Patents by Inventor Arinobu Niijima
Arinobu Niijima has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Publication number: 20250044260Abstract: According to one aspect of this invention, upon estimating a contact state or a state of an object when a sensing unit is brought into contact with the object, a sensor device in which a first piezoelectric element and a second piezoelectric element are integrally configured in a state of being overlapped with each other is provided in the sensing unit. Then, an acoustic interface unit drives the first piezoelectric element to transmit a first sound wave and detects a reception signal corresponding to a second sound wave received by the second piezoelectric element in response to the transmission of the first sound wave, and an estimation device extracts a frequency feature amount from the reception signal and estimates a contact state of the sensing unit with the object or a state of the object on the basis of the extracted frequency feature amount.Type: ApplicationFiled: November 5, 2021Publication date: February 6, 2025Applicant: NIPPON TELEGRAPH AND TELEPHONE CORPORATIONInventors: Arinobu NIIJIMA, Yuki KUBO
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Patent number: 12205572Abstract: Disclosed is a food texture presentation apparatus including a synthesizer that acquires, with reference of a recipe of a food product selected, audio signals of mastication sounds of ingredients contained in the food product from a database and synthesizes the acquired audio signals of the ingredients into an audio signal of a food texture to be presented, and a presentation unit that uses the synthesized audio signal to present the food texture of the food product.Type: GrantFiled: April 24, 2020Date of Patent: January 21, 2025Assignee: Nippon Telegraph and Telephone CorporationInventors: Arinobu Niijima, Toki Takeda, Takafumi Mukouchi, Takashi Sato
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Publication number: 20250010133Abstract: One aspect of the present invention acquires sensor data reflecting a motion state of a measurement object at a preset sample rate, estimates a feature amount representing the motion state from the acquired sensor data, compares the estimated feature amount with a determination index prepared in advance to generate determination information of the motion state, and variably sets a transmission parameter for transmitting the sensor data to a remote place for each sample on the basis of the generated determination information.Type: ApplicationFiled: December 15, 2021Publication date: January 9, 2025Applicant: NIPPON TELEGRAPH AND TELEPHONE CORPORATIONInventor: Arinobu NIIJIMA
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Publication number: 20250013306Abstract: A vibration perception position control device includes a sound image localization setting unit, a vibration signal generation unit, a synchronization control unit, a guidance control unit, a sound control unit, and a vibration control unit. The sound image localization setting unit performs setting for localizing a sound image in a drive signal of a sound device on the basis of information indicating a direction of a sound source of each sound included in sound data. The vibration signal generation unit generates a vibration signal on the basis of information indicating vibration of a vibration device that applies vibration to a palm surface of a user. The synchronization control unit performs control to synchronize timings at which sound and vibration are generated. The guidance control unit controls presentation of guidance information for guiding the orientation and angle of the palm surface.Type: ApplicationFiled: December 14, 2021Publication date: January 9, 2025Applicant: NIPPON TELEGRAPH AND TELEPHONE CORPORATIONInventors: Toki TAKEDA, Arinobu NIIJIMA, Ryosuke AOKI, Shinji MIYAHARA
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Publication number: 20240408388Abstract: A finger exercise assistance device according to one aspect of the present invention includes an EMS (electrical muscle stimulation) control unit configured to control: a first EMS presentation unit configured to present a first EMS to a user's extensor muscle to contract the extensor muscle; and a second EMS presentation unit configured to present a second EMS to the user's flexor muscle that is an antagonist to the extensor muscle to contract the flexor muscle, wherein the EMS control unit is configured to drive the second EMS presentation unit to present the second EMS to the user's flexor muscle while the first EMS is presented to the user's extensor muscle, and the second EMS has a stronger intensity than the first EMS.Type: ApplicationFiled: October 6, 2021Publication date: December 12, 2024Applicant: NIPPON TELEGRAPH AND TELEPHONE CORPORATIONInventor: Arinobu NIIJIMA
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Publication number: 20240398337Abstract: Provided are a stimulation adjustment device, a stimulation adjustment method, and a stimulation adjustment program that can automatically adjust the intensity of stimulation presented to a user. A stimulation adjustment device according to one embodiment includes: a signal input unit to which a measurement signal of electrodermal activity of a user is input; an analysis unit that analyzes the electrodermal activity on the basis of the measurement signal; an adjustment unit that generates an instruction signal for adjusting an intensity of stimulation presented to the user according to a result of the analysis of the electrodermal activity; and a signal output unit that outputs the instruction signal.Type: ApplicationFiled: October 6, 2021Publication date: December 5, 2024Applicant: NIPPON TELEGRAPH AND TELEPHONE CORPORATIONInventor: Arinobu NIIJIMA
