50th week of 2014 patent applcation highlights part 18 |
Patent application number | Title | Published |
20140361616 | SYSTEM WITH TWO-STAGE OUTPUT VOLTAGE - A system with two-stage output voltage includes an external power source unit, a dying gasp control circuit unit, and a power source storage unit. The dying gasp control circuit unit is connected to the external power source unit via signals to monitor whether an output power outputted from the external power source unit is interrupted or not. The power source storage unit is connected to the external power source unit and the dying gasp control circuit unit via signals. The output power outputted from the external power source unit is initially stored in the power source storage unit, and an output voltage outputted from the power source storage unit is controlled by the dying gasp control circuit unit. When the output voltage is changed to a predetermined voltage, the system is notified to execute a dying gasp operation. | 2014-12-11 |
20140361617 | POWER DEVICE - When a control device simultaneously drives first and second direct-current power converter circuits, the control device can arbitrarily control a first voltage and a second voltage, and a load voltage by changing at least one of first and second duties. The control device generates a loop current, which discharges a first power source and charges a second power source, or a loop current, which charges the first power source and discharges the second power source, in a loop circuit where a first reactor and a second reactor are connected in series. | 2014-12-11 |
20140361618 | NANOPOWER VOLTAGE REFERENCE FOR AN IMPLANTABLE MEDICAL DEVICE - Capacitive charge re-distribution is used to create any desired number of secondary reference voltages from a primary reference voltage. The capacitive charge re-distribution allows reduced current consumption compared to conventional approaches to generating additional reference voltages. The secondary reference voltage or voltages may be greater than or less than the original reference voltage. | 2014-12-11 |
20140361619 | POWER DEVICE - A first direct-current power converter circuit increases an electrical potential difference between a positive electrical potential of a load and a positive electrical potential of a power source by a step-up operation, and a second direct-current power converter circuit increases an electrical potential difference between a negative electrical potential of the load and a negative electrical potential of the power source by a step-up operation. A control device controls switching operations of first and second switching devices included in the first direct-current power converter circuit based on a first duty. The control device controls switching operations of third and fourth switching devices included in the second direct-current power converter circuit based on a second duty. The control device controls a load voltage to be an arbitrary voltage, which is equal to or more than a source voltage. | 2014-12-11 |
20140361620 | Overload detection device - The invention relates to an overload detection device ( | 2014-12-11 |
20140361621 | DC-Power System With System Protection Capabilities - A DC-power system including a main DC bus, a power generating unit arranged to feed the main DC bus, an isolator switch arranged between the main DC bus and the power generating unit for isolating the power generating unit from the main DC bus in case of a main DC bus fault, a drive unit arranged to be fed by the main DC bus, wherein the drive unit includes a drive unit bus system, converter units connected to the drive unit bus system, and fuses arranged between the drive unit bus system and the converter units for protecting the converter units in case of a drive unit fault. | 2014-12-11 |
20140361622 | POWER DEVICE - A control device controls first and second direct-current power converter circuits so that a switching operation for at least one of a pair of first and second switching devices included in the first direct-current power converter circuit and a pair of first and third switching devices included in the second direct-current power converter circuit is performed. The control device controls a switching operation of the first switching device and the second switching device included in the first direct-current power converter circuit based on a first duty. In the switching operation, the first switching device and the second switching device are inverted and the alternative close and open (ON/OFF) switching operations of each first and second switching device are performed. The control device controls a switching operation of the first switching device and the third switching device included in the second direct-current power converter circuit based on a second duty. | 2014-12-11 |
20140361623 | AUXILIARY POWER SUPPLY FOR LIGHTING DRIVER CIRCUITRY - Techniques for supplying auxiliary power to lighting driver circuitry are disclosed. An auxiliary power supply can be used, for example, to provide auxiliary power to a current source that drives an LED string. In some embodiments, the LED string is effectively used as a series resistor to charge a capacitor that provides the auxiliary voltage V | 2014-12-11 |
20140361624 | APPARATUS AND METHODS FOR CONTROL OF LOAD POWER QUALITY IN UNINTERRUPTIBLE POWER SYSTEMS - Systems and methods for supplying power to a load include a static switch between a primary power source and a power conditioner associated with a secondary power source, and maintenance switches between the primary and secondary power sources and a load. A controller is operable to actuate the switches. The static switch is operable to conduct power from the primary power source to a capacitor associated with the power conditioner. Current supplied from the primary power source includes portions at a fundamental frequency and a harmonic frequency. The secondary power source or the capacitor, or both, can be used to supply reactive power having a current equal and opposite that of the harmonic portion such that substantially all of the current provided to the load by the primary power source is at the fundamental frequency. | 2014-12-11 |
20140361625 | POWER DEVICE - A first converter circuit | 2014-12-11 |
20140361626 | COMBINED CONTROL OF TWO VOLTAGE SOURCES - Electrical management system comprising a first voltage source linked to a load and a second voltage source at lower voltage, characterized in that the second voltage source and/or an associated charger can be arranged in series with the first voltage source and the load. | 2014-12-11 |
20140361627 | WIRELESS ENERGY TRANSFER USING VARIABLE SIZE RESONATORS AND SYSTEM MONITORING - A variable effective size magnetic resonator includes an array of resonators each being one of at least two substantially different characteristic sizes and at least one power and control circuit configured to selectively connect to and energize at least one of the array of resonators. | 2014-12-11 |
20140361628 | PRIMARY POWER SUPPLY TUNING NETWORK FOR TWO COIL DEVICE AND METHOD OF OPERATION - This disclosure provides systems, methods and apparatus for connecting and operating an AC source to a load. In one aspect a power supply topology is provided which may be of particular use in the area of wireless power transfer. The topology allows for a single source to energize one or more conductive structures configured to generate a field, improving power transfer to a power receiver. | 2014-12-11 |
20140361629 | ANTENNA FOR HARVESTING RF ENERGY - An antenna for harvesting RF energy includes a radiator; and a ground plane onto which the radiator is supported. Further, the antenna includes a vertical ground plane that is formed on the ground plane in a direction parallel to the radiator at a location spaced by a predetermined distance from the radiator. | 2014-12-11 |
