16th week of 2013 patent applcation highlights part 15 |
Patent application number | Title | Published |
20130093246 | APPARATUS AND METHOD FOR COMMUNICATING DATA AND POWER WITH ELECTRONIC DEVICES - A system, topology, and methods for providing power or data to electronic devices are described generally herein. Other embodiments may be described and claimed. The system may include an internal power source, charging module, modem, and an external power coupling module. | 2013-04-18 |
20130093247 | Apparatus and method for modulating supply for a power amplifier - An apparatus and method for improving the efficiency of a power supply modulator for modulating a supply voltage of a power amplifier are provided. The apparatus for generating a supply voltage includes a Switching Mode Power Supplier (SMPS) module for generating a current of a power supply signal, and a linear regulator for generating a source current for supplementing an insufficient amount of the current generated by the SMPS module and a sink current for eliminating an excessive amount of the current generated by the SMPS module. The SMPS module generates the current of the power supply signal by selecting at least one of a plurality of power supplies that have different voltages according to a voltage level of an input signal of the SMPS module. | 2013-04-18 |
20130093248 | INDUCTOR-BASED ACTIVE BALANCING FOR BATTERIES AND OTHER POWER SUPPLIES - A system includes multiple power supplies connected in series and an active balancing circuit. The active balancing circuit includes an LC resonance circuit and multiple switches configured to selectively couple different ones of the power supplies to the LC resonance circuit. The LC resonance circuit includes an inductor, a capacitor, and an additional switch. The inductor is configured to store energy to be transferred between two or more of the power supplies. The additional switch is configured to selectively create a resonance between the inductor and the capacitor in order to reverse a direction of a current flow through the inductor. The active balancing circuit can transfer energy between individual power supplies or groups of power supplies. | 2013-04-18 |
20130093249 | AUTO-SWITCHING DUPLEX MODULE - A system and method (“utility”) for providing power to an electrically powered device from alternate, redundant power sources via a single power cord. The utility is operable to provide redundant power to an electrical device having a power cord terminating in a standard plug. The utility is operable to sense a loss of power quality from one power source, and to switch a connection to another power source in response to the loss. The utility may be configured to match the form factor of a standard (e.g., NEMA or other electrical standard) duplex receptacle unit. The utility may be incorporated into a standard outlet box or may plug into a standard outlet box. | 2013-04-18 |
20130093250 | SYSTEM AND METHOD FOR OPERATING A POWER CONVERSION SYSTEM IN A CURTAILED MODE - A power management system comprising a processor is provided. The power management system obtains maximum operating capacities of the power converters over time while in the curtailed mode and uses at least some of the maximum operating capacities for determining and commanding an adjusted operating capacity of at least one of the power converters to maintain a substantially constant level of output power. | 2013-04-18 |
20130093251 | REGULATOR DEVICE - A regulator device includes: a plurality of regulators that are equipped in parallel between a power input terminal and a power output terminal and converts a power inputted from the power input terminal to output to the power output terminal; a dummy load circuit that is coupled to a power output system different from a power output system to the respective power output terminal of the plurality of regulators; a selector that selects a regulator to carry out an output to the power output terminal and a regulator to carry out an output to the dummy load circuit among the plurality of regulators; and a controller that obtains conversion efficiency characteristic information representing a characteristic of power conversion efficiency relative to a current flowing in the dummy load circuit for the regulator to carry out an output to the dummy load circuit. | 2013-04-18 |
20130093252 | COUNTER WOUND INDUCTIVE POWER SUPPLY - A contactless power supply is provided. The contactless power supply includes two or more primary coils for generating a region of cooperative magnetic flux generally therebetween. A portable device having a secondary coil can be positioned proximate this region of magnetic flux to receive wireless power from the contactless power supply. The spaced-apart primary coils can be wound in alternating directions about a common axis and driven in phase, or can be wound in a single direction about a common axis and driven approximately 180 degrees out of phase. The contactless power supply can include a plurality of primary coils in an adjustable array to accommodate multiple portable devices each with different secondary configurations and power consumption needs. | 2013-04-18 |
20130093253 | COUNTER WOUND INDUCTIVE POWER SUPPLY - A contactless power supply is provided. The contactless power supply includes two or more primary coils for generating a region of cooperative magnetic flux generally therebetween. A portable device having a secondary coil can be positioned proximate this region of magnetic flux to receive wireless power from the contactless power supply. The spaced-apart primary coils can be wound in alternating directions about a common axis and driven in phase, or can be wound in a single direction about a common axis and driven approximately 180 degrees out of phase. The contactless power supply can include a plurality of primary coils in an adjustable array to accommodate multiple portable devices each with different secondary configurations and power consumption needs. | 2013-04-18 |
20130093254 | WIRELESS POWER FEEDER AND WIRELESS POWER TRANSMISSION SYSTEM - A feeding coil circuit | 2013-04-18 |
20130093255 | WIRELESS POWER TRANSMITTER - A wireless power transmitter according to an embodiment includes a coil and a capacitor which resonate with a wireless power receiver. The coil includes a plurality of cell groups and a core which connects the cell groups with each other. Each of the cell groups includes a plurality of cells. Each of the cells is configured such that magnetic field generated by currents flowing through the cells are formed in a same direction. Each of the cell groups is adjacent to at least one cell group. Each of the cell groups and the core are configured as one conductive wire. | 2013-04-18 |
20130093256 | Modulation Circuit and Method - The present invention provides a modulation circuit and a method for modulating a wireless power transfer circuit. The modulation circuit has a switching circuit having a first state and a second state. The modulation circuit also has a modulation mode in which the first state defines a normal state and the second state defines an operative state. In the operative state, the modulation circuit modulates an electrical parameter of the wireless power transfer circuit in a modulation direction. The modulation circuit is configured to apply a trial modulation to the electrical parameter to determine whether the modulation direction is in a desired modulation direction. The modulation circuit is also configured to apply a modulation translation if the modulation direction is not in the desired modulation direction, with the modulation translation changing the modulation mode such that the modulation direction is in the desired modulation direction. | 2013-04-18 |
20130093257 | METHOD FOR DETECTING METAL FOREIGN OBJECT IN CONTACTLESS POWER SUPPLY SYSTEM, CONTACTLESS POWER SUPPLY DEVICE, POWER RECEPTION DEVICE, AND CONTACTLESS POWER SUPPLY SYSTEM - A contactless power supply system includes a power supply areas, each provided with a primary coil and a primary authentication coil. The primary coil and primary authentication coil are arranged at different locations. An electric appliance includes a power reception area provided with a secondary coil and a secondary authentication coil. The secondary coil and the secondary verification coil are arranged at different locations. The presence of a metal foreign object is detected between the primary coil and secondary coil based on a transmission oscillation signal generated by the primary coil, and the presence of a metal foreign object is detected between the primary authentication coil and secondary authentication coil based on an authentication oscillation signal generated by the primary authentication coil. | 2013-04-18 |
