Abstract: One object is to provide a drone capable of achieving desired performance by preventing entry of foreign matter such as water droplets or dust particularly into a power portion thereof. A drone of the present invention is provided with a fixed section having a motor housing for housing a motor therein and a rotary section having a propeller shaft supported via a bearing so as to be rotatable with respect to the motor housing and configured to rotate integrally with the propeller. In an opposed portion where fixed-side components constituting the fixed section and rotary-side components constituting the rotary section are opposed to each other, there is provided a foreign matter entry prevention unit configured to prevent foreign matter from entering an inside of the motor housing.

Abstract: An object of the present invention is to provide a fishing reel configured to suppress formation of a dead space on the outer circumferential side of an anti-reverse device and thus reduced in size. The fishing reel includes a reel body, a drive shaft caused to rotate by an operation of a handle, an anti-reverse device interposed between the reel body and the drive shaft, and a cylinder-shaped cylindrical member disposed on an outer circumferential side of the anti-reverse device. A switching control member of the anti-reverse device and the cylindrical member are engaged with each other, and a swiveling operation of the cylindrical member causes the drive shaft to switch to an anti-reverse state or a reversible state.

Abstract: An image stabilizing apparatus includes a movable member holding a lens, a moving unit configured to move the movable member in a predetermined plane, a tilting unit configured to tilt the movable member relative to predetermined plane, a detection unit configured to detect shake, and a control unit configured to control the moving unit and the tilting unit based on shake information obtained from the detection unit. The control unit sets a tilt target value of the tilting unit in accordance with a displacement target value of the moving unit.

Abstract: An image stabilizer includes a support member, a movable member holding a correcting member and rotatable relative to the support member around a first rotating axis, which intersects with an optical axis, or a second rotating axis, which intersects with both the optical axis and the first rotating axis, and a restricting member which rotatably holds the movable member around the first rotating axis and restricts rotation of the movable member around the second rotating axis. The support member rotatably holds the restricting member around the second rotating axis along with the movable member and restricts rotation of the restricting member relative to the support member around the first rotating axis.

Abstract: An image stabilizer includes a movable member holding a lens, a tilting unit configured to rotate around a predetermined point to tilt the movable member relative to an optical axis, and a driving unit configured to move a position in an optical axis direction of the movable member relative to the tilting unit, the movable member is configured to tilt such that a radius of curvature around the predetermined point varies according to the position in the optical axis direction.

Abstract: In a bearing according to an embodiment, a pair of magnets is arranged such that sides of the magnets opposed to each other with rolling members interposed therebetween have different magnetic polarities from each other. A magnetic fluid sealed bearing according to another embodiment includes a non-magnetic spacer disposed between a magnet of one of magnetic fluid seals and a magnet of the other of the magnetic fluid seals so as to form a magnetic circuit that penetrates outer and inner rings and goes around the rolling members.

Abstract: A display apparatus with a relative layout of plurality of panels, each having a display unit includes a determining unit that determines, based on information relating to a display image to be displayed on the display units, the relative layout of the plurality of panels, and a notification unit that performs notification of the relative layout of the plurality of panels that the determining unit has determined.

Abstract: An image stabilization apparatus is provided that includes a fixed back-plate 101, a movable barrel 103 that holds a correction lens 102 and is movably supported by the fixed back-plate 101 in a direction perpendicular to the optical axis, a first rotary body 104 that is rotatably supported by the fixed back-plate 101 and moves the movable barrel 103 in a first direction depending on rotation thereof, and a first drive motor 106 that drives the first rotary body 104. The center axis of the first rotary body 104 is arranged within the optical path of an image capturing optical system.

Abstract: In a bearing according to an embodiment, a pair of magnets is arranged such that sides of the magnets opposed to each other with rolling members interposed therebetween have different magnetic polarities from each other. A magnetic fluid sealed bearing according to another embodiment includes a non-magnetic spacer disposed between a magnet of one of magnetic fluid seals and a magnet of the other of the magnetic fluid seals so as to form a magnetic circuit that penetrates outer and inner rings and goes around the rolling members.

Abstract: An image stabilizer includes a support member, a movable member holding a correcting member and rotatable relative to the support member around a first rotating axis, which intersects with an optical axis, or a second rotating axis, which intersects with both the optical axis and the first rotating axis, and a restricting member which rotatably holds the movable member around the first rotating axis and restricts rotation of the movable member around the second rotating axis. The support member rotatably holds the restricting member around the second rotating axis along with the movable member and restricts rotation of the restricting member relative to the support member around the first rotating axis.

Abstract: An image stabilizer includes a movable member holding a lens, a tilting unit configured to rotate around a predetermined point to tilt the movable member relative to an optical axis, and a driving unit configured to move a position in an optical axis direction of the movable member relative to the tilting unit, the movable member is configured to tilt such that a radius of curvature around the predetermined point varies according to the position in the optical axis direction.