20140361630 | MAGNETIC FIELD SHAPING FOR INDUCTIVE POWER TRANSFER - An IPT system magnetic flux device for generating or receiving a magnetic flux, has a magnetically permeable core and at least one coil magnetically associated with the core. A shield repels magnetic flux and is located on the opposite side of the core such that the shield includes an outer portion that extends beyond at least part of the perimeter of the core. | 2014-12-11 |
20140361631 | COIL DEVICE FOR WIRELESS POWER TRANSMISSION - A coil device for wireless power transmission mounted on a movable body includes a coil body and a magnetic flux conductor. A winding forming the coil body mainly contains aluminum, and the magnetic flux conductor contains a magnetic material and a resin. | 2014-12-11 |
20140361632 | LEAKAGE PREVENTING DEVICE OF ELECTROMAGNETIC WAVE - There is provided a leakage preventing device of electromagnetic wave for a first resonator to perform wireless power transmission with a second resonator. A first conductor plate is provided on a first side of the first resonator, the first side being an opposite side of a second side where the first resonator is opposed to the second resonator. First and second conductive objects are connectable to the first conductor plate at first ends and electrically connectable to a second conductor plate at a second ends respectively. The second conductor plate is provided on a third side of the second resonator. The third side of the second resonator is an opposite side of a fourth side of the second resonator where the second resonator is opposed to the first resonator. The first and second conductive objects form a conductive loop together with the first conductor plate and the second conductor plate. | 2014-12-11 |
20140361633 | NON-CONTACT POWER SUPPLY SYSTEM - In the present invention, it is possible to activate an electrical device, such as a flat-screen television or a photo frame, while the electrical device is located in a housing space ( | 2014-12-11 |
20140361634 | INDUCTIVE ENERGY SUPPLY UNIT - A device for supplying electrical energy and/or supplying data to an electronic module, comprising a transmitting coil that has a coil axis and at least two energy receiving parts that are arranged side by side and have receiving coils, the coil axes of which run in the same direction or run parallel to the transmitting coil axis. Each of the coils is integrated in resonance circuits. The energy receiving parts supply electronics and, together with the same, are galvanically separated from one another by an insulating area of separation which is bridged by a data signal coupling line. | 2014-12-11 |
20140361635 | CONTACTLESS FEED SYSTEM AND SHIELD CASE FOR THE SAME - There is provided a shield case allowing efficient power delivery while ensuring environmental resistant such as strength and waterproof and provided a contactless feed system using the shield case. | 2014-12-11 |
20140361636 | WIRELESS POWER RECEIVING APPARATUS - A wireless power transmitting apparatus transmits an electric power signal comprising any one from among an electric field, a magnetic field, and an electromagnetic field to a wireless power receiving apparatus. A transmission antenna includes a transmission coil. An automatic tuning assist circuit is coupled in series with the transmission antenna. A power supply applies an AC driving voltage across both terminals of a series circuit that comprises the transmission antenna and the automatic tuning assist circuit. A first controller switches on and off multiple switches in synchronization with the driving voltage. A voltage monitoring unit monitors the voltage that develops at an auxiliary capacitor. | 2014-12-11 |
20140361637 | BUS SWITCHING CIRCUIT - A bus switching circuit includes a bus switching element which is connected between a first input/output terminal and a second input/output terminal, a first switching element which is connected between the second input/output terminal and a first voltage wiring, and a second switching element which is connected between the second input/output terminal and the first voltage wiring, the second switching element having an internal resistance to an electric current flowing therethrough which is larger than that of the first switching element. The bus switching circuit further includes a signal generation circuit which controls the first switching element and the second switching element by outputting the first control signal and the second control signal based on a result of the comparison between a first voltage applied to the first input/output terminal and a first threshold value. | 2014-12-11 |
20140361638 | ONE-TOUCH COUNTDOWN TIMER - A plug-in wall timer has a prominent single “one touch” activator which causes a countdown period or varying length according to the number of times it is pressed, so that the timer's outlet may be energized only for that selected period. The device is simple to use, requires no programming, and operates independently of the current time of the day or day of the week. | 2014-12-11 |
20140361639 | ELECTRIC FIELD COUPLING TYPE WIRELESS ELECTRIC POWER TRANSMITTING SYSTEM AND ELECTRIC POWER RECEIVING APPARATUS INCLUDED THE SAME - An electric power receiving apparatus of an electric power transmitting system includes an overvoltage suppressing unit connected in parallel to a resonant circuit. The overvoltage suppressing unit is formed by an impedance element. Impedance of the impedance element is set to such a value that a rise in a voltage across at least one pair of electric power receiving electrodes is suppressed as compared to a case in which the impedance element is not connected, in the process in which coupling capacitance Cm between electric power transmitting electrodes and the electric power receiving electrodes changes from a value held while the electric power transmitting electrodes and the electric power receiving electrodes are in a predetermined positional relationship during normal electric power transmission to substantially zero. | 2014-12-11 |
20140361640 | ELECTRIC POWER TRANSMISSION SYSTEM - An electric power transmission system includes an electrical-optical conversion device and multiple photoelectric conversion devices converting electricity to light. The electrical-optical conversion device includes a high-voltage source, a laser diode unit, a light combiner, and multiple optical fibers. The laser diodes receive the high-voltage source. The light combiner includes multiple first input ends and multiple first output ends. A first optical fiber interconnects a laser diode and a first input end. An end of a third optical fiber optically connects to a first output end. Each photoelectric conversion device includes a second light splitter, further optical fibers, and a photodiode unit. The second light splitter includes a third input end and a plurality of third output ends. The third input end optically connects to another end of a third optical fiber. A fourth optical fiber optically interconnects a third output end and a photodiode. | 2014-12-11 |
20140361641 | LINEAR ACTUATOR AND TUBE ASSEMBLY METHOD FOR LINEAR ACTUATOR - A linear actuator includes a first tube and a second tube inserted into the first tube to be free to slide. The first tube includes an outer tube and a cap provided detachably on an end portion of the outer tube, while the second tube includes a base portion and an inner tube provided detachably on the base portion and inserted into the outer tube to be free to slide. A first sliding member that slides against an outer periphery of the inner tube is provided on an inner periphery of one end of the outer tube. A second sliding member that slides against an inner periphery of the outer tube is provided on an outer periphery of an end portion of the inner tube corresponding to the other end of the outer tube. | 2014-12-11 |
