18th week of 2012 patent applcation highlights part 24 |
Patent application number | Title | Published |
20120104916 | HARD DRIVE CARRYING DEVICE AND HARD DRIVE BOX THEREOF - A hard drive carrying device and its hard drive box can fasten a plurality of hard drive boxes in a containing slot of the supporting stand by utilizing simplified mechanism so that a user can rapidly open the locking of the hard drive box by pressing a pressing member to quickly take the hard drive box out from the supporting stand. A hard drive carrying device comprises a supporting stand with a plurality of containing slots, a plurality of hard drive boxes, wherein each hard drive box comprises a main frame, an engaging member and a lock protection member, wherein the lock protection member further comprises a sliding piece, a fastening elastic piece, a pressing member and an elastic member. The device uses the structural design to exactly thin the opening mechanism for the hard drive box to effectively reduce the occupied space so as to increase the actual application. | 2012-05-03 |
20120104917 | SERVER RACK - A server rack includes a case, a rear door panel and a latching device. The case defines an opening; the rear door panel is rotatably secured to the case; the latching device includes a controlling member secured to the positioning member and a positioning member secured to the controlling member; the positioning member is slidable relative to the rear door panel, to be engaged in the opening or disengaged from the opening; the controlling member is adapted to slide and lock the positioning member. | 2012-05-03 |
20120104918 | DATA CENTER - A data center including a container, at least one cabinet, at least one support rack, and a support element. The at least one support rack is installed on the bottom of the container along a first direction of the container. The support element is installed under each of the at least one cabinet and on the at least one support rack and can slide along the at least one support rack. The cabinet can slide relative to the support element along a second direction of the container. | 2012-05-03 |
20120104919 | CONTAINER DATA CENTER - A container data center includes a mobile container, two rails, two supports, and a rack. The container includes a top wall and a bottom wall opposite to the top wall. The rails are attached to the top wall facing the bottom wall. The supports are attached to the bottom wall facing the top wall, corresponding to the rails. The rack is received in the container. The rack includes a top plate, a bottom plate opposite to the top plate, two rows of first slide members attached to the top plate, and two rows of second slide members attached to the bottom plate. The rows of first slide member slidably resist against the rails, and the rows of second slide member slidably resist against the supports. | 2012-05-03 |
20120104920 | CONTAINER DATA CENTER - A container data center includes a portable container, two supports, two first slide rails, and a rack. The container includes a top wall and a bottom wall opposite to the top wall. The supports are formed on the bottom wall facing the top wall. The first slide rails are formed on tops of the supports. The rack includes two rows of slide portions formed on a bottom plate, each row of slide portions slidably resist against the first slide rail of a corresponding support. Thereby, the rack is slidably received in the container. | 2012-05-03 |
20120104921 | MERCHANDISING PLATFORM AND HANDLE APPARATUS FOR A MERCHANDISER - A merchandiser a case defining a product display area, and a lid disposed over the product display area and substantially enclosing at least a portion of the product display area. The lid is movable between an open position providing access to the product display area and a closed position limiting access to the product display area. The merchandiser also includes a handle assembly that has a handle coupled to and rotatable relative to the lid as the lid moves between the open position and the closed position. | 2012-05-03 |
20120104922 | HINGE DEVICE AND ULTRA-DEEP FREEZER USING THE SAME - A hinge device features improved ease of installation/removal of covers thereof to/from mounting bases thereof. The hinge device, which has mounting bases and knuckles, is connected such that it swings on a hinge pin inserted in the knuckles. The covers conceal mounting screws of the mounting bases. Each of the mounting bases has recesses formed in a side surface on a non-supporting side, grooves which are formed in a side surface adjacent to both ends in the axial direction of the hinge pin and which extend to a side surface, and an engaged portion concavely formed in each of the groove. The inner side of the cover has engaging portions which are inserted in the groove and which detachably engages with the engaged portion when the cover is installed, and also has protruding streaks which enter into and engage with the recesses. | 2012-05-03 |
20120104923 | REFRIGERATOR COMPRISING VACUUM SPACE - The refrigerator includes a body having a storage space for storing a predetermined storage object, wherein the body includes an inner case having the storage space, an outer case having an inside surface spaced a predetermined gap from an inside surface of the inner case to house the inner case, a vacuum space provided between the inner case and the outer case enclosed to maintain a vacuum state for heat insulating between the inner case and the outer case, and a sealing unit for sealing a front of the vacuum space formed between a front of the inner case and a front of the outer case and reducing a heat transfer rate between the inner case and the outer case. | 2012-05-03 |
20120104924 | SHELF ASSEMBLY WITH A SINGLE-PIECE FRAME PARTICULARLY SUITED FOR USE IN A REFRIGERATION APPLIANCE - A shelf assembly is provided that is particularly suited as a spill-proof shelf for a refrigeration appliance. The shelf assembly includes a shelf pane having perimeter edges. A single-piece frame structure is fitted around the perimeter of the shelf pane. The frame structure includes a unitary upper frame member that extends inwardly from the pane edges along a top surface of the shelf pane. A respective lower frame member is connected to the upper frame member along each edge of the shelf pane and is pivotally configured with the upper frame member. The lower frame members are folded under and extend inwardly along a bottom surface of the shelf pane. An attachment mechanism is configured between the respective lower frame members and the upper frame member outward of the edges of the shelf pane. | 2012-05-03 |
20120104925 | SHELF ASSEMBLY PARTICULARLY SUITED FOR USE IN A REFRIGERATION APPLIANCE - A shelf assembly is provided that is particularly suited for use in a refrigeration appliance. The shelf assembly includes a pane having edges that define a perimeter around the pane. A single-piece frame structure is fitted around the perimeter of the pane. The frame structure includes a unitary upper frame member having a flange portion extending inwardly from the pane edges and sealed against a top surface of the pane. A unitary lower frame member is connected to the upper frame member along a hinge line such that the upper and lower frame members are closed on each other with the pane seated between opposed flange portions of the frame members. An attachment mechanism is configured between the upper and lower frame members outward of the pane edges. | 2012-05-03 |
20120104926 | SPARK PLUG, PARTICULARLY FOR A STATIONARY INTERNAL COMBUSTION ENGINE - A spark plug, especially for a stationary internal combustion engine, is described that includes a ground electrode and a center electrode, the center electrode including an inner area, an outer ring and at least two crosspieces, in which the at least two crosspieces connect the inner area to the outer ring. | 2012-05-03 |
20120104927 | SPARK PLUG WITH UNDERCUT INSULATOR - A spark plug for an internal combustion engine, the spark plug having: an elongated center electrode having a center electrode tip at one end and a terminal proximate the other end; an insulator substantially surrounding the center electrode, the insulator having a channel formed in an exterior surface of the insulator; and an outer shell surrounding the insulator, the outer shell having a jamb nut portion and a distal end extending from the jamb nut portion, the distal end of the outer shell is aligned with the channel such that the distal end of the outer shell is received in and engages the channel of the outer shell. | 2012-05-03 |
20120104928 | LAMP - A lamp of the present invention includes a luminous base and a bulb. The bulb includes a model and a covering layer. The covering layer is made of transparent material. The model is covered by the covering layer substantially. The model has an optical property different from that of the covering layer. As such, patterns and sculptures can be provides with the model. A smooth outer surface can be formed with the covering layer. An artistic lamp provided by the present invention can be cleaned up easily. | 2012-05-03 |
