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| Application No. | Application Title | Issue Date |
| 20120026605 | LENS APPARATUS A lens apparatus that is switchable between a first and a second modes, including: a control master determination unit for determining the lens apparatus as one of a master and a slave for each target to be controlled of the lens apparatus when the lens apparatus is ope... | 02/02/2012 |
| 20110267706 | LENS APPARATUS Provided is a lens apparatus including: an image pickup optical system including a focus lens and a zoom lens; a focus detector for detecting a focus state of the image pickup optical system; a defocus amount calculation unit for calculating a defocus amount based on a ... | 11/03/2011 |
| 20110243539 | AUTOFOCUSING ZOOM LENS In an autofocusing zoom lens, a depth of focus ε is obtained based on an aperture value Fno of a variable diaphragm and a diameter of a permissible circle of confusion δ. A focal position variation amount Δsk for a predetermined positional displacement amount ΔFp... | 10/06/2011 |
| 20110127697 | METHOD AND APPARATUS FOR CONTROLLING THE SIZE OF A LASER BEAM FOCAL SPOT A method and apparatus is described that allows the width of fine line structures ablated or cured by a focussed laser beam on the surface of flat substrates to be dynamically changed while the beam is in motion over the substrate surface while simultaneously maintainin... | 06/02/2011 |
| 20110069217 | IMAGE PICKUP APPARATUS HAVING AUTOFOCUS FUNCTION, AND LENS UNIT An image pickup apparatus includes a magnification information acquisition unit configured to acquire information on an image pickup magnification of an image pickup optical system, and a controller configured to select a first focus control that stops a focus control a... | 03/24/2011 |
| 20110013289 | DRIVER A driver includes: a first member that holds a lens; a second member to which the first member is fixed; and drive means for driving the second member, wherein a portion in which at least part of the drive means is accommodated is provided in the side surface of the sec... | 01/20/2011 |
| 20100245829 | System and method for compensating instability in an autofocus system An autofocus system and method designed to account for instabilities in the system, e.g. due to instabilities of system components (e.g. vibrating mirrors, optics, etc) and/or environmental effects such as refractive index changes of air due to temperature, atmospheric ... | 09/30/2010 |
| 20100226634 | LENS APPARATUS AND CAMERA SYSTEM A lens apparatus comprises a barrel 100 which houses an imaging optical system including magnification-varying lens units 26 and 27, a focus lens unit 25, and a beam separation element 29 which separates a part of a light beam from an ... | 09/09/2010 |
| 20100085649 | Optical objective module The invention relates to an objective module comprising an optical zoom lens group (2) and a focusing optical lens group (4), the combined optical axes forming the optical axis (7) of the objective, and an electrical drive for the two lens groups. A... | 04/08/2010 |
| 20100067121 | FOCUS LENS APPARATUS Provided is a zoom lens including: a focus lens unit which moves during focusing; and a magnification-varying lens unit which moves during zooming, in which when the magnification-varying lens unit is moved in a direction in which a depth of focus deepens, a focus opera... | 03/18/2010 |
| 20100053768 | LENS BARREL AND IMAGING DEVICE An interchangeable lens unit includes a second lens group unit, a focus lens unit, a fourth lens group unit, a zoom ring unit, a focus motor, and a photosensor. The zoom ring unit is arranged to mechanically transmit operational force inputted to a zoom ring to the seco... | 03/04/2010 |
| 20090323201 | Zoom Lens Assembly with Travel Sensor Zoom lens assembly formed of a number of lens groups on a track. The lens groups can be moved on the track to form different lens effects such as zoom. The devices sense an end of travel in one direction using a hardware device. All the positions are relative to that en... | 12/31/2009 |
| 20090279187 | Optical zoom system with voice coil motors An optical zoom system uses voice coil motors to drive zoom lens sets moving along an optical axis for the control of forming image and focusing. Voice coil motors of the system move respectively two zoom lens sets to the first position and the second position on the op... | 11/12/2009 |
| 20090268310 | LENS DRIVING APPARATUS, IMAGING APPARATUS, AND LENS BARREL AND CAMERA MAIN BODY USED FOR THIS A lens position calculator is provided that determines a phase of a driving signal as a reference position of an imaging lens when an output value of a position detection sensor reaches a threshold value. The lens position calculator determines a position obtained by pe... | 10/29/2009 |
| 20090268309 | CAMERA MODULE A camera module includes a zoom lens group, a focus lens group, a barrel, an actuator group comprising a first actuator and a second actuator. The first and second actuators are received in the barrel, and respectively receive the zoom lens group and the focus lens grou... | 10/29/2009 |
| 20090244325 | Camera system, Camera body, Interchangeable lens unit, Focus control method, and Program A camera system that can maintain a good focus state regardless of the speed of zooming during variable proportion zooming is provided. The camera system has a control portion that, based on information on the speed of the change in the focal length, determines whether ... | 10/01/2009 |
| 20090231729 | LENS APPARATUS A lens apparatus including an optical element includes a motor configured to drive the optical element; a position detector configured to detect a relative position of the optical element; and a controller configured to detect an origin of the optical element by returni... | 09/17/2009 |
| 20090128926 | SYSTEMS AND METHODS FOR MOVING A LENS USING SHAPE MEMORY MATERIALS An imaging apparatus comprises an image pickup and a lens. A shape memory actuator is coupled to the lens and configured to move the lens relative to the image pickup.... | 05/21/2009 |
