Abstract: A digital pulse width modulation controller includes a pulse width modulation controller, a selection unit having at least one selector, a comparison unit having at least one comparator, and a signal conversion unit having at least one digital-to-analog converter. The digital-to-analog converter generates a reference current and/or voltage. The comparator receives the reference current and/or voltage, and performs a comparison operation to generate a comparison signal based on a feedback signal. The selector selects one selection signal to input into the pulse width modulation controller, which receives other parameters set by a user or the system at the same time so as to control characteristics of the digital pulse width modulation signals, thereby improving the electric properties of a loading circuit.

Abstract: There is provided a high frequency switch which is satisfactory in terms of both insertion loss characteristics and harmonic characteristics. The high frequency switch includes: a common port outputting a transmission signal to an antenna; a plurality of transmission ports each having the transmission signal input thereto; and a plurality of switching units each connected between the plurality of transmission ports and the common port to conduct or block the transmission signal from each of the transmission ports to the common port, wherein each of the switching units includes a plurality of series-connected MOSFETs formed on a silicon substrate, the plurality of MOSFETs are any one of body contact-type FETs and floating body-type FETs, and each of the switching units includes both of the body contact-type FETs and the floating body-type FETs.

Abstract: A high-frequency module includes a multilayer substrate, a switch IC, a SAW duplexer and a matching circuit. The matching circuit includes a wiring line and first and second inner layer ground electrodes. The matching circuit performs impedance matching between the switch IC and the SAW duplexer in a pass band of the SAW duplexer. The wiring line is an inner layer electrode of the multilayer substrate that is connected between the switch IC and the SAW duplexer. The first and second inner layer ground electrodes face the wiring line in a stacking direction with only dielectric layers of the multilayer substrate therebetween.

Abstract: An elastic wave splitter includes an antenna terminal, a transmission terminal and reception terminals. A transmission filter is connected between the antenna terminal and the transmission terminal. A reception filter is connected between the antenna terminal and the reception terminals. The transmission filter and the reception filter are each defined by an elastic wave filter. A resonant circuit is connected between the antenna terminal and a ground potential. The resonant circuit includes a surface acoustic wave resonator and a capacitor connected in series with the surface acoustic wave resonator. A resonant frequency of the resonant circuit is positioned in a frequency band of an interference wave that causes intermodulation distortion to be generated.

Abstract: In a ladder-type elastic wave filter, a resonance frequency of a second parallel resonator is higher than that of a series resonator and lower than an antiresonance frequency of a series resonator. With this configuration, an attenuation pole is formed by the second parallel resonator at a frequency region lower than an attenuation pole formed by the series resonator in a frequency region higher than the passband of the ladder-type elastic wave filter.

Abstract: An integrated device comprises at least one input connector (62) linked to an internal conductive line (64) and at least two output connectors (70A,70B) each respectively linked to an conductive branch (69A, 69B), wherein a single moving part (65), simultaneously serving the functions of a phase-shifter and a power-distributor, which comprises a shared segment (67) divided into two conductive arms (68A, 68B), the shared segment (67) linking the internal conductive line (64) to each of the conductive branches (69A, 69B) respectively, so as to vary, by an equal but opposite quantity, the length of the electric path between the input connector (62) and each of the output conductors (70A,70B) when the moving part (65) moves. The moving part (65) can be actuated from outside the housing, preferentially by means of a transmission bar (66).

Abstract: An apparatus comprising a first power combiner/divider network and a second power combiner/divider network. The first power combiner/divider network splits a first electromagnetic signal into split signals that are connectable to signal processor(s). The second power combiner/divider network combines processed signals into a second electromagnetic signal. The apparatus includes a three-dimensional coaxial microstructure.

Abstract: A system, hybrid common mode choke, and method are described herein. The system includes a differential signal transmitter and a differential signal receiver. A differential signal transmitter ground and a differential signal receiver ground are electrically disconnected in a manner that enables a common mode filter. The transmitter ground and the receiver ground may be coupled using an inductor, a resistor, a capacitor, or any combination thereof.

