Abstract: A magnetic rotary power source which can provide rotary power without energy consumption is disclosed. The power source includes a housing with two parallel spindles. Each spindle is disposed with a gear. The two gears have the same diameter and engage with each other. Each gear is disposed with a permanent magnet. The two magnets are arranged in a specific angular relation, and outer ends of the magnets are the same pole to generate repulsion. When one of the gears is rotated to make the magnets approach, the two gears will automatically rotate by the repulsion between the magnets. The two gears will continuously rotate when they rotate one revolution to make the magnets approach again. Thus, the gears can go round and round repeatedly.

Abstract: A field structure of an electrical machine includes a plurality of field slots. Each field slot extends from a first surface of the field structure into the body of the field structure. Each filed slot also has a T-shaped cross-sectional area dimensioned to accommodate a magnet pole assembly comprising a corresponding cross-sectional area.

Abstract: The invention discloses a motor with axial air gap including a base, a rotor and a coil unit. The base has a shaft-coupling portion. The rotor has a body coupled with a permanent magnet and a shaft. The permanent magnet has inner and outer circumferential faces, wherein the inner and outer circumferential faces are respectively projected onto the base as inner and outer circles. The shaft is coupled with the shaft-coupling portion. The coil unit is mounted on the base and has one or more coils. The permanent magnet and the coil unit face each other. At least one coil has a periphery intersecting with the inner and outer circles. The permanent magnet has a first radial length between the inner and outer circumferential faces. At least one coil has a second radial length. The first radial length is 10% to 90% of the second radial length.

Abstract: A stir-welded rotor includes a stack of laminations, where each of the laminations defines a plurality of spaced-apart slots arrayed on an outer circumference. A conductor bar may be registered with each of the spaced-apart slots of the stack of laminations, with each conductor bar including a first metal portion and a second metal portion having substantially dissimilar compositions.

Abstract: Embodiments of the invention provide an electric machine module including a housing which can include a machine cavity. In some embodiments, an electric machine can be at least partially positioned within the machine cavity and can include a stator assembly. The stator assembly includes a stator core with slots. In some embodiments, conductors can be positioned in the slots and can include a first insulation. At least one insulation member can be disposed over at least a portion of the conductors. The insulation member can include a first element and a second element that can each comprise different constituent materials that include different properties.

Abstract: In a lamination core, a punched material strip is wound to provide layers of the core. The material strip comprises a plurality of semi-circle individual strip segments linked by hinge-like carrying webs between adjacent split lines at adjacent ends of the respective adjacent strip segments. Each strip segment has a plurality of teeth defining slots. A segment arc angle of the segment is not equally divisible into 360° and a slot arc angle of the slots is equally divisible into the segment arc angle, so that mated lines of one winding defined by respective adjacent split lines of adjacent are laterally offset with respect to mated lines defined by respective adjacent split lines of an adjacent winding.

Abstract: There is provided a stator assembly for a motor including: a base for a motor fabricated with a steel sheet; a core installation part installed on the base for a motor; and a stator core fixed to the core installation part, wherein the core installation part includes a guide portion guiding an insertion of the stator core and a mounting portion on which the stator core is mounted.

Abstract: An electric machine has a housing with an inner circumference; a stator which is inserted into the housing so that an outer circumference of the stator is located opposite the inner circumference of the housing, a clearance fit being formed between the inner circumference of the housing and the outer circumference of the stator; at least one fastening element, each fastening element connects the stator to the housing by positive engagement so that the stator is held at the housing so as to be fixed with respect to rotation relative to it; and a rotor which is rotatably mounted in the housing in a radial direction of the electric machine inwardly of the stator.

Abstract: One example is a betavoltaic cell that has been fabricated using a semiconductor that includes, but is not limited to, Silicon Carbide (SiC), Silicon (Si), Gallium Arsenide (GaAs), Indium Gallium Arsenide (InGaAs), Gallium Nitide (GaN), Gallium Phosphide (GaP), or Diamond, and uses through wafer via holes or other fabrication techniques to form both positive (+ve) and negative (?ve) contacts on the front and back sides of the cell. In another example, several of these cells with +ve and ?ve contacts on the front and back sides of the cell are arranged vertically and/or horizontally to form customized parallel and/or series combinations that produce a close packed, energy dense betavoltaic composite unit, with increased power outputs relative to a single cell. In another example, tritium or a metal tritide is used as the radioisotope source for the cells.

