44th week of 2015 patent applcation highlights part 65 |
Patent application number | Title | Published |
20150311631 | HIGH-SPEED ELECTRICAL CONNECTOR - A high-speed electrical connector with constant characteristic impedance according to the invention has at least one pair of connection elements ( | 2015-10-29 |
20150311632 | IMAGE PROJECTION APPARATUS AND LIGHT SOURCE UNIT - An image projection apparatus includes a casing, a light source unit detachably mounted to the casing, a first connector having a first engagement member, disposed on a housing of the light source unit, a second connector having a second engagement member, disposed on the casing, and one or more supporters disposed at least one of the first connector and the second connector. The first connector is detachably engageable with the second connector. At least one of the first connector and the second connector is moveable in a direction substantially perpendicular to a connection direction of the first connector and the second connector. The one or more supporters guides one of the first engagement member and the second engagement member to the other one of the first engagement member and the second engagement member when engaging the first connector and the second connector. | 2015-10-29 |
20150311633 | PLUG CONNECTOR - A plug connector for cooperation with a socket connector ( | 2015-10-29 |
20150311634 | ANTI-DISENGAGING MECHANISM OF CABLE CONNECTOR - An anti-disengaging mechanism of a cable connector includes a power connector having a jack opening. The power connector also has a metal electrode and a ring buckle located within the jack opening. A plug has a plug pin. When the plug pin is inserted into the jack opening, the ring buckle surrounds the plug pin. A longitudinal sliding pushrod is set in the power connector so that when the longitudinal sliding pushrod is in a first position, the longitudinal sliding pushrod tilts the ring buckle so as to lock the plug pin in the jack opening. When the longitudinal sliding pushrod is in a second position, the ring buckle releases the plug pin. | 2015-10-29 |
20150311635 | RETENTION MMEBER FOR POSITIONING OPTICAL MODULE - A retention member ( | 2015-10-29 |
20150311636 | HIGH FREQUENCY CONNECTOR - A high frequency connector includes an insulator, a plurality of terminals, a shielding case and a grounding conductor. The insulator includes a tongue plate portion and a base portion. The terminals respectively have a contact portion arranged on a surface of the tongue plate portion. The contact portion is electrically connected with a docking connector. The shielding case covers outside the tongue plate portion and the base portion. A surface of the base portion is closer to the shielding case than the surface of the tongue plate portion. The grounding conductor is formed to a shielding plate and a first flat plate from a metal sheet. The shielding plate is at least partially fixed within the tongue plate portion. The first flat plate is at least partially exposed from the base portion. The shielding plate and the first flat plate are located in a region covered by the shielding case. | 2015-10-29 |
20150311637 | CONNECTOR - A connector including a body of insulating material and a fourth, a fifth, and a plurality of sixth signal terminals provided in the body. The fifth and sixth signal terminals are arranged in a line along a first direction in the body, at a height position that is different from that of the fourth signal terminal. At least two of the sixth signal terminals are adjacent to each other in the first direction. The fourth signal terminal is located between the two sixth signal terminals in the first direction. The sixth signal terminals is a low-frequency signal terminal configured to transmit a signal of a frequency being about one tenth or lower of a frequency of a signal transmitted by the fourth signal terminal. | 2015-10-29 |
20150311638 | PUSH-ON TYPE GROUNDING BUSHING - A push-type grounding bushing has an electrically conductive body having a first end, a second end, a bore formed therethrough, and an intermediate shoulder stop to contact an end of a conduit. The bushing has with a locking device gripping tabs forming a helix so that the conduit can be pushed and held in the locking device and removed by rotating the conduit relative to the body. A throat insulator is placed into the second end of the body and has a flange to cover the second end. An electrically conducting lug is secured to the body and has a recess or bore for receipt of at least one electrical conductor to ground the bushing while a fastener mechanically and electrically secures the conductor to the lug. | 2015-10-29 |
20150311639 | CONNECTION DEVICE - A connection device for connecting electric components in an electrically conducting manner. The connection device having a first contact element for making contact with a corresponding mating contact element of a first component, a second contact element for making contact with a corresponding mating contact element of a second component, a flexible conductor which connects the first contact element to the second contact element in an electrically conducting manner, and a housing which surrounds the conductor and accommodates the first contact element in a first accommodating part and the second contact element in a second accommodating part. The housing is designed in such a way as to allow a relative movement between the first accommodating part and the second accommodating part. | 2015-10-29 |
20150311640 | ELECTRICAL CONNECTOR - While efficient assembly performance of an electrical connector is obtained, good operability can be also obtained by a simple configuration. Good shielding performance with respect to transmission paths are configured to be obtained by a simple configuration in which movement of an actuator causes both shield shells to contact each other by covering at least part of outer surfaces of an insulating housing and the actuator by the shield shells consisting of electrically-conductive metal members, causing the actuator-side shield shell moved to an action position to contact the insulating-housing-side shield shell, and continuously covering the transmission paths, which are from a signal transmission medium to a printed wiring board through electrically-conductive contact members. | 2015-10-29 |
20150311641 | INSULATING BODY WITH A SHIELDING CROSS - The invention discloses an insulating body ( | 2015-10-29 |
20150311642 | PADDLE CARD ASSEMBLY FOR HIGH SPEED APPLICATIONS - A paddle card assembly is disclosed for use in providing a high speed transmission line for connecting electronic devices together. The paddle card takes the form of a circuit board that has two distinct portions, a base portion to which wires of a cable are terminated, and an extension portion that extends rearwardly toward the cable wire in order to extend between sets of wires. The extension portion has one or more ground plane layers formed therewith and supported thereby and as such, the extension portion places a ground plane in the termination area of the connector, rear of the trailing edge of the paddle card to provide shielding between pairs of wires on opposite sides of the paddle card where the cable shields are cut back. The extension portion may have either a reduced thickness, or wire-receiving channels formed therein which accommodate portions of the wires of the cable. | 2015-10-29 |
20150311643 | CONNECTOR ARRANGEMENTS FOR SHIELDED ELECTRICAL CABLES - Various high speed shielded cables are used in combination with a connector assembly. The connector assembly includes a plurality of electrical terminations in electrical contact with the conductor sets of the cable at a first end of the cable, the electrical terminations configured to make electrical contact with corresponding mating electrical terminations of a mating connector and at least one housing configured to retain the plurality of electrical terminations in a planar, spaced apart configuration. | 2015-10-29 |
20150311644 | PLUGGING AND UNPLUGGING MODULE CASE - A plugging and unplugging module case includes a body and a positioning element. The body has a plugging and unplugging opening. The positioning element has a positioning elastic body and a second engaging unit. The positioning element is disposed outside the body. The second engaging unit is a second engaging post for engaging with the first engaging hole. The body is of lower hardness than the positioning element. Hence, the positioning element quickly engages with the body, whereas the positioning elastic body is quickly positioned at a positioning hole so as to enhance the efficiency of the assembly of the plugging and unplugging module. | 2015-10-29 |
20150311645 | UNIVERSAL SERIAL BUS CONNECTOR - A universal serial bus connector includes a shielding case, an insulating main body, a first terminal group, a second terminal group and a grounding sheet. The insulating main body is accommodated and installed in the shielding case. The first terminal group is accommodated in the insulating main body. The second terminal group is accommodated in the insulating main body. The grounding sheet is fixed on the insulating main body. A surface of the shielding case has at least one bump. The bump is recessed inwards from the surface, such that the bump is electrically connected with the grounding sheet. | 2015-10-29 |
