have a greater stripe height from the ABS than the side shield.

Abstract: A method for monitoring an inverter module for a multi-phase electric motor/generator includes deactivating operation of the inverter module, monitoring voltage on a high-voltage bus configured to supply electric power to the inverter module, detecting occurrence of a true fault when a change in the voltage on the high-voltage bus is greater than a predetermined threshold, and detecting occurrence of a false fault when the change in the voltage on the high-voltage bus is less than the predetermined threshold.

Abstract: A power supply system includes: a switching power supply; a switching unit for switching a connection state between an AC power supply and the switching power supply; an electricity storage unit; an auxiliary power supply circuit for feeding charging current to the electricity storage unit; a driving circuit for driving the switching unit; a voltage detection circuit for detecting a voltage of the AC power supply; and a control device configured to perform: an overvoltage detection process of determining whether the AC power supply is an overvoltage based on a detection value of the voltage detection circuit; and a process of, in a case where an overvoltage is detected, keeping the switching unit at a cutoff state where the alternating current power supply and the switching power supply are disconnected.

Abstract: A power-protection apparatus is provided.

Abstract: An integrated circuit is provided. The integrated circuit may include, but is not limited to, a first node, a second node configured to be coupled to ground, an output driver, and a electrostatic discharge circuit electrically coupled to the first node, the second node, and the output driver. The electrostatic discharge circuit may include, but is not limited a high-pass filter configured to detect an electrostatic discharge event at the first node, a driving stage circuit electrically coupled to the high-pass filter and the output driver, the driving stage circuit configured to receive a signal from the high-pass filter when the high-pass filter detects the electrostatic discharge event and further configured to shunt an input of the output driver to the second node in response to the signal from the high-pass filter, and a step-down circuit electrically coupled to the driving stage circuit and configured to bias the driving stage circuit.

Abstract: Protection circuits and methods for protecting an integrated circuit against an over-limit electrical condition are provided. One example includes a snapback circuit having at least a portion formed in an isolated doped well region and configured to switch to a low impedance state in response to an input exceeding a trigger condition and further having a control circuit coupled to a reference voltage and further coupled to the isolated doped well region and the portion of the snapback circuit formed in the doped well region. The control circuit includes an impedance adjustable in response to a control signal and configured to adjust an isolated doped well impedance in which at least a portion of the snapback circuit is formed relative to the reference voltage. A modulated trigger and hold condition tot the snapback circuit can be set according to a control signal adjusting an electrical impedance of the control circuit.

Abstract: An electrode pad is provided above a circuit block of a semiconductor integrated circuit device. A junction point A and a junction point B are provided on connection lines connecting electrode pads to an internal circuit and an electrostatic discharge (ESD) protection circuit. The junction point A and the junction point B are positioned at locations closer to the ESD protection circuit than to the electrode pads.

Abstract: A bidirectional hybrid breaker comprises a main current circuit, a transfer current circuit, an over-voltage limiting circuit and a control system, wherein the main current circuit, the transfer current circuit and the over-voltage limiting circuit are connected in parallel. The transfer current circuit consists of circuits 1-4, wherein the circuit 1 and the circuit 4 are connected in series at first and then connected with the main current circuit in parallel; a pre-charged capacitor is connected with the circuit 4 in parallel after being connected with the circuit 3 in series; and, one end of the circuit 2 is connected with the left end of the main current circuit while the other end thereof is connected with a connection point of the pre-charged capacitor and the circuit 3.

Abstract: An assembly includes an insulated gate bipolar transistor (IGBT), a gate driver and a short-circuit protection circuit. The gate driver is adapted to supply voltage to a gate terminal of the IGBT. The short-circuit protection circuit includes an IGBT short-circuit detector for determining whether the IGBT is short-circuited, and a supply voltage regulator for regulating the supply voltage in response to the IGBT short-circuit detector determining that the IGBT is short-circuited.

