Abstract: An imaging device having a lens group having lenses; a lens frame that holds said lens group; a base that holds said lens frame; an imaging element that has an imaging area; and a compression coil spring that prescribes the position of the lens frame relative to the imaging element so as to keep the optical axis of the lens group perpendicular to the imaging area of the imaging element. The imaging-element side of the lens frame has an orthogonal surface that is orthogonal to the optical axis of the lens group. The compression coil spring keeps said orthogonal surface in surface contact with an area that surrounds and is parallel to the imaging area of the imaging element.

Abstract: The flow rate controlling device according to the present invention comprises: a base that has an opening portion a ring member that is provided encompassing the opening portion and that can rotate around the opening portion a motor for rotating the ring member, and a plurality of blade members that are supported on the base to the outside of the opening portion in the radial direction, and that can rotate around rotary shafts that are parallel to the axis of the opening portion, wherein: groove portions are formed in the ring member; protruding portions that can slide within the groove portions are formed on the blade members; and the motor rotates the ring member to slide the protruding portions within the groove portions to rotate the plurality of blade members to open and close the opening portion.

Abstract: A reduction in thickness and a reduction in size in the width direction are enabled while enjoying the benefits of enabling stabilized vibration and superior physical shock durability through the provision of stationary shafts. The linear vibration motor comprises: a movable element that is equipped with a magnet portion and a weight portion; a frame for enclosing the movable element; a coil that is secured to the frame, for driving the magnet portion along the axial direction; an elastic member for applying, to the movable element, an elastic force for repelling the driving force that acts on the magnet portion; and a pair of guide shafts that is arranged along an axial direction, having one end secured to a frame and the other end supporting slidably the movable element.

Abstract: A vibration actuator has a frame; a first spring, supported on one end within the frame and the other end vibrates along an axial direction. A second spring, supported on one end within the frame, and the other end vibrates along the axial direction. A first weight connected to the other end of the first spring and a second weight connected to the other end of the second spring. A magnet portion protrudes in the axial direction is in the first weight and a coil wrapped around the magnet portion is in the second weight. A driving current of a frequency that is a first resonant frequency set by the spring constant of the first spring and the mass of the first weight or a second resonant frequency set by the spring constant of the second spring and the mass of the second weight is applied to the coil.

Abstract: The present invention allows reduction of the thickness of a blade driving device, and, in a mechanism in which a plurality of blade members are interlocked with one another through a lever member, drives the blade members by using sufficient thrust while keeping the operation balance of the lever member and obtaining smooth movement. A blade driving device is provided with a base member; a pair of blade members supported by the base member; a lever member the ends of which are connected to the blade members respectively, and which has, at the center thereof, a bearing part pivotally supported by a rotation shaft provided to the base member; and a linear actuator which causes the lever member to pivot about the rotation shaft, wherein the lever member includes, integrally with the bearing part, a housing part which houses a magnet of the linear actuator.

Abstract: A lens unit comprises a lens barrel, a pair of base plates, and iris blade, and a blade driving portion. The lens barrel holds a plurality of lenses, and has a first slit that extends in the circumferential direction. A pair of base plates each has an opening portion, and are stacked to structure a blade chamber, with a portion thereof protruding from the first slit, and is positioned so that the opening portions thereof are between the lenses. The iris blade is disposed in the blade chamber. A blade driving portion is secured to a portion of the pair of base plates, and drives the iris blade to open and close the opening portions in the iris blade.

Abstract: A focal plane shutter has a base plate with an opening; a leading and trailing blade opening and closing the opening; a leading blade driver; a trailing blade driver; a charging portion; a braking member; and a brake driver. The leading blade driver drives the leading blade through a first biasing force of a first biasing member and drives the leading blade through a second biasing force of a second biasing member. The trailing blade driver drives the trailing blade by a third biasing force of a third biasing member. The charging portion applies the second biasing force to the second biasing member and applies the third biasing force to the third biasing member. The braking member brakes the leading blade through friction and the brake driver moves the braking member to brake the leading blade, independently of the leading blade driver, the trailing blade driver, and the charging portion.

Abstract: A linear vibration motor comprising a movable element, having an integrated magnet, and a coil wherein winding parts and are caused to cross lines of magnetic force M1 and M2 of the magnet, where the coil is near to the movable element, and wherein the movable element is caused to vibrate along an axial direction through application of power to the coil, wherein: in the magnet, the direction of magnetization is aligned with the axial direction, and the magnet has two magnet pieces and, lined up in a direction that crosses the axial direction, and that have magnetic poles in mutually opposing directions; and other magnet pieces and, having magnetic poles that are magnetized in a crossing direction, where magnetic poles are in contact with, or near to, the identical magnetic poles of the two opposing magnetic poles on the same end sides of the two magnet pieces.

Abstract: An imaging unit has an imaging device that has an imaging lens; a case that encloses an imaging device and that has an imaging portion for passing light that is to be incident into an imaging lens; and an extending portion that extends from the opening portion in the imaging direction of the imaging device. The extending portion has an extending surface that is provided with a scattering portion for scattering light through structural units. Each structural unit has a surface structure for reflecting, in at least two mutually differing directions that are inclined in relation to a first vertical plane, light that is inclined in the imaging direction relative to an axis that is perpendicular to the extending surface, and that is parallel to a first vertical plane that is perpendicular to the extending surface and that includes the optical axis of the imaging lens.

Abstract: A seatbelt vibrating unit for transmitting a vibration through a seatbelt to the body of a seatbelt user, comprising a base plate that can be connected to the seatbelt; an elastic contacting body that is secured to the base plate and that has a body contacting surface on the back face side thereof; and a vibrating device that is secured to the elastic contacting body in a state that enables fine motion in relation to the base plate.