Abstract: A method and system for providing a surface acoustic wave band reject filter are disclosed. According to one aspect, a surface acoustic wave band reject filter includes a substrate having electrode bars and bonding pads formed on the substrate. The filter further includes at least one die having a side facing the substrate. A plurality of surface acoustic wave resonators are formed on the at least one die formed on the substrate. Solder balls formed on a side of the at least one die facing the substrate are positioned to engage bonding pads on the substrate. The plurality of surface acoustic wave resonators collectively exhibit a band reject filter response.

Abstract: A conductor arrangement includes a conductor that extends along a conductor axis. The conductor arrangement also includes a standing wave trap to which the conductor is coupled in order to damp standing waves that are excited by an RF field from outside the conductor arrangement. The standing wave trap is in the form of a dielectric resonator device.

Abstract: A compact microwave distributed-element dual-mode bandpass filter is provided, comprising a dual-mode resonator and a signal input port and a signal output port coupled electrically to the dual-mode resonator respectively; wherein, the dual-mode resonator comprises a main stripline with a center-loaded short-circuited stub, the main stripline is reasonably folded in both vertical and horizontal directions and is reasonably folded into a first layer, a second layer, a third layer and a fourth layer; a symmetrical plane is provided between the second layer and the third layer, while the first layer and the fourth layer are symmetrical to each other relative to the symmetrical plane, the second layer and the third layer are symmetrical to each other relative to the symmetrical plane as well; the center-loaded short-circuited stub is located on the symmetrical plane, and the symmetrical plane can be treated as a virtual ground at odd-mode resonant frequency.

Abstract: A resonance coupler includes transmission-side resonant wiring provided on a transmission substrate and connected to a transmission ground between a connection point of first transmission wiring to the transmission-side resonant wiring and a connection point of second transmission wiring to the transmission-side resonant wiring, and reception-side resonant wiring provided on a reception substrate and connected to a reception ground between a connection point of first reception wiring to the reception-side resonant wiring and a connection point of second reception wiring to reception-side resonant wiring. When viewed in a direction perpendicular to a main surface of the transmission substrate, the transmission substrate and the reception substrate are provided facing each other so that the transmission-side resonant wiring and the reception-side resonant wiring are symmetric about a point and have matching contours.

Abstract: The invention is related to a microstrip line structure, which comprises: a first microstrip line and a second microstrip line, paralleled with the first microstrip line for transferring a transmission signal, and a plurality of grooves periodically arranged on both sides of the second microstrip line by using subwavelength, and each period length in the plurality of grooves is smaller than the wavelength of the transmission signal.

Abstract: An exemplary mechanically operated switching device includes at least one movable contact and an operating mechanism for coupling/separating the movable contact to/from a corresponding fixed contact. The operating mechanism includes first elastic mechanism for, upon release, providing the energy to separate the movable and fixed contacts. At least one shunt release having: a member movable between first and second stable positions, wherein movement from the first stable position to the second stable position releases the first elastic mechanism; at least a permanent magnet generating a force for holding the movable member in the first stable position, wherein the movable member held in the first stable position compresses a second elastic mechanism; and at least one electrical winding associated with the movable member and the electronic mechanism, which is configured to electrically drive the winding to generate a magnetic force that releases of the compressed second elastic mechanism.

Abstract: An electrical operator for a circuit breaker includes a carriage moving assembly and a solenoid having a reciprocating plunger. The plunger is configured to engage with the carriage moving assembly in response to a pulsating current.

Abstract: A movable contact assembly for use with a transfer switch, the moveable contact assembly comprising a center portion, a first conductor portion extending from the center portion, the first conductor portion comprising a first arm comprising two longitudinal extending fingers; and a second conductor portion extending from the center portion, the second conductor portion comprising a second arm comprising two longitudinally extending fingers. The moveable contact assembly may be pivoted about the center portion from a first position to a second position. In the first position, the two longitudinally extending fingers of the first conductor portion resides in a conductive state with a blade connector of a first stationary contact assembly and in the second position, the two longitudinally extending fingers of the second conductor portion resides in a conductive state with a blade connector of a second stationary contact assembly.