20120104929 | PHOSPHOR WITH Ce3+/Ce3+, Li+ DOPED LUMINESCENT MATERIALS - The present disclosure provides an illuminating system including a light emitting device and a luminescent material disposed approximate the light-emitting device. The luminescent material includes a strontium silicon nitride (SrSi | 2012-05-03 |
20120104930 | CORE-SHELL ELECTRON EMISSION MATERIAL - The invention relates to an electron emission material for use in fluorescent lamps that releases a significantly reduced amount of decomposition material, predominantly CO | 2012-05-03 |
20120104931 | PLASMA DISPLAY PANEL - A protective layer of a plasma display panel includes a base layer formed on a dielectric layer, and a plurality of aggregated particles dispersed on an entire surface of the base layer. Phosphor layers include a green phosphor layer containing an Mn | 2012-05-03 |
20120104932 | Fluorescent Display Device - A fluorescent display device is disclosed. The fluorescent display device includes an anode plate, aluminum anode wirings arranged on the anode plate, a first light shielding aluminum film arranged on the anode plate, an insulation layer arranged on both the anode wiring and the first light shielding film, a second light shielding graphite film arranged on the insulation layer, an anode electrode arranged on the insulation layer, and an outer light source display formed by removing a portion of the first light shielding film. The outer light source display is illuminated by a LED to display a predetermined pattern. The second light shielding film is formed along a wiring array arranged on the first light shielding film and the wiring so that a gap between the first light shielding film and the wirings is covered with the second light shielding film. | 2012-05-03 |
20120104933 | Organic Light Emitting Display Apparatus and Method of Manufacturing the Same - In an organic light emitting display apparatus and a method of manufacturing the same, the organic light emitting display apparatus comprises: a first substrate, one surface of which is divided into a non-display area and a display area including an organic light emitting diode (OLED); a second substrate, one surface of which faces the one surface of the first substrate; and a bonding member disposed between the first and second substrates so as to surround the display area of the first substrate, and bonding the first and second substrates to each other to define an inner portion including the display area and an outer portion including the non-display area. A bonding portion formed by the bonding member includes an effective bonding portion and a non-effective bonding portion. The non-effective bonding portion includes an inner non-effective bonding portion contacting one side of the effective bonding portion and disposed adjacent to the inner portion, and an outer non-effective bonding portion contacting another side of the effective bonding portion and disposed adjacent to the outer portion by interposing the effective bonding portion between the inner and outer non-effective bonding portions. | 2012-05-03 |
20120104934 | LIGHT EMITTING APPARATUS, VEHICLE HEADLAMP, ILLUMINATING APPARATUS, AND VEHICLE, AND METHOD FOR ASSEMBLING THE LIGHT EMITTING APPARATUS - A light emitting apparatus includes: a laser element which emits laser light; a light emitting section which generates fluorescence in response to the laser light emitted from the laser element; a parabolic mirror which reflects the fluorescence generated by the light emitting section; and a multilayer filter which transmits the laser light and reflects the fluorescence, the laser element being provided outside the parabolic mirror, the parabolic mirror being provided with a window part through which the laser light passes, and the multilayer filter being provided so as to cover the window part. | 2012-05-03 |
20120104935 | WHITE LIGHT ELECTROLUMINESCENT DEVICES WITH ADJUSTABLE COLOR TEMPERATURE - Solid state lighting devices include a first luminescent element ( | 2012-05-03 |
20120104936 | ILLUMINATION DEVICE - An illumination device includes a transparent substrate and multiple first metal lines. The transparent substrate includes an emitting area and a peripheral area and the emitting area includes multiple sub-emitting areas. The first metal lines are disposed on the transparent substrate, each first metal line has an end connected to a corresponding one of the sub-emitting areas and an opposite end connected to the peripheral area. Each sub-emitting area includes an insulating layer, a second metal line and an OLED layer. The second metal line is disposed between the transparent substrate and the OLED layer, the insulating layer is between the first metal lines and the second metal line, each first metal line is overlapped with the second metal line in vertical projection. One of the first metal lines, which is connected to a first one of the sub-emitting areas, passes through a second one of the sub-emitting areas. | 2012-05-03 |
20120104937 | DISPLAY DEVICE, MANUFACTURING METHOD OF THE DISPLAY DEVICE, ORGANIC LIGHT EMITTING DIODE DISPLAY - A method of manufacturing a display device includes: forming a display unit on a substrate; disposing a bonding layer including thermosetting resin and surrounding the display unit, on the substrate; forming a sealing substrate including a composite member and a metal layer disposed on one side of the composite member, the composite member including a resin matrix and a plurality of carbon fibers; disposing the sealing substrate on the bonding layer such that the metal layer faces the display unit; and bonding the substrate with the sealing substrate by hardening the bonding layer, connecting a power source to the plurality of carbon fibers to use the composite member as a heating body. | 2012-05-03 |
20120104938 | Organic light emitting diode display - An organic light emitting diode (OLED) display includes a first substrate, a plurality of organic light emitting elements on the first substrate, and a second substrate facing the first substrate and spaced apart from the first substrate. The plurality of organic light emitting elements is interposed between the first substrate and the second substrate. The OLED display includes a plurality of color filters in at least one of an area between the second substrate and the organic light emitting elements, and an area between the first substrate and the organic light emitting elements. The OLED also includes a disparity barrier pattern on at least one of a surface of the second substrate that opposes one surface of the second substrate facing the first substrate, and a surface of the first substrate that opposes one surface of the first substrate facing the second substrate. | 2012-05-03 |
20120104939 | ORGANIC LIGHT EMITTING DISPLAY DEVICE - An organic light emitting display device is disclosed. In certain embodiments, the display has improved quality and lower cost because the subpixels of the display are oriented to have their longer sides parallel to the longer sides of the display. With the orientation, during crystallization of the subpixels, laser radiation is projected across the display device in a direction parallel to the short sides of the display device. Accordingly, less expensive laser equipment producing a shorter beam width may be used. | 2012-05-03 |
20120104940 | NOVEL COMPOUNDS FOR ORGANIC ELECTRONIC MATERIAL AND ORGANIC ELECTRONIC DEVICE USING THE SAME - The present invention relates to novel compounds for organic electronic material, and organic electronic devices and organic solar cells using the same. The compounds for organic electronic material may be included in a hole transport layer, electron transport layer or hole injection layer, or may be used as host or dopant. With good luminous efficiency and excellent life property of the material, they may be used to manufacture OLEDs having very good operation life. | 2012-05-03 |
20120104941 | COMPOUND FOR AN ORGANIC PHOTOELECTRIC DEVICE AND ORGANIC PHOTOELECTRIC DEVICE INCLUDING THE SAME - A compound for an organic photoelectric device, an organic photoelectric device, and a display device, the compound being represented by the following Chemical Formula 3a, 3b, or 3c: | 2012-05-03 |