Abstract: An image shake correcting device includes a movable unit for holding a correction lens, a rotation preventing plate that rotatably supports the movable unit about a first rotation axis orthogonal to the optical axis, and a fixed base plate that rotatably supports the rotation preventing plate about a second rotation axis orthogonal to the optical axis. The first rotation axis and the second rotation axis intersect at point O on the optical axis of the correction lens. An urging spring urges in a direction where both the movable unit and the fixed base plate are brought closer to each other. A first rolling ball is located on a first hypothetical spherical surface formed between the movable unit and the rotation preventing plate, and a second rolling ball is located on a second hypothetical spherical surface formed between the rotation preventing plate and the fixed base plate.

Abstract: An image shake correction apparatus includes a fixed member; a movable member configured to hold a correcting member that corrects image shake and configured to have a first connecting unit and a second connecting unit; a first moving member connected to the first connecting unit, and configured to move the movable member in a first direction via the first connecting unit; a second moving member connected to the second connecting unit, and configured to move the movable member in a second direction different from the first direction via the second connecting unit; a first drive unit configured to drive the first moving member; and a second drive unit configured to drive the second moving member independently of driving of the first moving member. The first drive unit and the second drive unit share a constituent component.

Abstract: An image stabilizing apparatus includes a movable member holding a lens, a moving unit configured to move the movable member in a predetermined plane, a tilting unit configured to tilt the movable member relative to predetermined plane, a detection unit configured to detect shake, and a control unit configured to control the moving unit and the tilting unit based on shake information obtained from the detection unit. The control unit sets a tilt target value of the tilting unit in accordance with a displacement target value of the moving unit.

Abstract: An image stabilization apparatus is provided that includes a fixed back-plate 101, a movable barrel 103 that holds a correction lens 102 and is movably supported by the fixed back-plate 101 in a direction perpendicular to the optical axis, a first rotary body 104 that is rotatably supported by the fixed back-plate 101 and moves the movable barrel 103 in a first direction depending on rotation thereof, and a first drive motor 106 that drives the first rotary body 104. The center axis of the first rotary body 104 is arranged within the optical path of an image capturing optical system.

Abstract: An image shake correcting device includes a movable unit for holding a correction lens, a rotation preventing plate that rotatably supports the movable unit about a first rotation axis orthogonal to the optical axis, and a fixed base plate that rotatably supports the rotation preventing plate about a second rotation axis orthogonal to the optical axis. The first rotation axis and the second rotation axis intersect at point O on the optical axis of the correction lens. An urging spring urges in a direction where both the movable unit and the fixed base plate are brought closer to each other. A first rolling ball is located on a first hypothetical spherical surface formed between the movable unit and the rotation preventing plate, and a second rolling ball is located on a second hypothetical spherical surface formed between the rotation preventing plate and the fixed base plate.

Abstract: An image stabilizing apparatus for correcting an image shake by moving an optical element arranged in a lens barrel in a plane orthogonal to an optical axis includes a first rolling holder configured to support a first rolling member so as to be capable of rolling in a first direction orthogonal to the optical axis, the first rolling member moving the optical element in the first direction, and a fixed member attached to a surface of the first rolling holder and providing support for the lens barrel, the first rolling member being provided on the surface.

Abstract: An image shake correcting apparatus includes a movable member configured to hold an image shake correcting member; a fixed member configured to hold the movable member so as to be movable along a spherical surface centering on a rotational center point; and an electromagnetic drive unit configured to have a magnet and a coil provided in portions that are mutually opposed in the movable member and the fixed member, wherein the magnet and the coil are disposed with inclination from a direction perpendicular to an optical axis so that a direction of drive force that is generated when the coil is energized approximately conforms to a tangential direction of a spherical surface centering on the rotational center point.

Abstract: An image shake correcting apparatus includes a movable member configured to hold an image shake correcting member; a fixed member configured to hold the movable member so as to be movable along a spherical surface centering on a rotational center point; and an electromagnetic drive unit configured to have a magnet and a coil provided in portions that are mutually opposed in the movable member and the fixed member, wherein the magnet and the coil are disposed with inclination from a direction perpendicular to an optical axis so that a direction of drive force that is generated when the coil is energized approximately conforms to a tangential direction of a spherical surface centering on the rotational center point.

Abstract: An image shake correction apparatus includes a fixed member; a movable member configured to hold a correcting member that corrects image shake and configured to have a first connecting unit and a second connecting unit; a first moving member connected to the first connecting unit, and configured to move the movable member in a first direction via the first connecting unit; a second moving member connected to the second connecting unit, and configured to move the movable member in a second direction different from the first direction via the second connecting unit; a first drive unit configured to drive the first moving member; and a second drive unit configured to drive the second moving member independently of driving of the first moving member. The first drive unit and the second drive unit share a constituent component.