Having Variable Focal Length Of Camera Objective Patents (Class 396/72)
  • Patent number: 10692906
    Abstract: A camera comprising: a sensor holder, an image sensor mounted on the sensor holder, a mount holder, and a lens mount being adapted to receive a lens array and being mounted to the mount holder, wherein the sensor holder is attached to the mount holder, wherein a gap having an extension along an optical axis of the camera is formed between the sensor holder and the lens mount, and wherein the sensor holder is provided with a thermally conducting protrusion bridging the gap and being in contact with the lens mount at an interface allowing relative motion between the lens mount and the thermally conducting protrusion along the optical axis while maintaining contact between the lens mount and the thermally conducting protrusion.
    Type: Grant
    Filed: October 3, 2018
    Date of Patent: June 23, 2020
    Assignee: Axis AB
    Inventor: Hiroyuki Ide
  • Patent number: 10656505
    Abstract: A optical projection device disposed close to a projection surface and capable of further widening an angle is provided. A optical projection device includes first optical system including lens groups movable and second optical system reflecting light emitted from the first optical system. The first optical system includes first lens frame which holds first lens group positioned at side closest to the second optical system among the movable lens groups and includes cam pin, guide barrel which includes straight groove, cam barrel which includes cam groove with which the cam pin is engaged, the first lens frame includes frame protruding portion protruding from the cam barrel to second optical system side and holding the first lens group, and notch is provided in such way that portion is formed to be cut out at side through which light reflected by the second optical system passes, in the frame protruding portion.
    Type: Grant
    Filed: January 7, 2016
    Date of Patent: May 19, 2020
    Assignee: SEIKO EPSON CORPORATION
    Inventor: Naoto Takehana
  • Patent number: 10567666
    Abstract: A dual-aperture zoom digital camera operable in both still and video modes. The camera includes Wide and Tele imaging sections with respective lens/sensor combinations and image signal processors and a camera controller operatively coupled to the Wide and Tele imaging sections. The Wide and Tele imaging sections provide respective image data. The controller is configured to output, in a zoom-in operation between a lower zoom factor (ZF) value and a higher ZF value, a zoom video output image that includes only Wide image data or only Tele image data, depending on whether a no-switching criterion is fulfilled or not.
    Type: Grant
    Filed: June 7, 2019
    Date of Patent: February 18, 2020
    Assignee: Corephotonics Ltd.
    Inventors: Noy Cohen, Oded Gigushinski, Nadav Geva, Gal Shabtay, Ester Ashkenazi, Ruthy Katz, Ephraim Goldenberg
  • Patent number: 10462347
    Abstract: A method and device are provided for positioning a mounted camera. The device includes a holding element that secures the mounted camera to the device, a wireless linkage at which remote attitude commands representing attitude changes of a remote driver are received, a local controller that interprets the remote attitude commands and generates local attitude commands that move the camera to mimic an orientation of the remote driver, and an attitude sensing element that senses a local attitude of the device. The attitude sensing element includes a gyro, an accelerometer, or a magnetometer, and jitter present in the remote attitude commands is removed and not passed on to the local attitude commands.
    Type: Grant
    Filed: February 28, 2019
    Date of Patent: October 29, 2019
    Assignee: GoPro, Inc.
    Inventors: Josh Guyot, JoeBen Bevirt
  • Patent number: 10356332
    Abstract: A dual-aperture zoom digital camera operable in both still and video modes. The camera includes Wide and Tele imaging sections with respective lens/sensor combinations and image signal processors and a camera controller operatively coupled to the Wide and Tele imaging sections. The Wide and Tele imaging sections provide respective image data. The controller is configured to output, in a zoom-in operation between a lower zoom factor (ZF) value and a higher ZF value, a zoom video output image that includes only Wide image data or only Tele image data, depending on whether a no-switching criterion is fulfilled or not.
    Type: Grant
    Filed: January 7, 2019
    Date of Patent: July 16, 2019
    Assignee: Corephotonics Ltd.
