| 11th week of 2012 patent applcation highlights part 19 |
| Patent application number | Title | Published |
|---|
| 20120062053 | ROTOR FOR A SYNCHRONOUS RELUCTANCE MACHINE - A rotor for a synchronous reluctance machine wherein a torque ripple behaviour of the machine is optimized by altering the geometry of insulating barriers of the rotor. A q-axis pitch angle is used as a design variable instead of setting its value equal to the rest of the rotor slot pitches or binding its value to the stator slot pitch. The resulting rotor has a non-regular slot pitch across the q-axis and substantially regular slot pitch otherwise. Synchronous reluctance machines that employ rotor discs and rotor assemblies in accordance with the present invention may exhibit low torque ripple without sacrificing high torque values. | 2012-03-15 |
| 20120062054 | PERMANENT MAGNET ROTOR FOR ELECTRIC MACHINE - A permanent magnet rotor assembly for an electric machine includes a rotor core including one or more axially-extending openings and one or more permanent magnets located in the one or more axially-extending openings defining one or more gaps between the one or more permanent magnets and the one or more axially-extending openings. One or more thermally-conductive bars are located in the one or more gaps to transfer thermal energy from an interior of the rotor assembly toward an axial end of the rotor assembly. | 2012-03-15 |
| 20120062055 | COOLING STRUCTURE FOR ROTATING ELECTRIC MACHINE - A cooling structure for a rotating electric machine, having a coolant supply portion, and configured to supply a coolant to a coil end portion of a stator. A protrusion portion is provided on a portion of a coil end facing area, and projects toward the coil end portion side and extends downward and toward a radially inner side of the coil end portion, wherein the coil end facing area is a section that faces the coil end portion on an inner wall surface of a case that accommodates the stator. A collection portion collects the coolant distributed along the protrusion portion. A drip portion is disposed on the radially inner side of the coil end portion at a position that axially overlaps with the coil end portion as viewed from the radial direction, wherein the coolant collected in the collection portion drips from the drip portion. | 2012-03-15 |
| 20120062056 | ELECTRIC MACHINE INCLUDING A STATOR HAVING A STATOR SLEEVE AND METHOD OF COOLING A STATOR - An electric machine including a housing, and a stator mounted relative to the housing. The stator includes a body including a first end portion that extends to a second end portion and a plurality of stator windings that extend between the first and second end portions. A sleeve member is mounted to the stator and covers a portion of the stator windings at one of the first and second end portions. The sleeve member is configured and disposed to guide a coolant over the portion of the stator windings to remove heat from the stator. | 2012-03-15 |
| 20120062057 | TRACTION MOTOR - According to one embodiment, a traction motor includes a stator core, a rotor core, a first bearing, a second bearing, a rotor shaft, a first ventilation passage made at an outer circumference portion of the stator core, a first fan, and a second ventilation passage to introduce external air. And, in the motor, a first minute gap is provided between an end portion of a first fan main plate and an inner circumference portion of the first bracket, cooling wind is discharged to the motor outside via the second ventilation passage, an outer circumference portion of the first fan, a ventilation portion in the first bracket and the first ventilation passage, and the second ventilation passage is made so that the cooling wind entered from the first air intake port flows around the rotor shaft portion between the first ventilation fan and the first bearing. | 2012-03-15 |
| 20120062058 | Shaft-less Energy Storage Flywheel - Embodiments of the present invention include a shaft-less energy storage flywheel system. The shaft-less energy storage flywheel system includes a solid cylindrical flywheel having permanent motor magnets mounted about the flywheel. The shaft-less energy storage flywheel system also includes a motor stator having motor windings carrying electrical currents. The motor windings of the motor stator are aligned with the permanent motor magnets of the flywheel such that rotation of the flywheel is induced through interaction of the motor winding currents and the magnetic field of the permanent motor magnets. The flywheel provides a magnetic flux path for the permanent motor magnets. In certain embodiments, the shaft-less energy storage flywheel system includes a magnetic bearing assembly disposed directly adjacent an axial face of the flywheel. The magnetic bearing assembly controls positioning and alignment of the flywheel without physically contacting the flywheel during normal operation. | 2012-03-15 |
| 20120062059 | Angular momentum engine - This invention Angular Momentum Engine turns angular centripetal momentum to linear centripetal momentum. | 2012-03-15 |
| 20120062060 | MAGNETIC FAN DEVICE - A magnetic fan device includes a stator, at least three bearings fixed on the stator, a rotor fixedly connected to the stator, a motor, and at least three magnetic posts. The at least three bearings are permanent magnets. The rotor includes a shaft and a plurality of impellers rotatably connected to the shaft. The at least three magnetic posts with an opening at its lateral surface are configured for respectively receiving the at least three bearings by the opening. A first magnet is adhered to ends of the at least three magnetic posts, and a second magnet is adhered to opposite ends of the at least three magnetic posts. The magnetic pole of the first magnet adjacent to ends of the at least three bearings is opposite to the magnetic pole of the second magnet adjacent opposite ends of the at least three bearings. | 2012-03-15 |
| 20120062061 | METHOD AND APPARATUS FOR ELEVATING AND MANIPULATING OBJECTS USING ELECTROMAGNETIC FIELDS ONLY - An enclosure to enclose the vertical electromagnetic repulsive elevation and manipulation of electromagnets is presented. The enclosure is capable of elevating the electromagnet to various heights and additionally horizontally repelling the elevated electromagnet from one elevated position to the next. The heights of the elevated electromagnet may vary depending on the voltage of the base electromagnets, the polarities of the electromagnets and the desired height of the elevated electromagnet. | 2012-03-15 |
| 20120062062 | STATOR FOR A ROTATING ELECTRICAL MACHINE - A stator for a rotating electrical machine, includes a housing including an outer casing and two end plates, a lantern ring made of a stack of magnetic plates supported by a frame made of flanges connected by bars; wherein the housing includes intermediate plates that are semicircular in shape and which form a cradle that is capable of supporting the lantern ring, the flanges are semicircular in shape and adapted so as to match the semicircular shape of the intermediate plates of the housing, when the lantern ring is placed inside the housing, the flanges including an upper part that has two vertical parallel edges that can be rigidly attached to the outer casing of the housing. | 2012-03-15 |
| 20120062063 | MOTOR MAGNETIC POLE ASSEMBLY AND MOTOR MANUFACTURING METHOD USING THE SAME - A motor magnetic pole assembly includes a coil body, an H shape base, and two conductive portions. The coil body has a central shaft in a center and connection ends at two ends respectively. The H shape base includes a column and a first plate body, the coil body surrounds the column, and the central shaft is parallel with the column. The two conductive portions are respectively arranged on a surface of the first plate body and are spaced by a distance, and the two connection ends are electrically connected to the two conductive portions respectively. Therefore, the motor magnetic pole assembly may be precisely and quickly placed on a circuit board through an automation process, thereby increasing a processing speed of a production line. | 2012-03-15 |
| 20120062064 | ELECTRIC ROTATING MACHINE - An electric rotating machine includes a multi-phase stator coil that is wound on a stator core in a distributed winding manner. Each of phase windings of the stator coil is formed of an electric wire bundle which includes a plurality of insulation-coated electric wires that are electrically connected to one another. Each of the electric wire bundles forming the phase windings has in-slot portions, which are respectively received in corresponding slots of the stator core, and turn portions that are located outside the slots of the stator core to connect adjacent pairs of the in-slot portions. Each of the electric wire bundles further includes a plurality of insulating layers that are respectively formed at predetermined positions, at which the turn portions of the electric wire bundle overlap those of the other electric wire bundles, so as to surround the electric wires of the electric wire bundle. | 2012-03-15 |
