Abstract: A disk device includes a drive mechanism having at least a disk motor and an optical head, the disk motor rotating a recording disk, and the optical head accessing the disk to reproduce information from the disk and/or record information in the disk. A first printed circuit board controls the disk motor and the optical head of the drive mechanism, the first printed circuit board receiving signals from the optical head and/or sending signals to the optical head to perform the reproducing of information and/or the recording of information. The disk device further comprises a second printed circuit board electrically coupling the drive mechanism to the first printed circuit board, the second printed circuit board including a connector coupled to wire patterns of the signals received and/or sent by the first printed circuit board, and the connector being coupled to the first printed circuit board.

Abstract: A video signal of the non-interlaced scanning type is converted into a video signal of the interlaced scanning type by alternately selecting odd-number horizontal scanning line signals or even-number horizontal scanning line signals in synchronism with the start timing of each field period. The polarity of the video signal is inverted every vertical scanning period. During a first vertical scanning period, the odd-number video signal is written to respective sets of two neighboring line scanning electrodes (G1, G2), (G3, G4), (G5, G6), - - - . During a second vertical scanning period, the even-number video signal is written to another sets of two neighboring line scanning electrodes (G2, G3), (G4, G5), (G6, G7), - - - . The time axis of each horizontal scanning period is doubled. The drive frequency of a row signal electrode drive circuit is halved.

Abstract: A recording and reproducing apparatus has a rotary drum on which at least two rotary magnetic heads are mounted with 180 degree-symmetry to a center shaft of the drum. One of the magnetic heads has a magnetic gap set with an azimuth angle of 90 degrees or less in a clockwise direction to a track width direction on a magnetic tape. The other magnetic head has a magnetic gap set with an azimuth angle of 90 degrees or less in a clockwise direction to the track width direction.

Abstract: In a device for storage and dispensing of equally shaped discs or disc-shaped elements mounted in one or more piles having a center bore and contained in a housing or frame in which threaded spindles are positioned (parallel to each other and the axis of the pile) around the piled discs with the outer rim of the disk lying inside the grooves of the threaded spindles so that the discs move along the pile axis by synchronously turning the spindles and having a manipulator to feed in or release a disc into a desired position, the improvement characterized in that the threaded spindles have a region or two regions in which the threads of the spindle vary in pitch and preferably also in diameter. This is achieved in case of a single-pile by increasing the pitch and the outer diameter of the thread of the spindles in the center region compared to the rest of the spindle, whereas for the two-pile version the end portions of the spindles vary in pitch and outer diameter. The core diameter is always constant.

Abstract: A disk apparatus includes a chassis and a tray supported on the chassis, the tray being provided to be movable between a disk-change position and a disk-loaded position. A disk holder holds a disk on the tray at a given position. A movable base supports a turntable thereon, the turntable being provided to support and rotate the disk on the turntable, the movable base being provided to be vertically rotatable between a lowered position and a lifted position. A clamper clamps the disk between the turntable and the clamper. A movable base drive unit actuates the movable base to the lifted position by a driving force of a motor when the tray is moved to the disk-loaded position, such that the disk is clamped between the clamper and the turntable. The movable base drive unit includes a slider which actuates the movable base to the lifted position and presses the disk holder in a radial direction of the disk to separate the disk holder from the disk at the same time as the actuation of the movable base.

Abstract: The resistant heated flash evaporator of the present invention is designed for flash evaporating a metal charge in a confined area and is substantially horse shoe in geometrical configuration having opposite ends and an upper section with the upper section having a recessed cavity adapted to receive the metal charge and having two leg sections extending downwardly from the opposite ends of the vessel. The cross sectional dimension of each leg section nearest the recessed cavity is substantially smaller in size than the cross sectional dimension of each leg section as it recedes therefrom so as to form a large open area below the recessed cavity.

Abstract: An object of the present invention is to provide a construction of a motor with a built-in sensor, in which the total length of the motor is not increased, and can be made approximately equal to the total length of the conventional motor which has no built-in sensor. To achieve this object, in a motor 1 comprising a rotor 3 having rotor cores 6a and 6b and a stator 2 in which windings 5 are wound on a stator core 4 to form a rotational magnetic field, a substantially cylindrical recess 21 with a diameter smaller than the outside diameter of the rotor 3 is formed at the end face portion of the rotor core 6a, 6b, and in a space 22 which communicates with the recess 21, including the recess 21, and reaches the end face of the windings 5 of the stator 2, a part of a motor frame 11 to which a bearing 9 for rotatably supporting a rotor shaft 7 while passing through it is fitted and a sensor 23, on the outside of the bearing 9, for detecting the position or speed of the motor 1 are disposed.

Abstract: A light oil component is mixed with a heavy oil component so that the kinematic viscosity is not higher than 800 centistokes, the light oil component and the heavy oil component are separated from each other after the mixed oil is transported to a power generation apparatus, and power generation is carried out by burning the light oil component by means of a gas turbine in the power generation apparatus and by burning the heavy oil component by means of a boiler in the power generation apparatus.

Abstract: There is provided a disk apparatus having a construction in which a reproducing unit is accommodated inside an enclosed space, whereby an optical head is protected from external dust. The optical head reads information recorded on a disk. Component parts of the disk apparatus are accommodated inside a case. The optical head is provided on a chassis formed in a box-like shape, the chassis having walls with ends which have contacting surfaces which come in contact with the case. A circuit board assembly which receives circuit processing information from the optical head is positioned outside the chassis. The chassis and the case together form an enclosed space, the optical head being accommodated inside the enclosed space.

