Abstract: A package transport device includes: a main body (a vehicle main body, a first vehicle main body, and a second vehicle main body); a rail holder (connector) held by a rail located above the main body; a turntable that is provided between the main body and the rail holder and rotates the main body; a slider portion that extends with respect to the main body; and a package holder that holds a package attached to the slider portion.

Abstract: An unmanned aerial vehicle includes: a vehicle main body having a first length in a first direction longer than a second length in a second direction orthogonal to the first direction; propellers that rotate in a virtual plane parallel to the first and second directions; first propeller actuation motors that are provided on the vehicle main body and respectively rotate the propellers; at least one connector that is hangable from at least one rail spaced apart from the ground surface; at least one side propeller that provides propulsion force for propelling the vehicle main body in the first direction; at least one third propeller actuation motor that is provided on the vehicle main body and rotates the at least one side propeller; and a control processor that controls the first propeller actuation motors and the at least one third propeller actuation motor.

Abstract: A lifting system includes an unmanned aerial vehicle, a thruster device, a first wire, a first reel, a second thruster device, a second wire, a second reel, and a controller. When the unmanned aerial vehicle is in a position separated from the ground, the controller detaches the first thruster device and the second thruster device from the unmanned aerial vehicle, causes the first reel to reel out the first wire, detaches the second thruster device from the first thruster device, and causes the second reel to reel out the second wire.

Abstract: An unmanned aerial vehicle that delivers a package includes a plurality of rotary wings, a plurality of first motors, a main body, a connector, a movable block, and a processor. When the connector is connected to a rail, the processor sets a rotation rate of the plurality of first motors to a rotation rate that is lower than a minimum rotation rate necessary for floating and higher than a minimum rotation rate necessary for propulsion along the rail. Furthermore, the processor causes the movable block to increase the angle formed by the normal direction of an imaginary plane containing the plurality of rotary wings relative to a support direction of the connector.

Abstract: A projection system of the present disclosure includes: a flying object having an exterior body, a flying device that causes the exterior body to fly, and an image capturing device that captures an image; a projection device that projects a capture-dependent image on the exterior body, the captured-dependent image depending on the image; and a controller that causes the projection device to project the capture-dependent image.

Abstract: A screen device includes a screen, a plurality of first photoelectric conversion elements, a plurality of second photoelectric conversion elements, a flying object, a support member, and a controller. The plurality of first photoelectric conversion elements are on the screen and are arranged at an outermost periphery, in a frame shape, of an area in which photoelectric conversion elements are arranged. The plurality of second photoelectric conversion elements are on the screen and are arranged inside the area at the outermost periphery covered by the plurality of first photoelectric conversion elements. The flying object is configured to be powered by electric power generated by the plurality of second photoelectric conversion elements. The support member connects the screen with the flying object. The controller is configured to control the flying object based on an evaluation of the electric power generated by the plurality of first photoelectric conversion elements.

Abstract: A projection system of the present disclosure includes: a flying object having an exterior body, a flying device that causes the exterior body to fly, and an image capturing device that captures an image; a projection device that projects a capture-dependent image on the exterior body, the captured-dependent image depending on the image; and a controller that causes the projection device to project the capture-dependent image.

Abstract: A projector device includes a distance detector, an imaging unit, a projector unit, a driver, and a controller. The imaging unit detects a specific target object. The projector unit projects a projection image. The driver drives the projector unit such that a projection direction in which the projection image is to be projected is changed. The distance detector detects a state of the target object detected by the imaging unit. The controller controls at least one of the projector unit and the driver such that the projection image tracks the target object. The projection image has display data including a content for guiding the target object. The controller changes a content of information included in the display data in the projection image, which is to be projected while tracking the target object, according to the state of the target object detected by the distance detector.

Abstract: An aircraft includes: a plurality of rotor units each including propeller and motor that drives propeller; a shock absorber covering an entire vertical length of a lateral side of the plurality of rotor units; and a plurality of rudders each being disposed downstream of a corresponding one of the plurality of rotor units and rotating about axis of rotation that extends in a direction intersecting a flow direction of air current generated by the corresponding one of the plurality of rotor units.

Abstract: A projection system includes a projection unit, an optical path change unit, a capture unit, and a controller. The projection unit emits projection light for displaying an image. The optical path change unit changes an optical path for the projection light and guides the projection light toward a prescribed projection surface. The capture unit captures a projection image that is projected onto the projection surface from the optical path change unit, based on the image. The controller calculates a first distance that is a length from the projection unit to the optical path change unit along the optical path and a second distance that is a length from the projection unit to the projection surface along a vertical direction, based on the captured image by the capture unit, and controls the projection image based on the first distance and the second distance that are calculated.