| 20120062065 | STATOR OF VEHICLE AC GENERATOR AND METHOD FOR MANUFACTURING THE SAME - In a vehicle AC generator, a stator core ( | 2012-03-15 |
| 20120062066 | SILICON STEEL ASSEMBLY AND ASSEMBLING METHOD THEREOF - A silicon steel assembly includes a first cover, a second cover, plural tooth members and an outer ring. The second cover has plural recesses. The tooth members are accommodated within respective recesses of the second cover. The first cover, the tooth members and the second cover are combined together to form a combination structure. The outer ring is sheathed around an outer periphery of the combination structure. | 2012-03-15 |
| 20120062067 | SHEET PLATE FOR DC MOTOR - Disclosed is a sheet plate for a DC motor, in which a brush holder manufactured as a separate member is coupled to the sheet plate of the DC motor, thus effectively guiding movement of a brush and a pigtail, and affording good space utilization, the sheet plate including a brush holder taking a shape of a rectangular pillar to hold the brush and coupled to a first surface of the sheet plate, wherein the brush holder includes an opening formed in an upper surface of the brush holder in a longitudinal direction thereof to allow a pigtail to be taken out through the opening, and a cover portion provided above the opening to be spaced apart therefrom and formed as a plate that is long in a diametric direction, so that the pigtail is bent in a circumferential direction by the cover portion when being taken out. | 2012-03-15 |
| 20120062068 | MULTI-MODE BULK-ACOUSTIC-WAVE RESONATORS - The various embodiments of the present disclosure relate generally bulk-acoustic-wave resonators. An exemplary embodiment of the present invention provides a bulk-acoustic-wave resonator comprising an acoustic reflector, a substantially c-axis oriented hexagonal crystal structure, and a plurality of electrodes. The crystal structure is solidly-mounted to the acoustic reflector. The bulk-wave resonator resonates in at least two non-harmonically-related operational modes. | 2012-03-15 |
| 20120062069 | SURFACE ACOUSTIC WAVE DEVICE, ELECTRONIC APPARATUS, AND SENSOR APPARATUS - A SAW device has an IDT which is provided on the principal surface of a quartz crystal substrate having Euler angles (−1.5°≦φ≦1.5°, 117°≦θ≦142°, 42.79≦|ψ|≦49.57°) and excites a SAW in a stopband upper end mode, and a pair of reflectors which are arranged on both sides of the IDT. Inter-electrode-finger grooves are recessed between the electrode fingers of the IDT, and inter-conductor-strip grooves are recessed between the conductor strips of the reflectors. A first direction (X′ axis) perpendicular to the electrode fingers and the conductor strips intersects the electrical axis (X axis) of the quartz crystal substrate at an angle ψ. At least a part of the IDT and the reflectors are arranged in a second direction intersecting the first direction at an angle α of 1.0°≦α≦2.75°. An excellent frequency-temperature characteristic and a high Q value in an operation temperature range are realized simultaneously. | 2012-03-15 |
| 20120062070 | SURFACE ACOUSTIC WAVE DEVICE, ELECTRONIC APPARATUS, AND SENSOR APPARATUS - A SAW device has an IDT which is provided on the principal surface of a quartz crystal sustrate having Euler angles (−1.5°≦φ≦1.5°, 117°≦θ≦42°, ψ) and excites a SAW in a stopband upper end mode. Inter-electrode-finger grooves | 2012-03-15 |
| 20120062071 | PIEZOELECTRIC/ELECTROSTRICTIVE ACTUATOR - A piezoelectric/electrostrictive actuator, including a piezoelectric/electrostrictive element that includes at least one laminate including one piezoelectric/electrostrictive layer and one pair of electrodes disposed respectively on both sides of said piezoelectric/electrostrictive layer and has a moving part corresponding to a portion where said piezoelectric/electrostrictive layer is sandwiched by one pair of said electrodes and a non-moving part corresponding to a portion where said piezoelectric/electrostrictive layer is not sandwiched by one pair of said electrodes, and a moisture proof membrane disposed to cover at least the proximity of the boundary between said moving part and said non-moving part and consisting of silicone-based organic insulation material with storage elastic modulus of 100 kPa or less obtained by dynamic viscoelastic measurement using a parallel cone with diameter of 25 mm under a condition with strain of 0.1%, frequency of 1 Hz, gap of 0.5 mm and temperature of 22° C. | 2012-03-15 |
| 20120062072 | Method of fabricating crystal unit, crystal unit fabrication mask, and crystal unit package - A method of fabricating a crystal unit fills an adhesive from a first opening in a front surface of a mask of each of penetration holes in the mask in a state in which the mask is set on a base, into each penetration hole, and heats, by a heating element, a sidewall region defining a second opening in a back surface of the mask, in order to cure a sidewall part of the adhesive in the sidewall region defining each penetration hole in contact with the adhesive filling each penetration hole. A crystal blank is bonded on the base using the adhesive in order to form the crystal unit, after removing the mask from the base. | 2012-03-15 |
| 20120062073 | LIQUID EJECTING HEAD, LIQUID EJECTING APPARATUS, AND ACTUATOR DEVICE - A liquid ejecting head including a pressure-generating chamber which communicates with a nozzle opening, and a piezoelectric element including a first electrode, a piezoelectric layer formed above the first electrode and having a perovskite structure represented by the general formula ABO | 2012-03-15 |
| 20120062074 | PIEZOELECTRIC ELEMENT, PIEZOELECTRIC ACTUATOR, LIQUID EJECTING HEAD, AND LIQUID EJECTING APPARATUS - A piezoelectric element includes a first electrode, a first multilayer composite disposed on the first electrode, a second multilayer composite disposed on the first electrode with a distance from the first multilayer composite, and a covering layer covering the side surfaces of the first and second multilayer composites and the surface of the first electrode between the first multilayer composite and the second multilayer composite. The first and second multilayer composites each include a piezoelectric layer and a second electrode over the piezoelectric layer. The first electrode contains a metal that can react with chlorine, and has at least one of a bump and a dip at the surface thereof between the first multilayer composite and the second multilayer composite. | 2012-03-15 |
| 20120062075 | Piezoelectric Component - A piezoelectric component includes a stack of piezoelectric layers arranged one on top of the other and first and second electrode layers arranged therebetween. The stack includes at least one first piezoelectric layer having a first electrical coercive force and directly adjacent thereto at least one second piezoelectric layer having a second electrical coercive force different from the first coercive force. | 2012-03-15 |
| 20120062076 | Motor - According to one embodiment, a motor has a cylindrical stator core and rotor. A first framework is fixed to a side of the stator core in an axial direction, and a first bearing housing is fixed to the outside of the first framework. A second framework is fixed to the other side of the stator core. A second bearing housing is fixed to the outside of the second framework. The rotor has a rotational shaft, supported by the bearings, extending into the frameworks. A rotor core is attached to the shaft. Support bases are fixed to the rotor, and are interposed by the rotor core. A locking member coupled to the first framework is configured to contact the first support base. A locking member coupled to the second framework is configured to contact the second support base. The rotor is fixed by the locking members contact with the support bases. | 2012-03-15 |
