公开(公告)号：US10226198B2

公开(公告)日：2019-03-12

申请号：US13224452

申请日：2011-09-02

申请人： Yoshihisa Terada ,  Koji Morikawa

发明人： Yoshihisa Terada ,  Koji Morikawa

IPC分类号： A61B5/0478 ,  A61B5/048 ,  A61B5/04 ,  A61B5/00

摘要： 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.

公开(公告)号：US09480429B2

公开(公告)日：2016-11-01

申请号：US13207547

申请日：2011-08-11

申请人： Toru Nakada ,  Koji Morikawa

发明人： Toru Nakada ,  Koji Morikawa

IPC分类号： A61B5/04 ,  A61B5/18 ,  A61B5/0476 ,  A61B5/0496 ,  G08G1/16 ,  A61B5/00

CPC分类号： A61B5/18 ,  A61B5/0476 ,  A61B5/0496 ,  A61B5/6803 ,  A61B5/6814 ,  A61B5/6816 ,  G08G1/166

摘要： 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.

摘要翻译： 该装置包括：检测部分，用于检测操作员在开始驾驶操作之前进行准备的时间段; 调整部，其用于调整用于确定驾驶操作期间的操作者的注意状态的判定标准，所述判定基准通过使用所测量的眼动电机信号来计算至少在所述时间段中测量的操作者的脑电信号的眼固定相关电位 并根据所计算的眼固定相关电位来调整确定标准; 基于所计算的眼睛固定相关电位，确定驾驶操作期间操作者的注意状态的确定部分，用于根据驾驶操作之后测量的脑电信号和操作者的眼动信号计算眼睛固定相关电位;以及 调整后的确定标准; 以及输出部分，用于基于确定的结果来提醒操作者的注意。

公开(公告)号：US09149202B2

公开(公告)日：2015-10-06

申请号：US13085806

申请日：2011-04-13

申请人： Koji Morikawa ,  Shinobu Adachi

发明人： Koji Morikawa ,  Shinobu Adachi

IPC分类号： H04R29/00 ,  A61B5/0484 ,  H04R25/00 ,  A61B5/00 ,  G10L21/06

CPC分类号： A61B5/04845 ,  A61B5/7225 ,  G10L2021/065 ,  H04R25/70

摘要： 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.

摘要翻译： 用于助听器的调节装置包括：音频提取部分，用于通过收集的音频信号的声学过程利用包含在音频信号中的音素或音节的信息来输出时间信息，时间信息识别发音点 音素或音节; 脑波测量部分，用于测量用户的脑波信号; 确定部分，用于基于识别出的音素或音节点作为起点，通过依靠脑波信号中的事件相关电位来确定音素或音节的听觉难度; 一个音素识别部分，当确定难以听到的多个音素或音节时，识别其中难以听到的按时间顺序排列的先前音素或音节; 以及增益调整部分，用于相对于由音素识别部分识别的音素或音节，基于音素或音节的类型确定增益调整方法，并根据确定的音调或音节调整音素或音节的增益 增益调整方法。

公开(公告)号：US09131868B2

公开(公告)日：2015-09-15

申请号：US13564390

申请日：2012-08-01

申请人： Kazuki Kozuka ,  Shinobu Adachi ,  Koji Morikawa

发明人： Kazuki Kozuka ,  Shinobu Adachi ,  Koji Morikawa

IPC分类号： A61B5/04 ,  H04R29/00 ,  A61B5/0484 ,  H04R25/00

CPC分类号： A61B5/04845 ,  H04R25/70

摘要： 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.

