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Document Title |
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7633693 |
Retractable lens and slidable lens retracting device thereof
A slidable lens retracting device is provided for retracting a lens system that include lens group units all positioned on a common optical axis when the lens system is in an operational state. At...
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7634188 |
Method and apparatus for calculating a focus metric
A method comprises receiving a focusing image and shifting the focusing image to obtain a shifted focusing image. In the method, a focus metric of the focusing image is calculated from the focusing...
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7626631 |
Focus control method and focus control apparatus
In a focus control method of acquiring focus information a plurality of times while moving a focus lens, and determining an in-focus position on the basis of the acquired focus information, whether...
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7619832 |
Imaging apparatus
An imaging apparatus, configured to form an image on an image pickup element, includes, in an order from an object side toward an image side, a first optical unit having a negative refractive...
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7615729 |
Apparatus and method for resonant lens focusing
A method and apparatus for focusing an image on a pixel array. The method includes the steps of continuously changing the distance between a lens and a pixel array between a first distance and a...
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7616877 |
Method and apparatus for controlling a lens, and camera module incorporating same
An efficient image capture system is disclosed that integrates functions to control a lens including one or more of focus or object distance, zoom, temperature compensation, and stabilization...
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7609317 |
Electronic camera and automatic focusing method for generating a light exposure control signal according to a central timing
The present invention provides an electronic camera adapted to perform an accurate auto focus control operation at high speed. The electronic camera comprises a wobbling control section for...
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7603030 |
Optical apparatus for correcting the movement of a focusing lens in accordance with a change in focal length
An optical apparatus includes a zoom optical system including a focusing lens unit, a first cam member that rotates around the optical axis and moves along the optical axis in a...
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7590339 |
Digital camera including manual and automatic drive of photographing system
A digital camera is provided with a photographing lens, an image capturing element, which is configured to capture an optical image of an object formed by the photographing lens, a coarse movement...
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7589781 |
Automatic focus for image sensors
The embodiments of the invention relate to automatic focusing methods and apparatus suitable for use in digital imaging devices. The proposed methods and apparatus evaluate the focus condition of...
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7583311 |
Automatic focusing device and focusing method
In an automatic focusing device generating a luminance signal by scanning a picked-up digital image signal, evaluating the contrast of the luminance signal, and driving its focusing based on the...
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7577352 |
Mobile communication device
A mobile communication device includes a first part and a second part. The first part has a camera module mounted therein, which includes a lens-barrel and a focusing mechanism engaged with the...
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7570879 |
Image sensing apparatus, control method therefor, and automatic focus adjusting device for image sensing apparatus
This invention provides a technique of stably focusing on a major object without any sense of discomfort regardless of differences in lens unit type in a camera body on which a lens unit can be...
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7557854 |
Auto-focus system using bubble technology
A system and method for auto-focusing light. The system includes at least one focusing lens operable to direct light toward a focal point. The system further includes a sensor array disposed...
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7555210 |
Axial snubbers for camera
A method and system for limiting the motion of items, such as camera optics, are disclosed. A motion limiting member can be used to limit the motion of the item using a surface thereof that abuts a...
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7551847 |
Image pickup apparatus and method and program
When focus is to be achieved in manual focus, accurate and quick focus is attained when switched from a telemacro mode to a normal mode. An image pickup apparatus includes: a shooting mode...
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7546030 |
Autofocus device and method
Autofocus device has a lens-driving unit that drives a lens and a focal-point-position-detecting unit that detects a position of a focal point of the lens. The device also has a distance-measuring...
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7539406 |
Camera, lens driving method, and lens driving program
A camera is provided with a first stepping motor configured to move a zoom lens, second stepping motor configured to move a focus lens, first determination section configured to determine timings...
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7539405 |
Image pickup apparatus with autofocus function
An image pickup apparatus comprises a setting unit which arbitrarily sets different auto focus search ranges, a selection unit which selects a desired auto focus search range from said different...
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7536093 |
Camera which incorporates a lens unit that can program an optical property and a corresponding method
A group of optical elements of a zoom lens unit has variable-focal-length lenses whose optical properties can be adjusted. A camera having this zoom lens unit incorporated therein includes a...
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7511758 |
Optical apparatus and camera system
There are provided an optical apparatus and a camera system in which preset image-taking is possible without performing focusing adjustment for objects, even during image-taking of the objects at...
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7499637 |
Cam mechanism of a zoom lens
A cam mechanism of a zoom lens which includes a front optical element and a rear optical element positioned behind the front optical element in an optical axis direction, the front optical element...
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7492525 |
Zoom lens, camera apparatus and portable information terminal apparatus
A zoom lens having five lens groups arranged in succession. The zoom lens is configured such that when zooming from a short focal length end toward a long focal length end, the second lens group...
