12th week of 2011 patent applcation highlights part 12 |
Patent application number | Title | Published |
20110068666 | DRIVE MOUNT - A drive mount includes a first mounting frame and a second mounting frame. The first mounting frame includes a bottom plate which defines a first slot and a second slot therein. The first slot and the second slot intersect and angle from each other. An entrance port is formed between the first slot and the second slot. The second mounting frame includes a top plate with a connecting tube protruding towards the first mounting frame. A free end of the connecting tube expands outwardly to form a locking portion. The connecting tube and the locking portion of the second mounting frame are received in the entrance port, and the connecting tube can selectively slip along the first slot or the second slot, with the locking portion engaging edges of the first slot or the second slot to connect the first and second mounting frames together. | 2011-03-24 |
20110068667 | HANGING HOOK AND MODULAR STORAGE FURNITURE SYSTEM - A hanging hook for attaching a generally vertical object to a vertical side wall of a piece of storage furniture, comprises: a central portion extending laterally for at least the distance of the width of said object; a first attachment portion at one end of said central portion, the first attachment portion including a leg section extending downward for securing said leg portion through an aperture in a top surface of said piece of storage furniture; and a second attachment portions at the opposite end of said central portion, the second attachment portion including a leg section extending downward and an arm section extending inward from a distal end of the first section toward the center of said hanging hook for securing said arm section through an aperture in an outer side surface of said object. | 2011-03-24 |
20110068668 | Cabinet assembly and method - An improved cabinet assembly includes a plurality of wall panels and at least two generally rectangular horizontal support members to define a parallelepiped configuration. The cabinet comprises a plurality of elongate corner posts, at least one for each corner of the parallelepiped configuration. The corner posts selectively support the wall panels in the parallelepiped configuration. Each corner post has a rectangular through bore extending a length of the corner post. Each of the at least two horizontal support members include rectangular through bores aligned with the corner post through bores at each corner of the parallelepiped configuration. A plurality of rectangular splines are provided, one for each corner of the parallelepiped configuration. Each of the splines is received in the aligned rectangular through bores at one of the corners of the parallelepiped configuration to maintain the cabinet assembly in assembled relationship. | 2011-03-24 |
20110068669 | FURNITURE DRIVE - Furniture drive for moving a furniture part which is mounted in a vertically adjustable manner, having a drive apparatus, which has an electric motor, for moving the movable furniture part, and having a compensation device which exerts a force which is opposite to the weight force on the movable furniture part, wherein a measuring device is provided for detecting the weight of the movable furniture part, and therefore the force exerted by the compensation device on the movable furniture part can be variably adjusted as a function of the measured weight of the movable furniture part by an adjusting device which has a further electric motor and can be actuated by the measuring device. | 2011-03-24 |
20110068670 | APPARATUS FOR RELEASABLY COUPLING A DRAWER TO A DRAWER PULL-OUT GUIDE - Apparatus for releasably coupling a drawer to a rail, which can be pulled out in a longitudinal direction, of a drawer pull-out guide, having a holding part which interacts with a mating holding part in the coupled state in order to establish the releasable connection, wherein at least that region of the holding part which comes into contact with the mating holding part is made flexible, preferably by attaching a flexible piece of material, so that any longitudinal play of the drawer which may occur in relation to the rail can be compensated. | 2011-03-24 |
20110068671 | COMBINATION OF A HINGE FOR DOORS OR WINGS AND A DAMPING DEVICE - Described is a combination of a hinge for doors or wings and a damping device in which the hinge ( | 2011-03-24 |
20110068672 | Distributed LED-Based Light Source - A light source having a substrate with a plurality of component LED light generators mounted thereon is disclosed. The substrate has a first metallic surface characterized by a normal that points in a normal direction. The first metallic surface is in contact with air over the first metallic surface. The component LED light generators are mounted directly on the first metallic surface. Each component LED light generator includes an LED characterized by an operating temperature and emitting light in the normal direction. Each LED generator generates more than 0.5 watts of heat. The component LED light generators are spaced apart on the first metallic surface such that the operating temperature remains less than 75° C. above the air temperature. In one aspect of the invention, the first metallic surface surrounding each component LED light generator radiates an amount of heat equal to the heat generated by that component LED light generator. | 2011-03-24 |
20110068673 | METHOD FOR ASSEMBLING A SOCKET FOR A DISCHARGE LAMP AND DISCHARGE LAMP - A method for fitting a base for a discharge lamp is provided. The method may include providing a discharge lamp with an end region, on which an option is provided for making contact with an electrode located in the interior of the discharge vessel; applying material to the end region; positioning a base sleeve onto the end region with the material; and positioning a clamping ring onto the base sleeve; wherein the clamping ring is of the kind that has at least one bead. | 2011-03-24 |
20110068674 | LIGHT-EMITTING DEVICE AND ILLUMINATION DEVICE - According to one embodiment, a light-emitting device includes a substrate including power-supply conductors, a frame member, and a sealing member. The power-supply conductors are formed on the substrate. A plurality of light-emitting elements including electrodes are mounted on the substrate. The electrodes of the light-emitting elements adjacent to the power-supply conductors are electrically connected to the power-supply conductors by a plurality of bonding wires. The frame member is made of resin which is coated on the substrate so as to surround the light-emitting elements and the bonding wires. The sealing member is filled in an area surrounded by the frame member and seals the light-emitting elements and the bonding wires. | 2011-03-24 |
20110068675 | Multiple Device Shaping Uniform Distribution of Current Density in Electro-Static Focusing Systems - System that focuses electron beams in an electro-static area to a laminar flow of electrons with uniform distribution of current density and extraordinary demagnification includes a housing having a first interior portion and a second interior portion electrically insulated from the first interior portion. The second interior portion has an electric field-free space. An electrode system is disposed in the first interior portion and includes a cathode assembly and at least one anode assembly. The cathode assembly generates an electron beam that passes through each anode assembly and then into the electric field-free space in the second interior portion. The system parameters may be calculated and created due to the CGMR conceptual method. | 2011-03-24 |
20110068676 | LIGHT EMITTING DEVICE HAVING PHOTONIC CRYSTAL STRUCTURE - A light emitting device comprising a photonic crystal structure having a crystal structure in which nanospheres are densely arranged in a 3D manner, wherein the nanospheres have phosphors excited by an excitation source to emit light of a wavelength longer than a pump photon of the excitation source, wherein the photonic crystal structure has at least a photonic bandgap (PBG) along a specific crystal orientation, and wherein the wavelength of the pump photon overlaps a photonic bandedge region. | 2011-03-24 |
20110068677 | PLASMA DISPLAY PANEL - A plasma display panel (PDP) is disclosed. In one embodiment, the PDP includes i) a front substrate and a rear substrate spaced apart from and facing each other and ii) a barrier rib portion dividing a space between the front substrate and the rear substrate into a plurality of discharge cells, wherein the barrier rib portion comprises first barrier ribs and second barrier ribs formed on the first barrier ribs, wherein the second barrier ribs are less in width than the first barrier ribs, wherein the widths of the first and second barrier ribs are defined along a first direction substantially parallel with one of the front and rear substrates, and wherein the second barrier ribs are closer to the first substrate than the first barrier ribs. The PDP may further include i) an anti-reflection layer formed on the second barrier ribs, ii) a plurality of discharge electrodes separately disposed on the front substrate substantially in parallel with each other across the front substrate, iii) a plurality of address electrodes formed on the rear substrate to cross the discharge electrodes, iv) phosphors formed in the discharge cells and v) a discharge gas filled in the discharge cells. | 2011-03-24 |
