Abstract: A serial axial fan includes first and second axial fans. The first axial fan preferably includes a first motor portion, a first impeller, and a first housing. The second axial fan preferably includes a second motor portion, a second impeller, and a second housing. In the first impeller, an angle defined by a rotational plane of the first impeller with a chord of each blade of the first impeller on an imaginary cylindrical surface centered about a central axis increases as the radius of the imaginary cylindrical surface increases.
Abstract: An image scanning device includes a scanning specifying unit, at least two document detecting units, a supply timing adjusting unit, and a document supplying unit. The scanning specifying unit specifies one of at least two scanning methods each having a different transportation interval between documents. The document detecting units are at least two in number and arranged to detect a document at different positions on a transportation route. The supply timing adjusting unit is arranged to measure a transportation distance of the document after detection by the document detecting units and to generate a supply signal. The document supplying unit is arranged to supply a document from a paper feed tray based on the supply signal. The supply timing adjusting unit is arranged to generate the supply signal based on a result of detection by the document detecting unit that corresponds to the specified scanning method.
Abstract: A motor includes a shaft, a rotor, a stator, and a housing. The stator preferably includes a core including a plurality of teeth, a plurality of coils, and electrically insulating tubes. The core is defined by a combination of a plurality of unit cores each of which has a separate one of the teeth. The plurality of coils include two or more continuous coils defined by a single line of a conductor wire. Each of the electrically insulating tubes is arranged to cover at least a portion of the conductor wire which passes between the continuous coils.
Abstract: A liquid crystal display device (100) of the present invention includes: a liquid crystal panel (20) including: an active matrix substrate (21); a counter substrate (22); and a liquid crystal layer (23) provided between the active matrix substrate (21) and the counter substrate (22); and a backlight (10) illuminating the liquid crystal panel. The liquid crystal display device (100) has an area sensor function for detecting an external input position, and further includes a reflectance changing section (50) that reduces a reflectance of light from the backlight (10) in response to application of pressure on a panel surface (100a). The reflectance changing section (50) is configured so that in a state where no pressure is applied on the panel surface (100a), an air layer (50c) is formed between two elastic films (50a and 50b) whereas in a state where pressure is applied on the panel surface (100a), the two elastic films (50a and 50b) contact each other.
Abstract: An apparatus for generating an ambient signal from an audio signal includes a compressor for lossy compression of a representation of the audio signal so as to obtain a compressed representation of the audio signal describing a compressed audio signal. The apparatus for generating the ambient signal further includes a calculator for calculating a difference between the compressed representation of the audio signal and the representation of the audio signal so as to obtain a discrimination representation. The apparatus further includes a provider for providing the ambient signal using the discrimination representation. An apparatus for deriving a multi-channel audio signal from an audio signal includes an apparatus for generating an ambient signal from an audio signal, an apparatus for providing the audio signal as a front-loudspeaker signal and an apparatus for providing the ambient signal as a back-loudspeaker signal.
October 23, 2007
Date of Patent:
January 1, 2013
Fraunhofer-Gesellschaft zur Foerderung der Angewandten Forschung e.V.
Christian Uhle, Juergen Herre, Andreas Walther, Oliver Hellmuth, Christiaan Janssen
Abstract: A wireless IC module that can function as a component of an RFID system even when mounted on a metal article includes a loop-shaped electrode that is constructed such that a plane of a loop of the loop-shaped electrode is substantially perpendicular to the mounting surface of a wireless IC module. The loop-shaped electrode functions as a magnetic field antenna and is electromagnetically coupled with a metal article so that the surface of the metal article functions as a radiator antenna.
Abstract: A vibrating gyroscope includes two input buffers each arranged to input voltage signals appearing at respective detection electrodes of one of two piezoelectric vibrators. An adding circuit adds up output voltages of the respective input buffers. An amplitude control circuit automatically controls a loop gain such that an output voltage of the adding circuit has a substantially constant amplitude. A phase-shift circuit controls the phase of a drive voltage supplied to the piezoelectric vibrators such that the piezoelectric vibrators oscillate by positive feedback. Two differential amplifier circuits each amplify a voltage difference corresponding to an angular velocity about an axis. Two synchronous detection circuits each perform detection using a synchronizing signal generated from an oscillation signal, and detect a voltage signal corresponding to the angular velocity.
