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公开(公告)号：US10882600B2
公开(公告)日：2021-01-05
申请号：US16617065
申请日：2018-10-22
Applicant: PRODRONE CO., LTD.
Inventor： Kiyokazu Sugaki
Abstract: An unmanned aerial vehicle having an airframe whose horizontal dimension is efficiently reduced. This object is solved by an unmanned aerial vehicle that includes: a rotor; an arm; and an arm connector. The arm connector includes an arm holder that is a fixing member holding a part of the arm in a longitudinal direction of the arm. The part of the arm held by the arm holder is changeable by sliding the arm in the longitudinal direction of the arm relative to the arm holder. The arm holder is a movable member movable in directions in which the arm is turned upward and downward and/or rightward and leftward. The object is also solved by an unmanned aerial vehicle that includes: a rotor; an arm; and an arm connector. The arm is provided with a hinge on which the arm is foldable at a middle portion of the arm.
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公开(公告)号：US20200057454A1
公开(公告)日：2020-02-20
申请号：US16303969
申请日：2016-11-30
Applicant: PRODRONE CO., LTD.
Inventor： Kazuo ICHIHARA
Abstract: In order to provide an unmanned aircraft capable of minimizing damage due to a crash caused by malfunction or the like during flight, a flight route is set on map information including a fall avoidance area, control is performed such that the aircraft flies on a set flight route, and information at each position during flight on the flight route is acquired in relation to the map information in real time to determine whether or not the aircraft is approaching the fall avoidance area. In a case where it is determined that the aircraft is approaching the fall avoidance area, control is performed so as to increase a flight speed.
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公开(公告)号：US20190314990A1
公开(公告)日：2019-10-17
申请号：US16301719
申请日：2017-01-12
Applicant: PRODRONE CO., LTD.
Inventor： Kiyokazu SUGAKI , Kazuo ICHIHARA
Abstract: A robot arm that can be suitably used in aerial vehicles and an unmanned aerial vehicle equipped with the robot arm. The robot arm includes: an arm unit includes a plurality of joints; arm controlling means for controlling driving of the joints; and a displacement detector configured to detect a change of a position and inclination of the arm unit. The arm unit has a base end connected to the aerial vehicle. At least a leading end of the arm unit is exposed to an outside of the aerial vehicle. When the displacement detector has detected a position error that is an unexpected change of the position or inclination of the arm unit, the arm unit controlling means is configured to cause the joints to absorb the position error so as to prevent the position error from being transmitted to a side of the leading end of the arm unit.
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公开(公告)号：US10408617B2
公开(公告)日：2019-09-10
申请号：US15775043
申请日：2016-12-12
Applicant: PRODRONE CO., LTD.
Inventor： Shintaro Kusumoto , Kiyokazu Sugaki , Kazuo Ichihara
IPC: G01C13/00 , G01F23/04 , G01F23/292 , B64C39/02 , G06T7/60 , G05D9/12 , G06T7/73 , G06T7/90 , G05D1/10
Abstract: A water level measurement system including: a water level gauge including a scale part which is installed to extend upward at a predetermined angle of inclination from a water surface; and an unmanned aerial vehicle including image capturing means for capturing the scale part from above and a plurality of rotary wings, and is also solved by a water level control system including the water level measurement system and water level adjustment equipment capable of adjusting an amount of water in a water area in which the water level gauge is installed, wherein the unmanned aerial vehicle includes the water level determining unit and water level control means for remotely operating the water level adjustment equipment through wireless communication, as well as a water level measurement method and a water level control method using the above systems.
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公开(公告)号：US10246188B2
公开(公告)日：2019-04-02
申请号：US15756048
申请日：2016-08-30
Applicant: PRODRONE CO., LTD.
Inventor： Kazuo Ichihara , Kiyokazu Sugaki
Abstract: An apparatus for controlling a still position in the air, allowing a miniature unmanned aerial vehicle equipped with a plurality of rotors to move swiftly to a given position in the air and make its airframe hover stably in that position, the apparatus including a miniature unmanned aerial vehicle equipped with a plurality of rotors, a stationary plane from which and on which the miniature unmanned aerial vehicle takes off and lands, and a plurality of string-like members which link the miniature unmanned aerial vehicle with the stationary plane, wherein the plurality of string-like members are stretched to a length for all the members to become tense when the miniature unmanned aerial vehicle has come to a specified position which is a given position in the air. Also, it is preferable that the plurality of string-like members include at least three string-like members.