Abstract: Electrically conductive thin film metallizations having continuous operating temperatures of 300° C. and more are of considerable practical interest for a number of technical applications, such as surface wave elements. Technical reasons and high production costs are a bar to the use of standard films. In order to remedy this, films including a mixture of a high-melting conductive metal and aluminum oxides, wherein in particular aluminum-rich non-stoichiometric aluminum oxides are used. The aluminum oxides act as components thermally stabilizing the conductive metal film; an optional proportion of chemically available aluminum can additionally alloy with the conductive metal and thereby enables essential film properties, such as the electrical conductivity to be specifically influenced.

Abstract: A piezoelectric thin-film resonator includes: a lower electrode provided on a substrate; a piezoelectric film that is provided on the lower electrode and includes at least two layers; an upper electrode that is provided on the piezoelectric film and has a region sandwiching the piezoelectric film with the lower electrode and facing the lower electrode; and an insulating film that is provided in a region in which the lower electrode and the upper electrode face each other and between each of the at least two layers, wherein an upper face of the insulating film is flatter than a lower face of the insulating film.

Abstract: An ultrasonic motor includes a vibrator having a contact surface that is brought into contact with a member to be driven, and a piezoelectric element fixed thereto, the vibrator configured to drive the member to be driven by ultrasonic vibration excited by the piezoelectric element; and a pressurization unit supported by a fixing unit to apply a bias force to the vibrator so as to impress the contact surface against the member to be driven. The pressurization unit includes a pressurization member held by the fixing unit so as to move in a direction perpendicular to the contact surface while being restricted to move in a direction parallel to the contact surface; and an elastic member that applies an impressing force in the direction perpendicular to the contact surface to the vibrator via the pressurization member.

Abstract: A piezoelectric device includes a piezoelectric vibrating piece with a pair of excitation electrodes, a base plate, and a non-conductive bonding material. The base includes a pair of castellations that are hollowed into a side face from the mounting surface to the bonding surface. The pair of castellations include a first surface and a second surface. The first surface extends outward from the mounting surface toward the bonding surface side. The second surface extends outward from the bonding surface toward the mounting surface side. The second surface has a smaller area than an area of the first surface. A wiring electrode is disposed on the first surface, the second surface, and a side face of the bonding material. The wiring electrode is of a same electrode layer as the external electrode. The wiring electrode extends from the external electrode to the extraction electrodes.

Abstract: In a monolithic ceramic electronic component, given that an interval between outer-layer dummy conductors adjacent to each other in an outer layer portion is d1, and that an interval between first and second inner electrodes adjacent to each other in an inner layer portion is d2, 1.7d2?d1 is satisfied. By reducing a density of the outer-layer dummy conductors in the outer layer portion on that condition, pressing of the inner electrodes through the outer-layer dummy conductors is relieved in a pressing step before firing. As a result, a distance between the inner electrodes can be prevented from being locally shortened. It is hence possible to effectively reduce and prevent degradation of reliability of the monolithic ceramic electronic component, e.g., a reduction of BDV.

Abstract: A piezoelectric component includes at least one planned fracture layer for generating and guiding cracks in the component in a controlled manner. The planned fracture layer is disposed between two electrode layers adjacent to each other in the direction of the stack. The distance d2 of the two electrode layers is greater than the distance d1 of two adjacent electrode layers between which no planned fracture layer is provided.

Abstract: An electrical condenser is disclosed for an automotive ignition system wherein the ignition system has first and second contact breaker points and first and second electrically conductive members electrically connected to the first and second contact breaker points, respectively, the first and second electrically conductive members having first and second faces, respectively, facing each other but not directly electrically connected to each other. The condenser comprises an attachment portion arranged to be interposed between the first and second faces of the electrically conductive members of the ignition system. The attachment portion has first and second oppositely facing electrically conductive faces for making electrical contact with the first and second faces, respectively, of the electrically conductive members of the ignition system.