20110068678 | FLUORESCENT LAMP - The present invention relates to a fluorescent lamp including: a discharge space containing a discharge gas and being surrounded by a glass; a discharge electrode; a phosphor; and a mayenite type compound provided on at least a part of an inner surface contacting the discharge gas. According to the fluorescent lamp of the present invention, a fluorescent lamp that has good luminous efficiency of ultraviolet ray from a discharge gas, has good discharge characteristics such as discharge starting voltage and discharge sustaining voltage in a fluorescent lamp, is chemically stable, has excellent oxidation resistance, has excellent sputtering resistance, and can achieve electric power saving is provided. | 2011-03-24 |
20110068679 | LIGHT EMITTING DEVICE - Provided is a light emitting device of which manufacturing cost can be reduced by suppressing reduction in yield. The present invention relates to a light emitting device including a light emitting element ( | 2011-03-24 |
20110068680 | PHOSPHOR, LIGHT EMITTING DEVICE, AND PLASMA DISPLAY PANEL - The present invention provides a phosphor with high luminance and color purity. The phosphor of the present invention is represented by the general formula: aYO | 2011-03-24 |
20110068681 | LUMINESCENT COMPOSITION AND INORGANIC ELECTROLUMINESCENT SHEET USING THE SAME - The present invention provides a luminescent composition which is capable of providing an inorganic electroluminescent sheet with a high productivity at low costs in an efficient manner, and has a desired light transmittance (transparency) when no electric voltage is applied thereto, an inorganic electroluminescent sheet obtained from the luminescent composition which can be mass-produced, and a process for producing the inorganic electroluminescent sheet. The present invention relates to a luminescent composition including an inorganic electroluminescent substance and a binder resin, wherein a content of the inorganic electroluminescent substance is not less than 0.5 part by mass and less than 100 parts by mass on the basis of 100 parts by mass of the binder resin; and an inorganic electroluminescent sheet including at least a first transparent substrate, a first transparent electrode, an inorganic electroluminescent layer, a first transparent electrode and a second transparent substrate which are successively laminated in this order, wherein the inorganic electroluminescent layer is formed from the above luminescent composition, and the inorganic electroluminescent sheet has a light transmittance of 60% or more as measured at a wavelength of 550 nm under a non-light emitting condition. | 2011-03-24 |
20110068682 | METHOD FOR BONDING GAS BARRIER FILM AND ELECTRONIC DEVICE, AND ELECTRONIC DEVICE AND METHOD FOR PRODUCING SAME - A method for bonding a gas barrier film and an electronic device, comprising continuously feeding a film composite that contains a gas barrier film having a support and a gas barrier layer, and an adhesive layer; blanking or slitting a part of the film composite to form a wire lead-out part therein; and continuously roll-bonding the film composite to a substrate with an electronic device formed thereon; wherein the feeding of the film composite, the forming of the wire lead-out part and the roll-bonding are carried out through in-line operation. | 2011-03-24 |
20110068683 | ANTHRACENE DERIVATIVES, LUMINESCENT MATERIALS AND ORGANIC ELECTROLUMINESCENT DEVICES - Anthracene derivatives each having a structure including an anthracene skeleton, a phenanthrene skeleton selected from among various phenanthrene skeletons different in bonding site which is bonded to the 9-position of the anthracene skeleton and a group selected from among various aryl groups and so on which is bonded to the 10-position of the anthracene skeleton. Organic EL devices made by using the derivatives exhibit high light emission efficiency and a long life. | 2011-03-24 |
20110068684 | ELECTROLUMINESCENT DISPLAY DEVICE - A color electroluminescent (EL) display device comprises a transparent substrate, and a transparent electrode arranged on the transparent substrate. The EL display also includes an electroluminescent layer arranged on the transparent electrode that comprises a plurality of pixel units. Each pixel unit comprises at least two regions comprising electroluminescent materials capable of emitting light of different colors. The EL display further comprises a plurality of opposing electrodes arranged on the electroluminescent layer. Each of the opposing electrodes cooperates with the transparent electrode to apply a voltage to one of the at least two regions of each pixel unit. | 2011-03-24 |
20110068685 | HEAT-DISSIPATING APPARATUS AND ILLUMINATOR USING THE SAME - Disclosed is a heat-dissipating apparatus and an illuminator using the same. The heat-dissipating apparatus includes a heat sink including one side contacted with a heat generating portion and the other side having heat-dissipating pins arranged at the edge thereof and a space formed inside the heat-dissipating pins; and a driver that is positioned in the space and keeps the heat-dissipating pins cool by sucking outside air and discharging inside air with a pumping operation. | 2011-03-24 |
20110068686 | LED LAMP - An LED lamp A | 2011-03-24 |
20110068687 | BULB-SHAPED LAMP AND LIGHTING DEVICE - [Problem to be Solved] To provide a bulb-type lamp that can achieve improvement in the heat dissipation properties and size/weight reduction simultaneously, and that can lighten thermal load on a lighting circuit. | 2011-03-24 |
20110068688 | ORGANIC LIGHT EMITTING LIGHTING APPARATUS - An organic light emitting lighting device that includes a transparent substrate, a first electrode layer formed on the substrate, an organic emission layer formed on the first electrode layer, a second electrode line formed of a plurality of second electrode lines disposed in parallel with each other on the organic emission layer, a first fuse unit having one end connected with the first electrode layer, and a plurality of second fuses having one end respectively connected to one end of the plurality of second electrode lines. | 2011-03-24 |
20110068689 | System and Method for Non-Linear Dimming of a Light Source - In one embodiment, a light dimming module is disclosed. The light dimming module has a dimming engine coupled to a digital input interface and an output interface. The dimming engine is configured to provide a N-segment piecewise linear exponential digital control signal, and the output interface is configured to control the intensity of a light source. | 2011-03-24 |
20110068690 | Plasma jet guard - The system includes a method and means of technological defense against violent atmospheric cyclones: tornadoes, hurricanes, others. The controlled meteorological missiles equipped with rocket servo-motors and magneto-gas-dynamic ionizers are used. | 2011-03-24 |
20110068691 | METHOD FOR PRODUCING A PLASMA BEAM AND PLASMA SOURCE - A method for generating a plasma beam and a plasma source for carrying out the method, where the plasma beam is extracted from a plasma generated by electric and magnetic fields by means of a radiofrequency voltage being applied to an extraction electrode and an RF electrode device having an excitation electrode having an excitation area, where a plasma space is arranged between extraction electrode and excitation area and the plasma, relative to the extraction electrode, on average over time, is at a higher potential which accelerates positive plasma ions, and | 2011-03-24 |
20110068692 | LED LAMP - An LED lamp includes an optical part, a heat dissipation part and an electric part. The optical part includes main and auxiliary LED light sources thermally attached to the heat dissipation part. The electric part includes a rechargeable battery and a circuitry for converting an external AC power source into first and second DC power sources. The auxiliary LED light source is connected to the first DC power source for providing an auxiliary illumination when the external AC power source is normally supplied or to the rechargeable battery for providing an emergency illumination when the external AC power source is interrupted. The main LED light source is connected to the second DC power source for providing normal illumination when the external AC power source is supplied normally. Photoelectric switches are also provided for controlling the action of the auxiliary LED light source. | 2011-03-24 |