20130093258 | ELECTRONIC DEVICE AND WIRELESS POWER RECEIVER EQUIPPED IN THE SAME - A wireless power receiver for receiving power from a wireless power transmitter using resonance according to the embodiment includes a reception resonant coil resonance-coupled with a transmission resonant coil of the wireless power transmitter for receiving the power, a reception induction coil coupled with the reception resonant coil for receiving the power, and a connecting unit, and the reception resonant coil includes at least one conductive line having one end and an opposite end being open with each other, and the connecting unit couples the one end and the opposite end of each conductive line with each other so that the reception resonant coil forms a closed loop. | 2013-04-18 |
20130093259 | INDUCTIIVE POWER SUPPLY SYSTEM - A power supplying device ( | 2013-04-18 |
20130093260 | SAFETY DEVICE - The present invention relates to a downhole safety device ( | 2013-04-18 |
20130093261 | SYSTEM FOR HARVESTING ATMOSPHERIC ELECTRICITY - Systems, methods and apparatus for harvesting atmospheric electricity are provided. The system includes a laser configured to form a plasma filament and a collector configured to collect electricity flowing along the plasma filament. The plasma filament comprises an electrically conducting plasma filament. Atmospheric electricity may be collected by having the plasma filament form at least a part of a conducting path: (1) between ground and a cloud, (2) between differently charged regions of the same cloud, (3) between differently charged regions of different clouds, and (4) between different regions of atmosphere, where there is a vertical voltage gradient. When the plasma filament is not long enough to form the entire conducting path, a lightning may be triggered to complete the conducting path needed to collect atmospheric electricity. | 2013-04-18 |
20130093262 | CONNECTOR MODULE AND PROCESSOR MODULE USING SAME - A connector module for providing power to a processor. The connector module includes a connector for accommodating the processor, an inverter, and a control chip. Both the converter and the control chip are set on the connector. The control chip is connected to the converter for converting an external power into at least one driving voltage adapted to the processor. | 2013-04-18 |
20130093263 | POWER SUPPLY EQUIPMENT PROVIDING A DATA SIGNAL, IDENTIFICATION INFORMATION AND POWER TO AN ELECTRONIC DEVICE - Power supply equipment includes an adapter to convert power from a power source to a DC power for powering an electronic device. The adapter includes circuitry for producing an analog data signal for use by the electronic device to control an amount of power drawn by the device. A cable has an output connector with a plurality of conductors to transfer the DC power and the analog data signal to the electronic device. The connector further includes circuitry to receive a data request from the electronic device and in response transmit a data output which identifies the power supply equipment to the electronic device. | 2013-04-18 |
20130093264 | Linear Motor and Positioning Apparatus - The present invention provides a linear motor where a load onto a supporting mechanism and the ripple of force are lessened and the ripple can be adjusted. As a leakage flux between the magnetic poles can be reduced by being configured by plural magnetic poles arranged with a magnet arranged on a mover held between them, a core that continuously connects the magnetic poles that holds the magnet of the mover between them, windings are integrally wound onto the plural magnetic poles and the mover formed by a row of magnets the magnetic poles of which are alternately arranged or a row of magnets the polarity of which is alternately arranged and magnetic materials, by arranging the plural magnetic poles arranged with the magnet held between and the plural magnetic poles provided with the core that continuously connects the magnetic poles. | 2013-04-18 |
20130093265 | MINIMIZATION OF TORQUE RIPPLE - An electric motor including: a first and second linear actuator, each linear actuator including a first and second coil respectively, a rotational shaft, a cam assembly mounted on the rotational shaft for translating linear movement of the two linear actuators to rotational movement of the rotational shaft, a controller programmed to generate during operation a first and second drive signal for first coil and second coil respectively, wherein the first drive signal causes the first linear actuator to generate a first torque on the rotational shaft that varies periodically over a complete rotation of the shaft and the second drive signal causes the second linear actuator to generate a second torque on the rotational shaft that varies periodically over a complete rotation of the shaft, and wherein the sum of the first and second torques produces a total torque that is substantially constant throughout the complete rotation of the shaft. | 2013-04-18 |
20130093266 | LINEAR VIBRATOR AND METHOD OF MANUFACTURING THE SAME - There is provided a linear vibrator including a case including a cylindrical sidewall part forming a sidewall thereof and a cover coupled to one end of the sidewall part, and an elastic member including at least one connection protrusion and connected to the case while the connection protrusion is interposed between the sidewall part and the cover. | 2013-04-18 |
20130093267 | DRIVE UNIT FOR A WINDSCREEN WIPER DEVICE IN A VEHICLE AND HOUSING FOR A DRIVE UNIT - The invention relates to a drive unit ( | 2013-04-18 |
20130093268 | PERMANENT-MAGNET STEPPING MOTOR - A stepping motor uses a low-cost ferrite magnet instead of an expensive rare-earth magnet. The stepping motor has characteristics equivalent or superior to those of a conventional stepping motor. The stepping motor is provided with a rotor | 2013-04-18 |
20130093269 | SWITCHED RELUCTANCE MOTOR - Disclosed herein is a switched reluctance motor in which a shaft of the motor and a shaft of a load are aligned with each other so that maximum torques of the motor and the shaft coincide with each other. | 2013-04-18 |
20130093270 | HIGH TEMPERATURE ENVIRONMENT CAPABLE MOTOR CONTROLLER - A motor controller for use in an environment at a high maximum environmental temperature comprises an insulated chassis, a high-temperature capable electronic component, a low-temperature capable electronic component, and a heat pump. The high-temperature capable electronic component is rated for temperatures higher than the environmental temperature, whereas the low-temperature capable electronic component is rated for temperatures lower than the maximum environmental temperature. The insulated chassis has a finned surface to which the high-temperature capable electronic component is mounted. The low-temperature capable electronic component is attached to or integrated into a printed wiring board supported inside the insulated chassis by the thermally conductive posts. The heat pump is configured to draw heat from the low-temperature capable electronic component through the thermally conductive posts and a thermal spreader abutting the heat pump, and to expel heat into the finned surface of the insulating chassis. | 2013-04-18 |
20130093271 | ELECTRIC DEVICE DRIVE ASSEMBLY AND COOLING SYSTEM FOR ELECTRIC DEVICE DRIVE - Drive assemblies for electric devices, such as vehicles, include an electric motor that includes a rotor assembly and a stator assembly positioned within the rotor assembly. The stator assembly is fixed to a stationary axle and includes a pole and a coil around the pole. The rotor assembly includes a housing to which a plurality of magnets are attached. The rotor assembly is supported on the stationary axle by bearings. A drive mechanism, such as a sprocket, pulley or gear is provided on the housing of the rotor assembly and rotates with the housing. In various embodiments, the stationary axle includes an internal bore for receiving coolant, a longitudinal rib within the internal bore, and longitudinal channels in its outer surface. | 2013-04-18 |