Abstract: A casing structure and a locking mechanism thereof for portable electronic apparatus are disclosed. The casing structure includes an apparatus casing, an electronic device casing, and a door. The electronic device casing is engaged to the apparatus casing in a detachable way. The door is engaged to the apparatus casing in an open-able way to cover an open of the apparatus casing. The locking mechanism is mainly disposed on the apparatus casing and can be operative to lock or unlock the electronic device casing and the door simultaneously. Thereby, a user can quickly detach the electronic device casing and open the door to maintain or replace components in the apparatus casing, which avoids the complicated operation of opening the casing in the prior art.

Abstract: A casing shell for electrical measuring, control or communication devices, in particular the casing module of a cell phone, has a high bending and torsional stiffness despite extremely low wall strength with a completely flat outside surface, since the flat blank of a fiber-reinforced matting in an injection mold is back-injected along the matting edge area in striplike form with a preferably also fiber-reinforced frame, including molded functional elements and preferably comprising the cut edges of the matting in an L-shape.

Abstract: The invention relates to a cooling device, in particular for a control cabinet, having a housing which comprises an opening into which a fan assembly having a support and a fan can be inserted, wherein the support can be detachably connected to the housing. With such a cooling device, easy installation or removal of the fan assembly is achieved in that the support is pivotally connected to the housing via a hinge assembly having hinge pins and a pivoted receptacle, and in that the support can be pivoted between an installation position and a parking position.

Abstract: A domestic appliance, such as a refrigerator, is configured to be fitted into a furniture body. The furniture body includes a front furniture panel disposed on a front face of a domestic appliance door and includes a pivot joint. The front furniture panel is connected to the front face of the domestic appliance door. A damping device is located between and operatively connected to the domestic appliance door and the front furniture panel. The domestic appliance door is configured as a sliding door which moves relative to the front furniture panel during an opening and closing movement of the domestic appliance door and the front furniture panel.

Abstract: A sliding mechanism includes a first frame provided with a rail having a sliding direction that changes; a second frame that slides along the rail; a link that is mounted on the rail and the second frame and rotates to change a tilt angle of the first frame with respect to the second frame; a first stopper that regulates the rotation of the link; and a second stopper that regulates the rotation of the link from a direction different from that of the first stopper.

Abstract: The invention is a portable food preparation cabinet, and related processes. The cabinet has a lid, which can be used for food preparation and may be covered with a removable surface. The walls, lid, and bottom enclose a chamber, which can be used to hold food storage containers, food, or food preparation equipment. The lid can be closed for food preparation, or opened to provide access to the chamber. A side of the cabinet may have a coupler, to mate with a corresponding coupler on a food storage container to hold the food storage container in place when the unit is being used for food preparation. Food can be scraped from the lid into a coupled storage container. A sluice in the lid to funnel liquids may be provided. A cabinet may be small and light enough to be taken on a picnic or camping trip.

Abstract: A refrigerator includes a cabinet having at least one storage chamber, upper and lower hinges disposed at the cabinet, an inner door coupled to the upper and lower hinges to selectively open or close the storage chamber, an outer door disposed at the front of the inner door to selectively open or close an inner space of the inner door, a basket installation unit mounted onto an inner wall of the inner door, an inner door cover able to be inwardly open or closed based on a longitudinal rotational shaft disposed at the basket installation unit, a latch device to fix the inner door cover to the basket installation unit, and an opening member disposed at one side of the basket installation unit to rotate the inner door cover when the latch device is released.

Abstract: In various embodiments, reduced phosphor utilization and improved off-state appearance are facilitated in an illumination apparatus via incorporation of segmented phosphor and/or reflector layers.

Abstract: In a heat dissipation device provided with a heat dissipation section that dissipates heat emitted from a transformer provided on a power-source board, the transformer is provided on an edge portion of the power-source board, and a heat conductor is inserted between the heat dissipation section and the transformer. Since the transformer is provided on the edge portion of the power-source board, the heat dissipation section and the transformer are located closer to each other.

Abstract: A lighting apparatus includes a light source module, a power supply circuit section supplying power to the light source module, a heat radiating section accommodating the power supply circuit section inside and radiating the heat generated in the power supply circuit section, a base connected to an external power supply, and an insulating ring provided between the heat radiating section and the base and making electrical insulation. With regard to the lighting apparatus, the insulating ring is a thermal conductor. Since the insulating ring functions as the thermal conductor, the heat generated in the power supply circuit section is transferred to the heat radiating section and the base via the insulating ring so that the heat is radiated to outside from the heat radiating section and the base.

