Abstract: A positive electrode active material includes: a rich phase; a poor phase; and a two-phase coexistence phase in which the rich phase and the poor phase coexist. A method of managing a battery includes, in a many particle model in which the positive electrode active material is represented by a plurality of particles each distinguished by a particle number indicating a reaction sequence of the positive electrode active material, assuming that the charge carriers are equal in content among one or more particles belonging to each of the rich phase, the poor phase, and the two-phase coexistence phase: calculating an overvoltage of each of the particles for each of the phases; calculating a reaction current density based on the overvoltage for each of the phases; and estimating an SOC of the storage battery based on the reaction current density in each of the phases.

Abstract: A crystal resonator plate according to one or more embodiments may include: a vibrating part; an external frame part surrounding an outer periphery of the vibrating part; and a support part connecting the vibrating part to the external frame part. A plurality of crystal faces is formed on respective side surfaces of the external frame part and the support part. The respective side surfaces are connected to a connecting part of the external frame part and the support part. A plurality of ridge lines is formed by the plurality of crystal faces. An intersection blocking part is provided on the connecting part of the external frame part and the support part, on at least one side of a first main surface side and a second main surface side thereof, to block intersection of two or more of the ridge lines on the connecting part.

Abstract: In a piezoelectric resonator device according to one or more embodiments, an internal space for hermetically sealing a vibrating part including a first excitation electrode and a second excitation electrode of a crystal resonator plate is formed by bonding a first sealing member and a second sealing member respectively to the crystal resonator plate. A through hole is formed in the second sealing member. A through electrode is formed along an inner wall surface of the through hole to establish conduction between an electrode formed on a first main surface and an external electrode terminal formed on a second main surface. A corrosion resistance structure to solder is formed on the through electrode that establishes conduction between the electrode and the external electrode terminal with a conductive metal other than Au.

Abstract: A through hole formed in an AT-cut crystal plate includes an inclined surface (72) that extends from a peripheral area toward a penetrating part (71) in a center part of the through hole. The inclined surface (72) includes: a first crystal surface S1 that extends from the penetrating part (71) toward the peripheral area of the through hole in a ?Z? and a +X directions; a second crystal surface S2 that extends from the penetrating part (71) toward the peripheral area of the through hole in the ?Z? and the +X directions and that contacts with the first crystal surface S1 in the +Z? and the +X directions of the first crystal surface S1; and a third crystal surface S3 that contacts with the second crystal surface S2 in the +X direction of the second crystal surface S2 and that contacts with the main surface of the AT-cut crystal plate.

Abstract: In a radio-frequency module, a conductive layer covers a major surface opposite to the mounting board side of a resin layer and a major surface opposite to the mounting board side of an electronic component. The electronic component includes an electronic component body and a plurality of outer electrodes. The electronic component body includes an electrical insulating portion and a conductive portion provided inside the electrical insulating portion, forming at least a portion of a circuit element of the electronic component. The electronic component body has a third major surface and a fourth major surface opposite to each other, and an outer side surface. The third major surface forms the major surface of the electronic component, and the third major surface is in contact with the conductive layer. The plurality of outer electrodes are provided on the fourth major surface, but are not extended over the third major surface.

Abstract: A noise filter includes a plurality of stages of LC filters composed of a plurality of inductors and a plurality of capacitors. Each inductor has a bus bar, and a core member made from a magnetic body and having a tubular shape surrounding the bus bar. A power conversion device includes a power conversion main circuit, and the noise filter. The plurality of inductors are composed of: a specific bus bar, which is a first bus bar having a plate shape on a positive side and connecting an external power supply and the power conversion main circuit, or a second bus bar having a plate shape on a negative side and connecting the external power supply and the power conversion main circuit; and a plurality of core members surrounding the specific bus bar. The plurality of capacitors are provided between the first bus bar and the second bus bar.