20150311646 | ELECTRICAL CONNECTOR WITH SHIELD CAP AND SHIELDED TERMINALS - A shield cap is mounted to an electrical connector for reducing crosstalk between adjoining electrical connectors. The shield cap includes a body portion and opposite shield plates. The body portion is configured to engage the electrical connector and is formed from a non-conductive material. The opposite shield plates are connected to opposite sides of the body portion and configured to at least partially cover one or more insulation displacement contacts exposed from the electrical connector. The electrical connector includes a wire termination conductor configured to be connected to a wire conductor of a cable. The wire termination conductor is at least partially coated with a shielding layer. | 2015-10-29 |
20150311647 | STACKING CONNECTOR FOR MILITARY APPLICATIONS - An electrical connector assembly adapted for military use comprising a high-density maintenance connector which supports high bandwidth video export and low level maintenance functions, a lower density I/O connector, the stacking feature allows multiple branches in an ad hoc distribution center, custom to each user, and the programmability allows for identical cables/stacking connectors to be used in different configurations. | 2015-10-29 |
20150311648 | CIRCUIT MEMBER WITH ENHANCED PERFORMANCE - An electrical connector includes a dielectric housing with a plurality of filtering modules therein. Each filtering module has a housing and a magnetics assembly including transformer cores with wires wrapped therearound. An array of pins extend from the module housing for connection to the wires. A plurality of tails extend from the module housing for interconnection to a circuit board upon which the connector may be mounted. An interconnection is provided between the pins and tails that may include filtering or other signal modifying circuitry. A circuit member having an enhanced layout is also provided for use in or upon which the connector may be mounted. | 2015-10-29 |
20150311649 | METHOD AND SYSTEM TO AUTOMATICALLY IDENTIFY ELECTRICAL DEVICES - Systems and methods provide for the transmission of identification information from an electronic device through its power cable. The device can be outfitted with a power cable that has an electronically encoded identifier that it can transmit. A power-strip can includes a separate receiver for each available outlet that can read the power-cable's electronic identifier when it is plugged in. Optionally, the identification information and the location of the power cable can be transmitted to a server or other device. | 2015-10-29 |
20150311650 | COMMUNICATIONS CABLE WITH STATUS INDICATOR FOR ELECTRONIC DEVICES - An electronic device system can include an electronic device. The electronic device can include a receptacle, and a device logic driving status unit configured to generate a status signal indicating activity of the electronic device, and a communications cable. The communications cable can include a first plug configured to connect to the receptacle and receive the status signal, wherein the first plug includes a status indicator configured to indicate activity of the electronic device based on the status signal. | 2015-10-29 |
20150311651 | CONNECTOR - A connector includes a ground pin and a signal pin. The ground pin includes a first cylindrical part, a first cylindrical terminal telescopically movable into the first cylindrical part, and a first elastic member compressible in a first central axis direction. The signal pin includes a second cylindrical part, a second cylindrical terminal telescopically movable into the second cylindrical part, and a second elastic member compressible in a second central axis direction. The signal pin is provided concentrically with the first elastic member and the first cylindrical part, and has a one-piece structure of a single metal plate. The first and the second cylindrical parts are connected to a ground line and a signal line of a board with the first and second cylindrical terminals being in contact with the board and compressed in the first and second central axis directions, respectively. | 2015-10-29 |
20150311652 | CONNECTOR AND CONTACT - A connector includes a housing attached to a board; a ground terminal including a ground base disposed in the housing, and a first ground connection part extending from the ground base toward a first end of the housing and to be connected to a ground line of a coaxial cable; and a signal terminal including a signal base that is held in the housing and surrounded by the ground base while being insulated from the ground base, and a first signal connection part extending from the signal base toward the first end of the housing and to be connected to a signal line of the coaxial cable. The ground terminal and the signal terminal are configured to elastically bend at a second end of the housing when the housing is attached to the board. | 2015-10-29 |
20150311653 | ELECTRICAL CONNECTOR HAVING TERMINALS AT DIFFERENT HEIGHTS - An electrical connector having terminals at different heights includes: a housing having a vertical wall provided with a first hole and a second hole on the counter mating side thereof; a first terminal press-fitted into the first hole; and a second terminal press-fitted into the second hole. A recessed portion is provided between the first hole and the second hole in the vertical wall. A first press-fitting portion is press-fitted into the vertical wall by coming into pressure contact with, among the wall surfaces constituting the first hole in the vertical wall, the wall surfaces on the two width direction sides, and a second press-fitting portion is press-fitted into the vertical wall by coming into pressure contact with, among the wall surfaces constituting the second hole in the vertical wall, the wall surfaces on the two width direction sides and the wall surfaces on the two height direction sides. | 2015-10-29 |
20150311654 | ELECTRICAL DISTRIBUTION SYSTEM - An electrical distribution system comprising at least one busway section comprising an elongate trunking, a plurality of linear busbars being disposed within the trunking, the busbars being supported in spaced parallel relationship to one another, each busbar being aligned with a respective elongate opening formed in a mounting face of the busway section permitting a respective male busbar engaging contact to engage the respective busbar, the system further comprising at least one tap off unit comprising a housing arranged to be mounted on the busway section, abutting said mounting face thereof, at any desired location along the length of the busway section, said at least one tap off unit having a plurality of electrically conductive busbar engaging male contacts, said contacts being moveable between a retracted position, wherein said contacts are located within the housing of the tap off unit, and an extended position, wherein said contacts extend out of the housing of the tap off unit to engage a respective busbar via said elongate openings. | 2015-10-29 |
20150311655 | MEMORY CARD ADAPTER - A memory card adapter includes a body having a set of contact pins. The set of contact pins include input pins and output pins implemented in a pin-to-pin structure. The input pins connect with pins of an inserted memory card and the output pins connect with an external socket. The body includes a bottom lead adapted to support the main body, and a top lead adapted to be combined with the bottom lead. The body includes a fixing substance adapted to combine with the contact pins. The body includes a conduction plate on a top surface or a bottom surface of the fixing substance, where the conduction plate is connected to at least one of the contact pins. | 2015-10-29 |
20150311656 | POWER ADAPTER - A power adapter includes an adapter body including a positioning structure and an insertion slot disposed at two opposite sides relative to an accommodation chamber therein and an electrical plug member for connection to an external power source, and an electrical module including a circuit board mounted in the accommodation chamber for converting inputted AC power supply into DC power supply, an adapter plate fixedly mounted on the circuit board at right angles and inserted into the positioning structure to electrically connect the electrical plug member to the circuit board and a power transmission device electrically connected to the circuit board and facing toward the insertion slot for DC power supply output. | 2015-10-29 |
20150311657 | Molded Light Strand - An electric light strand is disclosed which comprises a cable comprising at least one wire, and a plurality of sockets secured to the cable. Each socket defines an internal cavity for receiving a sleeve portion a light bulb. Each internal cavity defines a central axis. Each socket comprises a plurality of contacts configured to provide electrical communication between the at least one wire and a corresponding one of the sleeve portions. Each central axis extends in an orientation non-perpendicular to a corresponding portion of the cable secured to the corresponding socket. | 2015-10-29 |
20150311658 | SOCKET SYSTEM - A socket adapter system freely rotates, twists, and turns up to 360° to inhibit undesirable tangling and detachment by an attached cord, due to the latitude of movement provided thereto. Pressure exerted from the attaching external plug actuates the socket adapter system to rotate, as a space is created between internal bearings. A master housing protects the system and engages a mounted socket. A plug housing carries electrical current to the mounted socket with inner and outer conductors that terminate at prongs. Inner channels in the plug housing carry bearings. A brace portion holds the plug housing stationary against the master housing. A rotating socket receives an external plug and rotatably joins with the plug housing and includes outer channels that align with the inner channels of the plug housing for containing the bearings, which reduce friction to enable free rotation. | 2015-10-29 |
