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公开(公告)号：US20240116658A1
公开(公告)日：2024-04-11
申请号：US18028726
申请日：2020-09-30
Applicant: NIPPON TELEGRAPH AND TELEPHONE CORPORATION
Inventor： Daisuke UCHIBORI , Yujin HAMANO , Kazuaki WATANABE , Masafumi NAKAGAWA , Atsushi ARATAKE
IPC: B64U30/299
CPC classification number: B64U30/299
Abstract: A propeller guard 2 includes: a propeller guard body 10 configured to surround a propeller 30 of a flight vehicle 20; and a rotating member 40 provided on a side surface of the propeller guard body 10, in which the rotating member 40 is able to rotate around at least a horizontal base axis in a case where the rotating member 40 is in contact with a vertical plane located outside the propeller guard body 10.
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公开(公告)号：US20230121833A1
公开(公告)日：2023-04-20
申请号：US17913209
申请日：2020-03-25
Applicant: NIPPON TELEGRAPH AND TELEPHONE CORPORATION
Inventor： Kazuaki WATANABE , Yujin HAMANO , Daisuke UCHIBORI , Masafumi NAKAGAWA , Atsushi ARATAKE
Abstract: An unmanned aircraft (100) according to the present disclosure is equipped with a flight propeller (2) and includes a main body (1), a locomotion unit having an aquatic locomotion mechanism and a terrestrial locomotion mechanism independent of the flight propeller, and a connector that connects the main body and the locomotion mechanisms.
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公开(公告)号：US20240102967A1
公开(公告)日：2024-03-28
申请号：US17767422
申请日：2019-10-08
Applicant: NIPPON TELEGRAPH AND TELEPHONE CORPORATION
Inventor： Daiki KOBAYASHI , Yuta IKEGUCHI , Daisuke UCHIBORI , Masafumi NAKAGAWA , Atsushi ARATAKE
CPC classification number: G01N29/12 , G01N29/223 , G01N29/2418 , G01N2291/014
Abstract: A vibration test device (100) is a vibration test device for testing vibration of a pipeline (10) attached to a structure. The vibration test device includes a plurality of support members (101a, 101b) that are joined to a wall surface with a predetermined gap therebetween and support the pipeline, a first fixing member (102a) that fastens the pipeline to a first support member at a position where one end of the pipeline protrudes from the first support member, a second fixing member (102b) that fastens the pipeline to a second support member at a position where another end of the pipeline protrudes from the second support member, a vibration-applying portion (103) that applies vibration force to one of the support members, a detection unit (104) that detects vibration of the pipeline, and a measurement unit (105) that measures a vibration characteristic of the pipeline.
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公开(公告)号：US20240085928A1
公开(公告)日：2024-03-14
申请号：US17767834
申请日：2019-10-09
Applicant: NIPPON TELEGRAPH AND TELEPHONE CORPORATION
Inventor： Daisuke UCHIBORI , Yujin HAMANO , Masafumi NAKAGAWA , Atsushi ARATAKE
CPC classification number: G05D1/102 , B64U20/87 , B64U2101/30
Abstract: Provided is a crewless aircraft capable of accurately estimating its own position even inside a manhole, as well as a crewless aircraft control method. A crewless aircraft according to the present invention is a crewless aircraft used to inspect an interior of a manhole, and includes: a camera sensor that captures an image of a manhole opening; a plurality of rangefinders that measure a distance to a ground surface or a predetermined surface in the interior; and a control unit that estimates an own position on the basis of recognition information of the manhole opening obtained by performing recognition on image information obtained from the camera sensor, and distance information of the distance to the ground surface or the predetermined surface obtained from the rangefinders.
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公开(公告)号：US20240017855A1
公开(公告)日：2024-01-18
申请号：US18029095
申请日：2020-09-30
Applicant: NIPPON TELEGRAPH AND TELEPHONE CORPORATION
Inventor： Daisuke UCHIBORI , Yujin HAMANO , Kazuaki WATANABE , Masafumi NAKAGAWA , Atsushi ARATAKE
IPC: B64U30/299
CPC classification number: B64U30/299 , B64U2101/26
Abstract: A propeller guard 10 includes a frame 16 provided along a rotating surface of a propeller 30 and surrounding a rotating end 30b of the propeller 30, in which the frame 16 includes a plurality of protrusions 16b protruding outward in plan view.
