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| 20080226946 | Magnetic disc, stamper for making magnetic disc, and method for making magnetic disc - A magnetic disc has a data area including a magnetic data zone and nonmagnetic portions for physically separating the magnetic data zone, and also has a servo area provided with a magnetic pattern made up of magnetic portions and nonmagnetic portions. The servo area includes a belt-like area elongated in a radial direction of the magnetic disc and having a circumferential length at least twice as long as a unit length readable by a magnetic head in a circumferential direction of the magnetic disc. The belt-like area is provided with magnetic regions and nonmagnetic regions alternating with each other in the radial direction of the disc, where each of the magnetic and nonmagnetic regions extends from the first end to the second end of the belt-like area that are spaced from each other in the circumferential direction of the disc. | 09-18-2008 |
| 20100072665 | THERMAL IMPRINTING DEVICE AND THERMAL IMPRINTING METHOD - A thermal imprinting device, including: a mold on the surface of which is formed a concavity and convexity pattern to be formed in a transfer layer; a pressing mechanism which brings the mold into close contact with the transfer layer and performs pressing; and a pair of heating mechanisms arranged at positions enclosing the mold and the transfer substrate to heat the mold and the transfer substrate. At least one of the heating mechanisms has a plurality of heating regions comprising a central heating region and at least one peripheral heating region surrounding the central heating region, and has different heating abilities for each of the heating regions. | 03-25-2010 |
| 20100166906 | INPRINT EQUIPMENT - An imprinting apparatus which includes a mold having a recess/protrusion pattern formed on a surface thereof and a pressure-applying piston that makes the mold and a transfer substrate having a transfer layer thereon come into close contact and that applies pressure to transfer shapes of the recess/protrusion pattern to the transfer layer. The imprinting apparatus comprises a mold holding unit having a mold holding surface to hold the mold; a substrate holding unit having a substrate holding surface opposed to the mold holding surface to hold the transfer substrate; and a support unit supporting the mold holding unit and the substrate holding unit in such a way as to be able to get closer to and farther from each other. The pressure-applying piston is movable along a direction intersecting with the mold holding surface and the substrate holding surface and has a pressure-applying surface that can come into contact with one of the mold holding unit and the substrate holding unit when applying pressure, and a plurality of engaging units that can engage with one of the mold holding unit and the substrate holding unit when moving back. | 07-01-2010 |
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| 20080238258 | Actuator - To provide an actuator which is easily made a small size and flexible, and has a large displacement. The actuator comprises a rod-shaped actuator element, having one axial end thereof fixed, including a dielectric film made of a dielectric elastomer and a plurality of electrodes arranged via the dielectric film, in the actuator element, the dielectric film extends as a voltage applied across the electrodes becomes large, and a load member connected to the other axial end of the actuator element and fixed in a state in which the actuator element is permitted to be extended axially, characterized in that making large the voltage applied across the electrodes causes the dielectric film to be extended, whereby the actuator element is extended axially according to the tension of the load member. | 10-02-2008 |
| 20090015270 | Electrostatic capacity-type sensor - An object of the present invention is to provide an electrostatic capacity-type sensor which is excellent in durability and can detect bending-deformation. An electrostatic capacity-type sensor comprises a dielectric film made of an elastomer and a pair of electrodes arranged via the dielectric film, and detects the deformation based on a change in the electrostatic capacity between the pair of electrodes. The pair of electrodes have an elastomer and a conductive filler blended in said elastomer, and are expansible/contractible depending on the deformation of the dielectric film, and exhibit a small change in the conductivity even when expanded and contracted. | 01-15-2009 |
| 20090060760 | Diaphragm pump - A diaphragm pump includes: a volume changing member which changes the volume of a fluid chamber; a diaphragm member fixed in a stretched state and arranged separate from the fluid chamber, the diaphragm member having a pair of electrodes and a stretch film formed of dielectric elastomer, and the diaphragm member driving the volume changing member in a forward movement direction; a return bias member which drives the volume changing member in a backward movement direction; and a connection member which connects the diaphragm member and the volume changing member. In a low voltage state, the diaphragm member and the return bias member have driving force with respect to the volume changing member. The diaphragm member is arranged so as to be elastically protruded in the backward movement direction compared to the stretched state, and an inclination angle of the diaphragm member in the low voltage state with respect to that in the stretched state is set to 45° or greater in a cross section along a reciprocal movement direction. | 03-05-2009 |
| 20090120696 | DEFORMABLE SENSOR SYSTEM - To provide a deformable sensor system, which makes it possible to obtain a pressure distribution with a much higher accuracy, while reducing the number of electrodes. | 05-14-2009 |
| 20100033196 | CAPACITIVE SENSOR - A capacitive sensor includes a dielectric layer made of an elastomer and a pair of electrodes arranged via the dielectric layer, and detects deformation on the basis of electrostatic capacity variation between the pair of electrodes. The pair of electrodes contain an elastomer and conductive fillers filled into the elastomer, are expandable and contractible in accordance with deformation of the dielectric layer, and exhibit little conductivity variation even when the pair of electrodes expand and contract. At least one of the dielectric layer and the electrodes is formed by a printing method using a dielectric layer coating containing a formation component of the dielectric layer or an electrode coating containing a formation component of the electrode. | 02-11-2010 |
