Abstract: A secondary-battery monitoring device includes: a use-state memory device that stores a transition of a load parameter indicating a use state of a secondary battery; and a battery capacity prediction device that predicts a temporal change of a battery capacity of the secondary battery on the basis of a prediction function. The prediction function is derived from a relation between growth of a film formed in an electrode surface of the secondary battery and a reduction of a precursor component of the film which is contained in an electrolyte of the secondary battery. The battery capacity prediction device determines a coefficient of the prediction function on the basis of the transition of the load parameter which is stored in the use-state memory device, and predicts the temporal change of the battery capacity of the secondary battery on the basis of the prediction function which uses the coefficient.

Abstract: In a battery system that connects a plurality of types of batteries through a switch SW, when the switch SW is switched at a voltage (charge rate), it has been possible to increase a stored charge during charging, depending on the DC resistance of the battery. An object of the present invention is to provide switch SW switching control so that the stored charge can further be increased. A first feature of the present invention is to provide a battery system in which a first battery and a second battery are connected in parallel through the switch SW, including an estimator which estimates the charging current by measuring the resistance and OCV of each battery. The battery system can further increase the stored charge by switching to a switch SW combination that can increase the stored charge.

Abstract: In an exemplary embodiment, a connection device includes a cable unit, first and second connector units, and a circuit board. The first connector unit is provided at a first end of the cable unit and is connectable to a host device. The second connector unit is provided at a second end of the cable unit and is connectable to a terminal device. The circuit board includes a control unit and is provided in one of the first and second connector units. The control unit includes a storage unit and a management unit. The storage unit stores operation data indicating operation content of the connection device. The management unit manages the operation data, and changes the operation data on the basis of instruction data received from the host device if the connection device is connected to the host device and the terminal device.

Abstract: An optical component including an optical device, a substrate, and a lens component is disclosed. The substrate has a mounting surface on which the optical device is mounted and at least two reference marks are provided. The lens component is disposed on the substrate. The lens component includes a first surface, a second surface, a lens, at least two first transmission regions formed on the first surface, and at least two second transmission regions formed in positions facing the first transmission regions on the second surface. Each of the second transmission regions is smaller than the corresponding first transmission region. The lens component is attached to the substrate so that each of the second transmission regions is located within the corresponding first transmission region and each of the reference marks is located within the corresponding second transmission region when viewed along an observation direction orthogonal to the first surface.

Abstract: An optical fiber cable is disclosed. The optical fiber cable comprises an optical cable including optical fibers and a sheath where the optical fibers are arranged in a first array, and a holder. The optical fibers have first extending parts that extend outside from the sheath, and second extending parts that extends from the first extending parts to the tips of the optical fibers. The holder comprises a first portion that houses therein transition portions where the first extending parts transitions from the first array to a second array, and a second portion that holds parts of the first extending parts in the second array. The second portion is configured to hold the first extending parts in a manner such that a mutual positional relationship among the second extending parts keeps the same state as a mutual positional relationship among the first extending parts at the second portion.

Abstract: An optical coupling member that includes a main body and an electrode is disclosed. The main body consists essentially of glass. The main body comprises a first surface, a second surface opposite to the first surface, and a plurality of holes or grooves each extending from the second surface toward the first surface. The electrode is disposed on the first surface of the main body. An optical module that includes the optical coupling member and an optical device is also disclosed. The optical device is disposed on the first surface of the main body so as to face the plurality of holes or grooves.

Abstract: A secondary battery system capable of acquiring an SOC of a battery with a simple computation without acquiring battery characteristics is to be provided. The secondary battery system according to the present invention is adapted to acquire a momentary SOC (charging SOC) by obtaining an initial value of an SOC from a CCV acquired during a charging period and adding an integrated value of a charge or discharge current to the initial value of the SOC, acquire a momentary SOC (discharging SOC) by obtaining an initial value of an SOC from a CCV acquired during a discharging period and adding an integrated value of a charge or discharge current to the initial value of the SOC, and acquire an SOC close to a true value by averaging the charging SOC and the discharging SOC.

Abstract: A photoelectric composite cable includes an optical fiber unit including at least one optical fiber and a cylindrical member, the cylindrical member including a resin tape wrapped to cover a periphery of the optical fiber, the resin tape being loosely wrapped with respect to the optical fiber, a plurality of electric wires arranged on an outer side of the cylindrical member, and a sheath covering outer peripheries of the optical fiber unit and the electric wires.

Abstract: Provided are headphones with left and right sliders in linkage with each other. The headphones includes: a head band; a first slider that is provided on one end side of the head band and slides with respect to the head band; a second slider that is provided on the other end side of the head band and slides with respect to the head band; a connecting portion that connects the first slider and the second slider and slides the second slider in linkage with a slide operation of the first slider; and a pair of housings that are provided on the first slide portion and the second slide portion, respectively, and each house a sound output unit.

Abstract: In an exemplary embodiment, a connection device includes a cable unit, first and second connector units, and a circuit board. The first connector unit is provided at a first end of the cable unit and is connectable to a host device. The second connector unit is provided at a second end of the cable unit and is connectable to a terminal device. The circuit board includes a control unit and is provided in one of the first and second connector units. The control unit includes a storage unit and a management unit. The storage unit stores operation data indicating operation content of the connection device. The management unit manages the operation data, and changes the operation data on the basis of instruction data received from the host device if the connection device is connected to the host device and the terminal device.

