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| Number | Title | Issue Date |
| 8126322 | Interchangeable lens, camera body, and camera system An interchangeable lens has a zoom lens, a zoom driver operable to drive the zoom lens along an optical axis, a focus lens, a focus driver operable to drive the focus lens along the optical axis, and a storage unit operable to store link information which links posi... | 02/28/2012 |
| 8027581 | Imaging apparatus, imaging apparatus control method, and computer program An imaging apparatus includes: a control unit configured to detect a focus position by moving a focusing lens before and after a preset position which is a focusing lens position set by a focus preset function, with the control unit setting a scan range which is a m... | 09/27/2011 |
| 7526191 | Zoom tracking method for digital camera A zoom tracking method for digital camera is disclosed. The method comprises storing a position table comprising data of several zoom position curves respect to positions of a focus lens and move the focus lens position by looking up said position table while moving... | 04/28/2009 |
| 7437065 | Imaging apparatus At least one exemplary embodiment is directed to an imaging apparatus which includes a rear-focus-type lens system configured to perform autofocusing on the basis of a video signal received from an image pickup device. The imaging apparatus can determine a distance ... | 10/14/2008 |
| 7388720 | 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 ... | 06/17/2008 |
| 7355634 | Moving image pickup apparatus carrying out automatic focus adjustment and still image recording method therefor A moving image pickup apparatus which is capable of attaining both enhanced focusing accuracy and increased chances of snapshooting. A predetermined time period is determined according to a designated image pickup period. Responsive to designation of still image rec... | 04/08/2008 |
| 7355649 | Image sensing apparatus cleaning operation and control method of said cleaning operation Image sensing apparatus having an image sensing element for sensing an object of shooting is provided. According to one aspect of the invention, when a cleaning mode is designated and executed to remove a foreign substance in the neighborhood of and on the image sen... | 04/08/2008 |
| 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 |
| 7295390 | Lens actuating device, camera module and portable electronic equipment Power from a focusing motor (14) is transmitted via a gear (35a) to a focusing lead screw (15) so that a first lens holder (4) is moved in a direction of an optical axis. Power from a zooming motor (10) is transmitted via a ... | 11/13/2007 |
| 7274830 | System for multi-sensor image fusion A method and system for fusing image data includes an electronic circuit (L) for synchronizing image frames. An adaptive lookup table unit (302a, 302b) receives the image frame data sets and applies correction factors to individual pixels... | 09/25/2007 |
| 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 |
| 7259924 | Microscope objective with axially adjustable correction mounts A microscope objective has axially adjustable correction mounts for adapting to different parameters influencing the imaging quality. The axial adjustment of the correction mounts relative to a stationary barrel is realized by an adjusting ring arranged on the outer... | 08/21/2007 |
| 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 |
| 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 |
| 7139612 | Multi-phasic microphotodiode retinal implant and adaptive imaging retinal stimulation system An artificial retina device and a retinal stimulation system and method for stimulating and modulating its function is disclosed. The artificial retina device includes multi-phasic microphotodiode subunits. In persons suffering from blindness due to outer retinal la... | 11/21/2006 |
| 7119968 | AF control apparatus An AF control apparatus includes a plurality of movable lens groups, each of which is movable along an optical axis for performing focusing independently, and a driving system for moving each of the movable lens groups. A moving path of each of the movable lens grou... | 10/10/2006 |
| 7102685 | Digital camera with changeable operation sequence A battery property judging circuit measures a voltage of battery before and while a zoom motor is operated respectively. A type of the battery is determined by a voltage change of the battery. A CPU selects either one of a normal operation sequence or a power-saving... | 09/05/2006 |
| 7092013 | InGaAs image intensifier camera An InGaAs Image Intensifier (“I2”) Camera (C) detects and forms an image (310) to be viewed. An InGaAs photocathode Image Intensifier (312) is used to pass an amplified signal (316) from a screen (320). The InGaAs image intensificatio... | 08/15/2006 |
| 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 |
| 7049828 | Capacitive sensor for determining linear or angular position A capacitive sensor includes an electrode member with two spaced-apart electrodes and an air gap therebetween. A position reference plate, which can be straight for sensing linear position or curvilinear for sensing angular position, is disposed in the air gap, with... | 05/23/2006 |
