Abstract: A garment with electrodes includes a different electrode disposed in the vicinity of a left shoulder of a garment on a lining of a back body of the garment so as to be in contact with an inclined surface of a raised portion of a left shoulder blade of a back of a subject to be measured; an indifferent electrode disposed in the vicinity of a right shoulder of the garment so as to be in contact with an inclined surface of a raised portion of a right shoulder blade of the back of the subject to be measured; a wiring part connected to each of the different electrode and the indifferent electrode; and a controller connected to the wiring part.

Abstract: Relay terminals each transmit to a control device a packet received from a wireless sensor and a reception strength for short range wireless communication detected when receiving the packet, and return a response to the packet to a transmission source wireless sensor from which the packet is transmitted only when a response instruction is issued from the control device, and the control device compares reception strengths for a same packet that is transmitted from a same wireless sensor and received by each of the plurality of relay terminals among the reception strengths received from the relay terminals, transmits the response instruction only to one target relay terminal with the highest reception strength, and performs relay transfer of sensor data stored in a packet received by the target relay terminal to a host apparatus.

Abstract: A method includes a first acquisition step of acquiring exercise intensity of exercise done by a target person, a second acquisition step of acquiring an electrocardiographic waveform of the target person who does the exercise, a third acquisition step of acquiring a predetermined feature amount from the acquired electrocardiographic waveform, and an estimation step of estimating an AT of the target person based on a relationship between the predetermined feature amount and the acquired exercise intensity. The estimation step includes a step of estimating the AT of the target person based on exercise intensity corresponding to an inflection point in a change of the predetermined feature amount with respect to the acquired exercise intensity.

Abstract: A wearable environmental sensor is configured to measure environmental information regarding a place where the device is worn, and includes a black-bulb temperature sensor including a black bulb and a temperature sensor for measuring internal temperature in the black bulb, the black-bulb temperature sensor being in a housing, wherein the black bulb includes an insertion hole into which the temperature sensor is inserted, the black bulb includes a weld portion welded to the housing, in an outer-circumferential portion of the bottom surface, the black bulb includes a guide portion in an outer-circumferential portion around the insertion hole, the housing includes an insertion opening into which the guide portion of the black bulb is inserted, the housing includes a protruding portion at an outer-circumferential portion around the insertion opening, and the guide portion is supported by the protruding portion.

Abstract: Each of relay terminals transmits a wireless packet received from a wireless sensor and a reception strength of Bluetooth wireless communication to a control device using a first HCI packet, and returns a response to the wireless packet to a source wireless sensor, which is a source of the wireless packet, only when a second HCI packet is received from the control device. The control device compares the reception strengths, among the reception strengths received through the first HCI packets from the relay terminals, that pertain to the same packet transmitted from the same wireless sensor and received by the plurality of relay terminals, transmits the second HCI packet only to one target relay terminal having the highest reception strength, and relays the sensor data stored in the target relay device to a host device.

Abstract: A wearable sensor device includes a temperature and humidity sensor that measures ambient environmental information around a living body. The temperature and humidity sensor is provided on an outer wall surface of a housing or provided to be separated from the outer wall surface. The outer wall surface of the housing faces a left or right side or diagonally downward when the wearable sensor device is attached to the living body and the living body is in a standing posture.

Abstract: A wearable sensor device includes a temperature and humidity sensor that measures ambient environmental information around a living body, a snap button connected to a bioelectrode, a biological information measurement unit that measures biological information, an inertial sensor that measures inertial information, a calculation unit that calculates a biological feature amount based on the biological information and calculates an inertial feature amount based on the inertial information, and a wireless communication unit that transmits the biological information, the inertial information, the biological feature amount, the inertial feature amount, and the environmental information to the outside.

Abstract: A bioelectrode includes an annular sheet that is annular in a plan view, an annular metal-made wiring formed on the annular sheet, a conductive sheet formed on the wiring, a connection wiring, and an adhesive layer formed so as to cover the conductive sheet. The bioelectrode can be attached, via the adhesive layer, onto the back surface of a garment. The annular sheet is configured by a material with insulation, waterproofness, and flexibility and has an opening at a central part thereof. The conductive sheet is formed on and in contact with the wiring, and is electrically connected to the wiring. Further, the conductive sheet is formed on the annular sheet so as to cover the wiring and close the opening.

Abstract: Relay terminals each transmit to a control device a packet received from a wireless sensor and a reception strength for short range wireless communication detected when receiving the packet, and return a response to the packet to a transmission source wireless sensor from which the packet is transmitted only when a response instruction is issued from the control device, and the control device compares reception strengths for a same packet that is transmitted from a same wireless sensor and received by each of the plurality of relay terminals among the reception strengths received from the relay terminals, transmits the response instruction only to one target relay terminal with the highest reception strength, and performs relay transfer of sensor data stored in a packet received by the target relay terminal to a host apparatus.

Abstract: In an embodiment, a biometric sensor includes: a substrate; an electrode connected to the substrate, the electrode configured to detect a biometric signal from a living body; a signal processor mounted on the substrate, the signal processor configured to process the biometric signal detected by the electrode to extract biometric information of the living body; a first wiring mounted on the substrate, the first wiring configured to send the biometric signal detected by the electrode to the signal processor; a power supply mounted on the substrate, the power supply configured to supply power to the signal processor; a second wiring mounted on the substrate, the second wiring configured to supply the power from the power supply to the signal processor; and an adhesive member on at least a portion of surfaces of the electrode and the substrate that adhere to clothes to be worn by the living body.

