Abstract: In a touch sensor, a wiring board has signal line portions electrically connected to a first sensor terminal of a first sensor board at a first end; a ground portion electrically insulated from the signal line portions; and an insulating layer covering the ground portion. The insulating layer has a plurality of through holes for passing through the insulating layer in a thickness direction of the wiring board and exposing the ground portion therethrough. The plurality of through holes are arranged at intervals. A line segment connecting two through holes of the plurality of through holes intersects the plurality of signal line portions.

Abstract: There is provided a piezoelectric stack, including: a substrate; an electrode film; and a piezoelectric film which is comprised of alkali niobium oxide of a perovskite structure represented by a composition formula of (K1-xNax)NbO3 (0<x<1), wherein the piezoelectric film comprises crystals having a grain size with a standard deviation of more than 0.42 ?m.

Abstract: There is provided a piezoelectric stack, including: a substrate; an electrode film; and a piezoelectric film which is comprised of alkali niobium oxide of a perovskite structure represented by a composition formula of (K1-xNax)NbO3 (0<x<1), wherein the piezoelectric film comprises crystals having a grain size with a standard deviation of 0.42 ?m or less.

Abstract: There is provided a piezoelectric laminate, including: a substrate; an electrode film formed on the substrate; a layer comprised of lanthanum nickel oxide and formed on the electrode film; and a piezoelectric film formed on the layer comprised of lanthanum nickel oxide, and comprised of alkali niobium oxide of a perovskite structure represented by a composition formula of (K1?xNax)NbO3 (0<x<1), and containing a metallic element selected from a group consisting of Cu and Mn at a concentration of 0.2 at % or more and 2.0 at % or less, wherein the piezoelectric film has a breakdown voltage of 350 kV/cm or more.

Abstract: There is provided a piezoelectric laminate, including: a substrate; a base layer formed on the substrate; and a piezoelectric film containing alkali niobium oxide and having a perovskite structure, which is formed on the base layer, as a polycrystalline film, and represented by a composition formula of (K1-xNax)NbO3 (0<x<1), wherein a crystal grain group forming the piezoelectric film includes a crystal grain having a ratio of 0.01 nm?1 or more and 0.1 nm?1 or less, which is the ratio of an outer peripheral length to a cross-sectional area when observing a cross-section of the crystal grain.

Abstract: There is provided a laminated substrate having a piezoelectric film, including: a substrate; a first electrode film provided on the substrate; and a piezoelectric film provided on the first electrode film, wherein an oxide film containing an oxide represented by a composition formula of RuOx or IrOx, is provided on the piezoelectric film.

Abstract: A generator system, including first and second generators each having an inverter circuit outputting AC, a connection circuit connecting the generators through a power line, a master-slave determining unit determining one of the generators as a master generator, and to determine other of the generators as a slave generator, a data acquiring unit acquiring an output data of the master generator, and a synchronization controlling unit controlling switching operation of the inverter circuit of the slave generator based on the output data of the master generator to synchronize an output data of the slave generator with the output data of the master generator, wherein the master-slave determining unit determines one of the generators that starts earlier as the master generator, and when the generators start simultaneously, to determine one of the generators as the master generator in accordance with a predefined rule.

Abstract: A grinder including a motor, a switch operated ON and OFF in accordance with an operation of a switch lever to control a rotation of an output shaft of the motor, a spindle that rotates in accordance with the rotation of the output shaft to rotate a disk-shaped grinding wheel and a brake mechanism controllable with respect to a brake plate that integrally rotates with the output shaft, in a housing, the brake plate includes fins.

Abstract: An electric device includes a first receptacle to which a first plug is connected, a second receptacle to which a second plug is connected, and a cover member configured to open/close the second receptacle. In a state in which the first plug is connected to the first receptacle, opening of the cover member is restricted by interference between the first plug and the cover member. In a state in which the second plug is connected to the second receptacle, connection of the first plug to the first receptacle is restricted by interference between the first plug and the cover member.

Abstract: The present invention provides a batteryless engine system comprising a first detection unit configured to detect a rotation speed of an internal combustion engine, a second detection unit configured to detect a voltage of a capacitor in which charges are accumulated, and a control unit operated by a power supplied from a generator and configured to control supply of a power from the generator to an injector, a fuel pump, and an ignition device based on the rotation speed detected by the first detection unit and the voltage detected by the second detection unit in a starting period of the internal combustion engine by a recoil starter.

Abstract: A power generator system, including a first generator and a second generator, a detector detecting a power of the first generator, a determinator determining whether a parallel operation of the first generator and the second generator is necessary based on a detection value detected by the detector when the first generator is operating and the second generator remains unstarted, a power supply unit supplying a starting power to the second generator to start the second generator when it is determined that the parallel operation is necessary, and a generator controller controlling operation of the second generator so as to operate synchronously in parallel with the first generator after the second generator is started.

