Abstract: There is provided an axial fan apparatus including an axial-flow impeller, a drive unit, and a housing. The axial-flow impeller is capable of rotating and includes a plurality of blades inclined with respect to a rotational axis direction. The drive unit rotates the axial-flow impeller. The housing is mounted with the drive unit, and includes a sidewall, and a plurality of slits that circulate gas. The sidewall is provided around the axial-flow impeller. The plurality of slits are provided to the sidewall and inclined with respect to the rotational axis direction in a direction opposed to a direction in which the plurality of blades incline.

Abstract: Provided is an axial fan apparatus including a housing and an axial-flow impeller. The axial-flow impeller is capable of rotating inside the housing and includes a plurality of axial-flow wings each having a negative pressure generation surface for generating a negative pressure, and an auxiliary vane standing on the negative pressure generation surface at an end portion of each of the plurality of axial-flow wings.

Abstract: A vibration assembly includes a container, a vibration member containing a hollow portion with a bottom, at least two support members, a magnetic body, a coil having a spool axis, and a diaphragm that is attached to the container. Each of the support members has a flat and corrugated configuration. An end of the one of the support members is bonded to a portion of an edge portion of the hollow portion of the vibration member. The other end of the one of the support members is fixed to a portion of an upper edge of the container. An end of the other support member is bonded to the other portion of the edge portion of the hollow portion of the vibration member. The other end of the other support member is fixed to the other portion of the upper edge of the container.

Abstract: A molded article obtained by blending a poly-functional monomer in a biodegradable polyester, kneading the blend, and molding the kneaded material into a predetermined shape is irradiated with ionizing radiation at an irradiation dose of 50 to 200 kGy to crosslink the biodegradable polyester to a gel fraction of 50 to 90%, where the flexural modulus is from 100 to 400 MPa, and the Young's modulus is from 60 to 240 MPa.

Abstract: Disclosed is an actuator device for an optical device. The actuator device includes a core arranged in an optical device inside of which an optical path passes through, a coil wound around the core, and a rotational magnet formed into an approximately cylindrical shape, at least one end of which includes a bearing portion in an axial direction, and which rotates according to a direction of a magnet field output from the core by electrifying the coil. The actuator device further includes a drive pin rotated in association with the rotational magnet, a base member securely supporting the core and rotatably supporting the rotating magnet, and an optical member moving in and out of the optical path based on rotation of the rotational magnet.

Abstract: A driver IC and passive parts, which convert a direct current voltage into a three-phase voltage, and an FP coil for cyclically generating a magnetic field through the driver IC are mounted on a flexible substrate, which constitutes a small vibration motor. The driver IC is a so-called bare chip in which a circuit section is exposed and is not molded with resin and the like. Magnets and an unbalance weight are installed on a yoke having a shaft. The FP coil and the magnet are placed so as to face each other. A cover is caulked to fixed to a bottom plate. Thus, the vibration motor can be miniaturized and thinned. Moreover, the vibration motor can be automatically manufactured, and installing them to an electronic apparatus can be automatically performed.

Abstract: An actuator is provided that includes: a diaphragm that vibrates to generate sound; a housing that is attached to an outer edge of the diaphragm to support the diaphragm; an accommodating space that is formed inside the diaphragm and the housing, and an axis of which extends in a thickness direction of the diaphragm in the middle of the diaphragm; a coil that is wound around the axis, is attached to a face of the diaphragm facing the accommodating space, and is disposed in the accommodating space; a movable body that is disposed in a radial inside space of the coil or on an extension of the space, within the accommodating space; and a spring that supports the movable body such that the movable body is movable in the axial direction within the accommodating space.

Abstract: An input device and an electronic apparatus using such an input device capable of providing visual amusement at the time of operating thereof and allowing the down sizing and thinning are provided. The input device has a reversible chromatic layer exhibiting color change in response to temperature change, and a sheet-type input portion laminated on the reversible chromatic layer and activates ON operation upon being pressed.

