Patent application number | Description | Published |
20090037816 | ELECTRONIC APPARATUS HAVING OPERATION GUIDE PROVIDING FUNCTION - There is provided an electronic device which presents manipulation guidance to a user as appropriate, depending on whether it is a function that the user can infer the manipulation method or substance of manipulation of. | 02-05-2009 |
20090049089 | INFORMATION PROCESSING SYSTEM, INFORMATION PROCESSING APPARATUS, AND METHOD - A degree of confidence is objectively evaluated without permitting a user's subjective evaluation, and a content to be output is determined based on this evaluation. | 02-19-2009 |
20090142743 | SERVICE PROVIDING SYSTEM - There is provided a system which is able to realize study assistance or a desired appliance operation for a user, even in the absence of an answer input from the user. | 06-04-2009 |
20090147148 | INFORMATION PROCESSING SYSTEM, INFORMATION PROCESSING APPARATUS, AND METHOD - There is provided a technique which, in the case where the operation has not occurred in a manner as expected by the user, determines from which standpoint the operation was not as expected, and makes a response that is closer to the expectation. | 06-11-2009 |
20090187114 | ELECTROENCEPHALOGRAM INTERFACE SYSTEM AND ACTIVATION APPARATUS - An electroencephalogram interface is activated by utilizing a biological signal, in particular a steady-state visual evoked potential, from a user. | 07-23-2009 |
20090247895 | APPARATUS, METHOD, AND COMPUTER PROGRAM FOR ADJUSTMENT OF ELECTROENCEPHALOGRAMS DISTINCTION METHOD - In a system having an interface utilizing electroencephalograms, a user's burden of calibration for accurately measuring electroencephalograms is eliminated, and it becomes possible to maintain a high distinction accuracy of electroencephalograms. | 10-01-2009 |
20090265630 | DEVICE FOR ESTIMATING USER OPERATION INTENTION AND ELECTRONIC DEVICE USING THE SAME - There is provided an apparatus which provides manipulation assistance, even in the case where a user trying to executing a certain function has performed a wrong manipulation, by inferring the function which the user originally wanted to execute. | 10-22-2009 |
20090270753 | Device and Method For Deciding Necessity Of Brainwave Identification - In a system having an interface which utilizes electroencephalogram, it is determined whether the user was looking at a menu or not based on the frequency of the user electroencephalogram, and the electroencephalogram is excluded from the subject of distinction in the case where the user is not looking at the menu. | 10-29-2009 |
20090289895 | ELECTROENCEPHALOGRAM INTERFACE SYSTEM, ELECTROENCEPHALOGRAM INTERFACE APPARATUS, METHOD, AND COMPUTER PROGRAM - An electroencephalogram interface system includes: sections for measuring an electroencephalogram and an eye movement; an output section for presenting on a screen an option related to a device operation; a highlight determination section for, if a predetermined time has elapsed since a rotational angular velocity of the eye movement becomes equal to or less than a threshold value, identifying a region of the screen in which the user is fixing one's gaze based on the eye movement, and determining an option to be highlighted; an interface section for highlighting the determined option, and determining an operation of the device based on an event-related potential in the signal based on the timing of highlighting the option; and a timing adjustment section for adjusting a timing of beginning highlighting based on the eye movement after a process of displaying the option on the screen is begun and until the option is displayed on the screen. | 11-26-2009 |
20090327816 | OPERATION CHECK INFORMATION PROVIDING DEVICE AND ELECTRONIC DEVICE USING THE SAME - An apparatus is provided for, when the user makes an input manipulation, estimating a manipulation for which the user is likely to make an error, in accordance with the knowledge of the user, and providing a manipulation support such as, for example, automatically displaying a confirmation request for the manipulation for which the probability of the input being an error is high. | 12-31-2009 |
20100004556 | BRAIN WAVE IDENTIFICATION METHOD ADJUSTING DEVICE AND METHOD - In a system having an interface that utilizes an electroencephalogram, there is realized a calibration which prevents overlooking of calibrational stimulations concerning the electroencephalogram and which is highly accurate. | 01-07-2010 |
20100106042 | CORRECTION DEVICE TO BE INCORPORATED INTO BRAIN WAVE INTERFACE SYSTEM, ITS METHOD, AND COMPUTER PROGRAM - An option which is considered to be desired by a user is determined by using an electroencephalogram interface (IF), and a determination error for the option is detected based on an electroencephalogram. If a determination error is detected, the option is corrected based on the electroencephalogram information which was used for the option determination. | 04-29-2010 |