Abstract: A semiconductor integrated circuit is capable of being supplied with battery current information and battery voltage information. The semiconductor integrated circuit includes a memory function, a current integrating function, a voltage-based state of charge operating function, a current-based state of charge operating function, a comparison determination function, a correcting function, and a resistance deterioration coefficient output function. The memory function stores the relation between a state of charge of a battery and an internal resistance deterioration coefficient thereof. The full charge capacity outputted from the correcting function and the internal resistance deterioration coefficient outputted from the resistance deterioration coefficient output function are stored in the memory function when a voltage-based state of charge and a current-based state of charge compared by the comparison determination function are determined to substantially coincide with each other.

Abstract: A semiconductor integrated circuit is capable of being supplied with battery current information and battery voltage information. The semiconductor integrated circuit includes a memory function, a current integrating function, a voltage-based state of charge operating function, a current-based state of charge operating function, a comparison determination function, a correcting function, and a resistance deterioration coefficient output function. The memory function stores the relation between a state of charge of a battery and an internal resistance deterioration coefficient thereof. The full charge capacity outputted from the correcting function and the internal resistance deterioration coefficient outputted from the resistance deterioration coefficient output function are stored in the memory function when a voltage-based state of charge and a current-based state of charge compared by the comparison determination function are determined to substantially coincide with each other.

Abstract: A biometric authentication system includes an information terminal having ID information, an acquisition terminal that acquires biometric information, and an authentication processing apparatus. The processing apparatus includes: a first part that acquires the ID and location information on the information terminal; a second part that communicates with the acquisition terminal to acquire the biometric information; a first storage part for storing an indication that the information terminal is located within a predetermined range; a second storage part that stores the ID and biometric reference information; and a controller.

Abstract: Construction machine including: an inverter; a battery; a battery controller; a main controller controlling the inverter based on limited power modes prescribed; and a display device displaying a remaining battery electric power. The main controller calculates open circuit voltage and battery resistance values of the battery at the state of energy of the battery based on the specification information about the battery and state of energy of the battery which are input from the battery controller, calculates an amount of electric power stored in the battery in each of the limited power modes based on the open circuit voltage value and battery resistance value of the battery as well as limited power and operating voltage prescribed for each of the limited power modes, and outputs a display signal for displaying the amount of electric power stored in the battery in each of the limited power.

Abstract: A battery system includes a plurality of battery packs connected in parallel each including a switch and a battery connected to the switch in series and a battery state determining unit determining a state of the battery. The battery state determining unit includes a disconnection determining unit controlling disconnection of the switch and a switch controller controlling open and close of the switch in accordance with a result of determining the state. The disconnection determining unit calculates allowable stop and demanded stop periods of the battery packs on the basis of the past data, season data, and allowable currents of the batteries and transmits data to the switch controller when the demanded stop period is smaller than the allowable stop period, and the switch controller makes the switch in an open state.

Abstract: Provided are headphones with left and right sliders in linkage with each other. The headphones includes: a head band; a first slider that is provided on one end side of the head band and slides with respect to the head band; a second slider that is provided on the other end side of the head band and slides with respect to the head band; a connecting portion that connects the first slider and the second slider and slides the second slider in linkage with a slide operation of the first slider; and a pair of housings that are provided on the first slide portion and the second slide portion, respectively, and each house a sound output unit.

Abstract: In a battery system that connects a plurality of types of batteries through a switch SW, when the switch SW is switched at a voltage (charge rate), it has been possible to increase a stored charge during charging, depending on the DC resistance of the battery. An object of the present invention is to provide switch SW switching control so that the stored charge can further be increased. A first feature of the present invention is to provide a battery system in which a first battery and a second battery are connected in parallel through the switch SW, including an estimator which estimates the charging current by measuring the resistance and OCV of each battery. The battery system can further increase the stored charge by switching to a switch SW combination that can increase the stored charge.

Abstract: A secondary-battery monitoring device includes: a use-state memory device that stores a transition of a load parameter indicating a use state of a secondary battery; and a battery capacity prediction device that predicts a temporal change of a battery capacity of the secondary battery on the basis of a prediction function. The prediction function is derived from a relation between growth of a film formed in an electrode surface of the secondary battery and a reduction of a precursor component of the film which is contained in an electrolyte of the secondary battery. The battery capacity prediction device determines a coefficient of the prediction function on the basis of the transition of the load parameter which is stored in the use-state memory device, and predicts the temporal change of the battery capacity of the secondary battery on the basis of the prediction function which uses the coefficient.

Abstract: A drive control device for two semiconductor elements having a transistor structure and a diode structure with a common energization electrode includes: a current detection device outputting a current detection signal of the semiconductor elements; and a first control device outputting a gate drive signal from when a first time period has elapsed from a starting time to when a second time period has elapsed from the starting time, at which an off-command signal is input after it is determined that a current flows through the semiconductor elements in a forward direction of the diode structure during a time period for which an on-command signal is input to the semiconductor elements. The first and the second time periods are preliminary set not to generate an arm short-circuit between two semiconductor elements.