| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 359825000 | Focusing ring | 23 |
| 20080266683 | LENS MODULE - A lens module includes a base; a focusing ring rotatably mounted to the base and having at least one driving portion formed on a torus thereof, the driving portion having at least two positioning portions and at least one inclined portion in connection with the two positioning portions, the two positioning portions being located at different radial positions of the ring body; and a combination holder being fitted onto the focusing ring to be rotatable on an internal sidewall the focusing ring, the combination holder having at least one convex portion contacting against one of the at least two positioning portions, the combination holder being combined with a lens barrel that a lens set is received. Accordingly, while the focusing ring is rotated, the combination holder is axially moved to change the axial distance between the combination holder and the base, finally attaining the focusing effect. | 10-30-2008 |
| 20090059400 | Lens barrel and imaging apparatus - A lens barrel includes a focus cam ring that holds a focus lens group and moves in the optical axis direction of the focus lens group while rotating along a cam groove in response to a focusing operation, and a fixed tube having a fitting raised portion that can pivot the focus cam ring in the rotational direction thereof and movably supports the focus cam ring in the optical axis direction. The focus cam ring has a position restrictor that can engage the fitting raised portion, and the position restrictor includes a rotational-direction restrictor that restricts the position of the focus cam ring in the rotational direction and an optical axis-direction restrictor that restricts the position of the focus cam ring in the optical axis direction. | 03-05-2009 |
| 20090168209 | Focusing device and focusing method - A focusing device is provided. The focusing device has a changing focal length along a physical parameter thereof. The focusing device could be annular or in a shape of a disk. The annular focusing device has a width thereof changing with a periphery thereof, and the disk-shaped focusing device has a thickness, wherein the thickness of the disk-shaped focusing device is changing with an angular position thereof. | 07-02-2009 |
| 20090279192 | LENS DEVICE AND IMAGING DEVICE - It is intended to carry out a focusing operation suitably in each case of automatic focusing and manual focus adjustment. Therefore, in the present invention, there is provided a first focus ring | 11-12-2009 |
| 20100103543 | VARIABLE POWER LENS - A variable power lens, having first and second lens groups, includes first and second lens group support frames, a linear guide ring, first and second lens group drive rings which rotate to move the first and second lens group support rings in the optical axis direction relative to the linear guide ring, a drive ring coupler which couples the first and second lens group drive rings with each other to prevent relative rotation therebetween while allowing relative movement therebetween in the optical axis direction; and a drive-ring movement controller which integrally rotates the first and second lens group drive rings via the drive ring coupler without relatively moving in the optical axis direction when a power-variation operating member is operated, and moves one of the first and the second lens group drive rings in the optical axis direction without rotating when a focus operating member is operated. | 04-29-2010 |
| 20100214679 | WATER-RESISTANT STRUCTURE OF A LENS BARREL - A water-resistant structure of a lens barrel includes a sealing member that seals an annular gap between inner and outer annular members, wherein the sealing member is positioned in a vicinity of an open end of the outer annular member and is fixed to one of the inner and outer annular members to be slidable on the other of the inner and outer annular members, and a drain groove formed on the inner annular member and positioned alongside the sealing member at a position closer to the open end of the outer annular member than the sealing member. Furthermore, a frictional resistance of a first sealing member produced between a secondary annular member and a manually-rotatable annular members is greater than a frictional resistance of the second sealing member that urges one of two of the manually-rotatable annular members to follow a rotation of the other thereof when rotated. | 08-26-2010 |
| 20100232044 | LENS DEVICE - A monitoring lens device includes a focus ring that is provided in an outer circumferential portion of a fixed cylinder and a zoom ring that is provided in an outer circumferential portion of the focus ring. A screw hole that is engaged with a shaft portion of a lock knob is formed in the focus ring, and an opening portion (long groove) through which the lock knob passes is formed in the zoom ring. A spacer is attached to the lock knob and a convex portion of the spacer is fitted into the opening portion. | 09-16-2010 |
