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| Number | Title | Issue Date |
| 7769283 | Lens apparatus wherein focus detection precision is changed in accordance with insertion of an extender optical system into or removal of the extender optical system from the light path of an imaging optical system A lens apparatus includes an imaging optical system including a focus lens unit, a branching optical unit disposed at the image side of the focus lens unit, a focus-state detecting unit including a focus detecting element having a focus detection area that receives ... | 08/03/2010 |
| 7616876 | Imaging device A lens control device, for controlling driving of a second lens unit for correcting image movement regarding movement of a variating first lens unit, comprises: a storage unit for storing data indicating the position of the second lens unit corresponding to the posi... | 11/10/2009 |
| 7532812 | Lens apparatus A lens apparatus includes an imaging optical system including a focus lens unit, a branching optical unit disposed at the image side of the focus lens unit, a focus-state detecting unit including a focus detecting element having a focus detection area that receives ... | 05/12/2009 |
| 7480452 | System and method for image capturing Methods and related computer program products, systems, and devices for auto-focusing in an image-capturing system includes sampling output signals from an auto-focusing circuit in a first interval of lens distances and determining a first lens distance and a second... | 01/20/2009 |
| 7444074 | Autofocus lens apparatus and camera system with the same An autofocus lens apparatus is disclosed which is capable of changing a focus target area in position and size without degrading the operability of manual focusing when taking images with an autofocus function. The autofocus lens apparatus comprises an operating mem... | 10/28/2008 |
| 7428377 | Focusing drive apparatus A focusing drive apparatus includes a determination device that is configured to determine whether a present focusing condition is an AF-able condition or an AF-unable condition. In the AF-able condition, the focusing lens group can be moved to the in-focus position... | 09/23/2008 |
| 7415200 | Imaging device A lens control device, for controlling driving of a second lens unit for correcting image movement regarding movement of a variating first lens unit, comprises: a storage unit for storing data indicating the position of the second lens unit corresponding to the posi... | 08/19/2008 |
| 7396167 | Lens retracting structure A lens retracting structure includes a housing, an image-forming lens set moveably supported on two parallel guide rods inside the housing, and a driving mechanism for moving the image-forming lens set along the parallel guide rods between a first position and a sec... | 07/08/2008 |
| 7373082 | Light shielding structure of a zoom lens barrel A light shielding structure of a zoom lens barrel includes an outer ring, an intermediate ring and an inner ring which are concentrically arranged, the intermediate ring being movable relative to the outer ring and including at least one through-slot, the inner ring... | 05/13/2008 |
| 7372486 | Photographing apparatus and method of adjusting an image of a photographing object A photographing object image adjusting apparatus including a plurality of adjusting operation devices corresponding to a plurality of object image adjusting modes, respectively, and an object image adjusting device. Each of the plurality of adjusting operation devic... | 05/13/2008 |
| 7356252 | Auto-focusing zoom lens mechanism An auto-focusing zoom lens mechanism includes a base unit forming a space; an auto-focusing (AF) lens unit located in the base unit and having a trajectory bar engaged therewith; a zoom lens unit located in the base unit and mounted on the AF lens unit and having a ... | 04/08/2008 |
| 7355646 | Drive control apparatus for driving magnification-varying lens unit to wide-angle end or telephoto end when switching from AF mode to MF mode A drive control apparatus has a controller which operates in a first mode carrying out auto focusing control and a second mode not carrying out auto focusing control and carries out control so as to drive forcibly a magnification-varying lens unit to a wide-angle en... | 04/08/2008 |
| 7342650 | Electronic display and control device for a measuring device The invention relates to an electronic display and control device for a geodesic measuring device containing capturing means and representation means for detecting and reproducing a measuring range together with input means for controlling the measuring processes. T... | 03/11/2008 |
| 7336304 | Digital camera with zoom lens A zoom lens including front and rear elements, the front elements is set up so that the front elements are disposed at a position to satisfy the formula: T 1 ≥... | 02/26/2008 |
| 7319487 | Focusing apparatus, camera and focus position detecting method A focusing apparatus includes a filter unit for performing frequency filtering processing on an image pickup signal, and a focus position detecting unit for detecting a focus position based on the contrast value of the image pickup signal having undergone the freque... | 01/15/2008 |
| 7265913 | Movable lens control device A movable lens control device for controlling movements of movable lens groups including a first movable lens group and a second movable lens group, the movable lens control device including a lens driving device for moving the first and second movable lens groups i... | 09/04/2007 |
| 7250974 | Image pickup apparatus with improved auto focusing and method of autofocusing An image pickup apparatus for electronically photographing a still image using a photo-voltaic transducer device. The focusing position of a focusing lens is detected from the contrast of the photographed image as AF supplementary light is illuminated on the object.... | 07/31/2007 |
| 7227706 | Image-taking lens apparatus An image-taking lens apparatus has an image sensor for converting an optical image of a subject into an electrical signal and an image-taking lens system for forming the optical image on the image sensor. The image-taking lens system includes a prism for bending the... | 06/05/2007 |
| 7187857 | Lens control apparatus In a lens control apparatus for detecting a magnification lens position and a focus compensation lens and controlling a focus compensation position in zooming such that a focused position of the focus compensation lens with respect to a discrete magnification lens p... | 03/06/2007 |
| 7173772 | Lens barrel A guide bar used in a video lens barrel in the related art has problems of deterioration in supporting accuracy of the lens retaining frame, high manufacturing cost, and upsizing of the lens barrel. Also, in a cam pin type lens barrel, how the lens retaining frame i... | 02/06/2007 |