20140361642 | MICROCURRENT GENERATION DEVICE - Disclosed is a device for generating micro electrical current capable of enhancing micro electrical current generation efficiency. The device for generating micro electrical current includes a housing having an accommodation space therein, a coil block accommodated inside the housing, a movable magnet movably provided at one surface of the coil block to generate a micro electrical current through interaction with the coil block, and an elastic member for elastically supporting movement of the movable magnet with respect to the coil block. After a first motion of the movable magnet with respect to the coil block, the movable magnet vibrates by the elastic member and interacts with the coil block. | 2014-12-11 |
20140361643 | METHOD FOR MANUFACTURING ELECTRIC MOTOR STATOR INCLUDING RESIN-MOLDED UNIT, ELECTRIC MOTOR STATOR, AND ELECTRIC MOTOR - A method for manufacturing an electric motor stator, including: attaching a hollow bracket to an end of a hollow stator core and allowing a lead connected to the winding to pass through an opening formed in a peripheral surface of the bracket to take out the lead to an outside of the bracket; placing a core material inside the stator core and the bracket; attaching a sealing member to an outer peripheral surface of the bracket so as to block the opening while allowing the lead to pass through the through-hole; and filling a molten resin into an annular space between the stator core and the core material and between the bracket and the core material, to form a resin unit. | 2014-12-11 |
20140361644 | Magnet wheel - A magnet wheel for an electric motor includes a shaft and a disk made of a plastic containing magnetic particles. The disk is arranged on a carrying hub and the carrying hub is pressed onto the shaft. The carrying hub is a slotted ring around which the disk is molded on by injection molding. | 2014-12-11 |
20140361645 | BRUSHLESS DC MOTOR CONFIGURATION FOR A POWER TOOL - A power tool with a combined printed circuit board (PCB) having a doughnut shape and located coaxially with a motor shaft. The combined PCB is secured to a heat sink on one end of the motor and a metal end piece is positioned on an opposite end of the motor. The metal end cap and heat sink are secured to one another via fasteners to provide a rigid coupling. A tabbed end piece is provided between the heat sink and the motor stator and is also secured into place via the fasteners. The tabbed end piece includes wire support tabs that provide strain relief to motor coil leads. The wire support tabs extend axially from circumferential locations of the tabbed end piece and include channels to guide the motor coil leads to solder contact points on the combined PCB. | 2014-12-11 |
20140361646 | Rotating Electric Machine and Vehicle Equipped with Rotating Electric Machine - A rotating electric machine, in which a cross conductors of a stator connect slot conductors so as to stride N+1 slots at coil ends on one side and stride N−1 slots at coil ends on another side, with N representing a number of slots per pole, a stator winding includes a plurality of slot conductor groups each made up with a plurality of slot conductors corresponding to a single phase, the plurality of slot conductors in each slot conductor group are inserted at a predetermined number Ns of successive slots forming a continuous range along a circumference of the stator core so that the slot conductors in the slot conductor group take successive slot positions and successive layer positions, Ns=NSPP+NL when NSPP represents a number of slots per pole per phase and a number of layers is expressed as 2×NL. | 2014-12-11 |
20140361647 | MOTOR HEAT DISSIPATION STRUCTURE WITH INBUILT ELECTRONIC BOARD - A motor heat dissipation structure with an inbuilt electronic board includes a motor casing made of an aluminum material. The electronic board is disposed in the motor casing. Electronic components provided on one side of the electronic board are attached to the inner wall of one end of the motor casing. A heat dissipation metallic member is provided on electronic components on the other side of the electronic board. The heat dissipation metallic member extends to the circumferential side of the motor casing and is attached to the motor casing. Thus, the heat generated from the electronic components is conducted to the outside through the motor casing to enhance heat dissipation efficiency of the electronic board so as to protect the electronic board, preventing the electronic board from being overheated. | 2014-12-11 |
20140361648 | ELECTRIC ROTATING MACHINE - Two or more switching devices ( | 2014-12-11 |
20140361649 | COOLING ARRANGEMENT FOR AN ELECTRICAL MACHINE - This invention relates to a laminated core for an electrical machine, including: a plurality of laminations configured to define a channel in a surface of the laminated core for the flow of a cooling fluid, wherein the channel has a base and at least one side wall, the at least one side wall having a stepped profile. | 2014-12-11 |
20140361650 | STATOR WITH GROUND CONTACT - A stator for an electrical machine with a stator body ( | 2014-12-11 |
20140361651 | COMPOSITE MAGNETIC BEARING HAVING AUXILIARY BEARING COUPLED THERETO - The present invention relates to a composite magnetic bearing having an auxiliary bearing coupled thereto, which has an improved structure for minimizing a length of a rotor and a system volume. | 2014-12-11 |
20140361652 | INTEGRATED ELECTROMAGNETIC CLUTCH AND EDDY-CURRENT COUPLING - A system for transmission of power includes a clutch having a driven clutch member and a driving clutch member. The driven and driving clutch members are operatively connected to one another for common rotation in a first position with the clutch members engaged to one another and for rotation relative to one another in a second position with the clutch members disengaged from one another. An eddy-current coupling is operatively connected to selectively move at least one of the clutch members to engage and disengage the clutch members between the first and second positions. The eddy-current coupling is also operatively connected to provide electromagnetic eddy-current coupling between the clutch members with the clutch members in the second position disengaged from one another to drive the driven clutch member at a rate different from that of the driving clutch member. | 2014-12-11 |
20140361653 | HIGH TORQUE DENSITY ELECTRICAL MACHINE - An electrical machine includes a rotor comprising a rotor core and a plurality of permanent magnets embedded radially within the rotor core to form a plurality of rotor poles. The electrical machine further includes a stator comprising a stator core disposed concentrically outside the rotor and including a plurality of stator teeth defining a plurality of stator slots there between. An arithmetic sum or difference of twice the number of stator teeth and the number of the stator poles equals the number of rotor poles. | 2014-12-11 |
20140361654 | BRUSHLESS PERMANENT-MAGNET MOTOR - A brushless permanent-magnet motor includes a rotor, a magnet set mounted at the rotor, a stator coaxially surrounding the magnet set in a coaxial manner relative to the rotor, and a bushing set between the magnet set and the stator in a coaxial manner relative to the rotor and the stator. The stator has a plurality of teeth spaced around the inner perimeter thereof and a retaining crevice defined between the distal front end portions of each two adjacent teeth remote from the inner perimeter. The bushing has a plurality of locating ribs respectively engaged into the retaining crevices of the stator. Thus, the brushless permanent-magnet motor has a high level of structural stability, and can effectively reduce the air-gap flux density variation and instant cogging torque and torque ripples and solve vibration and noise problems. | 2014-12-11 |
20140361655 | BRUSHLESS PERMANENT-MAGNET MOTOR - A brushless permanent-magnet motor includes a stator, a rotor rotatably mounted within the stator in a coaxial manner, a magnet set including a plurality of magnet components mounted around the periphery of the rotor and leaving a gap between the magnet set and the stator, and two locating plates made from a magnetically conductive material and respectively mounted at two opposite sides of the rotor for synchronous rotation with the magnet set and the rotor. Thus, the brushless permanent-magnet motor has a high level of structural stability, and can effectively improve the air-gap flux density and electromagnetic torque under the rated revolving speed to further enhance the performance of the motor. | 2014-12-11 |