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Publication number: 20240390674Abstract: A grip strength enhancement device according to one aspect of the present invention includes a grip motion detection unit that detects a grip motion of a user, and an electrical muscle stimulation (EMS) control unit that controls an EMS presentation unit that presents EMS to a muscle of at least one of an upper arm and a shoulder of the user, and the EMS control unit drives the EMS presentation unit to present the EMS to the muscle of at least one of the upper arm and the shoulder of the user in response to the detection of the grip motion of the user.Type: ApplicationFiled: October 6, 2021Publication date: November 28, 2024Applicant: NIPPON TELEGRAPH AND TELEPHONE CORPORATIONInventor: Arinobu NIIJIMA
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Patent number: 12131626Abstract: A food texture presentation apparatus of the present embodiment includes a force stimulation presentation unit, a vibration stimulation presentation unit, and a temperature stimulation presentation unit that present different kinds of haptic stimuli in the oral cavity, a selection unit that selects a haptic stimulus to be presented, according to the food texture, and a force stimulation controller, a vibration stimulation controller, and a temperature stimulation controller that control respectively the force stimulation presentation unit, the vibration stimulation presentation unit, and the temperature stimulation presentation unit that present the selected haptic stimulus.Type: GrantFiled: April 24, 2020Date of Patent: October 29, 2024Assignee: Nippon Telegraph and Telephone CorporationInventors: Arinobu Niijima, Toki Takeda, Takafumi Mukouchi, Takashi Sato
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Patent number: 12061740Abstract: A tactile stimulation presentation device 1 includes a measurement unit 11 configured to measure a first physical quantity with respect to a tactile sensation applied to a first region of a human body, a control unit 12 configured to convert the first physical quantity into a second physical quantity of a different type from the first physical quantity, and a presentation unit 13 configured to apply the second physical quantity to a second region different from the first region.Type: GrantFiled: February 10, 2020Date of Patent: August 13, 2024Assignee: Nippon Telegraph and Telephone CorporationInventors: Arinobu Niijima, Toki Takeda, Motohiro Makiguchi, Takafumi Mukouchi, Takashi Sato
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Patent number: 11980791Abstract: A living body guidance device includes: a measurement unit 1 that measures biometric information of a user; a stimulus unit 2 that is installed in contact with the user's body and presents a tactile stimulus to the user; a database unit 3 that has a relationship between the tactile stimulus presented by the stimulus unit and the biometric information according to the tactile stimulus recorded; an input unit 4 that sets target biometric information which is target biometric information that is desired of the user to realize; and a control unit 7 that, when there is a difference between current biometric information which is current biometric information of the user estimated based on the measurement result by the measurement unit and the target biometric information, controls the tactile stimulus presented by the stimulus unit so that the difference is reduced, so as to guide the user so that the current biometric information approaches the target biometric information, based on the relationship recorded in thType: GrantFiled: June 12, 2019Date of Patent: May 14, 2024Assignee: NIPPON TELEGRAPH AND TELEPHONE CORPORATIONInventors: Mana Sasagawa, Arinobu Niijima, Kana Eguchi, Ryosuke Aoki, Takashi Isezaki, Tomoki Watanabe, Toshitaka Kimura
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Patent number: 11941165Abstract: A temperature stimulus presentation device includes a presentation unit that generates heat at a predetermined temperature, and a control unit that changes an area of the presentation unit depending on whether or not a temperature stimulus is presented.Type: GrantFiled: February 10, 2020Date of Patent: March 26, 2024Assignee: Nippon Telegraph and Telephone CorporationInventors: Arinobu Niijima, Toki Takeda, Takafumi Mukouchi, Takashi Sato
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Publication number: 20240062673Abstract: A relaxation support device including: an electrical stimulation control unit configured to control electrical stimulation to a muscle different from a muscle to be relaxed based on a muscle activity of the muscle to be relaxed; and an electrical stimulation presentation unit configured to present the electrical stimulation to a muscle different from the muscle to be relaxed.Type: ApplicationFiled: January 14, 2021Publication date: February 22, 2024Inventors: Arinobu NIIJIMA, Toki TAKEDA, Ryosuke AOKI, Yukio KOIKE
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Patent number: 11900793Abstract: A thermal stimulus presentation device 1 for presenting a thermal stimulus in the mouth includes a presentation unit 13 that presents the thermal stimulus in the mouth, a receiving unit 11 that receives notification information for notifying a user, and a control unit 12 that controls the thermal stimulus of the presentation unit 13, upon the notification information being received, the presentation unit 13 presenting the thermal stimulus in the mouth in accordance with the control of the control unit 11.Type: GrantFiled: December 17, 2019Date of Patent: February 13, 2024Assignee: Nippon Telegraph and Telephone CorporationInventors: Arinobu Niijima, Toki Takeda, Takafumi Mukouchi, Takashi Sato