Abstract: A phosphor composition and a white light emitting device using the same are disclosed. The white light emitting device includes a blue light emitting diode and a phosphor composition disposed on the blue light emitting diode, wherein the phosphor composition includes a yellow lanthanum silicon nitride, a yellow ?-SiAlON and a red CaAlSiN, and the weight proportion of the yellow lanthanum silicon nitride, the yellow ?-SiAlON and the red CaAlSiN is 1:1:0.3˜0.45.

Abstract: A wavelength conversion structure comprises a phosphor layer comprising a first part and a second part formed on the first part, wherein the first part and the second part have a plurality of pores, a first material layer formed in the plurality of pores of the first part, a second material layer formed in the plurality of pores of the second part and a plurality of phosphor particles, wherein the plurality of phosphor particles is distributed in the first material layer and the second material layer.

Abstract: There is provided a method for producing a light emitting device having a small light emitting area and showing high light extraction efficiency. An uncured resin 13? is dropped on either one or both of a light emitting element 11 and a tabular member 14 in such an amount that the resin is maintained on them by surface tension, the light emitting element 11 and the tabular member 14 are piled up with the uncured resin 13? maintained between them and on a side of the light emitting element by surface tension of the uncured resin 13? to form an uncured resin layer 13? having an inclined side 130, and then the resin layer 13 is cured. The tabular member is constituted with a material having an alkali metal oxide content of 0.2% by weight or lower.

Abstract: A solid state light engine includes a bridge rectifier having a rectified output. At least one light emitting diode (LED) is connected to the bridge rectifier, the at least one LED including a die portion, a layer of phosphor free resin positioned upon the die portion, and a plurality of phosphor particles adhered to the layer of phosphor free resin. A pair of AC power input terminals are electrically connected to the input of the bridge rectifier for use in coupling the bridge rectifier to an AC power source. A pair of DC power input terminals are connected to the rectified output of the bridge rectifier for use in coupling the bridge rectifier to a circuit productive of a DC voltage at the pair of DC power terminals. The layer of phosphor free resin includes a polymeric resin.

Abstract: Organometallic compounds and organic electroluminescence devices employing the same are provided. The organic compound has a chemical structure as represented below: wherein, A1 is diisopropyl carbodiimide ligand, 5-(2-pyridyl)-1,2,4-triazole ligand, acetylacetone with phenyl group ligand, 2-phenyl-1,3,4-oxadiazole ligand, or derivatives thereof. The organometallic compound of the disclosure can be applied in an organic electroluminescent device for enhancing the electroluminescent efficiency thereof.

Abstract: Organometallic compounds and organic electroluminescence devices employing the same are provided. The organometallic compound has a chemical structure represented below: wherein, X is C—H or N, Y is CH2 or NH; R1 is H, or C1-8 alkyl; and A1 is acetylacetone ligand, acetylacetone with phenyl group ligand, or derivatives thereof.

Abstract: The problem to be solved of the present invention is to improve luminance level of a polymer light-emitting device even when it is driven at a low voltage. Means for solving the problem is a polymer light-emitting device comprising a cathode, an anode, and a functional layer containing a polymer compound and a light-emitting layer containing an organic polymer light-emitting compound arranged between the cathode and the anode, wherein the cathode comprises a first electrode layer and a second electrode layer in this order from the light-emitting layer side, the first electrode layer comprises a first material and a second material, the first material comprises a material which contains one or more compounds selected from the group consisting of sodium fluoride, potassium fluoride, cesium fluoride, rubidium fluoride and a carbonate of an alkaline earth metal, and the second material comprises a substance which has a reduction action on the first material.

Abstract: A material for organic electroluminescence element, including: a phosphorescent compound; and a discotic liquid-crystalline host compound, wherein the phosphorescent compound has an aspect ratio of molecule core diameter to molecule core thickness (molecule core diameter/molecule core thickness) of at least 3, and wherein a size ratio of the molecular radius of the phosphorescent compound to the molecular radius of the discotic liquid-crystalline host compound (molecular radius of the phosphorescent compound/molecular radius of the discotic liquid-crystalline host compound) is 0.8 to 1.2.