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Patent Agency Ranking
公开(公告)号：US20230373616A1
公开(公告)日：2023-11-23
申请号：US18029083
申请日：2020-09-30
Applicant: NIPPON TELEGRAPH AND TELEPHONE CORPORATION
Inventor： Daisuke UCHIBORI , Yujin HAMANO , Kazuaki WATANABE , Masafumi NAKAGAWA , Atsushi ARATAKE
CPC classification number: B64C27/20 , B64C27/08 , B64C27/006
Abstract: A propeller guard 2 includes: a propeller guard body 10 configured to surround a propeller 30 of a flight vehicle 20; and a rod-shaped body 40 provided on an upper portion of the propeller guard body 10 and including a first end 44 and a second end 41, in which the first end 44 of the rod-shaped body 40 is provided near a peripheral portion of an upper surface of the propeller guard body 10, and the rod-shaped body 40 extends while passing above the upper surface of the propeller guard body 10 as viewed from vertically above.
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公开(公告)号：US20230110109A1
公开(公告)日：2023-04-13
申请号：US17906503
申请日：2020-03-23
Applicant: NIPPON TELEGRAPH AND TELEPHONE CORPORATION
Inventor： Kazuaki WATANABE , Yujin HAMANO , Daisuke UCHIBORI , Masafumi NAKAGAWA , Atsushi ARATAKE
Abstract: A propeller guard (200) according to the present disclosure is a propeller guard (200) for an unmanned aerial vehicle including a main body part (1) and a propeller part (2) and includes: an encircling part (210) that extends around the propeller part (2) and protects the propeller part (2); and a connection part (220) that connects the main body part (1) and the encircling part (210), wherein the encircling part (210) has a buoyant force for maintaining at least a part of the main body part (1) and the propeller part (2) above water.
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公开(公告)号：US20250131550A1
公开(公告)日：2025-04-24
申请号：US18836557
申请日：2022-02-08
Applicant: NIPPON TELEGRAPH AND TELEPHONE CORPORATION
Inventor： Wataru ITO , Atsushi ARATAKE , Yosuke SAKURADA , Daisuke UCHIBORI , Kazuaki WATANABE
Abstract: An image processing device (10) according to the present disclosure includes: an image division unit (12) that divides an image to be processed including a predetermined object into a plurality of divided images having a predetermined size; a region detection unit (13) that detects, for each of the plurality of divided images, an object region that is a pixel region of the object in each divided image and a deterioration region that is a pixel region of a deterioration portion of the object; an information combining unit (14) that generates an object detection result image obtained by combining images of a plurality of the object regions detected for the respective plurality of divided images while maintaining a positional relationship among the plurality of divided images, and a deterioration detection result image obtained by combining images of a plurality of the deterioration regions detected for the respective plurality of divided images while maintaining the positional relationship among the plurality of divided images; and a diagnosis unit (15) that diagnoses deterioration of the object on the basis of the object detection result image and the deterioration detection result image.
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公开(公告)号：US20250022260A1
公开(公告)日：2025-01-16
申请号：US18714563
申请日：2021-12-02
Applicant: NIPPON TELEGRAPH AND TELEPHONE CORPORATION
Inventor： Kazuaki WATANABE , Daisuke UCHIBORI , Yosuke SAKURADA , Atsushi ARATAKE
IPC: G06V10/776 , G06T7/60 , G06V10/774 , G06V10/82 , G06V10/98
Abstract: A learning model construction device (3A) according to the present disclosure includes: a plurality of learning units (354-k) that constructs a respective plurality of learning models by using a respective plurality of loss functions different from each other on the basis of teacher data in which image data indicating a learning image is associated with a true value of a scale of the learning image; a plurality of verification units (355-k) that respectively calculates, for an optimal verification image, a plurality of estimated values; a plurality of correlation calculation units (356-k) that calculates respective correlations of the true value with the plurality of estimated values of the scale; and an optimal learning model selection unit (357) that selects an optimal learning model that is a learning model of which a corresponding one of the correlations is the highest.
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公开(公告)号：US20240265564A1
公开(公告)日：2024-08-08
申请号：US18566638
申请日：2021-06-04
Applicant: NIPPON TELEGRAPH AND TELEPHONE CORPORATION
Inventor： Yujin HAMANO , Kazuaki WATANABE , Daisuke UCHIBORI , Yosuke SAKURADA , Atsushi ARATAKE
IPC: G06T7/60
CPC classification number: G06T7/60 , G06T2207/30168
Abstract: A deterioration determination device (2) according to the present disclosure includes an input unit (21) that receives an input of image data indicating an image including a figure of an inspection object, a correction unit (232) that generates a corrected image in which the image is corrected to increase an aspect ratio of a region surrounding the figure of at least some inspection object included in the image, a target region extraction unit (252) that extracts, from the corrected image, a target region indicating the figure of the inspection object included in the corrected image, a deterioration region detection unit (253) that detects a deterioration region indicating a figure of a deterioration portion of the inspection object from the corrected image, and a determination unit (254) that determines a deterioration degree of the inspection object based on the target region and the deterioration region.
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