Abstract: To provide an axle bearing having a low torque property and superior bearing lifetime. A hub bearing 6 is configured to rotatably support a wheel of a vehicle, and has a grease composition 10 sealed in an inner space thereof. The grease composition 10 contains a base oil and a thickener. The shear stress of the grease composition at the shear rate of 1,000-10,000 s?1 at 25° C. is 3,000 Pa or less. The viscosity of the grease composition is 1 Pas or less. The yield stress of the grease composition at 25° C. measured by a dynamic viscoelasticity analysis method using a rheometer is 1,300-3,000 Pa.

Abstract: 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.

Abstract: 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.

Abstract: 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.

Abstract: 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.

Abstract: 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.

Abstract: 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.

Abstract: 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.

Abstract: 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.

Abstract: A detection method for causing a computer to execute processing includes acquiring image information obtained by imaging a subject in a moving body, acquiring illuminance information that indicates an illuminance in the moving body, generating first feature information regarding a time-series change in a pupil diameter of the subject on the basis of the acquired image information, generating second feature information regarding a time-series change in the illuminance in the moving body on the basis of the acquired illuminance information, generating reaction information regarding a reflection speed of a pupil of the subject with respect to light emitted to the subject on the basis of the generated first and second feature information, and detecting a fatigue state of the subject on the basis of the generated reaction information.

Abstract: 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.

Abstract: 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.

Abstract: 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.

Abstract: A measuring method includes: executing first acquisition processing for acquiring a first signal from a first sensor, the first sensor being provided at a first position corresponding to a height of a waist of an occupant in a backrest of a seat on which the occupant sits, the first sensor being configured to detect a movement in accordance with first radio waves; executing second acquisition processing for acquiring a second signal from a second sensor, the second sensor being provided at a second position corresponding to a height of a chest of the occupant in the backrest, the second sensor being configured to detect a movement in accordance with second radio waves; executing generation processing for generating a measurement result related to a predetermined component included in the second signal based on the first signal and the second signal; and executing output processing for outputting the generated measurement result.

Abstract: An information processing apparatus includes: a memory; and a processor coupled to the memory and configured to: acquire activity amount data corresponding to activity of a subject which is measured by an activity amount meter; and detect a biorhythm of the subject from a result of frequency analysis of a time waveform of the activity amount data and visualize information on an action recommended to the subject with respect to the detected biorhythm.

Abstract: 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.

Abstract: 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.

Abstract: 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.

Abstract: 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.

Abstract: An information processing device includes: a memory; and a processor coupled to the memory and configured to: specify part of sensor values from among the sensor values which is acquired from a wearable sensor when acquiring the sensor values stored in a storage of the wearable sensor via a read device, the part of sensor values corresponding to a certain time period stretching back from any one of first timing of reading from the wearable sensor, second timing that is due timing at which a user who is associated with the wearable sensor starts duty, and third timing that is due timing at which the user ends duty; and chronologically control a display device to display the part of sensor values or calculated values that are calculated based on the part of sensor values.