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| Number | Title | Issue Date |
| 8036522 | Method and system for auto-focusing Method and system for auto-focusing. The method includes checking for presence of a subject in a first frame. The method also includes determining a second frame indicative of an in-focus position of the subject if the presence of the subject is detected. The method... | 10/11/2011 |
| 7957633 | Focus adjusting apparatus and focus adjusting method There are provided a focus adjusting apparatus and method in which judgment of an object area to be focused can be favorably performed when the judgment of the object area to be focused is executed at the time of image-taking preparation operation. In the focus adju... | 06/07/2011 |
| 7885527 | Focusing apparatus and method A focusing apparatus and method are provided for a digital image processing apparatus. The focusing apparatus and method control an image sensor to read only pixels within a preset region of an image, calculate a focus value using only the read pixels, and apply the... | 02/08/2011 |
| 7860387 | Imaging apparatus and control method therefor By using a result of a detection of an object such as a face, stable focus adjustment of the object can be performed with accuracy. Even if an area that includes the object is not detected, if a tilt of an imaging apparatus is not changed, or a panning or a tilting ... | 12/28/2010 |
| 7809260 | Image capturing apparatus and method for controlling same The present invention further improves operability related to setting the position and size of a focus detection region. An image capturing apparatus of the invention is provided with an image sensor that photo-electrically converts an object image formed by an opti... | 10/05/2010 |
| 7764877 | Imaging apparatus, image display control method, and program In the present invention, there is provided an imaging apparatus including: a mode determiner configured to determine a mode that is set; an automatic focus detectable frame display controller configured to, if a predetermined mode is found set by the mode determine... | 07/27/2010 |
| 7561790 | Auto focus system The present invention provides an auto focus system capable of having an AF area which is a target range of auto focus (AF) automatically follow a follow-up target subject as a focusing target, wherein the system changes a size of a range for capturing an image of t... | 07/14/2009 |
| 7433586 | Camera with an auto-focus function A first area of a predetermined size is set as a focus area from which AF evaluation values are picked up in AF control when a focus mode is a normal one. When the focus mode changes to a macro mode, a second area narrower than the first area is set as the AF area. ... | 10/07/2008 |
| 7230410 | Accurate high-speed current sources Current source embodiments are provided which generate an output current pulse whose initial and terminal slew rates are enhanced with initial and terminal generators that respectively provide an initial current pulse at initiation of the command signal and a termin... | 06/12/2007 |
| 7173279 | Semiconductor display device To provide a semiconductor display device capable of displaying an image having clarity and a desired color, even when the speed of deterioration of an EL layer is influenced by its environment. Display pixels and sensor pixels of an EL display each have an EL eleme... | 02/06/2007 |
| 7136581 | Image taking apparatus and program product AF is started in response to the depression of a shutter button 61 by the user, and a plurality of images are obtained in succession with a time interval while a first image and a second image are obtained in this order with a time interval by a CCD 11... | 11/14/2006 |
| 7099574 | Distance measuring apparatus Correlation value calculation is carried out while a pair of window ranges being shifted using uncorrected AF data, and a pair of window ranges providing the highest correlation value is determined. Then, the difference between the smallest values in the respective ... | 08/29/2006 |
| 7054550 | Rangefinder apparatus A rangefinder apparatus includes an effective minimum value certifying unit for comparing a minimum value, exhibiting the smallest value in correlation values calculated for the each rangefinding area, with a reference value for a degree of correlation and certifyin... | 05/30/2006 |
| 6957016 | Camera apparatus and method including blur detection feature Camera having a sensor for outputting subject image data to perform distance measuring or focusing of the camera, wherein in the event that a comparison is made between subject image data output from the sensor at predetermined intervals, and detection of blurring i... | 10/18/2005 |
| 6812968 | Camera with configurable focus area An imaging device having a configurable focus area comprising: (a) an imaging system for generating a video signal of an image within a field of view, wherein the imaging system is adapted to adjust the focal point of the image according to an adjustment signal; and... | 11/02/2004 |
| 6718133 | Measuring distance device This invention constitutes a measuring distance device including a sensor array which detects image signals of an object in a finder screen, a projection unit which projects a signal light on the object, a selection unit which selects a detection area for the image ... | 04/06/2004 |
| 6549729 | Camera that operates in accordance with the speed requirements of the photographer A camera senses the speed with which the photographer actuates the shutter release. This speed is interpreted as a measure of the urgency of the photograph. The camera modifies its operation in accordance with the urgency measure to give appropriate prior... | 04/15/2003 |