20140361656 | ROTOR FOR A ROTATING ELECTRIC MACHINE AND ROTATING ELECTRICAL MACHINE COMPRISING SUCH A ROTOR - The rotor comprises of a plurality of alternating north poles (N) and south poles (S) formed from a plurality of permanent magnets ( | 2014-12-11 |
20140361657 | MAGNETIC CIRCUIT COMPRISING SECTORS - The invention relates to a magnetic circuit for a rotary electric machine, including: a plurality of packs of sheets stacked to form sectors, the facing sidewalls of said packs including nestable projections; and inserts introduced into housings defined at least partially by the nesting of the projections, said inserts being used to assemble the sectors to one another. | 2014-12-11 |
20140361658 | ROTOR FOR ROTATING ELECTRIC MACHINE - In a rotor of the present invention, an interference is set to have a relationship so that an inner diameter of a press-fit projecting portion before press-fitting is smaller than a diameter of a shaft, and in the inner wall surface, a non-projecting portion is formed without projecting portions on a portion in which a weld line is generated by the molding. | 2014-12-11 |
20140361659 | ROTOR HOUSING FOR EASY AND SAFE ASSEMBLING - Disclosed is a rotor housing for a motor. The rotor housing has a shaft bushing in the center thereof and includes a plurality of operating holes disposed at a defined position between an outer circumference of the rotor housing and the shaft bushing. The defined position corresponds to the position of a plurality of holes formed in a stator to be coupled to the rotor housing. | 2014-12-11 |
20140361660 | Transducing apparatus - A transducing apparatus that is sensitive to physical vibrations. The transducing apparatus converts physical manifestations into electrical signals. | 2014-12-11 |
20140361661 | TEMPERATURE COMPENSATION FOR MEMS DEVICES - A microelectromechanical system (MEMS) device includes a temperature compensating structure including a first beam suspended from a substrate and a second beam suspended from the substrate. The first beam is formed from a first material having a first Young's modulus temperature coefficient. The second beam is formed from a second material having a second Young's modulus temperature coefficient. The body may include a routing spring suspended from the substrate. The routing spring may be coupled to the first beam and the second beam. The routing spring may be formed from the second material. The first beam and the second beam may have lower spring compliance than the routing spring. The MEMS device may be a resonator and the temperature compensating structure may have dimensions and a location such that the temperature compensation structure modifies a temperature coefficient of frequency of the resonator independent of a mode shape of the resonator. | 2014-12-11 |
20140361662 | Apparatus And Method For Energy Harvesting - An apparatus for energy conversion, comprising a piezoelectric component comprising a first part configured to convert vibrational energy into electrical energy; and an output for sending a first portion of the generated electrical energy to an electronic device, and a feedback loop for feeding a second portion of the generated electrical energy to a second part of the piezoelectric component, wherein the second part of the piezoelectric component is coupled to the first part of the piezoelectric component and is configured to convert electrical energy into vibrational energy thereby causing the first part of the piezoelectric component to vibrate. | 2014-12-11 |
20140361663 | ELECTRONIC COMPONENT - An electronic component has a support member, an SAW element which is mounted on the support member with a space S therebetween and which has a facing surface which faces the support member, and a resin portion which covers the SAW element and which is provided so as to seal the space S. The SAW element has a piezoelectric substrate, an IDT provided on the facing surface of the piezoelectric board, an wiring (an outer wiring) which is provided on the facing surface of the piezoelectric board and extends from the IDT toward the periphery side of the piezoelectric board, and a dam member which is adjacent to a lateral edge portion of the wiring and which is provided locally relative to the circumferential direction which surrounds the IDT. | 2014-12-11 |
20140361664 | ACOUSTIC WAVE DEVICE - An acoustic wave device includes: a piezoelectric film located on a substrate; a lower electrode and an upper electrode facing each other across the piezoelectric film; a temperature compensation film located on a surface, which is opposite to the piezoelectric film, of at least one of the lower electrode and the upper electrode and having a temperature coefficient of elastic constant opposite in sign to a temperature coefficient of elastic constant of the piezoelectric film; and an additional film located on a surface of the temperature compensation film opposite to the piezoelectric film and having an acoustic impedance greater than an acoustic impedance of the temperature compensation film. | 2014-12-11 |
20140361665 | QUARTZ CRYSTAL DEVICE AND METHOD FOR FABRICATING THE SAME - A surface mount type quartz crystal device includes a quartz crystal vibrating piece and a base plate. The quartz crystal vibrating piece is configured to vibrate at a predetermined frequency. The base plate is made of a crystal or a glass. The base plate includes an external electrode disposed on a bottom surface of the base plate to mount the quartz crystal device. The quartz crystal vibrating piece is placed on an opposite surface of the bottom face. The external electrode includes a metal film formed on a surface of the base plate by sputtering, and an electroless plating film formed on a surface of the metal film by electroless plating. The electroless plating film includes a nickel layer including lead and bismuth. | 2014-12-11 |
20140361666 | CRYSTAL RESONATOR, AND PRODUCTION METHOD THEREFOR - A crystal resonator includes: lower glass plates on which first electrodes are formed so as to extend from side surfaces to a bottom surface of the lower glass plates; a crystal plate which is provided over the lower glass plates and on which second electrodes to be coupled to the first electrodes are formed on a surface in contact with the lower glass plates; and an upper glass plate which is provided over the crystal plate; wherein the side surfaces of the lower glass plates on which the first electrodes are formed are provided with a protrusion that extends in parallel with a top surface and the bottom surface of the lower glass plates and that extends from one end to the other end of each of the side surfaces, and wherein the first electrodes are formed on the side surfaces that include surfaces of the protrusion. | 2014-12-11 |
20140361667 | ACTUATOR - An actuator includes a DC motor having two terminals to be fed with DC power, an output gear driven by the DC motor, a potentiometer having an arc resistive element with two ends and an electrically conductive wiper that moves along the resistive element, and two diodes. The wiper rotates with the output gear to provide a signal indicative of the rotational position of the output gear. The anodes of the two diodes are both electrically connected to one end of the resistive element, and the cathodes of the two diodes are electrically connected to the two terminals of the motor respectively. | 2014-12-11 |
