Class / Patent application number | Description | Number of patent applications / Date published |
396079000 | Having focus operation | 39 |
20100086291 | CAMERA MODULE AND DRIVING METHOD THEREOF - Provided are a camera module and driving method thereof. The camera module includes first and second lens assemblies, and a power transmission member. The power transmission member includes a screw thread having a variable pitch for a distance between the first and second lens assemblies to be varied as the first and second lens assemblies move in engagement with the screw thread. | 04-08-2010 |
20100166403 | Camera and Lens System - A camera assembly, preferably a cinematographic camera assembly, comprises a camera housing and a plurality of interchangeable lenses which can be attached to the camera housing for capturing an image. Each lens has a body and a lens system comprising at least one lens element that is movable relative to the lens body to alter the focus distance of the lens, the lens having a focal length that differs from the focal length of the each other lenses. Each lens has a focus scale on one of the lens system and the lens body that comprises a plurality of focus distance marks, and a focus index mark on the other of the lens system and the lens body. | 07-01-2010 |
20100195995 | ZOOM LENS SYSTEM, INTERCHANGEABLE LENS APPARATUS AND CAMERA SYSTEM - Provided is a zoom lens system including a compact focusing lens unit and having a suppressed change in image magnification at the time of movement of the focusing lens unit. The zoom lens system, in order from an object side to an image side, includes a first lens unit G | 08-05-2010 |
20100290772 | ELECTRONIC CAMERA - An electronic camera includes an imager. The imager includes an imaging surface capturing an object scene image through a zoom lens and a focus lens. When accepting a zoom instruction, a first changer changes a distance from the zoom lens to the imaging surface. With reference to a tracking curve, a second changer executes a process for changing the distance from the focus lens to the imaging surface, in parallel with the change process executed by the first changer. A limiter limits the change process of the second changer when a change manner by the first changer satisfies a predetermined condition. | 11-18-2010 |
20100296803 | Barrier apparatus and image pickup apparatus - A barrier apparatus of the present invention includes: a support section having an opening portion; a pair of support shaft sections provided around the opening portion; a pair of shielding members having a proximal end portion supported rotatably by the support shaft section, and a distal end movable into and out of the opening portion by the rotation; a pair of engaging sections provided on the pair of shielding members, respectively, each extending from the proximal end portion of the shielding member to a side closer to the center of the opening portion than the support shaft section, and spaced a predetermined distance apart from the distal end of the other shielding member in an optical axis direction of the optical path; and a driving section that engages the pair of engaging sections, and rotates the pair of shielding members by the rotation. | 11-25-2010 |
20110044674 | LENS BARREL AND IMAGING APPARATUS - Disclosed are a lens barrel capable of preventing a reduction in strength while maintaining a small size and a small thickness and an imaging apparatus including the lens barrel. | 02-24-2011 |
20110052166 | MID INFRARED SPECTRAL BAND CONTINUOUS ZOOM SYSTEM - A mid infrared spectral band continuous zoom system is described herein that can provide a continuous zoom range with a focal length change greater than 25X when thermally imaging a distant object. In addition, a method is described herein for using the mid infrared spectral band continuous zoom system to thermally image the distant object. | 03-03-2011 |
20110052167 | IMAGE PICKUP APPARATUS - An image pickup apparatus includes an imaging optical system; a display unit; a detecting unit performing focus detection in phase difference detection; a focusing unit performing focus control of a lens in the imaging optical system on the basis of the focus detection result; an imaging unit generating an image signal concerning an optical image of a subject; an electronic zoom unit zooming in or out the image of the subject displayed in the display unit on the basis of the image signal by performing signal processing; and a switching unit switching between an electronic zoom active state and an electronic zoom inactive state. The detecting unit includes a sensor unit including a first licensor and a second licensor; a setting unit that sets detection sections having the same section length in the first and second licensors; a focus detecting unit; and a section length controlling unit. | 03-03-2011 |
20110097064 | LENS BARREL, DRIVING METHOD THEREOF, AND IMAGE PICKUP DEVICE - A lens barrel which is capable of increasing the total length of the lens barrel in a shooting state even in a case where the collapsed lens barrel length is short, with a simple construction. A shooting optical system is disposed movably in an optical axis direction. A lens barrel driving member moves the shooting optical system in the optical axis direction while rotating around the optical axis. A lens barrel driving member moving unit moves the lens barrel driving member in the optical axis direction in a transition region during which the lens barrel moves between a shooting state and a non-shooting state while the driving member rotating. | 04-28-2011 |