| 20110007409 | LENS BARREL HAVING SMALL UNIT FOR STABLY GUIDING FOCUS LENS, AND IMAGE PICKUP APPARATUS - A lens barrel includes a drive ring having a hollow cylindrical shape and configured to rotate around an optical axis, and a lens holder configured to move in an optical axis direction relative to the drive ring, the lens holder including a body located inside of the drive ring and configured to hold a lens, and an arm extending to outside of the drive ring. The drive ring has a notch, and the arm of the lens holder is configured to enter the notch of the drive ring. | 01-13-2011 |
| 20110043936 | LENS DEVICE - Disclosed is a lens device including a click mechanism of a ring member that is rotated with respect to a lens barrel body, slides in the optical axis direction, has high slidability during a click operation and high durability, and can prevent one-sided abrasion due to the inclination of the ring member. A click mechanism of a first focus ring includes: elastic members for clicking provided at three equally divided positions on the circumference of a front fixed ring of a lens barrel body; and a contact portion that is formed in a central portion of the inner circumferential surface of the first focus ring and comes into contact with a convex portion of the elastic member for clicking. The elastic member for clicking is made of polyacetal with high slidability. Therefore, it is possible to reduce the abrasion of the elastic member for clicking during a click operation. | 02-24-2011 |
| 20110109982 | LENS APPARATUS - According to the lens apparatus of the present invention, the detection unit which detects the position of the first focus ring is disposed in the case of the lens drive unit, which thus enables the downsizing of the lens barrel. Further, the interlock member is disposed in the case of the drive unit, and hence it is possible to accurately detect the position of the first focus ring without an influence of disturbance caused by a drop of water, dirt, and the like, and to perform accurate focus control. | 05-12-2011 |
| 20110134550 | LENS MODULE - A lens module includes a holder, a barrel, a lens, and a focus ring. The barrel is accommodated in the holder and threadedly coupled to the holder. The lens is received in the barrel. The focus ring surrounds and is securely fixed with the barrel. The focus ring is sandwiched between the holder and the barrel. The focus ring has at least two protrusions formed on an outer surface thereof. The at least two protrusions are symmetrical about a center of the focus ring. | 06-09-2011 |
| 20110176231 | CAMERA MODULE - A camera module includes a barrel, a holder, a focus ring and an elastic element. The barrel includes a bottom surface opposing the holder. The holder includes an end surface facing the bottom surface of the barrel. At least one of the bottom surface and the end surface defines a first curved cutout and a second curved cutout. The depth of the first curved cutout is different from that of the second curved cutout. The focus ring is positioned between the bottom surface and the end surface. The focus ring includes a bump. An end of the elastic element is fixed to the barrel and the other end is fixed to the holder. The elastic element pulls the barrel to position the focus ring between the barrel and the holder. When rotating the focus ring, the bump can be received in the first curved cutout or the second curved cutout. | 07-21-2011 |
| 20120176692 | FOCUS RING AND SUBSTRATE PROCESSING APPARATUS HAVING SAME - There is provided a focus ring that is capable of preventing deposits from adhering to a member having a lower temperature in a gap between two members having different temperatures. A focus ring | 07-12-2012 |
| 20130271862 | LENS APPARATUS - A lens apparatus includes a movable optical element, a driving ring rotatable about an optical axis and adapted to drive the optical element by its rotation, and an operating ring coupled to the driving ring and adapted to rotate about the optical axis integrally with the driving ring. The operating ring includes a first partial operating ring fixed to the driving ring by a first fixing mechanism that allows adjustment of the fixing position with respect to the rotational direction and a second partial operating ring fixed to the first partial operating ring in such a way as to cover the first fixing mechanism. The second partial operating ring is fixed to the first partial operating ring by a second fixing mechanism that allows adjustment of the fixing position with respect to the rotational direction. | 10-17-2013 |
| 20140009847 | LENS BARREL AND CAMERA SYSTEM - A lens barrel includes a fixed portion with an optical system including a focusing lens. An operation member is placed so as to be movable to first and second positions along an optical axis of the fixed portion, and turnable around the optical axis at the first and second positions. A turning member turns along with the operation member when moved to the second position, and does not operate with the operation member when moved from the second position to the first position. Positioning means position the operation member at the first or second position through a plurality of balls. When the operation member is at the first position it is urged to the first position by the plurality of balls. When the operation member is at the second position, it is urged to the second position by the plurality of balls. | 01-09-2014 |