Abstract: The invention relates to a surge arrester comprising at least two mutually opposite fittings 3, at least one varistor block 5, which is arranged between the fittings 3, and at least one reinforcing element 7 in the form of a closed loop, which holds the fittings 3 and the varistor block 5 against one another under pressure. According to the invention, the reinforcing element 7 is held on each of the two fittings 3 in each case on at least two sides of the fitting 3. In this way, four sections 7a, 7b, 7c and 7d of the reinforcing element 7 are formed which extend from one fitting 3 to the other fitting 3 and ensure the mechanical stability of the surge arrester.

Abstract: An electrical insulator including: a first connector of an electrically conducting material; a second connector of an electrically conducting material; and an electrically insulating material being arranged between the first connector and the second connector, insulating the connectors from each other; wherein a part of the first connector extends past a part of the second connector, partly enveloping part of the second connector. The invention also relates to a surge arrester arrangement, to a use of an electrical insulator for insulating a surge arrester, and to a method for production of such an electrical insulator.

Abstract: A surge arrester comprising stacked arrester units is provided that is that is easy to assemble. For that, a surge arrester comprises stacked arrester units, a capacitor, and a resilient element, where the resilient element electrically and mechanically connects the capacitor with a node of the arrester stack.

Abstract: This invention provides an electromechanical transfer switch having a transfer time sufficiently fast, less than 20 milliseconds, as to allow computer based equipment to ride through a power interruption without shutdown. The transfer switch utilizes relatively slow acting, high amperage, electromechanical power relays that have been modified by replacing the relay armature spring with a higher tension substitute and applying overdrive voltage to the relays.

Abstract: An exemplary coil actuator for an associated switching device which can be actuated during its operation from an open position to a closed position to allow a current to flow therethrough and from the closed position to the open position to interrupt such flowing from flowing therethrough. The coil actuator includes a coil electromagnet arranged to move between a rest position and an actuating position, wherein movement from the rest position to the actuating position is suitable to cause the actuation of the switching device; and an electronic component arranged to count an operation time which is indicative of the duration of the actuation of the switching device.

Abstract: The present invention generally relates to a variable capacitor for RF and microwave applications. The variable capacitor includes a bond pad that has a plurality of cells electrically coupled thereto. Each of the plurality of cells has a plurality of MEMS devices therein. The MEMS devices share a common RF electrode, one or more ground electrodes and one or more control electrodes. The RF electrode, ground electrodes and control electrodes are all arranged parallel to each other within the cells. The RF electrode is electrically connected to the one or more bond pads using a different level of electrical routing metal.

Abstract: There are provided a dielectric composition and a multilayer ceramic electronic component using the same, the dielectric composition including dielectric grains having a perovskite structure represented by ABO3, wherein the dielectric grain includes a base material, in which at least one rare earth element RE is solid-solubilized in at least one of A and B, and a transition element TR, and a ratio (TR/RE) of the transition element to the rare earth element is 0.2 to 0.8.

Abstract: The described embodiments relate generally to a capacitor assembly for mounting on a printed circuit board (PCB) and more specifically to designs for mechanically isolating the capacitor assembly from the PCB to reduce an acoustic noise produced when the capacitor imparts a piezoelectric force on the PCB. Termination elements in the capacitor assembly, including a porous conductive layer in the capacitor assembly may reduce an amount of vibrational energy transferred from the capacitor to the PCB. Termination elements including a soft contact layer may also reduce the amount of vibrational energy transferred to the PCB. Further, capacitor assemblies having thickened dielectric material may reduce the amount of vibrational energy transferred to the PCB.

Abstract: The instant disclosure relates to a manufacturing method of capacitor cathode foil structure, comprising the following steps. The first step is providing a base foil, subsequently inserting the foil into a reactor. The next step is executing a heating process for heat the base foil to a temperature region of 400° C. to 1000° C. The next step is directing a carbon containing precursor gas into the reactor. The last step is executing a cooling process for cooling the base foil to a temperature below 100° C. to deposit a graphene-based layer on one surface of the base foil, wherein the graphene-based layer is consisted of a plurality of graphene-based thin films in stacked arrangement.

Abstract: A sintered article in which a solid body is at least partially embedded includes an opening. The solid body extends across the opening so that the solid body can deform within the opening. The opening in the solid body prevents distortion of the sintered body from a planar configuration during sintering, even when the green body that is sintered is relatively thin.