20110158622 | LENS APPARATUS - The lens apparatus according to an aspect of the present invention includes: a focus lens which is driven for bringing a desired subject into focus; a zoom lens which is driven for changing a focal length; and a diaphragm having an aperture diameter which is changed for adjusting an amount of photography light, and the lens apparatus is configured to adjust a position of the focus lens, to thereby perform flange back distance adjustment. In such a lens apparatus, the aperture diameter of the diaphragm is changed at a time of mode transition between a photography mode in which a normal photographing operation is possible and an adjustment mode in which the flange back distance adjustment is possible. Accordingly, the user can instantly know whether or not the lens apparatus is in the flange back distance adjustment mode, only by checking a video picture photographed by a television camera. | 06-30-2011 |
20110280557 | IMAGE TAKING SYSTEM AND OPERATING APPARATUS - An image taking system including: a lens apparatus; a first and a second operating apparatus, the first and the second operating apparatus configured to output a command information for an optical member movable in the lens apparatus, and the lens apparatus includes: a driving unit for the optical member; and a lens controller for driving the optical member based on a command from the first and the second operating apparatus, wherein the first operating apparatus includes: an operating unit; and a demand controller for outputting, to the lens controller, an information for driving the optical member, and wherein the demand controller outputs a position command information for the optical member to the lens controller when the operating unit being operated, and outputs other information for the optical member to the lens controller when the operating unit not being operated. | 11-17-2011 |
20120076480 | IMAGING UNIT - An imaging unit includes an incident-side reflecting surface provided in a casing and reflects object-emanating light, entering the casing in a thickness direction thereof, along a lengthwise direction of the casing; a movable lens group movable along the lengthwise direction of the casing; an exit-side reflecting surface reflecting the light in the thickness direction of the casing; an image sensor provided in the casing and receiving the light from the exit-side reflecting surface; and a plurality of light shield frames provided in the casing between the movable lens group and the exit-side reflecting surface, the light shield frames being arranged in the lengthwise direction of the casing and moving in the lengthwise direction of the casing when the movable lens group performs a power-varying operation. | 03-29-2012 |
20120163785 | LENS DRIVING DEVICE, CONTROL METHOD, AND LENS SYSTEM - A lens driving device includes a control unit configured to control movement of a first lens to perform zooming operation and a second lens to perform focus adjustment based on information of a position of the first lens and a position of the second lens stored for each object distance, and when the first lens is on a telephoto side of a predetermined position, the control unit limits movement of the second lens to a position corresponding to a second object distance closer than the first object distance, and if a predetermined condition is satisfied after the second lens has reached a predetermined region including the position corresponding to the first object distance, the control unit permits the movement of the second lens to the position corresponding to the second object distance. | 06-28-2012 |
20130114949 | Camera Lens and Image Capturing Device Using the Same - A camera lens and an image capturing device using the same. The camera lens comprises a lens-barrel fixing-base, a driving barrel, a focusing lens-barrel and an elastic member. The lens-barrel fixing-base has a hollow part, which has a first supporting part. The first supporting part has a connecting part. The driving barrel has a groove formed at an inner wall of the driving barrel. The focusing lens-barrel has a guiding part, which is inserted into the groove for allowing the focusing lens-barrel to be axially moved in the driving barrel. The focusing lens-barrel has a second supporting part. The elastic member is a hollow-ring structure setting between the lens-barrel fixing-base and the focusing lens-barrel. One end of the elastic member is positioned against the first supporting part and the another end of the elastic member is positioned against the second supporting part. | 05-09-2013 |
396080000 | Including focus/distance detecting circuit | 25 |
20090190909 | 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 movement range of the focusing lens to a different range according to a setting state of a zoom lens, obtaining an AF evaluation value along with movement of the focusing lens within the set scan range, and determining a focus position based on the obtained AF evaluation value. | 07-30-2009 |