Abstract: An imaging optical apparatus with a thin blade containing member for containing a blade member for limiting an opening, having an insertion portion that has an opening; an actuator for causing a blade member to slide; a containing frame for containing the actuator and the blade containing member, except for the insertion portion, having, on an outer edge, a recessed lens frame retaining portion into which the insertion portion; a lens frame, held in the lens frame retaining portion, having an insertion hole, for insertion of the insertion portion so that the center of the opening will be coaxial with the optical axis; and a clip for holding, in cooperation with the containing frame, a lens frame that is held in the lens frame retaining portion, through joining with the containing frame.

Abstract: An optical unit has a lens frame that has a slit in a cylinder, and a blade driving device, comprising an insertion portion for insertion into the slit, wherein an opening, provided in the insertion portion, is disposed between lenses in a lens frame, wherein: the blade driving device comprises a frame that has a recessed lens frame storing portion with the insertion portion protruding; a cylinder of the lens frame comprises a pair of supporting faces that are perpendicular to the optical axis of the lens; and the lens frame storing portion of the frame has contact surfaces that contact each of a pair of supporting faces.

Abstract: A blade driving device having a base plate with an opening for an optical path; first and second blades, at different locations on the base plate, and each rotate to open/close the opening. A first magnet secured to the first blade; a second magnet secured to the second blade; a yoke secured on the base plate; and a first and second coil coiled on the yoke. The yoke has a first magnetic pole portion adjacent to the first magnet, a second magnetic pole portion adjacent to the second magnet, and connecting portions, connecting the first magnetic pole portion and the second magnetic pole portion. The first magnetic pole portion and the second magnetic pole portion have, respectively, adjacent pieces and adjacent to the corresponding magnets, and extending portions and continuous with the adjacent pieces and provided extending in a direction perpendicular to the blade supporting face of the base plate.

Abstract: Provided is a linear vibration motor having a structure requiring less space and also having good responsiveness. This linear vibration motor is characterized by having a mover having weights affixed on the longitudinal end side of a pair of long magnets; a coil provided in a long shape in the longitudinal direction of the pair of magnets and driving and reciprocating the mover in the transverse direction by a magnetic action produced by the conduction of electricity; a base to which the coil is affixed; and an elastic member elastically deformed by the reciprocation of the mover.

Abstract: According to an aspect of the invention, a motor stop control method of a motor stop control apparatus which includes an arithmetic control unit and a detection unit. The arithmetic control unit has a stop start position at which a stop control is started from a position which is a predetermined angle before a target position at which a motor stops. The arithmetic control unit calculates a rotational speed of the motor at the stop start position on the basis of a detection value of the detection unit, and a stop time at which the rotational speed of the motor reaches zero from the stop start position on the basis of a deceleration line indicating a change in the rotational speed of the motor, the rotational speed of the motor, and the predetermined angle.

Abstract: The present invention makes thinness or widthwise compactness possible, while exhibiting the advantages of obtaining stable vibrations and excellent impact strength, just as in a linear vibration motor equipped with a fixed shaft. A linear vibration motor equipped with: a needle equipped with a magnet and a spindle part; a frame for slidably supporting the needle in one axial direction; a coil for driving the magnet in the one axial direction, and affixed to the frame; and an elastic member for imparting an elastic force to the needle in opposition to the driving force imparted on the magnet. Therein, the needle is equipped with a pair of shaft parts which project in opposite directions in the one axial direction, and the frame is equipped with bearings for slidably supporting the pair of shaft parts.

Abstract: An imaging device is having a substrate with a first imaging element and a second imaging element for sensing respective incident lights. A first lens frame for holding a first lens for guiding the incident light to the first imaging element and a second lens frame for holding a second lens for guiding the incident light to the second imaging element are included. A case is provided for holding the first lens frame and the second lens frame. In the state prior to securing, the first lens frame can be moved in the optical axial direction, and in a direction that is perpendicular to the optical axial direction, relative to the substrate. Also, in the state prior to securing, the second lens frame can be moved in the optical axial direction, and in a direction that is perpendicular to the optical axial direction, relative to the substrate.

Abstract: A vibration actuator having a stationary element; a movable element that is supported elastically so as to enable vibration on the stationary element; and a driving source for causing reciprocating vibration of the movable element in relation to the stationary element, wherein: the movable element comprises an opposed face that opposes an opposing face of the stationary element; a magnetic fluid that has viscosity is filled into a gap between the opposing face and the opposed face and is attracted magnetically to at least either the opposing face or the opposed face; and on the other of the opposing face or the opposed face, a holding region for retaining the magnetic fluid is provided, and a lipophobic surface, for repelling the magnetic fluid is provided so as to surround the holding region.

Abstract: A linear vibration motor comprising a frame, and a magnet and a weight, and also comprising a movable element that is supported elastically, so as to enable vibration along an axial direction, in respect to the frame, and a driving coil, secured to the frame, for applying a thrust, along the axial direction, to a magnet, through application of power, wherein a vibration characteristic that is measured through application of electric power to the driving coil is recorded in a recording medium that is provided on a frame.

Abstract: Disclosed is a linear vibration motor comprising a movable element that is equipped with a magnet and weights; a coil for applying a driving force on the magnet through the application of an electric current; a frame, wherein the coil is secured; a shaft, borne on or secured by the frame, for supporting the movable element so as to be able to vibrate along the axial direction; and coil springs, disposed between the movable element and the frame, for elastically supporting the vibration of the movable element along the axial direction, on both sides of the movable element in the direction of vibration, wherein the directions of winding of the coil springs are set so as to prevent rotational vibration, around the shaft, of the movable element that is vibrating reciprocatingly along the axial direction.