43rd week of 2013 patent applcation highlights part 20 |
Patent application number | Title | Published |
20130278101 | SPINDLE MOTOR - A spindle motor is provided, the motor including a bearing assembly including an upper surface-opened cylindrical bearing housing and a bearing accommodated in the bearing housing and formed with a rotation shaft hole; a stator including a core coupled to a periphery of the bearing housing and a coil wound on the core; a rotation shaft inserted into the rotation shaft hole; a rotor including a disk-shaped yoke coupled to the rotation shaft and a magnet coupled to the yoke to face the core; and a suction magnet arranged at the yoke facing the core, wherein the bearing housing includes a body coupled to the core and a core fixture bent from the body to face the core, and the suction magnet is so arranged as to face the core fixture corresponding to an external side of a bent unit bent from the body for forming the core fixture. | 2013-10-24 |
20130278102 | MAGNETIC ROTOR ARRANGEMENT - A magnetic rotor arrangement is provided, having a primary rotor comprising an array of magnets arranged to provide alternating polarity around the outside of the primary rotor and at least one auxiliary rotor comprising an array of magnets arranged to provide alternating polarity around the outside of the auxiliary rotor. The primary rotor and each auxiliary rotor are arranged such that when the primary rotor is rotated, the rotation of the primary rotor magnetically induces rotation of each auxiliary rotor. | 2013-10-24 |
20130278103 | STATOR USED IN AN ELECTRICAL MOTOR OR GENERATOR WITH LOW LOSS MAGNETIC MATERIAL AND METHOD OF MANUFACTURING A STATOR - A stator for an electrical motor or generator and method for manufacturing such stator includes providing a plurality of teeth and joining the teeth with a yoke. An electrically conductive winding is applied around each of the teeth. The teeth and/or yoke may be made from a stack of low-loss magnetic material sheets. The teeth and/or yoke may be made by folding a stack of magnetic material sheets. | 2013-10-24 |
20130278104 | Rare Earth Magnet and Motor Using the Same - The present invention makes it possible to increase the residual magnetic flux density and the coercive force of a rare earth magnet; and raise the Curie temperature. In a magnet formed by compressing magnetic particles, the surface of a magnetic particle is covered with a metal fluoride film, the magnetic particle has a crystal structure containing a homo portion formed by bonding adjacent iron atoms and a hetero portion formed by bonding two iron atoms via an atom other than iron, and the distance between the two iron atoms in the hetero portion is different from the distance between the adjacent iron atoms in the homo portion. | 2013-10-24 |
20130278105 | ROTOR ASSEMBLY - Disclosed herein is a rotor assembly, including: a rotor portion provided with an insertion hole into which a rotating shaft is inserted; and a magnet inserted into an embedded hole radially formed at a cross section axially vertical to the shaft of the rotor portion outwardly from the rotor portion, wherein the magnet is formed so that a width in a direction vertical to a radial direction of the magnet gradually increases from the shaft radially outwardly from the rotor portion. According to the preferred embodiment of the present invention, more magnets can be arranged in the same area, the freedom of design can be improved, and the flux amount can be increased, by the structural change of the magnet embedded in the rotor portion. | 2013-10-24 |
20130278106 | ROTOR ASSEMBLY - According to a preferred embodiment of the present invention, in a structure in which a permanent magnet is embedded radially outwardly from a rotor portion, a pair of permanent magnets is embedded in a V-letter shape and a slit in a longitudinal direction is radially formed between the pair of permanent magnets. According to the preferred embodiment of the present invention, it is possible to implement relatively higher torque performance while minimizing the number of permanent magnets embedded in an interior permanent synchronous machine (IPMSM). | 2013-10-24 |
20130278107 | ELECTRIC MOTOR AND REDUCTION MOTOR - Disclosed is a windshield wiper motor having a reduction mechanism unit and an electric motor. The electric motor of the windshield wiper motor includes a yoke formed in a bottomed cylindrical shape; permanent magnets arranged on an inner peripheral surface of the yoke; an armature including a rotary shaft journalled to the yoke, an armature core where a plurality of teeth are formed and fixed onto the rotary shaft, an armature coil wound around teeth of the armature core, a commutator having a plurality of segments and being fixed onto the rotary shaft, and a plurality of connecting wires connecting two segments arranged to face each other back to back around the rotary shaft, being surrounded by the permanent magnets and arranged within the yoke; and a first brush, a second brush, and a third brush coming into sliding contact with the segments of the commutator of the armature. | 2013-10-24 |
20130278108 | MEMS SHOCK CUSHION SPRING SYSTEMS AND METHODS - Techniques are disclosed for systems and methods to provide shock impact mitigation for MEMS structures. A MEMS structure may include one or more actuators. An actuator may include a first frame having a spine, where the spine includes a body and a tip. The actuator may include a second frame connected to the first frame and including a shock stop, where the shock stop includes a surface in proximity to the spine tip. An actuator may include a shock cushion spring fixed relative to the spine tip and situated substantially between the spine tip and the shock stop surface, where the shock cushion spring is adapted to protect the spine tip from contact with the shock stop surface. | 2013-10-24 |
20130278109 | Betavoltaic power sources for mobile device applications - A betavoltaic power source for mobile devices and mobile applications includes a stacked configuration of isotope layers and energy conversion layers. The isotope layers have a half-life of between about 0.5 years and about 5 years and generate radiation with energy in the range from about 15 keV to about 200 keV. The betavoltaic power source is configured to provide sufficient power to operate the mobile device over its useful lifetime. | 2013-10-24 |
20130278110 | PIEZOELECTRIC MOTOR, DRIVE CIRCUIT, AND DRIVE METHOD - A piezoelectric motor includes a rotating body, a piezoelectric actuator including a protruding section having contact with the rotating body, and adapted to rotate the rotating body due to a motion of the protruding section when driving a piezoelectric element, and a drive circuit adapted to drive the piezoelectric element, and the drive circuit includes a drive signal generation section adapted to output a drive signal with a predetermined frequency, and an LC filter adapted to block a frequency higher than the predetermined frequency, and applies the drive signal to the piezoelectric element via the LC filter. | 2013-10-24 |
20130278111 | PIEZOELECTRIC MICROMACHINED ULTRASOUND TRANSDUCER WITH PATTERNED ELECTRODES - A piezoelectric micro-machined ultrasonic transducer (PMUT) uses multiple electrodes, e.g., in a radial pattern for a disc, to improve performance. The multiple electrodes may be differentially driven to operate the PMUT in d | 2013-10-24 |
20130278112 | VIBRATOR, VIBRATION TYPE DRIVING APPARATUS AND MANUFACTURING METHOD OF VIBRATOR - A vibrator includes an elastic body bonded to an electrical-mechanical energy converting element and including at least two contact parts, in which the at least two contact parts have convex shapes, shapes of surfaces of the at least two contact parts are part of spherical shapes, and rising directions of the at least two contact parts toward a member to be driven when the member is driven are different. | 2013-10-24 |
20130278113 | OSCILLATORY WAVE MOTOR - An oscillatory wave motor includes an oscillator having an oscillation body and an electro-mechanical energy-converting element, and a flexible heat-conducting member configured to dissipate heat generated by the oscillatory wave motor. The oscillatory wave motor drives a moving body in contact with a contact portion formed in the oscillation body by an elliptical movement of the oscillator, and the heat-conducting member is provided in addition to a heat-conducting path that conducts heat generated by the oscillatory wave motor through an oscillator supporting member that supports the oscillator or a heat-conducting path that conducts heat through the moving body. | 2013-10-24 |