20120104942 | DISPLAY DEVICE AND METHOD FOR MANUFACTURING DISPLAY DEVICE - A display device and a method for manufacturing the display device are provided. The display device includes an organic layer on an auxiliary wiring is removed with high precision by one operation and, thereby, the yield and the productivity are improved. A lower electrode is formed by patterning in each pixel on a substrate. An auxiliary wiring including a light absorption layer is formed between individual pixels. An organic layer is formed on the substrate while covering the lower electrodes. Laser irradiation is conducted from the organic layer side, the laser light is converted to heat in the light absorption layer exposed at a portion under the organic layer, and the organic layer portion above the light absorption layer is removed selectively. An upper electrode is formed on the organic layer and is connected to the light absorption layer portion of the auxiliary wiring. | 2012-05-03 |
20120104943 | MATERIAL FOR ORGANIC ELECTROLUMINESCENCE DEVICE AND ORGANIC ELECTROLUMINESCENCE DEVICE USING THE SAME - Provided are an organic electroluminescence device, which shows high luminous efficiency, is free of any pixel defect, and has a long lifetime, and a material for an organic electroluminescence device for realizing the device. The material for an organic electroluminescence device is a compound having a n-conjugated heteroacene skeleton crosslinked with a carbon atom, nitrogen atom, oxygen atom, or sulfur atom. The organic electroluminescence device has one or more organic thin film layers including a light emitting layer between a cathode and an anode, and at least one layer of the organic thin film layers contains the material for an organic electroluminescence device. | 2012-05-03 |
20120104944 | INK COMPOSITION FOR ORGANIC EL THIN FILM, AND ORGANIC EL ELEMENT - Disclosed is an ink composition for an organic EL thin film, that is, an ink composition for the formation of an organic EL thin film including an organic EL material, a liquid crystalline compound with a bandgap of 3.5 eV or more, and a solvent having an organic compound. Furthermore, the liquid crystalline compound preferably contains no functional group of —CN, —OH, or —F. Moreover, the liquid crystalline compound preferably has a molecular dipole moment of 4.0 debyes or less. | 2012-05-03 |
20120104945 | SEALING FILM FOR ORGANIC EL ELEMENT, ORGANIC EL ELEMENT, AND ORGANIC EL DISPLAY - An object of this invention is to provide a sealing film for an organic EL element having excellent moisture resistance, due to the absence of pinholes. A sealing film of this invention is a sealing film for an organic EL element having a layered structure of at least three layers with a silicon nitride film and a silicon oxynitride film layered in alternation, and is characterized in that odd-numbered layers from the side of the organic EL element are silicon nitride films having a film thickness (T | 2012-05-03 |
20120104946 | EL PANEL, AND ILLUMINATION DEVICE AND DISPLAY DEVICE USING THE SAME - The present invention provides an EL panel, an EL illumination device, and an EL display device in which irregularity of luminance does not easily occur in the in-plane of the EL element by a protection sheet for suppressing conduction of heat on the outermost surface of the EL element. There is an EL panel including: a light-transmissive substrate; an EL element including a light-emitting medium layer interposed between a cathode and an anode, the EL element being provided on one surface of the light-transmissive substrate; and a protection sheet on the other surface of the light-transmissive substrate of the EL element. The protection sheet has a surface opposite to the light-transmissive substrate, the shape of the surface includes rounded convex shapes and prism shapes. Each of the rounded shapes has an apex that is a center point of a cross-section farthest from a bottom surface where the cross-section is parallel to the bottom surface of the unit convex shape and the area becomes smaller in a direction from the bottom surface of the rounded convex shape to a top portion thereof. Irregularity of luminance in the in-plane of the EL element does not easily occur by optimizing the height of the apex and the distance between the apexes. | 2012-05-03 |
20120104947 | COMPACT FLUORESCENT LAMP AND LED LIGHT SOURCE WITH ELECTRONIC COMPONENTS IN BASE - Light sources are presented in which lamp ballast or LED driver circuitry is disposed within a base assembly using integrated boards with components embedded between board layers and or circular flex boards with pot core magnetic components and/or ASICs and thermally conductive board core materials with thermal vias, reflective mirrors, and/or potting materials to conduct heat out through the base to facilitate reduced form factors for lamps and/or LED light sources. | 2012-05-03 |
20120104948 | COMPACT FLUORESCENT LAMP WITH IMPROVED PERFORMANCE AND SIZE - A compact fluorescent lamp includes a discharge tube forming a continuous arc path with electrodes disposed at each end of the path. The lamp includes a fill gas disposed within the discharge tube. The lamp further includes a ballast circuit for controlling current in the discharge tube and operatively connected to the electrodes. The discharge tube is spirally wound around the longitudinal axis of the lamp to form a partially closed cavity and in a preferred arrangement the ballast is positioned within cavity formed by the spirally wound discharge tube. A gap between adjacent turns of the spirally wound discharge tube is less than about 0.5 mm, and preferably about 0.0009 mm. | 2012-05-03 |
20120104949 | LOAD DRIVING APPARATUS AND DRIVING METHOD THEREOF - A load driving apparatus is disclosed. The load driving apparatus includes a driving signal generator and a controller. The driving signal generator is used for providing a driving signal to a load. The controller is used for generating and providing a control signal to the driving signal generator. The driving signal generator generates N integer signals and M fractional signals in a driving period to form the driving signal according to the control signal. N and M are positive integers, and an amplitude of the integer signals is greater than an amplitude of each of the fractional signals. | 2012-05-03 |
20120104950 | METHODS FOR CALIBRATING RF POWER APPLIED TO A PLURALITY OF RF COILS IN A PLASMA PROCESSING SYSTEM - Methods for calibrating RF power applied to a plurality of RF coils are provided. In some embodiments, a method of calibrating RF power applied to a first and second RF coil of a process chamber having a power divider to control a first ratio equal to a first magnitude of RF power provided to the first RF coil divided by a second magnitude of RF power provided to the second RF coil, may include measuring a plurality of first ratios over a range of setpoint values of the power divider, comparing the plurality of measured first ratios to a plurality of reference first ratios, and adjusting an actual value of the power divider at a given setpoint value such that the first ratio of the power divider at the given setpoint matches the corresponding reference first ratio to within a first tolerance level. | 2012-05-03 |
20120104951 | SYSTEM AND METHOD FOR REDUCING LAMP RESTRIKE TIME - Systems and methods for reducing lamp restrike time are provided. In a lighting apparatus having a housing, a reflector, and a lamp positioned so that at least a portion of the outer jacket of the lamp is within the reflector, a circulating device is operated when the lamp is off and a temperature inside the housing is above a predefined temperature. The circulating device circulates air around the outer jacket of the lamp to cool the lamp so the restrike time is reduced without the need for a starting device with a starting voltage high enough to restart the lamp when the lamp is hot. | 2012-05-03 |
20120104952 | DRIVING CIRCUIT FOR CASCADE LIGHT EMITTING DIODES - The driving circuit includes a power module, a Plurality of LED modules, and a constant current component. Each LED module includes a bypass circuit and at least one light emitting diode. The light emitting diode is serially connected between a first end and a second end of the bypass circuit. The first end of each bypass circuit is coupled to the power module or a third end of an adjacent upstream bypass circuit for serially connecting the constant current component electrically, thereby achieving the illumination of different total numbers of LED units in accordance with various voltage changes, and cascade light emitting diodes having increased power efficiency. | 2012-05-03 |
20120104953 | SYSTEMS AND METHODS FOR CONTROLLING SOLID STATE LIGHTING DEVICES AND LIGHTING APPARATUS INCORPORATING SUCH SYSTEMS AND/OR METHODS - A solid state lighting apparatus includes a first plurality of light emitting devices configured to emit light when energized having a first chromaticity, a second plurality of light emitting devices configured to emit light when energized having a second chromaticity, different from the first chromaticity, and a controller configured to control a duty cycle of current supplied to the first plurality of light emitting devices. The controller is configured to control the duty cycle of the first plurality of light emitting devices in response to a change in a plurality of operating conditions of the solid state lighting apparatus in accordance with a model of the duty cycle that relates the duty cycle of the first plurality of light emitting devices to the plurality of operating conditions of the solid state lighting apparatus for a target light output characteristic of the solid state lighting apparatus. Related methods are also disclosed. | 2012-05-03 |