20100086292 | Device and method for automatically controlling continuous auto focus - Disclosed herein is a device and method for automatically controlling continuous auto focus. The device includes a lens unit installed in a camera module, and configured to receive images of an external subject; a lens actuation unit for moving the lens unit along an optical axis so as to focus on a subject; an image sensor for receiving the external images, converting the external images into image signals, and outputting the image signals; a computation unit for detecting focus values and feature parameters; a mode determination unit for automatically performing switching between general mode, specific mode and tracking mode, setting the mode, and automatically setting a fixed or variable window according to the set mode using the detected feature parameters; and a lens control unit for generating a control signal for controlling the lens actuation unit so as to perform continuous auto focus according to the detected focus values. | 04-08-2010 |
20100098395 | IMAGE PICKUP APPARATUS - Provided is an image pickup apparatus including: a zoom lens unit which moves during zooming; a focus lens unit which moves during focusing; a zoom operation switch having a function for driving the zoom lens unit; a focus detection unit for detecting a focus state on an object located in a focusing area selected from multiple focusing areas within an imaging area; and a drive unit for driving the focus lens unit based on a result obtained by detection of the focus detection unit, in which the zoom operation switch further has a function for switching the selected focusing area. | 04-22-2010 |
20100178045 | LENS CONTROL APPARATUS, OPTICAL APPARATUS AND LENS CONTROL METHOD - The optical apparatus includes a focus signal generator generating a focus signal from a photoelectrical conversion signal of an optical image formed by an optical system including a first lens unit for zooming and a second lens unit for focusing, a memory storing data indicating a relationship between positions of the first and second lens units, the data being generated for each predetermined in-focus distance. The controller moves the second lens unit in infinite and close directions. The controller changes a movement amount of a center position of the movement of the second lens unit in the infinite and close directions according to at least one selected from information on an operation of the optical system, information on a state of the optical system, and information on a photoelectric conversion operation of the optical image. | 07-15-2010 |
20100226633 | COMPACT CAMERA MODULE - The invention provides a compact camera module. The compact camera module includes an image sensing device, a set of optical elements, and a zooming device. The set of optical elements connects to the image sensing device, and comprises a lens set. The zooming device connects to the set of optical elements for adjusting a distance between the lens set and the image sensing device. The zooming device directly electrically joins with the image sensing device. | 09-09-2010 |
20100226634 | LENS APPARATUS AND CAMERA SYSTEM - A lens apparatus comprises a barrel | 09-09-2010 |
20110194848 | Focus Method and Photographic Device Using the Method - A focus method and a photographic device using the method are disclosed. The photographic device comprises a zoom lens, an image analyzing module, a focus distance providing module and a processing module. The zoom lens is used for capturing image information of a plurality of positions; the image analyzing module is used for analyzing contrast values of the image information of the plurality of positions; the focus distance providing module is used for providing a non-equivalent and a constant focus distance interval for capturing the image information of the plurality of positions; and the processing module is electrically connected with the zoom lens, the image analyzing module, and the focus distance providing module. Whereby, the photographic device acquires the image information of the plurality of positions by the non-equivalent focus distance interval and acquires a coarse focus position, and acquires an accurate focus position by the constant focus distance according to the coarse focus position. | 08-11-2011 |
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 |
20110293255 | IMAGE PICKUP APPARATUS - An image pickup apparatus comprising: a lens apparatus having: an image pickup optical system including a focus lens unit and a zoom lens unit; a zoom state detector; and a controller; a camera apparatus having: a light receiving unit; and an image display unit; an AF frame operation unit; and a distance measuring unit installed with a parallax with respect to an optical axis of the image pickup optical system, in which the controller is configured to: select, from among measured distances obtained by the distance measuring unit, a measured distance obtained in an angle of field of the AF frame, based on a position of the zoom lens unit detected by the zoom state detector and a position of the AF frame set in the display; and perform the focusing by driving the focus lens unit based on the selected measured distance. | 12-01-2011 |
20120141102 | 3D CAMERA WITH FOREGROUND OBJECT DISTANCE SENSING - A stereographic camera system and a method of operating a stereographic camera system. The stereoscopic camera system may include a left camera and a right camera having respective left and right lenses, a zoom mechanism to set a focal length of the left and right lenses, a focus mechanism to set a focus distance of the left and right lenses, and an IOD mechanism to set an interocular distance between the left and right cameras. A foreground distance sensor may sense, in near-real time, a distance to a closest foreground object. A controller may cause the IOD mechanism to set the interocular distance based on, in part, the focal length, the focus distance, and the distance to the closest foreground object. | 06-07-2012 |