20110068693 | LIGHTING APPARATUS AND THE METHOD FOR USING THE SAME - A lighting apparatus receives a regulated AC line voltage as an input voltage and comprises a light emitting diode array and a driving circuit. The light emitting diode array is composed of at least one light emitting diode set connected in parallel. The driving circuit has a plurality of outputs corresponding to the light emitting diode sets, and each output has a predetermined value for controlling the brightness of the light emitting diode set. Each light emitting diode set is conducted automatically and in sequence for a fixed time interval based on the output of the driving circuit and the amplitude of the regulated AC line voltage, and is turned off based on the predetermined signal of the driving circuit. | 2011-03-24 |
20110068694 | LIGHTING DEVICE WITH DEVICE FOR REGULATING THE ILLUMINATION ACCORDING TO THE LUMINANCE OF THE ILLUMINATION FIELD AND CORREPSONDING USE - The device ( | 2011-03-24 |
20110068695 | Method and Apparatus for Providing LED Package with Controlled Color Temperature - An optical device capable of illuminating visual light with adjusting color temperature after fabrication is disclosed. The optical device includes a solid state light emitter and a phosphor layer, which is formed over the solid state light emitter. The solid state light emitter, which can be a light emitter diode (“LED”), converts electrical energy to blue light. The phosphor layer subsequently converts first light with a first wavelength to second light with a second wavelength. In one example, the first light is blue light while the second light is white light. A portion of the phosphor layer is adjusted after the phosphor layer is formed for adjusting color of the white light in accordance with color quality of the light detected by a light detector. | 2011-03-24 |
20110068696 | SOLID STATE LIGHTING APPARATUS WITH CONFIGURABLE SHUNTS - A solid state lighting apparatus according to some embodiments includes a circuit including a plurality of light emitting devices, and a configurable shunt configured to bypass at least some current around at least one light emitting device of the plurality of light emitting devices. The configurable shunt may include, for example, a tunable resistor, a fuse, a switch, a thermistor, and/or a variable resistor. | 2011-03-24 |
20110068697 | Phosphor Converted Light Source Having an Additional LED to Provide Long Wavelength Light - A light source having first and second LEDs and a phosphor layer that converts light generated by the first LED is disclosed. The first LED emits light at a first wavelength. The layer of phosphor is illuminated by the first LED, the phosphor being excited by light of the first wavelength to convert light of the first wavelength to a band of wavelengths having wavelengths between the first wavelength and a second wavelength. The second LED emits light at a third wavelength that is greater than the first wavelength. The phosphor is not substantially excited by light of the third wavelength. The combined light from the phosphor, and first and second LEDs is perceived as being white by a human observer. | 2011-03-24 |
20110068698 | LIGHTING DEVICE WITH DEFINED SPECTRAL POWER DISTRIBUTION - Solid state lighting devices and illumination methods involve use of multiple solid state emitters of different colored outputs (optionally including at least one white or near-white emitter). Operation of the solid state emitters is controlled with at least one circuit element to emphasize and/or deemphasize perception of at least one color of a target surface based upon a reflectance spectral distribution of the target surface. At least one emitter may have an associated passive or active filter; the filterable emitter and/or active filter may be operated to deemphasize perception of at least one color of a target surface. Activation and/or alteration of emphasis or deemphasis of perception of color of a target surface may be selected by a user or automatically controlled. | 2011-03-24 |
20110068699 | Broad spectrum light source calibration systems and related methods - Systems and methods are disclosed for light sources that use the photo-sensitivity of one or more colored LEDs to determine at least a portion of the emission spectrum of a white light source or other broad spectrum light emitter. As described herein, a white LED or other broad spectrum light emitter can be used as the light source, if desired, along with one or more additional colored LEDs, and the same colored LEDs can be used to emit light and to adjust a color point produced by the light source. Applications for the disclosed embodiments include but are not limited to general lighting, LCD backlighting, projectors, and direct emission displays such as OLEDs and digital billboards. | 2011-03-24 |
20110068700 | Method and apparatus for driving multiple LED devices - A series of methods of driving multiple LED devices with high efficiency balancing technique is disclosed. The regulation of the LED current is accomplished by switching operation to compensate the difference of the LED operating voltage. Reactive components are also employed to construct non-dissipative balancing networks to drive multiple LED strings with low losses. Additionally, a series of concept is presented to drive the LED devices from PFC voltage directly with low cost circuit architecture. | 2011-03-24 |
20110068701 | SOLID STATE LIGHTING APPARATUS WITH COMPENSATION BYPASS CIRCUITS AND METHODS OF OPERATION THEREOF - A lighting apparatus includes a string of serially-connected light emitting devices and a bypass circuit coupled to first and second nodes of the string and configured to variably conduct a bypass current around at least one of the light-emitting devices responsive to a temperature and/or a total current in the string. In some embodiments, the bypass circuit includes a variable resistance circuit coupled to the first and second nodes of the string and configured to variably conduct the bypass current around the at least one of the light-emitting devices responsive to a control voltage applied to a control node and a compensation circuit coupled to the control node and configured to vary the control voltage responsive to a temperature and/or total string current. | 2011-03-24 |
20110068702 | SOLID STATE LIGHTING APPARATUS WITH CONTROLLABLE BYPASS CIRCUITS AND METHODS OF OPERATION THEREOF - A lighting apparatus includes a string with a plurality of serially-connected light emitting device sets, each set comprising at least one light emitting device. The apparatus further includes at least one controllable bypass circuit configured to variably bypass current around at least one light emitting device of a set of the plurality of light emitting device sets responsive to a control input. The control input may include, for example, a temperature input, a string current sense input and/or an adjustment input. The control input may be varied, for example, to adjust a color point of the string. | 2011-03-24 |
20110068703 | 90-260Vac Dimmable MR16 LED Lamp - A line voltage LED Lamp produces variable illumination in response to industry standard lighting dimmers, through the use of an input voltage monitoring circuit which variably controls the current output of an integral driver in response to sensed changes in the input voltage. A cascaded converter circuit is used to achieve a very high step-down ratio, enabling the LEDs to be driven from a high input voltage without the need for a power transformer. Electrolytic capacitors are avoided, increasing the life of the driver circuit in the high ambient temperatures typically encountered in the base of similar lamps. The circuit employed drives high power LEDs, and the lamp is adapted to fit common MR16 size fixtures. Illumination output equivalent to similar size halogen bulbs is achieved. | 2011-03-24 |
20110068704 | Adaptive dimmable LED lamp - A low voltage LED Lamp produces variable illumination in response to industry standard lighting dimmers, through the use of an input voltage monitoring circuit which variably controls the current output of an integral driver in response to sensed changes in the input voltage. Input circuitry is employed to provide “ghost” loading in the case of high frequency voltage sources such as that provided by certain electronic ballasts requiring minimum loads to operate. Additionally, the capacitive nature of prior art LED driving circuits is altered, increasing power factor and further helping electronic ballasts run properly. A firmware algorithm adapts to the output voltage capability of the driving transformer, dynamically adjusting the illumination to achieve the best dimming curve suited to each transformer. The circuit employed drives high power LEDs, and the lamp is preferably adapted to fit common MR16 size fixtures. Illumination output equivalent to similar size halogen bulbs is achieved. | 2011-03-24 |