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Patent number: 11893879Abstract: A stimulus presentation device 13 that stimulates a user with air from a plurality of air guns 14 arranged so as to surround the user includes a control unit 132 that determines respective ejection times at which a plurality of air streams are to be ejected at given time intervals which allow the user to perceive an apparent motion as well as respective ejection azimuth directions in which the plurality of air streams are to be ejected and causes the air streams to be sequentially ejected from the respective air guns 14 disposed in the individual ejection azimuth directions at the individual ejection times and an adjustment unit that determines a plurality of different body sites on a body of the user to which the plurality of air streams are to be applied and adjusts respective ejection angles of the individual air guns 14 such that respective muzzles of the air guns 14 are pointed at the plurality of body sites.Type: GrantFiled: November 7, 2019Date of Patent: February 6, 2024Assignee: Nippon Telegraph and Telephone CorporationInventors: Toki Takeda, Arinobu Niijima, Takafumi Mukouchi, Takashi Sato
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Patent number: 11837105Abstract: The number n of times of chewing is counted by chewing number of times calculation means (13b2) based on a change in the distance l from a photoreflector (50), which is received together with time t by measurement value receiving means (13b1). To vary hardness h of a bag (30) to a stage that can be sensed, according to the number n of times of chewing, a required air pressure is set according to the current number n of times, based on a hardness/air pressure correspondence recording unit (13g) in which stages that have a significant difference therebetween and are stored in association with the number n of times of chewing are recorded. To realize the set air pressure inside the bag (30), the amount of sucking performed using a vacuum pump 20 is controlled by air pressure control means (13b4).Type: GrantFiled: February 21, 2019Date of Patent: December 5, 2023Assignee: Nippon Telegraph and Telephone CorporationInventors: Mana Sasagawa, Arinobu Niijima, Ryosuke Aoki, Tomoki Watanabe, Tomohiro Yamada
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Publication number: 20230381511Abstract: A force control support device includes: a sound wave transmitting unit that causes a sound output device mounted on a user to transmit a first sound wave having a predetermined waveform; a sound wave receiving unit that causes a sound input device mounted on the user to receive a second sound wave based on the first sound wave; an estimation unit that estimates an amount of force being applied by the user based on the first sound wave and the second sound wave; and an electrical stimulation presentation unit that presents an electrical stimulation according to the amount of force estimated by the estimation unit from an electrode mounted on the user.Type: ApplicationFiled: November 6, 2020Publication date: November 30, 2023Inventors: Arinobu NIIJIMA, Yuki KUBO
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Publication number: 20230293093Abstract: A posture determination device includes a sound wave reception unit configured to receive sound waves in an inaudible range output from a sound wave transmission unit worn by a user; and a posture determination unit configured to determine quality of a posture of the user based on the sound wave in the inaudible range and output a determination result.Type: ApplicationFiled: August 27, 2020Publication date: September 21, 2023Applicant: NIPPON TELEGRAPH AND TELEPHONE CORPORATIONInventor: Arinobu NIIJIMA
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Publication number: 20230248266Abstract: The present invention includes: a center of gravity measurement unit 10 configured to measure a change in a center of gravity position of a standing posture of a user; a tactile stimulation signal generation unit 20 configured to, in a case where the center of gravity position deviates from a predetermined range, generate a tactile stimulation signal for applying tactile stimulation to the user; and a tactile stimulation presentation unit 30 configured to convert the tactile stimulation signal into tactile stimulation and present the tactile stimulation to a sole of a foot of the user.Type: ApplicationFiled: July 7, 2020Publication date: August 10, 2023Inventors: Arinobu NIIJIMA, Toki TAKEDA, Takashi SATO
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Publication number: 20230195210Abstract: A presentation device 1 includes an obtaining unit 11 which obtains information to be notified to a user, a control unit 12 which inputs, to a presentation unit 13, an instruction for presenting a temperature stimulus if there is information to be notified to the user, and the presentation unit 13 which presents the temperature stimulus in response to the instruction for presenting the temperature stimulus received from the control unit 12 such that the user feels that temperature stimulus when the presentation unit touches a first part and the user does not feel the temperature stimulus when the presentation unit touches the second part which is less perceptive than the first part. The presentation unit 13 is provided at a location where the presentation unit can touch the first part by means of an action of the user.Type: ApplicationFiled: March 25, 2020Publication date: June 22, 2023Inventors: Arinobu NIIJIMA, Toki TAKEDA, Takafumi MUKOUCHI, Takashi SATO
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Publication number: 20230176397Abstract: A blink acceleration device (1) includes: a number of blinks calculation unit (141) that calculates the number of blink operations per unit time of a monitoring target person; and a tactile stimulus operation unit (12) that performs an operation of stimulating eyelashes as a tactile stimulus operation for the monitoring target person when the number calculated by the number of blinks calculation unit is less than a preset threshold.Type: ApplicationFiled: July 3, 2020Publication date: June 8, 2023Inventors: Arinobu NIIJIMA, Toki TAKEDA, Takashi SATO