20130278114 | PIEZOELECTRIC DEVICE AND METHOD FOR FABRICATING THE SAME - A surface mount piezoelectric device includes a piezoelectric vibrating piece, a base plate, and a lid plate. The piezoelectric vibrating piece includes a vibrating portion. The base plate has one principal surface that includes a pair of mounting terminals and another principal surface where the piezoelectric vibrating piece is placed. The mounting terminals include a metal film formed by sputtering or vacuum evaporation and electroless plating film formed on a surface of the metal film. The lid plate has one principal surface that includes a metal film and an electroless plating film formed on a surface of the metal film by electroless plating and another principal surface seals the vibrating portion. The electroless plating film formed on the one principal surface of the base plate and the electroless plating film formed on the one principal surface of the lid plate have mutually a same shape and a same area. | 2013-10-24 |
20130278115 | SLAT-CONSTRUCTED AUTONOMIC TRANSFORMERS - Multilayered piezoelectric transformers, transformer elements and methods of constructing piezoelectric transformers are disclosed. | 2013-10-24 |
20130278116 | BRUSHLESS DC MOTOR - Disclosed herein is a brushless DC motor that ensures stable driving of a shaft that rotates in a hollow of a bearing by using a bearing with a flat bottom surface and a tapered top. A contact height between an inner peripheral surface of the bearing and an outer peripheral surface of the shaft is larger than a contact height between an outer peripheral surface of the bearing and an inner peripheral surface of a bearing holder. | 2013-10-24 |
20130278117 | SYSTEM AND METHOD FOR ENHANCED MAGNET WIRE INSULATION - A system and method for enhanced magnet wire insulation is described. The system of the invention provides an enhanced insulation for magnet wire that is capable of withstanding high temperatures and provides a seal against water that is needed in electric submersible pump (ESP) applications. The enhanced insulation of the system of the invention provides the dielectric advantages of polyimide tape, such as Kapton tape, while also including the advantages of organic polymer thermoplastic insulation that prevents the delaminating at high temperatures that may occur in pumping applications using a variety of electrical submersible motors. | 2013-10-24 |
20130278118 | IMPULSE RING FOR A BEARING ASSEMBLY, BEARING ASSEMBLY COMPRISING SUCH AN IMPULSE RING AND ROTARY ELECTRICAL MACHINE COMPRISING SUCH A BEARING ASSEMBLY - This impulse ring ( | 2013-10-24 |
20130278119 | LOCK MECHANISM ADAPTED TO AN ELECTRONIC DEVICE AND ELECTRONIC DEVICE THEREWITH - A lock mechanism adapted to an electronic device with a base, a first casing and a second casing includes a sliding member, a push button, a latch member, a first guiding structure and a second guiding structure. The sliding member is disposed on the base in a slidable manner. The push button is combined with the sliding member for driving the sliding member to slide relative to the base. The latch member is disposed on the base in a slidable manner. The first guiding structure is disposed on the sliding member. The second guiding structure is disposed on the latch member. The second guiding structure cooperates with the first guiding structure for sliding relative to the first guiding structure when the sliding member slides relative to the base, so as to guide the latch member to a locking position for locking the first casing and the second casing. | 2013-10-24 |
20130278120 | ELECTRONIC EQUIPMENT ENCLOSURES AND METHODS RELATED THERETO - Electronic equipment enclosures of the present disclosure are configured to house electronic equipment. The enclosures generally include vent opening configured to allow air to flow into and out of the enclosures, and fans configured to circulate the air within the enclosures around the electronic equipment housed therein. The enclosures also include backflow assemblies located between the vent openings and the fans, and configured to inhibit movement of unwanted materials through the enclosures between the vent openings and the fans. In addition, the backflow assemblies may include multiple vanes disposed adjacent the vent openings and arranged to block straight paths from the vent openings into the enclosures past the multiple vanes. The multiple vanes may be operable both to inhibit the movement of the unwanted materials through the enclosures and to allow air to flow out of the vent openings from the enclosures without moving. | 2013-10-24 |
20130278121 | RACK DEVICE, RACK SYSTEM, AND HOUSING STRUCTURE - A rack device includes a housing at which an electronic device and an air conditioner are installed; a partition plate that divides a space in the housing into a first space in which the electronic device is disposed and a second space in which the air conditioner is disposed; and a shielding member that divides the second space into a space in which an outlet of the air conditioner is disposed and which is coupled to a suction side of the electronic device in the first space and a space in which an inlet of the air conditioner is disposed and which is coupled to a discharge side of the electronic device in the first space. | 2013-10-24 |
20130278122 | POINT-OF-SALE SYSTEM - A point-of-sale system includes a stand that supports a tablet computer. The tablet computer can run a merchant application to provide the typical functionality for a point-of-sale system. The stand can be rotatable to face either the merchant or the customer. The stand can incorporate a card reader. The tablet computer can be connected through a hub to other peripheral components, such as a controllable cash drawer, a printer and/or a bar code reader. The cash drawer can include a slidable drawer having sliding rails that are hidden from a top view of the drawer. | 2013-10-24 |
20130278123 | DEVICE HOUSING AND METHOD FOR MAKING THE SAME - A housing includes a substrate, a connecting member and a latching member. The connecting member is formed on the substrate. The connecting member is made of phenylene pulfide. The latching member is formed on the connecting member. The latching member is made of polycarbonate. | 2013-10-24 |
20130278124 | RACK WITH LOCKABLE TRAY - A rack includes an enclosure, a tray and a locking member. The enclosure defines a receiving space. The enclosure includes a side wall. The side wall includes a rail. A locking slot is defined in the side wall. The tray is received in the receiving space and is slidable on the rail. The tray includes a side plate. An operating hole is defined in the side plate. The locking member includes a first end, a second end opposite to the first end, and a locking portion located on the second end. The first end is attached to an inner surface of the side plate. The locking portion is engaged with the locking slot. | 2013-10-24 |
20130278125 | DRAWER SLIDES FOR FACE FRAME CABINETS - A drawer slide for a cabinet or the like includes: an elongate cabinet member; an elongate drawer member disposed substantially parallel to the cabinet member; and a slide mechanism mounted to the cabinet member and the drawer member that enables the drawer member to slide relative to the cabinet member between a rearward retracted position and a forward extended position. In the retracted position, the rear end of the cabinet member extends rearwardly between about ¾ and 1 inch farther than the rear end of the drawer member. | 2013-10-24 |
20130278126 | REFRIGERATOR - A refrigerator having an improved structure of a storage box and a shelf thereof so as to achieve increased space utilization of a storage compartment. The storage box may have slide protrusions respectively formed on both of outer side-faces of the storage box at a lower portion thereof to allow the storage box to be slidably retracted in or extended from the storage compartment. The shelf may have a support structure to support food thereon and slide grooves respectively formed above both sides of the support structure, each groove receiving the corresponding slide protrusion of the storage box. When the storage box is mounted on the shelf, food may be put in the inner space of the storage box, whereas when the storage box is dismounted from the shelf, a food storage space may be present on the support structure of the shelf. | 2013-10-24 |
20130278127 | REFRIGERATOR - A refrigerator includes a main body and a storage room defined in the main body. The refrigerator also includes a cooling device configured to cool the storage room, a first storage area disposed inside the storage room, and a door mounted to the main body. The refrigerator further includes a second storage unit disposed at the door and a third storage unit configured to move between an inserted position inside the storage room and an extracted position in which at least a portion of the third storage unit is extracted outside of the storage room. | 2013-10-24 |
