Fujitsu Corporation

Fujitsu Media Devices Limited

Takayuki Yamaji

Masanori Ueda

Hiroyuki Fujita

Shogo Inoue

Osamu Kawachi

Hirohisa Naito

Satoshi Sano

Yasuhiko Nakano

Yasufumi Kaneda

Motoyuki Tajima

Seiki Ishii

Kiyoshi Kawano

A non-transitory computer-readable recording medium records a display program for causing a computer to perform processes of: acquiring data about a space in which a subject sleeps, the data having been detected by a first sensor installed in the space; and displaying a zone including a sleep zone, a first zone before sleep onset, and a second zone after awakening of the subject in a different mode from other zones, when chronologically displaying suitability of the space as a sleep environment on a basis of the acquired data.

Computer-readable recording medium recording display program for determining length of first time period before sleep onset, display method for determining length of first time period before sleep onset, and information processing device for determining length of first time period before sleep onset

A non-transitory computer-readable recording medium records a display program for causing a computer to perform processes of: acquiring data about a space in which a subject sleeps, the data having been detected by a first sensor installed in the space; and, to evaluate and chronologically display suitability of the space as a sleep environment on a basis of the acquired data, switching suitability evaluation criteria before or after a time relating to a sunrise or a sunset when the time is included in a sleep zone of the subject.

Computer-readable recording medium recording display program, display method, and information processing device

A device for biorhythm detection, includes: a memory; and a processor coupled to the memory and configured to perform operations of: acquiring activity amount data indicating an amount of activity of a test subject which is measured by an activity amount meter configured to measure the amount of activity of the test subject; and detecting, as a frequency derived from a biorhythm of the test subject, a frequency that indicates peak power in a result which is obtained through frequency analysis of a first time waveform of the activity amount data.

Device for biorhythm detection, method for biorhythm detection, and recording medium recording program for biorhythm detection

An information processing device includes: a processor configured to: acquire time series data relating to at least one of acceleration, amounts of activity of a subject whose sleep is to be evaluated, and body positions of the subject, the time series data being measured by a sensor device that the subject wears; obtain a result of evaluation by analyzing a state of the subject that relates to sleep in each of three sections which are obtained by dividing an evaluation period from a getting-into-bed time point or a first onset-of-sleep time point after getting into bed that is specified by the time-series data until a getting-out-of-bed time point or a last waking time point before getting out of bed; and output the result of evaluation so as to identify that the result corresponds to any one of the three sections.

Information processing device, information processing method, and recording medium

A bed includes a frame installed horizontally with respect to a floor, a plate installed over the frame and having an end portion that is inclined upward with respect to the frame, an arm that supports the plate over the lower side of the plate, and a sensor attached to the arm.

Bed with an arm and sensor assembly

Disclosed is an information processing method executed by a computer. The information processing method includes identifying a sleep onset time and an awakening time based on time series data relating to an activity status of a user; calculating a first midpoint at which an interval between the sleep onset time and the awakening time is evenly divided into two; and outputting information indicating a time at the calculated first midpoint.

Information processing method and information processing apparatus

A target frequency band to be processed in a detected signal of a heartbeat sensor is controlled according to a detected signal of an inertial sensor.

Sensor information processing apparatus

An air conditioner includes a first Doppler sensor that transmits a first electric wave of first power, a second Doppler sensor that transmits a second electric wave of second power less than the first power, and a controller that controls an operation of the air conditioner on the basis of a detection signal of the first Doppler sensor and a detection signal of the second Doppler sensor.

Air conditioner, sensor unit, and control system

A disclosed state display method includes: determining which of a first period and a second period is dominant in a designated period based on chronological measurement results of vital activities of a subject in the designated period, the first period being a period that has been determined that the subject is in a sleep state, the second period being a period that has been determined that the subject is in a non-sleep state; and changing configuration of a display screen that displays information related to states of the subject in the designated period according to a result of the determining.

Method and apparatus for displaying states

A disclosed state display method includes: obtaining measurement results of vital activities of a subject; and displaying temporal transition of states of the subject by a one-dimensional heat map based on the measurement results. And the displaying includes: first displaying, in association with a first period in which the measurement results represent a sleep state, a first color that represents a depth of sleep by shading and has a first hue corresponding to the sleep state; and second displaying, in association with a second period in which the measurement results represent a non-sleep state, a second color that represents an intensity of an activity by the shading and has a second hue corresponding to the non-sleep state.

A sensor mounting bracket includes: a first plate portion, a second plate portion, and a coupling element coupling the first and second plate portions. When X, Y, and Z axes perpendicular to each other are assumed, a second normal vector normal to a second mounting surface of the second plate portion has Y and Z components greater than 0 in a first state in which the first reference part is aligned with X direction and a first mounting surface of the first plate portion is in XZ plane, and a first normal vector normal to the first mounting surface has Y and Z components greater than 0 in a second state in which the second reference part is aligned with X direction and the second mounting surface is in XZ plane, the first normal vector being oriented differently from the second normal vector.

Sensor mounting bracket

A heart rate estimating apparatus may include a transmitter to transmit microwave with respect to a subject, a receiver to receive and detect reflected wave from the subject irradiated with the microwave, and acquire a detected result, a sensor to sense a movement of the subject, and acquire a sensed result, and an estimating unit. The estimating unit may estimate a heart rate based on feature points remaining after excluding, from heart rate candidates, feature points that are obtained by frequency analysis of the detected result and are located in a vicinity of frequencies at which feature points are obtained by frequency analysis of the sensed result.

Heart rate estimating apparatus and method

A photoelectric sphygmograph measurement device includes a light emitting part emitting light pulses, a light receiving part having a light receiving element that receives the light pulses and producing a corresponding output signal, and a control part driving the light emitting part to emit the light pulses and performing a pulse wave measurement by using the output signal. The control part drives the light emitting part so that a charge accumulated in the light emitting element converges on a predetermined amount in a case where the charge accumulated in the light receiving element decreases to the predetermined amount or less during a time when driving of the light emitting part is stopped and/or in a case where the light receiving element changes to a first state in which the light receiving element is capable of receiving the light pulses from a second state in which the light receiving element is not capable of receiving the light pulses.

Photoelectric sphygmograph measurement device

A balanced filter includes a package having an input ground metal pattern and an output ground metal pattern, and a filter chip having an inphase filter and an antiphase filter, which filters are mounted on the package, at least one of the inphase and antiphase filters having an input ground terminal connected to the input ground metal pattern and an output ground terminal connected to the output ground metal pattern, the input and output ground terminals of said at least one of the inphase and antiphase filters being separate from each other on the filter chip.

Growing community of inventors

Yokohama, Japan

Takayuki Yamaji