| 7027233 | Closed-loop focal positioning system and method A closed-loop focusing system and method positions a focusing assembly to a desired positioned. A feedback positioning device, such as a linear encoder, provides an actual or “read” value for the linear movement of the focusing assembly. The desired position is ... | 04/11/2006 |
| 7016122 | 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 ... | 03/21/2006 |
| 7006139 | Image pickup apparatus with focusing lens control device A lens control apparatus and an image pickup apparatus each of which, during a magnification varying operation in an inner focus type of lens system, predicts a destination position to be reached by a variator lens after a predetermined time period, calculates a spe... | 02/28/2006 |
| 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 |
| 6937777 | Image sensing apparatus, shading correction method, program, and storage medium This invention has as its object to eliminate sensitivity nonuniformity on the plane of an image sensing element irrespective of exchange of a lens. To achieve this object, in an image sensing apparatus which has an image sensing element and can exchange a lens, a m... | 08/30/2005 |
| 6930720 | Video camera system with interchangeable lens assembly A video camera system having a camera (128) and an interchangeable lens assembly (127) attachable to and detachable from the camera. A distance measurement frame is set by a distance measurement frame controller (129) on photographer's line-of-s... | 08/16/2005 |
| 6924941 | Optical apparatus An optical apparatus is disclosed which comprises an optical system provided with a zoom lens for performing zooming by moving along the optical axis and a focus lens for performing correction and focusing at the time of zooming, an imaging device for imaging an opt... | 08/02/2005 |
| 6853501 | Focusing method selectable zoom optical system A zoom optical system capable of selecting different focusing methods is disclosed. This zoom optical system includes a variable power unit that performs a variable power operation while moving during zooming; a first focusing unit positioned in front of the variabl... | 02/08/2005 |
| 6714731 | 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... | 03/30/2004 |
| 6574437 | Focus detection apparatus A focus detection apparatus includes a pupil dividing device for dividing an exit pupil of an objective lens into separate areas, a field mask located at a position substantially optically equivalent to an image forming position of the objective lens, a c... | 06/03/2003 |
| 6314240 | 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 magnifica... | 11/06/2001 |
| 6144805 | Optical apparatus for correcting focus detection caused by environmental variation An optical apparatus includes first and second lenses, first and second detection devices, and a control device. The first lens varies magnification, and the second lens, positioned on a focal-plane side of the first lens, corrects variation of an image f... | 11/07/2000 |
| 6088537 | Focus detecting device A focus detecting device of the kind using an area sensor which has a plurality of focus detecting areas necessitates setting a correction value for every one of the focus detecting areas and storing all the correction values thus obtained, whereas, accor... | 07/11/2000 |
| 6018631 | Camera having a varifocal lens A camera in which the ratio of an object to the photographing frame can be set comprises a varifocal lens in which the in-focus position is changed in accordance with the change in the focal lens and a focusing lens for correcting the focus by the varifoc... | 01/25/2000 |
| 5973855 | Zoom lens adjustment method A zoom lens adjustment method capable of being applied to zoom lenses for use in video cameras, electronic still cameras, or the like employing solid-state image sensors. An amount of integral movement δ1 by which a first lens group (G1) and a second len... | 10/26/1999 |
| 5956528 | Lens control apparatus A lens control apparatus which corrects a variation in a focus position due to a zooming operation by driving a compensator lens at a standard speed according to a predetermined cam locus is arranged to determine a correction direction on the basis of an ... | 09/21/1999 |
| 5943513 | Zooming method and apparatus for a camera Zooming systems consistent with the present invention are used with a camera having a zoom lens barrel which moves in at least two zoom directions. The zooming system comprises a switch for selecting a zooming operation of the camera. An encoder detects a... | 08/24/1999 |
| 5896174 | Control system for inhibiting a calculating system in an automatic focusing device An automatic focusing device has a rangefinder CCD sensor unit that measures a defocus amount with respect to the image of an object which is focused by an optical system. A focusing lens group of the optical system is driven into a focusing position base... | 04/20/1999 |
| 5845044 | Recording apparatus comprising a camera and a cassette which includes a separate memory for storing camera parameters Disclosed herein is an image recording apparatus for recording an image signal outputted from an image sensing device on a recording medium held in a cassette. The image recording apparatus comprises a reading device for reading information about control ... | 12/01/1998 |