| 20120062077 | DRIVE DEVICE FOR HYBRID VEHICLE AND CASE FOR THE SAME - A drive device for a hybrid vehicle includes an input shaft, a motor having a rotor and a stator, an output shaft integrally and coaxially connected to the rotor along a rotation axis and configured so as to be engaged with and disengaged from the input shaft, a rotation angle sensor including a rotating portion and a fixed portion, which forms an angle relative to the rotating portion, and detecting a rotation angle of the rotor, and a case rotatably and axially supporting the input shaft and the output shaft on the rotation axis and accommodating the motor and the rotation angle sensor, wherein a side wall portion of the case includes an angle adjusting member coaxially supporting the fixed portion relative to the rotation axis while allowing the angle of the fixed portion to be adjustable, and a clamp member supporting a harness movably connected to the fixed portion. | 2012-03-15 |
| 20120062078 | PERMANENT MAGNET MOTOR AND WASHING MACHINE PROVIDED THEREWITH - A permanent magnet motor includes a rotor including a rotor core formed with circumferentially arranged magnet insertion holes and permanent magnets inserted into the respective magnet insertion holes, the magnets establishing in the magnet insertion holes magnetic poles corresponding to magnetic pole teeth of a stator. The magnets include a plurality of types of permanent magnets having different coercive forces and are inserted into the insertion holes respectively so that each pole corresponds to one of the types of magnets. The rotor core has a part located between the magnets adjacent to each other and having different coercive forces. The rotor core has a magnetic flux path defined in the part so as to protrude to the stator side. The magnetic sensor is configured to be relatively moved along a trajectory corresponding to the magnets and the flux path with rotation of the rotor. | 2012-03-15 |
| 20120062079 | Rotor for Motor - A rotor for a motor includes a hub having a through-hole. A shaft extends through the through-hole and includes an outer periphery having a reduced section, wherein the reduced section has two end walls in an axial direction of the motor. The engaging member includes a hole through which the shaft extends. The engaging member is tightly engaged with the reduced section while tightly pressing against the two end walls of the reduced section. The engaging member is a resilient, continuous annular member free of grooves and notches. When the rotor is mounted in a motor, axial vibration of the hub relative to the shaft is reduced, and leakage of lubricating oil in the bearings of the motor is prevented. | 2012-03-15 |
| 20120062080 | DOOR SYSTEM FOR REFRIGERATED DISPLAY CABINETS - A mullion-less door system for refrigerated display cabinets, chillers, cold rooms or freezers, incorporates offset seal members on the respective vertical stiles of adjacent doors, to form a labyrinth seal or gasket between the doors, while still allowing free operation of each, and without requiring indirect sealing via door mullions of the cabinet body or frame. Secondary seal members, incorporating magnetic gaskets, seal the top and bottom rails of the peripheral door frames, supporting transparent door panes, to the adjacent cabinet body or frame portions. Lighting assemblies may be incorporated in the vertical stiles to illuminate the contents of the cabinets; and the hinge assemblies may incorporate self-closing mechanisms for the doors. | 2012-03-15 |
| 20120062081 | HOUSING AND METHOD FOR MANUFACTURING HOUSING - A housing includes a substrate; an aluminum layer deposited on the substrate; and an ion implantation layer formed on the aluminum layer, the ion implantation layer comprising aluminum(II) oxide solid solution phase and aluminum oxide solid solution phase. The disclosure further includes a method for manufacturing the housing. The method includes the following steps: providing a substrate made of aluminum alloy; depositing an aluminum layer on the substrate, the aluminum layer is deposited on the substrate with an aluminum target by magnetron sputtering process; and forming an ion implantation layer on the aluminum layer, the ion implantation layer is formed on the aluminum layer by implanting ions of oxygen into the aluminum layer, and the ion implantation layer comprising aluminum(II) oxide solid solution phase and aluminum oxide solid solution phase. | 2012-03-15 |
| 20120062082 | Housing structure of electronic device and manufacturing method thereof - A housing structure of electronic device and a manufacturing method thereof are provided. The housing structure of electronic device comprises a metal member and a plastic member. A surface of the metal member is formed with a plurality of micro anchored apertures. Each micro anchored aperture has an irregular inner wall. The plastic member is integrated on the surface of the metal member, wherein the plastic member extends in the micro anchored apertures and fully abutted and adhered on the irregular inner walls. | 2012-03-15 |
| 20120062083 | RAIL MOUNTING CLAMP FOR ELECTRONIC EQUIPMENT ENCLOSURE - An electronic equipment enclosure includes a frame structure having side cross members between front and rear frames, a vertical mounting rail and a clamping bracket attached to the vertical mounting rail. At least one of the side cross members defines an interior-facing channel that extends at least substantially along the length thereof. Upon insertion into the channel, the clamping bracket is rotatable within the channel to tighten, and thereby fasten, the vertical mounting rail to the frame structure. | 2012-03-15 |
| 20120062084 | ELECTRONIC EQUIPMENT CABINET STRUCTURE - An electronic equipment cabinet structure includes a frame having a plurality of vertical support posts and a plurality of cross members that connect the support posts together. In one aspect, the cabinet structure further includes at least one caster plate connected to one of the plurality of cross members, wherein the caster plate includes a C-shaped portion to fittingly correspond with the cross member to which it is connected, thereby providing rigidity to the frame. In another aspect, the cabinet structure further includes at least one bracket having a base and two sides extending in the same direction away from the base, the edges of the two sides being connected to one of the cross members and the base being connected to one of the vertical support posts. In still another aspect, the cabinet structure further includes at least one bracket connected to one of the vertical support posts, wherein the bracket includes a first embossed portion nested within a corresponding second embossed portion on the vertical support post to which the bracket is connected. | 2012-03-15 |
| 20120062085 | Dishwasher Comprising A Drawer - The present invention relates to a dishwasher ( | 2012-03-15 |
| 20120062086 | CABLE PASS-THROUGH PANEL FOR ELECTRONIC EQUIPMENT ENCLOSURE - An electronic equipment enclosure includes a frame structure and at least one panel secured to the frame structure. The at least one panel includes one or more panel knockouts arranged therein. Each panel knockout is configured to be removable from the at least one panel to provide a pass-through opening for a cable. The at least one panel further includes a split brush assembly seated in place of a removed one of the one or more panel knockouts. | 2012-03-15 |
| 20120062087 | ORGANIZER FOR SORTING JEWELRY BY COLOR OR STYLE - A jewelry organizer configured to hold various sizes and types of jewelry items so that all pieces of a particular style or color may be stored and displayed in one location. The jewelry organizer includes at least one card including a frame and at least one crossing bar secured to the frame. A web panel is connected to each crossing bar. The web panel includes a plurality of holes and openings. A plurality of hooks is attached to the crossing bars and a hanging rod is located on the top end of the frame. The holes and openings are adapted to receive a plurality of different jewelry items. | 2012-03-15 |
| 20120062088 | SLIDE ASSEMBLY WITH BUFFERING DEVICE - A slide assembly with a buffering device includes a positioning member, a swing member, a push member, a resilient member and an engaging member, all of which are connected to the slide assembly having a first rail and a second rail. The positioning member is movably connected to the first rail and the swing member is pivotably connected to the positioning member. The push member is connected to the positioning member and biased by the resilient member so as to move longitudinally. The engaging member is connected to the second rail. A buffering member is located between the positioning member and the first rail. The buffering member maintains the positioning member at a first position relative to the first rail. | 2012-03-15 |
| 20120062089 | STORAGE AND PACKAGING DEVICE - A packaging and storage device which includes one or more paperboard drawer structures which may be stacked and connected to form a book-like arrangement. | 2012-03-15 |