20130093272 | ROTARY ELECTRIC MACHINE - A rotary electric machine according to embodiments includes a tubular motor frame, a tubular motor cover, and a cooling fan. The motor frame includes therein a stator and a rotor. The motor cover houses the motor frame and includes a suction hole for cooling air at its counter-load side and an exhaust hole at its load side. Herein, the exhaust hole turns the exhaust direction of the cooling air to the counter-load side. The cooling fan sucks the cooling air from the suction hole into the motor cover and exhausts the cooling air from the exhaust hole to the outside of the motor cover. | 2013-04-18 |
20130093273 | ROTARY ELECTRIC MACHINE - A rotary electric machine includes a rotor, a stator having coils wound to surround the rotor, a cylindrical ring member fixedly mounted on the stator by shrinkage fitting, and a frame disposed on the outside of the ring member with a gap created in between. The distance of the gap varies as a result of thermal expansion of the stator and the ring member. An outer surface of the ring member goes into contact with the frame when the stator and the ring member thermally expand, whereby the stator and the ring member are efficiently cooled. | 2013-04-18 |
20130093274 | INTERCHANGEABLE STATOR FOR ELECTROMAGNETIC RETARDER AND ELECTROMAGNETIC RETARDER EQUIPPED WITH SUCH A STATOR | 2013-04-18 |
20130093275 | DOUBLE-STATOR/DOUBLE-ROTOR TYPE MOTOR AND DIRECT DRIVE APPARATUS FOR WASHER USING SAME - Provided are a double-stator/double-rotor type motor, in which a double rotor is disposed between an inner stator and an outer stator so as to face the inner stator and the outer stator and form a magnetic circuit with a shortened magnetic path with respect to each of the inner stator and the outer stator, to thereby promote efficiency of the motor, and in which magnets are mounted on inner and outer circumferential surfaces of a back yoke, and a direct drive apparatus for a washing machine using the double-stator/double-rotor type motor. The double-stator/double-rotor type motor includes: a rotor including a first permanent magnet mounted on an inner circumferential surface of a back yoke and a second permanent magnet mounted on an outer circumferential surface of the back yoke; an inner stator that faces the first permanent magnet with a first air gap, to generate a first magnetic field that rotates the rotor; and an outer stator that faces the second permanent magnet with a second air gap, to generate a second magnetic field that rotates the rotor. | 2013-04-18 |
20130093276 | DOUBLE-STATOR/DOUBLE-ROTOR TYPE MOTOR AND DIRECT DRIVE APPARATUS FOR WASHER USING SAME - Provided are a double-stator/double-rotor type motor, and a direct drive apparatus for a washing machine using the double-stator/double-rotor type motor, in which a nonmagnetic material is provided between inner and outer stators so as to form dual magnetic circuits that are respectively separated for an inner rotor and an outer rotor, and a double stator is disposed between an inner rotor and an outer rotor so as to separably form a magnetic circuit with a shortened magnetic. | 2013-04-18 |
20130093277 | ROTATING ELECTRICAL MACHINE - The rotating electrical machine of the present invention includes: a magnet holder made of a non-magnetic material, which is formed by coupling a columnar portion for retaining the permanent magnet in a circumferential direction, and an annular portion for covering each axial side surface of the permanent magnet. The magnet holder includes, on an outer diameter side of both circumferential side surfaces of the columnar portion, engaging portions which engage with respective locking portions of the magnet cover, and includes, on an inner diameter side of each of both the circumferential side surfaces of the columnar portion, an extending portion extending along an inner peripheral surface of the magnet cover with a clearance (D) with respect to the inner peripheral surface of the magnet cover. | 2013-04-18 |
20130093278 | ROTATIONAL KINETIC ENERGY OUTPUT DEVICE - A rotational kinetic energy output device comprises a housing component, a rotational component and a magnetism generating component. The rotational component includes a rotational body pivotally connected to the housing component, and the rotational body has at least one magnetic element. The magnetism generating component includes a plurality of magnetizers and coils wound on the magnetizers, the magnetizers are disposed in the housing component and surround the rotational body. Each of the magnetizers has a first magnetic arm and a second magnetic arm extended respectively toward the rotational body, and the rotational body is disposed between the first magnetic arm and the second magnetic arm. Thereby, the rotational kinetic energy output device allows a force to be balancedly exerted on the rotational body and a thin shape is also achieved. | 2013-04-18 |
20130093279 | ROTOR OF ROTARY ELECTRIC MACHINE - Provided is a rotor of a rotary electric machine comprising: a shaft which is a rotary shaft; a laminated core which has a permanent magnet embedded therein and is press-fitted to the shaft; a first member which is a magnetic member and is press-fitted to the shaft so as to hold an end portion of the laminated core; a second member which is a nonmagnetic member and is provided between the end portion of the laminated core and the first member so as to hold an end portion, with respect to the axial direction of the shaft, of the permanent magnet; and at least one of a first gap between the first member and the second member, and a second gap between the laminated core and the second member. | 2013-04-18 |
20130093280 | MULTI-FILAR BAR CONDUCTORS FOR ELECTRIC MACHINES - A multi-filar conductor for an electric machine includes a first solid core and a second solid core. The first and second solid cores directly contact each other along a bare interface. An insulation layer surrounds the first and second solid cores. However, the insulation layer does not pass through the bare interface, such that there is no insulation between the first solid core and the second solid core. | 2013-04-18 |
20130093281 | BAR CONDUCTOR SHAPES FOR ELECTRIC MACHINES - A conductor is provided for an electric machine having an axis, a radial direction extending outward from the axis, and a tangential direction perpendicular to the radial direction. The conductor includes a solid core, having radial faces substantially perpendicular to the radial direction of the electric machine and tangential faces substantially perpendicular to the tangential direction of the electric machine. At least one tangential depression is formed on at least one of the tangential faces. The tangential depression creates a tangential void within a rectangular envelope defined by the solid core. Therefore, the surface area of the solid core is greater than the surface area of the rectangular envelope. | 2013-04-18 |
20130093282 | CAST ROTOR AND METHOD - A method for forming a rotor assembly including a cast rotor frame includes positioning a preheated rotor core defining a plurality of passages in a mold cavity such that the mold cavity and the rotor core define the rotor frame including a plurality of conductor bars defined by the plurality of passages in fluid communication with first and second end portions of the mold cavity. Molten metal is quiescently introduced into the mold cavity through an ingate and simultaneously flowed through the plurality of passages prior to filling at least one of the first and second end portions of the mold cavity to form the cast rotor frame. Entrained air and impurities may be displaced from the passages by the flow of molten metal and vented or entrapped by a biscuit. The rotor frame and conductor bars thus formed may be characterized by high conductivity, negligible porosity, and minimal oxides. | 2013-04-18 |