20120104954 | METHOD AND SYSTEM FOR ADJUSTING LIGHT OUTPUT FROM A LIGHT SOURCE - A system having a light guide adapted to collect light from a light source, a light detector attached to the light guide, a controller electrically connected to an output of the light detector, and a driver for driving the light source detachably connected to an output of the controller. The driver includes a memory that stores a calibration value for the light source. | 2012-05-03 |
20120104955 | LED WITH INTEGRATED CONSTANT CURRENT DRIVER - An LED package containing integrated circuitry for matching a power source voltage to the LED operating voltage, LEDs containing such integrated circuitry, systems containing such packages, and methods for matching the source and operating voltages are described. The integrated circuitry typically contains a power converter and a constant current circuit. The LED package may also contain other active or passive components such as pin-outs for integrated or external components, a transformer and rectifier, or a rectifier circuit. External components can include control systems for regulating the LED current level or the properties of light emitted by the LED. Integrating the power supply and current control components into the LED can provide for fabrication of relatively small LEDs using fewer and less device-specific components. | 2012-05-03 |
20120104956 | LED EMITTING DEVICE - The present invention relates to an LED emitting device. | 2012-05-03 |
20120104957 | LIGHT-EMITTING DEVICE - A light-emitting device ( | 2012-05-03 |
20120104958 | OPERATING CIRCUIT FOR LIGHT-EMITTING DIODES - A method is provided for operating at least one LED by a switched-mode regulator circuit to which a DC or a rectified AC voltage is supplied and which provides a supply voltage for at least one LED by a coil and a switch clocked by a control/regulation unit. When the switch is activated, power is temporarily stored in the coil and is discharged through a diode and through at least one LED when the switch is deactivated and the current flows through the LED through a first power storage element which is coupled to a second power storage element. The first power storage element just reaches its maximum capability of storing power due to the current flowing through the LED. A rising current is supplied to the second power storage element such that the time can be detected when the first power storage element recovers its capability of storing power. | 2012-05-03 |
20120104959 | IGNITION SYSTEM AND IGNITION METHOD - An ignition system including a plasma jet spark plug, a discharge power source, and an energy input portion. The spark plug includes a center electrode inserted and installed in the axis hole of an insulator, a ground electrode forming a clearance with the center electrode in between, and a cavity defined by an inner peripheral surface of the axis hole and a top end surface of the center electrode. A plasma is generated in the cavity as the discharge power source generates a spark discharge by applying a voltage to the clearance and the energy input portion inputs electric power into the clearance. The energy input portion inputs electric power into the clearance more than once in a single spark discharge. | 2012-05-03 |
20120104960 | CIRCUIT FOR CONVERTING DC INTO AC PULSED VOLTAGE - The present invention proposes a circuit for converting DC into AC pulsed voltage. The circuit comprises two or four controllable semiconductor switches as well as a corresponding controller unit. The controller unit controls the opening and closing of the two or four controllable semiconductor switches using a preset control mode. When the circuit is used as the driver circuit of a capacitive load such as a DBD lamp, the luminous efficiency of the DBD lamp is improved. | 2012-05-03 |
20120104961 | LIGHTING DEVICE OF DISCHARGE LAMP AND METHOD OF CONTROLLING LIGHTING OF DISCHARGE LAMP - A lighting device of a discharge lamp, the lighting device includes: a DC voltage generating circuit including: a switching element that is controlled by a first controlling signal; and a coil that has one end portion, to which a first DC voltage is input, and the other end portion of the coil outputs a second DC voltage, and an AC voltage generating circuit that converts into an AC voltage and supplies to the discharge lamp; and a control circuit unit, which receives a polarity-inversion instructing signal, which generates a second controlling signal to determine a timing of polarity-inversion after a predetermined first period is elapsed, which sets a latest ON period, wherein the latest ON period is set based on both an elapsed time and the duty ratio, and which generates the first controlling signal to restart the ON/OFF control at a timing after a second period is elapsed. | 2012-05-03 |
20120104962 | Flash LED Controller - The invention provides integrated power supplies, circuit drivers, and control methods for relatively high-current drivers, usable with common battery power sources. Preferred embodiments include one or more high series resistance super-capacitors electrically connected with a power. A low resistance driver circuit regulates power supplied from the super-capacitors to the load. | 2012-05-03 |
20120104963 | LIGHT SOURCE APPARATUS AND LIGHT SOURCE ADJUSTING MODULE - A light source apparatus and a light source adjusting module are provided. The light source apparatus includes a power supply, a phase modulator, an electrical transformer, a light source adjusting module and a light-emitting device. The power supply provides a first AC voltage signal. The phase modulator receives the first AC voltage signal and adjusts a conducting phase of the first AC voltage signal to generate a modulated AC voltage signal. The electrical transformer transforms the modulated AC voltage signal to generate a second AC voltage signal. The light adjusting module generates a luminance adjusting signal according to a state of the second AC voltage signal. The light-emitting device receives the luminance adjusting signal to generate a corresponding light source. | 2012-05-03 |
20120104964 | LED DRIVER WITH PWM DIMMING AND METHOD THEREOF - The present technology is generally related to LED drivers with PWM dimming. In one embodiment, a dimming signal is generated based on a pulsed input signal. The pulsed input signal is converted into at least one current signal to drive an LED. And the conversion is enable and disabled by the dimming signal. | 2012-05-03 |
20120104965 | CURRENT RINGING FILTER FOR DIMMABLE COMPACT FLUORESCENT LAMPS - A ballast or drive circuit is located between a dimmer switch and at least one light source or lamp. The ballast includes an electromagnetic interference (EMI) filter operatively disposed between the dimmer switch and the at least one lamp. The EMI filter includes an inductor. A low pass filter, preferably an inductor, is serially connected to the inductor of the EMI filter and situated between the dimmer switch and EMI filter for addressing currency ringing, reducing high current peaks, and decreasing flickering that would otherwise result with multiple light sources when the lamp is turned on. | 2012-05-03 |
20120104966 | DRIVE CIRCUIT FOR LIGHT EMITTING DIODE ARRAY BASED ON A BUCK-BOOST TOPOLOGY - Features of the invention are related to drive circuits that provide both power factor correction and voltage conversion in a single circuit and in some implementations drive an LED array. This single stage converter uses a buck-boost topology and can operate LED arrays that have DC voltages above or below the AC line voltage. An output side filter and bulk energy storage device is placed at the output of the circuit. Bulk energy storage can be provided by an inductor, a capacitor, or a combination of an inductor and a capacitor. The output side filtering can be provided by a capacitor or a capacitor and an inductor. The circuit also includes a switch and a switch control device for controlling the switch to provide power factor correction. | 2012-05-03 |