Abstract: A rack includes a frame, two locking portions and a power unit. The frame includes multiple links and the two locking portions are located on two correspondent links or formed on extension portions of the links. The power unit is located corresponding to one of the locking portions and located in the frame, or the power unit is parallel to one of the locking portions and located in the frame. The power unit has at least one power cable and multiple power modules which are respectively connected to one side of the power unit and exposed from the power unit. Each of the power modules is connected to one of the at least one power cable. The two sides of the electronic device are fixed to the locking portions. The power cable and the transmission line of the electronic device are connected to the power unit.

Abstract: A chassis of an electronic device includes a bottom plate, a partition plate extending up from the bottom plate, a tray slidable relative to the bottom plate, a slide base slidably connected to the bottom plate, a foldable first linkage pole group rotatably connected to an end of the slide base for receiving a cable, and a foldable second linkage pole group rotatably connected to an opposite end of the slide base for receiving the cable. An end of the first linkage pole group away from the slide base is rotatably connected to the tray. An end of the second linkage pole group away from the slide base is rotatably connected to the partition plate.

Abstract: A portable electronic device includes a host module, a display module pivoted to the host module, a pivoting component and a lifting mechanism. The pivoting component is driven by the display module to rotate simultaneously. The lifting mechanism includes a base, a linking component connected to the base, a sliding component and a pushing component. A guiding slot is formed on the sliding component, and the guiding slot sheathes the linking component. The pushing component is installed on the pivoting component for pushing the sliding component to move in a first direction after the display module pivots relative to the host module to a predetermined angle, so that the guiding slot guides the linking component to move in a second direction different from the first direction, so as to drive the base to protrude outside a bottom side of the host module to lift the host module up.

Abstract: An electronic device includes a base, a display and a rotating member. The rotating member includes a rotating portion and an installation portion. The rotating portion is rotatably mounted to the base. An installation shaft is secured to the installation portion. The display is rotatable relative to the rotating member about the installation shaft. The rotating member is rotatable relative to the base between a first position and a second position. When the rotating member is in the first position, the installation shaft is above the base, and the display is rotatable from an initial position to a first open position. When the rotating member is in the second position, the installation shaft is below the base, and the display is rotatable from the first open position to a second open position. The display rotates 360 degrees from the initial position to the second open position.

Abstract: One possible embodiment of the invention could be a cover in combination with an electronic device and a method of operating same, the combination comprising the electronic device having at least one illumination source; the cover being made of a sheet of opaque flexible material, the cover having two positions, a first position that blocks a transmission of a light from the at least one illumination source from passing onto the electronic device's external environment and a second open position that allows the transmission of the light from the at least one illumination source to pass onto the electronic device's external environment; wherein the cover is attached to the electronic device in a manner that places the cover proximate to the at least one illumination source.

Abstract: Some embodiments include an electronic device accessory. Other embodiments of related electronic device accessories and methods of providing and using the same are also disclosed.

Abstract: An electronic device having a unitary housing is disclosed. The device can include a first housing component having an open cavity, an internal electronic part disposed within the cavity, a second housing component disposed across the cavity, and a support feature disposed within the cavity and arranged to support the second housing component. The first housing component can be formed from metal, while the second housing component can be formed from a plurality of laminated foil metal layers. The second housing component can be attached to the first housing component via one or more ultrasonic welds, such that a fully enclosed housing is created. The fully enclosed housing can be hermetically sealed, and the outside surfaces thereof can be machined or otherwise finished after the ultrasonic welding.

Abstract: A shield can is described. In one or more implementations, a shield can includes a frame configured to be installed on a printed circuit board. The shield can also includes a lid configured to be connected to the frame after installation of the frame to form the shield can over one or more components that are installed on the PCB.