20110068705 | DRIVER SYSTEM AND METHOD WITH MULTI-FUNCTION PROTECTION FOR COLD-CATHODE FLUORESCENT LAMP AND EXTERNAL-ELECTRODE FLUORESCENT LAMP - System and method for driving a cold-cathode fluorescent lamp. The system includes a control subsystem configured to generate one or more control signals, and a power supply subsystem configured to receive the one or more control signals and a DC input voltage, convert the DC input voltage to an AC output voltage, and send the AC output voltage to a cold-cathode fluorescent lamp. If the DC input voltage is lower than a predetermined threshold, the system for driving the cold-cathode fluorescent lamp is turned off in response to the one or more control signals. | 2011-03-24 |
20110068706 | LED LIGHTING DEVICE AND ILLUMINATION APPARATUS - The present invention provides an LED lighting device including: a rectifying circuit having AC input ends connected to an AC source; a converter which has input ends connected to DC output ends of the rectifying circuit and output ends, to which an output capacitor is connected in parallel, connected to an LED, and lights the LED; a control unit for changing continued DC output current of the converter in accordance with a dimming degree; and a bypass circuit which is connected to the output ends of the converter in parallel with the output capacitor and makes bypass current flow, the bypass current being larger than lighting current, which flows through the LED, at least in the vicinity of a dimming lower limit. | 2011-03-24 |
20110068707 | LIGHT-EMITTING DEVICE AND ELECTRONIC APPARATUS - A light-emitting device includes a power feeding line to which a predetermined voltage is supplied; a light-emitting element formed of a first electrode, a second electrode, and a light-emitting layer interposed between the first electrode and the second electrode; and a driving transistor that controls the amount of current supplied to the light-emitting element from the power feeding line. The power feeding line includes a portion interposed between the first electrode and the driving transistor. | 2011-03-24 |
20110068708 | LED Light Engine Apparatus - A light emitting diode (LED) light engine is provided for use in a light fixture to enable improved and efficient dissipation of heat generated in the light fixture. The light engine includes a circuit board that includes multiple LEDs for emitting light. The light engine includes a chassis that has a plurality of upper fins that extend upward from a central flanged portion to dissipate heat generated by the LEDs into the lighting fixture. The circuit board is mounted to a mounting surface on the chassis that is surrounded by a fin wall that depends from the central flanged portion. The chassis also has a plurality of lower fins that extend outward from an outer surface of the fin wall to dissipate heat out of the fixture and into the ambient air environment. | 2011-03-24 |
20110068709 | LIGHTING DEVICE, LIGHTING PANEL AND CIRCUIT BOARD THEREOF - A lighting device, a lighting panel and a circuit board thereof are provided. The circuit board comprises a substrate; a plurality of light sources disposed on the substrate and at least one circuit layer, being patterned onto the substrate to form a plurality of traces for electrically connecting the light sources. Therein, the circuit board is capable of being assembled with other circuit boards to construct the lighting panel. The lighting device is capable of having the lighting panel of a large size by assembling a plurality of the circuit boards and individually controlling each light source disposed on the lighting panel so as to provide the function of local dimming. | 2011-03-24 |
20110068710 | ADJUSTING DEVICE FOR REGULATING THE ILLUMINATION OF A LAMP AND THE METHOD THEREOF - The present invention comprises a rectifier-filter circuit, an active power factor correction (PFC), an oscillating circuit, a boost circuit, a tube circuit, an internal power, a sampling circuit, a micro controller unit (MCU), a detecting circuit, and a power switch to regulate the brightness of a lamp. Wherein, a parameter set in the MCU would accordingly help the MCU trigger the consecutive oscillating switching time and frequency. The sampling circuit acquires the data of the consecutive switching time and frequency and sends the MCU the data to determine whether to correspondingly send a control signal for starting the oscillating circuit and starting the frequency, pulse width, number of channels of the oscillating circuit. Therefore, the present invention is accomplished through the control signal of the MCU passing through the oscillating circuit and the tube circuit, conducing to a convenient adjustment, an energy saving competence, and the long-lived lamp and switch. | 2011-03-24 |
20110068711 | METHODS AND APPARATUS FOR CEILING MOUNTED SYSTEMS - Methods and apparatus for ceiling suspended systems according to various aspects of the present invention include a modular platform for supporting and supplying multiple devices. A wire way bar may facilitate connection and support for the devices, such as light sources and other systems. | 2011-03-24 |
20110068712 | POWER SUPPLY AND METHOD FOR ELECTRIC LIGHTING DEVICE - Disclosed herein are a power control system ( | 2011-03-24 |
20110068713 | METHOD AND CIRCUIT ARRANGEMENT FOR CYCLE-BY-CYCLE CONTROL OF A LED CURRENT FLOWING THROUGH A LED CIRCUIT ARRANGEMENT, AND ASSOCIATED CIRCUIT COMPOSITION AND LIGHTING SYSTEM - The invention provides a method for cycle-by-cycle control of a LED current (ILED) flowing through a LED circuit arrangement (LEDCIRC) at a mean LED current level. The method comprises a) establishing a converter current (IL), b) establishing an oscillation of the converter current (IL) between substantially a valley current level and substantially a peak current level, c) feeding the LED circuit arrangement (LEDCIRC) with the converter current (IL) as the LED current during a part of an oscillation cycle of the oscillation of the converter current, d) determining a current level correction for compensating a current level error between an integral over an oscillation cycle of the LED current and a reference, the reference being representative of the mean LED current level, and e) adjusting at least one of the valley current level and the peak current level with the current level correction for use in a successive cycle of the oscillation of the converter current. The invention also provides a circuit arrangement operable for using the method, a LED driver IC using the circuit arrangement, a circuit composition with at least one LED and the circuit arrangement, and a lighting system with the circuit composition. | 2011-03-24 |
20110068714 | HIGH PRESSURE DISCHARGE LAMP LIGHTING DEVICE AND ILLUMINATION INSTRUMENT - In an event of switching a DC output voltage of a boost chopper circuit from a first DC output voltage to a second DC output voltage, a boost chopper control circuit operates a boost chopper circuit intermittently. Therefore, a stop period of the boost chopper circuit is shortened as compared with a case where the boost chopper control circuit does not operate the boost chopper circuit intermittently. As a result, it becomes possible to supply a control power also when the DC output voltage of the boost chopper circuit is switched at a starting time of a high pressure discharge lamp while avoiding size and cost increases of a power supply circuit that supplies the control power. | 2011-03-24 |
20110068715 | LED Light Sources with Improved Thermal Compensation - A compound light source that compensates for changes in electrical conversion efficiency with increasing operating temperature is disclosed. The compound light source generates light of a design intensity at a design temperature in response to a drive current flowing through the light source. The light source includes a primary light source and a compensating light source. The primary and compensating light sources convert an electrical current passing therethrough to light, each light source being characterized by an electrical conversion efficiency that decreases with increasing temperature and that also decreases with increasing current. The compound light source includes a temperature sensor that measures the temperature of the primary light source and a current splitting circuit that divides the drive current between the primary and compensating light sources to compensate for the decrease in efficiency of the primary light source with temperature above the design temperature. | 2011-03-24 |
20110068716 | SEMICONDUCTOR LIGHT EMITTING DEVICE COMPRISING HETEROJUNCTION - A semiconductor light emitting device ( | 2011-03-24 |