| 20120062090 | STORAGE AND PACKAGING DEVICE - A packaging and storage device which includes one or more paperboard drawer structures which may be stacked and connected to form a book-like arrangement. | 2012-03-15 |
| 20120062091 | VERTICAL MOUNTING RAIL WITH CABLE MANAGEMENT FEATURES - An electronic equipment enclosure includes a frame structure that includes side cross members between front and rear frames, a vertical mounting rail fastened to the frame structure, and a first cable management structure. The vertical mounting rail includes a fastening portion, for interfacing with the frame structure, and at least one support portion including an aperture therein. The first cable management structure has a boss adapted to be maneuvered into the aperture and seated therein so as to fasten the first cable management structure to the at least one support portion without a separate fastener. | 2012-03-15 |
| 20120062092 | GUIDE RAIL ATTACHING STRUCTURE FOR SLIDING DOOR AND REFRIGERATOR HAVING THE SAME - In a guide rail attaching structure for a sliding door and a refrigerator using the same, the structure includes a support member coupled to an inner plate of a door of a refrigerator main body and having support coupling portions, and a pair of guide rails each having a guide rail coupling portion coupled to the corresponding support coupling portion, and slidable with respect to the refrigerator main body, wherein the support coupling portion and the corresponding guide rail coupling portion are coupled to each other by a hinge, whereby a force applied to the guide rail can be minimized to prevent warping of the guide rail even if the sliding door is open in any direction. | 2012-03-15 |
| 20120062093 | REFRIGERATOR - The present embodiment relates to a refrigerator. With the present embodiment, a user can easily draw in and out foods stored in a storage chamber. | 2012-03-15 |
| 20120062094 | ELECTRON GUN - The present invention has an object to provide a cold cathode field-emission electron gun with low aberration, to thereby provide a high-brightness electron gun even in the case of a large current. The present invention provides a field-emission electron gun which extracts an electron beam from a cathode and converges the extracted electron beam, the field-emission electron gun including: a magnetic field lens which is provided such that the cathode is disposed inside of a magnetic field of the lens; and an extraction electrode for extracting electrons from the cathode, the extraction electrode being formed into a cylindrical shape without an aperture structure. The present invention can provide an electron gun having a function of converging an electron beam using a magnetic field, the electron gun which is capable of reducing an incidental electrostatic lens action and has small aberration and high brightness. | 2012-03-15 |
| 20120062095 | LAMP - A lamp includes a heat dissipater having a base and an engaging member. The base includes a first air guiding portion and a fixing portion. The engaging member is mounted to an outer periphery of the base. A second air guiding portion is formed between the engaging member and the base. A lighting element is mounted to the base of the heat dissipater. A housing is engaged with the engaging member of the heat dissipater. The housing and the heat dissipater together define a compartment in communication with the first and second air guiding portions. A cooling fan is mounted to the fixing portion of the base. A circuit board is mounted in the compartment and electrically connected to the lighting element and the cooling fan. The circuit board is electrically connected to an electrically conductive member having an end extending out from the housing. | 2012-03-15 |
| 20120062096 | LED ILLUMINATION DEVICE AND CONDUCTION STRUCTURE THEREOF - A conduction structure includes a cooling plate and conductive members. A circuit board and a lamp panel are fixed at two sides of the heat cooling plate. The circuit board forms conductive areas. The cooling plate forms conductive areas and first holes with conductive inner faces. The lamp plate defines second holes. The lamp plate forms conductive areas around the second holes on the side away from the heat cooling plate. The conductive areas of the cooling plate contact with the corresponding conductive areas of the circuit board. Each conductive member includes a head and a rod. The rod engages in a corresponding first hole and a corresponding second hole in a transitional fit manner. The head electrically contacts the conductive area of the lamp plate. An LED illumination device using the same conduction structure is also provided. | 2012-03-15 |
| 20120062097 | High-Pressure Discharge Lamp having a Cooling Element - A high-pressure discharge lamp comprising two electrodes ( | 2012-03-15 |
| 20120062098 | METHOD OF MANUFACTURING A SPARK PLUG - Provided is a manufacturing method for manufacturing a spark plug which produces a spark plug which mitigates misfire and improves gas mileage, peak engine performance, horsepower, and increases the RPM range of the host vehicle. The improved performance of the spark plug is, at least in part, attributable to the spacing between an electrode body and an electrode cage. In particular, the electrode cage extends over the electrode body such that the arcuate members of the electrode cage are equidistantly spaced from the bulbous or spherical electrode body. The manufacturing method described herein results in a spark plug having the above-described configuration, while being formed and assembled at an economical cost. | 2012-03-15 |
| 20120062099 | SPARK PLUG - An object of the invention is to restrain separation of an electrode tip from a ground electrode or from a center electrode. A spark plug satisfies a condition 0.8≦A1/A2≦1.9, where, as viewed on a section which contains a center axis (O) of an electrode tip, A1 [Hv] is hardness of the electrode tip as measured outside a circle having a radius of 0.2 mm, with a boundary point (PA) on a surface of the spark plug between a fusion zone and the electrode tip serving as the center of the circle, and A2 [Hv] is hardness of the electrode tip as measured within the circle having a radius of 0.2 mm. | 2012-03-15 |
| 20120062100 | THERMIONIC ELECTRON EMISSION DEVICE - A thermionic electron emission device includes an insulating substrate and one or more lattices located on the insulating substrate. Each lattice includes a first, second, third and fourth electrode down-leads located on the insulating substrate to define an area. A thermionic electron emission unit is located in the area. The thermionic electron emission unit includes a first electrode, a second electrode, and a thermionic electron emitter. The thermionic electron emitter includes a carbon nanotube film structure. The carbon nanotube film structure includes a carbon nanotube film. The carbon nanotube film includes a number of carbon nanotubes joined end to end along axial directions of the carbon nanotubes by contacting with each other directly. | 2012-03-15 |
| 20120062101 | Discharge Lamp Comprising Coated Electrode - A discharge lamp ( | 2012-03-15 |
| 20120062102 | Method of producing light bulbs and fluorescent lighting - A light apparatus includes s light arrangement and a highlighting element. The light arrangement includes a light housing, at least a connector coupling with the light housing for electrically connecting to a power supply source, and at least a light source received in the light housing for generating a non-neon light to penetrate through the light housing. The highlighting element is provided at the light housing and arranged in such a manner that when the light passes through the light housing, the highlighting element creates a neon light emitting effect at the light arrangement. | 2012-03-15 |
| 20120062103 | RED LIGHT-EMITTING FLUORESCENT SUBSTANCE AND LIGHT-EMITTING DEVICE EMPLOYING THE SAME - The embodiment provides a red light-emitting fluorescent substance represented by the following formula (1): | 2012-03-15 |
| 20120062104 | FLAT PANEL DISPLAY DEVICE AND METHOD OF MANUFACTURING THE SAME - A flat panel display device and a method of manufacturing the same. The method of manufacturing the flat panel display device includes: forming a display on a substrate; preparing an organic layer mask comprising a first mask body, a regulator extending from the first mask body and contacting the organic layer, and a tunnel having a space between the first mask body and the regulator; forming an organic layer covering the display in a region divided by the regulator of the organic layer mask, and condensing a part of the organic layer permeating through the tunnel; preparing an inorganic layer mask; and forming an inorganic layer covering the organic layers formed in the region divided by the regulator through the inorganic layer mask and in the tunnel. | 2012-03-15 |