Abstract: A wearable device for sensing and transmitting physical activities of a user to a computing device is provided. The wearable device includes a first wristband worn around the wrist of the user, a left connecter assembly attached to the first wristband, a center assembly having sensors for sensing physical activities of the user attached to the left connecter assembly, a right connecter assembly attached to the center assembly and a second wristband worn interchangeably on the exhaustion of the primary battery inside the center assembly. The center assembly includes one or more sensors for sensing user activities. Examples of sensors include but not limited to heart rate sensor and the galvanic sensor. Further, the center assembly also includes a finger sensor to measure heart rate.

Abstract: There are provided systems, devices and methods for operating a housing for an electronic device as an input/output (I/O) device. In one embodiment, an electronic device includes a housing configured to function as an integrated housing and I/O device and one or more sensors obscured by a panel of the housing. The one or more sensors being configured to sense via the panel of the housing. The electronic device further includes a processing unit communicatively coupled to the one or more sensors and configured to interpret electrical signals generated by the one or more sensors. One or more output devices are communicatively coupled to the processing unit and configured to provide an output in response to the one or more sensors generating an electrical signal.

Abstract: A tilt mechanism for an information device including a body and a display is capable of changing a tilt angle of the display after the display is tilted on the body by pulling up an upper end of the display laid on the body and sliding a lower end of the display over the body. One of two links is rotatably connected to the display, the other of the links to the body, the two links engage each other. Until a roller provided at the lower end of the display engages a support provided on the body, the two links firmly engage each other so as to maintain the total length of the two links, and after the roller engages the support, the two kinks are capable to change the tilt angle by changing the total length of the two links.

Abstract: In an embodiment there is provided an electronic apparatus in which two housings are detachable and rotatable, and in which when one housing is detached from the other housing, and having a bracket for attachment and detachment that is easily rotated. An electronic apparatus may include an upper housing having a display; a lower housing which is rotatably connected with a bracket from which the upper housing is detachable by hinges; and a torque variable structure which changes rotational torque of the bracket at the hinges. The torque variable structure is capable of reducing the rotational torque of the bracket at the hinges in a state in which the upper housing is detached from the bracket, rather than a state in which the upper housing is mounted on the bracket.

Abstract: An electronic device may be provided with a display having a flexible substrate with fastened bent edges. The flexible substrate may have an active region that includes an array of light-emitting elements such as organic light-emitting diodes. The flexible substrate may also have inactive regions that lie outside of the active region. The bent edges may include portions of the inactive regions and portions of the active region. The bent edges may be wrapped to conform to the shape of an internal support structure. The bent edges may be fastened to the support structure with fastening members that attach a housing member or an internal clamp to the support structure. The bent edges may be secured between the housing member or the internal clamp and the support structure. The fastening members may be engaged in openings in the support structure and may pass through or alongside the bent edges.

Abstract: A portable computer device includes a host having a target member, a display device pivoted to the host, a pivot member pivoted to the display device, an optical device connected to the pivot member, and a driving device. The driving device is disposed on the display device and includes a circuit board electrically connected to the host and the optical device, an angle obtaining unit and a driving unit installed on the circuit board, and a processing unit installed on the circuit board and electrically connected to the driving unit and the angle obtaining unit. The angle obtaining unit is for obtaining an included-angle information of the display device relative to the host. The driving unit is for driving the pivot member to rotate the optical device to point to the target member or a user's face according to the included-angle information.

Abstract: A stand-alone immersion tank datacenter (SITDC) includes: a multi-phase heat transfer immersion cooling tank having external walls surrounding a tank volume within which a dielectric liquid is maintained and heated to a boiling point temperature; a plurality of servers having one or more processing and memory components submerged within the dielectric liquid for cooling of the one or more components via heat dissipation from the one or more components into the dielectric liquid when the one or more components are connected to an electric power supply; and a condenser located vertically above the plurality of servers and in a direct path of rising dielectric vapor created when the dielectric liquid absorbs sufficient heat from the one or more components to reach a boiling point temperature of the liquid. The condenser can be a passive heat exchanger, created by providing a heat conductive material as a top lid of the tank.

