| 10th week of 2015 patent applcation highlights part 25 |
| Patent application number | Title | Published |
|---|
| 20150061445 | ROTOR HAVING PERMANENT MAGNET AND METHOD OF MANUFACTURING THE SAME - A rotor having permanent magnets | 2015-03-05 |
| 20150061446 | ROTOR OF BRUSHLESS MOTOR - A rotor of a brushless motor used in a fuel pump includes a permanent magnet having first and second ends that are configured to have a thickness ratio so that a degree of margin of those ends, which is a difference between an allowable stress and a temperature stress due to expansion and contraction of a rotor core caused by a temperature change is equal to or greater than a preset value. As a result, a cracking of the permanent magnet on the both ends that is caused by repeated expansions and contractions of the rotor core is prevented. | 2015-03-05 |
| 20150061447 | PERMANENT MAGNET-EMBEDDED TYPE ROTARY ELECTRIC MACHINE - Magnetic flux short-circuit preventing slits extend from opposite ends of two permanent magnets in an outer circumferential surface of a rotor toward a center of a magnetic pole. Grooves formed in the outer circumferential surface can be located at a distance from each other symmetrically with respect to the center of the magnetic pole and at a distance from a groove of an adjacent magnetic pole in the outer circumferential surface. Relations are established as θf=n×τs and θs=n×τs where τs designates a pitch of stator winding slots, which pitch is converted into an angle around a rotation center, θf designates an angle between the magnetic flux short-circuit preventing slits, θs designates an angle between the grooves, and n designates a predetermined integer. Thereby, a permanent magnet-embedded type rotary electric machine in which the influence of a manufacturing error can be minimized so that cogging torque can be reduced stably. | 2015-03-05 |
| 20150061448 | ARMATURE AND DC MOTOR - An armature includes a core having a plurality of teeth, which are radially formed with a rotation axis as the center, a plurality of coils where each coil is wound around each set of teeth containing at least two teeth. The plurality of coils have a plurality of inside coils placed on a rotation axis side of the teeth and a plurality of outside coils placed outside the inside coils. The plurality of inside coils are circularly arranged so that inside coils adjacent to each other are not wound around the same tooth. The plurality of outside coils are circularly arranged so that outside coils adjacent to each other are not wound around the same tooth. The outside coils are wound around a second set of combinations of teeth, which are different from a first set of combinations of teeth around which the inside coils are wound. | 2015-03-05 |
| 20150061449 | THREE-PHASE ELECTROMAGNETIC MOTOR - A three-phase electromagnetic motor includes: a stator that is formed by winding a winding around a magnetic pole formed between slots of a stator core; and a rotor that is disposed inside the stator and has a permanent magnet. The three-phase electromagnetic motor is formed of 8n poles and 6n slots (n is a natural number). 3n windings are wound around every other magnetic pole among a plurality of magnetic poles of the stator core. | 2015-03-05 |
| 20150061450 | COIL - A coil that is wound around a core having a plurality of slots arranged so as to be distributed in a circumferential direction of a cylindrical core reference plane, and that has N (where N is an integer of 2 or more) star connections. Each of the N star connections includes three phase coil portions corresponding to respective three phases, and first ends of the three phase coil portions are connected together at a neutral point that is formed independently for each of the star connections, second ends of the N phase coil portions of the same phase which are included in the different star connections are connected to each other, a phase coil placement region where the phase coil portion is placed is designed to be continuous in the circumferential direction. | 2015-03-05 |
| 20150061451 | ELECTRIC MOTOR - An electric motor comprising a rotor which has a plurality of permanent magnets arranged along a circumferential direction, a stator arrangement with a winding arrangement which surrounds, at least in parts, the permanent magnets. Said stator arrangement comprises a first stator having a plurality of windings and the stator arrangement comprises a second stator, the windings of the first and second stators being embodied, respectively as frame-shaped coils, said coils of the first stator being arranged in the radial direction on the outside of the permanent magnets, the coils of the second stator being arranged in the radial direction inside the permanent magnets, and the coils are arranged along the winding axis thereof in the radial direction and the permanent magnets are arranged along the magnetization direction thereof in the radial direction. | 2015-03-05 |
| 20150061452 | COIL INSULATING STRUCTURE OF ELECTROMAGNETIC MOTOR STATOR - A coil is wound via an electrically insulating member within a slot of a stator core of an electromagnetic motor which is formed of a stator and a rotor. Groove portions are formed to oppose one another in respective opposing portions of a slot opening portion side of the electrically insulating member. An electrically insulating sheet is disposed by being inserted into the pair of groove portions. | 2015-03-05 |
| 20150061453 | STATOR CORE FOR ELECTRIC ROTARY APPARATUS - A stator core includes a yoke member and a teeth member. The yoke member is in an annular shape. The teeth member includes teeth and connecting portions. The teeth are projected from the yoke member radially inward. The teeth are formed of a steel plate stacked along a circumferential direction. At least one of the connecting portions connects a part of a tip end of one of the teeth in an axial direction with a part of a tip end of an other of the teeth in the axial direction. The one of the teeth and the other of the teeth are adjacent to each other in the circumferential direction. | 2015-03-05 |
| 20150061454 | BRUSH DEVICE FOR AN ELECTRIC MACHINE, AND ELECTRIC MACHINE - A brush device ( | 2015-03-05 |
| 20150061455 | VIBRATION DEVICE AND METHOD OF MANUFACTURING VIBRATION DEVICE - A vibration device including a supporting portion formed to cover both ends of a vibration region, and a method of manufacturing the vibration device are provided. The vibration device may include a lower substrate on which an insulating layer is formed, an upper substrate connected onto the insulating layer, and including a vibration region that vibrates and that is separated from the lower substrate by at least a predetermined distance, and a supporting portion formed to cover both ends of the vibration region, to support the vibration region. | 2015-03-05 |
| 20150061456 | Methods and Systems for Micro Machines - A micro machine may be in or less than the micrometer domain. The micro machine may include a micro actuator and a micro shaft coupled to the micro actuator. The micro shaft is operable to be driven by the micro actuator. A tool is coupled to the micro shaft and is operable to perform work in response to at least motion of the micro shaft. | 2015-03-05 |
| 20150061457 | ACTUATOR ELEMENT USING CARBON ELECTRODE - An object of this invention is to create an actuator in which the amount of deformation is maintained and no displacement in the reverse direction occurs, even when a constant voltage is continuously applied for a long period of time. | 2015-03-05 |
| 20150061458 | ELECTRET STRUCTURE AND METHOD FOR MANUFACTURING SAME, AND ELECTROSTATIC INDUCTION-TYPE CONVERSION ELEMENT - An electret-structure encompasses a fluorine-resin film | 2015-03-05 |
| 20150061459 | ENERGY CONVERSION DEVICE USING CHANGE OF CONTACT AREA AND CONTACT ANGLE OF LIQUID - The present invention relates to a method and a device for converting energy using a change of a contact area and a contact angle of liquid and, more specifically, to a method and a device for converting mechanical energy into electric energy by applying a reciprocal phenomenon of electrowetting, wherein liquid and gas are positioned between two facing substrates and energy is converted by using a volume change of a fluid, such that the present invention has the advantages of preventing channel-blocking without requiring all facing electrodes to be patterned, simplifying a device configuration, implementing easy control, and removing the need to apply an external power source. | 2015-03-05 |