20150311659 | METHOD AND DEVICE FOR PRODUCING A CRIMP CONNECTION - A method for producing a crimp connection includes initially guiding a cable end of a cable with a gripper to a crimping press. For this feed movement the gripper is moved by an actuator in an axial direction along the cable axis. The cable end is thereafter connected with a crimp contact. During the crimping process the gripper is, for compensation for length extension of the cable during crimping, moved along the cable axis in a return movement in an opposite direction to the feed movement. | 2015-10-29 |
20150311660 | JIG AND PRESS-FITTING DEVICE COMPRISING THIS JIG - Provided are a jig and a press-fitting device that are capable of suppressing buckling during the press-fitting process. The jig has a jig unit in which a plurality of metal plate-shaped bodies for installing a press-fit terminal onto a substrate are combined i.e. it includes: a movable guide member having a guide groove through which a terminal main body can pass; an insertion punch having a punch groove corresponding to the guide groove, and having a pressing section formed therein; and a rear surface plate body. The movable guide member and the rear surface plate body are attached so as to be vertically movable relative to the insertion punch and, while the press-fit section is being press-fitted into the substrate by the insertion punch, the movable guide member and the rear surface plate body move upward relative to the insertion punch after the lower sides thereof abut to the substrate. | 2015-10-29 |
20150311661 | PRESS-FITTING DEVICE - The press-fitting device has: a base; a rear surface plate; and a vertical operation section and mounts PF terminals having a shoulder section and a PF section to the member to be mounted. Provided on the vertical operation section are: an insertion path wherein a continuous PF terminal body formed by consecutive PF terminals is inserted; a movable feeding means that feeds the continuous PF terminal body along; a dividing means that divides the continuous PF terminal body into individual PF terminals; and a mounting means that mounts the PF terminals to the mounting member. A fixed feeding means is fixed to the rear surface plate in a static state relative to the vertical operation section, and restricts continuous PF terminal body movement that is in conjunction with the vertical operation section. The PF terminals are mounted to the mounting member by the vertical movement of the vertical operation section. | 2015-10-29 |
20150311662 | STABLE MICROWAVE-FREQUENCY SOURCE BASED ON CASCADED BRILLOUIN LASERS - A microwave-frequency source, generating an output electrical signal at an output frequency f | 2015-10-29 |
20150311663 | FREQUENCY-STABILIZED RANDOM DISTRIBUTED FEEDBACK FIBER RING LASER WITH LOW INTENSITY NOISE - A method and apparatus for producing single mode random fiber ring laser by inducing random distributed feedback in a short section of the fiber ring to thereby enable single mode lasing while reducing frequency jitter and relative intensity noise. The random distributed feedback maybe achieved through deep refractive index modulation at a series of randomly distributed laser-irradiated points inscribed along the length of the induced random distributed feedback fiber. The laser-processed random distributed feedback fiber maybe incorporated into the fiber ring in conjunction with a variable optical attenuator and band pass optical filter for enhancing the single mode operation. | 2015-10-29 |
20150311664 | METHOD AND APPLICATIONS OF THIN-FILM MEMBRANE TRANSFER - The disclosure relates to method and apparatus for micro-contact printing of micro-electromechanical systems (“MEMS”) in a solvent-free environment. The disclosed embodiments enable forming a composite membrane over a parylene layer and transferring the composite structure to a receiving structure to form one or more microcavities covered by the composite membrane. The parylene film may have a thickness in the range of about 100 nm-2 microns; 100 nm-1 micron, 200-300 nm, 300-500 nm, 500 nm to 1 micron and 1-30 microns. Next, one or more secondary layers are formed over the parylene to create a composite membrane. The composite membrane may have a thickness of about 100 nm to 700 nm to several microns. The composite membrane's deflection in response to external forces can be measured to provide a contact-less detector. Conversely, the composite membrane may be actuated using an external bias to cause deflection commensurate with the applied bias. Applications of the disclosed embodiments include tunable lasers, microphones, microspeakers, remotely-activated contact-less pressure sensors and the like. | 2015-10-29 |
20150311665 | EXTERNAL CAVITY SYSTEM GENERATING BROADLY TUNABLE TERAHERTZ RADIATION IN MID-INFRARED QUANTUM CASCADE LASERS - A broadly tunable terahertz source constructed as an external cavity system using a difference-frequency generation quantum cascade laser source. The external cavity system includes an external diffraction grating configured to tune and reflect mid-infrared emission at a first wavelength. The laser includes a mid-infrared feedback grating defined in the laser waveguide of the laser to fix mid-infrared lasing at a second wavelength. Alternatively, two external diffraction gratings may be configured to tune and reflect mid-infrared emission at a first wavelength and a second wavelength. Tunable terahertz radiation is then generated at frequency ω | 2015-10-29 |
20150311666 | COMPACT ULTRA-SHORT PULSE SOURCE AMPLIFIERS - The present invention relates to compact, low noise, ultra-short pulse sources based on fiber amplifiers, and various applications thereof. At least one implementation includes an optical amplification system having a fiber laser seed source producing seed pulses at a repetition rate corresponding to the fiber laser cavity round trip time. A nonlinear pulse transformer, comprising a fiber length greater than about 10 m, receives a seed pulse at its input and produces a spectrally broadened output pulse at its output, the output pulse having a spectral bandwidth which is more than 1.5 times a spectral bandwidth of a seed pulse. A fiber power amplifier receives and amplifies spectrally broadened output pulses. A pulse compressor is configured to temporally compress spectrally broadened pulses amplified by said power amplifier. Applications include micro-machining, ophthalmology, molecular desorption or ionization, mass-spectroscopy, and/or laser-based, biological tissue processing. | 2015-10-29 |
20150311667 | NON-REGENERATIVE OPTICAL ULTRASHORTPULSE AMPLIFIER - Non-regenerative optical amplifier has a first optical amplifying medium and at least one second optical amplifying medium. The non-regenerative optical amplifier may be an ultrashort pulse amplifier. The material properties of the first amplifying medium differ at least partially from the material properties of the second amplifying medium. The emission spectra of the amplifying media overlap partially, and the amplifying media are solid-state bulk crystals. | 2015-10-29 |
20150311668 | METHOD AND APPARATUS FOR DEPOLARIZING LIGHT - A light source assembly ( | 2015-10-29 |
20150311669 | EXTERNAL CAVITY FABRY-PEROT LASER - Methods, systems, and apparatus, for an external cavity FP laser. In one aspect, an apparatus is provided that includes a FP laser diode; a Faraday rotator (FR) coupled to receive an optical output of the FP laser diode and that rotates a polarization of the optical output; an optical fiber coupled at a first end to receive the output of the FR; a WDM filter coupled to a second end of the optical fiber to receive the optical signal from the optical fiber; and a FRM coupled directly or indirectly to an output of the WDM filter, wherein an optical output of the WDM filter is partially reflected by the FRM such that the polarization of a reflected beam is rotated, and wherein the reflected optical signal then passes through the FR with its polarization being rotated by the FR before it is injected back into the FP laser diode. | 2015-10-29 |
20150311670 | HEAT-SWAP DEVICE AND METHOD - A TOSA can include: a light emitting element; and one or more heating elements thermally coupled to the light emitting element so as to provide a substantially constant heat generation profile and/or temperature profile across the TOSA during a light emitting element dormant period and a light emitting element firing period. The TOSA can include a controller operably coupled with the one or more heating elements so as to control the substantially constant heat generation profile and/or temperature profile. In one aspect, the one or more heating elements can include one or more dedicated heating elements. In one aspect, the one or more of the dedicated heating elements can include a resistor element or coil. | 2015-10-29 |
20150311671 | NON-LINEAR FILTER FOR DML - A circuit is disclosed having a component having repeatable distortion characteristics; and a drive circuit for providing a drive signal and comprising a non-linear filter for pre-compensating for distortion introduced by the component having repeatable distortion characteristics in response to the drive signal, the distortion having a non-linear response to the drive signal. | 2015-10-29 |