20110068717 | Twin Internal Ion Source For Particle Beam Production With A Cyclotron - The present invention relates to a cyclotron including two internal ion sources for the production of the same particles. The second ion source can be used as a spare ion source which strongly increases the uptime and the reliability of the cyclotron and reduces the maintenance interventions. Advantageously, the cyclotron is further characterized by an optimized close geometry of the different elements within the central region of the cyclotron. The cyclotron of the invention may be further characterized by an adaptation and optimization of the shape of first and second internal ion source to avoid particle losses during the first turn of acceleration. The cyclotron may be further characterized by an adaptation and optimization of the shape of the counter-Dee electrode assembly and possibly the Dee-electrode assembly in order to improve the acceleration field in-between the gaps. | 2011-03-24 |
20110068718 | VIBRATION-TYPE MOTOR CONTROLLER AND OPTICAL APPARATUS - A vibration-type motor controller controls a driving speed of a vibration-type motor relatively moving a vibrating body in which a vibration is excited by an electromechanical energy conversion element 20 to which a first frequency signal and a second frequency signal having a phase difference are applied, and a contacting body which contacts the vibrating body. The vibration-type motor controller includes a speed controller 1 configured to alternately switch a frequency control which changes frequencies of the first and second frequency signals while fixing the phase difference and a phase difference control which changes the phase difference while fixing the frequency so that at least one of a plurality of frequency controls or a plurality of phase difference controls are included to increase and decrease the driving speed of the vibration-type motor. | 2011-03-24 |
20110068719 | BATTERY SYSTEM - A battery system manages a plurality of battery cells of an assembled battery. The battery system includes at least a plurality of battery cell management units which is connected to the battery cells and manages the connected battery cells. The battery cell management units are connected to each other. Each of the battery cell management units comprises at least an operation mode switching unit, a parameter-related data generating unit, a parameter data transmitting unit, a parameter data receiving unit, a minimum value specifying unit, a switching command data transmitting unit, and a switching command data receiving unit. | 2011-03-24 |
20110068720 | DIRECT CURRENT MOTOR - A DC motor including a stator which includes a shell, a main magnetic pole and an exciting coil; a rotator disposed inside the stator; a brush holder disposed at an end of the shell; first and second carbon brushes disposed on the brush holder and contacted with the rotator respectively; a current direction controller disposed on the brush holder and connected with the first and second carbon brushes and first and second ends of the exciting coil respectively so as to control a direction of a current supplied to the exciting coil; and a cover disposed at the end of the shell so as to enclose the brush holder. The motor according to the present invention is compact in structure, small in volume, and occupies a small mounting space, and the work load of sealing and insulating is reduced, thus reducing the cost and improving the manufacture efficiency. | 2011-03-24 |
20110068721 | Drive device - A driving device for a hatch in a vehicle, with a housing tube connected to a base part or to a movable structural component part, a protective tube connected to the movable structural component part or to the base part, a spindle drive having a threaded spindle and a spindle nut arranged on the threaded spindle by which the housing tube and the protective tube are movable axially relative to one another. A rotary drive drives the spindle drive in rotation includes at least one electric motor. The driving device has a safety circuit that causes a braking effect on the rotary drive when the rotary drive is deactivated and when extraneous forces are introduced into the driving device from the outside. | 2011-03-24 |
20110068722 | Open-Loop or Closed-Loop Control Method for a Converter - An open-loop or closed-loop control method for a converter which supplies an electric motor, wherein a current space vector is acquired as motor current, and the motor voltage, in particular a voltage space vector, is set, an induced voltage space vector | 2011-03-24 |
20110068723 | System For Operating DC Motors And Power Converters - A system is disclosed for driving a DC motor ( | 2011-03-24 |
20110068724 | Sensorless Lost/Found Rotor Detection for Permanent Magnet Motors - Various methods of detecting a found rotor, a lost rotor, a locked rotor and a caught rotor after a power disruption using flux estimates are disclosed. Also disclosed are permanent magnet motor controllers and assemblies suitable for performing one or more of these methods. | 2011-03-24 |
20110068725 | LINEAR ACTUATOR - A linear electro-mechanical actuator comprises a housing with a reversible DC-motor ( | 2011-03-24 |
20110068726 | FAN CONTROL SYSTEM - A fan control system includes a linear adjustor, an input/output controller, and a temperature sensor. A first terminal of the linear adjustor is connected to a first power supply. A second terminal of the linear adjustor is connected to a fan and grounded via a first resistor and a second resistor in series. A third terminal of the linear adjustor is connected to a node between the first resistor and the second resistor. A first terminal of the input/output controller is connected to the third terminal of the linear adjustor via a third resistor. A second terminal of the input/output controller is connected to the temperature sensor. | 2011-03-24 |
20110068727 | METHOD AND SYSTEM FOR MONITORING POWER ELECTRONICS CONTROLLERS IN AUTOMOTIVE ELECTRICAL SYSTEMS - Methods and systems are provided for monitoring an automotive electrical system including an inverter having at least one switch. First and second voltage commands corresponding to respective first and second components of a commanded voltage vector on a synchronous frame of reference coordinate system are received. A plurality of duty cycles for operating the at least one switch are calculated based on the first and second voltage commands. First and second actual voltages are calculated based on the plurality of duty cycles. The first and second actual voltages correspond to respective first and second components of an actual voltage vector on the synchronous frame of reference coordinate system. An indication of a fault is generated based on the difference between the first components of the commanded voltage vector and the actual voltage vector and the difference between the second components of the commanded voltage vector and the actual voltage vector. | 2011-03-24 |
20110068728 | MOTOR DRIVE DEVICE - A motor drive device has a drive unit at least three sets of upper and lower arms, each of the at least three sets of upper and lower arms having switching elements thereon, for driving a motor based on an ON/OFF operation of each of the switching elements by a PWM signal, a single current detection resistor for detecting current flowing to the drive unit, and a control unit for detecting a current value of the current flowing to each of phases of the motor based on the current flowing to the current detection resistor, and outputting the PWM signal to each of the switching elements based on a target current value of each of the phases and the detected current value of each of the phases. The control unit has an upper stage regeneration abnormality determination unit for detecting the current flowing to the current detection resistor in an upper stage regeneration state, in which the switching elements of the upper arm of all of the phases are in an ON state and the switching elements of the lower arm of all of the phases are in an OFF state, and determining abnormality based on the detection result, and a lower stage regeneration abnormality determination unit for detecting the current flowing to the current detection resistor in a lower stage regeneration state, in which the switching elements of the upper arm of all of the phases are in the OFF state and the switching elements of the lower arm of all of the phases are in the ON state, and determining abnormality based on the detection result. | 2011-03-24 |
20110068729 | Wind Turbine with Adjustable Electrical Generator - A wind driven turbine includes a perimeter rim that carries a rotor, and a stator is positioned at the annular path of the rotor with field coils positioned on opposite sides of the rotor that generate electricity in response to the rotation of the rotor. A proximity gauging means selectively maintains the field coils at predetermined distances from the rotor. The wind turbine may be mounted on a floatable support. | 2011-03-24 |
