Abstract: An attitude determination system for an artificial satellite capable of performing star identification without need for the aid of ground station includes an image processing module (17) for processing star images observed at predetermined time points by a star sensor (16) mounted on the artificial satellite (1) for arithmetically determining direction vectors of the observed stars, a rotation estimating module (18) for estimating a rotational motion of the artificial satellite (1) between an attitude of the artificial satellite at a predetermined time point and an attitude of the artificial satellite at another time point, an elongation estimating module (19) for estimating elongations between the direction vectors of plural stars the images of which are picked up at a same time point by the star sensor and estimating the elongations between the direction vectors of plural stars the images of which are picked up at different time points by the star sensor on the basis of the estimated rotational motion, a st

Abstract: An attitude determination system for an artificial satellite capable of performing star identification without need for the aid of ground station includes an image processing module (17) for processing star images observed at predetermined time points by a star sensor (16) mounted on the artificial satellite (1) for arithmetically determining direction vectors of the observed stars, a rotation estimating module (18) for estimating a rotational motion of the artificial satellite (1) between an attitude of the artificial satellite at a predetermined time point and an attitude of the artificial satellite at another time point, an elongation estimating module (19) for estimating elongations between the direction vectors of plural stars the images of which are picked up at a same time point by the star sensor and estimating the elongations between the direction vectors of plural stars the images of which are picked up at different time points by the star sensor on the basis of the estimated rotational motion, a st

Abstract: A heterocyclic amide compound of the formula (I) ##STR1## wherein each symbol is as defined in the specification, a pharmacologically acceptable salt thereof, a pharmaceutical composition thereof and a pharmaceutical use thereof. The heterocyclic amide compound and a pharmacologically acceptable salt thereof of the present invention have superior inhibitory action on chymase group in mammals inclusive of human, and can be administered orally or parenterally. Therefore, they are useful as chymase inhibitors and can be used for the prophylaxis and treatment of various diseases caused by chymase, such as those caused by angiotensin II.

Abstract: In a brushless motor, its magnet unit is formed by laying on each other a first magnet made of a flexible bond magnet material which is anisotropic and a second magnet made of a flexible bond magnet material which is isotropic, and the second magnet is smaller in wall thickness than the first magnet, and is confronted with the stator and the magneto-electric conversion element.

Abstract: A chucking magnet magnetizing method and magnetizing apparatus with which it is possible to carry out magnetization so that the magnetic attraction forces of chucking magnets are uniform even when there is some dispersion among products in the difference in height between the hub support and the chucking magnet are disclosed. Magnetization of a chucking magnet is carried out with the magnetizing power of a magnetizing device varied according to the difference in height between a hub support and the chucking magnet. There are provided a dimension measuring device for measuring the difference in height between the hub support and the chucking magnet and a varying device for varying the magnetization power from the magnetizing device based on measured values form the measuring device.

Abstract: A magnet assembling device includes a rounding die into which a rectangular and flexible rubber magnet can be mounted in an annular manner; a die guide for guiding the rubber magnet mounted in the rounding die into a motor case; a push punch including a punching portion for inserting the rubber magnet mounted in the rounding die into the die guide and for pushing the rubber magnet out of the die guide into the motor case; and a magnetizing head for magnetizing the inner peripheral surface of the rubber magnet. The die guide is formed in a tapered shape such that the inside diameter dimension of the side thereof from which the rubber magnet is inserted is larger than the inside diameter dimension of the side thereof from which the rubber magnet is discharged.

Abstract: A small motor includes a rotor fastened to a rotor shaft; a drive magnet disposed facing to the rotor; and bearings for rotatably supporting the rotor shaft with the rotor fastened thereto, wherein a magnetization pattern of the magnet is shaped in such a manner that magnetic forces contributing to the rotation drive of the rotor are balanced, and magnetic forces contributing to the rotor core attraction are unbalanced, thereby biasing the rotor shaft in fixed directions within the bearings.

Abstract: A disk drive device includes a device stand on which a spindle motor and a device control board are fixedly mounted. The device stand has a motor mounting section which is embossed so that the spindle motor is mounted on the motor mounting section. Fastening members are inserted into the mounting holes which are formed in a stator core and the motor mounting section in such a manner that they are aligned with one another so that, with the fastening members, the circuit board is held between the motor mounting section and the stator core, and the spindle motor is fixedly mounted on the device stand. The circuit board follows the surface of the motor mounting surface being held in close contact with the latter.