Abstract: A system for cooling hard disk drives (HDDs) includes: an enclosure having a lower volume within which a cooling liquid is heated to a boiling point temperature to cause some of the cooling liquid to evaporate into a plume of rising vapor; a HDD cooling area with at least one HDD placed in the direct path of the rising vapor, which cools the at least one HDD during functional operation of the at least one HDD; and a heat source that dissipates heat into the lower volume of the enclosure, sufficient to heat the cooling liquid to the boiling point temperature. The system can also include a condenser located above both the HDD cooling area. A substantial portion of the rising vapor that passes through the HDD cooling area and cools the at least one HDD is condensed back into liquid phase on contact with the condenser.

Abstract: The fan controlling method comprises following steps: Firstly, a current rotation speed of a fan is obtained. Next, whether the current rotation speed is not greater than an expected rotation speed corresponding to the first type is determined. Then, whether a rotation speed variance between the current rotation speed and the expected rotation speed is not greater than a reasonable variance is determined when the current rotation speed is not greater than the expected rotation speed. Then, a determination that the fan belongs to the first type is made when the rotation speed variance is not greater than the reasonable variance, and a determination that the fan belongs to the second type is made when the rotation speed variance is greater than the reasonable variance, wherein the second type is different from the first type.

Abstract: An immersion server includes: a first surface that is exposed when the server is submerged within a cooling liquid; and at least one vapor bubble deflector physically abutting the first surface and extending away from the first surface at an angle. The deflector divides the first surface into an upper segment and a lower segment when the server is upright. When the server is submerged, the cooling liquid surrounding the lower segment absorbs sufficient heat to evaporate and generate vapor bubbles rising to the liquid surface. The vapor bubble deflector deflects the rising vapor bubbles away from the surface of the upper segment. This enables superior liquid contact with heat dissipating components at the upper segment and better cooling of those components. The deflector can be a device-level deflector separating two or more components or a component-level deflector separating a lower segment from an upper segment of a single component.

Abstract: An electrical junction box includes a casing configured to be mounted in a vehicle, a start relay (a start electrical component) A housed in the casing and to which a current is supplied at least at a start of the vehicle, an operational electrical component (an operational relay, a connector, and a fuse connector) housed in the casing and to which a current is supplied at least during an operation of the vehicle, and a surrounding heat shield wall (a heat shield wall) disposed between the start relay and at least one of the operational relay, the connector, and the fuse connector that are the operational electrical components. The start relay includes a relay case (an electrical component case) and a terminal portion. The terminal portion is housed in the relay case and has a fixed contact and a movable contact.

Abstract: A display device comprises a display panel, a protective glass sheet disposed on the front face side of the display panel, a housing that holds the display panel, an exhaust fan that generates an air flow in the space between the display panel and the protective glass, an intake opening that draws air to be sent into the space in from the outside of the housing, an exhaust opening that exhausts air that has passed through the space to the outside of the housing, an ambient temperature sensor that senses the ambient temperature and the temperature of the intake opening, an exhaust-side temperature sensor that senses the temperature of the exhaust opening, and a controller that calculates the difference between the temperature sensed by the intake-side temperature sensor and the temperature sensed by the exhaust-side temperature sensor as a difference value, and determines the rotational speed of the exhaust fan on the basis of the ambient temperature and the difference value.

Abstract: An electronic device includes a bottom plate and a cooling assembly. The cooling assembly includes an installation box, a fan received in the installation box, and a fin module secured to the installation box and closed to the fan. The fin module defines a cutout adjacent to the fan module and extends towards the bottom plate. An airflow directed by the fan is guided along a first direction by the fin module to dissipate heat generated from a heat generating component that is thermally connected to the fin module, and along a second direction through the cutout to dissipate heat generated from the bottom plate. The cooling assembly dissipates heat for the heat generating component and the bottom plate simultaneously.

Abstract: A motor controller comprising an inverter module including an inverter circuit coupled to a baseplate, wherein the baseplate includes cooling features; a cooling channel configured to receive a cooling fluid, wherein the cooling features extend into the cooling channel; a capacitor; and a laminated bus electrically coupling the capacitor to the inverter circuit and thermally coupling the capacitor to the cooling channel.