| 6442345 | Distance-measuring device and distance-measuring method The present invention comprises a first distance-measuring mode in which a subject distance is measured on the basis of a subject image signal produced by at least a pair of light-receiving elements receiving the light from subjects, a second distance-mea... | 08/27/2002 |
| 6157783 | Automatic focus detecting device An automatic focus adjusting device adapted to detect focus information of an objective lens on the basis of two images of a subject, comprises a photosensor having a number of pixels on which the two images are formed, a focus detecting area setup device... | 12/05/2000 |
| 6122450 | Distance measuring apparatus There is provided a distance measuring apparatus in a lens-shutter type camera provided with a photographic lens, a focal length of the photographic lens being variable. The distance measuring device includes: a pair of image forming lenses each forming a... | 09/19/2000 |
| 6088536 | Distance measuring apparatus There is provided a distance measuring apparatus in a lens-shutter type camera provided with a photographic lens, a focal length of the photographic lens being variable. The distance measuring device includes: a pair of image forming lenses each forming a... | 07/11/2000 |
| 5923910 | Distance measuring apparatus A distance measuring apparatus in a lens-shutter type camera is provided with a photographic lens having variable focal length. The device includes a pair of image forming lenses each forming a subject image, a pair of line sensors on which the subject im... | 07/13/1999 |
| 5774276 | Zoom lens system In a zoom lens system in which the movement locus of a focusing lens unit is defined by synthesizing a focus cam and a zoom compensation cam, and the sensitivity of movement of an image point in association with the movement, in the direction of the optic... | 06/30/1998 |
| 5765054 | Focal detection and adjutment device and method The invention eliminates field mask eclipse related to a focal detection apparatus that uses a phase variation detection method, and provides an adjustment device and method for the focal detection apparatus. The focal detection apparatus includes a field... | 06/09/1998 |
| 5748387 | Zoom lens system There is provided a zoom lens of an inner focusing system which is capable of an auto-focusing operation and a manual focusing operation with a high precision. A zoom lens system in which a movement locus of a focusing lens unit is defined by synthesizing... | 05/05/1998 |
| 5694168 | Auto focus control device and method including selecting a zone for detecting an evaluative value for focusing in accordance with photographing direction A zone for measuring distance is enlarged by adding an area where a contrast ratio is relatively high in the case of the photographing against the light. Thus, the sensitivity for judging a contrast ratio is increased and improper focusing is prevented. T... | 12/02/1997 |
| 5659812 | Focus detection device and method An optimum focus detection algorithm range is established in the focus detection area corresponding to the subject pattern. The method includes establishing a first region on the photoelectric conversion array; computing the contrast of the subject image ... | 08/19/1997 |
| 5659816 | Focus detection device and method A focus detection device includes a pair of photoelectric converting element arrays that output a pair of signal strings and a focus detection optical system, including a photo lens, that conducts a pair of light rays from a subject to the pair of photoel... | 08/19/1997 |
| 5649240 | Camera having a device for setting plural modes of camera operation with a single operating member A camera having a device for setting plural modes of camera operation with a single operating member. The camera operates in various modes of operation, including a first focus detection region mode in which focus detection of a photographic lens is perfo... | 07/15/1997 |
| 5113215 | Image position detecting device An image position detecting device for detecting relative positions of images of an object on a pair of image sensors. A pair of image data groups are derived from the pair of image sensors. The image position detecting device includes window-size designa... | 05/12/1992 |
| 4952963 | Focus detection apparatus for camera A focus detection apparatus including an image signal storage type sensor having a plurality of pixels and a storage time control circuit for controlling an intensity level of the sensor, wherein the storage time of an image signal in the sensor is contro... | 08/28/1990 |
| 4494847 | Distance measuring system In the disclosed distance measuring system, a light measuring circuit measures light reflected from an object whose distance is to be measured. An output arrangement responds to the light measuring circuit by producing an output in the form of a signal re... | 01/22/1985 |
| 4483602 | Apparatus for detecting a focusing condition of an objective lens In a single-lens reflex camera having an objective lens, a focusing screen and a view finder, a photodetector array is arranged to receive a central part of an object image formed by the objective lens and a focusing condition of the objective lens is det... | 11/20/1984 |
| 4279484 | Apparatus for measuring a range to a subject An apparatus for measuring a range to a subject comprising a first optical system for forming a first stationary image of the subject on a first photosensitive element such as a photosensor array, a second optical system for forming a second image of the ... | 07/21/1981 |