Abstract: An active matrix substrate includes: a plurality of pixel electrodes arranged in a matrix pattern and each forming a pixel; a plurality of gate lines each provided between the corresponding pixel electrodes and extending in parallel with each other; a plurality of first source lines each provided between the corresponding pixel electrodes and extending in a direction crossing an extending direction of the gate lines; a plurality of TFTs provided corresponding to the respective pixel electrodes and connected to the respective pixel electrodes, the respective gate lines, and the respective first source lines; a plurality of capacitor lines each provided between the corresponding gate lines and extending in parallel with each other; and a plurality of second source lines each provided between the corresponding pixel electrodes and extending in parallel with the first source lines.
Abstract: Regarding a boundary acoustic wave device in which at least a part of an IDT electrode is embedded in a groove disposed in a piezoelectric substrate, the acoustic velocity is increased. A boundary acoustic wave device is provided with a piezoelectric substrate, a first dielectric layer, and an IDT electrode. The surface of the piezoelectric substrate is provided with a groove. The IDT electrode is disposed at the boundary between the piezoelectric substrate and the first dielectric layer in such a way that at least a part thereof is located in the groove. In the inside of the groove, the groove angle ?, which is the size of an angle formed by an upper end portion of the inside surface of the groove with the surface of the piezoelectric substrate, is less than 90 degrees.
Abstract: A display panel includes a plurality of display lines provided in each of blocks and extending in parallel with each other, a plurality of drive circuits provided outside a display region and connected to the display lines in the respective blocks, a plurality of first lines provided outside the display region and intersecting end portions closer to the drive circuits of the display lines in the respective blocks, the first lines being insulated from the display lines, and a second line provided outside the display region and intersecting end portions farther from the drive circuits of the display lines of all the blocks, the second line being insulated from the display lines. The second line is configured to intersect the first lines while being insulated from the first lines, and be supplied with a display signal from each of the drive circuits via an amplifier circuit.
Abstract: A fluorescent tube (LP1) and a fluorescent tube (LP2) in a liquid crystal display device (79) emit light when the tubes are positioned at turning angles within a prescribed range to a hold pedestal (59). A fluorescent tube (LP3) and a fluorescent tube (LP4) also emit light when the tubes are positioned at prescribed turning angles within the prescribed range to the hold pedestal (59).
Abstract: A backlight includes a spot-shaped light source and a light guide unit including a light guide arranged to diffuse and surface-emit light from the light source. The light guide unit includes a substrate to dispose and fixate the light source and the light guide. Protruding sections are provided on an incident surface of the light guide upon which light from the light source is incident, so as to protrude in a direction opposite to an incident direction of the light from the light source. Further, the light guide is fixedly disposed on the substrate by connecting the protruding sections to the substrate. As a result, with the illumination device including the light source and the light guide, it is possible to achieve an illumination device with a higher light use efficiency and higher luminance homogeneity.
Abstract: An electronic component achieves reduced variations in the mounting positions of elements even with variations in the size of solder bumps and easily supports finer pitches of the bumps. The electronic component includes a common substrate, at least two elements mounted on a first main surface of the common substrate, a conductive pattern provided on the first main surface of the common substrate so as to extend in a direction along which the at least two elements are disposed adjacent to each other and including a plurality of lands arranged at positions corresponding to terminals of the elements insulating films provided at least on the conductive pattern so as to be spaced apart from both side edges of the lands in a direction perpendicular or substantially perpendicular to a land extending direction and adjacent to both ends of the lands in the land extending direction, and solder bumps that are disposed on the lands and are arranged to connect the lands and the terminals of the elements.
