Abstract: Provided are a disturbing magnetic field generator and a card reader capable of suppressing the generation of noise caused by vibration of a core. A disturbing magnetic field generator that generates a disturbing magnetic field for disturbing unauthorized reading of magnetic data recorded on a card includes a coil to generate the disturbing magnetic field, a bobbin including a tubular body part in which the coil is wound on an outer peripheral side, and a core disposed inside the tubular body part. A first gap is provided between the tubular body part and the core.

Abstract: An actuator includes a connection body connected with a support body and a movable body and having at least one of elasticity and viscoelasticity, and a magnetic drive mechanism structured to relatively move the movable body with respect to the support body. The connection body formed in a tube shape is disposed on both end sides in the vibration direction of the movable body. In a state that the movable body is located at a home position, the inner peripheral part connected with one of the movable body and the support body of each of the connection bodies is pulled to a center side in the vibration direction of the movable body with respect to its outer peripheral part connected with the other of the movable body and the support body and is shear-deformed.

Abstract: An optical unit with a shake correction function includes a movable body having an optical element, a swing support mechanism swingably supporting the movable body, a fixed body supporting the movable body through the swing support mechanism, and a magnetic drive mechanism structured to swing the movable body. The magnetic drive mechanism includes a coil fixed to one of the movable body and the fixed body, and a magnet fixed to the other of the movable body and the fixed body. The swing support mechanism includes a first plate spring connecting an end part of the movable body on one side in an optical axis direction with the fixed body, and a second plate spring connecting the other end part of the movable body in the optical axis direction with the fixed body. The magnet and the coil are disposed between the first plate spring and the second plate spring.

Abstract: A movable body of an actuator includes a first yoke to which a first magnet facing a coil from a Z1 direction is fixed, and a second yoke to which a second magnet facing the coil from a Z2 direction is fixed. The portion of the first yoke to which the first magnet is fixed consists of two members: a first inner member and a first outer member. The portion of the second yoke to which the second magnet is fixed consists of two members: a second inner member and a second outer member. The portions surrounding both sides of the coil in the X direction bond first connecting plate portions of the first outer member and second connecting plate portions of the second outer member.

Abstract: An optical unit with shake-correction function is provided and includes: a movable body, a rotational support structure, a gimbal mechanism, and a fixed body. The rotational support structure, which rotatably supports the movable body including a camera module around an optical axis, is rotatably supported by the gimbal mechanism around a first axis and a second axis. The rotational support structure includes a first annular groove provided on the movable body, a plate roller including a second annular groove facing the first annular groove in the direction of Z axis, and multiple spherical objects inserted into the first annular groove and the second annular groove. The gimbal mechanism rotatably supports the plate roller around a first axis. The movable body includes a first-side stopper part facing one of plate roller extension portions with a gap from one side in the circumferential direction around the Z axis.

Abstract: An optical unit includes: a reflection portion that reflects an incident light flux incident from outside on a reflection surface in a reflection direction from an incident direction toward an imaging element; a movable body having the reflection portion and a holder supporting the reflection portion; a fixed body; a rotation support mechanism that causes the movable body to rotate with respect to the fixed body with an axial direction as a rotation axis; and a drive mechanism having a magnet and a coil and causing the movable body to rotate with respect to the fixed body. The magnet is provided at a position not contacting the reflection portion in the holder and on a back side of the reflection surface, and has a parallel surface parallel to the reflection surface. The coil is provided at a position opposing the magnet in the fixed body.

Abstract: An actuator includes a connection body which is connected with a support body and a movable body and is provided with elasticity and/or viscoelasticity, and a magnetic drive mechanism structured to move the movable body with respect to the support body. The movable body may include a support shaft, a tube-shaped part surrounding a magnet, a first inner frame part on one side of the tube-shaped part, and a second inner frame part on the other side of the tube-shaped part. The support body may include a first outer frame part, a second outer frame part, and a case surrounding the first and the second outer frame parts and the tube-shaped part. The connection body includes first and second connection bodies between the first and second inner frame parts and the first and second outer frame parts, and a third connection body between the tube-shaped part and the case.

