Abstract: An imaging apparatus includes a movable member supporting an imaging device; a stationary member supporting the movable member to allow the movable member to spherically swing about a point on an optical axis of the imaging device; first and second actuators which apply two driving forces to the movable member in different tilting directions to vary an inclination of the optical axis; and a third actuator which applies a driving force to the movable member in a rotational direction about the optical axis. The first, second and third actuators are provided as three separate actuators installed at intervals in a circumferential direction about the optical axis, in an initial state of the movable member in the spherical-swinging operation relative to the stationary member. Part of each of the first, second and third actuators lies on a cylindrical surface centered on the optical axis in the initial state.

Abstract: An imaging apparatus includes a front lens group, including a reflector element and a front lens element on the object side thereof, and a rear lens group; a support member, fixed to a fixed member that supports the reflector element, including a spherical-swinging operation support positioned behind the reflection surface of the reflector element and supporting a movable member supporting the front lens element to spherically swing about a predetermined point, a rotation preventer preventing the movable member from rotating about the optical axis of the front lens element, a detector supporter, and a mounting portion mounted to the fixed member; an actuator which drives the movable member to spherically swing the movable member in response to vibrations applied to the imaging optical system; a detector detecting positional variations of the movable member; and an adjuster which adjusts the position of the mounting portion relative to the fixed member.

Abstract: An imaging apparatus includes a movable member which supports an imaging device, a supporter which supports the movable member in a manner to allow the movable member to spherically swing about a swing center on an optical axis of an optical system of the imaging device, and a driver which drives the movable member to perform an image-stabilizing operation. The supporter includes supported surfaces on the movable member at different circumferential positions, and support surfaces provided on the stationary member at different circumferential positions in the initial state, the supported surfaces being in slidable contact with the support surfaces. Each support surface defines a cylindrical surface having a central axis through the swing center in a direction orthogonal to the optical axis in the initial state, the cylinder having substantially the same radius as that of the spherical surface of an associated supported surface.

Abstract: An imaging apparatus includes a movable member supporting an imaging device; a stationary member supporting the movable member to allow the movable member to spherically swing about a point on an optical axis of the imaging device; first and second actuators which apply two driving forces to the movable member in different tilting directions to vary an inclination of the optical axis; and a third actuator which applies a driving force to the movable member in a rotational direction about the optical axis. The first, second and third actuators are provided as three separate actuators installed at intervals in a circumferential direction about the optical axis, in an initial state of the movable member in the spherical-swinging operation relative to the stationary member. Part of each of the first, second and third actuators lies on a cylindrical surface centered on the optical axis in the initial state.

Abstract: An imaging apparatus includes a front lens group having a front lens element and a reflector, in that order from an object side. The reflector includes a reflection surface which reflects light rays, from the front lens element, toward a different direction; a rear lens group positioned closer to an image plane than the front lens group, the imaging apparatus performs an image-stabilizing operation by driving the front lens element, a movable frame holding the front lens element; a support member supporting the reflector and is immovable relative to an optical axis of the front lens element, in a reference state; and a support mechanism which supports the movable frame to spherically swing about a spherical-swinging center, positioned on an extension of the optical axis of the front lens element extending behind an underside of the reflection surface of the reflector.

Abstract: An imaging apparatus includes a front lens group having a front lens element and a reflector; a rear lens group, the imaging apparatus performing an image-stabilizing operation by driving the front lens element; a support member supporting the reflector; a support mechanism which supports the movable frame to spherically swing about a spherical-swinging center, positioned on an extension of the optical axis of the front lens element extending behind an underside of a reflection surface of the reflector; and a rotation preventer which prevents rotation of the movable frame about the optical axis of the front lens element while allowing the movable frame to spherically swing about the spherical-swinging center. The rotation preventer includes a projection and a projection insertion portion provided on the movable frame and the support member, respectively, or vice versa, and are engaged with each other.

Abstract: An imaging apparatus includes a front lens group having a front lens element and a reflector; a support member supporting the reflector; a support mechanism supporting the movable frame, supporting the front lens element, to spherically swing about a center positioned on an extension of the front lens element optical axis behind a reflection surface of the reflector; and a permanent magnet and a coil as an actuator which performs image stabilization by driving the movable frame in response to vibrations to spherically swing the movable frame. The permanent magnet and the coil planarly extend parallel to tangent planes, tangent to imaginary spheres centered about the center, respectively. Any normal to the tangent plane of the permanent magnet is inclined to the optical axis of the front lens element such that a distance between the normal and the optical axis increases in a direction toward the object side.