Abstract: In a piezoelectric resonator device according to one or more embodiments, an internal space for hermetically sealing a vibrating part including a first excitation electrode and a second excitation electrode of a crystal resonator plate is formed by bonding a first sealing member and a second sealing member respectively to the crystal resonator plate. A through hole is formed in the second sealing member. A through electrode is formed along an inner wall surface of the through hole to establish conduction between an electrode formed on a first main surface and an external electrode terminal formed on a second main surface. A corrosion resistance structure to solder is formed on the through electrode that establishes conduction between the electrode and the external electrode terminal with a conductive metal other than Au.

Abstract: The present invention provides an extracted and fermented composition of coffee cherry pulp and skin having an increased ?-damascenone content and a method for producing the same. More specifically, in the method for producing an extracted and fermented composition of coffee cherry pulp and skin, a fermentation step using lactic acid bacteria is included.

Abstract: A motor driving apparatus that drives a motor includes a controller that outputs a driving signal indicating a driving amount of the motor, a driver including a plurality of inverter circuits, each of which supplies an electric current supplied from an external power supply to the motor based on the driving signal outputted from the controller, and first temperature sensors, each of which measures a temperature of a separate one of the plurality of inverter circuits. A first temperature difference is defined as the temperature of one of the inverter circuits minus the temperature of a remaining one of the inverter circuits. The controller, when the first temperature difference is equal to or greater than a predetermined difference value at a specific time point, outputs a driving signal indicating a second driving amount smaller than a first driving amount to the one of the inverter circuits.

Abstract: A through hole formed in an AT-cut crystal plate includes an inclined surface (72) that extends from a peripheral area toward a penetrating part (71) in a center part of the through hole. The inclined surface (72) includes: a first crystal surface S1 that extends from the penetrating part (71) toward the peripheral area of the through hole in a ?Z? and a +X directions; a second crystal surface S2 that extends from the penetrating part (71) toward the peripheral area of the through hole in the ?Z? and the +X directions and that contacts with the first crystal surface S1 in the +Z? and the +X directions of the first crystal surface S1; and a third crystal surface S3 that contacts with the second crystal surface S2 in the +X direction of the second crystal surface S2 and that contacts with the main surface of the AT-cut crystal plate.

Abstract: A motor drive device includes an inverter circuit, a first switching circuit to switch a path between a power supply and the inverter circuit to conduction and interruption, a second switching circuit to switch a path between the inverter circuit and the motor, a current detector to detect a current of the inverter circuit, a controller to, in a case in which a current value of the detected current is not within a predetermined range, output a command voltage which commands switching from the conduction to the interruption, a driver to boost the command voltage input from the controller and output the boosted command voltage to each switching circuit, and a delay circuit disposed between the second switching circuit and the driver to set a timing at which the command voltage is input to the second switching circuit to be later than a timing at which the command voltage is input to the first switching circuit.

Abstract: A steel material is heated and punched while tension is applied to the steel material (2) in at least one direction along a surface of the steel material between first and second portions of the steel material distant from each other with forming unit posed therebetween. The tension is applied to increase a distance between the first and second portions of the steel material by a length corresponding to an amount by which the distance between the first and second portions of the steel material thermally expands as the steel material is heated to the temperature in the step of heating and punching. The forming unit includes a first die for punching the steel material and a second die facing the first die, the first die or the second die having a forming surface having a concave curved surface.

Abstract: A motor driving apparatus that drives a motor includes a controller that outputs a driving signal indicating a driving amount of the motor, a driver including a plurality of inverter circuits, each of which supplies an electric current supplied from an external power supply to the motor based on the driving signal outputted from the controller, and first temperature sensors, each of which measures a temperature of a separate one of the plurality of inverter circuits. A first temperature difference is defined as the temperature of one of the inverter circuits minus the temperature of a remaining one of the inverter circuits The controller, when the first temperature difference is equal to or greater than a predetermined difference value at a specific time point, outputs a driving signal indicating a second driving amount smaller than a first driving amount to the one of the inverter circuits.