Abstract: A screen device in accordance with the present disclosure comprises: a screen that has a plurality of photoelectric conversion elements and receives image light from an image projection device; a power supply unit that supplies electric power generated by photoelectric conversion from the received image light by the plurality of photoelectric conversion elements; a flying object that supports the screen and flies on the electric power supplied from the power supply unit; and a flight controller that controls flight of the flying object. An image projection system in accordance with the present disclosure comprises: the screen device; and the image projection device that projects the image light onto the screen.

Abstract: A projection system includes a projection unit, an optical path change unit, a capture unit, and a controller. The projection unit emits projection light for displaying an image. The optical path change unit changes an optical path for the projection light and guides the projection light toward a prescribed projection surface. The capture unit captures a projection image that is projected onto the projection surface from the optical path change unit, based on the image. The controller calculates a first distance that is a length from the projection unit to the optical path change unit along the optical path and a second distance that is a length from the projection unit to the projection surface along a vertical direction, based on the captured image by the capture unit, and controls the projection image based on the first distance and the second distance that are calculated.

Abstract: A projector device includes a distance detector, an imaging unit, a projector unit, a driver, and a controller. The imaging unit detects a specific target object. The projector unit projects a projection image. The driver drives the projector unit such that a projection direction in which the projection image is to be projected is changed. The distance detector detects a state of the target object detected by the imaging unit. The controller controls at least one of the projector unit and the driver such that the projection image tracks the target object. The projection image has display data including a content for guiding the target object. The controller changes a content of information included in the display data in the projection image, which is to be projected while tracking the target object, according to the state of the target object detected by the distance detector.

Abstract: An electronic device 100 according to an embodiment includes a panel 210 to be touched by a user; a vibration transmitting section 230 disposed at an interval from the panel 210; a vibrating section 300 to vibrate the vibration transmitting section 230; and an elastic member 400 elastically supporting the panel 210 and the vibration transmitting section 230.

Abstract: A lens barrel includes a first zoom/focus lens group and a second zoom/focus lens group configured to respectively vary a focal distance and imaging distance by moving in an optical axis, a first actuator configured to drive the first zoom/focus lens group, and a second actuator configured to drive the second zoom/focus lens group.

Abstract: A traffic information presentation system according to an embodiment is a system for presenting a tactile sensation to a user based on traffic information, including: a touch section; a tactile presentation section; an input section for receiving traffic information; and a control section for controlling the tactile presentation section based on the traffic information. The control section monitors a status of touch with respect to the touch section, and accepts an instruction from the user that corresponds to the touch input operation when detecting that an amount of change in touched position equals to or exceeds a certain amount. When detecting that the amount of change in touched position is less than the certain amount and that the touch duration equals to or exceeds a certain length, the control section causes the tactile presentation section to present a tactile sensation based on the traffic information.

Abstract: A lens barrel comprises a first zoom/focus lens group and a second zoom/focus lens group configured to respectively vary a focal distance and imaging distance by moving in an optical axis, a first actuator configured to drive the first zoom/focus lens group, a second actuator configured to drive the second zoom/focus lens group, and a drive controller configured to independently control the first actuator and the second actuator. The drive controller is configured to wobble the first zoom/focus lens group by reciprocating only the first zoom/focus lens group out of the first and second zoom/focus lens groups in a optical axis direction.

Abstract: The lens barrel includes a first lens unit, a second lens unit, and a drive unit. The first lens unit includes a first lens element and a first lens support frame supporting the first lens element. The second lens unit includes a second lens element and a second lens support frame supporting the second lens element. The second lens unit is supported by the first lens unit to be movable in the optical axis direction of the first lens element with respect to the first lens unit. The drive unit is arranged to be used to drive the second lens unit with respect to the first lens unit, and is fixed to the first lens unit. When viewed in the optical axis direction, the drive unit is fixed to the first lens unit so that a first profile line formed by the first lens unit and the drive unit is substantially circular.

Abstract: The lens barrel includes a first lens unit, a second lens unit, and a drive unit. The first lens unit includes a first lens element and a first lens support frame supporting the first lens element. The second lens unit includes a second lens element and a second lens support frame supporting the second lens element. The second lens unit is supported by the first lens unit to be movable in the optical axis direction of the first lens element with respect to the first lens unit. The drive unit is arranged to be used to drive the second lens unit with respect to the first lens unit, and is fixed to the first lens unit. When viewed in the optical axis direction, the drive unit is fixed to the first lens unit so that a first profile line formed by the first lens unit and the drive unit is substantially circular.

Abstract: The lens barrel includes a first lens unit, a second lens unit, and a drive unit. The first lens unit includes a first lens element and a first lens support frame supporting the first lens element. The second lens unit includes a second lens element and a second lens support frame supporting the second lens element. The second lens unit is supported by the first lens unit to be movable in the optical axis direction of the first lens element with respect to the first lens unit. The drive unit is arranged to be used to drive the second lens unit with respect to the first lens unit, and is fixed to the first lens unit. When viewed in the optical axis direction, the drive unit is fixed to the first lens unit so that a first profile line formed by the first lens unit and the drive unit is substantially circular.