20150311672 | WIDELY TUNABLE LASER CONTROL - A tunable laser has a first binary super grating (BSG), a second BSG, and a phase adjuster. The first BSG, the second BSG, and the phase adjuster are optically tuned by changing temperatures of respective heating elements. The tunable laser also includes three temperature sensors, a first sensor to measure the temperature of the first BSG; a second sensor to measure the temperature of the second BSG, and a third sensor to measure the temperature of the phase adjuster. A lasing frequency is determined by a set of values of the three temperature sensors. In some embodiments, instead of a third temperature sensor, a pilot tone is applied to the phase adjuster to lock to a maximum of an aligned pair of peaks. | 2015-10-29 |
20150311673 | Polarization Control in High Peak Power, High Brightness VCSEL - A new VCSEL design is presented to achieve high output power and high brightness with a strong selection of a linear polarization state in high speed pulsing operation. Higher output power is achieved by including multiple gain segments in tandem, in the gain region. To achieve single mode operation with high output power, an extended cavity three reflector design is presented. High degree of polarization selectivity is achieved by a linear grating deployed with the third reflector, such that lasing is allowed only in a preferred linear polarization state. A polarization selective reflector including a linear grating is designed to impart strong polarization selectivity for a preferred linear polarization state. The polarization selective reflector used as the third reflector in an extended cavity VCSEL device, exhibits strong polarization selection for a preferred linear polarization state during high speed pulsing including in the gain switching resonance regime. | 2015-10-29 |
20150311674 | SEMICONDUCTOR LASER DEVICE AND MANUFACTURING METHOD OF THE SAME - A semiconductor laser device having a diffraction grating is disclosed. The semiconductor laser device comprises a first diffraction grating provided on a substrate, a second diffraction grating continuous to one end of the first diffraction grating along an optical waveguide direction, and an active layer provided above the first diffraction grating. The second diffraction grating has a pitch 1.05 times or greater, or 0.95 times or smaller of the pitch of the first diffraction grating. | 2015-10-29 |
20150311675 | VERTICAL-CAVITY SURFACE-EMITTING LASER - Provided are a base substrate made of a semi-insulating semiconductor; an emission region multilayer unit formed on a surface of the base substrate and including each of an N-type semiconductor contact layer, an N-type DBR layer, an active layer, a P-type semiconductor DBR layer, and a P-type semiconductor contact layer; an anode electrode connected to the P-type semiconductor contact layer; and a cathode electrode formed on a surface side of the base substrate and connected to the N-type semiconductor contact layer. The N-type DBR layer is formed of 15 or more pairs of layers with different compositions laminated on each other. Through this configuration, a vertical-cavity surface-emitting laser that can suppress an occurrence of a defect caused by crystal missing arising from the base substrate can be provided at reduced cost. | 2015-10-29 |
20150311676 | OPTICAL SEMICONDUCTOR DEVICE, SEMICONDUCTOR LASER MODULE, AND OPTICAL FIBER AMPLIFIER - An optical semiconductor device outputting a predetermined wavelength of laser light includes: a quantum well active layer positioned between a p-type cladding layer and an n-type cladding layer in thickness direction; a separate confinement heterostructure layer positioned between the quantum well active layer and the n-type cladding layer; and an electric-field-distribution-control layer positioned between the separate confinement heterostructure layer and the n-type cladding layer and configured by at least two semiconductor layers having band gap energy greater than band gap energy of a barrier layer constituting the quantum well active layer. | 2015-10-29 |
20150311677 | SEMICONDUCTOR DEVICE - The characteristics of a semiconductor laser are improved. In a semiconductor laser having an n type cladding layer, an active layer, and a p type cladding layer, a current block layer is provided. For example, the current block layer is arranged partially between the p type cladding layer and the active layer, and in the overlapping region of the p type cladding layer and the active layer. Thus, in a current narrowing region of the overlapping region of the p type cladding layer and the active layer, the current block layer is arranged, thereby to suppress the current injected into a part of the active layer. This results in the formation of a saturable absorbing region, which causes a difference in intensity of the optical output of the semiconductor laser. This can implement self-pulsation. | 2015-10-29 |
20150311678 | SEALING RING FOR A SPARK PLUG OF AN INTERNAL COMBUSTION ENGINE, SPARK PLUG AND INTERNAL COMBUSTION ENGINE - A sealing ring for a spark plug that has an external thread for screwing into an internal combustion engine, a collar and a thread undercut between the external thread and the collar. The sealing ring includes a ring-shaped solid sealing element made from metal. The sealing element has two planar annular sealing surfaces that are arranged parallel to one another. An annular retaining element composed of an elastomer for engaging in the thread undercut of the spark plug in a self-retaining manner is attached to the sealing element on the inner ring side thereof. Also included is a spark plug comprising such a sealing ring, and an internal combustion engine comprising such spark plugs. | 2015-10-29 |
20150311679 | SPARK PLUG - A spark plug with an inner conductor, a center electrode connected with the inner conductor, an insulator surrounding the inner conductor and having a front end and a rear end, a spark plug body surrounding the insulator and having a front end and a rear end, and a ground electrode connected with the front end of the spark plug body. The front end of the spark plug body projects over the front end of the insulator, a recess is arranged at the front end of the insulator from which recess the center electrode projects and forms an air spark gap with the ground electrode, an annular intermediate space is formed by the recess between the insulator and the center electrode, and a surface of the recess runs in an at least partially curved manner between the center electrode and the end of the spark plug body so that the recess forms an insulating section that prevents a sliding spark between the center electrode and the spark plug body. | 2015-10-29 |
20150311680 | DISTRIBUTION OF CORONA IGNITER POWER SIGNAL - A corona discharge ignition system comprising a plurality of corona igniters is provided. The system includes a control and drive electronics unit for directing the energy from a power supply toward the corona igniters; and a single transformer disposed between the control and drive electronics unit and the plurality of corona igniters. A plurality of igniter switching units is connected to the control and drive electronics unit and each igniter switching unit is connected to a separate one of the corona igniters. Each igniter switching unit allows current to travel from the transformer to the one connected corona igniter when activated and prevents current from traveling from the transformer to the one connected corona igniter and from the one connected corona igniter toward the transformer when deactivated. Only one of the igniter switching units is activated at any given time during operation of the system. | 2015-10-29 |
20150311681 | MOTORCYCLE IGNITION COIL ASSEMBLY - In accordance with one embodiment, an ignition coil assembly includes an ignition coil cover, a boot, and an ignition coil. The ignition coil cover includes a plurality of fins, an opening, and a channel. The boot includes a slotted opening and a centralized orifice and is configured to be disposed within the opening of the ignition coil cover. The ignition coil includes a seat and a tab. The ignition coil is configured to be disposed within the centralized orifice. The seat is capable of supporting the ignition coil within the centralized orifice of the boot. The tab is configured to be inserted into the slotted opening and the channel when the ignition coil is disposed within the centralized office and the boot is disposed within the opening. | 2015-10-29 |
20150311682 | METHOD OF APPLYING A COATING TO A SPARK PLUG INSULATOR - A method of applying a coating to a spark plug insulator comprises the steps of forming a slurry solution and applying the slurry solution as a first coating to an insulative sleeve configured for use in a spark plug. The method further includes the step of heat treating the insulative sleeve to a temperature of between about 500 degrees Celsius and about 1000 degrees Celsius for between about 10 minutes and about 2 hour(s). Still further, the method includes the step of applying a second coating overlying at least a portion of the first coating, wherein the second coating comprises an organic binder. | 2015-10-29 |
