Panasonic Intellectual Property Management Co., Ltd.

Panasonic Corporation

Minolta Company, Ltd.

Konica Minolta Opto, Inc.

Minolta Camera Kabushiki Kaisha

Konica Minolta Photo Imaging, Inc.

Tetsuya Uno

Fumio Shinano

Hiroyasu Fujinaka

Takumi Kuwahara

Atsushi Hasegawa

Akio Konishi

Kazuaki Matsui

Manabu Kobayashi

Toshiyuki Nakada

Shinichi Iwasaki

Norihiko Saka

Keishi Iwasaki

Hiroshi Ootsuka

Koichiro Hirabayashi

Hideyuki Hashi

Yoshifumi Mitani

Keiji Sakamoto

Hironori Honsho

Satoshi Fukuda

Dai Shintani

Hideki Nagata

Takashi Okada

Takeshi Hashimoto

Yoshihiro Tanaka

Sadafusa Tsuji

Michihiro Iwata

Toshihiro Hamamura

Tsutomu Honda

Kenichi Miyamori

Naoki Yoshikawa

Kazutake Boku

Hiroshi Mashima

Daigo Yoshioka

Makoto Umeda

Yasuhiro Shingu

Yasuo Hawai

Taro Shibuya

Hiroaki Hasegawa

Shuichi Fujii

Hisanori Kohno

Takeshi Sakakibara

Hideo Onishi

Hiroyuki Ogura

Norio Maeda

Shinichi Yokoyama

Yoshifumi Harada

Takayuki Kawamura

Norihiro Inoue

Wataru Yamazaki

Kazuharu Matsumoto

A camera system includes a camera body, a lens barrel that is mounted to the camera body and includes at least one movable lens, and a zoom ring drive device that is mounted to the camera body. A first control unit of the camera body controls a second control unit of the lens barrel and a third control unit of the zoom ring drive device so as to move a zoom lens with a DC motor on the basis of information about the characteristic of the zoom lens and an optical characteristic value inputted to an input unit.

Camera system, camera body

An aperture unit includes a base plate, a cover, a plurality of aperture blades, a drive ring, and protrusions. The aperture blades are disposed between the base plate and the cover, and adjust the amount of light passing through by varying the size of an opening. The drive ring is disposed between the base plate and the cover, and is rotationally driven when the aperture blades are opened and closed. The protrusions are provided to the drive ring and the cover, respectively, and support the aperture blades in the direction of suppressing upward warpage of the aperture blades in a state in which the aperture blades move in the direction of reducing the size of the opening.

Light shielding unit and lens barrell provided with same

A lens barrel () comprises a fixed frame (), a main shaft guide () that is fixed to the fixed frame, a movable frame () that moves along the main shaft guide (), a driver (magnet (), drive coil ()) that moves the movable frame () relatively with respect to the fixed frame () along the main shaft guide (), and a vibration imparting unit () that imparts vibration to the main shaft guide ().

Optical device actuator and lens barrel provided with same

An aperture unit () comprises an aperture cover (), an aperture base (), and a light shielding portion (). The aperture cover () has an opening () through which light passes. The aperture base () is disposed on the downstream side of the aperture cover () in the light incidence direction, and has an opening () through which light passes. The light shielding portion () is disposed between the aperture cover () and the aperture base (), and has an opening () through which the light that passed through the opening () passes, and a plurality of opaque aperture stop blades () that are formed from a polyimide resin and vary the size of the opening ().

Light shielding unit, lens barrel comprising the same, and method for manufacturing movable blade

Lens barrel according to the present exemplary embodiment is provided with lens unit, stationary frame, focus ring, focus grip, and a fixing section. Lens unit has an optical system. Stationary frame supports lens unit to be movable in a direction of optical axis X of the optical system. Focus ring is disposed on an outer circumferential side of lens unit, and is rotated when focus adjustment is manually performed. Focus grip is provided to protrude outwardly from focus ring, and operated for rotating focus ring. The fixing section fixes focus ring to stationary frame when focus adjustment is automatically performed. The fixing section has fixing button which is disposed on focus grip and operated for fixing focus ring to stationary frame.