20130278128 | RECLOSABLE COMPARTMENT FOR REFRIGERATOR - Reclosable compartment for refrigerators, particularly suitable for incorporation in removable shelves, openable and reclosable by means of a front cover ( | 2013-10-24 |
20130278129 | SPARK GAP HAVING A PLURALITY OF SERIES-CONNECTED INDIVIDUAL SPARK GAPS, WHICH ARE LOCATED IN A STACK ARRANGEMENT - The invention relates to a spark gap comprising a number of series-connected individual spark gaps which are placed in a stack arrangement, which are spaced apart from each other by insulating material discs and are provided with a spring contact, the individual spark gaps including ring-shaped or disc-shaped electrodes, and further comprising control elements for influencing the voltage distribution over the stack arrangement. According to the invention the ring-shaped or disc-shaped electrodes required to form one of the respective individual spark gaps are each inserted into an insulating body and held by same in a centered manner. The respective insulating material discs are located between and fixed by the insulating bodies. A recess is provided inside the insulating body to receive and center the electrodes, whose shape is complementary relative to the contour of the respective electrode, wherein the recess comprises on the inner circumference at least partially elastic, resilient centering projections or centering noses. | 2013-10-24 |
20130278130 | TEMPERATURE CONTROL OF ARC TUBE OF FLUORESCENT LAMP - A fluorescent lamp includes an arc tube comprised of light transmissive material. The arc tube can be for a compact fluorescent lamp (CFL). A discharge sustaining fill, which may include mercury and an inert gas, is sealed in the interior of the arc tube. Electrodes are disposed in the sealed interior of the arc tube. An outer envelope is disposed around and spaced apart from the arc tube. The outer envelope can take the form of a conventional incandescent light bulb, candle, globe-shape or reflector shape. The outer envelope includes an opening. The arc tube includes a hollow protrusion that extends adjacent or into the opening. This can provide the arc tube with a lower temperature near the protrusion that can approximate the temperature of the outer envelope (a cold spot). This can regulate the vapor pressure of liquid (e.g., liquid mercury) in the arc tube. | 2013-10-24 |
20130278131 | DISPLAY DEVICE - A display device of the present invention includes a body stand unit; a display displaying unit; and an arm unit, arranged upright from the body stand unit, for supporting the display displaying unit; where the arm unit is arranged on either left or right end side from a center in a horizontal direction of the display displaying unit, and supports the display displaying unit in a cantilever state. | 2013-10-24 |
20130278132 | LED BULBS WITH ADJUSTABLE LIGHT EMITTING DIRECTION - The invention provides modular, interchangeable LED light bulbs configured to have an adjustable lateral emission direction. Such light bulbs overcome the drawbacks of conventional LED light bulbs that are not suited for use certain application, such as with sideway mounted light fixtures. | 2013-10-24 |
20130278133 | SPARK PLUG AND METHOD OF MANUFACTURING THE SAME - A spark plug includes: a rod-shaped center electrode extending in an axial direction; an insulator including a shaft hole that holds the center electrode inside of the shaft hole; a metal shell surrounding and holding a part of the insulator; and a ground electrode including a base end welded to the metal shell. The metal shell and the ground electrode are joined via a fusion portion formed by welding the ground electrode and the metal shell together. When the smallest thickness of the fusion portion in the axial direction is A, when, in a cross section that includes a center line of the ground electrode and is parallel to the axis, a length of a ground-electrode-side melted boundary formed between the fusion portion and the ground electrode is B, and when the ground electrode thickness is C, conditions of A≧0.2 mm and B >C are satisfied. | 2013-10-24 |
20130278134 | WHITE LIGHT EMITTING DEVICE AND DISPLAY APPARATUS - A white light emitting device includes: a blue light emitting diode (LED) which emits blue light; and a resin packing unit which encapsulates the blue LED, wherein the resin packing unit includes a first wavelength conversion material which, in response to being excited by the blue light, emits green light, a second wavelength conversion material which, in response to being excited by the blue light, emits red light, and a complex compound which absorbs light of a region in which the green light and the red light are mixed, the light of the region being included in white light implemented through a mixture of the green light and the red light excited together with the blue light. | 2013-10-24 |
20130278135 | MULTI DISCHARGING TUBE PLASMA REACTOR - A plasma reactor having multi discharging tubes is disclosed, through which activated gas containing ion, free radical, atom and molecule is generated through plasma discharging, and different process gases are injected into multi discharging tubes in which solid, power and gas, etc., are plasma-treated with the activated gas to perform processes including cleaning process for semiconductor, and a plasma state can be maintained even at low power. | 2013-10-24 |
20130278136 | ANTENNA STRUCTURE AND PLASMA GENERATING DEVICE - An antenna structure includes four induction antennas which have the same structure, are connected in parallel and are disposed to be overlapped. The induction antennas include an external upper section arranged on a first quadrant of a first layer, an internal upper section connected to the external upper section and arranged on a second quadrant of the first layer, an internal lower section connected to the internal upper section and arranged on a third quadrant of a second layer arranged on a lower part of the first layer, and an external lower section connected to the internal lower section and arranged on a fourth quadrant of the second layer. An RF power is supplied to one end of the external upper section, and the other end of the external lower section is grounded. | 2013-10-24 |
20130278137 | LED LAMP FOR PRODUCING BIOLOGICALLY-CORRECTED LIGHT - A light-emitting diode (LED) lamp for producing a biologically-corrected light. In one embodiment, the LED lamp includes a color filter, which modifies the light produced by the lamp's LED chips, to increase spectral opponency and minimize melatonin suppression. In doing so, the lamp minimizes the biological effects that the lamp may have on a user. The LED lamp is appropriately designed to produce such biologically-correct light while still maintaining commercially acceptable color temperature and color rending properties. Methods of manufacturing such a lamp are provided, as well as equivalent lamps and equivalent methods of manufacture. | 2013-10-24 |
20130278138 | LIGHT-EMITTING APPARATUS AND LIGHTING APPLIANCE PROVIDED WITH THE SAME - A light-emitting apparatus including a substrate, an LED string mounted on the substrate, the LED string in which a plurality of light-emitting diodes D | 2013-10-24 |
20130278139 | System and Apparatus for a Dual LED Light Bar - A variable color light system includes multiple dual color light emitting diodes (LED's) arranged in a light bar. The dual LED's are arranged with a common cathode and two anodes. The light system includes a switch that controls the power to the light system. The system is controlled to power a first anode, a second anode, or neither anodes. When the first anode is powered, the dual LED's emit a first color. When the second anode is powered, the dual LED's emit a second color. The light system is LED driven. The dual LED light system can be used in a light bar that can be used on a vehicle, an off-road vehicle, a recreational vehicle, or a boat. | 2013-10-24 |
20130278140 | ELECTRODELESS PLASMA LAMP UTILIZING ACOUSTIC MODULATION - An electrodeless plasma lamp is described that employs acoustic resonance. The plasma lamp includes a metal enclosure having a conductive boundary forming a resonant structure, and a radio frequency (RF) feed to couple RF power from an RF power source into the resonant cavity. A bulb is received at least partially within an opening in the metal enclosure. The bulb contains a fill that forms a light emitting plasma when the power is coupled to the fill. The RF power source includes a controller to modulate the RF power to induce acoustic resonance in the plasma. | 2013-10-24 |