    Inventors: Noy Cohen, Oded Gigushinski, Nadav Geva, Gal Shabtay, Ester Ashkenazi, Ruthy Katz, Ephraim Goldenberg
  • Patent number: 10230898
    Abstract: A dual-aperture zoom digital camera operable in both still and video modes. The camera includes Wide and Tele imaging sections with respective lens/sensor combinations and image signal processors and a camera controller operatively coupled to the Wide and Tele imaging sections. The Wide and Tele imaging sections provide respective image data. The controller is configured to output, in a zoom-in operation between a lower zoom factor (ZF) value and a higher ZF value, a zoom video output image that includes only Wide image data or only Tele image data, depending on whether a no-switching criterion is fulfilled or not.
    Type: Grant
    Filed: June 26, 2016
    Date of Patent: March 12, 2019
    Assignee: Corephotonics Ltd.
    Inventors: Noy Cohen, Oded Gigushinski, Nadav Geva, Gal Shabtay, Ester Ashkenazi, Ruthy Katz, Ephraim Goldenberg
  • Patent number: 9983381
    Abstract: A lens barrel and an optical device having small sizes by saving a space for inner components such as a moving group while stably retaining and moving the inner components are provided. The lens barrel retains lenses while allowing movement along an optical axis. The lens barrel includes: a first frame; a second frame positioned inside the first frame; and n linear guide structures configured to allow movement of the second frame relative to the first frame along the optical axis, wherein the n linear guide structures include: n linear guide concave parts spaced apart from each other in a circumferential direction around the optical axis and extending along the optical axis; and n linear guide convex parts engaging with the n linear guide concave parts in a relatively movable manner, wherein some of the n linear guide concave parts are provided on the first frame, and the others of the n linear guide concave parts are provided on the second frame (n is an integer equal to or greater than 2).
    Type: Grant
    Filed: July 7, 2016
    Date of Patent: May 29, 2018
    Assignee: Samsung Electronics Co., Ltd.
    Inventor: Yoshiaki Shimizu
  • Patent number: 9979890
    Abstract: An electronic device has multiple cameras and displays a digital viewfinder user interface for previewing visual information provided by the cameras. The multiple cameras may have different properties such as focal lengths. When a single digital viewfinder is provided, the user interface allows zooming over a zoom range that includes the respective zoom ranges of both cameras. The zoom setting to determine which camera provides visual information to the viewfinder and which camera is used to capture visual information. The user interface also allows the simultaneous display of content provided by different cameras at the same time. When two digital viewfinders are provided, the user interface allows zooming, freezing, and panning of one digital viewfinder independently of the other. The device allows storing of a composite images and/or videos using both digital viewfinders and corresponding cameras.
    Type: Grant
    Filed: April 22, 2016
    Date of Patent: May 22, 2018
    Assignee: APPLE INC.
    Inventors: Jeffrey Traer Bernstein, Lukas Robert Tom Girling, Linda L. Dong, Henrique Penha, Paulo Michaelo Lopez, Behkish J. Manzari
  • Patent number: 9894282
    Abstract: Methods and apparatus for performing zoom in and zoom out operations are described using multiple optical chains in a camera device. At least one optical chain in the camera device includes a moveable light redirection device, said light redirection device being one of a substantially plane mirror or a prism. Different zoom focal length settings correspond to different scene capture areas for the optical chain with the moveable light redirection device. Overlap between scene areas captured by different optical chains increases during zoom in and decreases during zoom out. Images captured by different optical chains are combined and/or cropped to generate a composite image corresponding to a zoom focal length setting.
    Type: Grant
    Filed: September 12, 2016
    Date of Patent: February 13, 2018
    Assignee: Light Labs Inc.
    Inventor: Rajiv Laroia
  • Patent number: 9818171
    Abstract: One embodiment provides a method, involving: displaying, on a display device, display data; sensing, using a device sensor, movement of the display device; determining, based on the movement sensed, one or more responsive actions; executing, using a processor, the one or more responsive actions to adjust a user interface element. Other aspects are described and claimed.
    Type: Grant
    Filed: March 26, 2015
    Date of Patent: November 14, 2017
    Assignee: Lenovo (Singapore) Pte. Ltd.