| 20150061460 | TEXTILE-BASED ENERGY GENERATOR - In an example embodiment, a textile-based energy generator includes first and second electrode substrates, each of the first and second electrode substrates including a textile structure and an energy generation layer between the first and second electrode substrates, the energy generation layer on at least one of the first and second electrode substrates, the energy generation layer configured to generate electrical energy by at least one of generating friction between different materials and contacting and separating the different materials. | 2015-03-05 |
| 20150061461 | DEVICE FOR CHARGING AND DISCHARGING A CAPACITIVE ACTUATOR AND CONFIGURATION HAVING SUCH A DEVICE - A device for charging and discharging a capacitive actuator connectable to an output connection has a first capacitor disposed between an input connection and a reference potential. The device has a series connection composed of a first and a second power switching element which is connected in parallel with the first capacitor. The device additionally has a first coil with a first connection connected to the center tap of the series connection, wherein the second connection of the first coil is connected to the reference potential via a third power switching element and to the output connection via a fourth power switching element. Wherein the power switching elements have diodes connected in parallel therewith such that they are reverse-biased from the input connection or the output connection to the reference potential. Wherein a connection of the fourth power switching element is connected to the input connection via a diode. | 2015-03-05 |
| 20150061462 | VIBRATION PRODUCING DEVICE AS WELL AS ELECTRONIC DEVICE AND HUMAN BODY FITTING ARTICLE BOTH EMPLOYING SUCH VIBRATION PRODUCING DEVICE - The vibration producing device includes a driving shaft being placed under slight rapid vibratory movements in its axial direction, a slight rapid vibratory movements producing member coupled with one end of the driving shaft for causing the driving shaft to be vibrated with the slight rapid vibratory movements, a casing for supporting at least either the driving shaft or the slight rapid vibratory movement producing member in such a manner that the driving shaft can be vibrated with the slight rapid vibratory movements in its axial direction, and a weight member to be coupled with the driving shaft in order to permit the weight member to move in its axial direction under the slight rapid vibratory movements of the driving shaft, wherein the casing is vibrated by allowing the weight member to be moved forwards and backwards alternately along the driving shaft in its axial direction. | 2015-03-05 |
| 20150061463 | INERTIAL DRIVE ACTUATOR - An inertial drive actuator includes a displacement unit which generates a minute displacement in a first direction, and in a second direction, a coil which generates a magnetic flux, a movable object which has a surface facing at least one surface of the coil, and a first yoke which converges the magnetic flux generated by the coil, at a predetermined position, a detecting unit which detects an electric signal of the coil, reflecting a change in the magnetic flux near the coil based on a positional relationship of the movable object and the coil, and a judging unit which judges a position of the movable object, and the inertial drive actuator drives the movable object by controlling a frictional force acting on the movable object, by controlling the magnetic flux generated by the coil, and the coil carries out generation of the magnetic flux and detection of the magnetic flux. | 2015-03-05 |
| 20150061464 | ENERGY HARVESTER USING MASS AND MOBILE DEVICE INCLUDING THE ENERGY HARVESTER - Provided are an energy harvester using a mass, and a mobile device including the energy harvester. The energy harvester includes: a mass; first and second substrates spaced apart from each other, wherein one of the first and second substrates is connected to the mass; first and second electrodes provided on the first and second substrates; and an energy generator provided between the first and second electrodes, wherein the energy generator generates electric energy upon a relative movement between the first substrate and the second substrate caused by a movement of the mass. | 2015-03-05 |
| 20150061465 | ULTRASONIC PROBE AND METHOD OF MANUFACTURING THE SAME - Provided is an ultrasonic probe that is capable of easily dissipating heat generated therein using porous carbon allotrope foams. The ultrasonic probe includes: a matching layer; a piezoelectric layer disposed on a bottom surface of the matching layer; and a backing layer disposed on a bottom surface of the piezoelectric layer and formed of porous carbon allotrope foams and backing materials. | 2015-03-05 |
| 20150061466 | ELASTIC WAVE DEVICE - An elastic wave device includes a piezoelectric substrate and an interdigital transducer electrode disposed in a piezoelectric vibrating portion of the piezoelectric substrate to pass through the piezoelectric substrate. | 2015-03-05 |
| 20150061467 | PIEZOELECTRIC PIECE FOR PIEZOELECTRIC VIBRATOR AND MANUFACTURING METHOD THEREOF - The present invention presents a piezoelectric piece for a piezoelectric vibrator and a manufacturing method thereof. The piezoelectric piece for a piezoelectric vibrator in accordance with an embodiment of the present invention includes: a base; and a vibrating arm connected to the base and having a groove formed therein. Here, one surface inside the groove includes: a first slope extended from an upper portion of the groove in a lower direction so as to have a first angle; and a second slope extended from a lower portion of the first slope in a lower direction so as to have a second angle that is greater than the first angle, and a rate of a depth of the first slope for a depth of the groove is greater than or equal to 0.5 and less than or equal to 1. | 2015-03-05 |
| 20150061468 | ELECTRIC MACHINE AND ASSOCIATED METHOD - A method for fabricating a rotor for an electric motor is provided. The method includes the steps of fabricating a first set of rotor parts for use in a motor having a first frame size and fabricating a second set of rotor parts for use in a motor having a second frame size. The second frame size is substantially different from the first frame size. The method further includes the steps of fabricating a third set of rotor parts for use in the motor having the first frame size and for use in the motor having the second frame size, ascertaining the desired motor frame size, and selecting one of the first set of rotor parts and the second set of rotor parts in accordance with desired motor frame size. The method also includes the steps of selecting the third set of rotor parts and assembling a rotor with one of the first set of rotor parts and the second set of rotor parts and with the third set of rotor parts, such that a rotor for use with the desired motor frame size is substantially provided. | 2015-03-05 |
| 20150061469 | SPOT WELDS ALIGNING MOTOR COMPONENTS - Provided herein, is an apparatus that includes a first weld attaching a first motor component and a second motor component, a second weld attaching the first motor component and the second motor component, and a plurality of spot welds along a joint between the first and second weld wherein the plurality of spot welds are configured to align the first motor component and the second motor component. | 2015-03-05 |
| 20150061470 | STATOR FOR ROTATING ELECTRIC MACHINE - A stator includes an annular stator core, a stator coil and at least one protective wall. The stator core has a plurality of slots formed therein. The slots are spaced from one another in a circumferential direction of the stator core. The stator coil is comprised of a plurality of windings mounted on the stator core. The windings are connected in a predetermined manner to form a plurality of connection portions therebetween. The connection portions are located outside the slots of the stator core on one axial side of the stator core. The at least one protective wall is provided radially inside the connection portions of the stator coil so as to shield the connection portions from the radially inside of the stator. | 2015-03-05 |
| 20150061471 | POSITION SENSING TECHNIQUES - An apparatus includes a housing which defines a longitudinal axis; a positioning element which, relative to the housing, translates linearly along the longitudinal axis; and a rotational member which, relative to the housing, rotates about the longitudinal axis as the positioning element translates linearly along the longitudinal axis. The rotational member defines a helix to receive torque from the positioning element as the positioning element translates linearly along the longitudinal axis. The apparatus further includes a first sensor assembly to detect minor angular displacement of the rotational member (e.g., less than 360 degrees). The apparatus further includes a second sensor assembly to detect major angular displacement of the rotational member (e.g., a number of full 360 degree rotations). Such detection is capable of identifying a full angular displacement of the rotational member in response to linear translation of the positioning element from an initial position to a sensed position | 2015-03-05 |