Abstract: A liquid radiation curable composition for inkjet printing includes a photoinitiating system consisting of one or more diffusion hindered photoinitiators selected from the group consisting of non-polymeric di- or multifunctional initiators, oligomeric or polymeric initiators, and polymerizable initiators, and one or more polymerizable co-initiators, wherein at least one of the polymerizable co-initiators is a polymerizable aromatic tertiary amine. Inkjet inks, an inkjet printing process, and packaging materials may include the liquid radiation curable composition.
Abstract: A lighting device 12 of the present invention includes a light output portion 15z from which light is output, a light source 17, and an optical member 15b provided on the light output portion 15z side with respect to the light source 17. The optical member 15b is held by a pair of holding members. The holding members include a first holding member 15a that holds the optical member 15b from the light source 17 side and a second holding member 16 that holds the optical member 15b from an opposite side from the light source 17 side. A buffer 70 is provided in at least one of a space between the optical member 15b and the first holding member 15a and a space between the optical member 15b and the second holding member 16. The buffer 70 has at least one rough surface on a side that abuts the optical member 15b.
Abstract: The present invention relates to a lighting device including a plurality of light source units U including at least LEDs 16 and light guide plates 18. The light source units U are arranged in one direction such that gaps S are provided between the adjacent light guide plates 18. Each light guide plate 18 has a first light exit surface 36A. The light guide plate 18 receives light from the LED 16. Light L1 exits from the first light exit surface 36A. A diffuser 15b that receives the light L1 from the first light exit surface 36A is disposed so as to face the first light exit surface 36A. Reflection sheets 24 that reflect light are disposed on an opposite side from the diffuser 15b so as to cover the gaps S. Each light guide plate 18 has a second light exit surface 36B in an edge portion that faces the gap S on the opposite side from the diffuser 15b.
Abstract: To provide a wavelength conversion member having good surface accuracy and dimensional accuracy even when processed in various shapes, and a method for manufacturing the same. A method for manufacturing a wavelength conversion member, including the steps of: subjecting a preform made of a powder mixture containing a glass powder and an inorganic phosphor powder to heat treatment, thereby obtaining a sintered powder product; and re-press molding the sintered powder product with a die.
Abstract: A backlight (illumination device) of this invention includes a plurality of light source units (12) each including (i) at least one light source (5) and (ii) a light guide body (7) for surface-emitting light which has come from the at least one light source. In the light source unit (12), the light source is disposed at one end portion of the light guide body (7), and another end portion of the light guide body (7), opposite to the one end portion, has a thickness from 0.05 mm to 0.15 mm. As a result, it is possible to further improve luminance uniformity in an illumination device including a plurality of light guide bodies.
Abstract: An outboard motor includes an engine, an engine cover, a partitioning member, an intake device, and a fan. The engine is arranged to support a crankshaft extending along an up-down direction. The partitioning member is arranged to partition the inside of the engine cover into a lower chamber accommodating the engine and an upper chamber. In the partitioning member, a communication hole which is arranged to cause the upper chamber to communicate with the lower chamber is provided. Also, the engine cover has an air inlet arranged to cause the upper chamber to communicate with the atmosphere, and an air outlet arranged to cause the lower chamber to communicate with the atmosphere. The air inlet is arranged in an upper portion of the engine cover. The air outlet is arranged at a lower end portion of the engine cover. The intake device is connected to the engine. The intake device has an air suction port arranged to communicate with the upper chamber. The fan is arranged inside the engine cover.
Abstract: A boat propelling system capable of determining operation accuracy of a transmission mechanism includes an outboard engine main body, a swivel bracket arranged to allow the outboard engine main body to pivot in a right-left direction with respect to a hull, an electric motor provided in the swivel bracket to pivot the outboard engine main body in the right-left direction, a pivot sensor provided in the electric motor to detect a pivot angle of a motor shaft, a transmission mechanism provided in the swivel bracket to transmit a driving force of the electric motor to the outboard engine main body, a pivot sensor arranged to detect an actual pivot angle of the outboard engine main body, and an Electronic Control Unit arranged and programmed to control an operation of the boat propelling system.