20120104967 | NON-LINEAR LOAD DRIVING CIRCUIT AND CONTROLLER - A non-linear load driving circuit and a controller for controlling a conversion circuit to drive a non-linear load are provided. The controller includes a feedback unit, a pulse width control unit, and an overshoot reduction unit. The feedback unit generates a feedback signal according to a current feedback signal that represents a load current flowing through the non-linear load. The pulse width control unit generates a control signal according to the feedback signal to control a power output of the conversion circuit. The overshoot reduction unit generates an overshoot reduction signal when the load current changes from being smaller than to being greater than a predetermined value according to the current feedback signal. The pulse width control unit receives the overshoot reduction signal and reduces the duty cycle of the control signal accordingly. Thereby, stability of feedback control is improved and damage to circuit is prevented. | 2012-05-03 |
20120104968 | POWER CONVERTING CONTROLLER AND LIGHT-EMITTING DIODE DRIVING CIRCUIT - A power converting controller and an LED driving circuit are provided. The power converting controller controls a converting circuit, which converts an input power source into an appropriate power source to drive a load. The power converting controller includes a feedback control unit, an open-circuit judging unit and a protection unit. The feedback control unit controls the converting circuit according to a feedback signal representing the status of the load. As the open-circuit judging unit has judged that the load is continuously in an open-circuit status for a predetermined time length, the open-circuit judging unit generates an open-circuit protection signal. The protection unit is coupled to the feedback control unit and the open-circuit judging unit so as to generate a protection signal as receiving the open-circuit protection signal and thereby the feedback control unit enters a latch status to stop controlling the converting circuit. | 2012-05-03 |
20120104969 | Control Apparatus for Driving a Luminaire and Luminaire - A control apparatus ( | 2012-05-03 |
20120104970 | LIGHTING POWER SUPPLY DEVICE AND METHOD FOR CONTROLLING HOLDING CURRENT - A lighting power supply device receives a voltage converted from an alternating current to a direct current by a rectifying circuit rectifying the alternating current whose phase is controlled by a phase control type dimmer, and generates and outputs a direct current voltage/current to be supplied to a load. The lighting power supply device includes: a control circuit, and the control circuit gradually decreases a current drawn from the rectifying circuit from a predetermined current value set in advance, determines a current value immediately before detecting a malfunction of the phase control type dimmer as a drawn current value, and performs current control so as to maintain the determined current value. | 2012-05-03 |
20120104971 | Operating Device for Driving a Multicolored Light Source and Illumination Device - An operating device ( | 2012-05-03 |
20120104972 | DRIVE CIRCUIT FOR LIGHT EMITTING DIODE ARRAY BASED ON SEPIC OR CUK TOPOLOGY - Features of the invention are related to drive circuits that provide both power factor correction and voltage conversion in a single circuit and in some instances drive an LED array. This single stage converter uses a SEPIC or Cuk topology and can operate LED arrays that have DC voltages above or below the AC line voltage. An output side filter and bulk energy storage device is placed at the output of the circuit. Bulk energy storage can be provided by an inductor, a capacitor, or a combination of an inductor and a capacitor. The output side filtering can be provided by a capacitor or a capacitor and an inductor. The circuit also includes a switch and a switch control device for controlling the switch to provide power factor correction. | 2012-05-03 |
20120104973 | LAMP CONTROL CIRCUIT - A lamp control circuit includes a first switch circuit receiving a voltage from a power supply after a control is turned on and outputs a first control signal, a count circuit receives the first control signal and outputs a second control signal, a gate circuit receives the second control signal and outputs a third control signal, a second switch circuit includes a number of electronic switches to receive the third control signal and controls the electronic switches to be turned on or turned off, and a lighting circuit including a number of light emitting diode (LED) groups. Each LED group includes an LED. When an electronic switch connected to an LED group is turned on, the LED of the corresponding LED group is lit. When an electronic switch connected to an LED group is turned off, the LED of the LED group does not light. | 2012-05-03 |
20120104974 | CONTROL UNIT FOR A LED ASSEMBLY AND LIGHTING SYSTEM - A control unit for a LED assembly includes a first and second LED unit, the LED units being serial connected. The LED assembly, in use, is powered by a switched mode power supply. The control unit being arranged to receive an input signal representing a desired output characteristic of the LED assembly, determine a first and second duty cycle for respective LED units associated with a nominal current of the switched mode power supply, for providing the desired output characteristic, determine the largest of the first and second duty cycles for respective LED units, determine a reduced current based on at least the largest of the duty cycles, adjust the first and second duty cycle for respective LED units based on the reduced current, and provide an output signal for the LED assembly and the switched mode power supply based on the adjusted first and second duty cycles and the reduced current for obtaining the desired characteristic. | 2012-05-03 |
20120104975 | LIGHTING SYSTEM ELECTRONIC BALLAST OR DRIVER WITH SHUNT CIRCUIT FOR LIGHTING CONTROL QUIESCENT CURRENT - Ballasts and LED drivers are presented for powering at least one light source, in which a shunt circuit provides a high impedance to allow operation of the light source when the AC input power exceeds a power threshold value, and provides a low impedance when the AC input power is below the power threshold value to prevent an output power stage from providing power to the light source. | 2012-05-03 |
20120104976 | LIGHTING SYSTEM COMPRISING INTERCONNECTABLE LIGHTING MODULES - This invention relates to a lighting system. The lighting system includes a plurality of interconnectable polygonal lighting modules, wherein each lighting module has a plurality of connection members each including at least one electrical terminal. The connection members are arranged rotationally symmetrically at the lighting module. The lighting system further includes bridge members. Each bridge member has bridge terminals and is mountable at neighboring connection members of different lighting modules, to form a bridge providing an electric connection between connection terminals of the different connection members. | 2012-05-03 |
20120104977 | HIGH PERFORMANCE LED GROW LIGHT - High performance LED lights and methods of manufacturing high performance LED lights are disclosed. Features of a light may include, inter alia, LED elements with acute angle lenses, and LED distributions that optimize light intensity over a desired area. In grow light applications, a light may incorporate LED wavelengths that maximize photosynthesis, plant growth and flowering. The light may also optionally provide for visibility of plant growth and the work area. | 2012-05-03 |
20120104978 | Device for resonantly driving a micromechanical system - A device is provided for resonantly driving a micromechanical system, which includes at least one seismic mass supported by spring vibrations, at least one drive for driving the vibration of the seismic mass and at least one element that is motionally coupled to the seismic mass. Furthermore, the device includes at least one detection element for detecting a relational parameter, that changes with the vibration of the seismic mass, between the motionally coupled element and the detection element, the detection element being equipped to cause an interruption of the vibration drive when a predetermined value of the relational parameter is reached. | 2012-05-03 |
20120104979 | Phase change pulse engine - A phase change pulse engine includes a superconducting magnet and a control circuit including a power supply and a capacitor. A changing magnetic field creates a magnetic coupling for a mechanical drive. The capacitor is connected to the power supply and the magnet's coil through a switching and timing control circuit to initially charge the capacitor. With the coil isolated from the capacitor, electric current from the capacitor is discharged through the coil to create the magnetic coupling. After a predetermined period of time, an electrical connection is re-established between the capacitor and the coil to recharge the capacitor. This generates a pulse of electrical energy that is periodically applied to the coil with the capacitor isolated from the coil. The pulse of electrical energy includes make up energy due to capacitor losses. | 2012-05-03 |