20130278141 | THREE-COIL INDUCTIVELY COUPLED PLASMA SOURCE WITH INDIVIDUALLY CONTROLLED COIL CURRENTS FROM A SINGLE RF POWER GENERATOR - An inductively coupled plasma reactor has three concentric RF coil antennas and a current divider circuit individually controlling currents in each of the three coil antennas by varying only two reactive elements in the current divider circuit. | 2013-10-24 |
20130278142 | THREE-COIL INDUCTIVELY COUPLED PLASMA SOURCE WITH INDIVIDUALLY CONTROLLED COIL CURRENTS FROM A SINGLE RF POWER GENERATOR - An inductively coupled plasma reactor has three concentric coil antennas and a current divider circuit individually controlling currents in each of the three coil antennas by varying two variable impedance elements in the current divider circuit in response to a desired current apportionment among the coil antennas received from a user interface. | 2013-10-24 |
20130278143 | DRIVING CIRCUIT - A driving circuit includes a plurality of light-emitting units, a plurality of switches, and a bias current module, wherein the light-emitting units are coupled with each other in series and are driven with an input voltage varying according to a frequency. Each switch has a reference voltage and a critical activation voltage and includes a light-emitting end and a bias end opposite to the light-emitting end, wherein the light-emitting end is coupled with the light-emitting units, and the bias ends of the switches are coupled with each other. The bias current module is coupled with the bias ends of the switches and has an operating bias voltage varying according to the frequency, wherein each switch is driven to be activated or to be deactivated according to a relation of the critical activation voltage and a difference between the reference voltage and the operating bias voltage. | 2013-10-24 |
20130278144 | OLED Panel With Fuses - Embodiments may provide a first device that may comprise a substrate, a plurality of conductive bus lines disposed over the substrate, and a plurality of OLED circuit elements disposed on the substrate, where each of the OLED circuit elements comprises one and only one pixel electrically connected in series with a fuse. Each pixel may further comprise a first electrode, a second electrode, and an organic electroluminescent (EL) material disposed between the first and the second electrodes. The fuse of each of the plurality of OLED circuit elements may electrically connect each of the OLED circuit elements to at least one of the plurality of bus lines. Each of the plurality of bus lines may be electrically connected to a plurality of OLED circuit elements that are commonly addressable and at least two of the bus lines may be separately addressable. | 2013-10-24 |
20130278145 | CIRCUITS AND METHODS FOR DRIVING LIGHT SOURCES - A dimming controller can operate in a first mode or a second mode to control dimming of a light source. A voltage control terminal provides a driving signal to control a control switch. When the dimming controller operates in the first mode, the driving signal controls the control switch in a first state and a second state alternately to adjust a first current flowing through the first light element to a target level. When the dimming controller operates in the second mode, the driving signal controls the control switch in the second state to cut off the first current. A high voltage terminal conducts a current flowing through the control circuit and the second light element when the dimming controller operates in the second mode. The control circuit conducts a second current flowing through the second light element during the second mode. | 2013-10-24 |
20130278146 | SELECTIVE STREET LIGHT CONTROL APPARATUS, SYSTEMS, AND METHODS - A selective street light control system includes a module having a lamp and being configured to receive a light sensor connected to a street light. The module may be configured to cause the lamp to illuminate to modulate the light sensor. The street light may be controlled based on the light sensor, and the when the light sensor is modulated by the lamp of the module, the street light is also controlled by the module. The module is a self-contained unit and that may advantageously be easily and cost effectively retrofitted to an existing installation without the need for expensive re-wiring of the existing installation. | 2013-10-24 |
20130278147 | DISPLAY DEVICE AND MEANS TO MEASURE AND ISOLATE THE AMBIENT LIGHT - A display method and display device are described having at least one sensor for detecting a property of light such as the intensity, color and/or color point of light emitted from at least one display area of a display device into a viewing angle of the display device and to measure and isolate the contributions of ambient light. An advantage of the sensor system is that it can be used for real-time measurements, e.g. while the display device is in use, and off-line, e.g. when the normal display functionality is interrupted, with a high signal to noise ratio and simultaneously can isolate the contributions of the signals from the backlight of the display device and the signals from the ambient light. | 2013-10-24 |
20130278148 | SUSTAINABLE OUTDOOR LIGHTING SYSTEM FOR USE IN ENVIRONMENTALLY PHOTO-SENSITIVE AREA - Provided herein are systems and methods for outdoor lighting, which generally include two or more light sources. One light source is a monochromatic light source producing a light with a peak wavelength of about 580 nm or above. A second light source is a polychromatic light source producing a green-tint white light. During a standby operational mode, a control system maintains the first light source illuminated. The control system, which includes an integrated imaging system, illuminates both the first light source and the second light source when the imaging system identifies a target in an illumination area. Methods of preparing and using such outdoor lighting system are also provided. | 2013-10-24 |
20130278149 | APPARATUS, SYSTEM AND METHOD FOR MULTI-CHANNEL ILLUMINATION - Disclosed are systems and methods for providing multi-channel illumination. A reflector and at least four solid state light sources are operable to emit light. A plurality of combinations of the solid state light sources are identified, where each of the combinations is operable to emit light that matches a target color point. The combinations are ranked based on their respective luminous flux value, and at least one of the combinations is selected based on the rank. A duty cycle of a control signal of each light source of the selected combinations is determined to control light emitted from the reflector. | 2013-10-24 |
20130278150 | ILLUMINATION APPARATUS AND METHOD - The application discloses an illumination apparatus comprising: a light source configured to generate light; a detector configured to detect the posture of an object within a time period and generate a plurality of signals corresponding to this time period; and a processor configured to determine the status of the object within the time period, based on the plurality of signals, and adjust the light source to generate light corresponding to the determined status of the object. | 2013-10-24 |
20130278151 | ADDRESSABLE ILLUMINATOR WITH EYE-SAFETY CIRCUITRY - An addressable illuminator is disclosed consisting of multiple optical sources used in combination with an electrical circuit so that different combinations of the optical sources can be energized without exceeding eye-safety limits. Operation of multiple optical sources may be proximate, which is eye-safe, regardless of the number of or which ones of the optical sources are energized and regardless of the position of observers. An illuminator with multiple optical sources remains eye-safe when there are single-point electrical failures, such as short circuits, in the driving circuit. Monitoring or a feedback loop for the output power is not required or necessary to control the distance of an observer in order to be eye-safe. | 2013-10-24 |
20130278152 | LIGHT EMITTING DIODE LIGHTING DEVICE AND LIGHT EMITTING DIODE LAMP - The present application discloses a light emitting diode lighting device and a light emitting diode lamp, the light emitting diode lighting device includes: a fluorescent lamp ballast outputting an alternating current; and at least one first light emitting diode lamp coupled with the fluorescent lamp ballast, and comprising a rectifying and filtering circuit and at least one light emitting diode string coupled with the rectifying and filtering circuit. The present application directly replaces a conventional fluorescent lamp tube with a properly designed LED lamp without any other modifications when reinstallation a conventional fluorescent lamp lighting device into a light emitting diode lighting device, which may reduce the cost of reinstallation, and greatly facilitate the user. | 2013-10-24 |