20130093283 | SPINDLE MOTOR - Disclosed herein is a spindle motor. The spindle motor uses a general (non neodymium) permanent magnet rather than a neodymium magnet as a permanent magnet and compensates for a reduced counter electromotive force (B-EMF) value by allowing the center of a connection part formed in a round shape between poles around which coils are wound to be different from that of a core to increase a coil inductance value, thereby making it possible to easily sense and control a rotation state of the spindle motor. | 2013-04-18 |
20130093284 | ROTOR OF ELECTRIC ROTATING MACHINE - The waveform of a magnetomotive force generated by a rotor is comprised of a plurality of sections that respectively correspond to a plurality of magnetic poles of the rotor. When viewed along the axial direction of a rotor core, each of the sections of the waveform includes two oblique lines and a connection line. Each of the oblique lines extends from a 0 reference line, which is defined by an outer peripheral surface of the rotor core, obliquely with respect to a radial direction of the rotor core. The connection line connects the two oblique lines in the circumferential direction of the rotor core. Moreover, representing the circumferential width of the connection line by 2π·Duty, the circumferential width of the oblique lines by 2π·Slope, the radial height of the oblique lines by B, the order of a harmonic component of the magnetomotive force by n, and the amplitude of the nth harmonic component by Amp | 2013-04-18 |
20130093285 | STATOR CORE RETENTION CYLINDER FOR ELECTRIC MACHINERY - An electric machine system includes a rotor core, a stator core disposed about the rotor core, an electric machine housing coupled to the stator core, a holding-cylinder disposed between the electric machine housing and the stator core, a first flange coupled to the electric machine housing at a first end of the holding-cylinder and a second flange coupled to the electric machine housing at an opposite end of the holding-cylinder. | 2013-04-18 |
20130093286 | BRUSH SYSTEM FOR BRUSH MOTOR DESIGN - A brush system for a brush motor design for an electric power steering system is provided. The brush motor includes a commutator rotatable about an axis, a brush guide positioned about the commutator, at least one brush disposed in the brush guide and positioned proximate to a radially outer edge of the commutator and a spring supported by the brush guide urging the at least one brush into contact with the commutator. The at least one brush includes a contact end having at least one flat portion configured to contact the commutator. | 2013-04-18 |
20130093287 | THREE-ELECTRODE LINEAR AND BENDING POLYMERIC ACTUATOR - A polymeric actuator includes a first and a second electrode layer ( | 2013-04-18 |
20130093288 | THERMALLY OXIDIZED SEED LAYERS FOR THE PRODUCTION OF TEXTURED ELECTRODES AND PZT DEVICES AND METHOD OF MAKING - A method for forming an electrical device having a {100}-textured platinum electrode comprising: depositing a textured metal thin film onto a substrate; thermally oxidizing the metal thin film by annealing to convert it to a rocksalt structure oxide with a {100}-texture; depositing a platinum film layer; depositing a ferroelectric film. An electrical device comprising a substrate; a textured layer formed on the substrate comprising metal oxide having a rocksalt structure; a first electrode film layer having a crystallographic texture acting as a template; and at least one ferroelectric material layer exhibiting spontaneous polarization epitaxially deposited on the first electrode film layer whereby the rocksalt structure of the textured layer facilitates the growth of the first electrode film layer with a {100} orientation which forms a template for the epitaxial deposition of the ferroelectric layer such that the ferroelectric layer is formed with an {001} orientation. | 2013-04-18 |
20130093289 | SIZE-CONTROLLABLE OPENING AND METHOD OF MAKING SAME - A support structure includes an internal cavity. An elastic membrane extends to divide the internal cavity into a first chamber and a second chamber. The elastic membrane includes a nanometric-sized pin hole extending there through to interconnect the first chamber to the second chamber. The elastic membrane is formed of a first electrode film and a second electrode film separated by a piezo insulating film. Electrical connection leads are provided to support application of a bias current to the first and second electrode films of the elastic membrane. In response to an applied bias current, the elastic membrane deforms by bending in a direction towards one of the first and second chambers so as to produce an increase in a diameter of the pin hole. | 2013-04-18 |
20130093290 | Stylo-Epitaxial Piezoelectric and Ferroelectric Devices and Method of Manufacturing - A ferroelectric device comprising a substrate;
| 2013-04-18 |
20130093291 | METHOD FOR ADJUSTING PIEZOELECTRIC/ELECTROSTRICTIVE DEVICE - There is provided a method for testing a piezoelectric/electrostrictive actuator, wherein the displacement of a piezoelectric/electrostrictive actuator is estimated on the basis of the relations between one or more frequency characteristic values selected from the group consisting of the heights and areas of the peaks of the resonance waveforms and the difference of the maximum and minimum of the first order or first to higher orders of the resonance frequency characteristic values of the piezoelectric/electrostrictive actuator and the k-th order (k=1 to 4) of the first or first to higher orders of resonance frequencies. According to this piezoelectric/electrostrictive actuator testing method, a piezoelectric/electrostrictive actuator can be tested with high precision without actually driving the same as a product and without being accompanied by any disassembly/breakage. | 2013-04-18 |
20130093292 | FAN MODULE | 2013-04-18 |
20130093293 | Hybrid electric motor - The invention is an efficient electric motor which has fixed permanent and electromagnets in the stator with fixed permanent magnets in the rotor. An electronic Pulse Width Modulator (PWM) controller manages the flow of electric power to the electromagnets of the stator. Infrared sensors and Hall sensors provide the controller with the precise location of the rotor thus allowing the controller to provide the maximal electromagnetic forces to provide increased efficiency for the present electric motor. The present inventive motor is useful in an electric automobile or household use. | 2013-04-18 |
20130093294 | INTEGRATED HIGH FREQUENCY ROTARY TRANSFORMER AND RESOLVER FOR TRACTION MOTOR - An integrated rotary transformer and resolver and a motor including an integrated rotary transformer and resolver is provided. The integrated rotary transformer and resolver may include, but is not limited to, a stator having an outer surface and a plurality of slots disposed along the outer surface, a plurality of sensing coils, the plurality of sensing coils disposed in at least some of the plurality of slots, a rotor having a surface varying from a first predetermined thickness to a second predetermined thickness, and a controller electrically coupled to the plurality of sensing coils and configured to determine a position of the rotor based upon a voltage induced in each of the coils due to a relative thickness of the rotor opposed to the respective sensing coil. | 2013-04-18 |
20130093295 | Direct Current Brushless Motor - A motor includes a frame, a shaft rotatably mounted onto the frame, and at least one disc mounted onto the shaft. At least one permanent magnet is mounted on the disc, and at least one electromagnet and at least one coil are mounted to the frame in rotational magnetic proximity to the permanent magnet. A battery is connectable to the electromagnet and the coil for energizing the electromagnet and for receiving electrical current from the coil for charging the battery. A relay switch controls the transmission of electrical power from the battery to the electromagnet. A sensor generates a signal to the relay switch to activate electrical power to the electromagnet upon sensing that the permanent magnet is positioned with respect to the electromagnet such that a magnetic force generated by the electromagnet would be effective for inducing movement of the permanent magnet and consequent rotation of the disc. | 2013-04-18 |