| 20150061472 | SYNCHRONOUS ELECTRIC MACHINES - According to aspects of the present invention there are provided synchronous electric machines including a stationary electromagnetic stator, a rotor having a rotational axis, wherein the rotor includes a cylindrically shaped structure comprising a plurality of concentric layers, and a plurality of permanent magnets disposed on the cylindrical shaped structure. | 2015-03-05 |
| 20150061473 | DAUGHTER CIRCUIT BOARD OF ELECTRONICALLY COMMUTATED MOTOR HAVING INTERFACE SIGNAL CONVERSION FUNCTION - A daughter circuit board of an electronically commutated motor. The daughter circuit board has the function of interface signal conversion and can be plugged into a mother circuit board of a motor controller to match with an interface signal of a user end control system. The daughter circuit board includes an interface unit circuit. The interface unit circuit includes an RS485 interface circuit. The interface unit circuit is integrated on the daughter circuit board. | 2015-03-05 |
| 20150061474 | Product Vending Enclosure - The present invention generally pertains to an enclosure constructed from homopolymer and/or copolymer thermal plastic, preferably polypropylene members and a method of construction therefore. Particularly, such enclosures are utilized in the construction of vending machines, product dispensing machines and the like. The polypropylene members used for the enclosure material are at least partially formed from homopolymer polypropylene, or copolymer polypropylene, or a combination of homopolymer and copolymer polypropylene. | 2015-03-05 |
| 20150061475 | LATCH SYSTEM - A deflection or snap fit type latch system can resist separation in at least three axes. The snap fit type latch system can include a first member and a second member that when engaged are configured to form a snap fit connection, at least one of the members comprising a deflecting arm. A tee feature on the first member can include a stem and a head. A slot on the second member can slidingly receive the stem of the tee feature as the first and second members engage such that the second member is sandwiched between the first member and the head of the tee feature. The snap fit connection can resist separation in a first axis and the combined tee feature and slot resist separation in two additional axes. The snap fit type latch system can be part of an enclosure, such as a storage device. | 2015-03-05 |
| 20150061476 | HOUSING AND HOUSING COMPONENT - There is provided a housing including a first housing part including a first side wall, and a second housing part including a second side wall. The first side wall includes a first protruding part on an inner circumferential surface. The second side wall includes, on an outer circumferential surface, a first concave part into which the first protruding part is fitted. | 2015-03-05 |
| 20150061477 | MOBILE DEVICE CASE - A protective case for housing a mobile device is provided. The protective case includes an upper assembly and a bottom assembly attachable to (and separable from) the upper assembly to form a watertight inner cavity therebetween. The resulting profile (i.e., external shape) of the protective case mirrors that of the mobile device installed therein. More particularly, the protective case generally includes a top surface, a bottom surface, and spaced-apart inner and outer perimeters extending between the top and bottom surfaces. The top surface of the case is made up of or includes the top surfaces of various other components of the case, and those component top surfaces are flush with one another such that the top surface of the case is completely flat (i.e., does not include an obtrusive raised protective rim). | 2015-03-05 |
| 20150061478 | ELECTRONIC DEVICE - An electronic device includes a housing body, a dividing member that divides the housing body into a first compartment and a second compartment, a sealing member that divides the first compartment into a liquid-stopper region and an exterior communication region, one or more heat emitting components disposed in the liquid-stopper region, a fan disposed in the exterior communication region, and a ventilation pathway through which an airflow passes through the dividing member to the second compartment due to driving the fan. | 2015-03-05 |
| 20150061479 | EXTERIOR CASE AND ELECTRONIC DEVICE - An exterior case includes a first member to which a hinge bracket is attached, a fastener portion being a portion of the first member surrounding a hole in the first member, and being thickened in a thickness direction of the first member, a second member that is fixed to the first member and surrounds the fastener portion of the first member, and at least one fastener screw screwed into the hole to fasten the first member and the second member together and to fasten the hinge bracket to the first member. | 2015-03-05 |
| 20150061480 | Piece Of Furniture Having At Least One Drawer Or The Like Provided With Ejecting Means - The piece of furniture ( | 2015-03-05 |
| 20150061481 | DOOR DEVICE CAPABLE OF SWITCHING STATUSES AND STORAGE EQUIPMENT USING THE SAME - The disclosure discloses a door device including a panel, a pivoting arm module, and a door. The pivoting arm module includes a holder and a panel-pivoting arm. The holder is located in a doorway of the panel and fixed to the panel. The holder has an entrance and an accommodating trough. The panel-pivoting arm is slidably accommodated in the accommodating trough and can present a received status or an ejected status relative to the holder. | 2015-03-05 |
| 20150061482 | DOOR MECHANISM AND ELECTRONIC DEVICE THEREWITH - A door mechanism includes a cover, a connecting bracket, a rotary door, a sliding bracket and a sliding button. The sliding button is connected to the sliding bracket. When the sliding button is located at a stopping position, the sliding button contacts against the rotary door for constraining the rotary door from moving in a first direction and the sliding button drives the sliding bracket to a position where the sliding bracket is stopped for constraining the rotary door from pivoting relative to the cover. When the sliding button is located at an unlocking position, the sliding button drives the sliding bracket to a position where the sliding bracket is not stopped and the rotary door can move in the first direction, so that the rotary door can pivot relative to the cover to expose a containing space of a housing. | 2015-03-05 |
| 20150061483 | CABINET DRAWER ASSEMBLY HAVING A DRAWER LOCKING DEVICE - A drawer assembly is disposed in a storage cabinet. The cabinet includes an upright drawer supporting plate. The drawer assembly includes a drawer and a drawer locking device. The drawer locking device includes a retaining unit and a handle unit. The retaining unit includes a stop member connected fixedly to the drawer supporting plate, and a swing arm. An arm body of the swing arm has a hooked free end that is hooked onto the stop member so as to prevent forward movement of the drawer relative to the drawer supporting plate. The handle unit is operable to rotate and remove the hooked free end of the swing arm from the stop member. | 2015-03-05 |
| 20150061484 | REFRIGERATOR - A refrigerator including a first magnet provided at an upper end of a cover of an ice bucket and a second magnet provided at a ceiling of an inner liner. The ice bucket is fixed in a state in which the cover of the ice bucket is in tight contact with a front wall of an ice-making compartment due to magnetically attractive force between the first magnet and the second magnet. | 2015-03-05 |
| 20150061485 | SPARK PLUG - A spark plug includes an insulator having an axial hole, a metal terminal member having an insert portion and a depression formation zone existing on the insert portion and having depressions, and a metallic shell. The spark plug satisfies the following conditions: (1) the insert portion has a length H of 35 mm or more; (2) the depression formation zone has a length F of 13 mm or more; (3) the insert portion has a smooth surface zone on its outer circumferential surface; (4) the ratio (A/B) between diameter A of a forward end of the insert portion and inside diameter B of the insulator measured at the forward end satisfies the relational expression 0.9≦A/B≦0.98; and (5) Vickers hardness of the insert portion measured at the center of a cross section of the insert portion is 150 Hv or more to 350 Hv or less. | 2015-03-05 |