20130278153 | SOLID-STATE LIGHT SOURCE - In one aspect, a light source module includes one or more light emitters of a first color forming a first color group, one or more light emitters of a second color forming a second color group, the one or more light emitters of the second color group connected in series to the one or more light emitters of the first color group, a second color group adjustment circuit connected in parallel to the one or more light emitters of the second color group, the second color group adjustment circuit configured to adjust one or both of color and intensity of output light of the second color group, and a current source connected in series to solid-state color emitters of the first and the second color groups. | 2013-10-24 |
20130278154 | POWER SUPPLY - A power supply is provided. The power supply includes at least one light emission unit, a power source, an openness detection circuit, and a feedback control unit. The at least one light emission unit includes a plurality of serially connected LEDs. The power source supplies a DC voltage to the light emission unit. The openness detection circuit varies a reference potential with a voltage which is detected from both ends of at least one of the LEDs in the light emission unit. The feedback control unit regulates an output current of the power source according to the reference potential of the openness detection circuit. | 2013-10-24 |
20130278155 | BACKLIGHT DRIVE VOLTAGE CONTROL DEVICE, BACKLIGHT DRIVE VOLTAGE CONTROL METHOD AND TELEVISION - A backlight drive voltage control device, comprising: a detecting unit connected to a controller, which detects the current states of the lamp strings of the divisions of the backlight sources of a liquid crystal screen, sends feedback signals to the controller; the controller which sends a voltage adjustment control signal to an AC to DC converter according to the feedback signals, and acquires the voltage adjustment amount of each lamp string according to the voltage adjustment control signal, selects lamp strings which voltage adjustment amounts are larger than the threshold, and sends the closing feedback control signal to the detecting unit; and the AC to DC converter which outputs corresponding voltages to the lamp strings according to the voltage adjustment control signal. | 2013-10-24 |
20130278156 | LIGHT-EMITTING DIODE LIGHTING APPARATUS, ILLUMINATING APPARATUS AND ILLUMINATING METHOD - A light-emitting diode lighting apparatus includes a light source including plural grouped light-emitting diodes, plural lighting circuit parts to perform lighting control of the respective grouped light-emitting diodes of the light source individually, and a dimming control part that inputs a dimming signal from a dimming part and controls an output of each of the lighting circuit parts according to the dimming signal, and sequentially changes, when a dimming gradation is changed, outputs of the plural lighting circuit parts to new gradations in one period of the dimming signal. | 2013-10-24 |
20130278157 | DEVICE AND METHOD FOR CONTROLLING CURRENT TO SOLID STATE LIGHTING CIRCUIT - A device for controlling current to a solid state lighting load includes a capacitor ( | 2013-10-24 |
20130278158 | OLED LIGHTING MODULE - An OLED lighting apparatus includes: an OLED light panel; a first electrode; a second electrode; and at least one resistor connected between the OLED light panel and at least one of the first and second electrodes; first sets of terminals on opposite sides of the module connected to the first and second electrodes; and second sets of terminals on opposite sides of the module, wherein the lighting circuit is connected in series between the first sets of terminals. | 2013-10-24 |
20130278159 | BLEEDER CIRCUIT FOR USE IN A POWER SUPPLY - A bleeder circuit for use in a power supply of a lighting system includes a first terminal to be coupled to a first input of the power supply. A second terminal is to be coupled to a second input of the power supply. An edge detection circuit is coupled between the first and second terminals of the bleeder circuit. The edge detection circuit is coupled to output an edge detection signal in response to an input signal between the first and second inputs. A variable current circuit is coupled to the edge detection circuit and coupled between the first and second terminals of the bleeder circuit. The variable current circuit is coupled to conduct a bleeder current between the first and second terminals of the bleeder circuit in response to the edge detection signal. | 2013-10-24 |
20130278160 | ILLUMINATION DEVICE WITH ADJUSTABLE LUMINANCE AND LUMINANCE ADJUSTMENT METHOD THEREOF - The present application relates to an illumination device having a light source module, a power supply module, a driving module, a control module and a start module. The driving module outputs a driving current to the light source module based on a power supply from the power supply module. The control module controls the magnitude of the driving current based on a first voltage signal generated by the power source module. After receiving the first voltage signal, the control module controls the driving module to steadily increase the driving current in a first stage output. After receiving the first voltage signal again, the control module controls the driving module to output a constant driving current equal to the driving current at the end of the first stage. | 2013-10-24 |
20130278161 | LED LIGHTING DEVICE USING BALLAST FOR FLUORESCENT LAMP - Disclosed is an LED lighting device using a ballast for a fluorescent lamp, the LED lighting device including: an LED part which includes at least one LED device; a rectifier which rectifies a power signal outputted from the ballast for a fluorescent lamp; and a controller which receives an output signal of the rectifier and controls power transmitted from the ballast to the LED part. | 2013-10-24 |
20130278162 | LED BULB FOR GENERAL AND LOW INTENSITY LIGHT - A bimodal light emitting diode (LED) light bulb, method, and system having a form factor compatible with industry standard light bulb sockets provides general lighting when power is received via one or more light bulb electrical contacts, then as a different luminosity when power is removed from the contacts. A first subset of LEDs is powerable via the contacts for general light, while a second subset of LEDs is powerable via an energy storage device. Both subsets of LEDs are packaged in a replaceable light bulb. The energy storage device may comprise a capacitor or battery which may be charged when power is supplied via the contacts. In one embodiment, power to LEDs is controlled by a timer, motion sensor, light sensor, sound sensor, dimmer, voltage sensor, or manual switch. In another embodiment, an ambience generator emits fragrance or background sound. In another embodiment, LEDs are individually replaceable. | 2013-10-24 |
20130278163 | SYSTEM AND METHOD FOR CONTROLLING LED SEGMENTS TO PROVIDE LIGHTING EFFECTS - A single board light engine includes an AC to AC step driver that selectively powers multiple LED segments by controlling tap points between the LED segments as the input voltage goes from zero crossover to maximum voltage and returns to zero crossover. The step driver may power a first LED segment, a second LED segment, both the first and second LED segments, or none of the LED segments depending upon the input voltage level. The LEDs within an LED segment may share a characteristic that differs from a characteristic shared by LEDs in another segment, which allows the LED fixture to provide a variety of lighting effects. | 2013-10-24 |
20130278164 | LIGHT FIXTURE REMOTE CONTROLLING SYSTEM - A light fixture remote controlling system comprises a remote host and at least one light fixture; wherein the remote host has a monitoring software, electrically connected with a first wireless transmitting/receiving module and a first power amplifying module; each light fixture is provided in the body thereof with an AC-DC converter for a connection with a power source, a photoelectric module, and a controlling circuit electrically connected between the AC-DC converter and the photoelectric module, respectively; wherein the controlling circuit is integrated with: a dimming module; a current/voltage stabilizing module; a second wireless transmitting/receiving module; a voltage/current detecting module; a second power amplifying module; and a signal processing module. | 2013-10-24 |