Abstract: An exercise intensity estimation apparatus includes an RS wave calculation unit configured to calculate an RS amplitude from a peak value of an R wave to a peak value of an S wave in an ECG waveform of a target person, a T wave calculation unit configured to calculate an amplitude of a T wave of the ECG waveform, a heart rate calculation unit configured to calculate a heart rate from the ECG waveform, an index calculation unit configured to calculate, as a first index indicating exercise intensity of the target person, the amplitude of the T wave normalized by the RS amplitude, and an index calculation unit configured to calculate, as a second index indicating the exercise intensity of the target person, a value obtained by multiplying the first index by the heart rate.

Abstract: A wearable sensor includes: a base member which is worn on a body of a wearer; a hole-like flow passage which penetrates through the base member; a sensor part which detects a signal as to electrical characteristics of a solution inside the flow passage; and a heater which is located in the base member in such a way as to enclose the flow passage.

Abstract: The fatigue degree estimation device includes: an R-wave detection unit that detects an R-wave from an electrocardiogram waveform of a subject; an R-R interval calculation unit that calculates an R-R interval which is a time interval between the R-wave detected by the R-wave detection unit and an immediately preceding R-wave; a difference calculation unit that calculates a difference between the R-R intervals away from each other by a certain heart rate; a percentage calculation unit that calculates a percentage of an absolute value of the difference between the R-R intervals exceeding a certain value in a target period of fatigue degree estimation; and a fatigue degree estimation unit that estimates a fatigue degree of the subject based on the percentage.

Abstract: A method includes a first acquisition step of acquiring exercise intensity of exercise done by a target person, a second acquisition step of acquiring an electrocardiographic waveform of the target person who does the exercise, a third acquisition step of acquiring a predetermined feature amount from the acquired electrocardiographic waveform, and an estimation step of estimating an AT of the target person based on a relationship between the predetermined feature amount and the acquired exercise intensity. The estimation step includes a step of estimating the AT of the target person based on exercise intensity corresponding to an inflection point in a change of the predetermined feature amount with respect to the acquired exercise intensity.

Abstract: An exercise intensity estimation apparatus includes an RS wave calculation unit configured to calculate an RS amplitude from a peak value of an R wave to a peak value of an S wave in an ECG waveform of a target person, a T wave calculation unit configured to calculate an amplitude of a T wave of the ECG waveform, a heart rate calculation unit configured to calculate a heart rate from the ECG waveform, an index calculation unit configured to calculate, as a first index indicating exercise intensity of the target person, the amplitude of the T wave normalized by the RS amplitude, and an index calculation unit configured to calculate, as a second index indicating the exercise intensity of the target person, a value obtained by multiplying the first index by the heart rate.

Abstract: A method includes a first acquisition step of acquiring a heart rate of a target person who does exercise, a second acquisition step of acquiring an electrocardiographic waveform of the target person who does the exercise, a third acquisition step of acquiring a predetermined feature amount from the acquired electrocardiographic waveform, and an estimation step of estimating a maximum heart rate of the target person based on a relationship between the predetermined feature amount and the acquired heart rate. In the estimation step, the maximum heart rate of the target person is estimated based on a heart rate corresponding to an inflection point in a change of the predetermined feature amount with respect to the acquired heart rate.

Abstract: A biological tissue equivalent phantom unit to be used by the specific absorption rate measuring system for evaluating absorption of electromagnetic wave energy includes a biological tissue equivalent phantom for absorbing an electromagnetic wave. In addition, two or more electro-optical crystals are arranged at two or more measurement points in the biological tissue equivalent phantom. The electro-optical crystals have a dielectric constant that is approximately equal to that of the biological tissue equivalent phantom. Two or more optical fibers are laid in the biological tissue equivalent phantom for optically connecting each of the electro-optical crystals to an external destination.

Abstract: The button apparatus is an apparatus provided for, for example, a vending machine and to be touched and pressed with the body of a user who wants to purchase a commodity from the vending machine. By pressing down the button apparatus, the user can purchase a required commodity from the vending machine. The button apparatus has a conductive pusher, an insulator, a switch, and a transceiver. A user wearing a wearable computer and a user's transceiver touches and presses down the pusher, to separately establish communication between the transceiver and the user's transceiver through the conductive pusher and the body of the user, as well as communication of providing a press signal.

Abstract: A biological tissue equivalent phantom unit to be used by the specific absorption rate measuring system for evaluating absorption of electromagnetic wave energy includes a biological tissue equivalent phantom for absorbing an electromagnetic wave. In addition, two or more electro-optical crystals are arranged at two or more measurement points in the biological tissue equivalent phantom. The electro-optical crystals have a dielectric constant that is approximately equal to that of the biological tissue equivalent phantom. Two or more optical fibers are laid in the biological tissue equivalent phantom for optically connecting each of the electro-optical crystals to an external destination.

Abstract: A specific absorption rate measuring system, a method thereof, and a biological tissue equivalent phantom unit are disclosed. The biological tissue equivalent phantom unit to be used by the specific absorption rate measuring system for evaluating absorption of electromagnetic wave energy includes a biological tissue equivalent phantom for absorbing an electromagnetic wave; two or more electro-optical crystals that are arranged at two or more measurement points in the biological tissue equivalent phantom, the electro-optical crystals having a dielectric constant that is approximately equal to that of the biological tissue equivalent phantom; and two or more optical fibers laid in the biological tissue equivalent phantom for optically connecting each of the electro-optical crystals to an external destination.