Abstract: A cemented lens may include a first lens and a second lens connected via an adhesive layer. The first lens may include a convex surface facing toward the second lens, and a first flange surrounding an outer circumference of the convex surface. The second lens may include a concave surface connected to the convex surface, and a second flange surrounding an outer circumference of the concave surface. One of the first and second flange may include a projection protruding toward an other of the first and second flange. The other of the first and second flange may include an opposed portion opposed to a side surface of the projection Ga is a distance between the convex surface and the concave surface, and Gb is a distance between the side surface and the opposed portion, and the following expression: Gb<Ga may be satisfied.

Abstract: In this optical unit, a spring portion connecting a movable body to a holding body includes a first plate spring formed in a plate shape and elastically deformable in a rotation direction of the movable body relative to the holding body, and second plate springs formed in a plate shape and elastically deformable in an optical axis direction. The first plate spring and the second plate springs are separately formed. The first plate spring and the second plate spring that are separately formed are fixed to each other, and the first plate spring and the second plate spring that are separately formed are fixed to each other.

Abstract: A card reader includes a card lock mechanism for preventing pulling-out of a card from an insertion port when the card is jammed in a conveyance passage. The card lock mechanism includes a motor, a lock member driven by the motor to be moved between a contact position and a retreated position, a knob mechanically connected with the motor, and a detection mechanism for detecting the lock member located at the retreated position. The card reader includes a control part which is configured so that, after the motor is driven to move the lock member to the contact position, when the detection mechanism detects that the lock member has moved to the retreated position, the control part executes a tactile stimulation sequence in which the motor is driven to apply movement to the knob so that attention of an operator operating the knob is called in a tactile manner.

Abstract: An optical unit having a shake correction function, includes a movable body including an optical module, a fixed body supporting the movable body in a swingable manner, a swing drive mechanism swinging the movable body relative to the fixed body and including a magnet and a coil, one of the magnet and the coil being fixed to the movable body, the other one of the magnet and the coil being fixed to the fixed body, a magnetic member returning the movable body to an original position, a magnetic detection sensor detecting a magnetic field of the magnet, and a wiring member being connected with the coil. The wiring member includes a mounting face on which the magnetic detection sensor, the magnetic member, and the coil are fixed. The centers of the magnetic detection sensor, the magnetic member, and the coil are coaxially fixed to the mounting face.

Abstract: A wide-angle lens includes a front group, an aperture, a rear group, and an infrared cut filter. The front group includes a first lens and a second lens arranged in order from a side closest to an object to an image side. In the wide-angle lens, an anti-reflection layer having a reflectance of 1.5% or less in a wavelength range from nm to 850 nm is provided on a lens surface of the first lens on the image side to suppress an occurrence of a ghost caused by light passing through a peripheral portion of the lens surface. Therefore, even if a film forming the anti-reflection layer is thinner than an appropriate value at the peripheral portion of the lens surface, the anti-reflection layer appropriately prevents reflection of light in a long wavelength range.

Abstract: A servo control device to execute an operation in a discrete time system may include a velocity feedback path having a difference means calculating a pseudo-velocity from a detected position and a lowpass filter, and a PI control means executing a proportional integration control operation on a deviation between the pseudo-velocity and the position deviation to create a drive command for the driver. The velocity feedback path includes a first gain means applying a first gain to the pseudo-velocity, a delay means delaying the pseudo-velocity, and a second gain means applying a second gain to the delayed pseudo-velocity. A sum of an output of the first gain means and the second gain means is inputted to the lowpass filter, and “Fa(z)=1/(1?z?1Fb(z))” is satisfied where a transfer function of the PI control means is Fa(z), and a transfer function of the lowpass filter is Fb(z).