20110068730 | Motor control apparatus - In an automatic transmission position control by a motor, it is determined whether the present instant belongs to a starting period, that is, the present instant is immediately after resetting of a control unit or application of power to it. If it is the starting period, an actual shift position that is detected from an output of an output shaft sensor for detecting a rotation position of a motor is set as an instructed shift position. With this measure, even if the control unit is reset for a certain reason while the vehicle is running, the instructed shift position is not changed in association with the resetting. This prevents trouble that the shift position is switched contrary to the intention of the driver, whereby the reliability of a position switching control can be increased. | 2011-03-24 |
20110068731 | LINEAR ENCODER, LINEAR MOTOR SYSTEM, AND METHOD OF MANUFACTURING LINEAR ENCODER - An encoder includes: a main scale having two or more band-shaped tracks in each of which an optical main grating is formed so that longitudinal direction of the main scale corresponds to a measurement axis direction; and an index scale opposed to the main scale so as to form a diffraction interference optical system in cooperation with the main grating, disposed so as to be movable relative to the main scale in the measurement axis direction, and in which two or more optical index gratings are formed. A plurality of slits included in the main grating in at least one track are formed so as to be inclined at a predetermined inclination angle from a direction perpendicular to the measurement axis direction so that pitch of the slits in the track becomes equal to the pitch of the slits in the at least one other track. | 2011-03-24 |
20110068732 | DRIVER CIRCUIT - A stepping motor includes two coils. A driver circuit drives the stepping motor by setting dissimilar phases of supply currents to these two coils. One terminal of one coil is connected to ground and another terminal is set to a high impedance state, and an induced voltage generated at that coil is detected as a voltage with respect to ground. Then, in accordance with the state of the detected induced voltage, the magnitude of motor drive current supplied to the two coils is controlled. | 2011-03-24 |
20110068733 | Electronic vampire - Even though this patent shows relays being used it is not intended to be this way. Any electronic switch can be used, also, the same is true for the AC/DC (Alternating Current to Direct Current) converter. | 2011-03-24 |
20110068734 | BATTERY MAINTENANCE KIT - A battery maintenance kit for sealed batteries is disclosed that is useful for as servicing sealed 6 volt/12 volt lead acid batteries and optionally determining the state of charge of such a battery. In exemplary embodiment of the invention, the battery maintenance kit is configured as a universal kit for servicing sealed batteries used in a variety of 6 volt/12 volt DC vehicle applications, such as applications for automobiles and trucks, motorcycles, lawn tractors and all terrain vehicles (ATVs). For example, the battery maintenance kit may be equipped with a 6/12 volt DC compact battery charger with a quick disconnect harness. Various termination assemblies may be provided including battery clamps, a cigarette lighter adapter and ring terminals, which enable the battery charger to be used in various applications. The battery maintenance kit may also include a voltmeter, wrenches, a flashlight, battery side mount conversion terminals and a battery post cleaner. In accordance with an important aspect of the invention. The interior of the carrying case is formed with a dedicated compartment for each item in the kit that is segregated from all other compartments. The compartments for some items are form fitting compartments and are thus configured to the shape of the item to be carried. One or more studs is provided in one dedicated compartment for securely carrying the battery clamps. The carrying case allows all of the items to be carried securely in a closed carrying case and transported without movement in the carrying case. | 2011-03-24 |
20110068735 | Systems and Methods of Accurate Control of Battery Pre-charge Current - Systems and methods for accurate control of battery pre-charge current use external charge FET external discharge FET for accurate control of battery pre-charge current. A low V | 2011-03-24 |
20110068736 | POWER CHARGING OF MOBILE DEVICES - A method is provided of charging a mobile device by a charger device, comprising transmitting and receiving a charging current via the Hot Plug Detect (HPD) pin of an HDMI cable connected between the mobile device and the charging device. The HDMI source device (the mobile device) and the HDMI sink device (the charger device) are also provided. | 2011-03-24 |
20110068737 | SYSTEM AND METHOD FOR REDUCED THERMAL RESISTANCE BETWEEN A POWER ELECTRONICS PRINTED CIRCUIT BOARD AND A BASE PLATE - An apparatus includes a base plate including a plurality of depressions, and a power electronics printed circuit board including a plurality traces and a plurality of high voltage components. The plurality of high voltage components is located at a plurality of locations corresponding to the plurality of depressions in the base plate. A plurality of fasteners secures the printed circuit board to the base plate with the plurality of high voltage components received at the corresponding plurality of depressions. A thermally conductive and electrically isolating interface between the base plate and the printed circuit board is made of a gap filler material conforming to the base plate and to the plurality of depressions in the base plate, and conforming to the printed circuit board and to the plurality of high voltage components. | 2011-03-24 |
20110068738 | RECHARGING SYSTEM FOR A RECHARGEABLE BATTERY OF AN INVERTED PENDULUM TYPE VEHICLE - A recharging system for a rechargeable battery ( | 2011-03-24 |
20110068739 | PARKING MANAGEMENT SYSTEM - Parking spaces are managed by providing: a parking space monitor with a vehicle detector responsive to the presence of a vehicle in a parking space and a power supply to recharge vehicle batteries, an alarm, a code entry device for entry of an authorization code, and a computer system programmed to receive requests to reserve a selected parking space for a selected time slot; to accept the request if the selected space is available for the selected time slot; to provide an authorization code to the requester if the request is accepted; to respond to a signal from the vehicle detector indicating the presence of a vehicle in the selected space during the selected time slot; and to activate the alarm if a vehicle is detected in the selected parking space during the selected time slot until the authorization code is entered in the code entry device by the requester. | 2011-03-24 |
20110068740 | POWER SUPPLY SYSTEM FOR VEHICLE, ELECTRIC VEHICLE HAVING THE SAME, AND METHOD OF CONTROLLING POWER SUPPLY SYSTEM FOR VEHICLE - A power supply system for a vehicle, configured to be chargeable by a power supply outside the vehicle, includes: a rechargeable electrical storage device; a charger configured to charge the electrical storage device with electric power supplied from the power supply outside the vehicle; a voltage converter configured to convert voltage of electric power output from the electrical storage device and to supply the converted electric power to an auxiliary load; and a controller controlling the voltage converter. The controller includes a remaining time estimation unit estimating a remaining time up to completion of charging of the electrical storage device by the charger and a control unit, when the estimated remaining time is longer than a predetermined period of time, controlling the voltage converter so that a voltage output from the voltage converter is lower than that during system operation in which the vehicle can travel. | 2011-03-24 |
20110068741 | Flashlight battery charger - A flashlight battery charger is revealed. The flashlight battery charger mainly includes a rechargeable battery with a socket mounted in a flashlight and a charger. The rechargeable battery is charged by the socket connected with a city power system. After completing charging, the rechargeable battery is connected with various electronic products by the charger plugged into the socket so as to charge the electronic products. Thus the power in the rechargeable battery is not only provided to the flashlight for but is also provided to charge the electronic products. Moreover, the flashlight battery charger is portable so that it can be directly used to charge the electronic products to the maximum capacity and the inconvenience caused by no power source for electronic products is avoided. Therefore, the flashlight battery charger has more practical values. | 2011-03-24 |