Abstract: An imaging apparatus includes a front lens group, including a reflector element and a front lens element on the object side thereof, and a rear lens group; a support member, fixed to a fixed member that supports the reflector element, including a spherical-swinging operation support positioned behind the reflection surface of the reflector element and supporting a movable member supporting the front lens element to spherically swing about a predetermined point, a rotation preventer preventing the movable member from rotating about the optical axis of the front lens element, a detector supporter, and a mounting portion mounted to the fixed member; an actuator which drives the movable member to spherically swing the movable member in response to vibrations applied to the imaging optical system; a detector detecting positional variations of the movable member; and an adjuster which adjusts the position of the mounting portion relative to the fixed member.

Abstract: An imaging apparatus includes a front lens group having a front lens element and a reflector; a rear lens group, the imaging apparatus performing an image-stabilizing operation by driving the front lens element; a support member supporting the reflector; a support mechanism which supports the movable frame to spherically swing about a spherical-swinging center, positioned on an extension of the optical axis of the front lens element extending behind an underside of a reflection surface of the reflector; and a rotation preventer which prevents rotation of the movable frame about the optical axis of the front lens element while allowing the movable frame to spherically swing about the spherical-swinging center. The rotation preventer includes a projection and a projection insertion portion provided on the movable frame and the support member, respectively, or vice versa, and are engaged with each other.

Abstract: An imaging apparatus includes a front lens group having a front lens element and a reflector; a support member supporting the reflector; a support mechanism supporting the movable frame, supporting the front lens element, to spherically swing about a center positioned on an extension of the front lens element optical axis behind a reflection surface of the reflector; and a permanent magnet and a coil as an actuator which performs image stabilization by driving the movable frame in response to vibrations to spherically swing the movable frame. The permanent magnet and the coil planarly extend parallel to tangent planes, tangent to imaginary spheres centered about the center, respectively. Any normal to the tangent plane of the permanent magnet is inclined to the optical axis of the front lens element such that a distance between the normal and the optical axis increases in a direction toward the object side.

Abstract: An imaging apparatus includes a front lens group having a front lens element and a reflector, in that order from an object side. The reflector includes a reflection surface which reflects light rays, from the front lens element, toward a different direction; a rear lens group positioned closer to an image plane than the front lens group, the imaging apparatus performs an image-stabilizing operation by driving the front lens element, a movable frame holding the front lens element; a support member supporting the reflector and is immovable relative to an optical axis of the front lens element, in a reference state; and a support mechanism which supports the movable frame to spherically swing about a spherical-swinging center, positioned on an extension of the optical axis of the front lens element extending behind an underside of the reflection surface of the reflector.

Abstract: An antiglare film includes a transparent substrate, and an antiglare layer formed on the transparent substrate. The antiglare layer includes a binder matrix and acrylic-styrene copolymer particles, and the binder matrix includes an acrylic material having a hydroxyl group. A quotient RA/H, which is obtained by dividing the average diameter RA of the acrylic-styrene copolymer particles by the average thickness H of the antiglare layer, is within a range of 0.30 to 0.80. A product in |nA?nM|×wA×H, which is the product of: the absolute value |nA?nM| obtained by subtracting the average refractive index nM of the binder matrix from the refractive index nA of the acrylic-styrene copolymer particles; the content wA of the acrylic-styrene copolymer particles when the content wM of the binder matrix in the antiglare layer is 100 parts by weight; and the average thickness H of the antiglare layer, is within a range of 0.70 to 3.00.

Abstract: The invention provides an antiglare film that has a low haze value, can maintain antireflection ability, and has inhibited reflection of external light, and also provides a manufacturing method thereof, and a transmission type liquid crystal display. The antiglare film includes a transparent substrate and an antiglare layer, wherein the antiglare layer is formed on the transparent substrate, has a concave-convex structure on the opposite surface of the antiglare layer from the transparent substrate, and includes a binder matrix and particles, the integrated reflectance of the antiglare layer at a wavelength of 550 nm is less than or equal to 4%, and a haze value of the antiglare layer is in the range of 3-15%.

Abstract: This invention provides an antiglare film of a type with a low content of particles that makes it possible to increase contrast, the antiglare film demonstrating appropriate antiglare property, small white blurring, and a low level of glittering, and also a method for manufacturing the film and a transmission type liquid crystal display. In the antiglare film, a content ratio of the particles in the binder matrix is within a range of 0.5-5 wt. %, a refractive index difference |nA?nM| is equal to or greater than 0.010, R25/R is in the range of 0.7-0.9, R75/R is in the range of 1.10-1.30, and R75/H is in the range of 0.70-1.50.

