公开(公告)号：US12012207B2

公开(公告)日：2024-06-18

申请号：US17911619

申请日：2020-03-16

Applicant: NIPPON TELEGRAPH AND TELEPHONE CORPORATION

Inventor： Kazuaki Watanabe ,  Yujin Hamano ,  Daisuke Uchibori ,  Masafumi Nakagawa ,  Atsushi Aratake

IPC: B64C39/02 ,  B64U30/20 ,  E03F7/00 ,  B64U101/30

CPC classification number: B64C39/02 ,  B64U30/20 ,  E03F7/00 ,  B64U2101/30 ,  B64U2201/10 ,  B64U2201/20

Abstract: An inspection apparatus (100) according to an aspect of the present invention includes a first determination unit (121) that determines an operation of an unmanned aerial vehicle (1) based on a first threshold for determining whether the unmanned aerial vehicle (1) can enter the inside, a second threshold, which is greater than the first threshold, for determining whether the unmanned aerial vehicle (1) can land on a water surface of pooled water in the inside, and space information indicating a space of the inside, and a second determination unit (122) that determines a flight altitude of the unmanned aerial vehicle (1) with respect to the water surface or a floor surface of the manhole after the unmanned aerial vehicle (1) enters the inside based on the first and second thresholds, and the space information in a case where it has been determined that the unmanned aerial vehicle (1) can enter the inside and cannot land on the water surface.

公开(公告)号：US12216014B2

公开(公告)日：2025-02-04

申请号：US17912099

申请日：2020-03-18

Applicant: NIPPON TELEGRAPH AND TELEPHONE CORPORATION

Inventor： Daiki Kobayashi ,  Kazuaki Watanabe ,  Masafumi Nakagawa ,  Atsushi Aratake

IPC: G01L1/22 ,  G01B7/16 ,  G01L5/10 ,  G01L5/102 ,  G01M5/00 ,  F16L11/118 ,  H02G3/04

Abstract: A strain measuring device (100) is a strain measuring device (100) for measuring strain on an FEP (10), and includes a viscous body (101) that has a lower rigidity than the FEP (10) and covers an uneven surface of the FEP (10), and a strain gauge (102) that is attached to a portion of a surface of the viscous body (101).

公开(公告)号：US12071263B2

公开(公告)日：2024-08-27

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

IPC: B64U30/299 ,  B64C25/54 ,  B64C39/02 ,  B64U20/80 ,  B64U60/10 ,  B64U60/70

CPC classification number: B64U30/299 ,  B64C25/54 ,  B64C39/024 ,  B64U20/80 ,  B64U60/10 ,  B64U60/70

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.