Abstract: The present invention relates to an electron multiplier and others to effectively suppress luminescence noise, even in compact size, in which each of multistage dynodes has a plurality of columns each having a peripheral surface separated physically, and in which each column is processed in such a shape that an area or a peripheral length of a section parallel to an installation surface on which the electron multiplier is arranged becomes minimum at a certain position on the peripheral surface in the column of interest.

Abstract: The present disclosure relates generally to a light emitting diode (LED) luminaire. In one embodiment, the LED luminaire includes a base, a heat sink coupled to the base, a power supply coupled to an interior volume of the heat sink, one or more LEDs coupled to the power supply, wherein the one or more LEDs are coupled to a circuit configured to provide a constant input impedance and a lens coupled to the heat sink and enclosing the one or more LEDs.

Abstract: An electronic ballast for lighting applications is disclosed. The electronic ballast comprises a first charge pump having an input capacitor (13) charged with a supply current drawn from a power source by application of a charging voltage to the input capacitor (13), the magnitude of the supply current being proportional to the magnitude of the charging voltage; and a voltage booster (16, 17) for generating a boost voltage, which is used to augment the charging voltage, thereby increasing the current drawn from the power source.

Abstract: This invention reveals an indoor network connection device. This device is combined by indoor light source and master node module, which can effectively decrease the cost of setting up indoor web facilities and make ideal of smart architecture come true. In addition, setting up these web connecting devices can easily let other web users in and even to become micro-network achieving the goal of sharing resource.

Abstract: A light-emitting diode (LED) bulb has an LED within a shell. The LED bulb includes a driver circuit for providing current to the LED. The drive circuit has a thermal protection circuit, which includes a first positive thermal coefficient thermistor with a first switching temperature connected in series with a second positive thermal coefficient thermistor with a second switching temperature. The driver circuit includes a switch-mode power supply (SMPS) controller with an input pin and an output pin. The thermistors are connected to the input pin. When either thermistor temperature is above the respective switching temperatures, the thermal protection circuit causes the SMPS controller to produce a signal with a second duty cycle on the output pin. When both thermistor temperatures are below the respective switching temperatures, the thermal protection circuit causes the SMPS controller to produce a signal with a first duty cycle on the output pin.

Abstract: A lamp includes a lighting module providing illumination, a control unit, and a detecting unit. The control unit is connected or not connected to the lighting module. The detecting unit is coupled to the control unit. The detecting unit detects operational statuses of the lighting module and sends a detection result to the control unit. The control unit controls the lighting module or an alarm unit to enter an alarm mode based on the detection result. A user can immediately know the operational statuses by the alarm unit and take necessary actions to assure normal operation of the lamp.

Abstract: An electronic circuit for use with a lamp controller includes a driver component and a voltage interface circuit powered by the driver component. The interface component delivers a low voltage power signal at a defined operating range via output lines to a downstream controller. A protection circuit is coupled with the voltage interface circuit. The protection circuit in one embodiment has an under-voltage switch disposed in one of the output lines and configured to open at a voltage less than the defined voltage range, and a blocking device disposed in the other output line and configured to block reverse power flow at a voltage above the defined voltage range.

Abstract: Disclosed is an end-of-life detector for gas discharge lamp and the ballast incorporating the same. The end-of-life detector includes a lamp state signal detecting circuit for detecting the lamp state signal of at least one first gas discharge lamp and generating a positive voltage signal and a negative voltage signal accordingly; a comparing circuit for comparing the positive voltage signal with a positive selecting voltage and comparing the negative voltage signal with a negative selecting voltage, and in response thereto generating a positive control signal and a negative control signal; and a positive/negative duty time interval detecting circuit for generating a lamp life state signal which is generated by a difference between a positive duty time interval and a negative duty time interval. The lamp life state signal is varied along with the difference between the positive duty time interval and the negative duty time interval.

Abstract: A controller for controlling a plurality of lighting devices configured for wireless communications in a facility includes a data communications interface communicating with at least one of the devices. The controller further includes a control module configured to provide a control signal to the data communications interface for communicating to a transceiver associated with the device and for turning off the device according to an algorithm wherein the control signal is provided based on a time of day and/or a sensed condition relating to use of the facility. The transceiver reports device data to the control module to quantify a reduction in power obtained by controlling the devices according to the algorithm.