20130093296 | METHODS AND APPARATUS FOR REDUCING SIZE AND COSTS OF MOTOR CONTROLLERS FOR ELECTRIC MOTORS - An electric motor that includes an electronic motor controller is described. The electronic motor controller includes a motor management circuit and a power supply circuit physically separate from the motor management circuit. The motor management circuit includes an insulated metal substrate, driver components operably attached to the insulated metal substrate and operable to provide output signals for application to windings of the electric motor, at least one current sensor operable for sensing an amount of current applied to the windings of and electric motor, and at least one control device operably attached to the insulated metal substrate for controlling operation of the driver components. The power supply circuit includes a composite circuit card and power processing components operably attached to the circuit card and operable to convert an input voltage into at least one output voltage to be supplied to the motor management circuit. | 2013-04-18 |
20130093297 | DEVICE HOUSING AND METHOD FOR MAKING THE SAME - A device housing includes a main body and a first decorative layer formed on the main body. The main body defines a planar region and at least a concave region connected with the planar region. The first decorative layer includes a first pattern and a second pattern. The first pattern is formed on the planar region. The second pattern is formed on the concave region. The first pattern and the second pattern are an integral structure. A method for making the device housing is also provided. | 2013-04-18 |
20130093298 | RETAIL MERCHANDISING PLATFORM - Door lock merchandising display apparatus, systems and methods are disclosed. An exemplary apparatus includes a support structure including first and second fixtures positioned in a merchandise display region. The fixtures are laterally and rotatably movable relative to the support structure. The apparatus includes merchandise modules that include door locks and are detachably coupled with respective fixtures. Interior and exterior portions of the door locks are displayed on respective sides of the modules. A customer can position the fixtures to selectably simultaneously display the interior and exterior portions of the door locks. The apparatus may also include a customer-accessible inventory storage region and a customer interaction unit configured to receive customer input associated with a particular type of door lock and provide an output to the customer identifying a location of the particular type of door lock in the inventory storage region. | 2013-04-18 |
20130093299 | ELECTRONIC DEVICE CASE AND SURFACE TREATMENT METHOD THEREOF - An electronic device case and a surface treatment method thereof are provided in which an exterior case is diecast of an aluminum alloy, an aluminum alloy layer is deposited on an outer surface of the exterior case, an oxidized coating layer is formed on a surface of the aluminum alloy layer, and a sealing layer is formed atop the oxidized coating layer and may seal pores therein. A pigment colored layer may be formed between the oxidized coating layer and the sealing layer. | 2013-04-18 |
20130093300 | DECORATOR MOUNTING APPARATUS FOR PORTABLE TERMINAL - A decorator mounting apparatus includes a housing; a display bracket coupled to the housing by a plurality of coupling parts; and a decorator mounted to the housing through coupling of the display bracket to the housing. | 2013-04-18 |
20130093301 | CONTAINER DATA CENTER - A container data center includes a rack and a cabinet. The rack includes a base and two spaced posts perpendicularly extending up from the base. A shockproof device is mounted to each post. The shockproof device includes an installing member embracing the post, a number of first shockproof members sandwiched between the installing member and the post, and a second shockproof member sandwiched between a bottom of the installing member and the base. The cabinet is mounted to the installing members. | 2013-04-18 |
20130093302 | ELECTRONIC DEVICE ENCLOSURE - An electronic device enclosure includes a chassis, a bracket received in the chassis, and a mounting assembly. The chassis includes a limiting protrusion and defines a sliding slot. The mounting assembly includes a resisting member, a rotating member and an operating member. The resisting member is secured to the bracket and includes an elastic deformable resisting portion. The rotating member is rotatably attached to the bracket and includes a first blocking portion and a blocking piece. The operating member is rotatably attached to the bracket and includes an installation portion and a second blocking portion. The installation portion is received between the blocking piece and the first blocking portion. The blocking piece is located between the resisting portion and the installation portion. The first and second blocking portions are received in the sliding slot. The limiting protrusion is blocked between the first and second blocking portions. | 2013-04-18 |
20130093303 | HOUSEHOLD APPLIANCE INCLUDING A POSITIVE RACK STOP FOR A LOWER RACK SYSTEM - A household appliance including a lower rack system, the lower rack system including a lower rack movable into and out of the household appliance along first and second tracks extending from a tub of the household appliance to an interior portion of a door of the household appliance. In an exemplary embodiment, the lower rack includes a rack stop structured to limit ingress and egress of the lower rack from the tub along the first and second tracks. | 2013-04-18 |
20130093304 | ACCESSORY FOR A MOBILE ELECTRONIC DEVICE AND METHOD OF PROVIDING AND USING THE SAME - Some embodiments include an accessory for a mobile electronic device. Other embodiments of related accessories and methods are also disclosed. | 2013-04-18 |
20130093305 | ELECTRONIC DEVICE WITH A BATTERY FASTENING MECHANISM - An electronic device includes a battery module, a housing having first and second panels, and a fastening mechanism. The fastening mechanism has a fixing portion extending from the battery module and engaging an opening in the first panel, a first fastening portion formed in the fixing portion, a cantilever formed in the second panel, and a second fastening portion formed on the cantilever and engaging the first fastening portion. The cantilever can be bent away from the fixing portion, such that the second fastening portion is disengaged from the first fastening portion, and that the fixing portion is urged by a protrusion on the cantilever to be disengaged from the opening. | 2013-04-18 |
20130093306 | REFRIGERATOR - A refrigerator in which a support connecting both rear ends of a rail assembly to each other is provided to maintain a state in which the rail assembly is perpendicular to a support. Thus, when a slidable door is closed, it may reduce the likelihood of a gap between the door and a cabinet from occurring so that the door is closely attached to the cabinet. | 2013-04-18 |
20130093307 | LED LAMP HAVING TWO LAYERS OF FLUORESCENT POWDER - An LED lamp has two layers of fluorescent powder, wherein a blue light of 400-530 nm emitted by a blue light LED chip first irradiates on an inner layer of silicate fluorescent powder to excite a light of a higher wavelength which is then emitted to an outer layer of YAG fluorescent powder, so as to obtain an ideal warm white light. The yellow light excited by the silicate fluorescent powder re-excites YAG fluorescent powder to obtain a warm white light having a higher color rendering index, while a light source with an area several times greater than that of the original chip obtained by exciting the inner layer of silicate fluorescent powder can re-excite the YAG fluorescent powder to multiply the excitation effect. | 2013-04-18 |
20130093308 | ORGANIC EL ILLUMINATION DEVICE - Disclosed is an organic EL illumination device—which is provided with: an organic EL element ( | 2013-04-18 |
20130093309 | LED LAMP - An LED lamp ( | 2013-04-18 |