20120104980 | SWITCHED RELUCTANCE AND PM BRUSHLESS DC MOTOR DRIVE CONTROL FOR ELECTRIC VEHICLE APPLICATION - A method of operating an electrical machine having first and second phase windings. The method includes: (1) applying positive first current to the first phase winding while the first phase winding's back electromotive force (emf) is positive; (2) applying negative second current to the first phase winding while the first phase winding's back emf is negative; and (3) applying positive third current to the second phase winding while the second phase winding's back emf is positive. The first current is conducted through a circuit composed of a battery, the first phase winding, and a first switch. The second current is conducted through a circuit composed of a first capacitive storage element, the battery, the first phase winding, and a second switch, and the third current is conducted through a circuit composed of the battery, the second phase winding, and a third switch. | 2012-05-03 |
20120104981 | DRIVING DEVICE OF BRUSHLESS DC MOTOR FOR FAN - A driving device is electrically connected with an AC power and a brushless DC motor for a fan. The driving device includes a rectifier unit, a filter unit, a switch power conversion unit and a control unit. The rectifier unit receives the AC power and rectifies the AC power. The filter unit, electrically connected with the rectifier unit, filters the rectified AC power and generates a DC power. The switch power conversion unit, electrically connected with the filter unit and the brushless DC motor, receives the DC power and outputs a driving power to the brushless DC motor. The control unit is electrically connected with the switch power conversion unit and the brushless DC motor. | 2012-05-03 |
20120104982 | ROTOR LAMINATION SHAPING FOR MINIMUM CORE LOSS IN SRMs - An electrical machine rotor includes a flux-conducting portion and a flux-inhibiting portion. The flux-conducting portion is conducive to conveying an electromagnetic flux and has a plurality of salient rotor poles and a portion of back material. The flux-inhibiting portion is less conducive to conveying an electromagnetic flux than the flux-conducting portion and is disposed entirely outside the boundaries of the rotor poles. | 2012-05-03 |
20120104983 | WORK MACHINE AND BRUSHLESS MOTOR - An electric grasscutter includes a motor ( | 2012-05-03 |
20120104984 | POWER FACTOR CORRECTION CIRCUITS FOR SWITCHED RELUCTANCE MACHINES - An electrical device has a capacitive storage element and first and second switches. The capacitive storage element and first and second switches are interconnected such that when interconnected with a direct current (dc) voltage supply and first and second windings of an electrical machine: (1) a first operational state exists in which conductive states of the first and second switches cause the dc voltage supply to conduct current through the first winding and the first switch and conduct current through the first and second switches and the second winding, respectively, thereby storing energy within the first and second windings, and (2) a second operational state exists in which non-conductive states of the first and second switches cause each of the first and second windings to discharge stored energy by conducting current through the capacitive storage element, thereby storing energy in the capacitive storage element. | 2012-05-03 |
20120104985 | STEPPING MOTOR DRIVE UNIT - In a stepping motor drive unit which drives a stepping motor including coils having a plurality of phases, and has functions of causing both ends of one of the coils having one of the plurality of phases to have high impedance to detect an inductive voltage in the coil, and determining a rotation/stop state of the stepping motor based on a result of the detection, the stepping motor drive unit has a function of temporarily stopping, while causing the both ends of the coil having the one of the plurality of phases to have high impedance, PWM driving of at least one of the other coils to fix an energized state of the coil. | 2012-05-03 |
20120104986 | TORQUE CONTROL METHOD FOR HIGH-SPEED SWITCHED RELUCTANCE MOTOR - Disclosed herein is a torque control method for a high-speed Switched Reluctance Motor (SRM), which controls a torque in the high-speed operation of a 2-phase SRM. In the torque control method for a high-speed SRM, a positive torque (T* | 2012-05-03 |
20120104987 | METHOD OF CONTROLLING CURRENT OF HIGH-SPEED SWITCHED RELUCTANCE MOTOR - Disclosed herein is a method of controlling the current of a high-speed Switched Reluctance Motor (SRM) using an inverter circuit including a first switching element, a second switching element, a first diode, a second diode and a reactor, wherein the first switching element and the first diode, the second diode and the second switching element are connected to a bridge circuit, and one end of the reactor is connected to the junction of the first switching element and the first diode, and the remaining end of the reactor is connected to the junction of the second diode and the second switching element; and excitation mode, free-wheeling mode- | 2012-05-03 |
20120104988 | HIGH POWER DENSITY SRMs - A power converter having a first switch and a first unidirectional current device that conducts current unidirectionally. The first switch and first unidirectional current device are interconnected such that when interconnected with a dc voltage supply, battery, and first phase winding of an electrical machine: (1) a first operational state exists in which a conductive state of the first switch causes the dc voltage supply to conduct current through the first switch and first phase winding, so as to store energy within the first phase winding and (2) a second operational state exists in which a non-conductive state of the first switch causes the first phase winding to discharge its stored energy by conducting current through the first unidirectional current device and battery, so as to store energy in the battery. | 2012-05-03 |
20120104989 | CHARGE-CONTROLLING SYSTEM AND METHOD THEREFOR - A charge-controlling system and a method therefor are applicable to a backup power system having a fuel-cell-based power supply and a battery. The charge-controlling system includes a bidirectional converter, a feedback circuit, a voltage controller, a PWM generator, a switch unit and an over-charging protection circuit. The feedback circuit generates a feedback signal corresponding to an output voltage of the bidirectional converter. The voltage controller generates a control voltage according to the feedback signal and a constant voltage, such that the PWM generator generates a PWM signal based on the control voltage. The over-charging protection circuit controls operation of the switch unit according to the feedback signal and a saturation voltage of the battery. When the switch unit electrically connects the bidirectional converter and the PWM generator, the bidirectional converter charges the battery with the power generated by the fuel-cell-based power supply according to the PWM signal. | 2012-05-03 |
20120104990 | Alkali Metal Ion Battery with Bimetallic Electrode - Electrochemical cells having molten electrodes having an alkali metal provide receipt and delivery of power by transporting atoms of the alkali metal between electrode environments of disparate chemical potentials through an electrochemical pathway comprising a salt of the alkali metal. The chemical potential of the alkali metal is decreased when combined with one or more non-alkali metals, thus producing a voltage between an electrode comprising the molten the alkali metal and the electrode comprising the combined alkali/non-alkali metals. | 2012-05-03 |
20120104991 | ELECTRIC POWER TOOL SYSTEM - An electric power tool system comprises a tool main body, a battery pack detachably attached to the tool main body and a first charger that charges the battery pack. The first charger is detachably attached to the tool main body and/or the battery pack. The first charger is capable of charging the battery pack while the battery pack is attached to the tool main body. The first charger is preferably cordless and contains at least rechargeable battery for storing energy to charge the battery pack. | 2012-05-03 |
20120104992 | ELECTRIC POWER TOOL SYSTEM - An electric power tool system comprises a tool main body, a battery pack detachably attached to the tool main body, and a first charger that charges the battery pack. The first charger comprises a rechargeable battery that supplies current to at least one rechargeable battery of the battery pack. The at least one rechargeable battery of the first charger preferably has a larger charge storage capacity than the at least one rechargeable battery of the battery pack. | 2012-05-03 |