| 20120144935 | SENSOR ASSEMBLY AND SENSOR MODULE - A purpose is to provide a sensor assembly and a sensor module having a flexible sensor element that uses polymer material and having a component such as the sensor element and the like that hardly deteriorates and is superior in durability. A sensor assembly includes a sensor element and an exterior packaging bag enclosing the sensor element. The sensor element includes a sensor thin film made of resin or elastomer, and at least one pair of electrodes connected to the sensor thin film. The exterior packaging bag is made from laminate films having a metal foil and two resin layers arranged sandwiching the metal foil. | 06-14-2012 |
| 20140163435 | SWINGING LEG PENDULUM MOVEMENT AID FOR WALKING, AND ASSISTANCE FORCE CONTROL METHOD - A swinging leg pendulum movement aid for walking including a pair of assisting units for a left leg and a right leg each having a drive source for applying a pulling force to an auxiliary force transmission part, a joint angle sensor for detecting a joint angle of user's hip joints, and a control member for driving the drive sources of the respective assisting units corresponding to changes in the joint angle and applying an assistance force in a forward swinging direction to the swinging leg that kicked off a ground so as to aid a pendulum movement of the swinging leg. | 06-12-2014 |
| 20140300247 | REACTIVE IONIC LIQUID, AND ION-IMMOBILIZED METAL OXIDE PARTICLE, ION-IMMOBILIZED ELASTOMER, AND TRANSDUCER USING SAME - A reactive ionic liquid to be used as an ionic component that is contained in an ion-containing layer in a transducer arranged in contact with a high-resistance layer as a dielectric layer of the transducer, and is restrained from migrating from the ion-containing layer to the high-resistance layer on application of a voltage is provided. The reactive ionic liquid comprises an ion pair that consists of an anion and a cation. In the reactive ionic liquid, (a) the anion comprises (a1) a reactive group that consists of an alkoxysilyl group and (a2) an anionic group consisting of a carboxylate (—COO | 10-09-2014 |
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| 20140018987 | TORQUE DISTRIBUTION APPARATUS, TORQUE DISTRIBUTION METHOD, TORQUE DISTRIBUTION VALUE GENERATION METHOD, AND PROGRAM - A torque distribution apparatus acquires instructed torque input and a motor efficiency map; detects vehicular speed and drive wheel rotational speed; calculates based on the speeds, a relational expression of a slip rate at drive wheels and a friction coefficient; creates based on the relational expression, a performance curve expression that indicates torque-drive wheel rotational speed relations, superimposes the performance curve expression on the motor efficiency map, creates an efficiency variation expression that indicates for each vehicular speed, the torque and efficiency values of the motor efficiency map, and calculates torque that optimizes efficiency, from the efficiency variation expression; calculates within a range of the slip rate being 0 to 0.2 and based on the instructed torque and torque optimizing efficiency, a torque distribution value for each of the motors such that total efficiency ηtotal=Σ((Tn/T)×ηdn×ηλn) is maximized; and controls based on the calculated torque distribution values, torque distribution among motors. | 01-16-2014 |
| 20140018988 | EFFICIENCY MAP GENERATING APPARATUS, EFFICIENCY MAP GENERATING METHOD, AND PROGRAM - An efficiency map generating apparatus ( | 01-16-2014 |
| 20140018989 | EFFICIENCY MAP GENERATING APPARATUS, EFFICIENCY MAP GENERATING METHOD, AND PROGRAM - An efficiency map generating apparatus ( | 01-16-2014 |
| 20140046568 | TORQUE DISTRIBUTION APPARATUS, TORQUE DISTRIBUTION METHOD, TORQUE DISTRIBUTION VALUE GENERATION METHOD, AND PROGRAM - A torque distribution apparatus includes an instructed torque acquiring unit that acquires input instructed torque, a determining unit that determines whether to perform power running control or regenerative braking, an efficiency map acquiring unit that based on a determination result, acquires a motor efficiency map, a vehicular speed detecting unit, a drive wheel rotational speed detecting, a slip rate calculating unit that calculates slip rate at drive wheels, a calculating unit that based on the slip rate, creates an efficiency variation expression that indicates efficiency values on a performance curve that indicates relations between drive wheel rotational speed and torque, a distributing unit that calculates based on the slip rate, the instructed torque, and the torque optimizing efficiency, torque distribution values such that overall efficiency during power running and during regeneration are maximized, and a control unit that controls torque distribution to the motors. | 02-13-2014 |
| 20140067181 | TORQUE DISTRIBUTION APPARATUS, TORQUE DISTRIBUTION METHOD, TORQUE DISTRIBUTION VALUE GENERATION METHOD, AND PROGRAM - A torque distribution apparatus acquires an instructed torque input and a motor efficiency map for motors; detects vehicular speed and drive wheel rotational speed; calculates based on the detected speeds, a relational expression of drive wheel slip rate and a friction coefficient; creates based on the relational expression, a performance curve expression indicating relations between torque and the drive wheel rotational speed, superimposes the performance curve expression on the motor efficiency map, creates an efficiency variation expression indicating for each vehicular speed, the torque and efficiency values of the motor efficiency map, and calculates a torque that optimizes efficiency from the efficiency variation expression; calculates based on the instructed torque and the torque optimizing efficiency, a torque distribution value for each motor; and controls torque distribution to each motor, within a range of the slip rate being 0 to 0.2 and based on the torque distribution values. | 03-06-2014 |