20150311683 | ELECTRICAL SYSTEM, AND SUPPORT ASSEMBLY AND METHOD OF RACKING ELECTRICAL SWITCHING APPARATUS THEREFOR - A support assembly is for an electrical system including an electrical enclosure, an electrical switching apparatus removably disposed in the electrical enclosure, and a plate member coupled to the electrical switching apparatus. The plate member includes a distal portion facing away from the electrical enclosure. The electrical switching apparatus includes an operating handle extending through the distal portion. The support assembly includes a base assembly. The base assembly includes a base. The support assembly further includes a number of brace assemblies each coupled to the base and structured to be coupled to the distal portion of the plate member. | 2015-10-29 |
20150311684 | GAS-INSULATED SWITCHGEAR - A circuit breaker is accommodated in a circuit breaker compartment such that a contacting/separating direction of a contact of the circuit breaker is along a vertical direction, a cable terminal of a first cable connected to one terminal of the circuit breaker via a first disconnector is accommodated in a first connection compartment such that a central conductor of the cable terminal is along the vertical direction, and a disconnector compartment which accommodates the first disconnector such that a contacting/separating direction of a contact of the first disconnector is along the vertical direction, is joined so as to be disposed between the circuit breaker compartment and the first connection compartment. | 2015-10-29 |
20150311685 | COVERING FOR ELECTRICAL CORD - An electric cord covering for protecting surrounding surfaces from damage by the electrical cord, comprising: a flexible tube defining interior and exterior surfaces; a proximal edge and an opposing distal edge joining the interior and exterior surfaces, each edge defining an opening; an interior space defined by the interior surface operable to receive at least one electrical cord at least partially therein such that the received cord is housed within the flexible tube; and at least one structural support for promoting the traversal of the electrical cord within the flexible tube. | 2015-10-29 |
20150311686 | SNAP-IN GANGABLE ELECTRICAL BOX - A gangable electrical box includes a U-shaped box member having a generally rectangular back wall including opposed back wall ends. An end wall extends from each of the back wall ends. Each of the end walls has opposed longitudinal edges. The gangable box further includes a pair of generally rectangular side walls where each side wall has opposed side wall ends. The side wall ends are attachable to the U-shaped box member to define an open ended box interior. The longitudinal edges of the end walls and the opposite ends of the side walls include interfitting snap fit connection for toolless attachment of the side walls to the box member. | 2015-10-29 |
20150311687 | REMOVABLE ELECTRICAL-ACCESSORY MODULE, AN ELECTRICAL BOX FOR RECEIVING SUCH AN ACCESSORY MODULE, AND A REPLACEMENT METHOD FOR REPLACING SUCH AN ACCESSORY MODULE - An electrical-accessory module ( | 2015-10-29 |
20150311688 | ELECTRICAL JUNCTION BOX - An electrical junction box includes a body case of the electrical junction box that has an opening part facing electrical components and has a case side locking part, and a cover that covers the opening part, is engaged to the body case of the electrical junction box, and has a cover side locking part. The cover is engaged to or disengaged from the body case of the electrical junction box with the case side locking part and the cover side locking part. The cover has a cover side abutting part to match a position of the cover side locking part. The body case of the electrical junction box has a case side abutting part to match a position of the case side locking part and a position of the cover side abutting part. | 2015-10-29 |
20150311689 | WALL STRUCTURE AND LIGHTING SYSTEM USING THE SAME - Disclosed are a wall structure and a lighting system using the same. The wall structure in accordance with one embodiment of the present invention includes an installation surface on which an electronic apparatus is installed; a first conductive attachment part provided at the installation surface to be attached to the electronic apparatus, and electrically connected with a first terminal of a power source configured to supply power to the electronic apparatus; and a second conductive attachment part provided at the installation surface to be attached to the electronic apparatus, spaced from the first conductive attachment part, and electrically connected with a second terminal of the power source configured to supply power to the electronic apparatus. | 2015-10-29 |
20150311690 | Electrically conductive housing with cable strain relief and shield connection - An electrically conductive housing with cable strain relief and shield connection, wherein a cable is introduced into a recess of the housing, wherein the strain relief includes a thrust member that can be displaced radially in the recess of the housing and the thrust member is biased with at least one housing-side clamping screw, presses the cable sheathing of the cable against a housing-side mold surface opposite the thrust member. The recess passes through the device wall of the housing in whose wall area the thrust member is arranged. The housing-side mold surface opposite the thrust member includes an mold surface conformed approximately to the outer shape of the cable sheathing that transitions into the recess in the device wall enlarged in comparison to the mold surface. | 2015-10-29 |
20150311691 | OVERCURRENT PROTECTION CIRCUIT, SEMICONDUCTOR DEVICE AND VOLTAGE REGULATOR - To provide an overcurrent protection circuit which prevents an excessive current from flowing to an output terminal for a long time, and a semiconductor device and a voltage regulator each equipped with the overcurrent protection circuit. An overcurrent protection circuit is configured to include a first transistor which allows a current proportional to an output current flowing through an output transistor to flow, a constant current circuit which allows a reference current to flow, a comparison circuit which compares the current flowing through the first transistor and the reference current, and a control circuit which controls a gate of the output transistor by a signal outputted from the comparison circuit. | 2015-10-29 |
20150311692 | DRIVE PROTECTION CIRCUIT, SEMICONDUCTOR MODULE, AND AUTOMOBILE - It is an object of the present invention to provide a technology capable of reliably suppressing a surge voltage even in a case where noise having a small pulse width is generated. A drive protection circuit that drives and protects a switching element includes a gate driving circuit that drives the switching element in response to a gate driving signal and an overcurrent protection circuit that operates a soft cutoff circuit upon an overcurrent of the switching element, the soft cutoff circuit causing the switching element to transition from ON to OFF at a switching speed slower than that of the gate driving circuit. In the drive protection circuit, in a case where a pulse width of ON of the gate driving signal is less than or equal to a response time of the overcurrent protection circuit, the drive protection circuit operates the soft cutoff circuit to cause the switching element to transition from ON to OFF, regardless of the overcurrent. | 2015-10-29 |
20150311693 | DEVICE FOR LIMITING DISTURBANCES OF AN ELECTRICAL NATURE - Device for limiting disturbances of an electrical nature, such as currents induced by overvoltages caused by these disturbances, in particular electromagnetic, for example relating to events of lightning type in an electrical installation, comprising at least one protection apparatus of isolator or differential breaker type intended to protect at least one downstream electrical installation having at least one load and being powered between a neutral conductor ( | 2015-10-29 |
20150311694 | Security System Output Interface with Overload Detection and Protection - An output interface circuit for a security panel. The output interface circuit includes an output switch for activating one or more output devices in response to a control signal from a port controller. The output interface circuit also includes an overload detection circuit for deactivating the one or more output devices in response to determining that a magnitude of a voltage associated with the one or more output devices exceeds an overload threshold voltage. The overload detection circuit comprises a protection switch for rendering the output switch non or less conductive thereby preventing damage to the output switch and possibly deactivating the one or more output devices when the voltage associated with the one or more output devices exceeds the overload threshold voltage. | 2015-10-29 |
20150311695 | VARIABLE FREQUENCY DRIVE OVERVOLTAGE PROTECTION - Overvoltage protection apparatuses, systems and methods for variable frequency motor drives are disclosed. In an exemplary embodiment, a variable frequency motor drive system including a rectifier, a DC bus electrically coupled with the rectifier, and an inverter electrically coupled with the DC bus is provided. A protection device electrically coupled with the rectifier and configured to interrupt power supply to the system based upon fault conditions is provided. A controller is provided and configured to receive information indicative of a voltage of the DC bus, process the received information to model a condition of at least one component of the variable frequency motor drive, and control the protection device to interrupt power supply to the variable frequency motor drive if the modeled condition meets a fault criterion. | 2015-10-29 |