20120269500 | 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 | 10-25-2012 |
20140248043 | INTERCHANGEABLE LENS, CAMERA, AND CAMERA SYSTEM - An interchangeable lens detachable from a camera includes a variator lens configured to change a focal length by moving in an optical axis direction, a focus lens configured to change a focusing state of an object image by moving in the optical axis direction, a diaphragm configured to adjust an amount of light, an acquisition unit configured to acquire an amount of change in image magnification corresponding to information about a position of the variator lens, a position of the focus lens, and an aperture value of the diaphragm, and a lens control unit configured to transmit the amount of change in image magnification to the camera. | 09-04-2014 |
396081000 | And focal length responsive memory | 7 |
20090245776 | IMAGE CAPTURING DEVICE AND AUTO-FOCUS METHOD THEREOF - An image capturing device includes a lens unit, an image sensor, a face recognition unit, a selecting unit, an auto-focusing (AF) unit and a driving unit. The lens unit focuses images onto the image sensor. The image sensor converts the images into electronic signals. The face recognition unit locates any faces in a current image. If faces are detected, the selecting unit indicates to a user where the faces are located in the image, and selects one of the locations as a main focus area in response to a user input. The driving unit is configured for moving the lens unit. The AF unit controls the driving unit to focus the lens unit according to the selected location. | 10-01-2009 |
20100232775 | 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 position information indicating a position of the zoom lens on the optical axis with information about a variation in magnification caused by the focus lens advancing and retreating on the optical axis with the zoom lens located at the position indicated by the position information. | 09-16-2010 |
20130064534 | OPTICAL APPARATUS PERFORMING POSITION CONTROL OF FOCUS LENS UNIT - An optical apparatus includes a zoom optical system including a focus lens unit, an operation portion configured to manually and mechanically change a focal length of the zoom optical system, and a controller configured to control the focus lens unit so as to move along a track depending on an object distance in an operation of the operation portion. The controller moves the focus lens unit to a second position that is different from a first position that is a position of the focus lens unit in disconnecting a power when a first focal length that is a focal length of the zoom optical system in disconnecting the power is different from a second focal length that is a focal length of the zoom optical system in reconnecting the power. | 03-14-2013 |
20130308931 | INTERCHANGEABLE LENS, CAMERA, AND CAMERA SYSTEM - An interchangeable lens detachable from a camera includes a variator lens configured to change a focal length by moving in an optical axis direction, a focus lens configured to change a focusing state of an object image by moving in the optical axis direction, a diaphragm configured to adjust an amount of light, an acquisition unit configured to acquire an amount of change in image magnification corresponding to information about a position of the variator lens, a position of the focus lens, and an aperture value of the diaphragm, and a lens control unit configured to transmit the amount of change in image magnification to the camera. | 11-21-2013 |
20140341553 | CAMERA SYSTEM AND FOCUS DETECTING METHOD - A camera system according to the present invention, comprising: an interchangeable lens comprising: a zoom position detecting section configured to detect a zoom position corresponding to a focal length of the photographing optical system; and a lens control section configured to input the zoom position and transmit it to the camera body, and a camera body comprising: a body control section configured to communicate with the lens control section, a focus detecting section configured to detect an in-focus position of a focus lens included in the photographing optical system, and a zoom position memory section configured to memorize the zoom position which is transmitted from the lens control section and received by the body control section, wherein when transmitting the in-focus position to the lens control section, the body control section transmits the memory zoom position memorized in the zoom position memory section to the lens control section. | 11-20-2014 |
20160116824 | PHOTOGRAPHING DEVICE AND CONTROL METHOD FOR PHOTOGRAPHING DEVICE - A photographing device, comprising a memory for storing relationships between movement of the focus adjustment lens and image plane movement amount, a controller for setting movement amount of the focus adjustment lens constituting a specified image plane movement amount with respect to unit rotation amount of the ring member, based on a relationship that is stored in the memory, and controlling movement of the focus adjustment lens in accordance with rotation amount and rotation direction of the ring member based on the movement amount, and a rotation velocity detector for detecting rotation velocity of the ring member, wherein the control section, when rotation velocity is smaller than a specified value, sets a movement amount of the focus adjustment lens constituting a specified image movement amount with respect to unit rotation amount of the ring member, based on a relationship that is stored in the storage section. | 04-28-2016 |
