Abstract: An optical element driving apparatus includes: a coil and a magnet separately disposed at a movable part configured to hold an optical element and a fixing part configured to support the movable part, the coil and the magnet being configured to operate in conjunction with each other to move the movable part with respect to the fixing part; and a magnetic sensor configured to detect a position of the movable part based on a relative position with respect to the magnet. The magnetic sensor is mounted on a magnetic sensor substrate, the magnetic sensor substrate is housed in a recess provided in the fixing part.

Abstract: An optical actuator is an optical actuator configured to move an optical element by a driving part, and includes a movable-side member including a base portion configured to hold the optical element, and a fixed-side member configured to support the movable-side member such that the movable-side member is movable, in which the movable-side member includes a cushioning member that is engaged with the base portion to be prevented from coming off.

Abstract: An optical actuator is an optical actuator configured to move an optical element by a driving part, and includes a movable-side member configured to hold the optical element, a fixed-side member configured to support the movable-side member such that the movable-side member is movable, and a cushioning member disposed on the movable-side member, in which the cushioning member includes a first cushioning surface and a second cushioning surface that face the fixed-side member at respective different distances.

Abstract: A lens drive device comprises: a fixing part disposed away from the movable part; a cover for covering the movable part in the direction of an optical axis; and suspension wires for supporting the movable part relative to the fixing part, one ends of the suspension wires being secured to the fixing part and the other ends being secured to the movable part. The movable part is configured so as to be provided with: a damper material disposed so as to come in contact with the suspension wires; a stopper protrusion provided near a portion of the light-receiving-side surface where the other ends of the suspension wires are secured, the tip end of the stopper protrusion facing the inner surface of the cover in the direction of the optical axis; and a flow-stopper part stopping a flow of the damper flowing.

Abstract: An optical actuator is configured to include: a movable part on which a lens part is mountable, the movable part being configured to move by driving of a driving part; a fixing part accommodating the movable part; and a first shaft and a second shaft that are spaced apart from each other in a width direction of the movable part, and are fixed to the fixing part, in which the movable part is configured to slide on the first shaft and the second shaft while making contact with the first shaft at two places in an axial direction and with the second shaft at one place in the axial direction. Thus, the optical actuator capable of stably supporting the movable part with respect to the fixing part is provided.

Abstract: Provided is an optical actuator that includes an elastic support member having a small influence on the drivability of a lens guide and having a high durability by configuring the optical actuator to include: a fixed-side member; a movable-side member that is arranged apart from the fixed-side member in a first direction orthogonal to an optical axis, holds a lens part, and moves by power of a driving part; and an elastic support member that supports the movable-side member with respect to the fixed-side member, and by configuring the optical actuator such that the elastic support member includes an elastic deformation part formed by at least a pair of linear parts arranged so as to follow each other in a state of having an interval between the pair of linear parts.

Abstract: A lens driving device includes: a fixing part; a movable part; and an actuator configured to displace the movable part in a direction orthogonal to the optical axis direction; in which the fixing part includes a coil substrate, a base member made of a non-conductive material, the base member including a base side through hole, and a terminal member made of a conductive material and partially embedded in the base member, the terminal member including a first connecting part serving as an external terminal and a second connecting part configured to be connected with the coil substrate, and in which in plan view in the optical axis direction, the second connecting part and the base side through hole are disposed to overlap each other, and the second connecting part and the coil substrate are connected by a solder provided inside the base side through hole.

Abstract: A lens driving device including: a fixing part disposed in such a manner that the fixing part is separated from the movable part in the direction of the optical axis; and suspension wires that extend along the direction of the optical axis and support the movable part with respect to the fixing part in such a manner that the movable part is displaceable in the direction orthogonal to the direction of the optical axis, a first end of each suspension wire being fixed to the fixing part, a second end of each suspension wire being fixed to the movable part, in which the fixing part includes a base member and a wire connecting member, the wire connecting member including a main body part and a wire connecting part exposed from the base member, the first end of each suspension wire being fixed to the wire connecting part.

Abstract: A lens drive device comprises: a fixing part disposed away from the movable part; a cover for covering the movable part in the direction of an optical axis; and suspension wires for supporting the movable part relative to the fixing part, one ends of the suspension wires being secured to the fixing part and the other ends being secured to the movable part. The movable part is configured so as to be provided with: a damper material disposed so as to come in contact with the suspension wires; a stopper protrusion provided near a portion of the light-receiving-side surface where the other ends of the suspension wires are secured, the tip end of the stopper protrusion facing the inner surface of the cover in the direction of the optical axis; and a flow-stopper part stopping a flow of the damper flowing.

Abstract: A lens driving device includes: a fixing part; a movable part; and an actuator configured to displace the movable part in a direction orthogonal to the optical axis direction; in which the fixing part includes a coil substrate, a base member made of a non-conductive material, the base member including a base side through hole, and a terminal member made of a conductive material and partially embedded in the base member, the terminal member including a first connecting part serving as an external terminal and a second connecting part configured to be connected with the coil substrate, and in which in plan view in the optical axis direction, the second connecting part and the base side through hole are disposed to overlap each other, and the second connecting part and the coil substrate are connected by a solder provided inside the base side through hole.

Abstract: A lens driving device including: a fixing part disposed in such a manner that the fixing part is separated from the movable part in the direction of the optical axis; and suspension wires that extend along the direction of the optical axis and support the movable part with respect to the fixing part in such a manner that the movable part is displaceable in the direction orthogonal to the direction of the optical axis, a first end of each suspension wire being fixed to the fixing part, a second end of each suspension wire being fixed to the movable part, in which the fixing part includes a base member and a wire connecting member, the wire connecting member including a main body part and a wire connecting part exposed from the base member, the first end of each suspension wire being fixed to the wire connecting part.

Abstract: A switch includes a click spring, stationary contacts, a spring holding sheet, a switch base, and a nub disposed on the sheet and having a non-linear acting load to displacement characteristic. Spring constant k11 (tangent gradient of the characteristic curve of the a nub at an origin point), spring constant k3 (gradient of a line connecting a point corresponding to a peak acting load and an origin point of a characteristic curve of the click spring and the sheet), spring constant k12 (tangent gradient at an arbitrary point of a non-linear portion of the characteristic curve of the nub), and displacement s11 (displacement corresponding to an intersection point of the line having the gradient k11 and the line having the gradient k12) satisfy k11<k3, k12>k3, and 0<s11<S1.

Abstract: Provided is a switch including a click spring, stationary contacts, spring holding sheet, switch base, and Nub disposed on the sheet and having a non-linear acting load to displacement characteristic. Spring constant k11 (tangent gradient of the characteristic curve of the Nub at origin point), spring constant k3 (gradient of a line connecting a point corresponding to the peak acting load and an origin point of a characteristic curve of the sheet), spring constant k12 (tangent gradient at an arbitrary contacting point of non-linear portion of the characteristic curve of the Nub), and displacement s11 (displacement of intersection point of two lines of the line having the gradient k11 and the line having the gradient k12) satisfy k11 k3, k12 k3, and 0 s11 S1.