Lens barrel

A lens barrel includes at least one lens, the optical axis of the lens; the first frame (the fixed frame) having the first restricting portion () and having an approximately cylindrical shape about the optical axis; the second frame () having the cam groove () and having an approximately cylindrical shape about the optical axis; the third frame () having the guide portion () which restricts inclination thereof with respect to the first contact portion () and the optical axis and having an approximately cylindrical shape about the optical axis; the drive arm () having a cam follower (), the second restricting portion () and the second contact portion (), and having an approximately arcuate shape constituted of a portion of a circular cylinder about the optical axis or an approximately plate shape; the guide shaft () for guiding the guide in a movable manner in the optical axis direction; and the spring (). The first restricting portion engages with the second restricting portion. The cam engages with the cam groove (). The drive arm moves approximately parallel to the optical axis due to the relative rotation of the second with respect to the first frame, the third is biased by the thus bringing the first contact portion and the second contact portion into contact with each other, and the third frame moves in the optical axis direction in an interlocking manner with the drive with the inclination of the guide being restricted by the guide.

The lens barrel includes an imaging optical system comprising at least a first lens, a plate-shaped protection glass which is disposed closer to a subject side than the first lens and has light transmission, and an annular ring part provided on the outer circumferential edge of the surface of the protection glass facing the subject side.

Lens barrel and imaging device

A lens barrel includes a first frame body, a second frame body, a support frame, and a retracting lens frame. The support frame is supported by the second frame body and moves with respect to the second frame body within a first plane for image blur correction in an imaging enabled state, the first plane being perpendicular to an optical axis. The retracting lens frame moves around a retraction shaft during a transition period between an imaging enabled state and a housed state, the retraction shaft being substantially parallel to the optical axis. The support frame has a protrusion which comes into contact with a groove included in the first frame body and restricts a movable range of the support frame in the first plane and a second plane that is parallel to the first plane.

A lens barrel in which a lens can be moved in a direction parallel to an optical axis includes: a first frame having a cam follower and a cam follower base that holds the cam follower; and a second frame that has a cam groove engageable with the cam follower. The first frame and the second frame are moved relatively to each other along the optical axis. The cam follower base has a first end connected to the main body of the first frame via at least one thin portion, and a second end not connected to the main body. The thin portion is formed such that a thickness of the thin portion in a radial direction of the lens barrel is smaller than that of the cam follower base.

The lens barrel includes a first planar portion, a barrier front cover, a vane portion, and a lens group frame. The first planar portion is configured to be substantially perpendicular to an optical axis and includes a first opening portion. The barrier front cover includes a second opening portion. The vane portion is configured to move between a first position and a second position. The vane portion is configured to cover the first opening portion and the second opening portion at the first position, and allow the first opening portion and the second opening portion to open at the second position. The lens group frame is configured to support rotatably the vane portion and includes at least one lens. The first planar portion is disposed closer to a subject than the barrier front cover. The first opening portion is formed smaller than the second opening portion.

A lens barrel includes a frame body, a support frame, and a refracting lens frame. The support frame is configured to be supported by the frame body and move within a plane perpendicular to the optical axis with respect to the frame body. The refracting lens frame includes a lens support portion and is configured to retract around a retraction shaft. The frame body includes an opening portion. The opening portion is configured to open outward with respect to the optical axis. The opening portion is configured to house part of the lens support portion during a transition period between an imaging enabled state and a housed state. The support frame includes a light blocking portion. The light blocking portion is provided in front of part of the opening portion in an optical axis direction in order to block light rays.

A lens barrel according to a first aspect of the present disclosure includes the lens frame which holds the lens, and the holding frame which holds the lens frame in a state where the lens frame is movable in a plane orthogonal to the optical axis. A biasing means which generates a force in the direction that the lens frame is lifted up against the gravity is provided to at least the holding frame out of the holding frame and the lens.

The lens barrel includes a first frame body, a second frame body, a support frame, and a retracting lens frame. The second frame body is supported by the first frame body. The support frame is supported by the second frame body and move with respect to the second frame body within a plane. The plane being perpendicular to the optical axis. The retracting lens frame is supported by the support frame and move around a retraction shaft during a transition period between an imaging enabled state and a housed state. The retraction shaft is substantially parallel to the optical axis. The second frame body, the support frame, and the retracting lens frame move in the optical axis direction with respect to the first frame body during the transition period. The first frame body restricts the movement of the support frame within the plane during the transition period.

Lens barrel including blur correcting mechanism and rotatable retracting lens

Growing community of inventors

Osaka, Japan

Tetsuya Uno