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公开(公告)号：US12111657B2
公开(公告)日：2024-10-08
申请号：US17204410
申请日：2021-03-17
Inventor： Shunsuke Kuhara , Kazunobu Konishi , Stephen William John , Katsuhiko Asai , Kazuo Inoue
IPC: G05D1/00 , B64U10/14 , B64U101/30 , G10L25/48 , H04R1/32
CPC classification number: G05D1/005 , G10L25/48 , H04R1/32 , B64U10/14 , B64U2101/30 , B64U2201/00 , B64U2201/104 , H04R2440/00
Abstract: An unmanned aerial vehicle includes: a sensor including at least a microphone that generates sound data; and a processor. The processor determines a quality of a target sound by using the sound data generated by the microphone, acquires a positional relationship between the unmanned aerial vehicle and a sound source of the target sound by using data generated by the sensor, determines a destination to which the sound source is to move based on the quality of the target sound and the positional relationship, and presents target movement information that prompts the sound source to move toward the destination.
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公开(公告)号：US10946534B2
公开(公告)日：2021-03-16
申请号：US16039289
申请日：2018-07-18
Inventor： Takayuki Nagata , Yasunao Okazaki , Katsuhiko Asai , Kazuo Inoue
Abstract: A robot hand apparatus includes a first holder having a first sucking surface that is bendable at any position and configured to suck an object using negative pressure; a second holder arranged to oppose the first sucking surface of the first holder; and a driving mechanism configured to change a distance between the first holder and the second holder to sandwich the object between the first holder and the second holder.
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公开(公告)号：US09771956B2
公开(公告)日：2017-09-26
申请号：US15244066
申请日：2016-08-23
Inventor： Katsuhiko Asai , Takayuki Nagata , Kazuo Inoue
IPC: F15B15/10
CPC classification number: F15B15/103
Abstract: An actuator converts the pressure of a fluid into a change in the length of the actuator and is formed such that an elastic tube is spirally wound. The tube is wound around the axis of the actuator. One or more grooves are spirally formed on the outer surface of the tube along the axial center of the tube. When the fluid contained in the inside of the tube is pressurized, a torsional force is applied to the tube along the spirals of the one or more grooves and causes the actuator to contract in the axial direction. Even when an external force acts in a direction in which the actuator is bent, the volume of the inside of the tube is not substantially varied. Accordingly, the actuator can be allowed to freely move in a bending direction.
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4.发明授权公开(公告)号：US11656639B2
公开(公告)日：2023-05-23
申请号：US17469317
申请日：2021-09-08
Inventor： Stephen William John , Kazunobu Konishi , Katsuhiko Asai , Kazuo Inoue , Shunsuke Kuhara
CPC classification number: G05D1/12 , B64C39/024 , G05D1/0094 , G05D1/104 , H04R1/20 , B64U30/20 , H04R2499/13
Abstract: An information processing method performed by a computer includes: determining whether a target sound has been recognized; when it is determined that the target sound has been recognized, acquiring positions and sound recording directions of unmanned aerial vehicles; acquiring noise-related information regarding noise generated by at least one of the unmanned aerial vehicles; acquiring an estimated position of a sound recording target estimated from the target sound; determining at least one of target positions and target sound recording directions of the unmanned aerial vehicles based on the estimated position of the sound recording target, the positions and the sound recording directions of the unmanned aerial vehicles, and the noise-related information; and outputting, to each of the unmanned aerial vehicles, at least one of a request for moving to the target position and a request for setting the sound recording direction to the target sound recording direction.
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公开(公告)号：US10814497B2
公开(公告)日：2020-10-27
申请号：US16038208
申请日：2018-07-18
Inventor： Takayuki Nagata , Yasunao Okazaki , Katsuhiko Asai , Kazuo Inoue
Abstract: A robot hand apparatus includes a holder having a bendable sucking surface that sucks an object; a magnetic elastic body arranged at the holder and formed of an elastic material containing magnetic particles; and a magnetic-field generator that is arranged at the holder and applies a magnetic field to the magnetic elastic body to change a coefficient of elasticity of the magnetic elastic body. When the magnetic-field generator applies a magnetic field to the magnetic elastic body, a flexible portion and a hardened portion having a bigger coefficient of elasticity than that of the flexible portion are formed in the magnetic elastic body. When the holder holds the object, in a state in which the sucking surface is bent at a position corresponding to the flexible portion, a region of the sucking surface between the position and a distal end of the holder sucks the object.