20140361668 | PULL-OUT BLOCKING DEVICE WITH PIVOTABLE SUPPORT ELEMENTS AND SPACER ELEMENTS - A pull-out blocking device for furniture parts that can be pushed into or pulled out of a basic furniture structure, the pull-out blocking device having a guide rail and a sequence of support elements mounted on the guide rail displaceable in the longitudinal direction, and at least one intermediate element arranged between two of the support elements. Each support element has an upper supporting surface for abutment against a support element arranged adjacently above, a lower supporting surface for abutment against a support element arranged adjacently below and a further supporting surface for abutment against the support element arranged adjacently above or below. Each support element is pivotably arranged on the guide element for movement between the blocking and releasing positions, and all the supporting surfaces are arranged outside the guide element. The intermediate element's longitudinal extent is a multiple of a longitudinal extent of one of the support elements. | 2014-12-11 |
20140361669 | MODULAR STRUCTURAL STIFFENERS - A housing for a personal electronic device is described herein. The housing may include at least structural member configured to be arranged within an internal cavity of the housing. The at least structural member is aligned with a feature external to the housing. The at least one structural member is affixed to an interior surface of the internal cavity. Furthermore, the at least structural member and housing are co-machined to define a coaxial aperture for accepting the feature. | 2014-12-11 |
20140361670 | METHOD AND APPARATUS FOR FORMING A GOLD METAL MATRIX COMPOSITE - A metal matrix composite using as one of the components a precious metal is described. In one embodiment, the precious metal takes the form of gold and the metal matrix composite has a gold mass fraction in accordance with 18 k. The metal matrix composite can be formed by blending a precious metal (e.g., gold) powder and a ceramic powder, forming a mixture that is then compressed within a die having a near net shape of the metal matrix composite. The compressed mixture in the die is then heated to sinter the precious metal and ceramic powder. Other techniques for forming the precious metal matrix composite using HIP, and a diamond powder are also disclosed. | 2014-12-11 |
20140361671 | COMPUTER INTERNAL ARCHITECTURE - An internal component and external interface arrangement for a cylindrical compact computing system is described that includes at least a structural heat sink having triangular shape disposed within a cylindrical volume defined by a cylindrical housing. A computing engine having a generally triangular shape is described having internal components that include a graphics processing unit (GPU) board, a central processing unit (CPU) board, an input/output (I/O) interface board, an interconnect board, and a power supply unit (PSU). | 2014-12-11 |
20140361672 | COMPUTER HOUSING - A desktop computing system having at least a central core surrounded by housing having a shape that defines a volume in which the central core resides is described. The housing includes a first opening and a second opening axially displaced from the first opening. The first opening having a size and shape in accordance with an amount of airflow used as a heat transfer medium for cooling internal components, the second opening defined by a lip that engages a portion of the airflow in such a way that at least some of the heat transferred to the air flow from the internal components is passed to the housing. | 2014-12-11 |
20140361673 | Guide for Sliding Doors - A guide device for sliding doors for shelves has at least one guide rail, each guide rail have a guide region for guiding sliding doors and at least one fastening region connected to the guide region for fastening the guide device to shelves. The guide regions in their cooperation form a guide arrangement and all the fastening regions in their cooperation form a fastening arrangement. In order to provide a guide device which can be used universally and which can be fastened subsequently to shelves, the fastening arrangement is disposed relative to the guide arrangement in the installed position in such a manner that the guide arrangement is accessible from below and above for sliding doors and at least partially covers vertical surfaces of the shelves. | 2014-12-11 |
20140361674 | Housing Construction Kit for Electrical Equipment, in Particular Including Plug Devices and Fuses - A housing construction kit that includes at least one plug device and/or one fuse. The kit contains a housing base body with numerous installation openings and numerous installation plates. A first coding means is formed on each opening and a second coding means is formed on each plate. Every first coding means of an opening has a unique first coding and every second coding means of a plate has a unique second coding. Every second coding means of a plate is designed to be complementary to at most one first coding means of an opening and every second coding means of a plate is designed to be complementary to a first coding means of another opening as every second coding means of a plate, which is designed to be suitable for assembly of at least one plug device. | 2014-12-11 |
20140361675 | LIGHT SOURCE DEVICE AND FILAMENT - A light source device comprising a filament showing high electric power-to-visible light conversion efficiency is provided. A light source device comprising a translucent gastight container, a filament disposed in the translucent gastight container, and a lead wire for supplying an electric current to the filament is provided. The filament comprises a substrate formed with a metal material and a white scatterer layer covering the substrate. To the white scatterer layer, a visible light-absorbing material that absorbs lights of visible region is added. The reflectance of the filament for visible lights is thereby made low, and the reflectance of the filament for infrared lights is thereby made high. Therefore, radiation of infrared lights is suppressed, and visible luminous efficiency can be enhanced. | 2014-12-11 |
20140361676 | SPARK PLUG - A ground electrode includes a main body portion and a projecting portion having a width smaller than a width of the main body portion. A spark discharge gap is formed between a discharging surface of the projecting portion and a front end surface of a center electrode. When the front end surface and the ground electrode are projected on a first plane, at least a part of the projection region of the projecting portion overlaps the projection region of the front end surface. A width Le (mm), a width Lc (mm), a cross-sectional area Sg (mm | 2014-12-11 |
20140361677 | SPARK PLUG FOR INTERNAL COMBUSTION ENGINE - A spark plug for an internal combustion engine includes a center electrode, a tubular insulator, a tubular metal shell, a ground electrode and an overvoltage preventer. The insulator has the center electrode inserted and held therein. The metal shell has the insulator inserted and held therein such that a proximal part of the insulator is exposed from the metal shell. The ground electrode is joined to a distal end of the metal shell and faces the center electrode through a spark gap formed between the center and ground electrodes. The overvoltage preventer prevents a voltage higher than or equal to a threshold voltage from being applied across the spark gap. The overvoltage preventer is arranged in the proximal part of the insulator so as to be positioned outside the metal shell and farther than the metal shell from the spark gap. | 2014-12-11 |
20140361678 | SPARK PLUG FOR INTERNAL-COMBUSTION ENGINE - A spark plug for an internal-combustion engine. The spark plug includes a central electrode, an insulator that holds the central electrode inside, a housing that holds the insulator inside, a ground electrode that forms a spark gap with the central electrode. The ground electrode includes a ground base member connected to the housing, and a ground protrusion protruding from a confronting face of the ground base member confronting the central electrode. The ground protrusion has a diameter of 0.9 to 1.4 mm. The spark plug is configured to satisfy θ≧−53 R+49, where R[mm] is a curvature radius of a base member corner and θ[degrees] is an angle formed by a shortest connecting line between the base member corner and a protrusion corner and a plane perpendicular to an axial direction of the ground protrusion. | 2014-12-11 |