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Patent Agency Ranking
公开(公告)号：US20190044424A1
公开(公告)日：2019-02-07
申请号：US16073230
申请日：2017-01-12
Applicant: PRODRONE CO., LTD.
Inventor： Kiyokazu SUGAKI , Kazuo ICHIHARA
IPC: H02K29/08 , H02K11/215
Abstract: A motor driver for an outer-rotor sensorless brushless motor (hereinafter simply referred to as “motor”), the motor driver including: an external magnetic sensor; and a drive circuit. The external magnetic sensor is configured to detect a leakage flux of a permanent magnet of the motor at an outside of the motor, the permanent magnet being arranged on an inner circumferential surface of a rotor of the motor. The drive circuit is configured to control rotation of the motor based on: a control signal for the motor input into the drive circuit; and feedback input into the drive circuit from the external magnetic sensor.
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公开(公告)号：US20180370604A1
公开(公告)日：2018-12-27
申请号：US15780652
申请日：2016-11-28
Applicant: PRODRONE CO., LTD.
Inventor： Kazuo ICHIHARA
Abstract: An underwater exploration system enables signal transmission and reception to and from an underwater vehicle through wireless communication, that enables carriage of the underwater vehicle to a survey point and collection of the underwater vehicle, and, further, that enables a quick change of the survey point. The underwater exploration system includes: an underwater exploration unit including: a floating member including a first antenna and configured to support the first antenna above a water surface; and an underwater vehicle connected to the first antenna via a signal line; a communication device including a second antenna configured to transmit and receive a wireless signal to and from the first antenna; and an unmanned aerial vehicle configured to carry the underwater exploration unit and drop the underwater exploration unit to the water surface.
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公开(公告)号：US20180307907A1
公开(公告)日：2018-10-25
申请号：US15765461
申请日：2016-05-10
Applicant: PRODRONE CO., LTD.
Inventor： Kazuo ICHIHARA
CPC classification number: G06K9/00664 , B64C39/024 , B64C2201/127 , B64C2201/145 , G06Q50/10
Abstract: A system for identifying an unmanned moving object, including: a mobile terminal, an unmanned moving object provided with moving means for enabling the object to move arbitrarily, a management server provided with a database to which specific information including possessor information of the unmanned moving object and individual object management information correlating with the specific information are input, and a communication network which enables communication between the mobile terminal and the management server, wherein identification information that is acquired when a user of the mobile terminal has encountered the unmanned moving object is associated with the individual object management information in advance and the mobile terminal acquires the identification information, acquires specific information by checking the identification information of the mobile terminal for a match within the individual object management information on the management server, and ascertains the possessor information of the unmanned moving object.
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公开(公告)号：US10108072B1
公开(公告)日：2018-10-23
申请号：US15764290
申请日：2016-10-07
Applicant: PRODRONE CO., LTD.
Inventor： Kiyokazu Sugaki , Kazuo Ichihara
Abstract: To make it possible to control an image capturing position and its direction in water easily and flexibly through the use of a miniature unmanned aerial vehicle equipped with a plurality of rotors. This is solved by an underwater image capturing apparatus including a miniature unmanned aerial vehicle equipped with a plurality of rotors, a winding machine capable of delivering and winding a string-like member, and an underwater camera capable of capturing images in water, wherein the winding machine is fixed to the miniature unmanned aerial vehicle and the string-like member is connected to the underwater camera.
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公开(公告)号：US10099778B2
公开(公告)日：2018-10-16
申请号：US15759811
申请日：2016-09-06
Applicant: PRODRONE CO., LTD.
Inventor： Kiyokazu Sugaki , Kazuo Ichihara
Abstract: To provide an unmanned aerial vehicle that can allow its airframe to approach a structure surface safely and is able to move on a surface of the structure, while keeping a constant clearance between the structure surface and the airframe. This is solved by an manned aerial vehicle including one or a plurality of rotors and a plurality of rotating bodies having one or more driving sources, wherein at least a part of each of the rotating bodies in their rotational radius direction extends forth on an air intake side of the rotors relative to a position of rotational planes of the rotors, and negative pressure produced on the air intake side of the rotors causes the airframe to adhere by suction to a structure surface, and in this state, by driving the plurality of rotating bodies, the vehicle is enabled to travel on the surface.
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