20130278165 | SEMICONDUCTOR LIGHT SOURCE LIGHTING CIRCUIT - A semiconductor light source lighting circuit is provided with: a switching regulator that generates a drive current of a semiconductor light source using a switching element; and a control circuit that controls ON/OFF of the switching element. The control circuit is provided with: a comparator that compares the drive current and a target value; a counter that counts a digital value in a count direction determined by a comparison result of the comparator; a digital-analog converter that converts the digital value into an analog signal; and a drive circuit that controls the ON/OFF of the switching element based on the analog signal. The counter counts the digital value at a speed determined by an ON/OFF cycle of the switching element. | 2013-10-24 |
20130278166 | SEMICONDUCTOR CIRCUIT AND SEMICONDUCTOR APPARATUS - A semiconductor circuit includes an operational amplifier, a voltage drop circuit, and a switch. The operational amplifier has an output terminal connected to an active element that produces a load drive current. A reference voltage is input to the non-inverting input of the operational amplifier. The voltage drop circuit drops a voltage outputted from the operational amplifier. The switch applies a voltage corresponding to a predetermined current flowing when the active element is on to the inverting input of the operational amplifier in a first interval in which the active element is on in response to a predetermined voltage from the operational amplifier. The switch allows the voltage dropped by the voltage drop circuit to be input to the inverting input in a second interval in which the active element is off, thereby shortening a time period until the load drive current starts to flow. | 2013-10-24 |
20130278167 | Light Emitting Apparatus, Electronic Equipment and Method of Driving Pixel Circuit - A light emitting apparatus includes: a first transistor having a first end a second end, and a first control electrode; a light emitting device having a first electrode and a second electrode; a second transistor having a third end connected to the first end and a fourth end connected to the first electrode; a third transistor having a fifth end connected to the first electrode and a sixth end connected to an first power supply line; a fourth transistor having a seventh end connected to the first control electrode and a eighth end connected to the first end; a capacitive device which has a third electrode connected to first control electrode and a fourth electrode; and a fifth transistor having a ninth end connected to the fourth electrode and a tenth end connected to a data line. | 2013-10-24 |
20130278168 | UNIVERSAL POWER CONTROL DEVICE - The present invention is directed to an intelligent dimmer that is capable of “learning” the type of load it is controlling, and adjusts its operating parameters accordingly. The present invention can adaptively drive electrical loads over a wide range of wattages. The intelligent dimmer of the present invention is configured to automatically calibrate itself based on the load current demands of a particular electrical load. The intelligent dimmer of the present invention also adaptively limits in-rush currents to extend the life expectancy of the solid state switching components used therein. | 2013-10-24 |
20130278169 | BATTERY POWERED WIRELESS DMX LED LIGHTING SYSTEM - A DMX based wireless, light emitting device and system including wireless modules that are battery powered and wirelessly receive and transmit DMX to other modules or a controller device. The modules can optionally be hard wired to both a DMX signal and external power supply. An integrated processor can independently control a pre-selected lighting effects, channels, addresses, programs and other light effect features. | 2013-10-24 |
20130278170 | DETECTION CIRCUIT FOR KEYBOARD CABLE - One embodiment of a display backlight driver integrated circuit can be configured for operation in at least two different ways. A first method transfers data from an EEPROM to hardware registers prior to regular operation. A second method also transfers data from an EEPROM to registers. However, hardware registers can be overwritten with data accepted from a control bus, prior to regular operation. A keyboard driver IC can detect the presence or absence of a cable to an LED. If the cable is absent, the driver IC will not supply power for the LED. One embodiment of a keyboard and display backlight control system can be configured to allow substantially independent operation. | 2013-10-24 |
20130278171 | DISPLAY BACKLIGHT DRIVER IC CONFIGURATION - One embodiment of a display backlight driver integrated circuit can be configured for operation in at least two different ways. A first method transfers data from an EEPROM to hardware registers prior to regular operation. A second method also transfers data from an EEPROM to registers. However, hardware registers can be overwritten with data accepted from a control bus, prior to regular operation. A keyboard driver IC can detect the presence or absence of a cable to an LED. If the cable is absent, the driver IC will not supply power for the LED. One embodiment of a keyboard and display backlight control system can be configured to allow substantially independent operation. | 2013-10-24 |
20130278172 | SYSTEM FOR GENERATING NON-HOMOGENOUS LIGHT AND ASSOCIATED METHODS - A lighting system including a plurality of luminaires capable of generating polychromatic light having a dominant wavelength in the visible spectrum and arranged into an array and a computerized device electrically coupled to the plurality of luminaires so as to selectively operate each individual luminaire to produce source light varying with each other and with time. The computerized device operates the luminaire such that each luminaire emits a source light, the source lights combining to form a combined light having selected characteristics. The source lights, when perceived directly, recreate a lighting scenario having varying lighting characteristics. | 2013-10-24 |
20130278173 | LIGHTING SYSTEM FOR ACCENTING REGIONS OF A LAYER AND ASSOCIATED METHODS - A system and method for accenting regions of a layer including a lighting system including a plurality of light sources operable to emit polychromatic light and a layer having two or more regions configured to diffusively scatter light within a wavelength range while absorbing light not within the wavelength range. The regions may be configured to represent recognizable characters or images, and may form a sequence. The lighting system may highlight the regions individually or simultaneously. The layer may be attachable to a surface and may further include non-highlighted regions. The system may also include appliqués applied to a surface and a cover layer transparent to certain wavelengths of light that the appliqués scatter. | 2013-10-24 |
20130278174 | COMBINED SURFACE MOUNT AND IN-WALL MOUNT DIMMER - A lighting dimmer for surface mount or in-wall mount comprising: a lighting dimmer main body, the main body comprising: a lighting control board positioned in the main body for controlling one or more light emitting diode based light sources; a surface mount attachment connected to the main body for facilitating surface mount connection of the lighting dimmer; a controller connected to the lighting control board and configured to input a command to the lighting control board, and; a surface portion configured to receive an insert for in-wall mounting of the lighting dimmer. | 2013-10-24 |
20130278175 | KEYBOARD BACKLIGHT DRIVER IC - One embodiment of a display backlight driver integrated circuit can be configured for operation in at least two different ways. A first method transfers data from an EEPROM to hardware registers prior to regular operation. A second method also transfers data from an EEPROM to registers. However, hardware registers can be overwritten with data accepted from a control bus, prior to regular operation. A keyboard driver IC can detect the presence or absence of a cable to an LED. If the cable is absent, the driver IC will not supply power for the LED. One embodiment of a keyboard and display backlight control system can be configured to allow substantially independent operation. | 2013-10-24 |
20130278176 | System And Method For A Coordinated Series-Organized Power and Control System - To control multiple electronic circuits organized in a series configuration, this document introduces a single-wire power and control system. Specifically, individually controlled electronic circuits are arranged in a series configuration that is driven by a control unit located at the head of the series. The head-end control unit provides both electrical power and control signals down a single wire to drive all of the electronic circuits in the series in a manner that allows each electronic circuit to periodically draw power from the single wire. Each electronic circuit in the series has been designed such that the electronic circuits coordinate power draws to reduce peak power demand. | 2013-10-24 |