| 20150061486 | SPARK PLUG AND SPARK PLUG ELECTRODE - A spark plug having a shell defining a cavity, an insulator disposed within the cavity, and an electrode at least partially encapsulated by the insulator. The electrode may be formed from a ruthenium (Ru) electrode material having a columnar grain structure. Further, the ruthenium (Ru) electrode material may have a purity greater than 99.90 wt. percentage. | 2015-03-05 |
| 20150061487 | COLD FIELD ELECTRON EMITTERS BASED ON SILICON CARBIDE STRUCTURES - A cold cathode field emission electron source capable of emission at levels comparable to thermal sources is described. Emission in excess of 6 A/cm | 2015-03-05 |
| 20150061488 | FLUORIDE FLUORESCENT MATERIAL AND METHOD FOR PRODUCING THE SAME AS WELL AS LIGHT EMITTING DEVICE USING THE SAME - The present invention provides a method for producing a fluoride fluorescent material, comprising: contacting a fluoride particles represented by the following general formula (I): | 2015-03-05 |
| 20150061489 | YELLOW-GREEN TO YELLOW-EMITTING PHOSPHORS BASED ON TERBIUM-CONTAINING ALUMINATES - Yellow-green to yellow-emitting, lutetium aluminate-based terbium (Tb) containing phosphors for use in white LEDs, general lighting, and LED and backlighting displays are disclosed herein. The phosphor may further contain gadolinium (Gd). In one embodiment of the present invention, the phosphor comprises a cerium-activated, yellow-green to yellow-emitting lutetium aluminate-based phosphor having the formula (Lu | 2015-03-05 |
| 20150061490 | Gas Coupled Arc Chamber Cooling - An ion implantation system, having a temperature controlled ion source chamber is disclosed. The temperature of the ion source chamber is regulated by disposing a heat sink in proximity to the ion source chamber. A gas fillable chamber is disposed between and in physical communication with both the ion source chamber and the heat sink. By controlling the amount of gas, i.e. the gas pressure, within the gas fillable chamber, the coefficient of heat transfer can be manipulated. This allows the temperature of the ion source chamber to be controlled through the application or removal of gas from the gas fillable chamber. This independent temperature control decouples the power used to heat the ion generator from the ion species that are ultimately generated. | 2015-03-05 |
| 20150061491 | LOW PRESSURE LAMP USING NON-MERCURY MATERIALS - A mercury-free low-pressure lamp having a bulb is provided. The bulb includes an emissive material and one or more phosphors. The emissive material includes at least one of an alkali metal or an alkaline earth metal, wherein when the bulb is in a non-operational state, the emissive material condenses into a liquid or solid, and when the bulb is in an operational state the emissive material forms an emitter, the emitter in combination with one or more gases generate photons when excited by an electrical discharge. The one or more phosphors are configured to convert at least a portion of the photons to other visible wavelengths. | 2015-03-05 |
| 20150061492 | ABSOLUTE ACCELERATION SENSOR FOR USE WITHIN MOVING VEHICLES - A communication system for a vehicle comprises a mechanism for sensing a braking of the vehicle and a control device for sending a signal to a headlight activation circuit to modulate the vehicle's headlights based upon the braking of the vehicle. In particular, a headlight of the vehicle is able to be modulated based upon an application of one or both of a front brake and a rear brake. The headlight activation circuit is able to modulate the headlight between an on position and an off position or modulate the headlight between a high beam position and a low beam position. Consequently, the vehicle is better seen as it approaches likely congestion areas such as intersections and slowing or stopped traffic and attempts to enter traffic. | 2015-03-05 |
| 20150061493 | IMAGING SYSTEM AND METHOD FOR FOG DETECTION - An imaging system and method for fog detection are disclosed herein. An imager is configured to image a scene external and forward of a controlled vehicle and to generate image data corresponding to the acquired images. A controller is configured to receive and analyze the image data. When exterior lights of the controlled vehicle are operated in a low beam state, the controller is able to detect light sources of interest in the image data, determine if each light source of interest is a foggy light or a clear light, and generate a first signal if a fog entry condition is satisfied. | 2015-03-05 |
| 20150061494 | PROTECTION CIRCUIT AND METHOD AGAINST INTERFERENCE IN LIGHTING SYSTEMS - A protection circuit for lighting drivers is provided, wherein a lighting driver is coupled to an AC voltage source. The protection circuit comprises a loading circuit, coupled to the AC voltage source and operable to load it with a loading current, and a monitoring and control (M&C) circuit. The M&C circuit is coupled to the AC voltage source for detecting interference pulses thereon and causes the loading circuit to load the AC voltage source with the loading current during a certain loading time starting upon detecting an interference pulse, indiscriminately of the interference pulse polarity. The protection circuit thereby prevents the AC source current from dropping to zero in response to the interference pulse. When the AC voltage source comprises a lighting dimmer, preventing the current from dropping to zero prevents cutout of the lighting dimmer due to an interference pulse that causes a momentary drop of the AC voltage. | 2015-03-05 |
| 20150061495 | EMERGENCY-ACTIVATED NIGHT LIGHT AND METHODS FOR ACTIVATING SAME - An emergency lighting device, having a lighting device housing and power source, includes an illumination circuit powered by the power source. The illumination circuit is configured to trigger a first illumination mode having a first non-zero lumen output responsive to a first condition and a second illumination mode having a second, different, non-zero lumen output responsive to a second condition. In a preferred embodiment, the first non-zero lumen output is lower than the second non-zero lumen output. One or more light sources are retained within the lighting device housing and configured to provide illumination outside of said housing responsive to the first or second illumination mode. Finally, a signal detector retained within the lighting device housing is operative to trigger the second condition responsive to detection of a signal which, in a preferred embodiment is an audible signal such as a fire or smoke alarm signal. | 2015-03-05 |
| 20150061496 | System for Generating High Speed Flow of an Ionized Gas - The invention relates to a system for generating an ion stream which may be useful for various applications. In one application, the ion stream may be used to excite nano-spheres. In another application, the ion stream may be used for sterilization and therapy in accordance with the teachings of the invention. | 2015-03-05 |
| 20150061497 | THREE-WAY LAMP WITH PROGRAMMABLE OUTPUT LEVELS - A lamp including a lamp base having at least three electrical contacts, an optical housing with an LED light source distal from the lamp base, a capper assembly including two or more bias switches accessible by a user located between the lamp base and optical housing , electronic circuitry located within the capper assembly, the electronic circuitry electrically coupled to the three electrical contacts and the LED light source, the electronic circuitry configured to provide a drive current to the LED light source, and the two or more bias switches are user-settable to set the drive current. The electronic circuitry provides at least two different levels of drive current to the LED light source, where the two or more bias switches are configured to control multiple levels of LED light intensity to an individual level. | 2015-03-05 |
| 20150061498 | Temperature Controlled High Output LED Lighting System - A lighting system for providing high intensity lighting may include an LED system and a control system that controls the LED system based on a determined temperature to ensure that a minimum acceptable lighting value is provided at all times while thermally protecting the LED system. The high output lighting system has a lamp or luminaire equipped with the LED system producing a thermally regulated LED lighting system well suited for indoor and/or outdoor lighting applications such as portable and other light towers. | 2015-03-05 |
| 20150061499 | LIGHT GENERATING DEVICE - A light generating device ( | 2015-03-05 |