| 20120062105 | SILICON CARBIDONITRIDE BASED PHOSPHORS AND LIGHTING DEVICES USING THE SAME - Disclosed herein are novel families of silicon carbidonitride phosphor compositions. In certain embodiments, optimal ranges of carbon content have been identified which provide excellent luminescence and thermal stability characteristics. | 2012-03-15 |
| 20120062106 | RED LIGHT-EMITTING FLOURESCENT SUBSTANCE AND LIGHT-EMITTING DEVICE EMPLOYING THE SAME - The embodiment provides a red light-emitting fluorescent substance represented by the following formula (1): | 2012-03-15 |
| 20120062107 | DISPLAY DEVICE - In a display device including, a display area having a plurality of organic EL devices on a substrate; a peripheral area having a driving circuit for the organic EL devices and surrounding the display area on the substrate; and an organic insulating film covering at least the driving circuit, the organic insulating film has a separating groove which divides itself into the inner part and outer part at the periphery of the display area. | 2012-03-15 |
| 20120062108 | LIGHT-EMITTING DEVICE - The present invention provides a light-emitting device comprising a supporting substrate and a plurality of organic EL elements provided on the supporting substrate to be connected in series, in which each of the organic EL elements comprises a pair of electrodes and a light-emitting layer placed between the electrodes, the light-emitting layer extends in the prescribed array direction across the plurality of organic EL elements, each electrode out of the pair of electrodes comprises an extended portion that extends, as viewed from one thickness direction of the supporting substrate, protruding from the light-emitting layer in a width direction vertical to both of the thickness direction of the supporting substrate and the array direction, and one electrode out of the pair of electrodes further comprises a connecting portion that extends from the extended portion in the array direction to the other electrode of the organic EL element neighboring in the array direction so as to be connected to the other electrode. | 2012-03-15 |
| 20120062109 | Organic Electroluminescent Device and Method of Fabrication - An organic electroluminescent device comprises an anode; a cathode; a first electroluminescent layer between the anode and the cathode comprising an electron transporting material; and a second electroluminescent layer between the first electroluminescent layer and the anode. The second electroluminescent layer comprises a hole transporting material and an electroluminescent electron trapping material. The first electroluminescent layer may comprises a polymer having an electron transporting material and an electroluminescent material, and may include an optionally electroluminescent hole-transporting material. The electron transporting material and one or both of the hole transporting material of the first electroluminescent layer and the electroluminescent material of the first electroluminescent layer are part of the same molecule or polymer. Preferably, the electron transporting material comprises a plurality of adjacent arylene repeat units. | 2012-03-15 |
| 20120062110 | ELECTROLUMINESCENT TEXTILE AND METHOD FOR THE PRODUCTION THEREOF - A method for producing electroluminescent textiles and to electroluminescent textiles produced accordingly is provided. A layer arrangement ( | 2012-03-15 |
| 20120062111 | Sealing for panels of an organic electroluminescence display and lighting apparatus - An organic EL display device or a lighting device is covered by sealing the top and bottom, left and right, front and back, that is the entire body and periphery of the panel, with an air-impermeable sealing resin. Dipping the substrate plate or printing the sealing resin onto the substrate plate is applied to the substrate plate excluding the display area and light emitting area of the organic EL panel to block intrusion of air and moisture that affect the life of the organic EL element. With this, the life of an organic EL panel can be extended, and large screen size and mass production of panel can be also easily accomplished. | 2012-03-15 |
| 20120062112 | APPARATUS, SYSTEM, AND METHOD OF CONTROLLING IGNITION TIMING OF A HID LAMP USING A THIRD ELECTRODE - A high-intensity discharge (HID) lamp comprising a discharge vessel including a first and a second end region and defining an arc chamber containing an arc generating medium, a cathode and an anode in the first and the second end regions of the discharge vessel, respectively, the cathode and the anode each comprising a terminal end disposed within the arc chamber and separated by an arc gap, and an electrically conductive starting aid configured to initiate a dielectric barrier discharge (DBD) with the anode at or after a voltage across the first and second electrodes reaches an open circuit value. A ballast may control power provided to the HID lamp. | 2012-03-15 |
| 20120062113 | LIGHT-EMITTING DIODE (LED) MODULE WITH LIGHT SENSOR CONFIGURATIONS FOR OPTICAL FEEDBACK - An embodiment of the disclosure includes a LED module. A substrate is provided. A light sensor is positioned in the substrate. A LED chip is attached to the substrate. The LED chip has a first side and a second side. The second side is covered by an opaque layer with an opening. The opening is substantially aligned with the light sensor. The light sensor receives a light output emitting from the LED chip through the opening. | 2012-03-15 |
| 20120062114 | PROTECTION CIRCUIT OF T8 LED LIGHTING TUBE - A protection circuit is provided for a T8 LED lighting tube, including at least two power transmission connectors and at least two rectification circuits. The power transmission connectors are respectively mounted to opposite ends of the T8 LED tube and each has at least two contacts that are respectively engageable with tube retention connectors formed on opposite ends of a T8 fluorescent light fixture to receive an external AC power. Each rectification circuit is composed of at least one rectifier semiconductor and the two rectification circuits are respectively connected to the contacts of the two power transmission connectors. The rectification semiconductors of the two rectification circuits are connected to achieve a reverse flow prevention function, so that the rectification circuits can supply a DC power to a light source load contained inside the T8 LED tube without allowing an electrical current reversely flowing to a starter of the T8 fluorescent light fixture no matter what sequence and direction that contacts take for connection with the tube retention connectors of the T8 fluorescent light fixture, so as to isolate and disable the starter for protecting the light source load of the T8 LED tube. | 2012-03-15 |
| 20120062115 | LIGHT EMITTING DEVICE - A light emitting device includes: a substrate having opposed first and second main faces; a light emitting element mounted on the first main face of the substrate; and a driver integrated circuit (IC) formed in an area corresponding to a lower side of the light emitting element within the substrate, and adjusting the amount of current applied to the light emitting element. Since the circuit provided to drive a light emitting diode (LED) is integrated within the substrate, a compact light emitting device having an integrated structure can be obtained. | 2012-03-15 |
| 20120062116 | SYSTEM AND METHOD FOR CONTROLLING HEADLIGHTS ON A VEHICLE IN RESPONSE TO WIPER OPERATION - A method for controlling headlights on a vehicle includes detecting for a wiper switch state for a wiper switch on a vehicle, detecting wiper operations, incrementing a counter value by x until the counter value reaches a headlight ON threshold, counting toward a time threshold, decrementing the counter value by x until the counter value reaches a headlight OFF threshold value, and changing a state of the headlights based on the counter value reaching one of the headlight ON threshold and the headlight OFF threshold. Incrementing the counter value by x can occur in response to each detected wiper operation. Counting toward the time threshold can occur in response to detecting a wiper switch OFF state. Decrementing the counter value by x can occur in response to each instance of the time threshold elapsing with no change from the wiper switch OFF state. A plurality of intermediate counter values can be found between the headlight ON threshold and the headlight OFF threshold. A control system is also disclosed. | 2012-03-15 |