Abstract: The invention relates to a toe-in actuator (16), in particular a relay for an electric starter device (10) for internal combustion engines, said toe-in actuator providing a movable armature (168) and an armature return element (171) in a housing (156). The armature (168) is split into at least two armature parts (216, 218), and at least one damping element (220, 220a, 220b, 220c, 220d) is provided between the at least two armature parts (216, 218).

Abstract: A magnetic trigger mechanism is provided. The magnetic trigger mechanism operates in conjunction with a plurality of magnetic sensors. The magnetic trigger mechanism includes: a magnet; a body, with its one side provided with a recess and its other side located near the plurality of magnetic sensors; and a moveable section, provided in the recess in a movable manner, comprising an accommodating space for restraining the magnet therein.

Abstract: In one of its aspects the technology disclosed herein concerns a process of making a rotary solenoid. In a generic mode, the process comprises fitting together two mating core half members (22A, 22B) of a stator until two respective pole faces (32A, 32B) of the two mating core half members (22A, 22B) press to a positive stop against a precision diameter pin positioned between the two mating core half members and so that the two mating core half members interlock at the positive stop. The process further comprises removing the precision diameter pin to provide an axially extending space comprising a predetermined distance between the two respective pole faces (32A, 32B). The process further comprises inserting a rotor (26) within the axially extending space. The process further comprises fitting the two mating core half members (22A, 22B) and the rotor (26) between the two opposing end caps (20, 30).

Abstract: The present invention relates to an elliptical unit block for preparing a core using soft magnetic metal powder and a core with excellent high current DC bias characteristics using the same, and more specifically, to an elliptical unit block for preparing a core using soft magnetic metal powder used in an inductor for an automotive electronic sub-assembly using a high current buck or boost inductor or a three phase line reactor or fuel cell system for power factor correction (PFC), and a powered magnetic core prepared using the same.

Abstract: An electromagnet comprising a ferromagnetic yoke which comprises a yoke. Mutually opposing first and second pole pieces are provided. The first pole piece is provided with a planar coil having a first side facing the yoke and a second side facing the yoke. A balancing member is arranged on the second side of the planar coil to counterbalance the attractive force between the planar coil and the yoke. The other pole piece may also be provided with a corresponding balancing member.

Abstract: A system for controlling flux of a multi-pole magnetic structure includes a movable magnetic circuit where the position of the moveable magnetic circuit relative to the multi-pole magnetic structure determines the flux emitted by the magnetic structure. The moveable magnetic circuit may be configured to have a tipping movement, a translational movement, and/or a rotational movement relative to the multi-pole magnetic structure.

Abstract: A module comprises a circuit board and an inductor. The circuit board has a facing surface and a rear surface which are located at opposite sides to each other in an up-down direction. The inductor has a magnetic core and a coil. The magnetic core is made of a soft magnetic metal material. The magnetic core has a facing surface and a radiating surface which are located at opposite sides to each other in the up-down direction. The facing surface of the magnetic core is arranged to face the facing surface of the circuit board in the up-down direction. The radiating surface of the magnetic core is arranged to be radiatable heat outward. The coil has a coil portion and a connection end. The coil portion winds, at least in part, the magnetic core. The connection end is connected to the facing surface of the circuit board.

Abstract: A rupture resistant system, including a tank configured to increase an inner volume of the tank under increased pressure conditions, wherein the tank includes a component situated within the inner volume of the tank and susceptible to increasing pressure within the tank when under an electrical fault condition, a sidewall extending about the inner volume of the tank, and wherein the sidewall includes an interior surface and an exterior surface, a bottom wall coupled to the sidewall, and a tank cover coupled to the sidewall opposite the bottom wall, wherein the tank cover includes a first plate coupled to a second plate, wherein the second plate extends from the first plate, and the first plate extends over the sidewall and the second plate overlaps and couples to the exterior surface of the sidewall with a first joint.

Abstract: An electrical system having an underlying structure resembling the double helix most commonly associated with DNA may be used to produce useful electromagnetic fields for various applications.

Abstract: Disclosed herein is a common mode filter including: a body element including an insulating member enclosing a coil electrode pattern and a magnetic member disposed on one surface or both surfaces of the insulating member; and an insulating layer disposed on at least one side of the body element, thereby increasing an interlayer adhesion between the respective components configuring the common mode filter.