20130278177 | METHOD AND APPARATUS WITH LIGHTING SYSTEM FOR BREWING INGREDIENTS IN A SOLVENT - The invention relates to a method and an apparatus for brewing ingredients in a solvent, said apparatus comprising: a container for containing said ingredients; a sensor for measuring a characteristic of said solvent; a lighting system ( | 2013-10-24 |
20130278178 | INDICATION CIRCUIT FOR SPEED OF LOCAL AREA NETWORK CONNETION - An indication circuit includes a network port, a detecting microchip, a first NOT AND (NAND) gate, a second NAND gate, a NOT gate, a first AND gate, and a second AND gate. The network port receives a network connector of a network cable therein, and includes a first light-emitting diode (LED) L | 2013-10-24 |
20130278179 | DRIVE UNIT - A drive unit includes an ultrasonic actuator having an actuator body formed using a piezoelectric element, and a driving element provided on the actuator body and configured to output a driving force by moving according to the vibration of the actuator body, and a control section configured to induce the vibration in the actuator body by applying a first and a second AC voltages having a same frequency and different phases to the piezoelectric element. The control section adjusts the first AC voltage and the second AC voltage so that the first AC voltage and the second AC voltage have different voltage values from each other. | 2013-10-24 |
20130278180 | ACTUATOR AND METHOD FOR DRIVING ACUATOR - An actuator is provided which can be driven with a simple configuration and by simple control. The actuator comprises a thin film made of a shear piezoelectric material, a first electrode formed on a first main surface of the thin film, and a second electrode formed on a second main surface of the thin film. The actuator is characterized in that driving force is generated on at least one end edge of the thin film by applying a predetermined AC voltage between the first electrode and the second electrode. | 2013-10-24 |
20130278181 | Reverse Rotation of a Motor Configured for Operation in a Forward Direction - There are disclosed herein various implementations of a method and a system enabling operation of a motor in reverse. Such a method includes applying a first drive signal to begin rotating the motor in a reverse direction, the first drive signal being applied for a predetermined period of time. The method also includes using a position sensor signal for the motor to control motor drive in the reverse direction when the motor reaches a predetermined reverse speed, and operating the motor in the reverse direction. | 2013-10-24 |
20130278182 | METHODS, SYSTEMS AND APPARATUS FOR GENERATING VOLTAGE COMMANDS USED TO CONTROL OPERATION OF A PERMANENT MAGNET MACHINE - Embodiments of the present disclosure relate to methods, systems and apparatus for generating voltage commands used to control operation of a permanent magnet machine. | 2013-10-24 |
20130278183 | LOAD FILTERS FOR MEDIUM VOLTAGE VARIABLE SPEED DRIVES IN ELECTRICAL SUBMERSIBLE PUMP SYSTEMS - A medium voltage drive for driving a motor of an electric submersible pump can include inverter circuitry that includes an output for output of power and a load filter connected to the output that includes inductors and capacitors that include inductance (L) and capacitance (C) values that determine a resonance frequency (f | 2013-10-24 |
20130278184 | AC MOTOR CONTROL APPARATUS - A control apparatus of an AC motor improves an electric current estimation accuracy of the AC motor. The control apparatus includes an electric current estimation unit that repeatedly performs an inverted dq conversion, a dq conversion, and a correction process. Based on a d/q axis electric current estimate values of a previous cycle, the inverted dq conversion calculates an electric current estimate value of a sensor phase. The dq conversion calculates a d/q axis electric current correction values based on an electric current estimation error of the sensor phase, which is derived from the electric current estimate value and the electric current detection value detected by an electric current detector. The correction process calculates the d/q axis electric current estimate values of a current cycle by correcting the d/q axis electric current estimate values of the previous cycle by using the d/q axis electric current correction values. | 2013-10-24 |
20130278185 | AC MOTOR CONTROL APPARATUS - A control apparatus for an AC motor includes a current sensor and an estimation section. The current sensor detects current flowing through one phase of the motor. The estimation section repeats an estimation process. In the estimation process, d-axis and q-axis current estimation values are calculated based on the presently detected current of the one phase and a previous current estimation value of another phase of the motor, and a present current estimation value of each phase is calculated based on smoothed values of the d-axis and q-axis current estimation values. The estimation section performs the estimation process based on a phase lag element. The phase lag element is a difference between the presently detected current and a previous current estimation value of the one phase or the previously detected current. | 2013-10-24 |
20130278186 | AC MOTOR CONTROL APPARATUS - A control apparatus for a three-phase AC motor includes a current sensor and a current estimation section. The current sensor detects current flowing through one phase of the motor. The current estimation section repeats dq transformation and inverse dq transformation in a predetermined cycle. In the dq transformation, a d-axis current estimation value and a q-axis current estimation value in a rotating coordinate system of the AC motor are calculated based on the detected current and a previous current estimation value of another phase of the AC motor. In the inverse dq transformation, a present current estimation value of the other phase to be obtained at a time of angle advance of one period of the cycle is calculated based on smoothed values of the d-axis current estimation value and the q-axis current estimation value. | 2013-10-24 |
20130278187 | AC MOTOR CONTROL APPARATUS - A control apparatus includes an electric current estimation unit to improve a responsiveness of an AC motor. The electric current estimation unit performs, at predetermined intervals, a dq conversion, a correction process, and an inverted dq conversion. The dq conversion calculates d/q axis electric current estimate values based on a detection value of a sensor phase from a sensor, and on an electric current estimate values of two phases of the AC motor other than the sensor phase from a previous cycle. The correction process corrects, during the dq conversion, the d/q axis electric current estimate values in an orthogonal direction that is orthogonal to a sensor phase axis. The inverted dq conversion calculates the electric current estimate values of the two phases other than the sensor phase based on the d/q axis electric current estimate values corrected by the correction process and smoothed by a low-pass filter process. | 2013-10-24 |
20130278188 | AC MOTOR CONTROL APPARATUS - A control apparatus of an AC motor improves an electric current estimation accuracy of the AC motor, which includes a three phase motor with an electric current detector to detect an electric current detection value of one of the three phases (a sensor phase). The control apparatus includes an electric current estimation unit that repeatedly performs an inverted dq conversion and a dq conversion. The inverted dq conversion calculates an electric current estimate values for phases other than the sensor phase based on the d/q axis electric current estimate values of a previous cycle. The dq conversion calculates the d/q axis electric current estimate values of a current cycle in a rotation coordinate system of the AC motor based on the electric current estimate values calculated by the inverted dq conversion and the electric current detection value of the sensor phase detected by the electric current detector. | 2013-10-24 |
20130278189 | INVERTER CONTROL SYSTEM - A LPF extracts DC component of a current detection value of an inverter input current. A subtracting section | 2013-10-24 |