20150311696 | SYSTEM AND METHOD FOR PROTECTING ELECTRICAL MACHINES - In one aspect, a method for protecting one or more electrical machines during a grid fault on an electrical system connected with the one or more electrical machines is provided. The method includes detecting a grid fault on an electrical system; taking one or more first actions from a first set of actions based on detected grid fault on the electrical system; detecting at least one operating condition of the electrical system after taking one or more first actions from the first set of actions based on the detected grid fault on the electrical system; and taking one or more second actions from a second set of actions based on the detected at least one operating condition of the electrical system. | 2015-10-29 |
20150311697 | TRANSFORMER PROTECTION CIRCUIT AND METHOD - Systems and methods for protecting an electrical component in an alternating current system that includes a transformer are disclosed. In one aspect, a circuit includes a switch assembly connected between a transformer neutral of a transformer and a ground and having an open position and a closed position. In normal operation, the switch remains in a closed position. The circuit further includes a DC blocking component positioned in parallel with the switch assembly and connected between the transformer neutral and the ground, a voltage probe connected between the transformer neutral and ground and configured to monitor an instantaneous voltage level at the transformer neutral, and a control circuit configured to control the switch assembly, the control circuit including a sensor configured to actuate the switch assembly to an open position at least upon detection of a harmonic signal in at least one phase of the transformer or a predetermined threshold of DC or quasi DC current between the transformer neutral and the ground. | 2015-10-29 |
20150311698 | POWER STRIP, POWER PLUG, AND POWER OUTLET - A power strip includes a power plug and an outlet connected to the power plug through a power cord. The power plug has a plugging face and at least one power pin disposed on the plugging face. The power plug includes a first thermal cut-off device, which has a first thermal sensing pin exposed on the plugging face. The outlet has at least one set of apertures. The first thermal cut-off device is in electrically connection with a power output wire of the power plug. The first thermal cut-off device cuts off the power transmission between the power plug and the outlet when the temperature of the plugging face exceeds a first determined temperature. | 2015-10-29 |
20150311699 | Inter-Zone Communication In Industrial Control Systems - An Industrial Automation and Control System (IACS) for an industrial process including several neighbouring zones connected via a boundary element. The IACS includes a number of communicatively interconnected Intelligent Electronic Devices (IEDs), wherein low-level IEDs interact with primary devices, and wherein high-level IEDs implement high-level zone functions. The IACS includes a logical communication link between the two high-level IEDs for bypassing the connecting IED in case of communicative unavailability. The communication link enables exchange between the high-level IEDs of summarized information including data originating from low-level IEDs of a first of the zones and relevant for a high-level function on behalf of some other zones. This reduces the communication load at the higher level function while maintaining an availability level comparable to a completely central solution. | 2015-10-29 |
20150311700 | ELECTROSTATIC DISCHARGE PROTECTION CIRCUIT - An electrostatic discharge (ESD) protection circuit includes a first n-type transistor, a discharge acceleration circuit and a discharge time circuit. The first n-type transistor has a first terminal coupled to a supply voltage, a second terminal coupled to a reference voltage, and a gate, wherein the first n-type transistor couples the supply voltage to the reference voltage during an ESD event at an I/O pad. The discharge acceleration circuit is coupled to the gate of the first n-type transistor to the I/O pad during the ESD event and coupled to the gate of the first n-type transistor to the reference voltage when there is no ESD event. The discharge time circuit, coupled to the discharge acceleration circuit and the supply voltage, controls a discharge time of the first n-type transistor of coupling the supply voltage to the reference voltage during the ESD event at the I/O pad. | 2015-10-29 |
20150311701 | METHOD AND SYSTEM FOR TRANSIENT VOLTAGE SUPPRESSION DEVICES WITH ACTIVE CONTROL - A transient voltage suppression (TVS) device and a method of forming the device are provided. The transient voltage suppression (TVS) device includes a first layer of wide band gap semiconductor material formed of a first conductivity type material, a second layer of wide band gap semiconductor material formed of a second conductivity type material over at least a portion of the first layer, and a third layer of wide band gap semiconductor material formed of the first conductivity type material over at least a portion of the second layer. The TVS device also includes a conductive path electrically coupled between the second layer and an electrical connection to a circuit external to the TVS device, the conductive path configured to permit controlling a turning on of the TVS device at less than a breakdown voltage of the TVS device. | 2015-10-29 |
20150311702 | SAFE POWER SOCKET AND POWER EXTENSION DEVICE HAVING THE SAME - A safe power socket includes: a main body; a circuit board disposed in the main body and formed with two soldering parts; and a protection set electrically connected to the circuit board and including an insulation member, a protection wire and two electrical conduction parts respectively connected at one location and another location of the insulation member, the protection wire is formed with two end parts respectively and electrically connected to the two electrical conduction parts, and the two electrical conduction parts are respectively connected to the two soldering parts. Accordingly, the protection set having a larger force applying area can be formed for being easily and smoothly inserted in a circuit board or adhered thereon with a surface mount means, thereby greatly lowering the production difficulty and relatively increasing the yield rate, and the protection wire having a unified size can be easily manufactured. | 2015-10-29 |
20150311703 | ENERGY MANAGEMENT METHOD ALLOWING A DISTRIBUTION OF THE ENERGY BETWEEN AN ELECTRICAL NETWORK AND A PROCESSING SYSTEM INTENDED IN PARTICULAR TO STORE ENERGY - The energy management method comprises a step of harvesting (E | 2015-10-29 |
20150311704 | POWER CONVERSION CIRCUIT - A power conversion circuit includes first to fourth switching elements connected in series between grand and high voltage electrical paths, a first reactor, a main battery, a second reactor, a sub battery, a high voltage sensor for detecting a high voltage VH between the grand and high voltage electrical paths, and a controller. Upon issuance of an instruction for turning off all of the first to fourth switching elements, the controller determines that the third switching element is experiencing an ON failure when the high voltage VH is equal to the sum of a battery voltage VB | 2015-10-29 |
20150311705 | MULTIPORT POWER CONVERTER WITH LOAD DETECTION CAPABILITIES - Power converters are provided that convert alternating current (AC) power to direct current (DC) power. A power converter may have multiple ports. Each port may have an associated connector with multiple power and data terminals. When an electronic device is connected to a given port, the electronic device draws DC power from the power converter. To ensure that the capacity of the power converter is not exceeded when multiple devices are connected to the ports of the power converter, the power converter may actively monitor its ports for active loads. Load detection circuitry can determine what number of ports are active. Control circuitry can compute a per-port available DC power level based on the number of active ports and can provide this information to connected devices. | 2015-10-29 |
20150311706 | POWER SUPPLY DEVICE, AND CONTROL METHOD OF POWER SUPPLY DEVICE - A power supply device according to an embodiment comprises a plurality of power sources | 2015-10-29 |
20150311707 | POWER SUPPLY CIRCUIT, AND METHOD FOR CONTROLLING THE SAME - A power supply circuit according to an embodiment has a plurality of voltage sources, a switch circuit that switches between a state in which the plurality of voltage sources are connected in series and a state in which the plurality of voltage sources are connected in parallel, and a voltage control circuit that boosts an input voltage. The switch circuit connects the plurality of voltage sources in series, supplies an output of the plurality of serially connected voltage sources to an output node of the voltage control circuit, thereafter connects the plurality of voltage sources in parallel, and supplies outputs of the plurality of parallel-connected voltage sources to the voltage control circuit. The voltage control circuit boosts voltages of the plurality of parallel-connected voltage sources. | 2015-10-29 |