20120104993 | CONTACTLESS CHARGING DEVICE, CHARGING METHOD, CHARGEABLE BATTERY, AND CHARGER - Techniques for a contactless charging device, a charging method thereof, a chargeable battery, and a charger are described. The contactless charging device includes a chargeable battery and a charger. The chargeable battery includes a secondary charging circuit configured for receiving power from the primary charging circuit and a contactless IC card configured for storing the battery characteristic information of the chargeable battery. The charger includes a contactless card reading circuit configured for reading battery characteristic information of the chargeable battery and transmitting the battery characteristic information to a charging control IC during charging, a primary charging circuit configured for transmitting power to the chargeable battery; and a charging control IC configured for controlling the primary charging circuit to supply power to the primary charging circuit according to the battery characteristic information. | 2012-05-03 |
20120104994 | SINK CURRENT ADAPTATION BASED ON POWER SUPPLY DETECTION - Techniques are provided for selecting a charge current to be sunk by a mobile electronic device. A charging device is received at a connector of the mobile electronic device. The charging device is configured to supply a charge current to a rechargeable battery of the mobile electronic device. One or more data signals is/are received from the charging device at an interface circuit of the mobile electronic device on one or more data signal lines through the connector. One or more control signals are applied to the interface circuit to enable data signal values to be generated for the data signal(s) based on the control signal(s) and a type of the charging device. The data signal values are mapped to a maximum charge current for the rechargeable battery. The charge current supplied by the charging device to the rechargeable battery is limited to the selected maximum charge current. | 2012-05-03 |
20120104995 | CHARGING DEVICE FOR MOBILE TERMINAL - A charging device for a mobile terminal is provided. The charging device includes a charging unit for sustaining a posture of the mobile terminal when the mobile terminal is connected to the charging device and for charging the mobile terminal by electrically connecting to the mobile terminal, and a stand, detachably mounted to the charging unit and protruded from the charging unit to be interposed between the charging unit and the ground, for sustaining a posture of the mobile terminal by supporting the mobile terminal separately from the charging unit when the stand is detached from the charging unit, wherein the stand includes a stand groove for fixing the mobile terminal by housing at least a portion of the mobile terminal. Therefore, the charging device performs a stand function as well as a charging function for the mobile terminal, thereby providing more improved use efficiency. | 2012-05-03 |
20120104996 | MOBILE REGULATION AND CHARGING UNIT - An apparatus includes a connection unit configured to connect to a power line, a control arm coupled to the connection unit and capable of raising the connection unit for connection to the power line, a housing unit capable of storing one or more battery modules; and a control center configured to communicate with one or more entities, wherein the control center is further configured to initiate flow of electricity through the connection unit. | 2012-05-03 |
20120104997 | WIRELESS CHARGING DEVICE - Exemplary embodiments are directed to wirelessly charging a chargeable device. A device may include a receiver configured to receive a stored power status from an embeddable, chargeable device. The device may further include a transmitter configured to wirelessly transmit power to charge the embeddable, chargeable device based on the stored power status. | 2012-05-03 |
20120104998 | NON-CONTACT POWER TRANSMISSION DEVICE - A non-contact power transmission device includes an alternating current power supply, a resonant system, a load, an impedance measuring section and an analyzing section. The resonant system has a primary coil connected to the alternating current power supply, a primary-side resonant coil, a secondary-side resonant coil and a secondary coil. The load is connected to the secondary coil. The impedance measuring section can measure the input impedance of the resonant system. The analyzing section analyzes the measurement results obtained from the impedance measuring section. | 2012-05-03 |
20120104999 | Multiple Coil System - Multiple coil systems and methods are disclosed in which transmitter and receiver inductors, or coils, are coupled in a configuration for wirelessly transferring data and/or power among them. In preferred implementations, the systems and methods are used for transmitting both power and data using pairs of coupled coils. One preferred aspect of the invention is that the coils are not permanently affixed in physical proximity to one another, but can be moved and/or interchanged. | 2012-05-03 |
20120105000 | BATTERY PACK WITH A SECONDARY COIL ELECTROMAGNETICALLY RECHARGEABLE BY MAGNETIC INDUCTION EFFECT - A battery pack rechargeable by a magnetic induction effect incorporates a secondary coil electromagnetically coupled to a primary coil of a battery charger and a secondary battery rechargeable by electric power induced to the secondary coil. The secondary battery is in a form of a thin battery having a larger width than a thickness, and two opposing surfaces of the secondary battery are composed of a first flat surface and a second flat surface. The secondary coil is in a form of a planar coil with a wire material being spirally coiled in the plane. In the battery pack, the secondary coil in the form of the planar coil is fixedly layered on the first flat surface of the thin battery. | 2012-05-03 |
20120105001 | SYSTEMS AND METHODS FOR BATTERY MANAGEMENT - A battery management system includes several subsystem blocks, an Energy Storage Master unit, and several battery pack systems. The Energy Storage Master may interface with the Vehicle Master Controller by way of CAN or other communication method to an External Charger. Each battery module within a battery pack may include a Local Module Unit which may communicate with a Pack Master. The Pack Master may communicate with and may be controlled by the Energy Storage Master. Thus, there is a processor to monitor groups of battery cells, a second processor to collect further information about the cell groups, and a third module that takes high-level information from each cell group processor to process and pass on to other vehicle controllers or charger controllers. An integrated BMS may enable cell monitoring, temperature monitoring, cell balancing, string current monitoring, and charger control integration. | 2012-05-03 |
20120105002 | METHOD AND APPARATUS FOR AUTOMATED CHARGING OF ELECTRICALLY POWERED MOVING OBJECTS - An apparatus includes a base plate, one or more lifting mechanisms coupled to the base plate and configured to elevate the base plate, at least one connector coupled to the base plate, an insulation layer coupled to the base plate and at least one connector; one or more power inputs configured to allow electricity flow to or from the at least one connector; and a control unit coupled to the one or more power inputs and configured to control the flow of electricity. | 2012-05-03 |
20120105003 | Charging of Electric Vehicles Off the Electric Power Grid - A system and method are disclosed that provide electric power to one or more electric vehicles without drawing electricity from the electric power grid. The system may include a combustion engine coupled to an electric generator, a controls box coupled to the generator to transmit electricity to an electric vehicle, a building, the electric power grid, or storage batteries. | 2012-05-03 |
20120105004 | CELL VOLTAGE BALANCING CONVERTER - A method for cell voltage balancing is disclosed. A plurality of cells is coupled to a plurality of cell interface circuits, and the cell interface circuits are driven with a balancing transformer such that a balancing current flows between the cell interface circuits. Control gates of the cell interface circuits are driven with a gate drive transformer such that two adjacent circuits of the cell interface circuits are activated with opposite phase. | 2012-05-03 |