Abstract: A dry-type transformer comprises a winding with a tapping zone, the tapping zone being the zone wherein at least two connections can be made, allowing to change the number of turns of the winding and thus change the turn ratio of the transformer, and with at least a first non-tapping zone, wherein the winding comprises a conductor having, in at least part of the tapping zone, a first width in the axial direction of the winding, and having, in at least part of the first non-tapping zone, a second width in the axial direction of the winding, the first width being smaller than the second width.

Abstract: A reactor comprises a reactor core in which two U-shaped core members are connected in a ring shape with a gap section therebetween, a primary insert-molded resin part provided covering at least an outer peripheral surface of a leg part of the core member other than an adhesion surface of the core member, a coil placed around the gap section and the leg part of the core member, and a secondary insert-molded resin part made of a thermoplastic resin and which is insert-molded around the coil to fix the coil on the reactor core and fix the leg parts of the core members in a connected state. A positioning section which determines a relative position of opposing leg parts and a window section which allows a melted thermoplastic resin for forming the secondary insert-molded resin part to flow into the gap section are formed on an end of the primary insert-molded resin part connected in a state where core members are placed connected in a ring shape.

Abstract: A system and method for manufacturing of a micro-transformer providing direct electrical isolation between a primary winding and a secondary winding while featuring tight magnetic coupling for a large possible step-up or step-down ratio. The micro-transformer may be implemented in an integrated circuit, and may include a magnetic core. A high stepping ratio, e.g. approximately 50 to 100, may be achieved by connecting multiple symmetric primary windings in parallel and multiple symmetric secondary windings in series, or vice-versa. A plurality of windings may be stacked vertically. The micro-transformer may be of particular utility in wireless sensor networks, thermal and vibrational energy harvesters, power converters, and signal isolators.

Abstract: An electrical connection configuration, e.g., for an ignition coil, includes: an enameled wire sheathed in insulating enamel, and a contact element for the electrical contacting of the enameled wire, the contact element having a contact region for the electrical contacting of the enameled wire. The contact region has at least one sharp edge, and the enameled wire is routed along the sharp edge, such that a region of the enameled wire stripped of the enamel is provided, which rests against the contact region of the contact element for the electrical contacting.

Abstract: Embedded PCB (printed circuit board) is used for the packaging and assembly of a low profile power conversion system module that can be employed in space constrained environment of small computer/electronic systems. The low profile power conversion system module includes an embedded PCB, a power silicon device embedded within the PCB, a magnetic component which is either embedded within the PCB or disposed on the PCB, and input/output terminals disposed on the side of the embedded PCB. The embedded PCB and the magnetic component are thin planar shaped to save vertical space. The low profile power conversion system module can be placed inside a cavity formed in the system PCB to save even more vertical space.

Abstract: A reactor includes: a bobbin including flanges at ends of a winding range of a winding, at least one of the flanges being provided with a slit or a hole; a coil formed in a shape in which the winding having a lead portion is wound around the bobbin, the coil being molded by resin, and the lead portion penetrating through the slit or the hole; and a plate through which the lead portion of the coil penetrates, the plate contacting with a circumferential edge of the slit or the hole of the flange so as to close the slit or the hole.

Abstract: A magnetic device includes a T-shaped magnetic core, a wire coil and a magnetic body. The T-shaped magnetic core includes a base and a pillar, and is made of an annealed soft magnetic metal material, a core loss PCL (mW/cm3) of the T-shaped magnetic core satisfying: 0.64×f0.95×Bm2.20?PCL?7.26×f1.41×Bm1.08, where f (kHz) represents a frequency of a magnetic field applied to the T-shaped magnetic core, and Bm (kGauss) represents the operating magnetic flux density of the magnetic field at the frequency. The magnetic body fully covers the pillar, any part of the base that is located above the bottom surface of the base, and any part of the wire coil that is located directly above the top surface of the base.

Abstract: A reactor includes a ring-shaped core, a bobbin, two coils. The bobbin includes a first part that includes two first tubular sections and a first flange and includes a second part that includes two second tubular sections and a second flange. Each of base ends of the first tubular sections is coupled to the first flange and each of base ends of the two second tubular sections is coupled to the second flange. Each of the first tubular sections includes a tongue section extending from a distal end of the first tubular section and fitting into a distal end of the second tubular section. Each of the two coils is wound around a corresponding one of the first tubular sections and a corresponding one of the second tubular sections of the bobbin.