20100130882 | APPARATUS, METHOD AND PROGRAM FOR ADJUSTING DISTINCTION METHOD FOR ELECTROENCEPHALOGRAM SIGNAL - The electroencephalogram distinction method adjustment apparatus is used for adjusting a distinction method in an electroencephalogram interface section which™ is provided in an electroencephalogram interface system. The apparatus includes a category determination section and a distinction method adjustment section. The category determination section prestores reference data for classifying a characteristic feature of an electroencephalogram signal, and determines which one of a plurality of classified categories the measured electroencephalogram signal belongs to by using the reference data and a characteristic amount which is common to electroencephalogram signals with respect to two or more options presented by the output section. Based on the result of categorization, the distinction method adjustment section adjusts the distinction method for an electroencephalogram signal with respect to the option selected by the user. | 05-27-2010 |
20100145218 | ADJUSTMENT DEVICE, METHOD, AND COMPUTER PROGRAM FOR A BRAINWAVE IDENTIFICATION SYSTEM - In a system having an interface which utilizes an electroencephalogram, device operations which are not intended by the user are reduced. | 06-10-2010 |
20100156617 | APPARATUS, METHOD, AND PROGRAM OF DRIVING ATTENTION AMOUNT DETERMINATION - Even when a driver is not directing his or her line of sight to objects in the surroundings, the amount of attention of the driver to the peripheral visual field can be determined, and safe driving assistance in accordance with the result of determination can be provided. A driving attention amount determination apparatus includes: an electroencephalogram measurement section for measuring an electroencephalogram signal of a driver; an attention amount determination section for determining an amount of attention of the driver to a peripheral visual field by utilizing an event-related potential in the electroencephalogram signal, the event-related potential being based on a starting point which is a time point of occurrence of a visual stimulation occurring in the peripheral visual field of the driver; and an output section for calling attention of the driver by outputting a signal based on a result of the determination. | 06-24-2010 |
20100160808 | INTERFACE SYSTEM UTILIZING MUSTICATORY ELECTROMYOGRAM - The interface system includes: an output section for visually presenting a manipulation menu for a device; a measurement section for measuring a masticatory electromyogram of a user; a menu presentation section for causing menu items of the manipulation menu to be presented in order via the output section; an amplitude calculation section for determining a maximum amplitude of a potential waveform of the masticatory electromyogram; a latency calculation section for determining a latency based on a point of highlighting each menu item as a starting point, the latency being an amount of time in which the potential waveform arrives at the maximum amplitude; and a determination section for determining whether the maximum amplitude is greater than a previously determined threshold value and the latency is approximately 200 ms or not. In accordance with the determination result of the determination section, the menu presentation section executes a process corresponding to the highlighted menu item. | 06-24-2010 |
20100191140 | METHOD FOR CONTROLLING DEVICE BY USING BRAIN WAVE AND BRAIN WAVE INTERFACE SYSTEM - The control method for a device includes steps of: presenting a visual stimulation concerning a manipulation menu for a device; measuring event-related potentials after the visual stimulation is presented, where event-related potentials based on a timing of presenting the visual stimulation as a starting point are measured from a potential difference between each of electrodes and at least one reference electrode respectively worn on a face and in an ear periphery of a user; from each of the measured event-related potentials, extracting electroencephalogram data which is at 5 Hz or less and contains a predetermined time section, and combining the extracted electroencephalogram data into electroencephalogram characteristic data; comparing the electroencephalogram characteristic data against reference data prepared in advance for determining a desire to select an item in the manipulation menu; and, based on a comparison result, executing a manipulation of the device corresponding to the item. | 07-29-2010 |
20100241021 | DISTRACTION DETECTION APPARATUS, DISTRACTION DETECTION METHOD, AND COMPUTER PROGRAM - The distraction detection apparatus includes: an electroencephalogram detection section for detecting an electroencephalogram signal of a driver; an arousal level estimation section for retaining a first rule of mapping parameter values of an electroencephalogram signal to arousal levels, and estimating an arousal level based on the detected electroencephalogram signal and the first rule; an attention allocation estimation section for retaining a second rule of mapping parameter values of an electroencephalogram signal to attention allocations, and estimating an attention allocation based on the detected electroencephalogram signal and the second rule; a driver state estimation section for retaining a third rule of deriving an amount of attention from an arousal level and an attention allocation, estimating an amount of attention of the driver paid to driving based on the estimated arousal level and attention allocation and the third rule, and classifying a state of the driver into a normal state, a state of reduced attention, or a state of reduced arousal level; and an output section for performing an intervention for the driver based on a result of classification by the driver state classification section. | 09-23-2010 |
