Abstract: A non-contact blood-pressure measuring device includes: an image acquiring section that acquires a skin image obtained by capturing skin of a user; a pulse-wave timing calculating section that calculates, as a pulse-wave timing, time information indicative of a time at which time-varying luminance in the skin image reaches a peak; a millimeter-wave acquiring section that acquires a signal of a radio wave reflected by the user; a heartbeat timing calculating section that calculates, as a heartbeat timing, time information indicative of a time at which a time-varying distance to the user obtained on the basis of the signal of the radio wave acquired by the millimeter-wave acquiring section reaches a peak; and a blood-pressure determining section that determines blood pressure of the user on the basis of a time difference between the pulse-wave timing and the heartbeat timing.

Abstract: An elapsed-time determination apparatus includes: a storage unit that stores correlation information indicating a correlation between a state of a melanophore of a fish and an amount of time elapsed since the death of the fish; an acquisition unit that acquires an image of a fish; an analysis unit that detects a state of a melanophore of a fish by analyzing an image acquired by the acquisition unit; and a determination unit that determines the amount of time elapsed since the death of the fish in accordance with the state of the melanophore of the fish detected by the analysis unit, based on the correlation information, and outputs determination results.

Abstract: A biosignal determining device includes: an instruction output circuit which outputs a first instruction, a second instruction, and a third instruction to a user, the first instruction is for asking the user to perform an inhaling or exhaling motion to a limit, a second instruction is for asking the user to stop the motion, and a third instruction is for asking the user to perform a motion reverse to the motion to a limit; a detection circuit which obtains a first cardiography representing a potential difference between two electrodes disposed on a chest of the user, the first cardiography measured between a time when the second instruction is outputted and a time when the third instruction is outputted, and detects a plurality of peaks included in the first cardiography; and a determination circuit which determines whether the user has performed the motion asked in the first instruction to the limit depending on whether potential values of the plurality of peaks are included in a predetermined range.

Abstract: Provided is an image display system which can assuredly perform collaborative processing such as determination of a fatigue state of a viewer using three-dimensional eyeglasses and an image display apparatus, without increasing system scale, the image display system including: a transmitting and receiving unit included in a three-dimensional display TV which transmits to three-dimensional eyeglasses a specification-designating signal designating a specification which at least includes a data format for a communication signal; a transmitting and receiving unit included in the three-dimensional eyeglasses which receives the specification-designating signal transmitted from the three-dimensional display TV and, according to the specification designated by the received specification-designating signal, converts a biometric signal acquired by a biometric signal sensor into the communication signal, and transmits the communication signal to the three-dimensional display TV.

Abstract: A wrist-worn input device measuring a biopotential for use in gesture inputting, includes a band that forms at least part of a tubular structure having a first opening and a second opening at the two ends thereof in an axial direction thereof, an electrode open to an internal surface of the band, a position determination unit disposed close to the first opening and having a shape to be engaged with at least part of a periphery of the styloid process of ulna of a user, a biopotential measurement unit that measures the biopotential of the user using the electrode, and a measured potential transmitter that outputs the biopotential of the user. The electrode includes a measurement electrode. The measurement electrode is located at a center point between the first opening and the second opening along the axial direction or located at a point closer to the second opening than to the center point along the axial direction.

Abstract: An input apparatus for controlling an information terminal includes a gesture detecting unit that detects a rotational movement of a wrist of a user about a lower arm of the user and an output unit that outputs a control command for controlling a device to be controlled to the device to be controlled on the basis of a rotational direction of the detected rotational movement. If the gesture detecting unit detects a first rotational movement in a first rotational direction and thereafter detects a second rotational movement in a second rotational direction that is opposite to the first rotational direction, the output unit outputs a second control command corresponding to the second rotational direction without outputting a first control command corresponding to the first rotational direction.

Abstract: An auditory event-related potential measurement system includes: a video output section configured to present a video to a user; a measurement section configured to measure a user's electroencephalogram signal; a scheduling section configured to schedule a timing of presenting an auditory stimulation so that the auditory stimulation is presented during a period in which the video is being presented to the user; an auditory stimulation output section configured to present the auditory stimulation to the user at the scheduled timing; and a processing section configured to acquire, from the electroencephalogram signal, an event-related potential in a first time range as reckoned from a point in time at which the auditory stimulation is presented. When an amount of video luminance change exceeds a threshold value, the auditory stimulation is not presented during a second time range as reckoned from a point in time at which the threshold value is exceeded.

Abstract: An exemplary UCL estimation system including: an output section configured to present to a user a first sound, and a second sound after lapse of a first predetermined time from a point of presenting the first sound, the first sound having a sound pressure within a predetermined sound pressure range, and the second sound having a same sound pressure as that of the first sound; a measurement section configured to measure an electroencephalogram signal of the user; an extraction section configured to extract, from an electroencephalogram signal measured within a second predetermined time from a point of presenting the second sound, a characteristic amount of an event-related potential of the signal; and an estimation section configured to estimate, by referring to a predetermined relationship between characteristic amount values of event-related potential and uncomfortableness threshold values, an uncomfortableness threshold value corresponding to the extracted characteristic amount of the potential.

Abstract: Provided is a myoelectric potential measurement device that recognizes a user arm movement, including a bracelet having a plurality of electrodes, at least one memory, and a processor.

Abstract: A master-slave device grips an object and performs a task while being in contact with a to-be-treated object. A force detection unit measures force information given to a slave mechanism. A force correction determination unit determines a force correction part serving as information from correction start to end times of force information transmitted to a master mechanism and, as a correcting method to perform correction, a first method determining a gain such that a reduction in absolute value of force information at the force correction part is maintained for a predetermined period of time or a second method determining a gain such that a reduction and an increase in the absolute value are repeated within a range that is not more than a value by reducing the absolute value. A force correction unit corrects information of a type of a force based on the force correction part and the gain.

