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.

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.

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.

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.

Abstract: A flight control apparatus that prevents an unmanned aerial vehicle from deviating from a predetermined flight-permitted area and is able to forcibly restrain it even when abnormality is present in the flight environment and the operation of the respective mechanisms of the vehicle, and an unmanned aerial vehicle equipped with this apparatus. The apparatus includes current position acquiring means for acquiring a flight position of the vehicle, flight-permitted area storing means, and deviation preventing means, wherein it forcibly makes the body unable to fly when: the current position acquiring means has become unable to acquire the position of the body, the flight position of the body is in the vicinity of the boundaries between the flight-permitted area and space external thereto or keeps out of the flight-permitted area for a predetermined time or longer, or the body has moved away a predetermined distance or more from the flight-permitted area.

Abstract: A system that realizes transferring voice effectively, at low cost, and safely in a broad area and even in a case where there is a sparse number of target persons to whom voice is intended to be transferred in an area. This is solved by a voice transfer system including an unmanned aerial vehicle capable of standing still at one point in the air and a supervisory center capable of wireless communication with the unmanned aerial vehicle, wherein the unmanned aerial vehicle includes voice output means capable of outputting voice.

Abstract: A multicopter equipped with a fall prevention device enabling it to prevent the airframe from falling even in case the multicopter has become unable to fly normally for various reasons. A multicopter includes a multicopter main body having rotors which are driven by a power source, a plurality of emergency rotors which are driven by an emergency power source which is different from the power source, abnormality detection sensors for detecting abnormality of the multicopter main body, and an emergency control device, the multicopter being configured such that, when the abnormality detection sensors have detected abnormality of the multicopter main body, the emergency control device performs control to deactivate operation of the rotors and drive the emergency rotors by the emergency power source to prevent a rapid fall of the multicopter.

Abstract: An electricity generating apparatus capable of efficiently and safely charging a storage battery in an unmanned aerial vehicle during its flight and an unmanned aerial vehicle equipped with such apparatus. The apparatus is mounted in the vehicle, including a fuel tank which is a container body to reserve fuel, an electric generator unit connected to the fuel tank, tilt measurement means capable of measuring a tilt of the fuel tank, and electricity generation control means for controlling operation of generating electricity by the electric generator unit, wherein the electric generator unit is capable of charging a storage battery in the vehicle during flight, and the electricity generation control means drives the electric generator unit when a tilt angle of the fuel tank indicated by the tilt measurement means is within a safe angle which is a predetermined threshold angle, as well as an unmanned aerial vehicle equipped with such apparatus.

Abstract: A flight interference apparatus enabling it to block intrusion by a miniature unmanned aerial vehicle which is remotely piloted by radio communication into an area to be protected, suppress influence on communication within and outside the area, and reduce the number of required antenna devices. The flight interference apparatus includes one or a plurality of antenna devices which radiate a jamming signal from a directional antenna, and the directional antenna includes a radiating element which radiates a jamming signal of a predetermined frequency band and a reflector which gives directionality to the jamming signal in its radiation direction.

Abstract: An unmanned moving vehicle piloting method and an unmanned moving vehicle watching device enabling it to pilot an unmanned moving vehicle, while keeping in visual contact with the vehicle from the vicinity of the vehicle from a third person viewpoint. In the vicinity of an unmanned moving vehicle, a watching aircraft is positioned, which is an unmanned aerial vehicle and includes a single or a plurality of rotors and image capturing means capable of capturing an image of surroundings of the watching aircraft and is able to stand still at one point in the air and piloting the unmanned moving vehicle, while viewing a third person viewpoint image captured by the watching aircraft. Moreover, the watching aircraft includes accompanying flight means for causing the watching aircraft to fly automatically, following movement of an unmanned moving vehicle. This enables the manipulator to concentrate solely on piloting the unmanned moving vehicle.

Abstract: To provide an unmanned rotorcraft and a method for measuring a distance to a circumjacent objet around the rotorcraft, enabling it to prevent its airframe from colliding with a circumjacent object when flying and prevent its airframe from falling down when landing, while suppressing an increase in airframe cost. This is solved by an unmanned rotorcraft including a distance sensor to measure a distance between its airframe and a circumjacent object around it, the distance sensor and its detection direction being fixed to the airframe, and a method for measuring a distance to a circumjacent objet around the rotorcraft, adapted to watch or watch out for a circumjacent object around the airframe by turning the airframe automatically in a yaw direction under predefined conditions or to measure a difference of elevation at landing points of all legs of the airframe.

Abstract: To provide a multicopter that enables it to prevent generation of a vortex ring state of a rotor and control lift and thrust efficiently and elaborately. This is solved by a multicopter having a plurality of rotors installed radially to a frame, wherein at least one of the plurality of rotors is provided with a cylindrical duct surrounding and enclosing the rotor; and the duct is formed in a shape making an air flow from an air intake side to an air outlet side of the rotor imbalanced in a circumferential direction of the duct.