Abstract: A magnetic disk drive motor includes a hub stand for driving a disk while carrying the disk thereon, a shaft fixed to the middle of the hub stand, a rotor case attached to an end of the shaft and having a drive magnet on an inner side of a circumferential wall thereof, a substantially cylindrical housing rotatably supporting the shaft through a bearing, and a base plate supporting a stator core, wherein an end of the bearing is in slidable contact with the hub stand; and at least a part of the one end surface of the bearing is cut away.

Abstract: A structure of the terminals of a brushless motor, which enables the motor to be thin and enables enables the windings of the motor to be connected to a circuit board easily and automatically is provided. This brushless motor comprises: a rotor section having a rotor magnet; a stator section having windings opposed to the rotor magnet (9) in the radial direction of the motor and having a stator core around which the windings are wound; a driving circuit formed on a surface of a circuit board electrically connected to the windings wound around the stator core; terminals (6), each having a clipping portion which holds and is electrically connected to the winding and having a connection portion which is electrically connected to a land part of the driving circuit on the circuit board, for repositioning the electrical connection between the windings and the driving circuit; and a core holder for holding the terminals.

Abstract: An insulated magnet wire, being pushed against the arcuate guide surface of a guide member, is held in semi-circular stripping cuts formed respectively in a pair of clamping parts forming a clamp tool which are opened and closed by being turned about a fulcrum. Under this condition, the clamp tool 10 is moved along the magnet wire, to cause the semi-circular stripping cuts to strip the magnet wire.

Abstract: A motor in which flange portions are partially formed on the outer peripheral surface of a housing. Flange portions, which can be respectively superimposed on the flange portions of the housing, are formed on the inner peripheral surface of a stator core. Projected portions and screw holes are formed in the stator core such that they are positioned adjacent to each other. Then, while the flange portions of the stator core are respectively superimposed on the flange portions of the housing, screws are respectively inserted through the screw holes in the flange portions in contact with the projected portions into screw holes formed in a circuit board, whereby the flange portions of the stator core are flexed to press down the flange portions of the housing, so that the housing can be fixed to the circuit board.

Abstract: A motor includes a rotor case having a rotor magnet so as to face a stator core; a rotating shaft as fixed through a hole formed in the center of the rotor case; and a pulley having a center hole fixedly secured to a distal end portion of the rotating shaft projecting beyond the hole in the rotor case, the pulley being fixed to the rotor case.

Abstract: A method permits the use of a low-cost bearing and by which a bearing unit can be manufactured without requiring lathe turning or any special kind of compression, pressure application, etc., that experiences low loss and which assures high precision in the perpendicularity of the rotating shaft to be supported by the bearing. The process for manufacturing a bearing unit in which bearing that supports a rotating shaft in a freely rotatable manner is secured to mounting member. The process includes at least the following three steps: the first step for providing sizing bar in hole in bearing into which the rotating shaft is to be inserted; the second step for working an end portion of the bearing, thereby forming in an end portion of the hole a small-diameter portion that is equal in size to the outside diameter of the sizing bar; and the third step for securing the bearing to the mounting member.

Abstract: An improved configuration for processing the wire end of a coil wound around each salient pole of a stator core of a rotating electric machine having a core is provided. The configuration enables the winding of the coil around the salient-pole and the coupling of the coil to the circuit substrate without using any protruding member such as a terminal or a hook to reduce the thickness of the stator and automate all the processes from the winding process to the coupling process, thereby reducing the manufacturing cost.

Abstract: An object of this invention is to provide a disk driving device which is small in the number of components, simple in structure, and low in manufacturing cost, and which can be miniaturized. In a disk driving device, a spindle motor and a head carriage section are provided in a disk cassette loading area, and the guide mechanism of the head carriage section is provided beside the spindle motor. The object of the invention has been achieved by arranging the spindle motor and the head carriage section collectively in the disk cassette loading area. Preferably, the spindle motor and the head carriage section are arranged on one and the same circuit board.

Abstract: A laminated core for a motor includes a plurality of core members made of magnetic material and which are laminated to form laminated core members; insulating layers formed on the surfaces of the laminated core members, and a wire wound on the insulating layer of the laminated core members, wherein the insulating layers are respectively formed on the core members located on the upper and lower sides of the laminated core in the laminate direction.