| 20120062117 | Headlamp for vehicle - A headlamp for a vehicle includes: a housing having a front opening; a lens cover arranged to cover the front opening of the housing; a lamp chamber defined by the housing and the lens cover; a light source provided in the lamp chamber; a lighting control circuit that controls lighting of the light source; and a heat dissipating member arranged in the lamp chamber. Further, the lighting control circuit is formed on a substrate. The heat dissipating member has a pillar portion and a plurality of heat dissipating fins. The pillar portion has the light source mounted thereto. The heat dissipating fins are provided on an outer periphery of the pillar portion so as to be spaced from one another. The pillar portion also has a recess formed therein. The substrate is received in the recess of the pillar portion. | 2012-03-15 |
| 20120062118 | DISCHARGE APPARATUS - A discharge apparatus ( | 2012-03-15 |
| 20120062119 | LIGHT GENERATING DEVICE AND METHOD FOR CONTROLLING THE DEVICE - A light generating device includes: an LED module, a memory, an LED module driving unit, a current controller, a temperature sensor, an operation unit, and a key input unit. The light generating device increases the light emission efficiency. | 2012-03-15 |
| 20120062120 | THERMAL FOLDBACK CIRCUIT WITH DIMMER MONITOR - A thermal foldback circuit protects a lamp circuit component from overheating by limiting power to the lamp in response to an over-temperature condition. The amount of limiting is adjusted based at least in part on an input from an external power-reduction source, such as a dimmer. | 2012-03-15 |
| 20120062121 | LIGHT MODULE - The invention relates to a light module for electrical and thermal attachment to an energy infrastructure having at least one power supply, each power supply comprising two electrodes, said light module comprising a light source to emit light, wherein the light source is a heat source when emitting light, two electrical contacts to contact the electrodes of the at least one power supply and thereby establishing the electrical attachment between the light module and the energy infrastructure, a control system arranged between the light source and the electrical contacts to control a power supplied to the light source, wherein the light module comprises a measurement system to measure a thermal resistance of the thermal attachment between the light module and the energy infrastructure when establishing the electrical attachment, and wherein the control system is configured to reduce the power supplied to the light source when the thermal resistance is above a predetermined value to protect the light module from overheating. The invention also relates to a method for protecting a light module from overheating. | 2012-03-15 |
| 20120062122 | OPEN LED BYPASS CIRCUIT AND ASSOCIATED METHODS OF OPERATION - The embodiments of the present circuit and method disclose a circuit to bypass a target circuit when an open status is detected. The present circuit may comprise a sample circuit, a monitoring circuit and a bypass circuit. The sample circuit may comprise a capacitor coupled to the target circuit. The monitoring circuit may be coupled to the capacitor and may have an output configured to generate an output signal selectively indicating the open status. The bypass circuit may comprise a switch, wherein the switch has a control terminal coupled to the output of the monitoring circuit and wherein the switch may be configured to be selectively turned ON to bypass the target circuit in accordance with the output of the monitoring circuit. | 2012-03-15 |
| 20120062123 | Managing Light System Energy Use - A first lighting assembly receives a lighting profile that instructs the first lighting assembly to operate according to the lighting profile over a first period of time. The received lighting profile is implemented, including causing a light of the first lighting assembly to illuminate at a first intensity. An input acquired in proximity to the first lighting assembly and indicating activity in a region proximate the first lighting assembly is received. The received lighting profile is then deviated from, in response to the received input, by increasing the intensity of the light to illuminate at a second intensity for a predetermined period of time. A message is transmitted for receipt by the control center, the message including an indication of the increased light intensity and an identifier associated with the first lighting assembly. | 2012-03-15 |
| 20120062124 | LIGHTING DEVICE WITH OPTICAL PULSATION SUPPRESSION BY POLYPHASE-DRIVEN ELECTRIC ENERGY - The present invention relies on polyphase alternating current power with phase difference or direct current power rectified from polyphase alternating current power to drive a common electric-driven luminous body, or to separately drive adjacently installed individual electric-driven luminous bodies so that the pulsation of the outwardly projected light is reduced. | 2012-03-15 |
| 20120062125 | Distributed Lighting Control of a Corridor or Open Areas - Methods and apparatuses of distributed lighting control are disclosed. One method includes a sensor sensing a change of light intensity per unit of time greater than a sense threshold. If a light associated with the sensor is within a corridor and the sensed change of light intensity per unit of time is greater than the sense threshold, then the light is activated at a preselected corridor light intensity. If the light associated with the sensor is not within a corridor and the sensed change of light per unit of time is greater than the sense threshold, then the light is activated at a preselected non-corridor light intensity. For an embodiment, the preselected corridor light intensity is greater than the preselected non-corridor light intensity. | 2012-03-15 |
| 20120062126 | ILLUMINATION DEVICE AND METHOD CONTROLLING THE SAME - An illumination device and a method controlling the same are provided. The illumination device produces a pulse width modulation signal to control an illumination light source of the illumination device. The illumination light source is used to illuminate an environment. A driver of the illumination device provides a current to the illumination light source so the illumination light source emits light and a light detecting element of the illumination device detects a first brightness in the environment when the pulse width modulation signal is at high potential. The driver stops providing the current to the illumination light source and the light detecting element detects a second brightness in the environment when the pulse width modulation signal is at low potential. Thus, through a single light detecting element, two different levels of brightness in the illuminated environment are detected. | 2012-03-15 |
| 20120062127 | LIGHT EMITTING DIODE LAMP AND OPTICAL COMMUNICATION NETWORKING SYSTEM - A light emitting diode (LED) lamp includes a lamp body, an LED array, a light driving unit and a light detection unit. The LED array and the light detection unit are disposed in the lamp body. The light driving unit receives at least one electric signal and then converts it to at least one current signal for driving the LED array to radiate at least one first light beam. The light detection unit converts at least one second light beam irradiating the lamp body into a detect signal. | 2012-03-15 |
| 20120062128 | LIGHT DIMMING CONTROL - A power supply to an LED-based street or area light is operated to provide a dimming control signal, which is in turn processed by a circuit to produce 0-10 V DC, pulse width modulated (PWM) signals, or any other suitable signal that can variably control LEDs within the light. The on/off power interruptions could be provided, for example, from a photoelectric control, a timer circuit, or a pre-programmed or manually controlled timer/contactor. The signal to the on/off device could also or instead be initiated by an RF or power line carrier signal to cause the power interruptions. | 2012-03-15 |
| 20120062129 | Light Engine Device with Direct to Linear System Driver - A lighting system adapted for being retrofit into a conventional lighting fixture, or adapted to replace the conventional fixture. The lighting system includes a lighting device having a substrate and a plurality of light-emitting elements disposed on the substrate. The lighting system further includes a power supply for delivering D/C current to the lighting device. The lighting device may be installed into a conventional lighting socket in the conventional lighting fixture or mounted independently utilizing some parts of the conventional fixture. The power supply is installed into the conventional lighting fixture or other suitable fixture external to the lighting device. In exemplary embodiments, the lighting system includes a plurality of lighting devices rotatably mounted in the conventional lighting fixture. Each lighting device is powered by an independent power supply and may be independently rotated and powered to customize light coverage. | 2012-03-15 |