Abstract: Disclosure has power controllers and control methods used therein. A disclosed power controller is adapted for a power converter to power at least one light emitting diode. The power converter includes a power switch with a control gate to make an inductive energized or de-energized. The power converter receives a dimming signal to substantially control the lighting of the light emitting diode. The power controller has a gate-driving circuit, for driving the control gate according to a pulse-width signal and the dimming signal. When the dimming signal is asserted the gate-driving circuit has a first driving force. When the dimming signal is deasserted the gate-driving circuit has a second driving force less than the first driving force.

Abstract: Embodiments may provide an extendable light source with a variable light emitting area. A first device is provided that includes a support, a first substrate movably coupled to the support, and a plurality of lighting devices disposed on the first substrate. The plurality of lighting devices includes a first portion of lighting devices and a second portion of lighting devices. The first device also includes an energizing component that is configured to selectively energize the first portion and the second portion of lighting devices based on a position of the first substrate relative to the support.

Abstract: Provided is a light-emitting device that aims not to affect a service life and characteristics of light emission by releasing heat from a substrate on that a plurality of LED elements mounted, and the LED elements generate the heat. A light-emitting device includes: a first electrode and a second electrode formed on the upper surface of a substrate with a gap between the first electrode and the second electrode, the gap being provided at a central portion of the upper surface of the substrate; at least one first light-emitting diode element mounted on the first electrode; and at least one second light-emitting diode element mounted on the second electrode. The first light-emitting diode element includes a pair of element electrodes on an upper surface of the first light-emitting diode element and the second light-emitting diode element includes a pair of element electrodes on an upper surface of the second light-emitting diode element.

Abstract: The invention provides a wireless means of power monitoring and control of lighting fixtures. The device consists of five sections; line voltage AC to DC convertor and DC power circuit, voltage sensing circuit, current sensing circuit, relay circuit, and wireless microcontroller (“WUC”). Power input to the device is made via a multi-pronged connector (“MPC”). The AC to DC convertor reduces voltage to an acceptable level for the DC voltage circuit to power the circuitry on the printed circuit boards. A logic-controlled relay circuit provides on/off control of the light fixture outputting to the “Load” terminal of the MPC. Line voltage from the MPC enter current and voltage sensing circuits, continues through signal shaping circuits, and is provided to the WUC for processing. The two input signals are scaled and computed to provide power consumption values which are then transmitted wirelessly to a building automation control network.

Abstract: A technique for lowering power loss involved in supply of high-frequency electric power to an ignition plug. The ignition plug includes a tubular insulator having an axial bore extending therethrough; a center electrode disposed in the axial bore; a metal terminal disposed rearward of the center electrode in the axial bore, electrically connected to the center electrode, and supplied with high-frequency electric power from an external source; a metallic shell disposed to circumferentially surround the insulator; and a ground electrode electrically connected to the metallic shell and adapted to generate plasma in cooperation with the center electrode through supply of high-frequency electric power to the metal terminal. At least a portion of the inner surface of the axial bore is coated with metal coating. The center electrode and the metal terminal are in electrical contact with the metal coating.

Abstract: The present invention relates to a dimming control device, an LED driving device, and a dimming control method. In accordance with an embodiment of the present invention, a dimming control device including: a PWM signal generating unit for generating a PWM signal from a reference signal and an input voltage; a signal compensating unit for compensating the PWM signal output from the PWM signal generating unit using an internal clock signal; and a synchronization unit for synchronizing the compensated signal with an external clock signal to output a synchronized PWM control signal for dimming control is proposed. Further, an LED driving device and a dimming control method are proposed.

Abstract: The present invention, according to a preferred embodiment, is directed to portable electronic devices which operate on exhaustible power sources, for example, batteries. The electronic devices of the present invention comprise at least one signal switch and a microchip in communication with the switch wherein the switch is only capable of transmitting a signal to the microchip that the switch has been activated or deactivated. The microchip is in communication with the exhaustible power source of the electronic device and controls (i) the power on/off function of the device, (ii) at least one other function of the device in response to activation and deactivation signals from the switch, and (iii) an automatic shut off function in response to the receipt of an activation signal from the switch.