摘要翻译： 确定系统包括用于确定要呈现给用户的语音的呈现语音声音控制部分; 用于将确定的语音作为音频/字符呈现的听觉/视觉刺激呈现部分; 用于对每组语音进行用户的脑波信号的事件相关电位的总和的组合求和部分; 第一确定部分，用于从事件相关电位经过每个组的求和，对用户是否舒适地听到语音进行逐个群组的确定，至少确定是否 用户正在紧张地听声音，或者确定用户是否因语音而烦恼; 以及第二确定部分，用于从事件相关电位，对用户是否清楚地听到语音的可懂度进行语音逐个声音确定。

公开(公告)号：US09044157B2

公开(公告)日：2015-06-02

申请号：US13561336

申请日：2012-07-30

申请人： Shinobu Adachi ,  Koji Morikawa ,  Yumiko Kato ,  Kazuki Kozuka

发明人： Shinobu Adachi ,  Koji Morikawa ,  Yumiko Kato ,  Kazuki Kozuka

IPC分类号： H04R29/00 ,  A61B5/0484

CPC分类号： A61B5/04845

摘要： 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.

摘要翻译： 在语音听力的示例性评估系统中，输出部分向用户呈现语音作为听觉刺激; 正分量确定部分确定在从起始点开始的600-900ms的范围内，用户的脑波信号的事件相关电位中是否出现正分量，起始点是语音的时间点 并且输出关于用户是否正在以不争的方式收听语音的评估结果; 并且负分量确定部分确定在起始点是呈现语音的时间点的起始点是在100-300ms的范围内的事件相关电位中是否出现负分量，并输出一个 关于用户是否因语音而烦恼的评估结果。

公开(公告)号：US08818498B2

公开(公告)日：2014-08-26

申请号：US12955016

申请日：2010-11-29

申请人： Yoshihisa Terada ,  Koji Morikawa

发明人： Yoshihisa Terada ,  Koji Morikawa

IPC分类号： A61B5/04

CPC分类号： A61B5/6803 ,  A61B5/04012 ,  A61B5/0478 ,  A61B5/04842 ,  A61B5/1103 ,  G06F3/015 ,  G06F19/00

摘要： 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.

摘要翻译： 眼用脑电图接口系统佩戴在使用者头上。 该系统包括：用于向用户呈现视觉刺激的输出部分; 耳部电极部，设置在与使用者的耳朵接触的位置，当系统被佩戴时; 面部电极部，其设置在与使用者的眼睛的外部凹部和内部凹部连接的直线下方与面接触的位置，使得当系统的质量被支撑在该位置时，系统为 磨损 以及脑波测量和确定部分，用于基于由输出部分呈现的视觉刺激作为起始点，基于耳朵电极部分和面部电极部分之间的电位差来测量事件相关电位。

公开(公告)号：US08656280B2

公开(公告)日：2014-02-18

申请号：US12088128

申请日：2007-04-26

申请人： Koji Morikawa ,  Kazutoyo Takata

发明人： Koji Morikawa ,  Kazutoyo Takata

IPC分类号： G06F3/00

CPC分类号： H04N5/44 ,  G06F9/453 ,  H04N5/4403 ,  H04N17/00 ,  H04N21/4147 ,  H04N21/42204 ,  H04N21/42646 ,  H04N21/432 ,  H04N21/4586 ,  H04N21/488 ,  H04N2005/4444

摘要： 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.The apparatus according to the present invention is to be used in an electronic device having an input section to receive a manipulation by a user and operating based on the user's manipulation, and infers a manipulation intent of the user. This apparatus includes a storage which stores a database in which a function of the electronic device is associated with a manipulation that is highly mistakable when a user having an experience of manipulating an electronic device other than the electronic device uses the electronic device; and a manipulation assistance section for, when the manipulation by the user is wrong, determining a substance of manipulation assistance for executing a function which is intended by the user, in accordance with the function which is associated with the highly-mistakable manipulation in the database. This apparatus determines an operation of the electronic device based on the substance of manipulation assistance, and outputs an instruction to the electronic device.