20100317988 | ACTIVATION APPARATUS, METHOD, AND COMPUTER PROGRAM FOR BRAINWAVE INTERFACE SYSTEM - A brain wave interface (IF) is started up using user's brain wave signals. A brain wave IF system comprises a brain wave measuring portion for measuring brain wave signals, a function controlling portion which analyzes an event-related potential contained in brain signals and outputs a function control signal for controlling the function of the apparatus based on the analysis results, and an output portion for outputting the function control signal. A start-up device comprises a start-up judging portion and a stimulus-attention judging portion. The start-up judging portion transmits, to the output portion, a stimulus control signal for controlling presentation/extinction of a visual stimulus which is a single item in the output portion when the brain wave IF system is not working, and compares a value of a P200 component of the event-related potential starting on a presentation timing of a visual stimulus out of the brain wave signals acquired from the brain wave measuring portion with a predetermined threshold value to determine whether or not to output a start-up trigger to the function controlling portion based on the comparison results. The stimulus-attention judging portion judges whether the user is paying attention to the visual stimulus based on an N100 component of the event-related potential starting on the presentation timing of the visual stimulus and makes the start-up judging portion start processing according to the judgment results. The brain wave IF system is started by the start-up judging portion outputting the start-up trigger. | 12-16-2010 |
20110071416 | ELECTROENCEPHALOGRAM INTERFACE SYSTEM - An eyeglass-type electroencephalogram interface system is worn on the head of a user. The system includes: an output section for presenting a visual stimulation to the user; an ear electrode portion disposed at a position coming in contact with an ear of the user when the system is worn; a facial electrode portion disposed at a position coming in contact with the face below a straight line connecting an external canthus and an internal canthus of an eye of the user, such that the mass of the system is supported at the position, when the system is worn; and an electroencephalogram measurement and determination section for measuring an event-related potential on the basis of a potential difference between the ear electrode portion and the facial electrode portion based on the visual stimulation being presented by the output section as a starting point. | 03-24-2011 |
20110071828 | SYSTEM AND METHOD OF SPEECH DISCRIMINABILITY ASSESSMENT, AND COMPUTER PROGRAM THEREOF - A speech discriminability assessment system includes: a biological signal measurement section for measuring an electroencephalogram signal of a user; a presented-speech sound control section for determining a speech sound to be presented to the user by referring to a speech sound database retaining a plurality of monosyllabic sound data; an audio presentation section for presenting an audio associated with the determined speech sound to the user; a character presentation section for presenting a character associated with the determined speech sound to the user, subsequent to the presentation of the audio by the audio presentation section; an unexpectedness detection section for detecting presence or absence of an unexpectedness signal from the measured electroencephalogram signal of the user, the unexpectedness signal representing a positive component at 600 ms±100 ms after a time point when the character was presented to the user; and a speech sound discriminability determination section for determining a speech sound discriminability based on a result of detection by the unexpectedness detection section. | 03-24-2011 |
20110152708 | SYSTEM AND METHOD OF SPEECH SOUND INTELLIGIBILITY ASSESSMENT, AND PROGRAM THEREOF - A speech sound intelligibility assessment system includes: a biological signal measurement section for measuring an electroencephalogram signal of a user; a presented-speech sound control section for determining a speech sound to be presented by referring to a speech sound database retaining a plurality of monosyllabic speech sounds; an audio output section for presenting the speech sound determined by the presented-speech sound control section as an audio; a characteristic component detection section for utilizing the electroencephalogram signal of the user measured by the biological signal measurement section to determine presence or absence of a characteristic component of an event-related potential at 800 ms±100 ms from a point of presenting the audio; and a speech sound intelligibility assessment section for, based on a result of determination by the characteristic component detection section, determining whether the user has aurally comprehended the speech sound or not. | 06-23-2011 |