20110068742 | AUDIO DEVICE THAT INTERFACES WITH A BATTERY CHARGER - Audio devices powered by rechargeable batteries or an external power source including a separate audio device housing and battery charger housing that are engageable with each other. The audio device housing and battery charger housing can share an external power source. Furthermore, when separated, the audio device housing and battery charger housing are usable alone to produce sound and to charge a battery, respectively. In some instances, a battery placed in a first position is charged and, when placed in a second position, provides power to the audio circuit. | 2011-03-24 |
20110068743 | TERMINAL COMPONENT AND PORTABLE ELECTRONIC DEVICE - A terminal component that is inexpensive and has a high degree of freedom of mounting and a portable electronic device using the terminal component are provided. The terminal component | 2011-03-24 |
20110068744 | SYSTEM AND METHOD FOR BATTERY CELL BALANCING - Without battery cell balancing, voltages of multiple series-connected battery cells may quickly become out of balance, which causes some cells of the battery to deteriorate faster than others, and reduces the life cycle of the battery. Embodiments of the present invention address this problem by providing a system for balanced charging of multiple series-connected battery cells. The system includes resistors that are selectably and electrically coupled in parallel with respective battery cells via activation and deactivation of respective switches. The system also includes a control unit that is configured to determine a battery cell having a lowest voltage among the battery cells, and to activate and deactivate the switches as a function of differences in voltages between the voltage of the lowest battery cell and voltages of each of the other battery cells, thus, providing balanced charging of the multiple series-connected battery cells. | 2011-03-24 |
20110068745 | Battery cell protection and conditioning circuit and system - A type of protection and cell conditioning circuit is proposed that partly uses the typically existing hardware present in traditional cell-protection circuits and that can achieve an optimum state of charge for the individual cell independently from the actions of the external battery charger. For minimum cost, the proposed circuit and system can solve the battery-cell-balancing problem, while optimizing the performance of the battery pack and while simultaneously enhancing the safety of the battery pack. Multiple battery cells can be communicatively combined to form large batteries. Information from and commands to each of the individual battery cells can be relayed through a low-power serial bus in order to form “intelligent” and optimally managed battery systems. | 2011-03-24 |
20110068746 | METHOD AND APPARATUS FOR INTELLIGENT BATTERY CHARGE EQUALIZATION AND MONITORING - An intelligent battery charge equalization and monitoring system may assist in the management of battery string health by detecting individual batteries within a string that may need servicing. The system may detect a battery within a string that is charged to a higher voltage than other batteries within the string and discharge the overcharged battery until the battery's charge is equalized with the other batteries in the string. The system may use metrics related to how often individual batteries within a string of batteries must be equalized and utilize these metrics to perform maintenance actions. | 2011-03-24 |
20110068747 | CYCLIC SELF-MAINTENANCE BATTERY DEVICE - The present invention relates to a cyclic self-maintenance battery device, which describes a self-maintenance battery device that can be coupled to batteries, and the batteries are coupled to a load, The self-maintenance battery device comprises a charger module, an electric discharge module, a control module and a SOH (State of Health) indication, wherein the control module assigns the batteries to be in standby state, charging mode or discharging mode. Accordingly, the present invention can continuously charge, discharge the batteries, and thus prevent an AC (alternating current) power from continuous charging the batteries for long periods of time causing problems of battery degradation, thereby prolonging the serviceable life of the batteries, reducing the number of times the batteries need to be replaced, and further achieving the environmental protection objective. | 2011-03-24 |
20110068748 | Battery Power Routing Circuit - A battery power routing circuit includes a first battery contact block with first positive battery electrical contact and a first negative battery electrical contact, and a second battery contact block, with a second positive battery electrical contact and a second negative battery electrical contact. A positive terminal is in electrical communication with the first and second positive battery electrical contacts, and a negative terminal is in electrical communication with the first and second battery negative electrical contacts. | 2011-03-24 |
20110068749 | BATTERY CHARGING AND ELECTRICAL ENERGY DELIVERY SYSTEM AND BATTERY OPERATED SYSTEM - A battery charging and electrical energy delivery system ( | 2011-03-24 |
20110068750 | UNIVERSAL SERIAL BUS BATTERY - A universal serial bus battery includes a universal serial bus interface, a battery, a charger, a comparator, a first switch, and a second switch. The comparator is configured for comparing the voltage at the universal serial bus interface and the voltage of the battery, and to produce an ON signal when the voltage at the serial bus interface exceeds the voltage of the battery, or to produce an OFF signal otherwise. The first switch is configured for establishing an electrical connection between the USB interface and the charger upon receiving the ON signal or cutting off the connection upon receiving the OFF signal. The second switch is configured for establishing a connection between the universal serial bus interface and the battery when the connection between the USB interface and the charger is terminated by the first switch. | 2011-03-24 |
20110068751 | SAFETY CAPACITOR DISCHARGING METHOD AND APPARATUS FOR AC-TO-DC CONVERTERS - The present invention discloses a safety capacitor discharging method for AC-to-DC converters, wherein the AC-to-DC converters have a safety capacitor connected between two line voltages, the method comprising the steps of: detecting at least one line voltage to generate a line-off signal, wherein the line-off signal is at a first state when the peak voltage of the at least one line voltage is above a reference voltage, and the line-off signal is at a second state when the peak voltage of the at least one line voltage is below the reference voltage; and performing discharge of the safety capacitor by generating a conduction path between two plates of the safety capacitor when the line-off signal is at the second state. The present invention also provides a safety capacitor discharging apparatus for AC-to-DC converters. | 2011-03-24 |
20110068752 | OUTPUT CONTROL APPARATUS OF GENERATOR - A generator ( | 2011-03-24 |
20110068753 | GENERATOR WITH QUADRATURE AC EXCITATION - A generator system is configured to supply two phase excitation current from an exciter rotor to a main generator rotor. When driven by a variable speed prime mover, the generator system provides relatively constant frequency AC power by independently controlling the main rotor flux rotational speed. The generator system includes an exciter stator that induces current in the exciter rotor windings at a desired frequency and phasing. The exciter rotor windings are electrically connected to the main rotor windings to provide two-phase excitation current to the main rotor windings. Excitation is supplied to the exciter stator from an exciter controller, which controls the frequency and phasing of the exciter excitation, based on the rotational speed of the generator, to maintain a constant output frequency. The exciter frequency control function of the exciter controller may be eliminated when the generator system is driven by a constant speed prime mover or when a narrow band variable frequency output is required. | 2011-03-24 |
20110068754 | ELECTRONIC DEVICE AND METHOD FOR DC-DC CONVERSION - An electronic device for DC-DC conversion of an input voltage into an output voltage is provided. The electronic device includes a current mode control loop for controlling a sensed current of the DC-DC conversion by comparing a voltage level indicating a magnitude of the sensed current with a reference voltage level indicating the maximum admissible magnitude of the sensed current. The reference voltage level is dynamically adjusted in response to a change of an input voltage level. | 2011-03-24 |