Abstract: A motor drive apparatus includes a control assembly that controls driving of a motor. The control assembly includes a controller that outputs a drive signal instructing a drive amount of the motor, a drive that supplies electric current, supplied from an external power supply, to the motor based on the drive signal output from the controller, a current detector that detects electric current flowing through the drive unit, and a first temperature detector that detects temperature of the drive unit. The control assembly calculates a heat storage amount stored in the control assembly at a predetermined cycle, and when the calculated heat storage amount is larger than a predetermined threshold, the control assembly outputs the drive signal that instructs a drive amount smaller than the drive amount at the time of calculation.

Abstract: The present invention provides a foil bearing (10), including: a top foil portion (Tf); and a back foil portion (Bf), which is arranged on a back of the top foil portion (Tf), and is configured to elastically support the top foil portion (Tf), wherein the back foil portion (Bf) includes: an intermediate portion (23) being flat; first projecting portions (21) projecting on a front side of the intermediate portion (23); and second projecting portions (22) projecting on a back side of the intermediate portion (23).

Abstract: A motor drive device includes an inverter circuit, a first switching circuit to switch a path between a power supply and the inverter circuit to conduction and interruption, a second switching circuit to switch a path between the inverter circuit and the motor, a current detector to detect a current of the inverter circuit, a controller to, in a case in which a current value of the detected current is not within a predetermined range, output a command voltage which commands switching from the conduction to the interruption, a driver to boost the command voltage input from the controller and output the boosted command voltage to each switching circuit, and a delay circuit disposed between the second switching circuit and the driver to set a timing at which the command voltage is input to the second switching circuit to be later than a timing at which the command voltage is input to the first switching circuit.

Abstract: An electrode roll drying device includes a drying oven housing an electrode roll, an outer-side heater configured to heat the electrode roll, an axial-side heater configured to heat the electrode roll, a pressure reducer configured to reduce internal pressure of the drying oven, a sensor configured to detect a temperature of an outermost portion of the electrode roll, and a control unit configured to control operation of the outer-side heater, the axial-side heater, and the pressure reducer. The control unit is configured to operate the outer-side heater and the axial-side heater to heat the electrode roll from the outer-side and winding core side, and, when the temperature of an outermost portion reaches a target temperature, stop operation of the outer-side heater, operate the pressure reducer to reduce the pressure within the drying oven, and carry out the heating by the axial-side heater and the pressure reduction by the pressure reducer.

Abstract: A foil bearing (40) includes foils (42) at a plurality of portions in a rotation direction of a shaft member (11). A top foil portion (Tf) including a bearing surface (S2) is formed in a region including a front end (421) of each of the foils (42), and a back foil portion (Bf) is formed in a region including a rear end (422) of each of the foils (42). A gap (C1) is secured between, of two of the foils adjacent to the foil (42) in a rotation direction (R) and a direction opposite to the rotation direction, the rear end (422) of the foil on the rotation direction side and the front end (421) of the foil on the side opposite to the rotation direction side. A width of the gap (C1) is set to be non-uniform in a direction (N) orthogonal to the rotation direction.

Abstract: A foil bearing includes a foil holder and a plurality of foils fixed to the foil holder and arrayed in a circumferential direction. Each of the foils includes a top foil portion having a bearing surface, an extending portion formed on one circumferential side of the top foil portion, an underfoil portion formed on another circumferential side of the top foil portion, and an insertion slot formed between the top foil portion and the underfoil portion in the circumferential direction. The insertion slot includes a positioning portion and a wide portion that is larger in circumferential width than the positioning portion and is opened to an end portion of each of the foils. An edge of the top foil portion, which is opposed to the wide portion, retreats toward the one circumferential side with respect to an edge opposed to the positioning portion.

Abstract: A thrust foil bearing (20) includes a foil holder (21) and a plurality of foils (22). Each of the foils (22) includes: a top foil portion (22a); an extending portion (22b); and an underfoil portion (22c). The extending portion (22b) of the each of the foils (22) is arranged behind another of the foils (22) that is adjacent to the each of the foils (22) on the one circumferential side. The underfoil portion (22c) of the each of the foils (22) is arranged between the top foil portion (22a) of the another of the foils (22), which is adjacent to the each of the foils (22) on another circumferential side, and the end surface (21a) of the foil holder (21).