20150311708 | SYSTEM AND METHOD FOR HYBRID ENERGY CONVERSION - A system and method for conditioning DC power received from hybrid DC power sources is disclosed. A power conversion circuit is coupled to a respective DC power source to selectively condition the output power generated thereby to a DC bus voltage. The power conversion circuit includes a switch arrangement and capacitors arranged to provide a charge balancing in the power conversion circuit. A controller in operable communication with the switch arrangement receives inputs on a DC bus voltage and at least one parameter related to operation of the DC power source, and determines an adjustable voltage to be output from the conversion circuit to the DC bus based on the received inputs. The controller then selectively controls operation of the switch arrangement in order to generate the determined adjustable voltage. | 2015-10-29 |
20150311709 | Network for Transmitting Information and Transmission Network Node - This network comprising functional nodes connected in series by information transmission means, in which the information assumes the form of discrete messages propagating from node to node in the network, is characterized in that the information transmission means for transmitting information between the nodes are bidirectional so as to allow information to propagate in both directions of flow of the network, and each node includes at least one first and one second port associated by programming, for information input/output, connected to adjacent nodes by corresponding information transmission means and the operation of which is controlled in an exclusive and sequential manner, by communication automaton means, between an operating mode for the asynchronous reception of information from its adjacent nodes and an operating mode for the synchronous transmission of information to the nodes adjacent thereto, and in that the means for transmitting information between the nodes ( | 2015-10-29 |
20150311710 | A time based global optimization dispatching method - The invention discloses a global optimization and dispatching method based on time scales. The time scale based global optimization and dispatching method disclosed herein, relies on a target value system and a dispatch model. The global optimization and dispatching method depends on the results from a variety of subtopics. The methods provide adjustment and optimization in accordance with the time scales that are given in the sub goal of each sub topic: long-term, mid-long-term, short-term, ultra short term and real time optimization. Smart distribution grid can improve operational efficiency, integrated application of new elements in the distribution network of distribution energy network, micro grid, energy storage device and non-linear loads. This invention is fully adapted to the smart grid trends, with a good prospective. | 2015-10-29 |
20150311711 | POWER ROUTER, POWER NETWORK SYSTEM, POWER ROUTER OPERATION CONTROL METHOD, AND NON-TRANSITORY COMPUTER READABLE MEDIUM HAVING POWER ROUTER OPERATION CONTROL PROGRAM STORED THEREON - A power router is adequately managed or controlled to construct a power network system in which power cells are asynchronously connected with each other. A first leg ( | 2015-10-29 |
20150311712 | METHOD FOR PROVIDING CONTROL POWER TO STABILIZE AN ALTERNATING CURRENT NETWORK, USING AN ENERGY ACCUMULATOR - The present invention relates to a method for providing control power to stabilize an AC electrical grid, comprising an energy store which can take up and emit electrical energy, wherein for the purpose of providing the control power, the energy store is used together with a differential power provider, wherein the AC electrical grid operates at a predefined frequency and a frequency band around the predefined frequency is defined and the control power to be provided in the case of a frequency deviation within the frequency band is provided by the energy store to the extent of more than 50%, relative to the total control power to be provided. | 2015-10-29 |
20150311713 | Service-based Approach Toward Management of Grid-Tied Microgrids - Systems and methods are disclosed for providing service based interactions between a utility and a microgrid by adjusting power flow profile at a point of common coupling (PCC) between a microgrid and a utility, wherein the power flow profile is adjusted to achieve a predetermined objective function based on a utility request; delivering different services to the utility at different periods of time by altering its internal operation of distributed generators, energy storage units, and demands as a multi-purpose microgrid; and managing the microgrid to deliver services to the utility and reduce its operational cost simultaneously. | 2015-10-29 |
20150311714 | Resilient Communication for an Electric Power Delivery System - A system for resiliently monitoring an electric power delivery system may include a plurality of server intelligent electronic devices (IEDs) configured to monitor and/or control the electric power delivery system. Each server IED may be communicatively coupled to a client control system by a plurality of communication paths. If a communication path fails, communication may continue along another path. In an embodiment, the client control system may include dual primary client controllers that continually request information from the server IEDs using multiple of the communication paths. The client controllers may request information from each other if the information is not received from the server IEDs, for example, due to a communication failure. In an embodiment, the client control system and server IEDs may be communicatively coupled in a loop topology, and each direction around the loop may be a distinct communication path. | 2015-10-29 |
20150311715 | SYSTEM AND METHOD FOR PLANNING OF DEMAND FOR POWER ON AN ELECTRICAL POWER NETWORK - A system and method for calculating energy to be preceded or delayed through a deactivation of appliance on a power network to reduce a highest threshold of power production required to meet power demand. Predictions of power demand by appliances and the possibility of preceding or delaying such demand away from a time of high power usage allow power use to be shifted away from periods of peak production. Further, such predictions allow more complete use of power once a power generator has been activated. | 2015-10-29 |
20150311716 | CONSENSUS-BASED DISTRIBUTED COOPERATIVE CONTROL FOR MICROGRID VOLTAGE REGULATION AND REACTIVE POWER SHARING - A controller used in microgrid systems that includes a primary control module and a secondary control module. The primary control module may employ a primary consensus control to control at least one of a real power and reactive power sharing in at least one distributed generator system of a microgrid. The secondary control module may employ a secondary consensus control to maintain at least one of voltage and frequency in the microgrid to a nominal value. | 2015-10-29 |
20150311717 | ENERGY STORAGE INSTALLATION - An energy storage system is provided that is adapted to simultaneously carry out control and system tasks in non-local and local power supply grids and to a method for operating such an energy supply system. The energy storage system comprises at least one energy storage module and a system storage capacity and system output, wherein the energy storage system is at least intended for connection to a non-local power supply grid for the execution of received, non-localized control and system tasks in the non-local power supply grid and for connection to one or more local power supply grids for the execution of received, localized control and system tasks in the local power supply grid(s), and is adapted to be connected to a communication network via at least one interface and to receive at least the non-localized control and system tasks via the communication network. | 2015-10-29 |
20150311718 | OPTIMIZING VOLTAGE AND VAR ON THE ELECTRIC GRID USING DISTRIBUTED VAR SOURCES - A plurality of edge of network grid volt ampere reactive (VAR) sources are provided in a power system in order to effectuate control at a customer level, which in turn effectuates control at a feeder level, which in turn effectuates control of an entire power system or wide area electric grid network. By optimally selecting voltage setpoints and applying such voltage setpoints to the plurality of edge of network grid VAR sources, the power system can be configured to self-balance, power factor compensation can be determined without the need for measuring load power factor. Moreover, traditionally volatile voltages at the feeder can be flattened, and VAR control can be realized. | 2015-10-29 |
20150311719 | GENERATOR FOR PRODUCING ELECTRIC POWER - A generator for producing electric power, the generator including a generator unit including a stator) and a rotatably supported rotor, wherein the stator includes a first set of windings and a second set of windings, and the rotor is adapted to induce electrical voltage in the first set of windings and in the second set of windings when the rotor is rotated relative to the stator, the generator further includes a first converter coupled to the first set of windings, the first converter being adapted to convert alternating voltage in the first set of windings into an output DC voltage, a DC output coupled to the first converter to receive the output DC voltage, and a second converter coupled to the second set of windings and to the DC output, the second converter being adapted to generate control voltages and/or control currents in the second set of windings, is provided. | 2015-10-29 |