20140361679 | SPARK PLUG FOR INTERNAL COMBUSTION ENGINE AND METHOD OF MANUFACTURING THE SAME - In a spark plug, a center electrode includes a base member and a discharge chip that has a higher melting point than the base member. The base member and the discharge chip are joined to each other by both a weld and a diffusion layer. The weld is formed, by fusion welding, along an outer periphery of an interface between the base member and the discharge chip into an annular shape. The weld is made up of those parts of the base member and the discharge chip which are molten and mixed together during the fusion welding and solidified after the fusion welding. The diffusion layer is formed radially inside the annular weld. The diffusion layer is made up of those parts of the base member and the discharge chip which are diffused into each other across the interface between the base member and the discharge chip. | 2014-12-11 |
20140361680 | LIGHTING SYSTEM USING DISPERSED FLUORESCENCE - A system for generating light using a blue or ultraviolet light emitter as excitation source for dispersed fluorescent material is disclosed. A light transmissive dispersant, which may colloidally suspend or chemically dissolve a fluorescent material, acts to distribute the fluorescent material over a spatial region. The combination of primary and secondary light emission results in a broader light spectrum than the primary emitter alone would produce. Extending the light transmissive dispersant medium containing fluorescent material over a spatial region spanning beyond point sources will minimize or eliminate bright spots, which might otherwise result from point sources. Use of a liquid dispersant may result in convective cooling of the emission sources. | 2014-12-11 |
20140361681 | RED-EMITTING NITRIDE-BASED PHOSPHORS - A red-emitting phosphor comprises a nitride-based composition represented by the chemical formula M | 2014-12-11 |
20140361682 | LIGHT-EMITTING DISPLAY DEVICE AND METHOD OF FABRICATING THE SAME - In an aspect, a light-emitting display device and a method of fabricating the same is provided. The light-emitting display device includes a display substrate which comprises a pixel region and a non-pixel region; an encapsulation member which is disposed above the display substrate; and a destructive interference unit. | 2014-12-11 |
20140361683 | Electrostatic Suppression of Ion Feedback in a Microchannel Plate Photomultiplier - A photomultiplier tube having an ion suppression electrode positioned between a photocathode and an electron multiplying device in the photomultiplier tube is disclosed. The ion suppression electrode includes a grid that is configured to provide sufficient rigidity to avoid deformation during operation of the photomultiplier tube. The photomultiplier tube also includes a source of electric potential connected to the electron multiplying device and to the ion suppression electrode to provide a first voltage to the second electrode and a second voltage to the suppression grid electrode wherein the second voltage has a magnitude equal to or greater than the magnitude of the first voltage. A method of making the photomultiplier and a method of using it are also disclosed. | 2014-12-11 |
20140361684 | MICROWAVE EMISSION MECHANISM, MICROWAVE PLASMA SOURCE AND SURFACE WAVE PLASMA PROCESSING APPARATUS - A microwave emission mechanism includes: a transmission path through which a microwave is transmitted; and an antenna section that emits into a chamber the microwave transmitted through the transmission path. The antenna section includes an antenna having a slot through which the microwave is emitted, a dielectric member through which the microwave emitted from the antenna is transmitted and a closed circuit in which a surface current and a displacement current flow. A surface wave is formed in a surface of the dielectric member. The closed circuit has at least: an inner wall of the slot; and the surface and an inner portion of the dielectric member. When a wavelength of the microwave is λ | 2014-12-11 |
20140361685 | VEHICULAR HEADLAMP - An object of the present disclosure is to reduce a failure rate due to a prolonged life span of a cooling fan while maintaining a satisfactory heat dissipating performance When a signal indicating a first light-up state is input, a control unit sets a current value of an output current to a predetermined value such that a cooling fan is rotated at a predetermined rotation speed, and when a signal indicating a second light-up state is input, the control unit lowers the current value of the output current to a value lower than the predetermined value such that the rotation speed of the cooling fan is lower than the predetermined rotation speed. Therefore, the life span of the cooling fan may be prolonged while maintaining the satisfactory heat dissipating performance. | 2014-12-11 |
20140361686 | LIGHT COMPONENT COORDINATION - A light coordination system for coordinating the operation of multiple lights systems/devices in multiple public safety vehicles is provided. The system includes a detection component that detects at least one vehicle and/or at least one light device on the at least one vehicle, a mode component in communication with the detection component that changes an operating mode of the system based on information from the detection component, an analysis component in communication with the mode component and the detection component that generates a light coordination scheme based on information from the detection component and the mode component, and an implementation component that implements the light coordination scheme. | 2014-12-11 |
20140361687 | ADAPTIVE SHUNT FOR PULSING BRAKE LIGHT - An electronics device is configured for installation in the brake light circuitry of a vehicle braking system. The electronics device is particularly configured to provide a flashing or pulsing appearance for a brake light, such as an automobile CHMSL. The pulsing is accomplished in a precise manner and that provides additional operational safety features than standard automotive brake lights. The electronics device is configured to avoid over-triggering of the pulsating lights due to multiple application of the automobile's brakes in a short time frame. The electronics device is further configured to function correctly even if the automobile is equipped with sophisticated computer systems that analyze the brake light circuitry, and is configured to avoid detection as a problem by the vehicle's diagnostic systems. At the same time, the electronics device will still allow the vehicle's diagnostic scans to detect any actual problems with the brake light system without hindrance. | 2014-12-11 |
20140361688 | BATTERY BACKUP MOTION SENSING LIGHTING DEVICE - In embodiments of the present invention improved capabilities are described for autonomous shifting of at least a portion of a lighting load off an energy distribution grid, comprising electrically connecting a lighting device to the energy distribution grid; causing the lighting device to interpret information obtained from an information source proximate the lighting device; and causing the lighting device to select from at least two different power sources based on the interpretation, where selecting may include a sharing of the load between the two different power sources, and where one power source may be the energy distribution grid. | 2014-12-11 |
20140361689 | Apparatus for generating thermodynamically cold microwave plasma - The invention relates to an apparatus for generating a thermodynamically cold plasma under standard atmospheric conditions by injecting microwave radiation at a frequency of >3 GHz into a plasma chamber ( | 2014-12-11 |
20140361690 | PLASMA PROCESSING APPARATUS - In a capacitively coupled plasma processing apparatus, a susceptor (lower electrode) | 2014-12-11 |