Abstract: The invention relates to a fuse (3) for connection to a protective component (2) of an overvoltage protective device (2), wherein the fuse (3) has a housing (3f), a first cap (3a), a second cap (3b) and a fuse wire (3d), which runs within the housing between the first cap (3a) and the second cap (3b), wherein the first cap (3a) is designed for thermal and electrical connection to the protective component (2), wherein the fuse wire (3d) is held on the first cap (3a) by means of a soldered connection (3c), wherein the fuse wire (3d) is fastened to a connection electrode (4) opposite the first cap (3a), wherein the connection electrode (4) is held in a guide (8) so as to be movable with respect to the body of the fuse (3) and is under a mechanical pretension (6) with respect to the body of the fuse (3), wherein the fuse wire (3d) is designed such that it melts when acted on with a high I2t, and wherein the soldered connection (3c) is designed such that the soldered connection (3c), in the event of external heati

Abstract: A complex type fusible link which includes an insulative block base including a plurality of cavities; a conductive connecting plate which is integrally embedded in the insulative block base, a part of the conductive connecting plate being exposed to at least one of the cavities; a plurality of fusible elements each of which is accommodated in corresponding one of the cavities and includes a first end which is connected to the part of the conductive connecting plate and a second end; and a plurality of terminals each of which is integrally embedded in the insulative block base and includes a first end which is connected to the second end of corresponding one of the fusible elements and a second end which is exposed from the insulative block base, at least one of the fusible elements includes a fastening portion to which another fusible element is fastened.

Abstract: A photoresistor includes a first electrode layer, a photosensitive material layer, and a second electrode layer. The first electrode layer, photosensitive material layer and second electrode layer are stacked with each other. The first electrode layer is located on a first surface of the photosensitive material layer. The second electrode layer is located on a second surface of the photosensitive material layer. The first surface and second surface of the photosensitive material layer are opposite to each other. The first electrode layer includes a carbon nanotube film structure.

Abstract: An electric field resistor includes N coils. N coils encircle a common center in sequence, and each of the coils has a first terminal and a second terminal, wherein the first terminal of the first coil receives a first reference voltage, the second terminal of the Nth coil receives a second reference voltage. The second terminal of the ith coil is coupled to the first terminal of the (i+1)th coil, wherein N is a positive integer greater than 1 and 1?i<N. Besides, a distance between the ith coil and the (i+1)th coil is in direct proportion to a voltage difference between the first terminal and the second terminal of the (i+1)th coil.

Abstract: The subject matter of the present application is a curable adhesive composition having PTC characteristics after curing, containing (i) a reactive binder system, based on an epoxy-resin-component and a curing agent-component, (ii) particles of a carbon modification in a range of 0.01 wt % to 15.0 wt %, based on the total weight of the curable adhesive composition, and (iii) copper powder in a range of 0.5 wt % to 5.0 wt %, based on the total weight of the curable adhesive composition, wherein the reactive binder system comprises>70 wt % of all organic polymers of the adhesive composition.

Abstract: A method and system for configuring security devices on a security network. A mobile computing device reads spatially-encoded optical machine-readable indicia, decodes the indicia, and extracts encoded configuration information for the security devices. The configuration information from the indicia is then transmitted to a monitoring station, which uses the configuration information to configure communication with the security devices on the security network.

Abstract: The present invention relates generally a system and method for providing rolling code remote device functions to provide keyless entry to multiple makes and models of cars. The present invention is adapted to produce the radio signal type and transmitted data of an original manufacturer's keyless entry remote device system by implementing multiple modulation schema and data encoding techniques.

Abstract: The provenance of passengers intending to depart on a vehicle from a transportation facility, is ensured by providing biometric reading devices at both a check-in station and a departure area station of the facility. The name and/or other information concerning a passenger arriving at the facility is also entered for assessment into a background check system. A biometric template of the passenger is acquired by the reading device at the check-in station and forwarded to the departure area station. When the passenger appears at the latter station, a second biometric template is acquired by the reading device there. The second template is compared with each of a number of templates that were forwarded from the check-in station. If no match exists, or if the background check system returns an unsatisfactory assessment, the passenger is refused boarding onto the vehicle.