Abstract: An engine-generator starting apparatus a three-phase winding equipped with a generating unit that rotates relative to rotation of a crankshaft of an engine, and an electronic control unit that controls supply of electric current the three-phase winding to rotate the crankshaft and start the engine. In the apparatus, the electronic control unit controls to supply first current to the three-phase winding to make the engine crankshaft of rotate reverse, the first current is of a level for stopping the piston connected to the crankshaft at a position in a compression stroke. Then it controls to supply second current (that is greater than the first current) to the three-phase winding to make the crankshaft of the engine rotate forward when a predetermined time period has elapsed, and control to ignite fuel supplied to the engine after the second current is supplied to the three-phase winding.

Abstract: An engine generator, including an engine having a piston reciprocating inside a cylinder, a generator unit having a three-phase winding, driven by the engine to generate power and operating as an engine starter motor during engine starting, a power converter circuit connected to the generator unit, a battery supplying power to the generator unit through the power converter circuit during engine starting, an engine speed detection unit detecting an engine speed, a connection switching unit switching a connection configuration of the winding to one of a wye-connection and a delta-connection, and a connection switching control unit controlling the connection switching unit to switch the connection configuration to the wye-connection when the engine speed is lower than a predetermined engine speed, and to switch the connection configuration to the delta-connection when the engine speed is equal to or higher than the predetermined engine speed, during engine starting.

Abstract: An electric device includes a first receptacle to which a first plug is connected, a second receptacle to which a second plug is connected, and a cover member configured to open/close the second receptacle. In a state in which the first plug is connected to the first receptacle, opening of the cover member is restricted by interference between the first plug and the cover member. In a state in which the second plug is connected to the second receptacle, connection of the first plug to the first receptacle is restricted by interference between the first plug and the cover member.

Abstract: A vehicle of a steer-by-wire type includes: a turning device that turns a wheel by actuating a turning motor; and a reaction torque generation device that applies a reaction torque to a steering wheel by actuating a reaction motor. A control device for the vehicle is configured to control turning of the wheel by controlling the turning motor and to control the reaction torque by controlling the reaction motor, according to rotation of the steering wheel. When a power output limiting condition is satisfied, the control device executes not only power output limiting processing that limits a power output of the turning motor but also reaction torque increasing processing. In the reaction torque increasing processing, the control device controls the reaction torque to make the steering wheel harder to rotate as compared with a case where the power output limiting processing is not executed.

Abstract: There is provided a laminated substrate having a piezoelectric film, including: a substrate; and a piezoelectric film provided on the substrate interposing a base film, wherein the piezoelectric film has an alkali niobium oxide based perovskite structure represented by a composition formula of (K1-xNax)NbO3 (0<x<1) and preferentially oriented in (001) plane direction, and a sound speed of the piezoelectric film is 5100 m/s or more.

Abstract: The present invention provides a batteryless engine system comprising a first detection unit configured to detect a rotation speed of an internal combustion engine, a second detection unit configured to detect a voltage of a capacitor in which charges are accumulated, and a control unit operated by a power supplied from a generator and configured to control supply of a power from the generator to an injector, a fuel pump, and an ignition device based on the rotation speed detected by the first detection unit and the voltage detected by the second detection unit in a starting period of the internal combustion engine by a recoil starter.

Abstract: This method for manufacturing a lead-free niobate-system ferroelectric thin film device includes: a lower electrode film formation step of forming a lower electrode film on a substrate; a ferroelectric thin film formation step of forming a niobate-system ferroelectric thin film on the lower electrode film; an etch mask pattern formation step of forming an etch mask in a desired pattern on the niobate-system ferroelectric thin film; and a ferroelectric thin film etching step of shaping the niobate-system ferroelectric thin film into a desired fine pattern by wet etching using an etchant comprising: a predetermined chelating agent including at least one selected from EDTMP, NTMP, CyDTA, HEDP, GBMP, DTPMP, and citric acid; an aqueous alkaline solution containing an aqueous ammonia solution; and an aqueous hydrogen peroxide solution.

Abstract: There is provided a piezoelectric laminate, including: a substrate; and a piezoelectric film formed on the substrate, wherein the piezoelectric film is a film containing an alkali niobium oxide of a perovskite structure represented by a composition formula of (K1-xNax)NbO3 (0<x<1), and having Young's modulus of less than 100 GPa.

Abstract: A power generator system, including a remaining fuel detector detecting a remaining fuel amount of each of the first generator and the second generator, an operable time calculator calculating a remaining operable time of the each of the first generator and the second generator based on the remaining fuel amount detected by the remaining fuel detector, and a signal output unit outputting a control signal for adjusting outputs of the first generator and second generator to an actuator so that the remaining operable time of the first generator and the remaining operable time of the second generator calculated by the operable time calculator is equalized while keeping a total power of the first generator and the second generator constant.