20140361691 | LIGHTING SYSTEM - A lighting system includes a switch configured so that when the switch is in a first state, current from a supply flows to a light emitter, and when the switch is in a second state, current from the supply flows through the switch bypassing the light emitter. A capacitor in parallel with the light emitter provides current to the light emitter sufficient to cause the light emitter to emit light when the switch is in the second state. | 2014-12-11 |
20140361692 | ADJUSTABLE THREE-STAGE LIGHT EMITTING DIODE BULB - A three-stage power adjustable Light Emitting Diode bulb includes a first resistance and a second resistance which is electrically connected to the first resistance in parallel. The first resistance and the second resistance are connected to a rectifier. Multiple Light Emitting Diode units and a limiting resistance are connected between the positive and negative poles of the rectifier. The Light Emitting Diode units each have multiple Light Emitting Diodes. The electric energy consumption of the Light Emitting Diode bulb is reduced and the life of use of the Light Emitting Diode bulb is prolonged. The resistance value of the first and second resistance can be adjusted to have different luminous powers. | 2014-12-11 |
20140361693 | LIGHTING MODULE AND CORRESPONDING LIGHTING SYSTEM - A lighting module may include at least one light source, and an identification element that identifies the supply current required by the light source, wherein the identification element includes a first terminal and a second terminal for connection to an electronic converter. | 2014-12-11 |
20140361694 | Circuit and Method for Current-Based Analog Dimming of Light Emitting Diode Illuminators, with Improved Performance at Low Current Levels - By diverting a small amount of current from a string of LED(s) powered by a LED driver at low current levels in a process of dimming the LED string, performance of the LED string light emission is improved. | 2014-12-11 |
20140361695 | LED LIGHTING DEVICE - The purpose of the invention is to obtain, with a simple circuit configuration, an LED illumination device having an LED column driven by a pulsating voltage, capable of lighting with little flicker, and also having lighting control capability. The LED illumination device ( | 2014-12-11 |
20140361696 | LIGHTING SYSTEMS WITH UNIFORM LED BRIGHTNESS - Solid state lighting systems are disclosed for providing uniform brightness of LEDs serially connected in a string. In some embodiments, the LEDs can be powered directly from the mains such that no switch-mode power supply or the output storage elements associated therewith are needed. In some such cases, a linear regulator and switches can be used to control the current through the LEDs to provide uniform brightness. Other embodiments can be used with a switch-mode based driver topology and/or storage elements coupled in parallel with clusters of the LEDs. In any such cases, control logic (e.g., microcontroller or other suitable controller) can be used to control the switches accordingly to provide uniform brightness, and in some cases, to mitigate the implications of having no SMPS output storage element. In some embodiments, the switching pattern provided by the control logic is random, although other switching patterns can be used. | 2014-12-11 |
20140361697 | COLOR TEMPERATURE CONTROLLED AND LOW THD LED LIGHTING DEVICES AND SYSTEMS AND METHODS OF DRIVING THE SAME - The purposes of the devices described herein are to provide an LED lighting device capable of efficiently and economically emitting light having a selectable color temperature or a warm-on-dim feature when driven with AC power and to provide LED lighting devices which have an improved power factor and a reduced total harmonic distortion when powered with AC power. | 2014-12-11 |
20140361698 | LED CONVERTER INCLUDING A RESONANT CONVERTOR - The invention relates to an LED converter for operating a load comprising at least one LED series that includes at least one LED, preferably multiple LEDs. On the primary side, the LED converter comprises a resonant converter supplied with a direct current voltage. The resonant converter has a half-bridge that is constructed of two reciprocally clocked switches and that provides a supply voltage for the LED series through a serial/parallel resonance circuit connected to the midpoint of said half-bridge. To regulate the power transferred by the LED converter to the LED series as a feedback factor in each switch-on cycle, a control unit is designed to directly or indirectly determine a peak value of the feedback factor through the lower-potential switch of the half-bridge and to adjust the clocking of the half-bridge, i.e. the frequency and/or the duty factor, as a control factor. | 2014-12-11 |
20140361699 | LED CONTROL CIRCUITS AND METHODS - An LED controller is disclosed herein. An embodiment of the controller includes a first input connectable to a power source and an output connectable to at least one light-emitting diode (LED). A power factor correction circuit is coupled between the first input and the output, wherein the power factor correction circuit operates in a first state when the power factor is corrected and wherein the power factor correction circuit operates in a second state when the power factor is not corrected. The power factor correction circuit is in the first state when no dimming of the LED is sensed, and the power factor correction circuit is in the second state when dimming of the LED is sensed. | 2014-12-11 |
20140361700 | POWER SUPPLY FOR A FIELD EMISSION LIGHT SOURCE - The present invention relates to a power supply for a field emission light source. The novel power supply allows for a reduction in size as well as allowing for improvements relating to power factor and efficiency. The size reduction further allows the power supply to efficiently be integrated together with the field emission light source forming a lighting device. | 2014-12-11 |
20140361701 | SECONDARY SIDE PHASE-CUT DIMMING ANGLE DETECTION - Phase angle detection techniques for phase-cut dimming lighting circuitry are disclosed. A phase-cut lighting driver circuit may include galvanic isolation circuitry having a primary and secondary side. The phase angle information of a phase-cut signal may be detected on the secondary side of the driver circuitry, and a microcontroller can create a dimming signal that adjusts the driver output power according to the phase angle information. In some embodiments, the phase angle detection techniques may be utilized to control the output of lighting driver circuitry, such as a phase-cut dimming LED driver. | 2014-12-11 |
20140361702 | HIGH EFFICIENCY LED DRIVER AND DRIVING METHOD THEREOF - The present invention relates to a high efficiency LED driver and driving method thereof. In one embodiment, a high efficiency LED driving method configured for a LED device can include: (i) receiving a DC bus voltage and generating a driving voltage for the LED device through a power switch; (ii) comparing the DC bus voltage against a sum of the driving voltage and a first reference voltage; (iii) where when the DC bus voltage is greater than the sum of the driving voltage and the first reference voltage, generating a first output current; (iv) where when the DC bus voltage is greater than the driving voltage and less than the sum of the driving voltage and the first reference voltage, generating a second output current; and (v) matching an average current of the first output current and the second output current with a corresponding driving current. | 2014-12-11 |
20140361703 | LED LIGHTING CONVERTER - A method and apparatus for light emitting diode (LED) lighting power conversion including a full bridge rectifier circuit coupled to a first half-bridge rectifier circuit and a resonant tank circuit supplying AC power to a LED circuit and forming a first port to the LED circuit. The apparatus further includes a second half-bridge rectifier circuit and energy storage device receiving and supplying DC power to the LED circuit as determined by a controller to form a second port of the LED circuit, wherein the LED circuit further comprises a rectifier circuit for the LED circuit, and at least one LED. | 2014-12-11 |
