Hitachi, Ltd.

Maxell, Ltd.

Hitachi-high-technologies Corporation

Hitachi Consumer Electronics Co., Ltd.

Hitachi Maxell, Limited

Hitachi Computer Peripherals Co., Ltd.

Hitachi High-tech Fine Systems Corporation

Hiroshima University

Hitachi High-tech Solutions Corporation

Akihiko Kandori

Tsuyoshi Miyashita

Keiji Tsukada

Yuko Sano

Ryuzo Kawabata

Daisuke Suzuki

Hitoshi Sasabuchi

Hiroyuki Suzuki

Kuniomi Ogata

Yusuke Seki

Mitsunobu Watanabe

Shoji Kondo

Koichi Yokosawa

Yuhua Zhang

Mitsuru Onuma

Tomohiko Mizuguchi

Yasuaki Komiyama

Mitsuo Okimoto

Takako Mizoguchi

Shigemitsu Ando

Tsukasa Funane

Kenichi Okajima

Akira Tsukamoto

Toshio Tsuji

Atsushi Ninomiya

Seiichi Suzuki

Taro Osabe

Hirokazu Atsumori

Akiko Obata

Masahiro Murakami

Ying Yin

Mitsuru Oonuma

Minoru Sakairi

Kenko Uchida

Shinya Kajiyama

Masayoshi Ishibashi

Kenji Yamamoto

Hideo Kawaguchi

Kanako Esaki

Ayako Nishimura

Kenji Teshigawara

Yuto Komatsu

Norihiko Adachi

Yudai Kamada

Kouichi Ishizuka

Keisuke Shima

Hiroshi Shimizu

Atsushi Maki

Kenji Katsumata

Masashi Kiguchi

Ryuichi Shinomura

Yasuaki Nakamura

Yoshimi Kasai

Kazuo Saitoh

Kazuhisa Machida

Hiroshi Suzuki

Noritake Shizawa

Yuudai Kamada

Takumi Okamura

Kazuhiro Kaizaki

Toshinori Miyoshi

Masahiko Ichimura

Masahiro Yamaoka

Nami Sugita

Tomochika Yamashita

Tamotsu Nagabayashi

Atsushi Watanabe

Takuya Akashi

Keiji Enpuku

Ryoko Sugano

Seiji Hama

Harutoyo Hirano

Hiroyuki Kanda

Yoshio Matsuoka

Akitoshi Doi

Shinya Katsuki

Yasushi Saito

Toshihiro Aita

Ryuuzou Kawabata

Norihiko Matsumoto

Katsuya Morohoshi

Yasuhiro Tamura

Saburo Sakoda

Masaru Yokoe

Provided is a biological examination apparatus and a biological information analysis method capable of quickly grasping a two-dimensional motions of the up-down and front-back directions of the thyroid cartilage and the lingual bone accompanied by a swallowing sound as swallowing dynamics by a non-invasive examination. In the biological examination apparatus of the present invention, an up-down motion component associated with an up-down motion of the thyroid cartilage and a front-back motion component associated with a front-back motion of the thyroid cartilage are extracted from a fitting result obtained by fitting a model function modeling a swallowing motion to distance information based on detection data detected by a larynx portion displacement detector, and a two-dimensional trajectory data indicating behavior trajectories of an up-down direction and a front-back direction of the thyroid cartilage is generated based on the extracted up-down motion component and the extracted front-back motion component.

Biological examination device and biological information analysis method

The abnormal data processing system is provided with: a storage unit for holding a multiple-subject DB in which data on multiple subjects are accumulated and individual-subject DB in which data on individual subjects are accumulated; an individual-subject DB divergence-degree calculation unit for calculating an individual-subject DB divergence degree which is the degree of divergence of the new data from the individual-subject DB; a multiple-subject DB divergence degree calculation unit for calculating a multiple-subject DB divergence degree which is the degree of divergence of the new data from the multiple-subject DB; and a composite divergence degree calculation unit for determining a composite divergence by compositing the individual-subject DB divergence degree and the multiple-subject DB divergence degree using the number of data instances in the individual-subject DB. The abnormal data processing system determines whether or not the new data is abnormal on the basis of the composite divergence degree.