20110188664 | DEVICE, METHOD, AND PROGRAM FOR ADJUSTMENT OF HEARING AID - An adjustment device for a hearing aid includes: an audio extraction section for, through an acoustic process of a collected audio signal, utilizing information of a phoneme or syllable contained in the audio signal to output time information, the time information identifying a point of uttering the phoneme or syllable; an electroencephalogram measurement section for measuring an electroencephalogram signal of a user; a determination section for determining a difficulty of hearing of the phoneme or syllable by relying on an event-related potential in the electroencephalogram signal based on the identified point of uttering the phoneme or syllable as a starting point; a phoneme identification section for, when a plurality of phonemes or syllables are determined as difficult to hear, identifying a chronologically preceding phoneme or syllable among them to be difficult to hear; and a gain adjustment section for, with respect to the phoneme or syllable identified by the phoneme identification section, determining a gain adjustment method based on a type of the phoneme or syllable, and adjusting a gain for the phoneme or syllable in accordance with the determined gain adjustment method. | 08-04-2011 |
20110295086 | STATE-OF-ATTENTION DETERMINATION APPARATUS, METHOD, AND PROGRAM - The apparatus includes: a detection section for detecting a time period during which an operator is making preparations prior to beginning a driving operation; an adjustment section for adjusting a determination criterion for determining a state of attention of the operator during a driving operation, which calculates an eye fixation related potential of the electroencephalogram signal of the operator measured at least in the time period by using the measured oculomotor signal of the operator, and which adjusts the determination criterion based on the calculated eye fixation related potential; a determination section for calculating an eye fixation related potential from the electroencephalogram signal and the oculomotor signal of the operator measured after beginning the driving operation, which determines a state of attention of the operator during the driving operation based on the calculated eye fixation related potential and the adjusted determination criterion; and an output section for acting to call attention of the operator based on a result of determination. | 12-01-2011 |
20120029336 | ELECTRODE ATTACHMENT STATE DETERMINATION SYSTEM, ELECTRODE ATTACHMENT STATE DETERMINATION METHOD, AND PROGRAM THEREOF - An electrode attachment state determination system includes: an electroencephalogram measurement section for measuring an electroencephalogram signal of a user by using at least one set of electrodes including a ground electrode, a reference electrode, and a measurement electrode; a frequency analysis section for performing a frequency analysis of the electroencephalogram signal; an insufficient electrode determination section for extracting at least one parameter of a total frequency power and a noise amount from a result of the frequency analysis, and through a comparison of a value of the parameter against a predetermined threshold value, determining whether the ground electrode, the reference electrode, or the measurement electrode has an insufficient state of attachment; and an output section for, when an insufficient state of attachment is determined, presenting information indicating the insufficient state of electrode attachment to the user. | 02-02-2012 |
20120069247 | ELECTROENCEPHALOGRAM INTERFACE SYSTEM, ELECTROENCEPHALOGRAM INTERFACE PROVIDING APPARATUS, METHOD OF OPERATING ELECTROENCEPHALOGRAM INTERFACE, AND PROGRAM - An electroencephalogram interface system includes: a presentation section for presenting multiple options to a user, the multiple options being manipulable items concerning manipulations of a device; a selection flicker control section for flickering each option; an inference section for inferring one option corresponding to a desired manipulation of the user by utilizing an event-related potential of an electroencephalogram of the user, the event-related potential being based on the flickering of each option as a starting point; a confirmation flicker control section for effecting confirmation flickering of the one option inferred; a determination section for determining whether the inferred option corresponds to the desired manipulation of the user by utilizing an event-related potential of the user's electroencephalogram, the event-related potential being based on the confirmation flickering of the one option as a starting point; and an output section for executing a process which is in accordance with the determined result. | 03-22-2012 |
20120072213 | SPEECH SOUND INTELLIGIBILITY ASSESSMENT SYSTEM, AND METHOD AND PROGRAM THEREFOR - The speech sound intelligibility assessment system includes: an output section for presenting a speech sound to a user; a biological signal measurement section for measuring an electroencephalogram signal of the user; a positive component determination section for determining presence/absence of a positive component of an event-related potential in the electroencephalogram signal in a zone from 600 ms to 800 ms from a starting point, which is a point in time at which the output section presents a speech sound; a negative component determination section for determining presence/absence of a negative component of an event-related potential in the electroencephalogram signal in a zone from 100 ms to 300 ms from the same starting point; and an assessment section for evaluating whether the user has clearly aurally comprehended the presented speech sound or not based on the results of determination of presence/absence of the positive and negative components, respectively. | 03-22-2012 |