| 20140029121 | LENS DEVICE AND METHOD OF CONTROLLING FOCUS - A lens device comprising a barrel body which movably holds a focus lens in an optical axis direction; a focus ring provided on an outer circumferential part of the barrel body and having a regulated rotation range; a rotation position detecting unit which detects a rotation position in the rotation range of the focus ring; a touch sensor provided on the outer circumferential part of the barrel body so as to be adjacent to the focus ring; and a control device which perform absolute position control of moving the focus lens to an absolute position corresponding to the rotation position detected by the rotation position detecting unit and relative position control of moving the focus lens to a relative position corresponding to a sliding amount on the touch sensor on an outer circumferential surface in a circumferential direction. | 01-30-2014 |
| 20140268375 | DEVICE FOR CHANGING OPERATING FORCE OF LENS DEVICE - An outer tube body of a device for changing operating force is connected to a gear part of a zoom ring of a lens barrel to rotate the outer tube body together with the zoom ring. The outer tube body has a cylindrical shape and includes a hollow part into which an inner tube body whose rotation is restricted is arranged. Grease is interposed in a gap is formed between an inner peripheral surface of the outer tube body and an outer peripheral surface of the inner tube body. A load caused by viscosity resistance of the grease is applied against rotation of the outer tube body together with the zoom ring. The inner tube body can be displaced in a direction of the center axis so that area of a sliding contact region between the outer tube body and the inner tube body is changed. | 09-18-2014 |
| 20140340776 | LENS DEVICE AND IMAGING APPARATUS - A lens device, includes: a lens barrel including an operation ring provided to be rotatable about an optical axis; a drive unit including a drive part configured to rotatably drive the operation ring, the drive unit being detachably fixed to a predetermined portion on an outer circumference of the lens barrel, in which the drive unit moves in relation to the lens barrel in a direction of the optical axis to be attached to or detached from the lens barrel, and the operation ring and the drive unit are respectively provided with engaging parts, wherein, when the operation ring is at a predetermined rotation angle about the optical axis, the engaging parts being configured to be engaged with each other during the attachment or detachment of the drive unit in relation to the lens barrel to allow the attachment or detachment of the drive unit. | 11-20-2014 |
| 20140347754 | ADJUSTING ASSEMBLY FOR A LENS OF A CAMERA - An adjusting assembly for a lens of a camera has a hollow housing with a mounting portion, at least one driving ring mounted around the lens, at least one turning rod mounted through the mounting portion and engaging with the at least one driving ring, and at least one limiting ring. The at least one limiting ring is embedded in the mounting portion of the housing and prevents the at least one turning rod from dropping out of the housing. The mounting portion is integrally formed on the housing and has an enlarged thickness that allows the at least one turning rod to be stably mounted on the housing. The at least one turning rod is embedded in the housing, such that appearance of the housing is smooth and pleasing. | 11-27-2014 |
| 20140362459 | LENS BARREL - A lens barrel has a telescopic structure in which an inner barrel and an outer barrel move relative to each other. A plurality of ring retainers ( | 12-11-2014 |
| 20150316741 | APPARATUS FOR FIXING SOLID IMMERSION LENS - Provided is an apparatus for fixing a solid immersion lens (SIL) in an optical system. The apparatus includes a first adapter; a second adapter screw-coupled to the inner surface of the first adapter and screw-coupled to the outer surface of a third adapter to pressurize a first O-ring; the third adapter screw-coupled to the inner surfaces of the second adapter and a fourth adapter; the fourth adapter screw-coupled to the outer surface of the third adapter to pressurize a second O-ring; the first and second O-rings elastically fixing an outer surface of a barrel of an infrared ray (IR) objective lens; and an SIL holder mounting the SIL onto the first adapter. | 11-05-2015 |
| 20160054538 | LENS BARREL AND IMAGING APPARATUS - A lens barrel includes a lens drive ring actuated to drive a lens group along an optical axis, a driving direction detector detecting a driving direction of the lens drive ring, an actuator actuating the lens drive ring, a power transmission mechanism transmitting a driving force of the actuator to the lens drive ring, a manual operation member to manually move the lens drive ring, and a lens-driving controller controlling the actuator to drive the lens drive ring to move the movable lens group. When the lens drive ring is driven, the lens-driving controller controls a driving output of the actuator according to whether or not a first driving direction of the lens drive ring detected immediately before the lens drive ring is driven and a currently-detected second driving direction of the lens drive ring are mutually identical. | 02-25-2016 |
| 20160178865 | LENS BARREL AND OPTICAL APPARATUS | 06-23-2016 |