20160147040 | OPTICAL INSTRUMENT AND CONTROL METHOD FOR LENS - An optical instrument comprising a plurality of focus drivers, including first and second focus drivers for respectively independently driving the first and second focus lenses within the plurality of focus lenses, and a second focus lens control position determination section for determining a control target position for every fixed period by referencing second focus position characteristic data that has been stored in the memory, based on control target position that has been determined by the first focus lens position determination section, wherein the plurality of focus drivers carryout driving of the first and second focus lenses based on control target positions for every fixed period that have been determined by the first and second focus lens control position determination sections. | 05-26-2016 |
396082000 | Focus position adjusted according to focal length | 6 |
20090196590 | LENS APPARATUS - A lens apparatus includes an imaging optical system including a focus lens unit, a branching optical unit disposed at the image side of the focus lens unit, a focus-state detecting unit including a focus detecting element having a focus detection area that receives light beams from the branching optical unit, and detecting a focus state by using the focus detecting element, an actuator that drives the focus lens unit in an optical axis direction thereof, a controller that controls the actuator, in accordance with an output from the focus-state detecting unit, and a movable image-side optical unit disposed at the image side of the branching optical unit. The controller changes the size of the focus detection area of the focus detecting element within a range in accordance with the position of the image-side optical unit. | 08-06-2009 |
20090196591 | LENS APPARATUS - A lens apparatus includes an imaging optical system including a focus lens unit, a branching optical unit disposed at the image side of the focus lens unit, a focus-state detecting unit including a focus detecting element having a focus detection area that receives light beams from the branching optical unit, and detecting a focus state by using the focus detecting element, an actuator that drives the focus lens unit in an optical axis direction thereof, a controller that controls the actuator, in accordance with an output from the focus-state detecting unit, and a movable image-side optical unit disposed at the image side of the branching optical unit. The controller changes the size of the focus detection area of the focus detecting element within a range in accordance with the position of the image-side optical unit. | 08-06-2009 |
20120063759 | AUTOMATIC FOCUSING APPARATUS - A change to the telephoto side by the zoom control unit makes the stored zoom position as a target, a focus adjustment unit moves a focus lens so as to bring an object into an in-focus state, and the focus adjustment unit, while processing for changing the zoom position is being performed by the zoom control unit, performs a regulating operation of operation for focusing on the object. | 03-15-2012 |
20130022342 | IMAGING DEVICE AND CONTROL METHOD THEREOF - An imaging device moves a zoom lens, so as to change the magnification of an image of a subject, and obtains a near limit position of a focusing lens to the subject at a zoom lens position. When a target position of the focusing lens, which is required to keep the image in focus after the zoom lens is moved, is located on a near side, i.e., on an imaging plane side, of a threshold position determined based on the obtained near limit position, focus control is performed to move the focusing lens and thereby focus. When the target position of the focusing lens is not located on the near side but is located on a subject side of the threshold position, on the other hand, focus control is performed to move the zoom lens to a wider position and subsequently move the focusing lens to focus the image. | 01-24-2013 |
20130022343 | CAMERA - A camera, comprising an optical system for capturing an image of a subject, in which a zoom position and a focus position are adjusted by an adjustment operation performed by a user; the camera comprising a replication information holding unit for recording and holding the zoom position and the focus position adjusted by the adjustment operation as a replication zoom position and a replication focus position respectively; and a replication assistance unit for assisting replication of the zoom position and the focus position; the replication assistance unit being configured so as to automatically adjust the focus position to the replication focus position when the zoom position is adjusted by the adjustment operation so as to substantially match the replication zoom position. | 01-24-2013 |
20140169778 | IMAGING APPARATUS AND IMAGING METHOD CAPABLE OF QUICKLY SETTING PHOTOGRAPHING CONDITION, AND NON-TRANSITORY STORAGE MEDIUM - In the present invention, in a state where a photographing parameter of an imaging section (for example, the focal length of a zoom lens) has been set within the range between a first value (for example, a wide angle end of 18 mm) and a second value (for example, a telephoto end of 140 mm), and a reference value (for example, 28 mm) for the photographing parameter has been set within the range between the first value and the second value, a control section changes the set parameter to the reference value. | 06-19-2014 |