20120172744 | ELECTROENCEPHALOGRAM MEASUREMENT APPARATUS, METHOD OF ESTIMATING ELECTRICAL NOISE, AND COMPUTER PROGRAM FOR EXECUTING METHOD OF ESTIMATING ELECTRICAL NOISE - An electroencephalogram measurement apparatus includes: an electroencephalogram measurement section for measuring an electroencephalogram of a user by using a plurality of electrodes; an electro-acoustic transducer for presenting an acoustic signal to the user, the electro-acoustic transducer being in a vicinity of at least one electrode among the plurality of electrodes while the electroencephalogram measurement section is worn by the user; an amplitude envelope extraction section for extracting an amplitude envelope of the acoustic signal presented by the electro-acoustic transducer; a frequency analysis section for applying a frequency analysis to the amplitude envelope extracted by the amplitude envelope extraction section; and a noise estimation section for estimating an electrical noise which is mixed at the at least one electrode by using a previously provided set of transform rules and the extracted amplitude envelope. | 07-05-2012 |
20120191000 | ELECTROENCEPHALOGRAM MEASUREMENT SYSTEM, ELECTROENCEPHALOGRAM MEASUREMENT METHOD, AND PROGRAM THEREOF - An exemplary electroencephalogram measurement system includes: a frequency analysis section for, analyzing a frequency power of the electroencephalogram signal of a user with respect to each set of a reference electrode and a measurement electrode; an insufficient electrode determination section for, through comparison of the analyzed frequency power against a first threshold value, distinguishing whether a state of attachment of each electrode is sufficient or not; and an insufficiency cause estimation section for determining the number of insufficient electrodes distinguished as insufficiently worn, determining a position at which each insufficient electrode is in contact with the user, and estimating a cause for the insufficient state of attachment of the insufficient electrode or electrodes that corresponds to the determined number of insufficient electrodes and position of each insufficient electrode by referring to insufficiency pattern data. | 07-26-2012 |
20120288108 | ASSESSMENT SYSTEM OF SPEECH SOUND LISTENING, AND METHOD AND PROGRAM THEREOF - In an exemplary assessment system of speech sound listening, an output section presents a speech sound to a user as an auditory stimulation; a positive component determination section determines whether a positive component appears in an event-related potential of an electroencephalogram signal of the user in a range from 600-900 ms from a starting point, the starting point being a point in time at which the speech sound is presented, and outputs an assessment result as to whether the user is listening to the speech sound with strife or not; and a negative component determination section determines whether a negative component appears in the event-related potential in a range from 100-300 ms from a starting point, the starting point being the point in time at which the speech sound is presented, and outputs an assessment result as to whether the user is annoyed by the speech sound or not. | 11-15-2012 |
20120294451 | HEARING DETERMINATION SYSTEM, AND METHOD AND PROGRAM FOR THE SAME - The determination system includes a presented-speech sound control section for determining a speech sound to be presented to a user; auditory/visual stimulation presentation sections for presenting the determined speech sound as an audio/a character; a group-wise summation section for taking a summation of an event-related potential of an electroencephalogram signal of the user for each group of speech sounds; a first determination section for, from the event-related potential having been subjected to summation for each group, making a group-by-group determination of comfortableness as to whether the user is comfortably hearing to the speech sound, to at least determine whether the user is listening to the speech sound with strife, or to determine whether the user is annoyed by the speech sound; and a second determination section for, from the event-related potential, making a speech sound-by-speech sound determination of intelligibility as to whether the user is clearly hearing the speech sound. | 11-22-2012 |
20130039498 | ANNOYANCE JUDGMENT SYSTEM, APPARATUS, METHOD, AND PROGRAM - An annoyance judgment system includes: a biological signal measurement section configured to measure an electroencephalogram signal of a user; a database retaining a plurality of monosyllabic speech sounds such that, for each speech sound, the speech sound and a reference latency of an electroencephalogram negative component corresponding to the speech sound are retained in association; a presented-speech sound determination section configured to deteremine a monosyllabic speech sound to be presented by referring to the database; and an annoyance judgment section configured to judge annoyance of the output speech sound by comparing a peak latency of a negative component of the electroencephalogram signal in a range from 50 ms to 350 ms from a starting point, the a starting point being a point in time at which the determined speech sound is presented, against the reference latency corresponding to the determined speech sound that is retained in the database. | 02-14-2013 |
