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 first calculation unit calculates the heart rate of a subject from a plurality of instantaneous heart rates by averaging processing with an IIR filter using a first coefficient. Note that the first coefficient is a numerical value less than 1, and is a fixed value. A second calculation unit calculates the heart rate of the subject from the plurality of instantaneous heart rates by averaging processing with an IIR filter using a second coefficient. The second coefficient is a numerical value less than 1, and is a variable value. A switching unit switches between the first calculation unit and the second calculation unit based on a difference between the precedingly calculated heart rate and a latest instantaneous heart rate.

Abstract: A data analysis system includes relay apparatuses for communicating with a wireless terminal in a communication area of the relay apparatus, and a data analysis apparatus connected to the relay apparatuses through a communication network for analyzing data regarding the wireless terminal, wherein each relay apparatus includes a determiner for determining whether the wireless terminal is present in the communication area at fixed time intervals, a time imparter for imparting a time at which the determination is performed to a determination result, and a transmitter and receptor for transmitting the determination result to the data analysis apparatus with the imparted time, and the data analysis apparatus includes a transmitter and receptor for receiving the determination result and the imparted time, an analyzer for analyzing information on the wireless terminal at each time based on the time and the determination result, and a display for displaying an analysis result.

Abstract: A long-term care support device includes: a sensor data acquisition device that acquires biological information of a user that was measured by a sensor; a sleep stage detection device that detects a sleep stage of the user based on the acquired biological information; a timing determination device that determines that it is time to change the position of the user if the sleep stage of the user is the deep sleep stage; and a notification device that, if the timing determination device determined that it is time to change the position of the user, gives a notification to such effect

Abstract: A heartbeat detection device including a time difference value calculation unit to calculate a time difference value from a sampling data string of an electrocardiographic waveform of a living body, an index value calculation unit to calculate an index value for heartbeat detection based on the time difference value, a threshold setting unit to determine whether a peak of the index value exceeding a threshold can be detected, to calculate, a threshold candidate based on an average value of the predetermined number of the most recent peaks among these peaks. A threshold candidate is set as a new threshold when the threshold candidate has a value equal to or less than a threshold limit value. A heartbeat time determination unit sets the sampling time of the peak as the heartbeat time when the peak of the index value exceeding the threshold is detected.

Abstract: A rehabilitation support system includes: a sensor data acquirer that acquires sensor data that includes biometric information of a user measured by a sensor; a state calculator that obtains a state of the user based on the sensor data thus acquired; a predictor that predicts the state of the user based on the state of the user obtained by the state calculator; a storage unit that stores support information that is to be presented as information that supports rehabilitation; a selection unit that selects the support information stored in the storage unit, based on the state of the user predicted by the predictor; and a presentation unit that presents the support information selected by the selection unit.

Abstract: There is provided a respiration estimation method. The respiration estimation method includes a first step (S107) of estimating a breathing rate of a subject based on each of a time-series signal of first data relating to a cardiac function of the subject and a time-series signal of second data relating to an acceleration by a respiratory motion of the subject, a second step (S108) of estimating a breathing rate obtained by filtering noise using a Kalman filter for each of the breathing rate estimated based on the first data and the breathing rate estimated based on the second data, and a third step (S109) of executing weighted averaging processing for the plurality of estimated values of the breathing rates obtained in the second step.

Abstract: An embodiment activity state analysis device includes a measurement unit configured to measure a piece of biological information including a heart rate or a pulse rate of a user, a storage unit configured to store a plurality of the pieces of biological information measured in time series, a representative value calculation unit configured to acquire the plurality of the pieces of biological information measured when the user is resting from the storage unit and calculate a representative value, and an activity state calculation unit configured to calculate an activity state of the user by using the representative value calculated by the representative value calculation unit.

Abstract: The present invention pertains to a seat slide device having: a lower rail fixed above a floor and extending in one direction; an upper rail connected to a seat and capable of moving along the lower rail; a drive pulley connected to a drive source and attached to the seat or the upper rail; an ended belt wound on the drive pulley so that one surface contacts the drive pulley, both ends of the ended belt being fixed to the floor or the lower rail; and a first and second pressing member attached to a position on the floor side of the seat or the upper rail closer than the drive pulley, each pressing member contacting the other surface of the ended belt, and the first pressing member, the drive pulley, and the second pressing member being disposed in the stated order along the one direction.

Abstract: A biological information analysis apparatus includes a sensor data acquisition unit that acquires biological information of a user measured by a sensor, a storage unit that stores time-series data for the acquired biological information of the user, and an analysis unit that calculates statistical representative values of the time-series data for the biological information stored in the storage unit in a stepwise manner. The analysis unit includes a first calculation unit that calculates first representative values (intermediate representative values) from the time-series data for the biological information stored in the storage unit at intervals of a set period, and a second calculation unit that calculates a second representative value (a final representative value) from one intermediate representative value or multiple consecutive intermediate representative values.