| 20150061500 | Wireless Daylight and Occupancy Controlled Lighting Control Module and Lighting Apparatus - Disclosed is a means to implement wireless daylight control of light level for a group of lighting fixtures configured to operate in the same light zone, by measuring the amount of natural daylight available in the immediate areas using a photo sensor connected to a wireless control module and wirelessly transmitting the photo sensor output or a derived value based on the photo sensor output. The wireless control can be further supplemented with occupancy control, manual adjustments and automated computerized control of the lighting fixtures configured to operate in the same light zone. | 2015-03-05 |
| 20150061501 | AMBIENT LIGHT SENSOR AND ELECTRONIC SYSTEM HAVING THE SAME - An ambient light sensor includes a photoelectric conversion unit, a current control unit, a signal conversion unit and a comparison unit. The photoelectric conversion unit provides a photo current having a magnitude corresponding to illuminance of incident light to a first node. The current control unit generates a control current exponentially proportional to an elapse time based on a clock signal, provides the control current to the first node, and outputs a digital code corresponding to the elapse time in response to a reset signal. The signal conversion unit generates a comparison voltage logarithmically proportional to a sum of the photo current and the control current. The comparison unit generates the reset signal by comparing a magnitude of the comparison voltage and a magnitude of a reference voltage. The ambient light sensor generates the digital code effectively representing illuminance of ambient light that eyes of a human being perceives. | 2015-03-05 |
| 20150061502 | VISUAL PERCEPTION AND ACUITY DISRUPTION TECHNIQUES AND SYSTEMS - Examples of security lighting routines are tailored to disrupt visual perception and/or acuity so as to significantly reduce the ability of a person or persons, who has breached security, to function within a secured space. A routine triggered in response to a security breach may include a flash at a relatively high intensity, some number of times brighter than normal illumination for the space. Some examples of routines include a warning light and/or a pre-flash light emission such as dim lighting or a flicker, to effectively prepare the person in the space for maximum effectiveness of the flash. Other examples of the routines may also include a post-flash sequence of multiple color light emissions, such as alternating emissions in sequence of pulses of different colors of light using emission and/or off time parameters that vary in an irregular manner. | 2015-03-05 |
| 20150061503 | INTELLIGENT LIGHT EMITTING DIODE (LED) CONTROLLER AND DRIVER - An apparatuses, methods, and systems of light emitting diode (LED) control are disclosed. One embodiment includes an LED control system that includes a sensor unit and a light emitting diode (LED) driver/controller unit. The sensor unit includes a sensor controller and a sensor, wherein the sensor is operative to generate a sensed signal based on at least one of sensed motion or light. The LED driver/controller unit includes an LED driver, and an LED controller. At least one of the sensor controller and the LED controller is operative to generate dimming control of an LED based on at least one of the sensed signal and communication from a network, and adjust a dimming of the LED based on the dimming control. | 2015-03-05 |
| 20150061504 | INTELLIGENT DIMMING LIGHTING - Systems, devices, and techniques are provided for operating a display and/or an illumination source based upon the direction of a user's gaze and/or a desired illumination level in a monitored area. One or more elements may be controlled with sensor input and application lighting preferences. For example, when a user receives a video call, light may be activated to illuminate their face. When the user is looking at the display, the display will be at the brightness necessary for the lighting conditions. When the user looks away from the screen, the screen may dim further and the lighting elements for the desk can brighten. Similarly, embodiments may adjust the lighting in a monitored location based upon lighting levels identified in other areas. | 2015-03-05 |
| 20150061505 | LUMINAIRE RECOGNITION DEVICE, LIGHTING SYSTEM, AND LUMINAIRE RECOGNITION METHOD - A luminaire recognition device in a lighting system having multiple luminaires with a dimming function installed in a predetermined area is configured to be arranged at a predetermined location in an area for associating identification information and installation site of each luminaire. The luminaire recognition device includes a controller configured to control an illuminance of each luminaire through communication, a detector configured to detect a brightness at the predetermined location, a memory configured to store correlation information between a brightness and distance from the predetermined location to each luminaire, and a processor configured to change an illuminance of a luminaire to be searched by a defined amount with the controller, calculate a change in brightness detected by the detector, and recognize the luminaire to be searched among the multiple luminaires, based on the change and the correlation information. | 2015-03-05 |
| 20150061506 | LIGHTING METHODS AND APPARATUS WITH SELECTIVELY APPLIED FACE LIGHTING COMPONENT - Disclosed are methods and apparatus that enable selectively applied face lighting and, optionally, selectively applied task lighting, for example, in daylight-responsive lighting systems and/or therapeutic lighting systems. The face lighting may be selectively provided in a plurality of modes to one or more user segments, and, optionally, only provided to those user segments having a human presence. | 2015-03-05 |
| 20150061507 | LIGHTING SYSTEMS AND METHODS FOR DISPLACING ENERGY CONSUMPTION USING NATURAL LIGHTING FIXTURES - A lighting system for displacing energy is provided. The lighting system includes a light sensor to measure an amount of light provided from the natural lighting fixture to a building environment. The lighting system further includes processing electronics to receive information from the light sensor and to use the received information to determine when the amount of light provided from the natural lighting fixture is sufficient to allow one or more electric lighting fixtures to be turned off or dimmed, the processing electronics causing the one or more electric lighting fixtures to turn off or dim in response to the determination. The processing electronics are further configured to calculate the energy saved from turning off or dimming the one or more lighting fixtures. The lighting system further includes a communications interface configured to transmit the results of the calculation of energy saved from the processing electronics to a second party. | 2015-03-05 |
| 20150061508 | TUNING OF EMITTER WITH MULTIPLE LEDS TO A SINGLE COLOR BIN - The color of an LED-based lamp can be tuned to a desired color or color temperature. The lamp can include two or more independently addressable groups of LEDs associated with different colors or color temperatures and a total-internal-reflection (TIR) color-mixing lens to produce light of a uniform color by mixing the light from the different groups of LEDs. The color of the output light is tuned by controllably dividing an input current among the groups of LEDs. Tuning can be performed once, e.g., during manufacture, and the lamp does not require active feedback components for maintaining color temperature. | 2015-03-05 |
| 20150061509 | SENSORY LIGHTING SYSTEM AND METHOD FOR CHARACTERIZING AN ILLUMINATION SPACE - Disclosed herein is an illumination system including an array of LED light sources for emitting light encoded with a modulation pattern, an array of sensors and a space characterization unit. The array of sensors receives emitted light scattered by an object. Each sensor determines a distance between the corresponding light source and the object using the modulation pattern. The space characterization unit uses the distance from each sensor to generate an elevation map indicating a presence of the object. | 2015-03-05 |
| 20150061510 | SYSTEM FOR OPTIMIZING LIGHT ABSORBANCE AND ASSOCIATED METHODS - A lighting system with adjustable wavelength output that may include a plurality of light sources, a controller positioned in electrical communication with the plurality of light sources, and an optical sensor system positioned in electrical communication with the controller. The controller may be configured to selectively operate each light source of the plurality of light sources to emit one or more source lights. The optical sensor system may be configured to sense a reflected light that is reflected by an object upon which the source lights are incident. The optical sensor system may be configured to sense a wavelength range of the reflected light defined as a measured wavelength range and may further be configured to transmit a signal to the controller responsive to the measured wavelength range. The controller may be configured to operate the plurality of light sources responsive to the signal received from the optical sensor system. | 2015-03-05 |
