Panasonic Intellectual Property Management Co., Ltd.

Matsushita Electric Industrial Co., Ltd.

Panasonic Corporation

Tetsuya Morita

Kenji Sasaki

Fumio Shinano

Haruo Yamashita

Hideyuki Takezawa

Daisuke Ito

Kenichi Honjo

Masayuki Takahashi

Hideaki Mukae

Hironori Honsho

Tsumoru Fukushima

Naoki Yoshikawa

Makoto Umeda

Kazuyuki Takahashi

Toshiyuki Wada

Yoshihiro Yokoyama

Takeshi Sakakibara

Hideaki Kawane

Tatsuhiro Enomoto

Tetsuya Kitagawa

Yuichiro Kimoto

A zoom ring drive device () comprises a guide unit (), a guide unit (), a drive gear (), and a DC motor (). The guide unit () slides in the optical axis direction of a lens (L) included in the lens barrel (). The guide unit () is provided to the guide unit () and slides in a direction perpendicular to the optical axis direction. The drive gear () is provided in the guide unit () at a position where the drive gear comes into contact with a ring gear () wound around a zoom ring (), and rotates in a state of being in contact with the ring gear () to rotate the zoom ring (). The DC motor () is provided to the guide unit () and rotationally drives the drive gear ().

Manually operated ring drive device

An optical device actuator comprises a movable frame () including a focus lens (L); a main shaft guide (); a piezoelectric element (); a weight (); a fixed frame (); a guide holding frame (); and a spring (). The piezoelectric element () imparts vibration to a first end () side of the main shaft guide (). The fixed frame () supports the piezoelectric element () and the weight () disposed on the first end () side of the main shaft guide (). The guide holding frame () supports, in a fixed state, the main shaft guide () on a second end () side on the opposite side from the first end () side. The spring () is provided on the first end () side of the main shaft guide (), and presses the piezoelectric element () along the axial direction with respect to the first end () of the main shaft guide () via the weight ().

Optical device actuator and lens barrel provided with same

A lens barrel includes: a first lens holding frame; a fixed barrel holding the first lens holding frame and including an elongated window provided radially; and a first step-type eccentric roller rotatably fixed to the first lens holding frame. The first step-type eccentric roller includes usable and non-usable regions on a periphery substantially perpendicular to the rotation axis, a distance from a center of the rotation axis to any point within any one of the usable regions is constant, and the distance is different for each of the usable regions, and the first step-type eccentric roller is fixed to the first lens holding frame by rotating the first step-type eccentric roller about the rotation axis, changing an engagement position between one of the usable regions and a side forming the polygonal shape of the elongated window, and moving the lens group parallel to an optical axis to perform shift adjustment.

Lens barrel and shift adjustment method for lens barrel

A lens barrel includes: a first ring; a second ring that switches between a first position and a second position by sliding in an optical axis direction; a plurality of biasing mechanisms that are provided on one of the first ring and the second ring, and providing adjustable biasing force in a radial direction; and a locking portion provided on the other of the first ring and the second ring on which the plurality of biasing mechanisms are not provided. The plurality of biasing mechanisms each include an elastic component having a contact portion and a biasing component that biases the elastic component. The first ring and the second ring are integrally rotatable when the contact portion contacts the locking portion which opposes the contact portion when the second ring is at the second position.

Lens barrel

A lens barrel includes a tip member, a lens hood, and a sliding member. The tip member is disposed on a subject side in an optical axis direction, and includes an optical system. The lens hood moves between a storage position and a use position in the optical axis direction. The sliding member is provided on an inner circumferential surface side of the lens hood. When the lens hood moves from the storage position to the use position, the sliding member moves to the subject side in the optical axis direction in a state where the sliding member is in contact with an outer circumferential surface of the tip member. In a state where the lens hood is located at the storage position, an interval of at least a portion of a clearance formed between the inner circumferential surface of the lens hood and the outer circumferential surface of the tip member is narrowed toward the subject side in the optical axis direction.

Lens barrel and camera provided with same

A lens barrel is detachably attached to a camera body, and includes an exterior unit, a rear frame, a tripod mount, and a tripod lock screw. The exterior unit includes an optical system. The rear frame is mounted to the exterior unit so as to be rotatable around an optical axis. An outer peripheral surface of the lens barrel is configured with the exterior unit and the rear frame. The tripod mount is provided on the rear frame to be fixed to a tripod. The tripod lock screw fixes a rotational position around the optical axis of the rear frame to the camera body at a predetermined rotational position, in a state in which the lens barrel is mounted to the camera body.

An image stabilizer of the present invention is provided with a lens modulethat holds a lens and an imaging element, an inner frame that turnably supports the lens module, and driving portion that turns the lens modulerelative to the inner frame, with the driving portion including a bimorph. An image stabilizer thereby can be provided that allows the overall size and profile of an imaging apparatus to be reduced.

Image stabilizer

In order to avoid a load change which occurs when seam O passes by the heads affect image information, a dyeing layer transfer head and recording heads are located in equal intervals having length P, which is obtained by equally dividing an entire circumference K of a recording intermediate belt by n (n is integer), and, given that the position of the seam of the recording intermediate belt, which does not have an end obtained by coupling two ends of a belt body of a band shape, is origin O, images are formed in portions except for portions at origin O, or at a distance of 1&#xd7;P, 2&#xd7;P, . . . (n&#x2212;1)&#xd7;P from origin O. In this way, it is possible to prevent deterioration in the image quality, such as a stripe line in an image formed by an image forming apparatus.

Image formation device and image formation method

A recording intermediate beltwhich is made endless so as to travels around a continuous path has image formation areas and non-image formation areas alternately provided on an outer surface thereof. Images of different colors are sequentially formed in the image formation areas by recording headsthroughrespectively provided in first through third image formation sectionsthrough. The recording headsthroughof the first through third image formation sectionsthroughare separated from each other by a distance which is greater than a length of an image formation area in a traveling direction of the recording intermediate belt. The recording headsthroughare each pressed onto the recording intermediate beltin a non-image formation area immediately preceding an image formation area and starts an image formation operation. The image formation operation is stopped when the recording headsthrougheach face a non-image formation area immediately subsequent to the image formation area. Thus, a clear full-color image can be formed with the image formed in each image formation section being free from color non-uniformity.

Image forming device and recording intermediate belt mounting jig

A cassette changer comprises a stocker for storing cassettes, a recording/reproducing device for recording signals in a cassette or reproducing signals from a cassette, and a transfer device for transferring a cassette between the stocker and the recording/reproducing device. The cassette changer further comprises a push-in member for pushing-in a cassette projecting from the stocker to a position where the cassette does not disturb the movement of the transfer device along the cassette in the stocker.

Cassette changer

A cassette changer which comprises a recording and reproducing unit having an insert and withdrawal port into and from which a groove-carrying cassette can be inserted and withdrawn, and a storage unit adapted to store a plurality of cassettes therein, and which is used to transfer the cassette between the recording and reproducing unit and storage unit, the cassette changer being further provided with a chuck capable of taking a locking position in which the chuck is engaged with the groove of the cassette, and a release position in which the chuck leaves the groove and does not prevent a first transfer unit from moving, a second transfer unit transferring a cassette to a storage position or an insert and withdrawal position and thereafter being allowed to move further, whereby a chuck releasing member engages the chuck, which is thereby moved from the locking position to the release position.

Growing community of inventors

Osaka, Japan

Tetsuya Morita