| 20120062130 | IMAGE DISPLAY APPARATUS - An image display apparatus according to an implementation of the present invention includes: pixel circuits disposed in rows and columns; first power lines and control lines disposed in respective rows; a third power line; second switching transistors disposed at least one for each of the rows and each having a gate terminal connected to the control line disposed in the corresponding row, one of a source terminal and a drain terminal connected to the first power line disposed in the corresponding row, and the other of the source terminal and the drain terminal connected to the third power line; and a power supply unit which supplies the same voltage to the first power lines and the third power line when the second switching transistors are turned ON. | 2012-03-15 |
| 20120062131 | METHOD OF DRIVING A LIGHT SOURCE, LIGHT SOURCE APPARATUS FOR PERFORMING THE METHOD AND DISPLAY APPARATUS HAVING THE LIGHT SOURCE APPARATUS - A light source apparatus includes a plurality of light source parts, a power supply part, a current selection part and a current control part. The plurality of the light source parts are connected in parallel and the power supply part provides power to a first terminal of each of the light source parts. The current selection part selects the current level of one of the light source parts as a reference current level. The current control part adjusts the levels of the currents flowing through the light source parts to be substantially equal to the reference current level. Selection of the light source part that provides the reference current level is dynamically changed. | 2012-03-15 |
| 20120062132 | Regulated Voltage Protection Circuit, Display Controller and LED Driving Method of the Same - A regulated voltage protection circuit includes a bias-voltage generating circuit and a clamping circuit. The bias-voltage generating circuit provides a bias-voltage. The clamping circuit is coupled to a plurality of light-emitting diode (LED) strings and a driving circuit, and generates a plurality of clamped voltages that are respectively transmitted to a plurality of input pads of the driving circuit according to the bias-voltage. The regulation voltage protection circuit protects against electrical overstress (EOS) by protecting the driving circuit during low-voltage fabrication process chip manufacturing. | 2012-03-15 |
| 20120062133 | LOW VOLTAGE LED DIMMER WITH INTEGRATED UNIVERSAL SWITCH MODE POWER SUPPLY - A low voltage dimmer for LED lamps incorporates an AC-DC power supply along with a Pulse Width Modulator (PWM) to modify the power delivered to an LED load is configured to fit inside the form factor of a standard single gang electrical to control the intensity of the light emitted by the LED. The PWM portion of the dimmer circuit incorporates a microprocessor configured to produce a train of output pulses and controlled by a variable input voltage to modulate the output duty cycle of these pulses to drive one or more LED lamps to switch between “on” and “off” conditions. Variation of the duty cycle of the pulses regulates the total amount of time in each cycle that the lamp is illuminated, with the aggregate “on” time determining the apparent brightness of the lamp. | 2012-03-15 |
| 20120062134 | DRIVING CIRCUIT FOR T8 LED LAMP - A driving circuit for a T8 light-emitting diode (LED) lamp mainly includes two bridge rectifiers. According to the electrical characteristics and the circuit designs of the bridge rectifiers, the T8 LED lamp can be driven to illuminate by the driving circuit while a starter needs not be removed from the T8 lamp holder. | 2012-03-15 |
| 20120062135 | DISPLAY APPARATUS AND METHOD OF DRIVING PIXEL THEREOF - A display apparatus includes a plurality of pixels each including first and second organic EL elements whose emitting periods are controlled by respective emitting-period control TFTs. The second organic EL element has a front luminance lower than that of the first organic EL element. An electric charge charged in a storage capacitor as a gradation display signal in a previous frame is erased through an erasing TFT and the second organic EL element. | 2012-03-15 |
| 20120062136 | Direct current light emitting device control circuit with dimming function and method thereof - The present invention discloses a direct current (DC) light emitting device control circuit with dimming function, and a method thereof, wherein the dimming function is provided in a feedback loop for feeding back a feedback signal from an output terminal to a power switch control circuit; the feedback signal relates to an output current supplied to the DC light emitting device. The present invention adjusts the feedback signal according to the desired brightness of the DC light emitting device. The present invention controls a power switch according to the adjusted feedback signal, such that the output current supplied to the DC light emitting device is adjusted, and accordingly the brightness of the DC light emitting device is adjusted below the full brightness. | 2012-03-15 |
| 20120062137 | Method for Detection of Non-Zero-Voltage Switching Operation of a Ballast of Fluorescent Lamps, and Ballast - A method for use in a lamp ballast includes obtaining a measurement signal representative of a voltage at an output of a half-bridge circuit. The half-bridge circuit includes first and second semiconductor switching elements, a resonant circuit connected to the half-bridge circuit, and a snubber capacitance connected in parallel with one of the semiconductor switching elements. The method also includes providing a comparison sinal by comparing heeasurem ment signal with a reference value. The method further includes detecting one of a first type of non-zero-voltage switching operation and a second type of non-zero-voltage switching operation based on evaluations of the comparison signal, wherein the evaluations of the comparison signal occurs in each case before the first semiconductor element is switched on and in each case before the second semiconductor element is switched on. | 2012-03-15 |
| 20120062138 | APPARATUS AND METHOD FOR LED LIGHT CONTROL - An illumination apparatus comprises a plurality of LEDs and a control system connected to receive dimmer-modulated AC line voltage and control the LEDs. The control system is configured to operate in a plurality of different modes wherein changes in dimmer-modulated AC line voltage adjust various characteristic of the LEDs. | 2012-03-15 |
| 20120062139 | Illumination Assembly - An illumination assembly, comprising: at least one luminous means having at least one luminescence diode chip as light source, and at least one energizing means, which is connected to the at least one luminous means via a connecting line, wherein the energizing means is designed to energize the at least one luminous means. The energizing means comprises at least one filter element designed to filter signals which enter into the energizing means from a power supply for the energizing means and exit from the energizing means into the power supply | 2012-03-15 |
| 20120062140 | Method For Transmitting Control Information From A Control Device To A Lamp Unit As Well As A Corresponding Illuminating System, Lamp Unit And Control Device - A method is provided for driving at least one lamp unit, which is connected to an AC voltage power supply system. The method comprises modulating a control information item for the operation of the lamp unit onto the supplied AC voltage, decoding of the modulation received on the lamp unit side for reading the control information item and driving the light-emitting device in accordance with the control information item. Provision is made for a shunt to be produced in the line used for transmitting the control information item prior to or at the beginning of the modulation of the control information item. The disclosure also provides a lamp unit and a control device for implementing the method. The disclosure also provides a lighting system. | 2012-03-15 |
| 20120062141 | VARIABLE-IMPEDANCE LOAD FOR LED LAMPS - In various embodiments, a startup circuit for a low-voltage-lighting electronic transformer includes a low-impedance output circuit. At the beginning of an AC signal cycle, the low-impedance output circuit presents a low-impedance path to the output of the transformer, thereby causing a surge of current in the transformer and initiating oscillation therein. | 2012-03-15 |