Abstract: An optical unit is provided and includes: a movable body having an optical module; a fixed body; a rolling support mechanism which supports the movable body rotatably around the optical axis of the optical module with respect to the fixed body; and a rolling drive mechanism which turn the movable body around the optical axis. The rolling support mechanism includes: at least one pair of protruded parts which protrude from one of the movable body and the fixed body towards the other thereof and which are disposed at positions facing each other with the optical axis interposed therebetween in a direction intersecting the optical axis, and an elastic member whose one end part is attached to the protruded part and an other end part is attached to the other of the movable body and the fixed body, and which turnably support the movable body around the optical axis.

Abstract: An optical unit with a shake correction function includes a reflection member reflecting light entering from the outside, a movable body turnably holding the reflection member, a fixed body turnably holding the movable body, a drive mechanism structured to turn the reflection member with respect to the movable body and turn the movable body with respect to the fixed body, and a turning axis part structuring a turning center of the movable body with respect to the fixed body. The movable body is capable of turning with respect to the fixed body with a first direction as an axial direction of turning, and the turning axis part includes a first ball disposed on one side of the movable body, a second ball disposed on the other side of the movable body and contacted with the fixed body, and an urging member which urges the first ball toward the second ball.

Abstract: A card reader includes a card lock mechanism preventing pulling-out of a card jammed in a card conveyance passage, and an operation part for manually releasing lock of the card caused by the card lock mechanism. The card lock mechanism includes a motor, and a lock member which is provided with a blocking pawl for preventing pulling-out of the card and is moved between a contact position where the blocking pawl contacts the card and a retreated position where the blocking pawl is retreated from the card conveyance passage. The operation part includes a rotation member in a tube shape having an inner circumference wall surrounding an output shaft of the motor, and an engaging member provided on the inner circumference wall and extended along a circumferential direction of the output shaft and engageable with an outer peripheral face of the output shaft. The engaging member is elastically deformable.

Abstract: A wide-angle lens (100) includes a front group (110), an aperture (80), and a rear group (120). The front group (110) includes a first lens (10) and a second lens (20) arranged from a side (La) closest to an object to an image side (Lb). In such a wide-angle lens, to suppress an occurrence of a ghost caused by multiple reflection between a lens surface (102) of the first lens (10) on the image side (Lb) and a lens surface (21) of the second lens (20) on the object side (La), the sag amount Sag21 (mm) and the diameter D21 (mm) of the lens surface (21) satisfy the following conditional expression: 0<|Sag21/(D21/2)|<0.125.

Abstract: The present disclosure provides an optical unit with shake correction function capable of preventing a thrust receiving member, which fixes a sphere, from falling off from the movable body in an optical axis direction. According to some embodiments of the present disclosure, a thrust receiving member to which a first sphere is fixed is held by a holding portion formed of the cutout recess provided in a fixed body. A bottom wall surface of the holding portion makes contact with a bent plate portion of the thrust receiving member from ?Z direction side. Further, locked surface parts provided on a pair of side wall surfaces of a holding portion make contact, from +Z direction side, with a pair of locking plate portions protruding from a bent plate portion in circumferential direction in the thrust receiving member.

Abstract: A shake correction optical unit with a shake correction function may cause a movable body including an optical module to swing around an X axis and a Y axis that are perpendicular to an optical axis L. A flexible printed board may include a second folded portion drawn from the movable body in a +Y direction, and bent in a direction of the optical axis L and folded once; and a first folded portion bent to extend from the second folded portion in the +Y direction and folded once. At least one of the second folded portion or the first folded portion may be thus easily bendable when the movable body swings in either direction around the X axis or around the Y axis.

Abstract: A wide-angle lens (100) includes a front group (110), an aperture (80), and a rear group (120). The front group (110) includes a first lens (10), a second lens (20), and a third lens (30) arranged in order from a side (La) closest to an object to an image side (Lb). In such a wide-angle lens, to suppress an occurrence of a ghost caused by multiple reflection between a lens surface (22) of the second lens (20) on the image side (Lb) and a lens surface (31) of the third lens (30) on the object side (La), the sag amount Sag31 (mm) and the diameter D31 (mm) of the lens surface (31) satisfy the following conditional expression: 0<1Sag31/(D31/2)<0.125.