| 20150061511 | LIGHTING FIXTURES AND METHODS OF COMMISSIONING LIGHTING FIXTURES - In embodiments of the present invention, a method and system is provided for commissioning improved intelligent, LED-based lighting systems. The LED based lighting systems may include fixtures with one or more LED light bars, integrated sensors, onboard intelligence to send and receive signals and control the LED light bars, and network connectivity to other fixtures. | 2015-03-05 |
| 20150061512 | LIGHTING SYSTEM AND SUPPORT APPARATUS - A lighting system includes: a lighting apparatus including a first human detection sensor unit that detects a person in a first detection area, and a light source that turns ON when the first human detection sensor unit detects the person; and a support apparatus including (i) a second human detection sensor unit that detects a person in a second detection area, and (ii) an emission unit that emits, when the second human detection sensor unit detects the person, infrared rays to cause the first human detection sensor unit to react as if the person is present in the first detection area. | 2015-03-05 |
| 20150061513 | MULTICHIP PACKAGE STRUCTURE - A multichip package structure includes a metal substrate, a circuit substrate and a light-emitting module. The metal substrate has a first mirror plane area and a second mirror plane area. The circuit substrate is disposed on the metal substrate. The circuit substrate includes a plurality of first conductive pads, a plurality of second conductive pads, a first passing opening for exposing the first mirror plane area, and a second passing opening for exposing the second mirror plane area. The light-emitting module includes a plurality of light-emitting units disposed on the first mirror plane area. Each light-emitting unit includes a plurality of LED chips disposed on the first mirror plane area. The LED chips of each light-emitting unit are electrically connected between the first conductive pad and the second conductive pad in series. Thus, the heat-dissipating efficiency and the light-emitting effect of the multichip package structure can be increased. | 2015-03-05 |
| 20150061514 | LIGHT EMITTING DIODE DRIVING DEVICE - A LED driving device is electrically connected to a voltage power source and a plurality of LED strings. The LED driving device includes a constant-voltage outputting module, a rectifying unit, and a constant-current controlling unit. The constant-voltage outputting module is electrically connected to the voltage power source and includes a switching unit, a resonant unit, a converting unit, and a power-balancing unit. The resonant unit is electrically connected to the switching unit. The converting unit includes a primary winding, two first secondary windings, and a second secondary winding. The primary winding is electrically connected to the resonant unit. The power-balancing unit includes a balancing converter including two balancing windings electrically connected to the first secondary windings. The rectifying unit is electrically connected to the power-balancing unit and the LED strings, the constant-current controlling unit is electrically connected to the second secondary winding and the LED strings. | 2015-03-05 |
| 20150061515 | LED Lighting system - The invention relates to a LED lighting system comprising a power supply circuit for supplying a LED current, equipped with input terminals (K | 2015-03-05 |
| 20150061516 | LIGHT-EMITTING DIODE LIGHTING SYSTEM - The present application discloses a light-emitting diode (LED) lighting system, including: a toroidal transformer comprising a pair of input terminals and a pair of output terminals; and an illuminant comprising an LED circuit; wherein the illuminant is electrically connected to the pair of output terminals of the toroidal transformer. The present application uses a toroidal transformer to simplify a circuit and reduce the number of electronic parts used. On one hand, a service life of a product can be prolonged, and on the other hand, costs can be reduced and a recycling rate is high, which is beneficial to environmental protection. | 2015-03-05 |
| 20150061517 | Driving Circuit for Driving LED Load - A driving circuit includes a rectifier circuit and a LED driver integrated circuit. The rectifier circuit rectifies an ac power supply into a de power supply. The LED driver integrated circuit includes a regulator circuit, a voltage detector, a buck boost LED driver, and a common ground terminal. The regulator circuit regulates the dc power supply into a regulated voltage. The voltage detector detects whether the regulated voltage meets a voltage requirement and output the regulated voltage when the voltage requirement is met. The buck boost LED driver converts the regulated voltage detected into an output driving voltage according to a remaining voltage at a negative terminal of the LED load to drive the LED load. Voltage potentials at the common ground terminal and at a load ground terminal of the LED load are the same. | 2015-03-05 |
| 20150061518 | LIGHT ADJUSTING DEVICE WITH SWITCHING ELEMENT - A light adjusting device for adjusting the luminance of a light source is provided. The light adjusting device comprises a rectifier module, a first switch element, a second switch element and a control module. The rectifier module receives an AC signal from a first power node and a second power node, and rectifies the AC signal to output a driving signal to the light source. The first switch element is coupled to the first power node. The second switch element is coupled to the second power node. The control module outputs a control signal to the first and second switch elements to control the conduction states of the first and second switch elements. When the first and second switch elements are turned on, the driving signal provided to the light source is interrupted. | 2015-03-05 |
| 20150061519 | Control Apparatus, Control System, and Control Method - According to one embodiment, there is provided a control apparatus including a receiving section, a specifying section, and control sections. The receiving section receives a control signal. The specifying section specifies a control system corresponding to the control signal received by the receiving section. The control sections derive, according to the control system specified by the specifying section, control designated by the control signal received by the receiving section, and apply the derived control to a lighting device. | 2015-03-05 |
| 20150061520 | lamp device and a method for operating a lamp device - According to one embodiment there is provided a lamp device ( | 2015-03-05 |
| 20150061521 | METHOD AND APPARATUS FOR CALCULATING AN AVERAGE VALUE OF AN INACCESSIBLE CURRENT FROM AN ACESSIBLE CURRENT - In a power converter, a circuit determines an average value of an inaccessible current from an average value of an accessible current and a value of the operating duty cycle of the converter. A method of measuring an average value of an inaccessible current from a measured value of a current in a power converter by a duty cycle of a pulse width modulation (PWM) signal representing a duty cycle of the power converter. Coupling a voltage representing the measured value to an input of a low pass filter during a time period (D) and coupling the input of the low pass filter to a reference voltage during a time period (1−D). | 2015-03-05 |
| 20150061522 | METHOD AND APPARATUS FOR CALCULATING AN AVERAGE VALUE OF AN INACCESSIBLE CURRENT FROM AN ACESSIBLE CURRENT - In a power converter, a circuit determines an average value of an inaccessible current from an average value of an accessible current and a value of the operating duty cycle of the converter. A method of measuring an average value of an inaccessible current from a measured value of a current in a power converter by a duty cycle of a pulse width modulation (PWM) signal representing a duty cycle of the power converter. Coupling a voltage representing the measured value to an input of a low pass filter during a time period (D) and coupling the input of the low pass filter to a reference voltage during a time period (1−D). | 2015-03-05 |