Abstract: This device comprises a planar input area (4), a planar output area (6), a microguides array (2) laid out between these areas, means (8) of inputting a light beam associated with the input area and means (10) of outputting a light beam associated with the output area. According to the invention, at least two pieces (12, 16, 22) are formed, one comprising one part of at least one of the areas and the corresponding associated means, the other comprising the other part of this area and the other components of the device, and the pieces are added on so as to form the complete device and to adjust the wave length of this device. Application to optical telecommunications and optical spectrometry.

Abstract: The electron beam projection exposure apparatus of the present invention reduces the incidence of defects in patterns formed by exposure on a substrate and includes an illumination optical system for generating an electron beam, a mask placed in a prescribed location including a mask stage for aligning and scanning the mask, a projection-imaging optical system for projecting an image of a pattern formed on the mask onto a substrate with the substrate including a substrate stage for positioning and scanning the substrate. The electron beam projection exposure apparatus further includes at least one filter placed in the proximity of the mask for filtering dust and for preventing dust particles from inhibiting the passage of the electron beam to said substrate.

Abstract: A recording medium reproducing apparatus includes a recording medium inlet member through which a recording medium is inserted, a recording medium reproducing unit which reproduces said recording medium, and a recording medium supporting member including wing portions which support said recording medium. The wing portions are elastically warped by the recording medium and support the recording medium by an elastically restoring force. Each of the wing portions is provided obliquely in a direction in which the recording medium is inserted in the recording medium reproducing unit.

Abstract: A head carriage supports a head which performs recording and reproducing on a recording medium. A guide shaft guides a movement of the head carriage. A guide-shaft holding member holds an end portion of the guide shaft at a predetermined position of a frame. A driving portion moves the head carriage along the guide shaft. The guide-shaft holding member includes a fixed portion fixed on the frame, a leaf spring portion extending from the fixed portion and pushing the end portion of the guide shaft to the frame, and a supporting portion projecting from the fixed portion so as to support an intermediate portion in the longitudinal direction of the leaf spring portion.

Abstract: The present invention provides a motor and a stator structure of the motor and an assembly method of the stator structure and a method of installing the motor. The stator structure of the motor contains a stator substrate having a double-layer structure of a printed circuit board and a magnetic plate jointed together at a plurality of calking sections, wherein a centroid is determined with respect to the plurality of calking sections on the printed circuit board, and a vacant area having no electric parts provided is determined nearby the centroid on the printed circuit board to allow the vacant area to be supported by a retainer of a calking jig.

Abstract: In a recording-medium loading apparatus, a recording medium can be smoothly attached to a tray without inconvenient operations. The recording-medium loading apparatus has a reduced thickness. A tray is movable between an exchanging position at which the recording medium is removed or inserted and a loaded position at which a recording or reproducing operation is performed on the recording medium. The recording medium is inserted into a holder. The holder is supported by a support member so that the holder is movable between an accommodating position at which the holder is accommodated in the tray and an insertion/ejection position at which the holder is separated from the tray. The holder is movable to the insertion/ejection position when the tray is moved to the exchanging position, and the holder is held at the accommodating position during a process for moving the tray to the loaded position.

Abstract: A material for a base tube of a fuel battery, comprising a mixture of at least two components selected from the group consisting CaO , ZrO2, NiO, MgO, SrO, Al2O3, TiO2, and BaO. Such material suppresses cracks of an electrolyte and also suppress leakage after rapid temperature increase and decrease, thus providing a reliable fuel battery.

Abstract: A resin composition for forming a three-dimensional object by optical stereolithography, which contains 5 to 65 vol % of aluminum oxide fine particles having an average particle diameter of 3 to 70 &mgr;m and 5 to 30 vol % of whiskers having a diameter of 0.3 to 1 &mgr;m, a length of 10 to 70 &mgr;m and an aspect ratio of 10 to 100, the total content of the aluminum oxide fine particles and the whiskers being 10 to 70 vol %. According to the resin composition for forming a three-dimensional object by optical stereolithography, a high-quality three-dimensional object by optical stereolithography that has high heat resistance with a high heat distortion temperature and high rigidity with a high flexural modulus and that is free from a dimensional change on account of a low linear thermal expansion coefficient even when temperature varies can be obtained by optical stereolithography with high dimensional accuracy.

Abstract: A box and dolly system for moving, storing or retrieving goods wherein the box comprises a plurality of substantially upright walls with at least one of the walls having at least two surfaces disposed in an offsetting relationship for forming an overhang and wherein the dolly comprises a plurality of upright walls and a housing adjacent the intersection of each pair of upright walls and with the housing extending from the walls of the dolly such that the dolly may be stacked directly upon another dolly of identical construction with both dollies aligned in the same orientation.

Abstract: There is provided a photocurable resin composition comprising (A) an urethane acrylate having three or four acrylate groups in the molecule, (B) a radical polymerizable compound different from the above urethane acrylate; and (C) a photopolymerization initiator, the weight ratio of the urethane acrylate (A) to the radical polymerizable compound (B) being 80:20 to 10:90; and a production process thereof. The said photocurable resin composition can provide moldings and stereolithographed objects having excellent dimensional accuracy with a small volume shrinkage factor at the time of photo-curing and excellent heat resistance with a high thermal deformation temperature as well as excellent transparency and mechanical properties such as tensile strength.

Abstract: A lens system for a microscope having a variable angle lens-barrel. The lens-barrel includes an afocal optical system lying along an optical path extending from an infinite correction type objective lens to an ocular lens and comprises a first lens group which has positive refractive power, a second lens group which has negative refractive power, and a third lens group which has positive refractive power. The lens system includes a reflective mirror positioned between the second lens group and the third lens group which is mounted for rotation a out a pendular axis. Light through the infinite correction type objective lens becomes a parallel light beam which is passed to the third lens group from the reflective mirror.