Abstract: A wirelessly sensed and controlled locking device is identified, sensed and controlled by a mobile electronic device to be locked or unlocked. The mobile electronic device comprises a battery, an information transmission chip and a first RF antenna.

Abstract: An electronic coded entry lock that includes a multifunction switch having an actuator and a circuit member. The actuator is configured to be displaced to a plurality of input positions. For example, the actuator may be displaced to at least four, and in some instances at least eight, input positions. Further, the actuator may have at least two axes of movement. Moreover, the actuator may be configured for two or three dimensional movement. When the actuator is displaced to an input position, the circuit member may provide a signal associated with that input position. The controller may determine whether the signals provided by the circuit member correspond to a security code for the electronic coded entry lock. If the signal(s) does/do correspond to the security code, the controller may generate a command to actuate a lock actuator that displaces at least a component of a lock mechanism.

Abstract: An equipment information security device is provided. The equipment information security device is installed on an equipment with confidential information, wherein the equipment or the device has a security interface, the device comprises: a fitting which is worn by a staff and combined with an electronic tag with or without authority to the corresponding equipment; a tag reader, which detects the electronic tag within a detecting area corresponding to the security interface; and an authority processing unit, which links to the tag reader: wherein the authority processing unit sets the security interface to an operation state and enables the security interface when there are only the authorized electronic tags being detected in the detecting area, and the authority processing unit sets the security interface to a security state and disables the security interface when one or more unauthorized electronic tags are detected in the detecting area.

Abstract: Biometric data-driven application of vehicle operations is implemented by a scanner, a computer processor communicatively coupled to the scanner over a vehicle network, and logic executable by the computer processor. The logic receives, from the scanner over the vehicle network, biometric data for an operator of a vehicle and compares the biometric data from the scanner to sets of biometric data stored in a memory device of the vehicle. Upon determining that the biometric data from the scanner matches one of the sets of biometric data stored in the memory device, the logic retrieves operational settings configured for the operator and implements at least one action to achieve a result defined by the operational settings.

Abstract: An integrated circuit film comprising a circuit board and a control circuit is provided. The circuit board has an IC-installation part and a contact part and having a first surface and a second surface opposite to the first surface. The contact part comprises a first set of pads and a second set of pads. The first set of pads are located on the first surface for communicating with an electrical communication device. The second set of pads are located on the second surface for communicating with a smart card. The control circuit is mounted on the IC-installation part for communicating with the electrical communication device through one of the first set of pads configured in accordance with a single wire protocol (SWP), a communication protocol.

Abstract: Systems and methods for decoding data transmitted by RFID tags are disclosed. One embodiment of the invention includes an analyzer and equalizer configured to filter an input signal, an estimation block configured to obtain a baseband representation of the modulated data signal by mixing the filtered input signal with the carrier wave, and a coherent detector configured to perform phase and timing recovery on the modulated data signal in the presence of noise and to determine a sequence of data symbols.

Abstract: A control unit associated with a monitored device, wherein the control unit has a tag radio and a main radio. The tag radio has a first antenna operable to detect and communicate with a wearable tag associated with an asset, such as a person, a piece of equipment, or a supply, over a first communications channel. The main radio has a second antenna operable to communicate data over a second communications channel. In a preferred embodiment, the control unit is operable to communicate simultaneously with a wearable tag and with a communications network using the tag radio and the main radio, respectively. Further, the tag radio is operable to determine actions of a person associated with a wearable tag based upon Radio Signal Strength Identification (RSSI) values detected in short-range communications from the wearable tag.

Abstract: Systems and methods for detecting states are disclosed. An information handling system may include a processor and a plurality of information handling resources communicatively coupled to the processor via the common control line. The processor may be configured to produce a first signal on a common control line. Each of the plurality of information handling resources may include a tag having a signal threshold, the tag configured to communicate a second signal via the common control line indicating the presence of the particular information handling resource in response to the first signal exceeding the signal threshold of the tag.