| 20120062142 | Method of Stabilizing Work Consumption of Passive Element - While an electronic product including passive elements is connected to an AC input voltage source, corresponding decreased currents are calculated according to a constant input/output work and a voltage curve of the input voltage source. Therefore, while the electronic product is activated under voltage sources having different scales or being unstable, the calculated decreased currents are applied so as to stabilize the input work or the output work. | 2012-03-15 |
| 20120062143 | DRIVING CIRCUIT - A driving circuit for driving a diode includes at least one differential pair including a first output node and a second output node and configured to switch an output current, a current source configured to adjust the output current, a dummy load coupled to the second output node, a first termination resistor coupled between the first output node and a termination ground, and a second termination resistor coupled between the second output node and the termination ground. The output current is supplied to the diode through the first output node by at least one differential pair. | 2012-03-15 |
| 20120062144 | LED DRIVERS WITH ADAPTIVE HYSTERETIC CONTROL CIRCUITS AND ASSOCIATED METHODS OF OPERATION - Various embodiments of LED drivers and associated methods of are described below. In one embodiment, a method for controlling an LED driver includes receiving a reference voltage, receiving a feedback voltage from said LED driver, receiving said input voltage as a first feed forward voltage and said output voltage as a second feed forward voltage, generating a hysteretic width based on said first feed forward voltage and said second feed forward voltage, and generating a hysteretic band voltage using said hysteretic width and said reference voltage. The method also includes generating a first control signal for controlling said LED driver based on said hysteretic band voltage and said feedback voltage, inverting said first control signal to generate a second control signal for controlling said LED driver, and achieving a generally fixed frequency for said LED driver. | 2012-03-15 |
| 20120062145 | LED (LIGHT-EMITTING DIODE) OUTPUT POWER ADJUSTING DEVICE AND METHOD THEREOF - An LED (Light-Emitting Diode) output power adjusting device includes an analog/digital conversion and detection circuit, a computation and control unit, a digital/analog conversion control circuit, and a power supply circuit. The analog/digital conversion and detection circuit is connected to an LED based load to detect a forward voltage thereof and converts the forward voltage into an output of digital signal. The computation and control unit perform evaluation and computation on the digital signal of the forward voltage to obtain a digital current control signal indicating a corresponding current. The digital/analog conversion control circuit converts the digital current control signal into an analog current control signal, which is then fed to a constant current drive circuit of the LED based load to adjust an output power of the LED based load to approximate a constant power condition. The power supply circuit supplies working powers for the analog/digital conversion and detection circuit, the computation and control unit, and the digital/analog conversion control circuit. Also disclosed is an LED output power adjusting method. | 2012-03-15 |
| 20120062146 | LAMP DRIVING DEVICE - A lamp driving device is provided for driving plural lamps. The lamp driving device includes a power conversion circuit and plural lamp connectors. The power conversion circuit is capable of converting an input voltage into a first DC voltage, and outputting a first current having a constant current value. The plural lamp connectors are serially connected with each other, and have respective positive terminals and respective negative terminals connected with corresponding lamps, thereby outputting respective output voltages and respective output currents to corresponding lamps. The first DC voltage is subject to voltage-division to obtain the output voltages, and the magnitudes of the output voltages from the lamps are substantially identical. | 2012-03-15 |
| 20120062147 | High efficiency drive method for driving LED devices - A set of unique concept of driving multiple LED strings with non-dissipative current balancing and non-dissipative synchronous current regulation is disclosed. Inductive components and capacitive components are utilized in the non-dissipative current balancing approach to drive the LED strings from AC supply source. The synchronous regulation method regulates the LED current with pulse width modulated switching action in synchronous with the AC supply source frequency. Both simultaneous and independent control of the LED string operation can be realized with synchronous regulation method when combined with suitable circuit configuration. | 2012-03-15 |
| 20120062148 | LUMINESCENCE DRIVING APPARATUS, DISPLAY APPARATUS, AND DRIVING METHOD THEREOF - A luminescence driving apparatus, a display apparatus, and a driving method thereof are provided. The luminescence driving apparatus includes: a driving circuit which is connected to a light-emitting device and drives the light-emitting device according to a control pulse having a fluctuating amplitude; a controller which, if an internal current of the light-emitting device is less than or equal to a threshold value, selects a position from among a plurality of different positions of the driving circuit based on the amplitude of the control pulse, senses a voltage at the selected position and determines whether a short-circuit has occurred between the light-emitting device and the driving circuit using a level of the sensed voltage; and a protector which if it is determined that the short-circuit has occurred, performs a protection operation with respect to the light-emitting device. | 2012-03-15 |
| 20120062149 | LIGHT EMITTING DIODE DRIVING INTEGRATED CIRCUIT - A driving integrated circuit of light emitting diodes is used for driving at least one light emitting diode. The driving integrated circuit includes a current setting pin, a regulator circuit, and an adjuster. The driving integrated circuit sets a target current for a current flowing through the at least one light emitting diode according to an outflowing current of the current setting pin. The adjuster adjusts a target voltage according to the outflowing current. Then the regulator circuit provides a supply voltage for driving the light emitting diode so as to regulate a terminal voltage of the light emitting diode to the target voltage. | 2012-03-15 |
| 20120062150 | Thermally Self-Stabilizing LED Module - An improved LED module that is thermally self-stabilizing, and that is able to be retrofitted into an existing flashlight is provided. In one embodiment, the LED module includes a light emitting diode, an amplifying circuit and a microchip. The amplifying circuit includes a temperature sensing device to sense heat from the light emitting diode. The output of the amplifying circuit is input to the microchip which output to a switching device that regulates energy that is delivered to the light emitting diode. The switching device may be part of a boosting circuit, a bucking circuit or an inverting circuit. | 2012-03-15 |
| 20120062151 | BALL SHAPE LED LAMP - A ball shape LED lamp comprises a ball; a driving circuit being installed at a central portion of the ball; and an LED light assembly having a plurality of LED lamps which are retained on the surface of the ball; and all the LED lamps being electrically connected to the driving circuit. Or a retainer formed by a plurality of telescopic rods which are fixed at two ends thereof; each of two ends of the telescopic rods being retained to an inner side of a respective fixing disk; an outer side of each fixing disk being extended with a stud; and a plurality of flexible circuit strips; each of two ends of each retaining strip having a retaining hole; a plurality of LED lamps being retained to the flexible circuit strips and being spaced apart; a plurality of LED lamps being retained to the retaining flexible circuit strip. | 2012-03-15 |
| 20120062152 | MODULAR LIGHTING ARRAYS - Apparatus, systems, architectures, and methods provide interlocked modular lighting array units to operate as a single large light source. The modular lighting array units may be connected by a network, and the modular lighting array units may communicate and send and receive control or status signals. In some embodiments, the signals may correspond to status of light sources or LEDs, lighting functions, effects routines, and various other signals of communication. | 2012-03-15 |