20130093310 | HIGH INTENSITY DISCHARGE LAMP WITH COILED WIRE IGNITION AID - This disclosure features a high intensity discharge lamp comprising an electrically insulating arc tube comprised of light transmissive material. Electrical conductors or electrodes are each spaced apart from each other inside the arc tube. A shroud comprised of light transmissive material encloses the arc tube. An electrically conductive frame member is disposed in an interior of the shroud and is electrically connected to one of the electrical conductors. An ignition aid is electrically attached to the frame member and comprises a coil of electrically conductive wire that is disposed around the arc tube. | 2013-04-18 |
20130093311 | METHOD AND SYSTEM FOR MANUFACTURING PHOTO-LUMINESCENT WAVELENGTH CONVERSION COMPONENT - An approach is described for manufacturing wavelength conversion components for lighting devices which employ in-line process controls to minimize the amount of perceptible variation in the amount of photo-luminescent material that is deposited in the wavelength conversion components. Weight measurements are utilized in the manufacturing process to control and minimize the amount of the variations. In this approach, the weight of the product during manufacturing is used as a surrogate to a measure of the amount of photo-luminescent material in the component, and hence a surrogate for the expected color properties of the manufactured product. By measuring and checking for weight variations for the component, one can quickly determine with reasonable confidence whether there are any variations in the amount of photo-luminescent in the component. | 2013-04-18 |
20130093312 | PLASMA DISPLAY DEVICE - To provide a plasma display device whereby it is possible to improve the image quality and at the same time to reduce warpage of a thin cover glass plate having a large area. A plasma display device | 2013-04-18 |
20130093313 | LIGHT-EMITTING DEVICE - A light-emitting device includes a phosphor plate including an upper surface, a lower surface opposite to the upper surface, a peripheral side surface extending between a peripheral edge of the upper surface and a peripheral edge of the lower surface of the phosphor plate, a light-emitting element including an upper surface, a lower surface opposite to the upper surface, a peripheral side surface extending between a peripheral edge of the upper surface and a peripheral edge of the lower surface of the light-emitting element. The lower surface of the phosphor plate includes a concave that is filled with an adhesive and the lower surface of the phosphor plate is disposed on the upper surface of the light-emitting element. The phosphor plate may contain a first phosphor, and the adhesive filled in the concave that is provided at the lower surface of the phosphor plate may include a second phosphor. | 2013-04-18 |
20130093314 | B-SIALON AND METHOD OF MANUFACTURING THEREOF, AND LIGHT-EMITTING DEVICE - β-SiAlON represented by a general formula Si | 2013-04-18 |
20130093315 | ORGANIC ELECTROLUMINESCENCE DEVICE WITH SEPARATING FOIL - The invention relates to OLEDs ( | 2013-04-18 |
20130093316 | ORGANIC ELECTROLUMINESCENT LIGHTING DEVICE - An organic electroluminescent lighting device includes: a pair of rectangular electrode films stacked to face each other sandwiching an organic light-emitting element, and different from each other in polarity; wherein a first electrode film includes power supply terminal sections which are each of edge sides which face each other at a surface of the first electrode film; and auxiliary electrode film group including at least one of a plurality of first auxiliary electrode films and a plurality of second auxiliary electrode films located away from each other on the surface of the first electrode film. A sectional area viewed where the plurality of first auxiliary electrode films cuts perpendicularly to the edge sides increases relative to increasing distance from the edge sides. A sectional area viewed where the plurality of second auxiliary electrode films cuts parallel to the edge sides increases relative to increasing distance from the edge sides. | 2013-04-18 |
20130093317 | FLAT PANEL DISPLAY DEVICE AND METHOD THEREOF - A flat panel display device including a display area where an image is displayed and a non-display area located at an outside of the display area includes bank portions arranged in a pattern in the display area and partitioning a plurality of openings, emission elements located in the openings, dummy bank portions formed in the non-display area and integrated therewith, and a sealing passivation layer having a multi-layered structure of organic films and inorganic films alternately arranged, one organic film being located at an interface directly contacting the emission element and one inorganic film located firstly on an outermost portion of the dummy bank portions when the sealing passivation layer extends from the display area to the non-display area. | 2013-04-18 |
20130093318 | Conductive Layer Net Ignition Aids - Embodiments of the present invention relate to high intensity discharge (“HID”) lamps which have an electrically insulating arc tube including a central portion with an interior discharge region and two legs each extending from an end of the central portion, the central portion being a larger size than the legs. Electrical conductors extend through each of the legs and are ending in electrode components which are spaced apart from each other in the discharge region. A light transmitting envelope encloses the arc tube, and a frame member is electrically attached to one of the electrical conductors. Pursuant to some embodiments, an ignition aid is provided which includes an electrically conductive element disposed on one of the legs. The ignition aid includes a conductive layer that extends from the electrically conductive element to the central portion. | 2013-04-18 |
20130093319 | HIGH INTENSITY DISCHARGE LAMP WITH CROWN AND FOIL IGNITION AID - A high intensity discharge lamp includes an electrically insulating arc tube including a central portion with an interior discharge region and two legs each extending from an end of the central portion. The central portion is a larger size than the legs. Electrical conductors extend through each of the legs and are spaced apart from each other in the discharge region. A light transmitting envelope encloses the arc tube. A frame member is electrically attached to one of the conductors. An ignition aid includes an electrically conductive foil disposed around one of the legs and in electrical contact with the frame member. An electrically conductive crown disposed in electrical contact with the foil is located on or near the central portion. | 2013-04-18 |
20130093320 | ELECTRON ACCELERATOR HAVING A COAXIAL CAVITY - Electron accelerator of the re-circulating type, having a resonant coaxial cavity presenting an outer cylindrical conductor of axis A and a coaxial inner cylindrical conductor, an electron gun for injecting electrons into the cavity following a radial direction and into a median plane of the cavity, an RF system capable of accelerating the injected electrons following a trajectory into the median plane which has the shape of a flower centered on the axis A, deflecting magnets disposed into the median plane externally to the cavity for redirecting electrons back towards the axis A. The RF system includes final power amplifiers, each amplifier being directly coupled to the cavity through its own individual inductive loop and each two of these loops being physically spaced apart from each other by an angle alpha, such that alpha is not an integer multiple of 90 degrees. | 2013-04-18 |
20130093321 | DIELECTRIC WINDOW FOR PLASMA PROCESSING APPARATUS, PLASMA PROCESSING APPARATUS AND METHOD FOR MOUNTING DIELECTRIC WINDOW FOR PLASMA PROCESSING APPARATUS - In a dielectric window | 2013-04-18 |
20130093322 | ULTRAVIOLET LAMP SYSTEM AND METHOD FOR CONTROLLING EMITTED ULTRAVIOLET LIGHT - Embodiments of the invention provide an apparatus, method, and program product to control a lamp system. The apparatus comprises a plasma lamp bulb ( | 2013-04-18 |
20130093323 | DIMMABLE LIGHTING DEVICE - The invention relates to lighting devices ( | 2013-04-18 |