Abstract: An antiglare film includes a transparent substrate, and an antiglare layer formed on the transparent substrate. The antiglare layer includes a binder matrix and acrylic-styrene copolymer particles, and the binder matrix includes an acrylic material having a hydroxyl group. A quotient RA/H, which is obtained by dividing the average diameter RA of the acrylic-styrene copolymer particles by the average thickness H of the antiglare layer, is within a range of 0.30 to 0.80. A product in |nA?nM|×wA×H, which is the product of: the absolute value |nA?nM] obtained by subtracting the average refractive index nM of the binder matrix from the refractive index nA of the acrylic-styrene copolymer particles; the content wA of the acrylic-styrene copolymer particles when the content wM of the binder matrix in the antiglare layer is 100 parts by weight; and the average thickness H of the antiglare layer, is within a range of 0.70 to 3.00.

Abstract: An antiglare film includes an antiglare layer having particles and a binder matrix on a transparent base material. An antiglare film surface on the antiglare layer side has a concave-convex structure with a ten-point average roughness (Rz1) equal to or larger than 0.08 ?m and equal to or smaller than 0.10 ?m at a cutoff wavelength (?c) of 0.008 mm, the antiglare film surface on the antiglare layer side has a concave-convex structure with a ten-point average roughness (Rz2) equal to or larger than 1.90 ?m and equal to or smaller than 2.50 ?m at a cutoff wavelength (?c) of 0.8 mm, and the antiglare film surface on the antiglare layer side has a concave-convex structure with an average spacing (S) between local peaks equal to or larger than 0.033 mm and equal to or smaller than 0.050 mm at a cutoff wavelength (?c) of 0.8 mm.

Abstract: This invention provides an antiglare film of a type with a low content of particles that makes it possible to increase contrast, the antiglare film demonstrating appropriate antiglare property, small white blurring, and a low level of glittering, and also a method for manufacturing the film and a transmission type liquid crystal display. In the antiglare film, a content ratio of the particles in the binder matrix is within a range of 0.5-5 wt. %, a refractive index difference |nA?nM| is equal to or greater than 0.010, R25/R is in the range of 0.7-0.9, R75/R is in the range of 1.10-1.30, and R75/H is in the range of 0.70-1.50.

Abstract: The invention provides an antiglare film that has a low haze value, can maintain antireflection ability, and has inhibited reflection of external light, and also provides a manufacturing method thereof, and a transmission type liquid crystal display. The antiglare film includes a transparent substrate and an antiglare layer, wherein the antiglare layer is formed on the transparent substrate, has a concave-convex structure on the opposite surface of the antiglare layer from the transparent substrate, and includes a binder matrix and particles, the integrated reflectance of the antiglare layer at a wavelength of 550 nm is less than or equal to 4%, and a haze value of the antiglare layer is in the range of 3-15%.

Abstract: The present invention provides an antiglare film which has (1) appropriate antiglare properties in a frontal direction, (2) no white-blurring (3) no surface appearance such as a kind of orange on the surface of an antiglare layer's side. It is a feature of the antiglare film of the present invention that it has an antiglare layer on a transparent substrate and the antiglare layer includes a binder matrix and particles of an acrylate-styrene copolymer. In addition, the binder matrix includes an acrylic material having a hydroxyl group, a quotient (RA/H) obtained by dividing the average diameter of the particle (RA) by the average thickness of the antiglare layer (H) is in the range of 0.30-0.

Abstract: An antiglare film in which an antiglare layer containing particles and a binder matrix obtained by curing a material curable with ionizing radiation is directly provided on a triacetyl cellulose film. The antiglare layer is formed by a process of directly coating a coating liquid for forming an antiglare layer that contains at least the particles, the material curable with ionizing radiation, and a solvent on the triacetyl cellulose film and forming a coating film on the triacetyl cellulose film, a process of drying the coating film, and a process of curing the coating film by ionizing radiation. A haze difference (Hz(T)?Hz(P)) between a haze value (Hz(T)) of the antiglare layer formed on the triacetyl cellulose film and a haze value (Hz(P)) of an antiglare layer directly formed on a polyethylene terephthalate film by using the coating liquid for forming an antiglare layer under the same conditions as the antiglare layer formed on the triacetyl cellulose film is 1.3% or more to 3.2% or less.