Abnormal data processing system and abnormal data processing method

A technique for evaluating human cognitive and motor functions by a plurality of hand movement tasks is disclosed. A task execution method determines the execution order of a plurality of tasks which a test subject is caused to execute to acquire a characteristic quantity. A test subject group task database includes scores given in advance and characteristic quantities obtained from a plurality of tasks stored as past data corresponding to each of a plurality of test subjects. In a storage device, (1) a differentiation precision database for a case in which test subjects are divided into two groups by predetermined threshold value scores differentiated by the characteristic quantities, or (2) an estimation precision database for a case in which a score is estimated using the characteristic quantity for a predetermined score value is prepared for each of the tasks on the basis of the test subject group task database.

Task execution order determination system and task execution method

A digestive organ internal contents sampling capsule for sampling internal contents in a digestive organ includes: a cylindrical container insoluble in a digestive tract for housing the internal contents in the digestive organ; an outer lid enclosing an orifice of the cylindrical container and to dissolve at least partially in the digestive organ; an inner lid arranged in the cylindrical container, and to swell in response to contact with the internal contents in the digestive organ to enclose the orifice of the cylindrical container after the orifice is exposed by dissolving of at least a part of the outer lid; and a marker material to be discharged together with the cylindrical container housing the internal contents in the digestive organ and feces.

Digestive organ internal contents sampling capsule

To perform respiratory monitoring and cardiac-output measurement on general patients, an aspect of a biological measurement apparatus includes: at least two electrodes that are attached to a living body; a power supply that causes an AC current to flow between the two electrodes; at least two coils that are placed so as to sandwich a line linking the two electrodes, and detect a magnetic field related to a change in the AC current accompanying a change in impedance of the living body; and a detection circuit that performs addition or subtraction of signals related to the magnetic field detected with the two coils, and outputs the signals as a change in the impedance.

Biological measurement method

A system for evaluating a degree of brain dysfunction of a subject, such as a decline in cognitive function, calculates a difference in movement functions between both hands in a coordination movement. The system includes a storage device for storing time-series data on a finger movement task of each of both hands of a test subject acquired by a movement sensor; a data processing device for analyzing the time-series data stored in the storage device; and a display device for displaying an analysis result analyzed by the data processing device. The data processing device includes a movement waveform generation unit for generating a movement waveform corresponding to the time-series data stored in the storage device; and a difference-between-hands feature quantity generation unit for generating a difference-between-hands feature quantity which represents a difference in respective finger movement tasks between both hands, based on the respective movement waveforms of both hands.

Brain dysfunction evaluation system, brain dysfunction evaluation method, and program

A biometric system includes: a camera that captures a subject; a pressure information collection unit that detects a pressure value of at least one sole of the subject; a skeleton direction vector calculation unit that calculates a skeleton direction vector of the subject captured by the camera; a floor reaction force vector calculation unit that calculates a floor reaction force vector on a basis of information on pressure from the pressure information collection unit; and an analysis result output unit that displays, in a superimposing manner, the skeleton direction vector calculated by the skeleton direction vector calculation unit and the floor reaction force vector calculated by the floor reaction force vector calculation unit.

Biometric system and method

A dynamic visual acuity measuring device includes a projector projecting an index image pattern, a reflecting mirror reflecting light from the projector, a screen receiving light from the reflecting mirror and displaying the index image pattern, a movable casing holding and maintaining relative positions of the projector, the reflecting mirror, and the screen, a fixed casing supporting the movable casing, and a rotating shaft linking the movable casing rotatably to the fixed casing. In this device, the index image pattern displayed on the screen is moved in one direction by the reflecting mirror being displaced and a direction of movement of the index image pattern is changed in a coordinate system fixed to the fixed casing by the rotating shaft being rotated.