Abstract: There is provided a vibration generator (40) in which a rotor with an unbalancer is rotated. The vibration generator includes a bottom plate (47) having a flat coil substrate (120) installed thereto, a stationary shaft (91) provided perpendicularly to the bottom plate, a magnet (85) installed on the stationary shaft (91) with a freely rotatable bearing being disposed between them and opposite to the surface of the flat coil substrate (120) with a slight clearance defined between them, and a weight (87) installed to the magnet (85). For generating a vibration, a current is supplied to the coil on the flat coil substrate (120) to rotate the magnet (85) and weight (87). The bottom plate (47) is formed from a nonmagnetic material. A thin magnetic plate (48) is installed at the side opposite to the magnet (85) with the bottom plate (47) being placed between the thin magnetic plate (48) and magnet (85).

Abstract: A driver IC and passive parts, which convert a direct current voltage into a three-phase voltage, and an FP coil for cyclically generating a magnetic field through the driver IC are mounted on a flexible substrate, which constitutes a small vibration motor. The driver IC is a so-called bare chip in which a circuit section is exposed and is not molded with resin and the like. Magnets and an unbalance weight are installed on a yoke having a shaft. The FP coil and the magnet are placed so as to face each other. A cover is caulked to fixed to a bottom plate. Thus, the vibration motor can be miniaturized and thinned. Moreover, the vibration motor can be automatically manufactured, and installing them to an electronic apparatus can be automatically performed.

Abstract: A connector 1 according to the invention comprises a main body 10 for receiving the front end of a flat cable 2 being inserted therein, a movable pressurizing member 11 adapted to press and rigidly secure in position the flat cable 2 inserted into the main body 10 and projections 13 arranged either on the main body 10 or on the pressurizing member 11 so as to be engaged respectively with the corresponding holes 23 of the flat cable 2 when the front end of the flat cable is inserted into the connector 1 to take a right position in the connector 1. The flat cable 2 comprises a flexible base member 21 and wires 22 formed in the flexible base member 21, the flexible base member 21 being provided with holes 23 to be engaged respectively with the corresponding projections 13 arranged in the connector 1 when the flexible base member 21 is inserted into the connector 1 to take a right position in the connector 1.

Abstract: The present invention is directed to a vibration generating device used for mobile telephone, etc., which comprises a rotor (110), and a stator (120) for rotatably supporting the rotor, and serving to rotate the rotor to thereby generate vibration. The rotor comprises a bearing sleeve (160) consisting of resin molded material and rotatably attached to a fixed shaft (124) provided at the stator, a magnet (170) and a weight (180) positioned in eccentric state with respect to the bearing sleeve, wherein the bearing sleeve and the magnet are formed in the state where they are integrated by material resin of the bearing sleeve.

Abstract: Providing a lens driving mechanism that has a rotary cam connected to a cam pin for driving a lens, a rotor directly attached to the rotary cam, and a stator having a plurality of coils provided so as to face a plurality of poles of a magnet disposed along a rim of the rotor. Another lens driving mechanism has a rotary cam connected to a cam pin for driving a lens, a rotor directly attached to the rotary cam, a stator having a plurality of coils provided so as to face a plurality of poles of a magnet disposed toward the center of rotation along a rim of the rotor. Electronic device equipped with the lens driving mechanism is also provided.

Abstract: A motor driving apparatus and a driving method thereof, and a mobile terminal in which a terminal voltage value of a terminal is detected at a terminal voltage detection unit, and is held in a holding circuit. A difference between the terminal voltage value detected this time and the terminal voltage value detected last time and held in the holding circuit is calculated in a difference circuit, and the calculated difference voltage value is compared with a reference voltage value determining a rated frequency in a comparator. A synchronizing reference voltage value of a reference voltage source is controlled by a control circuit on the basis of each comparison result in the comparators and a frequency of a synchronizing reference signal specified as a basic operation time unit at the time of synchronous driving is corrected so that a stable synchronous operation condition can be obtained before a rotor of a brushless motor steps out from a synchronous operation.