| 20090086336 | VARIABLE FOCAL LENS AND IMAGING APPARATUS A variable focal lens which does not require a reduction of a zoom factor and eliminates an origin sensor is provided. A microcomputer 15 functions as a focus adjustment section which controls a stepper motor 13 to move a focusing ring 5 for a focus... | 04/02/2009 |
| 20090046376 | Auto-focus and zoom module with vibrational actuator and position sensing method Systems for positioning a functional element, such as an optical lens, include a housing, a primary guide pin coupled to the housing, a functional group that includes the functional element, and a vibrational actuator assembly. The functional group is movably coupled wi... | 02/19/2009 |
| 20080192363 | Camera Module and Portable Terminal Employing the Same A camera module in which a lens holder holding one or more optical lenses is movable in the direction of the optical axis and in which an auto-focus function and a zoom function are incorporated is reduced in size and weight. A bearing section is formed in the lens hold... | 08/14/2008 |
| 20080158692 | LENS BARREL AND OPTICAL APPARATUS A lens barrel includes: first and second movable lens units; first and second drive sources for moving the first and second movable lens units in a direction parallel to an optical axis, respectively; guide members for each retaining the first and second movable lens un... | 07/03/2008 |
| 20080137215 | LENS APPARATUS AND IMAGE-PICKUP APPARATUS Provided is a lens apparatus mounted to a camera including an image-pickup element, including: a focus lens means movable in an optical axis direction for focusing; a zoom lens unit; a zoom detector for detecting a zoom value of the zoom lens unit; an aperture-stop devi... | 06/12/2008 |
| 20080130134 | Voice Coil Motor Control Device and Method of Driving the Same, Image Pickup Device The present invention provides a control device capable of improving hysteresis characteristics of a voice coil motor (31) and attaining a suitable lens position without complicating the structure of the control device. As solving means of the invention, a voice ... | 06/05/2008 |
| 20080068728 | Auto-focus and zoom module with vibrational actuator and position sensing method Systems for positioning a functional element, such as an optical lens, include a housing, a primary guide pin coupled to the housing, a functional group that includes the functional element, and a vibrational actuator assembly. The functional group is movably coupled wi... | 03/20/2008 |
| 20080024879 | LENS MODULE A lens module including a guide rod set, a first lens barrel movably disposed on the guide rod set, at least one first lens disposed inside the first lens barrel, a first optical grating connected to the first lens barrel, a first position sensor, and a first voice coil... | 01/31/2008 |
| 20070251342 | Power Transmission Method and Device Having Load Sensing Thrust Augmentation Mechanism An inexpensive and high efficiency power transmission method and device with a simple structure for converting a rotational motion into a linear motion in accordance with a load is provided. A feed screw (21) and a female screw (22) having a larger diamete... | 11/01/2007 |
| 20070211351 | Apparatus and method for performing offset compensation, and computer-readable recording medium for performing the offset compensation An apparatus and method for performing offset compensation, and a computer-readable recording medium for performing the offset compensation are disclosed. The offset compensation apparatus for use in an optical zoom lens system includes: a lens unit including a zoom len... | 09/13/2007 |
| 20070195428 | CAMERA UNIT AND CAMERA UNIT CONTROLLING METHOD Electrode substrates, a movable element which can freely move reciprocally by being guided by the electrode substrates, and in which electrodes are formed on a pair of surfaces thereof facing one another, and which has a lens, an image pickup element imaging an image wh... | 08/23/2007 |
| 20070188889 | AUTO-FOCUSING CAMERA MODULE AND AUTO-FOCUSING LENS MODULE An auto-focusing camera module (100) includes a base (110), a first lens barrel (120) mounted on the base, a second lens barrel (130) threadedly engaged with the first lens barrel, a first lens (140) arranged in the second lens barrel,... | 08/16/2007 |
| 20060268429 | SUSPENSION APPARATUS FOR AUTO-FOCUS LENS DEVICE AND A METHOD FOR FABRICATING THE SAME A suspension apparatus comprises a lens holder, a suspension spring and a supporting base. The supporting base is formed with an opening for accommodating the lens holder. The lens holder is for positioning a lens unit. The suspension spring is manufactured by stamping ... | 11/30/2006 |
| 20060245080 | ELECTRONIC IMAGING DEVICE An electronic imaging device is provided which includes a first lens group which takes in a luminous flux from a subject along a first optical axis, an optical axis conversion member which bends the luminous flux along a second optical axis which intersects with the fir... | 11/02/2006 |
| 20050263687 | Optoelectronic position determination system A system and method for accurately determining the positioning of a lens system. The lens system includes a lens and a variable light reflecting surface. A position sensor includes a light source and a light detector. An initial signal is sent from the light source to t... | 12/01/2005 |
| 20050254142 | 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 groups du... | 11/17/2005 |
| 20050254143 | AF control apparatus for zoom lens system An AF control apparatus for a zoom lens system includes a movable lens group serving as a zooming lens group and a focusing lens group in the zoom lens system; a focusing table which stores focusing data for the movable lens group; a zooming table which stores zooming d... | 11/17/2005 |
| 20050168835 | 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 actuator to... | 08/04/2005 |