20140361704 | CIRCUIT ARRANGEMENT AND METHOD FOR OPERATING AND DIMMING AT LEAST ONE LED - A circuit arrangement includes a converter having a converter switch and a driver for the converter switch. The driver includes an interface coupling to a dimming apparatus supplying a dimming value. The driver provides an RF signal with a duty ratio at the output of the driver. The driver modifies the RF signal by superposition of a PWM signal such that, in correlation with the supplied dimming value, a predefinable number of periods of the RF signal is chopped from the RF signal. The driver is configured to reduce the duty ratio of the RF signal during at least one predefinable period of the RF signal in order to adjust levels of dimming which correspond to dimming values which are between a first and a second dimming value which differ from one another by at least one period of the RF signal. | 2014-12-11 |
20140361705 | Leading-Edge Phase-Cut Dimmer Detector - Circuits and methods for detecting the presence of a leading-edge phase-cut dimmer. The dimmer detector comprises an edge detector, a pulse stretcher and a filter. The edge detector detects whether an input signal has a rapidly rising edge and generates an output signal pulse if a rapidly rising edge is detected. If the edge detector outputs a signal pulse, the pulse stretcher generates a stretched pulse having a duration that is longer than the signal pulse received from the edge detector. The filter produces a dimmer detect signal that indicates whether a leading-edge phase-cut dimmer is detected. If the pulse stretcher output signal comprises at least a predetermined number of stretched pulses within a predetermined amount of time, the dimmer signal signals the presence of a leading-edge phase-cut dimmer. | 2014-12-11 |
20140361706 | Slew Rate Controlled Transistor Driver - A gate driver circuit providing a slew-rate controlled gate control signal while minimizing the stretching of the gate control signal relative to the input control pulse. Control logic effects two threshold voltage levels. When the gate control signal is between the two threshold voltage levels, the slew rate of the gate control signal is controlled such that the gate of the transistor being driven is driven softly. When the gate control signal is less than the first threshold voltage level or greater than the second threshold voltage level, the gate of the transistor being driven is driven hard. In one embodiment, the first and second threshold voltage levels are set such that the on/off threshold of the transistor being driven is between the two threshold voltage levels. Thus the slew rate of the gate control signal is controlled such that the gate of the transistor being driven is driven softly when the transistor being driven is transitioning from off to on, or from on to off, thereby minimizing harmonics. At all other times, the gate control signal rises and falls rapidly so as to minimize the stretching of the gate control signal relative to the input control pulse. | 2014-12-11 |
20140361707 | METHOD AND CIRCUIT ARRANGEMENT FOR OPERATING LIGHT-EMITTING MEANS WITH A SUDDEN LOAD VARIATION - An operating circuit for light-emitting means ( | 2014-12-11 |
20140361708 | SYSTEM AND DRIVING METHOD FOR LIGHT EMITTING DEVICE DISPLAY - A light emitting device display, its pixel circuit and its driving technique is provided. The pixel includes a light emitting device and a plurality of transistors. A bias current and programming voltage data are provided to the pixel circuit in accordance with a driving scheme so that the current through the driving transistor to the light emitting device is adjusted. | 2014-12-11 |
20140361709 | Topology of distributing and connecting LEDs in a large area matrix - A LED circuit comprises an array of LEDs is arranged in a matrix. The matrix is connected to at least three power rail lines. The LEDs are formed as a first LED arrangement ( | 2014-12-11 |
20140361710 | LIGHTING SYSTEM - The invention relates to a lighting system comprising:—a substrate comprising a resistive sheet (RS) comprising multiple electrodes (A, B, C, D), each electrode being suitable for connection to a respective voltage source,—a plurality of lighting elements (LEI, LE | 2014-12-11 |
20140361711 | LIGHT-EMITTING CIRCUIT, LIGHT-EMITTING MODULE, AND ILLUMINATION DEVICE - An LED module receives current supplied from a variable current source. The LED module includes a first LED that is connected to a variable current source, a bipolar transistor that is series-connected to the first LED and has a resistance that varies depending on magnitude of the current I | 2014-12-11 |
20140361712 | SYSTEMS AND METHODS FOR PROVIDING COLOR MANAGEMENT CONTROL IN A LIGHTING PANEL - Provided are systems and methods for providing a stabilized color management system in a solid state lighting panel. Methods according to some embodiments include receiving, in the microcontroller, a color management reference value corresponding to a color characteristic of the solid state lighting panel and adjusting a control mode of the microcontroller responsive to the color management reference value. | 2014-12-11 |
20140361713 | PULSE WIDTH MODULATION CONTROL OF SOLENOID MOTOR - A drive mechanism configured to drive a thermally isolated actuator between two positions. The drive mechanism includes a rotary actuated motor configured to rotatably drive a motor member, and a drive member coupled to the motor member and having a drive arm configured to responsively move from a first position to a second position upon rotation of the motor member. An actuator is responsive to movement of the drive arm moved from the first position to the second position. A drive circuit is configured to generate a pulse width modulated (PWM) drive signal configured to controllably drive the motor, the PWM drive signal having a first duty cycle configured to advance the drive arm from the first position, and having a second duty cycle different than the first duty cycle as the drive arm approaches the second position. The drive signal may be removed before the drive arm engages a hard stop. The drive mechanism may comprise at least one sensor configured to determine a position of the drive arm proximate the first position and proximate the second position. The actuator is thermally isolated from the drive arm in both the first position and the second position. | 2014-12-11 |
20140361714 | LINEAR VIBRATION MODULES AND LINEAR-RESONANT VIBRATION MODULES - The current application is directed to various types of linear vibrational modules, including linear-resonant vibration modules, that can be incorporated in a wide variety of appliances, devices, and systems to provide vibrational forces. The vibrational forces are produced by linear oscillation of a weight or member, in turn produced by rapidly alternating the polarity of one or more driving electromagnets. Feedback control is used to maintain the vibrational frequency of linear-resonant vibration module at or near the resonant frequency for the linear-resonant vibration module. Both linear vibration modules and linear-resonant vibration modules can be designed to produce vibrational amplitude/frequency combinations throughout a large region of amplitude/frequency space. | 2014-12-11 |
20140361715 | CONTROL DEVICE, DRIVING DEVICE, AND IMAGE FORMING APPARATUS - A control device includes a motor driving unit that supplies electric power to a motor according to a magnetic-pole-phase signal output from the motor; and a rotational-position detecting unit that converts the magnetic-pole-phase signal into a rotational-position detection signal and outputs the rotational-position detection signal. The rotational-position detection signal indicates a rotation amount and a rotation direction of an output shaft of the motor and has a higher resolution than the magnetic-pole-phase signal. | 2014-12-11 |