20110068755 | METHOD FOR OPTIMIZING THE EFFICIENCY OF AN ENERGY SYSTEM - The invention relates to a method for optimizing the efficiency of an energy system, which system has at least one energy unit that is coupled to a control unit and a DC/DC converter for regulating the power output of the energy unit, and the control unit regulates the power output to an electrical component via the DC/DC converter as a function of an operating state of the energy system. According to the invention, it is provided that the energy unit communicates with an observer via a first information channel, and information from the energy unit is transmitted during the operation of the energy system via the first information channel to the observer, which from the transmitted information ascertains the efficiency performance of the energy unit and transmits the efficiency performance to the control unit via a second information channel, as a result of which the overall efficiency of the energy system is improved. | 2011-03-24 |
20110068756 | BAND-GAP REFERENCE VOLTAGE GENERATION CIRCUIT - A band-gap reference voltage generation circuit and methods thereof. A band-gap reference voltage generation circuit may include a current generator configured to generate a first current and/or a second current. A band-gap reference voltage generation circuit may include a current controller including a first resistor, through which a first current may flow, a first bipolar transistor connected with a first resistor at an emitter of a first bipolar transistor and/or connected with a node at a base of a first bipolar transistor, and/or a second bipolar transistor connected with a node at a base of a second bipolar transistor. A band-gap reference voltage generation circuit may include a current controller to generate a proportional to absolute temperature current, a feedback unit to control first and second currents to be substantially equal, and a band-gap voltage output unit to generate a reference voltage in response to a PTAT current. | 2011-03-24 |
20110068757 | Switching converter having a plurality N of outputs providing N output signals and at least one inductor and method for controlling such a switching converter - This invention provides a switching converter having a plurality N of outputs providing N output signals and at least one inductor, comprising a first controlling device for controlling the total energy flowing over the inductor to the N outputs dependent on a first control signal, at least a second controlling device for distributing the total energy between the N outputs by means of at least a second control signal, wherein the first controlling device is coupled to all N outputs for receiving a number M of the respective feedback output signals of the N outputs, M≦N, wherein the first controlling device comprises first means for weighting the M feedback output signals and second means for providing the first control signal dependent on the weighted M feedback output signals. | 2011-03-24 |
20110068758 | REGULATED CIRCUITS AND OPERATIONAL AMPLIFIER CIRCUITS - Circuits providing a regulated voltage. An output stage has a power switch with a control node, a power input node and a power output node. The power input node is coupled to a source voltage and the power output node provides the regulated voltage. An amplifier stage compares a feedback voltage with a reference voltage, having first and second output nodes. The feedback voltage is about in proportion to the regulated voltage. A buffer stage has an input node connected to the first output node. The output node of the buffer stage and the second output node of the amplifier stage together drive the control node of the output stage. | 2011-03-24 |
20110068759 | Switching Regulator for Fixing Frequency - A switching regulator for fixing a frequency which includes a power stage circuit, for receiving an input voltage and outputting an output voltage according to an control signal; a reference voltage generator for generating a reference voltage; a comparator for outputting a comparing result according to the output voltage and the reference voltage; a constant-time trigger circuit for outputting the control signal according to the comparing result and a compensating signal; an a frequency compensator for outputting the compensating signal according to the output voltage and a phase signal; wherein the phase signal is corresponding to the magnitude of the voltage across the lower gate switch of the power stage circuit. | 2011-03-24 |
20110068760 | POWER SUPPLY CIRCUIT - A power supply circuit arranged in a circuit board to supply a determined voltage to an element is disclosed. The power supply circuit includes two voltage receiving terminals to receive voltage signals, a window comparator, and an electrical switch. The comparator drives the electrical switch to be turned on, therefore a terminal of the electrical switch stably output the determined voltage to the element. | 2011-03-24 |
20110068761 | AVERAGE CURRENT REGULATOR AND DRIVER CIRCUIT THEREOF AND METHOD FOR REGULATING AVERAGE CURRENT - The present invention discloses an average current regulator, a driver circuit of an average current regulator, and a method for regulating an average current. The average current regulator includes: a power stage including at least one power transistor which switches according to a pulse width modulation (PWM) signal to convert an input voltage to an output current; a feedback circuit coupled to the power stage, for generating a feedback signal; an ON-time controller coupled to the feedback circuit, for receiving the feedback signal and generating an ON-time signal according to the feedback signal and an average reference signal relating to a target average current; and a PWM controller, for generating the PWM signal according to the ON-time signal to regulate the average of the output current to the target average current. | 2011-03-24 |
20110068762 | CURRENT SENSING CIRCUIT AND SWITCHING REGULATOR INCLUDING THE SAME - A current sensing circuit configured to sense current flowing through a switching transistor of a non-insulated switching regulator, the current sensing circuit includes a voltage divider circuit portion; a first transistor; a first impedance element; a second transistor; a third transistor; and a first voltage comparing circuit portion, wherein control terminals of the first transistor, the second transistor, and the third transistor are connected to each other and a connecting portion of the control terminals is connected to a connecting portion between the third transistor and the first constant current source. | 2011-03-24 |
20110068763 | DUTY FEED FORWARD METHOD AND APPARATUS FOR MODULATING A DUTY OF A PMW SIGNAL AND POWER CONVERTING METHOD AND POWER CONVERTER USING THE SAME - The duty of a PWM signal in a power converter is extracted to feed forward to modulate the slope of a linear oscillating ramp signal or the voltage level of an error signal, so as to modulate the duty of the PWM signal, by which the transient response of the power converter and the stability of the PWM loop both are improved. | 2011-03-24 |
20110068764 | Semiconductor Circuits Capable of Mitigating Unwanted Effects Caused by Input Signal Variations - Semiconductor circuit capable of mitigating unwanted effects caused by variations in a received input signal are provided, in which a main circuit receives an input signal and comprises a first current source coupled between a first node and a first power voltage to generate a first current according to a first bias voltage. A replica circuit is coupled to the main circuit to duplicate a variation in a voltage at the first node caused by a variation in the input signal and dynamically adjusts the first bias voltage according to the duplicated variation such that the first current is maintained at a constant. | 2011-03-24 |
20110068765 | SYSTEM AND METHOD FOR POWER CALIBRATING A PULSE GENERATOR - An apparatus is disclosed for generating an output signal (e.g., a defined pulse), including a power or current calibration feature. The apparatus comprises a current source adapted to generate a first current to produce the output signal, a current sampling module adapted to generate a second current as a function of (e.g., substantially proportional or equal to) the first current, a reference current module (e.g., a bandgap current source) adapted to generate a third current, and a calibration module adapted to calibrate the first current based on the second and third currents. The current source comprises a plurality of selectable current paths. The current sampling module comprises a replica of at least a portion of one or more current paths of the current source. The calibration module may perform a calibration in response to a defined time, an environment parameter (temperature, voltage, pulse repetition frequency, amplitude requirement change, etc.), or the output signal not being generated. | 2011-03-24 |