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Patent Agency Ranking
公开(公告)号：US12045069B2
公开(公告)日：2024-07-23
申请号：US17316139
申请日：2021-05-10
Inventor： Katsuhiko Asai , Kazuo Inoue , Kazunobu Konishi , Stephen William John , Shunsuke Kuhara
CPC classification number: G05D1/12 , B64C39/024 , B64D47/00 , G05D1/0094 , G05D1/0808 , H04R1/326 , H04R29/004 , B64U2101/30
Abstract: Unmanned aerial vehicle includes a microphone which picks up a sound emitted by a target, an actuator which extends to change a position of the microphone, and a processor. The processor obtains positional relationship information which indicates at least one of a position of the target or a distance from the unmanned aerial vehicle to the target, causes the unmanned aerial vehicle to move to a first position at which the unmanned aerial vehicle and the target have a predetermined positional relationship based on the positional relationship information, and causes actuator to extend toward the target after unmanned aerial vehicle moves to the first position.
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公开(公告)号：US11469691B2
公开(公告)日：2022-10-11
申请号：US16520797
申请日：2019-07-24
Inventor： Stephen William John , Kazunobu Konishi , Katsuhiko Asai , Kazuo Inoue
Abstract: An unmanned aircraft includes: a processor; and at least two generators that generate thrust for the unmanned aircraft to fly, the at least two generators each including a corresponding one of rotor blades that produce airflows. In the unmanned aircraft, the processor generates a control request for changing a rotational speed of at least one of the rotor blades of the at least two generators to reduce a difference between rotational speeds, in response to start of sound recording by a microphone, and the at least two generators rotate the rotor blades in accordance with the control request.
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公开(公告)号：US11186364B2
公开(公告)日：2021-11-30
申请号：US16454273
申请日：2019-06-27
Inventor： Kazunobu Konishi , Stephen William John , Kazuo Inoue , Katsuhiko Asai
IPC: B64C39/02
Abstract: An information processing method includes the following steps performed using a processor: obtaining first region information indicating a first region; obtaining first position information indicating the position of an unmanned aerial vehicle tethered to a mobile tethering body using a tether; determining, using the first region information and the first position information, a first destination which is a destination of the mobile tethering body; and moving the mobile tethering body to the first destination. The first destination is a position located at least a predetermined distance from a point which is on the boundary of the first region and located the shortest distance from the position of the unmanned aerial vehicle, in the direction from the point on the boundary of the first region to the position of the unmanned aerial vehicle.
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公开(公告)号：US10294966B2
公开(公告)日：2019-05-21
申请号：US15641056
申请日：2017-07-03
Inventor： Katsuhiko Asai , Jun Ozawa , Takayuki Nagata , Kazuo Inoue
Abstract: An actuator body includes a tube that has a space therein and is wound spirally about a first axis. The tube has a plurality of first portions and a plurality of second portions, the tube has one or more grooves in at least one of an outer circumferential surface and an inner circumferential surface thereof, and the one or more grooves are provided spirally about a longitudinal axis of the tube, the space is in contact with the inner circumferential surface, and the outer circumferential surface is a surface opposite to the inner circumferential surface, each of the plurality of first portions has higher torsional rigidity than each of the plurality of second portions, the plurality of first portions are aligned along the first axis, and the plurality of first portions do not overlap the plurality of second portions.
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公开(公告)号：US10288089B2
公开(公告)日：2019-05-14
申请号：US15671918
申请日：2017-08-08
Inventor： Katsuhiko Asai , Takayuki Nagata , Kazuo Inoue
Abstract: An actuator includes a displaceable portion, first to fourth artificial muscles, a pressure adjuster that changes a pressure of a fluid filled in the first and second artificial muscles, an open-close valve that allows a fluid to flow into or out of the third and fourth artificial muscles, and a controller that drives the pressure adjuster and controls the open-close valve. Each of the first to fourth artificial muscles includes a coiled elastic tube. In an outer circumferential surface of the tube, grooves are helically formed about an axis of the tube. The tube is filled with a fluid. In the first artificial muscle, a direction in which the tube is coiled is opposite to a direction in which the grooves extend helically. In each of the second to fourth artificial muscles, a direction in which the tube is coiled is the same as a direction in which the grooves extend helically.
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