20150311720 | POWER SUPPLY INCLUDING BI-DIRECTIONAL DC CONVERTER AND CONTROL METHOD THEREOF - A power supply including a bi-directional DC converter and a control method thereof are disclosed herein. The power supply includes first to third terminals, first and second semiconductor switches and a mode switching means. The first terminal is electrically coupled to an external power source. The second terminal is electrically coupled to a load. The third terminal is electrically coupled to a battery. The first and second semiconductor switches are electrically coupled in series between the first and second terminals. The mode switching means is electrically coupled to the first semiconductor switch, the second semiconductor switch and a bi-directional DC converter, respectively. The bi-directional DC converter is further electrically coupled to an intermediate node between the first semiconductor switch and the second semiconductor switch, and to the third terminal. The bi-directional power supply is operative to switch between a first operating mode in which the battery is charged and a second operating mode in which the battery supplies power to the load. In the power supply, the mode switching means operates the first and second semiconductor switches so that a single chip has both the function of charging and the function of supplying power. | 2015-10-29 |
20150311721 | REMOTE ACCESS, CONTROL, AND MANAGEMENT OF A POWER MICRO GRID - Systems, methods, and apparatuses are disclosed for remote access, and management of a power grid and their associated loads. At least certain embodiments are configured for provisioning and control of decentralized non-grid connected power sources and corresponding power loads, including DC from photovoltaics (“PVs”) and AC from inverters, to a variety of power loads such as various electrical motors, lights as well as residential or business appliances. Aspects of the techniques described herein further include automated monitoring of various sensors including sensors that measure power, voltage, current, temperature, and humidity of the power sources as well as notification triggers and alarms to a feature phone. Other aspects are further adapted to track and receive payment for electric power from consumers connected with the decentralized non-grid power sources. The control of the power sources and loads can be bi-directional and can be performed using a smartphone that interfaces with a microcontroller. | 2015-10-29 |
20150311722 | RESOURCE MANAGEMENT METHOD AND SYSTEM WITH CLUSTERING BASED ON ATTRIBUTES OF DISTRIBUTED ENERGY RESOURCES - Provided herein is an energy resource management method and system, the method including registering energy resources; clustering the registered energy resources, and generating a plurality of resource groups; granting priorities of the resource groups; and operating the resource groups according to the priorities, thereby reducing an operation load occurring in proportionate to a quantitative increase and complexity and diversity increase of the resources, enabling efficient and economical management of the distributed energy resources. | 2015-10-29 |
20150311723 | PARALLEL SERIES DC INDUCTIVE POWER TRANSFER SYSTEM - An inductive power transfer system for a device such as battery charger on an electric vehicle includes a primary circuit having a rectifier and an H bridge inverter connected in parallel with a reactor connected in series to deliver direct current voltage to a stationary primary coil of a transformer. The system further includes a secondary circuit on the vehicle including a secondary coil and another rectifier connected in series. AC voltage from a power supply is converted to DC voltage and then transformed into a pulse width modulated high frequency square wave voltage for electromagnetic transfer from the primary coil to the secondary coil. The square wave voltage is converted back to DC voltage for delivery to a vehicle charger. | 2015-10-29 |
20150311724 | AC INDUCTIVE POWER TRANSFER SYSTEM - An inductive power transfer system for device such as a battery charger on an electric vehicle includes a primary circuit having a rectifier and an H bridge inverter connected in parallel to deliver rectified AC voltage to a stationary primary coil of a transformer. The system further includes a secondary circuit on the vehicle including a secondary coil and another rectifier connected in series. AC voltage from a power supply is converted to rectified AC voltage and then transformed into a pulse width modulated high frequency square wave voltage for electromagnetic transfer from the primary coil to the secondary coil. The square wave voltage is converted back to AC voltage for delivery to a vehicle charger. | 2015-10-29 |
20150311725 | FOREIGN-OBJECT DETECTING DEVICE, WIRELESS ELECTRIC-POWER TRANSMITTING DEVICE, AND WIRELESS ELECTRIC-POWER TRANSMISSION SYSTEM - A foreign-object detecting device includes a first coil, a second coil arranged adjacent to the first coil and having the same winding direction as that of the first coil, and foreign-object detecting circuitry. The foreign-object detecting circuitry outputs a first detection signal to an outside or inside terminal of the first coil, outputs a second detection signal having an inverted phase to an outside or inside terminal of the second coil, causes one of the first and second detection signal to flow clockwise, causes the other detection signal to flow counterclockwise to generate a combined magnetic field across a center of the first and a center of the second coil, measures an amount of change in an impedance value of the first or second coils, and determines that a foreign object is present within the combined magnetic field, based on the amount of change. | 2015-10-29 |
20150311726 | METHOD AND SYSTEM FOR WIRELESS POWER SUPPLY - In a method and system for wireless power supply, the misalignment between the power transmission antenna and the power reception antenna is detected based on the electric power of an electromagnetic wave radiated from the position-detection power transmission antennas of the power transmission antenna, reflected by a reflector provided outside the power reception surface of the power reception antenna, and detected by the position-detection power reception antennas of the power transmission antenna. | 2015-10-29 |
20150311727 | Powered Shelf System for Inductively Powering Electrical Components of Consumer Product Packages - Certain aspects involve a powered shelf system that can inductively provide power to electrical components of consumer product packages. The powered shelf system can include a housing, a primary inductor, a controller, and a pusher system. The primary inductor can be coupled to or included in the housing. The controller can apply an electrical current to the primary inductor in accordance with a maximum power requirement for the powered shelf system. The applied electrical current can be sufficient to create a magnetic field from the primary inductor that has a minimum field strength at a specified distance from the primary inductor. The minimum field strength can be sufficient to induce a minimum current in a secondary inductor for powering an emitting device that is electrically coupled to the secondary inductor. The pusher system can position the secondary inductor at the distance from the primary inductor. | 2015-10-29 |
20150311728 | WIRELESS POWER TRASMITTING METHOD AND APPARATUS USING DUAL-LOOP IN-PHASE FEEDING - Provided are wireless power transmitting method and apparatus using dual-loop in-phase feeding. The wireless power transmitting apparatus includes a generator configured to generate a Radio Frequency (RF) signal, an amplifier configured to amplify the generated RF signal, a matching circuit configured to be connected to the amplifier to perform impedance matching, a first resonator configured to comprise a first feeding loop connected to the matching circuit and transmit wireless power using a signal provided through the first feeding loop, and a second resonator configured to comprise a second feeding loop connected to the matching circuit and transmit wireless power using a signal provided through the second feeding loop, wherein the first and second feeding loops are formed in a manner that allows magnetic fields respectively generated by the first and second resonators to be excited in the same direction and in phase. | 2015-10-29 |
20150311729 | CHARGING DEVICE - There is provided a charging device which can rapidly charge, with a single charger, portable devices of a plurality of charging specifications. | 2015-10-29 |
20150311730 | Charging Device - In a charging device, a terminal is configured to connect a rechargeable battery. A first power feeding unit is configured to charge the rechargeable battery connected to the terminal. A controller is configured to control the first power feeding unit. A second power feeding unit is configured to feed electrical power to the controller and a monitoring unit. The monitoring unit includes a monitoring portion and a switching element. The monitoring portion is configured to monitor at least one of the rechargeable battery, the first power feeding unit, and the controller. The switching element is configured to interrupt the second power feeding unit to feed the electrical power to the monitoring portion. | 2015-10-29 |