Abstract: A method for cooling an imaging device includes providing, by a cold finger, a cold sink to the imaging device and conducting heat from a cold shield, a sensor chip assembly and a leadless chip carrier towards the cold finger through a plurality of parallel paths. The imaging device includes a dewar assembly having a cold shield, a sensor chip assembly disposed on a leadless chip carrier (LCC) and configured to capture an infrared image, a cold finger configured to cool the dewar assembly; and a thermal adapter. The thermal adapter is configured to draw heat from the cold shield and sensor chip assembly through a plurality of parallel paths towards the cold finger.

Abstract: The present invention relates to a passive layer including graphene for the attenuation of near-field electromagnetic waves and heat dissipation. The passive layer blocks electromagnetic waves radiated from an external electronic device or prevents electromagnetic waves generated in an electronic device from emitting to the outside. The passive layer is designed to reduce interference between transmission circuits of a device in the near-field region or influence such as malfunction caused by external electromagnetic waves. The present invention also relates to an electromagnetic device and a circuit board, each including the passive layer.

Abstract: A circuit board system includes a circuit board (101), at least one electrical component (102), and a conductor part (103) in heat conducting relation with the electrical component. A surface of the circuit board includes a portion (104) that is uneven so as to increase the surface area of the portion. The portion is coated with a coating (105) made of conductor material so that a surface of the coating is uneven. The circuit board includes a heat conductive pathway (106) made of conductor material and extending from the conductor part to the coating. Thus, the coating operates as a cooling element for cooling the electrical component.

Abstract: A heat radiation structure for an electric device includes: at least one multi-layer substrate including a plurality of base parts made of insulation material and a conductor pattern, which are stacked in a multi-layer structure so that the conductor pattern is electrically coupled with an interlayer connection portion in the base parts; the electric device having at least one of a first electric element built in the at least one multi-layer substrate and a second electric element, which is not built in the multi-layer substrate; and a low heat resistance element opposed to the electric device. The low heat resistance element has a heat resistance lower than the insulation material.

Abstract: The present description relates to the field of microelectronic assemblies, wherein a heat dissipation device may be incorporated into the microelectronic assembly with a loading mechanism having at least one outrigger that is rotatable or pivotable between a first position and a second position to accommodate different heat dissipation device sizes or shapes.

Abstract: According to example embodiments, a substrate for a power module includes first to third parts spaced apart from each other, where the third part surrounds the first and second parts, and a conductive layer on the first to third parts. A terminal of a first polarity is connected to the first part, and a terminal of a second polarity is connected to the second part. The first and second terminals may be spaced apart from each other and each have a coupling part, a body, and a contact part. The bodies of the first and second terminals may overlap each other. A power module may include the substrate.

Abstract: Provided is an electronic circuit. The electronic circuit includes: a substrate including a device region and a wiring region; an electronic device disposed on the device region; and a conductive wire disposed on the wiring region and connected to the electronic device, wherein the substrate has a first side where the electronic device and the conductive wire contact and a second side facing the first side; the first side and the second side of the wiring region have a convex structure; the first side of the device region is flat; and the device region is thicker than the wiring region.

Abstract: A display includes an encapsulation layer and a substrate. The substrate includes a chip on glass (COG) seat and a flexible printed circuit (FPC) connector seat. The COG seat and the FPC seats are positioned on different edges of the substrate. A cross-connection layer between the substrate layer and the encapsulation layer, the cross-connection layer including traces connected between the COG seat and the FPC seat. A device incorporating the display may take advantage of the symmetrical display to achieve new designs.

Abstract: Multi-purpose cowling structures are provided to minimize spacing impact within an electronic device, while maximizing functional utility. In one embodiment, an electromagnetic interference shield may provide one or more anchors for enabling a logic board cowling to apply sufficient downward force to one or more board connectors to prevent inadvertent disconnects. In another embodiment, a cowling can electrically connect the ground plane of a logic board to the ground plane of a housing member and provide a pre-load force to a conductor connection existing on logic board. A compass mounted on a flexible printed circuit board is also provided. Mounting the compass on a flexible printed circuit board enables the compass to be mounted remote from ferrous object that may affect the compass's performance.