| 20150061523 | CAPACITOR STEP-DOWN LED DRIVER AND DRIVING METHOD USING THE SAME - The present disclosure relates to a capacitor step-down LED driver and a driving method using the same. A capacitor step-down LED driver comprises a control circuit and a switching circuit. The control circuit turns on or off the switching circuit in response to an output current and an output voltage of the capacitor step-down LED driver, and thus controls an amount of energy supplied from an input side to an output side. In a first operation state, the switching circuit is controlled not to supply energy from the input side to the output side. In a second operation state, the switching circuit is controlled to supply energy from the input side to the output side. Thus, the output current is maintained to be a value of a desired driving current. | 2015-03-05 |
| 20150061524 | LIGHT-EMITTING DIODE DRIVING APPARATUS AND SEMICONDUCTOR DEVICE - A light-emitting diode driving apparatus including a rectifying circuit, a switching element, a choke coil, an output current sensing circuit, an LED light source, a rectifier diode, a control circuit, and a feedback sensing circuit which is connected to the output current sensing circuit for receiving an output feedback signal output from the output current sensing circuit, wherein the feedback sensing circuit outputs a feedback dummy signal, and outputs to the control circuit a control signal that controls switching of the switching element in response to a signal based on an error between the output feedback signal and the feedback dummy signal. | 2015-03-05 |
| 20150061525 | ILLUMINATION APPARATUS AUTOMATICALLY ADJUSTED WITH TIME - An illumination apparatus which comprises a timing module, a control module and a first power conversion module and can be automatically adjusted with time is provided. The timing module sets the time into N sessions, and generates an i | 2015-03-05 |
| 20150061526 | LIGHT EMITTING COMPONENT AND LIGHT EMITTING DEVICE USING SAME - A light emitting device including a light emitting component is provided, wherein said light emitting comprising an integrated light emitting diode and a semiconductor field effect transistor. The semiconductor field effect transistor may prevent situations such as overheating and voltage instability by controlling a current passing through the light emitting diode as well as enhancing the ability to withstand electrostatic discharge and reducing cost of the light emitting device in multiple aspects. | 2015-03-05 |
| 20150061527 | DRIVING DEVICE, LIGHT-EMITTING DEVICE, PROJECTION DEVICE AND CONTROL METHOD - A driving device is provided with: a power circuit in which it is possible to modify an output current value of an output terminal configured to have a load connected thereto; an output capacitor connected between the output terminal of the power circuit and a reference potential node; a switching element connected between the output terminal of the power circuit and the reference potential node; and a control unit that controls the output current value of the power circuit. | 2015-03-05 |
| 20150061528 | Driver Circuit Using Dynamic Regulation and Related Techniques - An LED driver circuit selects a regulated voltage value for use in driving one or more LEDs based on dimming duty cycle. In some embodiments, the regulated voltage value may be selected in accordance with a function that decreases monotonically with increasing dimming duty cycle. In this manner, LED current accuracy can be achieved at lower dimming duty cycles, while still achieving enhanced operational efficiency at higher dimming duty cycles. | 2015-03-05 |
| 20150061529 | DRIVING CIRCUIT AND DRIVING METHOD FOR LIGHT-EMITTING DIODE - The present invention relates to a driving circuit and a driving method for LED. The driving circuit for LED comprises an inductor used for producing an output current, a power switch coupled to the inductor and used for controlling the inductor to transmit the output current to a plurality of LEDs and drive the plurality of LEDs, an adjusting circuit receiving a PWM signal related to the output current, and a driving unit producing an adjusting impedance value according to the PWM signal. The driving unit generates a switching signal according to the adjusting impedance value. The switching signal switches the power switch and enables the inductor to produce the output current. The driving unit adjusts the frequency of the switching signal according to the adjusting impedance value. | 2015-03-05 |
| 20150061530 | LIGHT SOURCE DRIVING APPARATUS HAVING A SNUBBER TO PREVENT VOLTAGE AND CURRENT SPIKES, DISPLAY APPARATUS AND DRIVING METHOD THEREOF - A light source driving apparatus, a display apparatus and a driving method thereof are disclosed. The light source driving apparatus includes a tapped-inductor boost converter (TIBC) circuit, the TIBC circuit including: a switching unit configured to be turned on and off in accordance with a preset cycle; a tapped inductor configured to transfer a current from a primary side to a secondary side as the switching unit is turned on; and a snubber configured to include a clamp capacitor and clamp diode configured to clamp a voltage of the switching unit, a resonance capacitor configured to perform a resonance as being charged and discharged corresponding to a switching cycle of the switching unit, and first and second resonance diodes configured to charge and discharge the resonance capacitor. Thus, the TIBC circuit provided with the lossless snubber can prevent the voltage stress from increasing during the resonance since the voltage of the switching unit is clamped. | 2015-03-05 |
| 20150061531 | LIGHT SOURCE DRIVING APPARATUS, LIGHT SOURCE DRIVING METHOD, AND DISPLAY APPARATUS - A light source driving apparatus and method of driving a light source are provided. The light source driving apparatus includes a light source configured to generate light, a power source configured to generate power; an inductor which is connected in series between the power source and the light source; a switch which is connected in parallel to the light source and between the inductor and the light source; and a controller configured to turn on the switch at a point of time when a resonance voltage applied between opposite terminals of the switch is zero in a resonance circuit formed by the inductor and the switch after turning off the switch. | 2015-03-05 |
| 20150061532 | HIGH EFFICIENCY LED DRIVING CIRCUIT AND DRIVING METHOD - In one embodiment, an LED driving circuit can include: (i) a sense circuit configured to sense an inductor voltage, and to generate a sense voltage signal; (ii) a protection control circuit configured to activate a first protection control signal in response to a comparison of the sense voltage signal against a first reference voltage to indicate an LED device is in a first load state; (iii) the protection control circuit being configured to activate a second protection control signal in response to a comparison of the sense voltage signal against a second reference voltage to indicate the LED device is in a second load state; and (iv) a PWM control circuit configured to control a power switch according to the first protection control signal or the second protection control signal, based on the load state of the LED device. | 2015-03-05 |
| 20150061533 | LIGHT-EMITTING DEVICE - A light-emitting device in which variation in luminance among pixels is suppressed. The light-emitting device includes a pixel; a first circuit configured to generate a signal containing information on a value of current extracted from the pixel; and a second circuit configured to correct an image signal in accordance with the signal. The pixel includes a light-emitting element; a transistor for controlling supply of the current to the light-emitting element in accordance with the image signal; a first switch configured to control connection between a gate and a drain of the transistor or between the gate of the transistor and a wiring; and a second switch configured to control extraction of the current from the pixel. | 2015-03-05 |
| 20150061534 | Reduction of Harmonic Distortion for LED Loads - Apparatus and associated methods reduce harmonic distortion of a excitation current by diverting the excitation current substantially away from a number of LEDs arranged in a series circuit until the current or its associated periodic excitation voltage reaches a predetermined threshold level, and ceasing the current diversion while the excitation current or voltage is substantially above the predetermined threshold level. In an illustrative embodiment, a rectifier may receive an AC (e.g., sinusoidal) voltage and deliver unidirectional current to a string of series-connected LEDs. An effective turn-on threshold voltage of the diode string may be reduced by diverting current around at least one of the diodes in the string while the AC voltage is below a predetermined level. In various examples, selective current diversion within the LED string may extend the input current conduction angle and thereby substantially reduce harmonic distortion for AC LED lighting systems. | 2015-03-05 |