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7493031 |
Automatic focusing module
An automatic focusing module ( 100 ) includes a lens barrel ( 10 ), a first lens ( 11 ), a piezoelectric element ( 14 ), and a deformably adjustable lens ( 13 ). The first lens is disposed in the...
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7493033 |
Image pickup device and method, and program
An image pickup device having an auto-focus feature of adjusting a focus lens to focus on a picked-up image of an object, a zoom feature of changing a focus distance, and a telemacro-mode shooting...
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7480451 |
Combined actuator for camera shutter and focus functions
The combined actuator described can be incorporated into a miniaturized camera product. In the camera product, the shutter driver uses the focus or zoom actuator's power amplifiers to control the...
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7450837 |
Zoom optical system, imaging lens device, and digital apparatus
A zoom optical system has lens groups, and performs zooming by varying distances between the respective lens groups in an optical axis direction thereof. The zoom optical system has two or more...
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7446810 |
Image capturing apparatus and an image capturing method
An image capturing apparatus includes an image capturing unit for capturing an image of an object; a focal length storing unit for storing a focal length of the object which is outside of an image...
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7447426 |
Optical apparatus and lens control method
An optical apparatus is disclosed, which is capable of suppressing an image blur at the start of zooming. The optical apparatus comprises a memory storing data indicating the position of a second...
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7444073 |
Digital camera module with auto-focusing function
A digital camera module ( 100 ) with an auto-focusing function is adapted for use in a foldable electronic device. The digital camera module includes a lens mount ( 10 ), a lens barrel ( 20 ), a...
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7436607 |
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...
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7430368 |
Zoom lens assembly capable of macro photography
A zoom lens assembly includes an optical system forming an optical axis and having at least one lens group, a base member ( 1 ), a macro ring member ( 2 ) rotatably engaged with the base member for...
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7423822 |
Lens barrel and optical apparatus
The present invention is directed to a lens barrel that is simplified in structure with the reduced number of components and is facilitated in assembly and associated adjustment. The lens barrel...
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7424215 |
Lens device and imaging device using the same
A lens frame holding a taking lens is movably connected to a driving shaft via a connector. A guide member is disposed at a lower portion of the lens frame so as to separate from the connector by...
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7418200 |
Optical unit and imaging device
A collapsible type optical unit is described that is capable of moving its optical system between a working position and a retracted position as well as an image-pickup apparatus including the...
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7412160 |
Image pickup apparatus and lens barrel
An image pickup apparatus includes a lens barrel, a lens holding frame made movable in an optical axis direction inside the lens barrel, a movable lens held in the lens holding frame, a yoke...
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7412157 |
Lens driving device
A lens driving device includes a substrate which generates surface acoustic waves on its surface and a movable unit which is coupled to an optical lens and executes translation above the substrate...
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7411729 |
Optical filter, method of manufacturing optical filter, optical system, and imaging apparatus
An optical system includes a plurality of optical elements having finite refractive power and an electronic imaging device disposed at an image side of the optical system. At least one of the...
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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....
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7372637 |
Focusing unit and optical device
A focusing mechanism allowing a user to adjust the focus from infinity to a close distance rapidly and precisely, and an optical device utilizing such a focusing mechanism. The focusing unit...
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7362967 |
Digital camera and manual focus method thereof
A digital camera and a method for manually focusing the digital camera are disclosed. The digital camera includes an image sensing unit, a buffer memory unit, an image processing unit, and an image...
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7359631 |
Lens driving device, imaging device using the same, and small-sized electronics device using the same
An imaging device moves a taking lens in an optical-axis direction by a hollow stepping motor of a claw-pole type comprising a disk-shaped hollow magnet and stators. The magnet is disposed in a...
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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...
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7356251 |
Assembly-stage focus adjustment mechanism of a zoom lens
An assembly-stage focus adjustment mechanism of a zoom lens barrel including a plurality of lens groups which are moved while distances therebetween are changed to perform a zooming operation, the...
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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...
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7352962 |
Lens barrel apparatus for camera
An apparatus for a camera with a lens barrel and a barrel driving unit. The apparatus includes an eye-shaped lens barrel, a vertical driving unit, a horizontal driving unit, a rotation-position...
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7345836 |
Zoom lens driving apparatus
A zoom lens driving apparatus achieves the object of driving multiple lens groups by a single motor and low production cost. When a first lens group, which includes a first lens, moves along guide...
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7342606 |
Zoom lens system for camera
A zoom lens system includes a zoom base to which an image pickup device can be coupled, a driving source for generating rotational force in accordance with a control signal of a control unit...
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7321471 |
Lens barrel and lens system
The invention is directed to a lens barrel and a compact lens system incorporating the lens barrel where notches defined in a cam barrel to serve as bolt holes and disengage the studs are reduced...
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7310476 |
Imaging apparatus
An imaging apparatus is provided which performs optimum zooming and focusing even after long use. The imaging apparatus includes: a lens which is movable along the optical axis; a driving module to...
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