摘要翻译： 提供了一种即使在尝试执行某个功能的用户执行错误的操作的情况下，通过推断用户原本希望执行的功能来提供操纵辅助的装置。 根据本发明的装置将被用在具有输入部分的电子设备中，该输入部分接收用户的操纵并且基于用户的操纵进行操作，并且推断出用户的操作意图。 该装置包括存储数据库，当具有操纵电子设备以外的电子设备的用户使用电子设备的用户时，存储与电子设备的功能相关联的操作非常错误的操作的数据库; 以及操作辅助部，用于当用户的操纵错误时，根据与数据库中的高度错误的操作相关联的功能，确定用于执行用户意图的功能的操作辅助的实质 。 该装置基于操作辅助的实质确定电子设备的操作，并向电子设备输出指令。

公开(公告)号：US08473045B2

公开(公告)日：2013-06-25

申请号：US12716425

申请日：2010-03-03

申请人： Yoshihisa Terada ,  Koji Morikawa

发明人： Yoshihisa Terada ,  Koji Morikawa

IPC分类号： A61B5/04

CPC分类号： A61B5/04842 ,  A61B5/6814 ,  A61B5/7203 ,  A61B5/7207 ,  A61B5/726 ,  A61B5/7475 ,  G06F3/015

摘要： 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.

摘要翻译： 装置的控制方法包括以下步骤：呈现关于装置的操纵菜单的视觉刺激; 在视觉刺激之后测量事件相关电位，其中基于将视觉刺激呈现为起始点的时间的事件相关电位是从每个电极和至少一个分别穿在 面部和在使用者的耳朵外围; 从每个所测量的事件相关电位，提取5Hz或更小的脑波数据并且包含预定的时间段，并将提取的脑电图数据组合成脑电波特征数据; 将脑电波特征数据与预先准备的用于确定在操作菜单中选择项目的愿望的参考数据进行比较; 并且基于比较结果，执行对应于该项目的设备的操纵。

公开(公告)号：US08466875B2

公开(公告)日：2013-06-18

申请号：US12534318

申请日：2009-08-03

申请人： Toru Nakada ,  Koji Morikawa

发明人： Toru Nakada ,  Koji Morikawa

IPC分类号： G09G5/08

CPC分类号： G06F3/015 ,  G06F3/013

摘要： 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.

摘要翻译： 脑电图界面系统包括：用于测量脑电图和眼睛运动的部分; 输出部分，用于在屏幕上呈现与设备操作相关的选项; 高亮确定部，用于如果从眼动的旋转角速度变为等于或小于阈值以来经过了预定时间，则基于眼睛移动来识别用户正在固定眼睛的屏幕的区域 ，并确定要突出显示的选项; 用于突出所确定的选项的接口部分，以及基于突出所述选项的定时，基于所述信号中的事件相关电位来确定所述设备的操作; 以及定时调整部分，用于在屏幕上显示该选项的过程开始之后并且直到该选项被显示在屏幕上之前，基于眼睛移动来调整开始高亮显示的定时。

公开(公告)号：US20120172744A1

公开(公告)日：2012-07-05

申请号：US13408091

申请日：2012-02-29

申请人： Yumiko KATO ,  Shinobu ADACHI ,  Yoshihisa TERADA ,  Koji MORIKAWA

发明人： Yumiko KATO ,  Shinobu ADACHI ,  Yoshihisa TERADA ,  Koji MORIKAWA

IPC分类号： A61B5/048 ,  A61B5/0484

CPC分类号： A61B5/0478 ,  A61B5/048 ,  A61B5/04845 ,  A61B5/7203 ,  A61B5/726

摘要： 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.

摘要翻译： 脑波测量装置包括：脑波测量部分，用于通过使用多个电极来测量用户的脑电图; 用于向用户呈现声信号的电声换能器，所述电声换能器在所述多个电极中的至少一个电极附近，而所述脑波测量部分由所述用户佩戴; 振幅包络提取部，用于提取由所述电声换能器呈现的声信号的振幅包络; 频率分析部分，用于对由振幅包络提取部分提取的振幅包络进行频率分析; 以及噪声估计部分，用于通过使用先前提供的一组变换规则和所提取的振幅包络来估计在所述至少一个电极处混合的电噪声。