| 20150061535 | Lighting Device - According to one embodiment, there is provided a lighting device which includes a substrate; a light emitting element which is provided on the substrate; and a resistive element which is provided on the substrate, and is connected to the light emitting element in series, in which a voltage rate of the resistive element when a value of a first voltage which is reduced to half is applied to a first circuit to which the light emitting element and the resistive element are connected in series becomes equal to or smaller than 25% of a voltage rate of the resistive element when the first voltage is applied to the first circuit. | 2015-03-05 |
| 20150061536 | SYSTEMS AND METHODS FOR LOW-POWER LAMP COMPATIBILITY WITH A TRAILING-EDGE DIMMER AND AN ELECTRONIC TRANSFORMER - In accordance with embodiments of the present disclosure, an apparatus may comprise a controller to provide compatibility between a load and a secondary winding of an electronic transformer. The controller may be configured to operate a single-stage power converter in a first power mode for a first period of time, such that the single-stage power converter is enabled to transfer energy from the secondary winding to the load during the first power mode and operate the single-stage power converter in a second power mode for a second period of time prior to the first period of time, such that the single-stage power converter is enabled to transfer energy from the secondary winding to the load during the second power mode, wherein the first power mode and the second power mode occur within a half-line cycle of an electronic transformer secondary signal present on the secondary winding. | 2015-03-05 |
| 20150061537 | OPTOELECTRONIC DEVICE - An optoelectronic device includes a driving transistor, a correction transistor, and a control circuit. The driving transistor adjusts a first current from a power supply based on a voltage stored in a first capacitor. The driving transistor supplies the adjusted first current to the light-emitting element. The correction transistor is electrically connected on a path of a second current flowing from the power supply to the first capacitor, and adjusts the second current based on a voltage stored in a second capacitor. The control circuit controls the second capacitor to store a gray scale voltage while the first current flows, and controls flow of the second current to update the voltage stored in the first capacitor while the first current is blocked. | 2015-03-05 |
| 20150061538 | DRIVE CIRCUIT, DISPLAY DEVICE, AND DRIVE METHOD - A drive circuit for a light emitting element which can correct a threshold voltage of a drive transistor between two reference voltages without a reset power supply. The drive circuit includes a light emitting element, a drive transistor for controlling an amount of current, a first switching element that is arranged between the light emitting element and the drive transistor, a second switching element that is arranged between the drive transistor and the second reference voltage, a third switching element that is arranged between a gate, and one of a source and a drain of the drive transistor, a fourth switching element that is connected to the other of the source and the drain of the drive transistor, and controls input of signal voltage, and a first capacitor connected to the gate of the drive transistor. | 2015-03-05 |
| 20150061539 | ELECTRONIC DEVICE, COMPUTER PROGRAM PRODUCT, AND CONTROL SYSTEM - According to one embodiment, an electronic device includes an input display controller, a converter, a transmitter. The input display controller displays a setting area for setting one or more control parameters with respect to lighting control of a lighting device on a display and to accept a touch operation on the setting area. The converter converts position coordinates of the touch operation on the setting area into the one or more control parameters corresponding to the position coordinates. The transmitter transmits a control command indicative of the one or more control parameters to the lighting device and to transmit, when the touch operation is continuously performed for a first duration, a first control command indicative of one or more first control parameters corresponding to the position coordinates of the touch operation continuously performed for the first duration to the lighting device at a first transmission interval. | 2015-03-05 |
| 20150061540 | DC-DC CONVERTER AND ORGANIC LIGHT EMITTING DISPLAY DEVICE INCLUDING THE SAME - An organic light emitting display device includes a DC-DC converter to supply first and second voltages to one or more pixels. The DC-DC converter includes a first voltage supply to convert an input voltage to a first voltage and a second voltage supply to convert the input voltage to a second voltage. The first and second voltages are coupled to opposing ends of the one or more pixels. The first voltage supply includes a first inductor between a first input terminal and first node, a first transistor between the first node and a reference potential, a second transistor between the first node and first output terminal, a first diode between the first node and a second node, a second diode between the second node and first output terminal, and a first switch between the second node and first output terminal. | 2015-03-05 |
| 20150061541 | LIGHTING SYSTEM INCLUDING NEAR FIELD COMMUNICATION CONTROLLER - An environmental control system such as an illumination system includes one or more LED lighting devices or other environmental factor control devices and a control device for controlling one or a combination of the LED lighting devices or other environmental factor control devices. A remote controller for remotely setting control content, control parameters and the like can be communicatively coupled (e.g., wirelessly) to the control device. The remote controller can be a smartphone or other device that includes an LED lighting control or other environmental control module or unit for setting one or more properties or parameters of a control target lighting/environmental device using near field communications. Properties and functions controlled by the remote controller can include timers, spectral content, intensity, etc. that are programmed by a user employing a simple application (e.g., featuring a GUI or other user-friendly interface). | 2015-03-05 |
| 20150061542 | Linear Solid-State Lighting With Ballast Free Of Electric Shock Hazard - A linear light-emitting diode (LED)-based solid-state lamp using an AC current control scheme and shock protection switches operates normally with an electronic ballast. Due to the use of shock protection switches in the two lamp bases at two opposite ends, the ballast-compatible LED lamp fully protects a person from possible electric shock during initial installation, maintenance, and re-lamping no matter what the rated power and the brand of the LLT lamp are and no matter whether the electronic ballast is existing used ones that may be incompatible with the lamp or faulty, leading to an unacceptable leakage current. | 2015-03-05 |
| 20150061543 | METHODS FOR DRIVING AN LED LIGHTING DEVICE AND CIRCUITS THEREOF - A method for driving an LED lighting device includes receiving an input voltage from a battery unit and converting the input voltage into a driving current to drive the LED lighting device. The method further includes detecting whether the battery unit is in a low battery state. When the low battery state of the battery unit is detected, the driving current is reduced. | 2015-03-05 |
| 20150061544 | DRIVING DEVICE, LIGHT-EMITTING DEVICE, PROJECTION DEVICE, CONTROL METHOD, AND STORAGE MEDIUM - A driving device includes: a power source circuit that converts inputted power to a constant voltage or constant current power, and outputs this converted power; a driver circuit that supplies the power outputted by the power source circuit to a load; and a control unit that receives the voltage or current of the power outputted by the power source circuit, calculates a value by multiplying a control gain by a difference of the detected value and a constant target value, and outputs a feedback signal based on this calculated value to the power source circuit, thereby performing feedback control on the power source circuit, the control unit raising the control gain when the voltage or current of the power outputted by the driver circuit is changed. | 2015-03-05 |
