Abstract: An actuator may include a supporting body; a movable body shiftable relative to the supporting body; a first magnetic drive circuit comprising a first coil and a first magnet; a second magnetic drive circuit comprising a second coil and a second magnet adjacent to each other; a first coil holder supporting the first coil; and a second coil holder holding the second coil and aligned with the first coil holder in the first direction. The first coil holder and the second coil holder each may include a plurality of bottomed holes having openings in regions where the first coil holder and the second coil holder are disposed adjacent to each other. The first coil holder and the second coil holder may be positioned with pins fit to the holes.

Abstract: An actuator may include a supporting body; a movable body; a first magnetic drive circuit; a second magnetic drive circuit. The first magnetic drive circuit may include a first coil and a first magnet. The second magnetic drive circuit may include a second coil and a second magnet. The actuator may further include a first yoke on a side of the first coil remote from the second coil; a second yoke on a side of the second coil remote from the first coil; and a third yoke between the first coil and the second coil. The first magnet may be held on a face of the first yoke or a face of the third yoke. The second magnet may be held on a face of the second yoke or a face of the third yoke. The third yoke may be thicker than the first and second yoke.

Abstract: A pen-type haptic force delivery device that causes a user to perceive haptic force information may include a case having a shaft portion which the user holds by hand; and a vibration generating device provided inside of the case. The vibration generating device may include a movable body, a support body, an elastic member having either elasticity or viscoelasticity, the elastic member being arranged between the movable body and the support body, and a magnetic drive circuit structured to cause linear vibrations to the movable body to output the haptic force information.

Abstract: Provided is a linear actuator including a movable element, a stationary element, a magnetic drive mechanism configured to linearly move the movable element in a first direction with respect to the stationary element, and damper member arranged between the movable element and the stationary element. The magnetic drive mechanism includes a coil holder arranged on the stationary element, a coil supported by a coil supporting unit of the coil holder, a first yoke arranged on the movable element, and a first permanent magnet held by the first yoke. The damper member is arranged in a portion where the first yoke and the coil holder face each other in the second direction. As a result, the damper member can be arranged between the stationary element and the movable element without using a case.

Abstract: A vibration generating device that can make a relatively heavy vibration member produce sufficient vibration. A vibration generating device has: a vibration member; multiple actuators that are connected to the vibration member; and a stationary element that supports the vibration member via the multiple actuators. Each of the multiple actuators comprises: a supporting body to which the vibration member is fixed; a movable element; a first elastic member that is connected to the supporting body and the movable element; and a magnetic drive circuit (a first magnetic drive circuit and a second magnetic drive circuit) that makes the movable element move linearly back and forth relative to the supporting body. The multiple actuators are supported by the stationary element via a second elastic member. The first elastic member and the second elastic member comprise a gelatinous silicone gel or the like.

Abstract: A linear actuator includes a movable element, a stationary element provided with a case in which the movable element is housed, and a magnetic drive mechanism that drives the movable element in a direction of an axis line. In the case, there is provided a sounding hole in a bottom plate part, at the other side in the direction of the axis line; the sounding hole being for discharging a pressure change in accordance with a vibration of the movable element in the direction of the axis line, as an audible level sound. Therefore, at a time when the movable element is vibrated in the direction of the axis line by the magnetic drive mechanism, the vibration is transferred to a user. Accordingly, information can be transferred by way of the vibration. Moreover, the information can also be transferred by way of the sound.

Abstract: A linear actuator may include a movable element having a plurality of permanent magnets stacked in a direction of an axis line; a stationary element comprising a plurality of coils surrounding a circumferential section of the permanent magnets, the plurality of coils being placed along the axis line; and viscous elastic members inserted between the movable element and the stationary element. The plurality of permanent magnets are arranged such that, among adjacent permanent magnets of the plurality of permanent magnets, sides of the adjacent permanent magnets facing each other have a same polarity. The viscous elastic members are provided at a plurality of locations being separate in the direction of the axis line, in a space sandwiched in a radial direction by the movable element and the stationary element.

Abstract: A tubular motor may include a tubular case, a motor unit provided inside the case, and a first planetary gear unit placed inside the case at an output side in the motor shaft direction with respect to the motor unit. On the motor unit, a concave part may be formed in an output side end surface of an output side end plate section that supports a rotor, at an output side of the rotor. On the first planetary gear unit, a planetary carrier may include a supporting plate that overlaps with planetary gears at an counter-output side in order to support the planetary gears from the counter-output side. The first planetary gear unit may be immediately adjacent to the output side end plate section at an output side.

Abstract: A linear actuator may include a movable element including a cylindrical permanent magnet; a stationary element including a coil bobbin that surrounds the permanent magnet at an outside in a radial direction; a spring member connected to the movable element and the coil bobbin, and supporting the movable element to be movable in an axial direction in relation to the coil bobbin; a coil wound around the coil bobbin, for configuring a magnetic drive mechanism together with the permanent magnet, the magnetic drive mechanism being structured to drive the movable element in the axial direction; and a gel damper member being sandwiched between the stationary element and the movable element in the axial direction.

Abstract: This application provides an actuator capable of causing vibrations in multiple directions to a movable body. For instance, an actuator has a supporting body, a movable body, and a connecting body connected to the movable body and the supporting body. Between the supporting body and the movable body, a first coil and a second coil are stacked in two stages in the first direction, and a first magnet and a second magnet are placed on both ends of each of the first coil and the second coil stacked in two stages in the first direction in a first magnetic drive circuit. The first magnetic drive circuit is provided at two positions separated in the second direction. Between the first magnetic drive circuits separated in the second direction, a stopper mechanism is formed to restrict the movable range of the movable body in the direction perpendicular to the first direction.