20130093324 | COMPUTER CONTROLLED CONFIGURABLE LIGHTING SYSTEM FOR MODULAR VEHICLE LIGHTS - A vehicle lighting control system and method are provided. The vehicle lighting control system includes a light module with light carrier positions for receipt of individual light sources. A lighting controller coupled with the light module is configured to identify a light source type associated with the individual light sources occupying light carrier positions of the light module. A power source coupled with the lighting controller provides power to the individual light sources in accordance with the type of light source identified. The individual light sources are removable from the light module and may be replaced by other light sources of a different type. The lighting controller is adapted to be reconfigured such that the different type of light source associated with the other light sources is identified and power is provided to the other light sources in accordance with the different light source type identified. | 2013-04-18 |
20130093325 | LIGHT EMITTING DIODE (LED) LIGHTING SYSTEMS AND METHODS - Methods, systems, and devices for light emitting diode (LED) lighting, including a multi-channel LED driver circuit having an electromagnetic interference (EMI) filter and rectification circuit, a power factor correction (PFC) circuit, a current and voltage isolation circuit, a voltage control circuit, and a current control circuit; a wireless interface coupled between the EMI filter and rectification circuit and the PFC circuit; a heat sink including an intercooling and ventilation chamber for air or water cooling disposed therein; one or more screw mount LEDs electrically coupled to the LED driver circuit and thermally coupled to the heat sink; and a lens housing having one or more lenses integrally formed therein and removably coupled to the heat sink or screw mount LEDs and with the lenses disposed over the LEDs. | 2013-04-18 |
20130093326 | DEVICE AND METHOD FOR DETECTING A SHORT-CIRCUIT DURING A START-UP ROUTINE - A device and method for detecting a short circuit in an electrical component during a start-up routine. In an embodiment, a device may have a problematic display having a short circuit that may result in damage to other components of the device if the device were allowed to fully startup during a normal start-up routine. Thus, power supplied to the panel may be initiated in stages so as to monitor any current that may be flowing through the panel, which in turn, may be indicative of a short circuit in the panel. If enough “leakage” current is detected through the panel during this staged startup routine, then a short-circuit detection circuit may interrupt the startup routine and lock out the operation of the device until the detected short circuit in the panel can be addressed. | 2013-04-18 |
20130093327 | CONTROL METHODS FOR LED CHAINS - Control methods for driving LED chains. An output power is provided to drive the LED chains. Short protections are provided to the LED chains, respectively. Whether at least one of the LED chains encounters an under-current event is detected. If any one of the LED chains encounters the under-current event, all short protections are stopped. Whether the output power reaches safe requirement is detected. After the output power reaches the safe requirement, the short protection corresponding to a normal LED chain is resumed. The normal LED chain refers to one of the LED chains that does not encounter the under-current event. | 2013-04-18 |
20130093328 | LIGHT AND LIGHT SENSOR - An LED-based light tube for use in a conventional fluorescent fixture includes a housing including a light transmitting portion, at least one electrical connector attached to the housing and configured for engagement with the conventional fluorescent fixture, at least one LED arranged to produce light in a direction toward the light transmitting portion, a sensor operable to detect a brightness level and output a signal corresponding to the detected brightness level, and a controller in electrical communication with the at least one electrical connector, operable to: compare the signal to a predetermined value corresponding to a desired brightness level and control an amount of power provided to the at least one LED in response to the signal to adjust the light produced by the at least one LED to achieve the desired brightness level. | 2013-04-18 |
20130093329 | LIGHTING DEVICE, LIGHTING SYSTEM INCLUDING THE SAME, AND METHOD OF OPERATING THE SAME - Disclosed are a lighting device, a lighting system including the same, and a method of operating the same. The lighting device includes a communication unit receiving contents through communication with an outside, a content analyzing unit detecting an output state of the contents by analyzing the contents received through the communication unit, a storage unit storing information of a driving condition of a lighting unit corresponding to the output state of the contents, a controller extracting the information of the driving condition of the lighting unit corresponding to the detected output state of the contents from the storage unit and allowing the lighting unit to operate according to the contents based on the information of the driving condition of the lighting unit, and a lighting unit driver outputting a driving signal used to drive the lighting unit according to a control signal of the controller. | 2013-04-18 |
20130093330 | White Point Adjustment for Multicolor Keyboard Backlight - There are provided systems, devices and methods for operating a light source to match a white point of ambient light. In one embodiment, a light control system is provided. The light control system includes a light source and a light sensor. The light sensor is configured to operate in conjunction with the light source to provide a visual effect. A controller is electrically coupled to the light source and the light sensor and configured to determine the intensity and color of light to which the light sensor is exposed and dynamically adjust the output of the light source to match the determined intensity and color of light to which the light sensor is exposed. | 2013-04-18 |
20130093331 | LAMPS - An embodiment of the invention provides a lamp comprising a control circuit and a light emitting device. The light emitting device comprises a plurality of light emitting units with different wavelengths. The control circuit calibrates a control signal according to an environment light to adjust a light spectrum of the light emitting device by controlling the luminance of each light emitting unit. | 2013-04-18 |
20130093332 | INTELLIGENT LED LAMP GROUP CONTROL DEVICE USING EXISTING WALL SWITCH - An intelligent LED lamp group control device using an existing wall switch for controlling a group of LED lamps includes an AC power converter, an interface for intelligent control using an interface circuit for upgrading the existing wall switch for scene group control. The device further includes a night lamp control input port, an emergency operation switch, an external set control box connector, a wall switch input unit, a control configuration set interface, a power failure battery input port and a night lamp and RS-485 serial port. The device enables one single controller to achieve control of and provide power supply to multiple LED lamps, and uses a communication control interface for converting the power supply originally provided to the LED lamps into a logic control signal so that the wiring layout and location of the original lighting control wall switch can be used. | 2013-04-18 |
20130093333 | SYSTEMS AND METHODS FOR RULES BASED, AUTOMATED LIGHTING CONTROL - A lighting control system comprising a plurality of intelligent switches designed to replace a conventional light switch, each of the intelligent switches including a receiver configured to receive communication signals that include rules based instructions for controlling one or more lighting circuits; a circuit interrupter configured to control the amount of current flowing to a lighting circuit; a memory configured to store the rules based instructions; and a processor coupled with the receiver, memory, and circuit interrupter, the processor configured to control the operation of the circuit interrupter based on the rules based instructions stored in memory. | 2013-04-18 |
20130093334 | LAMPS AND ILLUMINATING SYSTEM - A lamp comprising a light emitting device and a controller is disclosed. The controller receives a control signal from a handheld device and switches the light emitting device according to the control signal such that the light emitting device operates in a light emitting mode corresponding to the control signal, in which the control signal is generated by the handheld device according to real-time information. | 2013-04-18 |