20130070929 | SOUND PRESSURE ASSESSMENT SYSTEM, AND METHOD AND PROGRAM THEREOF - A sound pressure assessment system determines sounds to be presented by referring to a database retaining data of sounds, each of which is a pure tone. The system presents the determined sound as a first sound, and in a predetermined time after presenting the first sound, presents as a second sound a sound at least having the same frequency and the same sound pressure level as those of the'first sound to the user. The system extracts an amount of change from an N1 component in response to the first sound to that in response to the second sound. The N1 components are negative components of an user's event-related potential based on points of presenting the first and second sounds as respective starting points. The system determines whether the sound pressure level of the presented sound is excessive to the user, based on the amount of change. | 03-21-2013 |
20130138012 | ELECTROENCEPHALOGRAM RECORDING APPARATUS, HEARING AID, ELECTROENCEPHALOGRAM RECORDING METHOD, AND PROGRAM THEREOF - 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. | 05-30-2013 |
20130266163 | UNCOMFORTABLENESS THRESHOLD VALUE ESTIMATION SYSTEM AND METHOD, AND A PROGRAM THEREOF; HEARING AID ADJUSTMENT SYSTEM; AND UNCOMFORTABLENESS THRESHOLD VALUE PROCESSING CIRCUIT - 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. | 10-10-2013 |
20140072127 | UNCOMFORTABLE LOUDNESS LEVEL ESTIMATING SYSTEM, UNCOMFORTABLE LOUDNESS LEVEL ESTIMATING DEVICE, UNCOMFORTABLE LOUDNESS LEVEL ESTIMATING METHOD, AND COMPUTER PROGRAM FOR SAME - 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. | 03-13-2014 |
20140105436 | HEARING AID GAIN DETERMINATION SYSTEM, HEARING AID GAIN DETERMINATION METHOD, AND COMPUTER PROGRAM - A hearing aid gain determination system includes: a biological signal measurement section for measureing an electroencephalogram signal; a sound group determination section for determining a frequency of a sound group including first, second and third sounds; a sound pressure determination section for determining sound pressures of the first to third sounds so that the respective sound pressures are less than a threshold and that the first to third sounds consecutively decrease; an output section for presenting the first to third sounds at the determined frequency and sound pressures; a characteristic amount extraction section for extracting a characteristic amount concerning time-frequency information of an event-related potential in a time range after presenting the first to third sounds; a gain determination section for determining a hearing aid gain for the frequency of the sound stimulation group against a predetermined criterion based on the characteristic amounts. | 04-17-2014 |
20140249438 | ELECTRONIC DEVICE, INFORMATION PROCESSING APPARATUS, INFORMATION PROCESSING METHOD AND PROGRAM - An exemplary electronic device is in a housing to be gripped by a right hand and a left hand of a user, and has a plurality of manipulable portions. The electronic device includes: electrodes placed at positions which come in contact with the right hand and left hand of the user gripping the housing; an extractor for extracting an electrocardiographic component of the user from a potential difference between the electrodes; a determination section for determining whether the extracted electrocardiographic component is in a positive direction or a negative direction by referring to a prestored criterion; and a change section for, in accordance with a result of determination by the determination section, changing assignment between each of the plurality of manipulable portions and a manipulation signal generated in response to a manipulation. | 09-04-2014 |
20140309540 | BIOSIGNAL MEASUREMENT APPARATUS AND BIOSIGNAL MEASUREMENT METHOD - A biosignal measurement apparatus includes: a potential difference measurement unit that measures a potential difference between a plurality of electrodes of an electrode unit placed on a user's chest; an ECG analysis unit that obtains an electrocardiogram (ECG) indicating a temporal variation of a cardiac potential of the user, from the potential difference measured by the potential difference measurement unit; an impedance measurement switching unit that determines a start timing of a first period which is a period not including an R wave, using the ECG obtained by the ECG analysis unit; an impedance measurement unit that measures an impedance between the plurality of electrodes in the first period; and a respiratory calculation unit that calculates respiratory information related to respiration of the user, based on a temporal variation of the impedance measured by the impedance measurement unit. | 10-16-2014 |
20140333332 | ELECTRONIC DEVICE, INFORMATION PROCESSING APPARATUS, INFORMATION PROCESSING METHOD, AND PROGRAM - An exemplary electronic device is in a housing to be gripped by both hands, and measures the potentials of first and second fingers of respectively different hands. The device includes: a first electrode group provided in a position to come in contact with the first finger, including a first main electrode and at least one first auxiliary electrode provided in a position away from the first main electrode; a second electrode group provided in a position to come in contact with the second finger, including a second main electrode and at least one second auxiliary electrode provided in a position away from the second main electrode; a biological signal processor for, from potential values measured at the first and second electrode groups, determining respective contact states concerning the first and second fingers; and a transmission circuit for presenting information concerning a finger contact state based on a result of determination. | 11-13-2014 |