Abstract: A linear actuator may include a stationary element a movable element a magnetic drive mechanism structured to linearly drive the movable element in a driving direction relative to the stationary element and a gel damper member provided between the stationary element and the movable element. The gel damper member may be held between a first part in the stationary element that faces in a direction perpendicular to the driving direction and a second part in the movable element that faces the first part in a direction perpendicular to the driving direction.

Abstract: A method for manufacturing a linear actuator may include providing a first element and a second element to a stationary element; supporting the movable element with the first element by the intermediary of the spring member; setting a distance dimension between the movable-element-side facing surface and the stationary-element-side facing surface with a specified dimension corresponding to a length dimension of the damper members, by way of making a relative displacement between the first element and the second element in the moving direction, in a situation where a clearance is formed between the first element and the second element in the moving direction; and fixing the first element and the second element to each other by use of an adhesive, in the situation of having the clearance between the two.

Abstract: A linear actuator may include a movable element; a stationary element; and a damper member inserted between a movable-element-side facing suface of the movable element and a stationary-element-side facing surface of the stationary element. The stationary element may include a first element structured to support the movable element via a spring member in such a way as to be movable, and a second element comprising the stationary-element-side facing surface and overlapping with the first element from a side opposite to the movable element in the moving direction. A distance adjusting part may be provided between the first element and the second element, the distance adjusting part being structured to adjust a distance between the first element and the second element in the moving direction, by way of deforming at least one of the first element and the second element.

Abstract: An actuator may include a drive coil, a drive magnet part, a coil holding body and a magnet holding body. The coil holding body may include a tube part around which the drive coil is wound, and the drive magnet part may include two drive magnet pieces whose opposed faces are magnetized in the same magnetic pole. The coil holding body may be linearly and relatively movable to the magnet holding body. The magnet holding body may include an opening part formed in one of the two end face parts structuring the magnet holding body. The coil holding body may include a protruded part which is protruded to an outer side through the opening part, the protruded part may formed so as to extend over the tube part, and a flat part in a flat face shape may be formed in the protruded part.

Abstract: An actuator may include a supporting body; a movable body; a connecting body connected to the movable body and the supporting body and having elasticity or viscoelasticity; a first magnetic driving circuit including first magnets and a first coil held by the supporting body and movable body, the first coil being opposed to the first magnets in a first direction, and the first magnetic driving circuit generating driving the movable body in a second direction which perpendicularly intersects with the first direction; and a second magnetic driving circuit including second magnets and a second coil held by the supporting body or the movable body, the second coil being opposed to the second magnets in the first direction, and the second magnetic driving circuit driving the movable body in a third direction which perpendicularly intersects with the first direction and crosses the second direction.

Abstract: The lens drive device is equipped with a first supporting body that holds the lens and is movable in the direction of the optical axis, a second supporting body that holds the first supporting body, a fixed body that holds the second supporting body in a manner enabling movement in directions that are roughly orthogonal to the optical axis direction, a first drive mechanism for driving the first supporting body, a second drive mechanism for driving the second supporting body in a first direction, and a third drive mechanism for driving the second supporting body in a second direction. The first supporting body is supported by the second supporting body by means of first supporting members (8, 9), which are formed from an elastic material; and the second supporting body is supported by the fixed body by means of second supporting members, which are formed from an elastic material.

Abstract: A tubular motor may include a tubular case, a motor unit provided inside the case, and a first planetary gear unit placed inside the case at an output side in the motor shaft direction with respect to the motor unit. On the motor unit, a concave part may be formed in an output side end surface of an output side end plate section that supports a rotor, at an output side of the rotor. On the first planetary gear unit, a planetary carrier may include a supporting plate that overlaps with planetary gears at an counter-output side in order to support the planetary gears from the counter-output side. The first planetary gear unit may be immediately adjacent to the output side end plate section at an output side.

Abstract: A linear actuator may include a movable element including a cylindrical permanent magnet; a stationary element including a coil bobbin that surrounds the permanent magnet at an outside in a radial direction; a spring member connected to the movable element and the coil bobbin, and supporting the movable element to be movable in an axial direction in relation to the coil bobbin; a coil wound around the coil bobbin, for configuring a magnetic drive mechanism together with the permanent magnet, the magnetic drive mechanism being structured to drive the movable element in the axial direction; and a gel damper member being sandwiched between the stationary element and the movable element in the axial direction.

Abstract: A linear actuator may include a stator; a movable element; a spring member connected to the movable element and the stator and structured to support the movable element in such a way as to be movable with respect to the stator in a direction of an axis line; a magnetic drive mechanism structured to drive the movable element in the direction of the axis line; and a gel damper member placed at a position on a center line of the movable element or one of a group of positions surrounding the center line, between the stator and the movable element.

Abstract: A planetary gear speed reduction device may include a magnetic sun gear; a plurality of magnetic planetary gears which each revolve around the magnetic sun gear while rotating; and a magnetic internal gear arranged surrounding the multiple magnetic planetary gears from an outer circumferential side. An outside diameter of the magnetic sun gear and an outside diameter of the magnetic planetary gears may be equal.