Sony Corporation

Huawei Technologies Co., Limited

Atsushi Horidan

Satoshi Imai

Kazuhiro Hattori

Tatsuyuki Nakayama

Takahiro Okabe

Takumi Fukuda

Fujio Kanai

Mitsuru Ichikawa

Keishi Kobayashi

Ryuhei Azuma

Atsuya Ishii

Atsushi Yoneyama

Naoki Sekiguchi

Tadatsugu Nishida

Junichi Maenishi

An image blur correction device includes a lens unit having at least one lens and rotationally moving in a first direction which is a rotation direction of a first fulcrum axis and in a second direction which is a rotation direction of a second fulcrum axis relative to an outer casing, a first driving motor which causes the lens unit to pivot in the first direction, and a second driving motor which causes the lens unit to pivot in the second direction. An auxiliary axis is disposed opposite to the first driving motor with interposing of the lens unit, the lens unit pivots in the first direction and in the second direction by the rotation of output axes of the first and second driving motors, and each output axis is rotatably supported by a pair of first bearings and each auxiliary axis is rotatably supported by a second bearing.

Image blur correction device and imaging apparatus

An image blur correction device includes a lens unit which has at least one lens, and can be pivoted in two directions, which are orthogonal to each other, with respect to an outer housing, and a first driving motor and second driving motor which pivot the lens unit in the directions, in which a coil body having a plurality of coil sections, and a magnet placed to face the plurality of coil sections, are provided in the first driving motor and the second driving motor, a placement area, in which the plurality of coil sections are placed and a non-placement area, in which there are no coil sections, are formed, and the outer circumference of the non-placement area is positioned to the inside of a virtual circle that links the outer circumferences of each coil section in each plurality of coil section.

A camera module advantageous in simplifying an assembly process is provided. A camera moduleincludes a barrel unithaving a housing space S; a lens holding unitwhich holds an imaging optical system, which is housed in the housing space S, and which is supported such that the lens holding unitis movable along an optical axis of the imaging optical system; an image pickup elementwhich is disposed in the barrel unitand which picks up an object image guided by the imaging optical system; and a driving unitwhich moves the lens holding unitalong the optical axis of the imaging optical system. The barrel unitincludes an inner barrelin which the housing space S is formed and an outer barreldisposed outside the inner barrel. A retaining plateincludes a front plate portionA and two side plate portionsB. The retaining plateclamps the inner barreland the outer barrelin the optical axis direction in the state in which the front plate portionA retains a front end of the outer barreland distal ends of the two side plate portionsB retain the rear end-face wall

Camera module

A switching mechanism for optical component includes: an optical component; a holder member holding the optical component; a drive mechanism having a drive motor that drives the optical component held by the holder member to rotate on a plane orthogonal to an optical axis from an optical axis position at which the optical component is on the optical axis to an evacuation position at which the optical component is off the optical axis; and a restriction member restricting a rotation of the holder member, by which at least a rotation of the optical component held by the holder member is restricted at the optical axis position. The drive mechanism includes the drive motor, a worm attached to a rotation shaft of the drive motor, and a worm wheel meshed with the worm and provided to the holder member.

Switching mechanism for optical component, lens barrel, and imaging device

A diaphragm unit includes: a plate-like base member having an optical path hole formed therein; diaphragm blades overlapping with each other in an optical axis direction of an optical system, being supported by the base member so as to be movable in directions in which the diaphragm blades approach and depart from the optical axis along a plan perpendicular to the optical axis, and forming a diaphragm opening centered on the optical axis inside the optical path hole; and a driving mechanism adjusting the size of the diaphragm opening by moving the diaphragm blades.

Diaphragm unit, lens barrel, and imaging apparatus

A camera module () that is advantageous in increasing the endurance and impact resistance is provided. The camera module () includes a barrel unit (), a lens holding unit (), springs (), an image pickup element (), and a driving unit (). The barrel unit () includes a front barrel () and a rear barrel (). The driving unit () moves the lens holding unit () along an optical axis of an imaging optical system (), and includes magnets () and coils (). The two magnets () are disposed on the lens holding unit () at positions having the optical axis therebetween and extend parallel to a single imaginary plane which passes through the optical axis. The coils () are respectively disposed on the barrel unit () at two positions where the coils () face the magnets ().

An image pickup apparatus may include an imaging optical system operative to adjust a focal position of images corresponding to light incident from a lens, a frame arranged movably in an optical axial direction of light incident to the imaging optical system for fixing the imaging optical system by covering the periphery of the imaging optical system, a drive unit operative to move the frame in the optical axial direction to an arbitrary position within a predetermined range, an image pickup device operative to receive light incident through the imaging optical system so as to output a signal corresponding to the received light, and an urging unit inserted between a pedestal base having the image pickup device attached thereto and the frame for urging the frame in the optical axial direction as well as in a direction remote from the image pickup device.

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Kanagawa, Japan

Atsushi Horidan