| 7161751 | Optical module and camera module An optical unit is disclosed which is capable of being easily assembled, enabling its optical element to smoothly move, and preventing friction loss from being generated around its nut member. A lens driving apparatus is provided for moving an optical element holder... | 01/09/2007 |
| 7142378 | Lens guide apparatus A lead screw is fittingly supported by a support member at one spot in a rotatable manner. A guide member is supported by the support member through press fitting of a one-end portion. The lead screw and the guide member are supported on one side in this manner, so ... | 11/28/2006 |
| 7116492 | Imaging apparatus A lens-controlling device controls a first lens unit which moves for zooming and a second lens unit which moves for correcting the displacement of an image plane caused by zooming and for focusing. The lens-controlling device includes a memory which stores data for ... | 10/03/2006 |
| 7099089 | Zoom lens control apparatus, zoom lens system, and image-taking system A control apparatus of a zoom lens is disclosed which automatically and accurately performs flange focal distance adjustment with a simple structure in a zoom lens of a rear focus type. The control apparatus comprises a memory which stores in-focus position data of ... | 08/29/2006 |
| 7099088 | Lens drive mechanism A lens drive mechanism includes a rotatable lead screw driven to rotate about an axis thereof, the axis extending parallel to an optical axis of a lens group; a non-rotatable guide shaft which extends parallel to the rotatable lead screw; a nut member made of synthe... | 08/29/2006 |
| 7054499 | Correction data generation method and imaging apparatus A correction data generation method generates correction data used to correct the focal plane position of a lens in consideration of symmetry of PSF (point spread function) in an optical system. The binarization step binarizes the intensity of the PSF using a predet... | 05/30/2006 |
| 7015401 | Image processing system with handwriting input function and the method for forming the same A digital system for mixing handwriting with an image is provided. The handwriting data is transmitted into the microprocessor of the image processing system, and then the microprocessor marks handwriting with a specific color and superimposes it on the image accord... | 03/21/2006 |
| 7006137 | Micro mode focusing apparatus for digital still camera using focus driving motor A micro mode executing apparatus of a digital still camera has an image sensor and a focus controlling lens connected to a focus driving motor and a spindle of the motor, thereby controlling an optical length within the range of a fixed barrel structure. The micro m... | 02/28/2006 |
| 7003222 | Camera, lens apparatus, and camera system A camera which maintains accuracy of stop position in accordance with the state of an image-taking optical system and allows driving of a focus lens to a target position in a short time period, is disclosed. The camera comprises a motor which drives the focusing len... | 02/21/2006 |
| 6993256 | Zoom and focus control method and system A focus lens and a zoom lens group having a first zoom lens and a second zoom lens are controlled separately from one another in an internal-focus camera. The positions of the focus lens and the second zoom lens in the zoom lens group are tracked, and are controlled... | 01/31/2006 |
| 6972797 | Automatic focusing device and the electronic image pickup apparatus using the same An auto-focusing device and an electronic image pickup apparatus facilitates realizing a high focusing accuracy and a quick focusing operation simultaneously using an inexpensive plastic lens mount. The auto-focusing device according includes a means for correcting ... | 12/06/2005 |
| 6954589 | Lens control apparatus, lens control method and camera A lens control apparatus with which a lens can be moved accurately to a target position is disclosed. The lens control apparatus comprises a position sensor that outputs a detection signal that changes periodically in accordance with a movement of the lens; a first ... | 10/11/2005 |
| 6950244 | Lens driving mechanism and image capture apparatus This prevents biting and miniaturizes an entire mechanism. There is provided a lens driver including: a driver having a frame that holds a lens and a bearing for receiving a guiding axis to move the lens in an optical axis direction, a lead screw in which a screw to... | 09/27/2005 |
| 6940658 | Step-zoom lens A step-zoom lens includes two movable lens groups; a lens group support unit; and a cam ring having a cam groove. The cam groove includes a finite number of focal-length steps, so as to perform a focusing operation between infinite and closest photographing position... | 09/06/2005 |
| 6937391 | Optical viewer instrument with photographing function In an optical viewer instrument with a photographing function, there is provided a telescopic lens system for observing objects, and a digital camera system including a solid-state image sensor and a photographing lens system associated with each other such that an ... | 08/30/2005 |
| 6909555 | Three dimensional imaging system Recent advances in surface techniques have lead to the development of extremely small (sub-micron) scale features. These techniques allow the formation of polymer micro-lenses as well as variable focus liquid lenses. The present invention primarily concerns the use ... | 06/21/2005 |
| 6906871 | Cam mechanism for lens barrel A cam mechanism for a lens barrel includes an annular member which is linearly guided along an optical axis, and having a cam follower on an outer peripheral surface; a cam ring having a cam groove on an inner peripheral surface including a photographing section and... | 06/14/2005 |
| 6867812 | Focus adjustment mechanism for a video or image pickup apparatus A rail groove is provided on an outer peripheral portion of a focus adjusting ring. A lens seat, supporting an image pickup lens, is attached to an escutcheon forming a main body. A plurality of engaging protrusions, provided on a front surface of the escutcheon aro... | 03/15/2005 |
| 6813441 | Lens drive system A lens drive system includes a lens frame having a lens element; a nut member secured to the lens frame, and which are both movable in an optical axis direction without rotating; a feed screw shaft having a male thread portion and a non-threaded portion, the male th... | 11/02/2004 |
| 6784937 | Lens assembly of digital camera with non-step focusing function The present invention discloses a lens assembly comprising an enclosure, annular rotating means, gear assembly, spring, leaf spring, cap, and lens. The enclosure has a housing and haft. The housing has a lower hole for supporting the image capture apparatus, and an ... | 08/31/2004 |