20130278190 | Method for Adjusting a DC Voltage Intermediate-Circuit Voltage - A method is disclosed for adjusting a voltage of a DC-voltage intermediate circuit in a battery system having a battery and a drive system. The battery is configured to output one selectable output voltage from n+1 different output voltages. In a first step of the method, an actual value of the voltage of the DC-voltage intermediate circuit is determined, and is then compared with the various output voltages of the battery. A first selected output voltage of the battery, which is the highest voltage of those output voltages of the battery which are less than the actual value of the voltage of the DC-voltage intermediate circuit, and a second selected output voltage of the battery, which is the lowest voltage of those output voltages of the battery which are higher than the actual value of the voltage of the DC-voltage intermediate circuit, are then selected. | 2013-10-24 |
20130278191 | MOTOR DRIVE CONTROL DEVICE - A motor drive control device is provided in which if any abnormality occurs in a drive control circuit, drive command signals the drive control circuit generates are interrupted at once, so that an AC motor can be stopped in safety. A monitor control circuit and drive command signal interruption circuit are provided to the drive control circuit that takes variable-speed control of the AC motor supplied with power from a DC drive power source via a semiconductor bridge circuit. If any abnormality occurs in the drive control circuit, the drive command signals the drive control circuit generates are interrupted at once. When starting operation, the drive control circuit and monitor control circuit cooperate with each other to conduct preliminary check as to whether or not the drive command signal interruption circuit operates normally, base on a predetermined time schedule, and stop the AC motor without fail if any abnormality occurs during operation. | 2013-10-24 |
20130278192 | CONTROL APPARATUS REDUCING NOISE COMING FROM ROTARY ELECTRIC MACHINE - A control apparatus for a rotary electric machine includes: operating unit for operating a DC-AC conversion circuit including a switching element so as to control a controlled variable of the rotary electric machine, the switching element selectively connects positive and negative terminals of a DC power source to respective terminals of the rotary electric machine and conduction period setting unit, in response to a rotational speed of the rotary electric machine, for setting a conduction period during which the respective terminals of the rotary electric machine, and the positive and negative terminals of the DC power source are allowed to be electrically connected therebetween via the switching element. The conduction period setting unit set the conduction period as a manipulated variable so as to reduce electromagnetic force distortion at a frequency corresponding to a resonant frequency of the rotary electric machine. | 2013-10-24 |
20130278193 | DIRECT CURRENT GENERATING, MANAGEMENT AND DISTRIBUTION SYSTEM - A direct current generating, management and distribution system includes a first armature winding, a first active rectifier having a first controller and coupled to the first armature winding, a first direct current bus coupled to the first active rectifier, a second armature winding, a second active rectifier having a second controller and coupled to the second armature winding, a second direct current bus coupled to the second active rectifier, a unit controller coupled to the first and second controllers, a first set of switches coupled to the first direct current bus and to the unit controller, a second set of switches coupled to the second direct current bus and to the unit controller, a third switch coupled to the first direct current bus and to the unit controller and a fourth switch coupled to the second direct current bus and the unit controller. | 2013-10-24 |
20130278194 | Power Inverter - There is provided a power inverter that fixes a connector in which a DC-side connector and an AC-side connector are mechanically combined to a casing in which a power semiconductor module converting a DC current into an AC current is housed, a positive-side DC terminal and a negative-side DC terminal are arranged to be aligned along one side, which is formed in the widthwise direction, of one side face of the casing, and a U-phase side terminal, a V-phase side terminal, and a W-phase side terminal are arranged to be aligned along one side, which is formed in the longitudinal direction, of one side face of the casing. | 2013-10-24 |
20130278195 | CONTROL APPARATUS OF ROTATING ELECTRICAL MACHINE - A phase difference between an inductive voltage of an armature winding of a rotating electrical machine and an output of a magnetic pole position sensor is detected by a phase difference detection unit. The output of the magnetic pole position sensor is corrected on the basis of the phase difference thus detected and a power conversion unit is controlled on the basis of the corrected output. | 2013-10-24 |
20130278196 | METHOD FOR AUTOMATICALLY ESTIMATING INERTIA IN A MECHANICAL SYSTEM - Systems and methods for estimating an inertia and a friction coefficient for a controlled mechanical system are provided. In one or more embodiments, an inertia estimator can generate a torque command signal that varies continuously over time during a testing sequence. The velocity of a motion system in response to the time-varying torque command signal is measured and recorded during the testing sequence. The inertia estimator then estimates the inertia and/or the friction coefficient of the motion system based on the torque command data sent to the motion system and the measured velocity data. In some embodiments, the inertia estimator estimates the inertia and the friction coefficient based on integrals of the torque command data and the velocity data. | 2013-10-24 |
20130278197 | MOTOR CONTROL APPARATUS EQUIPPED WITH DELTA-SIGMA MODULATION AD CONVERTER - A motor control apparatus includes a power conversion unit which supplies drive power to a motor, a current detection unit which detects the value of a current flowing from the power conversion unit to the motor, a delta-sigma modulation AD converter to which the current value detected by the current detection unit is input as analog data, and which includes a modulator and a plurality of digital low-pass filters and outputs digital data in accordance with the filter characteristics of the respective digital low-pass filters, and a command generating unit which is connected to the digital low-pass filter to be used for motor drive control among the plurality of digital low-pass filters, and which generates a drive command to the power conversion unit by using the digital data output from the motor drive controlling digital low-pass filter. | 2013-10-24 |
20130278198 | MOTOR CONTROL DEVICE AND ELECTRIC POWER STEERING DEVICE - A motor control device includes an anomaly detection means that detects an anomaly occurring on power feeding paths of respective phases on the basis of first electric current values, second electric current values of the respective phases and a phase electric current value obtained by the first electric current values and the second electric current values. When at least one of an absolute value of the first electric current value and an absolute value of the second electric current value exceeds a first threshold value corresponding to a limit value of an electric current detection and an absolute value of the phase electric current value is smaller than a second threshold value corresponding to zero in any one phase, the anomaly detection means determines that an anomaly of an electric current sensor has occurred as regards the corresponding phase. | 2013-10-24 |
20130278199 | INTEGRATION OF SPINDLE EXTERNAL SENSE RESISTOR INTO SERVO IC WITH STABLE RESISTANCE CONTROL CIRCUIT - An apparatus, comprises three driver FETs coupled at their sources; note-driver circuit; a first sense FET coupled to the sources of the three driver FETs; a current mirror having the first sense FET and a mirror FET; wherein the first sense FET is coupled to the mirror FET; a first transconductance amplifier coupled to the first sense FET; a second amplifier coupled to the current mirror, and an output of the first transconductance amplifier is an input to the second amplifier. | 2013-10-24 |
20130278200 | SYSTEM FOR CONTROLLING CONTROLLED VARIABLE OF ROTARY MACHINE - In a system for controlling a controlled variable of a rotary machine having plural-phase input terminals of the rotary machine in which plural-phase AC power is applied from an AC power applying module to the input terminals, a command-voltage setting module sets, based on a request value for the controlled variable, plural-phase AC command voltages for the plural-phase AC power as a feedforward manipulated variable. A current obtaining module obtains plural-phase AC currents flowing in the respective plural-phase input terminals of the rotary machine. An amplitude correcting module corrects the amplitude of at least one of the plural-phase AC command voltages based on the magnitudes of the plural-phase AC currents. | 2013-10-24 |