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| Number | Title | Issue Date |
| 7593631 | Camera having focusing device In a camera having a focusing device, the direction of moving a focus lens included in a photographing lens is varied depending on the defocus state with reference to a specific position (e.g., reverse point) of the focus lens. For example, a camera having a defocus... | 09/22/2009 |
| 7412159 | Image pickup apparatus and defocus amount correction value calculation method An image pickup apparatus, in which a light is projected toward a physical object by projection means, and based on the reflected light by the physical object of the light, a defocus amount is detected (steps S2003 to S2008) by the first focus detectio... | 08/12/2008 |
| 7391463 | Image sensing apparatus having distance measuring unit and control method thereof An image sensing apparatus includes an image sensing element to form an object image which enters via a photographing optical system, a distance measuring unit to measure distances to at least first and second points within a photographing frame using an optical pat... | 06/24/2008 |
| 7349564 | Imaging internal structures An apparatus, method and software module for selecting phase-correlated images from the output of a scanner such as a cone beam CT scanner operates by collapsing the images derived from the series from two dimensions to one dimension by summing the intensities of pi... | 03/25/2008 |
| 7283253 | Multi-axis integration system and method An image acquisition system and method employing multi-axis integration (MAI) may incorporate both optical axis integration (OAI) and time-delay integration (TDI) techniques. Disclosed MAI systems and methods may integrate image data in the z direction as the data a... | 10/16/2007 |
| 7262804 | Autofocus camera adjusting focus lens position based on illumination characteristics A CPU calculates integrating values of image-capturing signals in a band 1 obtained by removing through a band pass filter a low frequency component of image-capturing signal output from an image-capturing device and integrating values of the image-capturing ... | 08/28/2007 |
| 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 |
| 7193651 | Camera system, lens apparatus and camera A camera system has a camera with a photosensitive member that records optical images; and a lens apparatus removably mounted on the camera and forming an optical image with an image taking optical system including a focus lens. Focus control of the focus lens is ch... | 03/20/2007 |
| 7114862 | Single focus lens module A single focus lens module includes a mechanical shutter taking lens assembly and there are front lens shutter module, taking lens and holder from the object side to the image side. The taking lens is connected to the holder by threading. The front taking lens assem... | 10/03/2006 |
| 7116502 | Optical apparatus An optical apparatus is disclosed which can control a position of a driven member with precision using a simple control algorithm. The optical apparatus includes an actuator, a driven member, a transmission mechanism for transmitting a driving force from the actuato... | 10/03/2006 |
| 7084894 | Optical disc drive focusing apparatus An optical focusing system is configured to generate a data profile, wherein the data profile is configured to provide signals for operation of an actuator. Application of the signals from the data profile results in focus of optics within a label region of an optic... | 08/01/2006 |
| 7075513 | Zooming and panning content on a display screen A method and system for manipulating content displayed on a display screen is disclosed. A data processing device has two attached user input controls, such as touch pads, joysticks, and the like. One of the controls may be used for panning (i.e. scrolling up and do... | 07/11/2006 |
| 7054466 | Orientation determination An improved orientation system includes a lens pre-distorting an image generated by imaging apparatus such that a non-linearity, the degree of which is dependent on the off-axis distance of an imaged object, is generated so as to increase the strength of a signal in... | 05/30/2006 |
| 7035021 | Lens apparatus A selection device which permits or prohibits serial communication is provided in a lens apparatus capable of performing serial communication to suppress the serial communication although a camera body can perform the serial communication. Thus, a safe operation of ... | 04/25/2006 |
| 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 |
| 6882369 | Electronic still camera with capability to perform optimal focus detection according to selected mode An electronic still camera includes a finder optical system for viewing a subject image. An imaging section obtains the subject image. A display section displays the subject image based on image data associated with the subject image obtained by the imaging section.... | 04/19/2005 |
| 6822686 | Lens control apparatus A lens control apparatus for controlling the position of a focusing lens includes a rotary operation member, a detector, having a rotary encoder coupled with the rotary operation member, which detects the amount of rotation per unit time of the rotary operation memb... | 11/23/2004 |
| 6813442 | Autofocus system and camera system In a lens-interchangeable digital single-lens reflex camera having a focus detection device, an autofocus device corrects a focus detection result by storing, on the camera side, the detection result obtained by a focus detection means and the deviation of the best ... | 11/02/2004 |
| 6097897 | Camera A camera of this invention includes a photographing optical system, an imaging means, an optical path splitting means, a lens shutter, a focus detecting means, and a correcting means. The imaging means senses an optical image, formed by a light beam passi... | 08/01/2000 |
| 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 |
| 5880890 | Optical system having a focal point detection device An optical system has a focal point detection device which is suitable for telephotography and is applicable to lenses having different image screen sizes. The optical system includes a photograph section which forms an image of an object, a driving devic... | 03/09/1999 |