Abstract: A biological information analysis apparatus includes a sensor data acquirer that acquires biological information of a user measured by a sensor, a data analyzer that analyzes time-series data for the biological information over a plurality of time intervals and, from multiple pieces of biological information that were acquired at mutually corresponding times of measurement in respective ones of the plurality of time intervals, calculates representative values for the multiple pieces of biological information, a measurement anomaly detector that detects an anomaly contained in the measured biological information based on time-series data with the representative values calculated by the data analyzer or on the time-series data for the multiple pieces of biological information that was used in calculation of the time-series data with the representative values, and a presenter that outputs the calculated representative values for the multiple pieces of biological information and information indicating the detecte

Abstract: A biological information analysis device includes a sensor data acquisition unit that acquires the biological information measured by a sensor and a data analysis unit that analyzes time-series data of the biological information over a plurality of times periods to calculate, from a plurality of biological information sets acquired at the mutually corresponding measurement times in the plurality of individual time periods, a representative value of the plurality of biological information sets.

Abstract: There is provided a respiration estimation apparatus.

Abstract: A first calculation unit obtains an activity amount concerning the body movement of a measurement subject from a change in physical information measured by a physical measurement unit. A second calculation unit obtains a physiological load imposed on the measurement subject from a change in physiological information measured by a physiological measurement unit. A graph generation unit generates a graph concerning the activity amount obtained by the first calculation unit and the physiological load obtained by the second calculation unit. For example, the graph generation unit sets, as a first parameter, a change in the activity amount obtained by the first calculation unit, sets, as a second parameter, a change in the physiological load obtained by the second calculation unit, and generates two-dimensional graph data with the first parameter and the second parameter.

Abstract: A method for a data analysis system includes measuring, by a sensor terminal of the data analysis system, sensor data; receiving, by a teacher data input terminal of the data analysis system, teacher data input into the teacher data input terminal; and generating, a server by the data analysis system, a classifier according to learning through the sensor data and the teacher data. The sensor terminal transmits the sensor data to the server, receives the classifier generated by the server, analyzes the sensor data according to the classifier, and transmits an analysis result of the analyzing the sensor data to the server. The teacher data input terminal transmits the teacher data to the server. The server generates the classifier, analyzes the sensor data according to the classifier, transmits the classifier to the sensor terminal, and receives the analysis result from the sensor terminal.

Abstract: A seat slider device may include a lower rail attachable to a body of a vehicle; a belt arranged along a longitudinal direction of the lower rail and having both ends thereof fixed; and an upper rail attachable to a seat, slidably engaging with the lower rail, and including an actuator configured to feed the belt. The actuator may be configured to apply a drive force on a lower surface of the belt.

Abstract: There is provided a heartbeat detection device. The heartbeat detection device includes a time difference value calculation unit (3) configured to calculate a time difference value of sampling data of an electrocardiographic waveform, FIFO buffers (4-1, 4-2) configured to receive the time difference value, a FIFO buffer (4-3) configured to receive an output from the FIFO buffer (4-2), a FIFO buffer (4-4) configured to receive an output from the FIFO buffer (4-3), a minimum value detection unit (5) configured to detect, for each sampling time, a minimum value M out of the time difference value stored in the FIFO buffer (4-2) and the time difference value stored in the FIFO buffer (4-4), and a heartbeat time determination unit (6) configured to set, when a difference value M?a between the minimum value M and an output value a of the FIFO buffer (4-1) is equal to or greater than a threshold, sampling time of the output value a as heartbeat time.

Abstract: There is provided a biological signal processing apparatus. The biological signal processing apparatus includes a biological signal extraction unit (2) configured to extract a biological signal from an electrocardiographic waveform measured by an electrocardiograph (1), an averaging processing unit (3) configured to calculate averaged data using time-series data of the biological signals extracted by the biological signal extraction unit (2), an abnormal value determination unit (4) configured to determine, for each data, whether the data of the biological signal extracted by the biological signal extraction unit (2) is appropriate, based on the averaged data calculated using the data of the biological signals that have occurred before the data, and an abnormal value processing unit (5) configured to perform one of deletion and interpolation of the data of the biological signal determined to be inappropriate by the abnormal value determination unit (4).

Abstract: A first calculation unit calculates the heart rate of a subject from a plurality of instantaneous heart rates by averaging processing with an IIR filter using a first coefficient. Note that the first coefficient is a numerical value less than 1, and is a fixed value. A second calculation unit calculates the heart rate of the subject from the plurality of instantaneous heart rates by averaging processing with an IIR filter using a second coefficient. The second coefficient is a numerical value less than 1, and is a variable value. A switching unit switches between the first calculation unit and the second calculation unit based on a difference between the precedingly calculated heart rate and a latest instantaneous heart rate.

Abstract: In a biological signal measurement system of this invention, biological digital data is generated from a biological signal measured by a biological signal measurement apparatus, and first feature amount data extracted from the biological digital data and downsized biological digital data are transmitted to a portable terminal. In a biological information measurement apparatus of this invention, biological feature amount data is extracted from measured biological waveform data, and at least one of the biological waveform data and the biological feature amount data is transmitted to an external device. It is possible to provide a biological signal measurement system capable of continuously measuring a biological signal for a long time without disturbing daily life and provide a biological information measurement apparatus capable of implementing downsizing and long life of a battery.