Dynamic visual acuity measuring device and dynamic visual acuity measuring method

An object of the present invention is to provide a technique of quantitatively measuring physical properties including both viscosity and elasticity. A viscoelasticity measurement system includes a measurement apparatus, a processor, and a display apparatus. The measurement apparatus includes a movable unit continuously pressed against a measurement object, a first sensor outputting acceleration information corresponding to an acceleration of pressing-directional movement of a contact portion of the movable unit with respect to the measurement object, and a second sensor outputting reactive force information corresponding to a reactive force applied to the contact portion of the movable unit with respect to the measurement object. The processor calculates first information on an elasticity component of the measurement object and second information on a viscosity component of the measurement object based on the acceleration information and the reactive force information. The display apparatus displays the first information and the second information.

Viscoelasticity calculation system and viscoelasticity measurement method

The objective of the present invention is to provide a hardness meter which estimates hardness in a stable manner regardless of a compression strength. A hardness meter includes: a movable portion which is continuously pressed against an object to be measured; a sensor which outputs an output signal reflecting a reaction force at a part of the object to be measured; a motive force mechanism that causes the movable portion to perform a piston motion; a hardness estimating portion which estimates the hardness of the object on the basis of an alternating current component of the output signal, generated by the piston motion; a position estimating portion which estimates a measurement position information by shooting with a camera; and a hardness map display portion which maps and displays the hardness on a schematic diagram of the surface of a living body based on the measurement position information.

Hardness meter and hardness measuring method for estimating target object having hardness estimation portion that estimates hardness of measurement object based

An object of the present invention is to provide a durometer enabling a contact portion in contact with an object to perform smooth piston motion. The durometer includes a main body unit including a movable unit pressed continuously against an object to be measured, a first sensor outputting acceleration information corresponding to an acceleration of movement of a contact part of the object to be measured in contact with the movable unit in a pressing direction, a second sensor outputting reactive force information corresponding to a reactive force at the contact part of the object to be measured in contact with the movable unit, a motor, a crank mechanism driven by the motor and causing the main body unit and the movable unit to perform piston motion, and at least one buffering member disposed on a periphery of the main body unit.

Durometer

A training apparatus is capable of generating and presenting a suitable training menu for finger exercise to maintain or improve a cognitive function and/or an exercise function of a human and supporting training of the human. The training apparatus includes a measuring apparatus and a terminal device. Analysis evaluating data based on measurement of the finger exercise including finger tapping is obtained, and the analysis evaluating data contains an evaluation value of an index item related to an exercise function of a user. A training menu for the user is generated based on the analysis evaluating data and contains a training item for the finger exercise. The index item includes at least one of an amount of exercise, endurance, rhythmicity, cooperativeness of both sides, or marker trackability. The training item includes an exercise to carry out the finger tapping in accordance with teaching information, stimulation, or a marker.

Finger exercise training menu generating system, method thereof, and program thereof

The objective of the present invention is to provide a hardness meter which estimates hardness in a stable manner regardless of a compression strength. Disclosed is a hardness meter characterized in being provided with: a movable portion which is continuously pressed against an object to be measured; a sensor which outputs an output signal reflecting a reaction force at a part of the object to be measured that is in contact with the movable portion; a motive force mechanism that causes the movable portion to perform a piston motion; and a hardness estimating portion which estimates the hardness of the object to be measured on the basis of an alternating current component of the output signal, generated by the piston motion of the movable portion.

Hardness meter and method having hardness estimation portion that estimates hardness of measurement object based on alternating current component

A watching system, which calculates a fall probability of an imaged person to be fallen using a computer which includes a processor and a memory, includes a trunk extraction unit that receives time-series skeleton information of the imaged person, calculates an angle between a head and a waist of the imaged person based on the skeleton information, extracts the angle as a trunk of the imaged person, calculates the center of the trunk as a trunk center based on trunk information set in advance, extracts a trunk to be reference as a reference trunk from a time-series trunk calculated from the time-series skeleton information, and holds a center of the reference trunk, and a fall probability calculation unit that calculates a distance between a trunk center of the reference trunk and a trunk center of the trunk as a deviation amount, and calculates the fall probability from the deviation amount.

Watching system, watching method, and recording medium

Growing community of inventors

Tokyo, Japan

Akihiko Kandori