| 5854948 | Photographic lens focusing system and method which compensates for size of aperture A focus setting system for a camera in which a photographer can observe a focused subject image in a viewfinder and which corrects the focus prior to exposure such that a photographed picture is in focus. Specifically, the focusing system corrects for err... | 12/29/1998 |
| 5838374 | Autofocus video camera that can compensate for variation in the amount of load on a mobile unit of a linear motor in a focus operation A calculation circuit compares a current focus evaluation value provided from a focus evaluation value generation circuit, with a focus evaluation value, of one preceding field stored in a memory, to determine whether a CCD is in-focus or not. The calcula... | 11/17/1998 |
| 5745804 | Automatic focus device An automatic focus device capable of optimum focus lens driving control corresponding to the magnitude of the positional error of the focus lens. The automatic focus device specifies the target position of the focus lens based on information relating to t... | 04/28/1998 |
| 5717965 | Photometry device and camera with photometry device A device has a photometry unit for performing a photometry operation of an object field using an accumulation type photometry element, and an accumulation time determination unit for determining the accumulation time of the photometry element. The accumul... | 02/10/1998 |
| 5698841 | Optical apparatus having a focus detecting device with decentration position detection An optical apparatus provided with a light receiving device for receiving light distributions from light beams passed through different portions of a pupil of a main imaging lens, a focus state detecting device for detecting the focus state of the main im... | 12/16/1997 |
| 5630180 | Camera system An interchangeable lens camera including an interchangeable lens having a photographic optical system, a lens mount to mount the interchangeable lens, a lens side communication terminal to communicate, a storage circuit to store lens data representing an ... | 05/13/1997 |
| 5347340 | Camera having a focus detection device and interchangeable lens A focus detection device for a camera which corrects the focal point position of an interchangeable camera lens. The focal point position is corrected according to data indicating interchangeable lens characteristics, and according to data indicating char... | 09/13/1994 |
| 5231443 | Automatic ranging and automatic focusing A method based on image defocus information is disclosed for determining distance (or ranging) of objects from a camera system and autofocusing of camera systems. The method uses signal processing techniques. The present invention includes a camera charac... | 07/27/1993 |
| 5179407 | Automatic focusing device An automatic focus device for a camera which comprises a phototaking lens for forming the image of an object on a predetermined plane, a focus detection device for detecting the amount of defocus of the image plane of the phototaking lens with respect to ... | 01/12/1993 |
| 5148209 | Passive ranging and rapid autofocusing Apparatus and methods based on signal processing techniques are disclosed for determining the distance of an object from a camera, rapid autofocusing of a camera, and obtaining focused pictures from blurred pictures produced by a camera. The apparatus of ... | 09/15/1992 |
| 5146261 | Automatic focusing camera An automatic focusing camera including a control mechanism by which one of a plurality of automatic focusing modes is automatically selected in accordance with a photographing mode. The view finder of the camera is provided with a plurality of distance me... | 09/08/1992 |
| 5122826 | Focusing control apparatus with aberration compensation A focusing control apparatus comprises a focusing information detector for detecting focusing control information regarding a focusing lens and an auxiliary lens set position detector for detecting a set position of an auxiliary lens such as a soft focus ... | 06/16/1992 |
| 4952962 | Automatic focusing device Disclosed herein is an automatic focusing device high in focusing accuracy, in which an amount of drive for driving a focusing lens to a position focused on an object can be renewed during the focusing lens moving to the focused position. Further, the aut... | 08/28/1990 |
| 4945376 | Camera having interchangeable lenses A camera and interchangeable lenses for such camera in which it is automatically detected whether or not the lens mounted on the camera has an automatic focusing capability. If it does, respective sets of electrical contacts provided on the lens and camer... | 07/31/1990 |
| 4931820 | Auto-focus camera An auto-focus camera detects a focal offset, which is converted into a lens drive value utilizing data stored in lens ROM or the like which is specific to a particular taking lens. When the specific data represents a lens drive value which is stored in a ... | 06/05/1990 |
| 4912493 | Camera system An interchangeable lens for a camera having a focus detecting device includes a memory having a plurality of memory areas. Each of the memory areas stores different correction values for correcting the focus condition of the lens for aberrations. Setting ... | 03/27/1990 |
| 4912494 | Camera system A camera system has an interchangeable lens releasably attached to a camera body, an information processing portion provided in the camera body, and another information processing portion provided in the interchangeable lens. The information processing po... | 03/27/1990 |
| 4901101 | Automatic focus control device for use in a camera system In an automatic focus detection device for use in a camera, a focus condition detecting unit detects a focus condition of a photographic lens in a camera based on the output of a light receiving device and calculates the amount of defocus of the photograp... | 02/13/1990 |
| 4890133 | Autofocus camera In an autofocus camera, at least one lens of a photographing lens system serves as a focus lens which is reciprocatively moved by a drive unit along a predetermined optical path. A detector detects a position of the focus lens in the lens system. On the b... | 12/26/1989 |