Abstract: An uncomfortable sound pressure estimation system includes: a biological signal measurement section for measuring an electroencephalogram signal of a user; a sound stimulation output section for presenting a sound stimulation group to the user, the sound stimulation group including a first sound, a second sound, and a third sound which are pure tones of the same frequency and which consecutively decrease in sound pressure within a predetermined range; an extraction section for, from the electroencephalogram signal in a predetermined zone defined based on a point of presenting at least one of the second sound and the third sound as a starting point, extracting an N1-P2-amplitude related or wavelet-coefficient related characteristic amount of event-related potential of the electroencephalogram signal; and a determination section for determining an uncomfortable sound pressure at the frequency of the sound stimulation group based on the characteristic amount extracted by the extraction section.

Abstract: A movement information calculator calculates a moving direction and a speed of the moving person from a position history database. An approach time calculator calculates an approach time at which an autonomous running apparatus and the moving person approach to each other within a predetermined distance from the moving person's position, moving direction, and speed, and the running information. A gaze position obtaining unit obtains a moving person's gaze position from the moving person's position and moving direction, and the position of an obstacle recorded in an obstacle database. A gaze region calculator calculates a moving person's gaze region from the moving person's position, moving direction, and gaze position. A running information generator generates running information for making the autonomous running apparatus run to the gaze region at a predetermined time earlier than the approach time from the obstacle's position, the approach time, and the gaze region.

Abstract: In an electroencephalogram recording apparatus: a classification section classifies a collected sound into one of categories concerning sound pressure; an accumulation determination section determines whether or not to record an electroencephalogram of a user based on whether a number of times of data accumulation has reached a target value for the category into which the sound is classified; and an accumulation section accumulates an electroencephalogram data and a sound data in association if the electroencephalogram data is determined to be recorded. A first value is designated as a target value for a first category into which sounds of an expected minimum value are classified. A second value is designated as a target value for a second category into which any sound having a sound pressure greater than the minimum value is classified. The accumulation determination section sets the first value to be equal to or greater than the second value.

Abstract: A cardiac potential measuring device comprising: a first electrode and a second electrode; a potential difference acquisition circuitry that acquires a potential difference between the first electrode and the second electrode as cardiac potential; an attachment direction detector that detects an attachment direction that is a direction of a virtual line that connects the first electrode and the second electrode attached to the body of the user; and an attachment direction calculator that calculates and outputs a preferred attachment direction in which the potential difference larger than any one of a first potential difference and a second potential difference is generated.

Abstract: A biological information monitoring system includes: a measuring circuitry configured acquire information on a potential difference between two first electrodes that is placed on a first thorax of a user, wherein the first thorax is in a symmetric position to a second thorax that is positioned at the same side as a heart of the user; a detection circuitry configured to detect a plurality of S wave peaks based on the information on the potential difference to generate time-series information on the plurality of S wave peaks; and a processing circuitry configured to determine respiratory information on the user based on the time-series information on the plurality of S wave peaks, and to output the respiratory information as biological information.

Abstract: A master motion information obtaining unit obtains at least one or more pieces of master motion information including a position, a posture, a speed, and an angular velocity of a master arm mechanism. A physical information obtaining unit obtains physical information of an operator including an arm weight of the operator. A master motion information correcting unit generates corrected master motion information where an amount of correction of the master motion information is corrected such that heavier the arm weight of the operator included in the physical information, larger a movement of a slave arm. A slave controller controls a slave arm mechanism, according to the corrected master motion information.

Abstract: An exemplary uncomfortable sound pressure determination system including: a sound data generator configured to generate sound data concerning sounds consecutively ascending or descending in sound pressure from first to nth sounds, the sounds being pure tones of a same frequency; an output section configured to present the sounds to a user; a characteristic amount extractor configured to extract, based on an event-related potential of the electroencephalogram signal measured after lapse of a predetermined time from a point in time of presenting each of the sounds, a characteristic amount concerning temporal change in frequency of the event-related potential; and an uncomfortable sound pressure determination section configured to determine, by referring to a previously-provided relationship by which temporal changes in frequency of event-related potentials and uncomfortable sound pressures are associated, a sound pressure corresponding to the extracted characteristic amount to be an uncomfortable sound pressure

Abstract: Provided is a three-dimensional image display system including: eyeglasses including a type information transmission unit which transmits type information of the eyeglasses and a potential information transmission unit which transmits a biopotential of a viewer as potential information; and a three-dimensional display TV including a type information reception unit which receives the type information, an electrode position determination unit which determines, based on the received type information, a position of an electrode included in the eyeglasses, a potential information reception unit which receives the transmitted potential information, and a wearing conditions determination unit which determines wearing conditions of the viewer wearing the eyeglasses, based on the determined electrode position and the received potential information.

Abstract: A freshness estimation method includes obtaining an absorbance spectrum that is obtained by irradiating an eye of a fish with light having all or part of a wavelength band from 315 nm to 450 nm; and estimating freshness of the fish by using a shape of the obtained absorbance spectrum.

Abstract: Provided is a convergence performance determination device that determines convergence eye movement performance of a user when viewing a stereoscopic video by comparing amounts of convergence information calculated from eye information obtained from the user to predetermined amounts of convergence information. The convergence performance determination device then allows a degree of stereoscopy of the stereoscopic video being viewed by the user to be changed to a degree suitable to the user based on the determined convergence eye movement performance of the user.