20130093335 | A COLOR TUNABLE LAMP INCLUDING A CONTROL DEVICE WITH A RELATIVE FLUX SENSOR - A relative flux sensor ( | 2013-04-18 |
20130093336 | LOW VOLTAGE SYSTEM AND METHOD - Low voltage systems and methods, as well as a light assembly and LED driver are provided. In one aspect, a low voltage system is provided that is capable of drawing power from a power source having a first voltage, the system having at least one low voltage power supply connectable to the power source and having an output providing a second voltage that is lower than the first voltage. The system further has at least one low voltage load and circuit means connecting the output of the power supply to the at least one low voltage load. The at least one load can be a light assembly, and the light assembly can comprise one or more light emitting diodes (LEDs). Also provided is an LED driver that provides for one or more improved dimming characteristics. A light assembly employing the LED driver is also provided. | 2013-04-18 |
20130093337 | CIRCUIT AND METHOD FOR DRIVING LIGHT SOURCES AND LIGHTING SYSTEM - A circuit for driving a plurality of light sources via a current generator, wherein the light sources are grouped into a plurality of light source sets wherein the driver circuit comprises a plurality of inductive elements, a plurality of switches adapted to selectively connect each light source set in series with one of the inductive elements, and a control circuit configured for driving the switches, so that during a first operation time interval, each light source set is connected in series with a respective first inductive element, and during a second operation time interval, each light source set is connected in series with a respective second inductive element, wherein the respective second inductive element is separate from the respective first inductive element. | 2013-04-18 |
20130093338 | DRIVING CIRCUITS FOR LIGHT EMITTING ELEMENTS - A circuit for driving light emitting elements, such as LEDs, includes a first transistor having a source coupled to ground through a first resistive element, and a second transistor having a gate electrically coupled to a gate of the first transistor, a source electrically coupled to ground, and a drain for electrical connection to a first group of light emitting elements. The circuit also includes circuitry to provide a predetermined voltage at the source of the first transistor, circuitry to compensate for a difference in respective gate-source voltages of the first and second transistors, and circuitry to compensate for a difference in respective drain-source voltages of the first and second transistors. In some implementations, the circuit can achieve relatively low power consumption. | 2013-04-18 |
20130093339 | DRIVING CIRCUITS FOR LIGHT EMITTING ELEMENTS - A circuit for driving light emitting elements, such as LEDs, includes .a first transistor having a source coupled to ground through a first resistive element, and a second transistor having a gate electrically coupled to a gate of the first transistor, a source electrically coupled to ground, and a drain for electrical connection to a first group of light emitting elements. The circuit also includes circuitry to provide a predetermined voltage at the source of the first transistor, circuitry to compensate for a difference in respective gate-source voltages of the first and second transistors, and circuitry to compensate for a difference in respective drain-source voltages of the first and second. transistors. In some implementations, the circuit can achieve relatively low power consumption. | 2013-04-18 |
20130093340 | LIGHT EMITTING APPARATUS AND LED DRIVING METHOD USING THE SAME - Provided are a light emitting apparatus and a LED driving method using the same. The light emitting apparatus may include: a light source including first to nth LED groups driven by direct current (DC) power and sequentially connected in series; and a driving controller detecting a current flowing in an output terminal of the light source and changing the number of LED groups driven in the light source when the detected current is outside of a predetermined current range. | 2013-04-18 |
20130093341 | AC LED DIMMER AND DIMMING METHOD THEREBY - The disclosure relates to an AC LED dimmer and dimming method thereof. The AC LED dimmer includes a rectifier receiving AC voltage from an AC voltage source and full-wave rectifying the AC voltage; a direct current (DC)/DC converter receiving the full-wave rectified voltage from the rectifier, generating a full-wave rectified stepped-up voltage, and generating a pulse enable signal; a pulse width modulation controller receiving the full-wave rectified stepped-up voltage and generating a pulse width modulation signal to dim an AC LED in response to the pulse enable signal; a switch driving the AC LED under control of the pulse width modulation signal, and an electromagnetic interference (EMI) filter to be connected between the AC voltage source and the switch to eliminate electromagnetic interference from the AC voltage source. Accordingly, the dimmer can perform an efficient and linear dimming function and suppress harmonics. | 2013-04-18 |
20130093342 | IGNITION APPARATUS - When the first switch is on, the ignition capacitor is charged up to a voltage value whose absolute value is larger than an output voltage value of a DC power source, through resonance caused by a resonance coil and the ignition capacitor; when the second switch is on, the ignition capacitor supplies energy to the ignition coil device, and when the second switch is off, the energy is released and a high voltage is applied across electrodes of an ignition plug. | 2013-04-18 |
20130093343 | METHOD, APPARATUS AND COMPUTER-READABLE MEDIA FOR CONTROLLING LIGHTING DEVICES - A method for controlling pulse width modulated lighting devices within a lighting apparatus comprising a plurality of sets of lighting devices is disclosed. The method includes setting a counter for a first set of the plurality of sets of lighting devices using a master counter and an activation duration for one or more other sets of the plurality of sets of lighting devices. The method further includes determining an activation time period within a duty cycle for the first set of lighting devices using the counter for the first set of lighting devices and an activation duration for the first set of lighting devices. In some embodiments of the present invention, the lighting devices are light emitting diodes grouped into sets (or banks) and controlled to limit the magnitude and/or quantity of instantaneous current fluctuations in a power supply within the lighting apparatus. | 2013-04-18 |
20130093344 | LAMPS AND CONTROL CIRCUIT - An embodiment of the invention provides a lamp comprising a first emitting device, a second emitting device, and a control signal generation device. The control signal generation device generates a first control signal and a second control signal to control the first emitting device and the second emitting device, so that a first light flux generated by the first emitting device is equivalent to a second light flux generated by the second emitting device, wherein the second control signal is generated according to the first control signal. | 2013-04-18 |
20130093345 | EFFICIENT ELECTRICALLY-ISOLATED POWER CIRCUITS WITH APPLICATION TO LIGHT SOURCES - Solid state light sources are compatible with AC phase-cut dimmers. The light sources may have switching mode power supplies having primary and secondary sides that are in first and second circuit parts that are electrically isolated from one another. Information regarding a waveform of input electrical power is extracted in the first circuit part and passed to a controller in the second circuit part by way of a galvanic isolator. Additional isolated paths may be provided to provide bi-directional exchange of information between the first and second circuit parts and/or to provide for the exchange of additional information relevant to control. The signal path from the first side to the second side may have a low latency. | 2013-04-18 |