20120105005 | BATTERY SECTION/MODULE AUTOMATIC CELL BALANCER REPAIR TOOL - A portable cell balancing repair tool for correcting cell-to-cell voltage imbalances. The tool defines a voltage set-point that identifies a desired voltage that the cells will be charged to for the cell-to-cell voltage balancing. The tool selects a cell to be balanced, measures the voltage of the selected cell and determines if the measured voltage is less than the voltage set-point. The tool charges the selected cell with a charging current for a predetermined period of time, and then determines if the voltage of the selected cell is greater than the voltage set-point after the time expires. The tool continues charging the selected cell at the charging current if the measured voltage is not greater than the voltage set-point, and determines if the charging current was at the minimum charging current if the measured voltage of the selected cell is greater than the voltage set-point. | 2012-05-03 |
20120105006 | CONTROL METHOD FOR LITHIUM ION SECONDARY BATTERY, AND LITHIUM ION SECONDARY BATTERY SYSTEM - A control method for a lithium ion secondary battery includes performing a charging step of charging the lithium ion secondary battery with a predetermined quantity of electricity when the battery voltage of the lithium ion secondary battery has decreased to a lower limit battery voltage that is set at a value that falls within a range higher than (B−C) V and lower than or equal to (B−C+0.2) V where a maximum value of a positive electrode potential of a flat portion in a discharge positive electrode potential curve is B (V) and a negative electrode dissolution potential is C (V). It is possible to suppress a dissolution of a negative electrode current collector of the lithium ion secondary battery to prevent the service life of the lithium ion secondary battery from shortening because of an internal short circuit. | 2012-05-03 |
20120105007 | LITHIUM ION BATTERIES WITH SUPPLEMENTAL LITHIUM - Supplemental lithium can be used to stabilize lithium ion batteries with lithium rich metal oxides as the positive electrode active material. Dramatic improvements in the specific capacity at long cycling have been obtained. The supplemental lithium can be provided with the negative electrode, or alternatively as a sacrificial material that is subsequently driven into the negative electrode active material. The supplemental lithium can be provided to the negative electrode active material prior to assembly of the battery using electrochemical deposition. The positive electrode active materials can comprise a layered-layered structure comprising manganese as well as nickel and/or cobalt. | 2012-05-03 |
20120105008 | POWER TOPOLOGY WITH BATTERY CHARGING AND DISCHARGE CURRENT PROTECTION CAPABILITIES - Generally, a system includes a control circuitry configured to detect a current wherein the detected current is one of a battery discharge current or a battery charging current; a first transistor configured to disconnect a load from at least one of a battery and a DC/DC converter if the battery discharge current exceeds a maximum battery discharge current setting; and a second transistor configured to adjust the charging current to maintain the charging current at or near a charge current setting. | 2012-05-03 |
20120105009 | SYSTEMS AND METHODS FOR DETERMINING BATTERY STATE OF CHARGE | 2012-05-03 |
20120105010 | LITHIUM ION SECONDARY BATTERY SYSTEM AND BATTERY PACK - A lithium ion secondary battery system includes: an assembled battery including a plurality of lithium ion secondary batteries; a SOC measuring unit for measuring the SOC of the lithium ion secondary battery, and a temperature sensing unit for sensing the temperature thereof; and a heating unit for heating the lithium ion secondary battery. When a SOC measured by the SOC measuring unit is lower than a preset SOC set in advance in association with discharge rate, and a temperature measured by the temperature sensing unit is lower than a preset temperature set in advance in association with discharge rate, then, a control unit sends a command to the heating unit to supply heat, so that the temperature of the lithium ion secondary battery becomes a predetermined temperature. | 2012-05-03 |
20120105011 | POWER CONTROL APPARATUS AND POWER CONTROL METHOD - A power control apparatus and a power control method for efficiently securing reserve power as a precaution against power failure are disclosed. The power control device includes a first communication unit configured to receive power information including power failure information through a power information network, a second communication unit configured to receive reserve power information including remaining power information from a power storage unit for storing reserve power, and a control unit configured to generate charging control information for storing reserve power in the power storage unit based on the power information and the reserve power information and to control storage of the power in the power storage unit. | 2012-05-03 |
20120105012 | POWER RECOVERY BY AN ELECTROMAGNETIC TRANSPONDER - A method of power recovery by an electromagnetic transponder in the field of a terminal, wherein: a ratio of the current coupling factor of the transponder with the terminal to an optimum coupling position with a resistive load value is evaluated; and a detuning of the oscillating circuit is caused if the ratio is greater than a first threshold greater than or equal to one. | 2012-05-03 |
20120105013 | APPARATUS OF SOC ESTIMATION DURING PLUG-IN CHARGE MODE - A system and method for estimating parameters of a rechargeable energy storage system during a plug-in charge mode include reading a first measured voltage and a measured current from the rechargeable energy storage system while charging the rechargeable energy storage system during a plug-in charge mode, interrupting the charge to stop current flow to the rechargeable energy storage system for a predetermined period of time, reading a second measured voltage during the charge interrupt, calculating a resistance based on the first measured voltage, the second measured voltage and the measured current, calculating an open circuit voltage of the rechargeable energy storage system based on the resistance, the second measured voltage, the measured current and determining the state-of-charge for the rechargeable energy storage system using the open circuit voltage. | 2012-05-03 |
20120105014 | FULL CHARGE CAPACITY VALUE CORRECTION CIRCUIT, BATTERY PACK, AND CHARGING SYSTEM - A full charge capacity value correction circuit, has: a current detection portion which detects a current value of current flowing in a secondary battery; a voltage detection portion which detects a terminal voltage value of the secondary battery; a capacity storage portion which stores a full charge capacity value indicating a full charge capacity of the secondary battery; a remaining quantity calculation portion which calculates, as a accumulated remaining quantity, a remaining charging quantity in the secondary battery from a total value obtained by cumulatively adding charged electrical quantities and subtracting discharged electrical quantities in the secondary battery, based on charge/discharge currents of the secondary battery detected by the current detection portion; a remaining quantity estimation portion which estimates, as an estimated remaining quantity, a remaining quantity of the secondary battery by using a terminal voltage value detected by the voltage detection portion; and a full charge capacity value correction portion which, when an estimated remaining quantity estimated by the remaining quantity estimation portion becomes equal to a reference value set in advance, in a case where the estimated remaining quantity is greater than the accumulated remaining quantity, adds a difference electrical quantity, which is equivalent to a difference between the thus estimated remaining quantity and accumulated remaining quantity calculated by the remaining quantity calculation portion, to the full charge capacity value stored in the capacity storage portion, but in a case where the estimated remaining quantity is less than the accumulated remaining quantity, subtracts the difference electrical quantity from the full charge capacity value stored in the capacity storage portion. | 2012-05-03 |
20120105015 | Battery Pack Overcharge Protection System - An overcharge protection device (OPD) is provided that may be used alone, or in combination with conventional charging protection systems, to protect a battery pack from the occurrence of a potentially damaging overcharging event. The OPD is designed to be coupled to, and interposed between, the terminals of the battery pack. During normal system operation, the OPD has no effect on the operation of the charging system or the battery pack. During an overcharging event, if overcharging is not prevented by another conventional system, the OPD of the invention creates a short across the terminals of the battery pack causing a battery pack fuse designed to provide battery pack short circuit protection to blow, thereby interrupting the current path from the charger to the battery pack and preventing the battery pack from being overcharged. | 2012-05-03 |