Abstract: A MEMS (micro-electromechanical system) device having a rotor 44, a stator 43 and a shaft 27 connected to the stator 43 and around which the rotor 44 rotates. Grooves 47 are formed in a portion of the rotor 44, such that when the rotor 44 rotates an air bearing is formed for supporting the rotor 44 and maintaining its distance from the shaft 27 and stator 43. The rotor 44 is formed from joining two substrates 13, 23. One of the substrates 13 includes a surface having openings 7 including frustoconical walls, and one of the substrates 23 includes a surface having openings 15 including walls perpendicular to the surface of the substrate. The openings in the two substrates are in register with each other so that pairs of the openings form chambers 24. Each chamber 24 is provided with a shaft 27, which is positioned with a wide section of the shaft trapped in the chamber 24. The wide section of the shaft has a frustoconical surface facing the frustoconical walls of the chamber 24.

Abstract: A drive motor is proposed, which serves as a drive source for a movement mechanism constituting an iris for an optical path of an imaging system. The drive motor has a shaft serving as a center of rotation, a magnet, two-pole magnetized and rotated around the shaft, a turning arm engaged with movable members and turned integrally with the magnet, for moving the movable members in a direction associated with a turning direction, a stator coil wound in a direction perpendicular to a direction of rotation of the magnet and disposed in such a way to enclose the magnet from outside, a coil bobbin on which the stator coil is wound, a stator yoke disposed outside the coil bobbin and having a cylindrical circumferential surface part penetrated in an axial direction of the shaft, and position detection means for detecting a rotational position of the magnet.

Abstract: A first arm rotating within a predetermined angle about its rotational center is linked to a second arm rotating in a direction opposite to a rotation direction of said first arm. Two shrinking members are mounted on one end of the first arm. Two shrinking members shrink in opposite directions for each other each time when any one of them is energized. According to a switch of electricity to the two shrinking members, the first arm rotates to switch a rotational position thereof, with the second arm rotating to switch a rotational position of the second arm.

Abstract: An image-capturing device includes a lens barrel having therein an optical image-capturing system; a light control blade which opens and closes an optical path of the optical image-capturing system so as to control the amount of light entering the system; and a base body having a transmission hole through which the optical path extends and supporting the light control blade in a movable manner. The light control blade includes a multilayer laminate including a base material composed of a film and serving as a substrate, and at least a metallic layer disposed on the base material; and a light-blocking layer disposed on a first section of the multilayer laminate. A second section of the multilayer laminate not having the light-blocking layer disposed thereon defines a light adjustment filter for adjusting the amount of incident light. The first section having the light-blocking layer defines a light-blocking portion for blocking incident light.

Abstract: There is provided a vibration generator (40) in which a rotor with an unbalancer is rotated. The vibration generator includes a bottom plate (47) having a flat coil substrate (120) installed thereto, a stationary shaft (91) provided perpendicularly to the bottom plate, a magnet (85) installed on the stationary shaft (91) with a freely rotatable bearing being disposed between them and opposite to the surface of the flat coil substrate (120) with a slight clearance defined between them, and a weight (87) installed to the magnet (85). For generating a vibration, a current is supplied to the coil on the flat coil substrate (120) to rotate the magnet (85) and weight (87). The bottom plate (47) is formed from a nonmagnetic material. A thin magnetic plate (48) is installed at the side opposite to the magnet (85) with the bottom plate (47) being placed between the thin magnetic plate (48) and magnet (85).

Abstract: A motor driving apparatus and a driving method thereof, and a mobile terminal in which a terminal voltage value of a terminal is detected at a terminal voltage detection unit, and is held in a holding circuit. A difference between the terminal voltage value detected this time and the terminal voltage value detected last time and held in the holding circuit is calculated in a difference circuit, and the calculated difference voltage value is compared with a reference voltage value determining a rated frequency in a comparator. A synchronizing reference voltage value of a reference voltage source is controlled by a control circuit on the basis of each comparison result in the comparators and a frequency of a synchronizing reference signal specified as a basic operation time unit at the time of synchronous driving is corrected so that a stable synchronous operation condition can be obtained before a rotor of a brushless motor steps out from a synchronous operation.