    Inventors: Grigori Zaitsev, Scott Wentao Li
  • Patent number: 9813615
    Abstract: An image photographing apparatus and an image photographing method are provided. The image photographing apparatus includes: a plurality of image capturers respectively comprising lenses having different focal distances and respectively configured to capture a plurality of images having different resolutions; a storage configured to store the plurality of images captured by the plurality of image capturers; an image processor configured to adjust properties of the plurality of images to correspond to each other; a controller configured to, in response to a magnification change command being input, control the image processor to synthesize the plurality of images of which the properties are adjusted and generate a synthesis image of a magnification changed according to the magnification change command; and a display configured to display the synthesis image.
    Type: Grant
    Filed: July 23, 2015
    Date of Patent: November 7, 2017
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Tae-hee Lee, Jae-gon Kim, Stepan Tuliakov, Sung-ho Lee, Seung-ryong Jeon, Kyoung-young Kim, Hyun-seok Hong, Hee-chul Han
  • Patent number: 9739974
    Abstract: An interchangeable lens has a lens frame holding a movable lens group, another lens frame holding another movable lens group, one actuator that drives one lens frame, and the other actuator that drives the other lens frame. A first yoke forming a magnetic circuit of the one actuator and a second yoke forming a magnetic circuit of the other actuator are disposed away from each other in an optical axis direction, and a nonmagnetic member is interposed between the first yoke and the second yoke.
    Type: Grant
    Filed: September 9, 2015
    Date of Patent: August 22, 2017
    Assignee: OLYMPUS CORPORATION
    Inventors: Norio Arai, Tomohide Yano
  • Patent number: 9739985
    Abstract: A projection lens includes a compound aspherical lens in which a resin layer is formed on a surface of a glass lens and a lens surface of the resin layer on the air contacting surface side has an aspherical shape. If the glass transition temperature of the resin layer is taken as Tg and its unit is taken as ° C., Tg of at least one of the resin layers is 150<Tg<280. The projection lens is configured to satisfy a given conditional expression with respect to the at least one of the resin layers.
    Type: Grant
    Filed: April 20, 2015
    Date of Patent: August 22, 2017
    Assignee: FUJIFILM Corporation
    Inventors: Tomoyuki Baba, Yukiko Nagatoshi, Masanao Kawana, Masaru Amano, Akiko Nagahara
  • Patent number: 9541747
    Abstract: A zoom lens including a first lens group and a second lens group is provided. Refractive powers of the first lens group and the second lens group are respectively negative and positive. The first lens group includes a first lens, a second lens, and a third lens arranged in sequence from an object side to an image side. The second lens group is disposed between the first lens group and the image side, and includes a fourth lens, a fifth lens, a sixth lens, a seventh lens, and an eighth lens arranged in sequence from the object side to the image side. The zoom lens satisfies ?2.4<f1/fw<?1.0, wherein f1 is the effective focal length of the first lens group, and fw is the effective focal length of the zoom lens at a wide end.
    Type: Grant
    Filed: December 25, 2013
    Date of Patent: January 10, 2017
    Assignee: Young Optics Inc.
    Inventors: Yu-Hung Chou, Pei-Ching Liu
  • Patent number: 9485432
    Abstract: A method and apparatus for zooming an image by a zoom factor wherein a first image without zoom and a second image with fixed optical zoom are processed to find a mapping between low resolution patches and high resolution patches that are then used for zooming the first image if the zoom factor is less than the fixed optical zoom else the mapping between low resolution patches and high resolution patches are used for zooming the second image with fixed optical zoom.
    Type: Grant
    Filed: April 29, 2015
    Date of Patent: November 1, 2016
    Assignee: Uurmi Systems Private Limited
    Inventors: Swarup Shanti Medasani, Gaurav Gajanan Bhosale, Ajinkya Santoshrao Deshmukh
  • Patent number: 9325899
    Abstract: An image capturing device and a digital zooming method thereof are proposed in the invention. The method includes the following steps. A scene is captured by a primary lens and a secondary lens to generate a primary image and a secondary image. Image rectification is then performed on the primary and the secondary images to obtain two corresponding rectified images. Feature points detected and matched from the two rectified images are used to determine a corresponding overlapping region, respectively. Pixel displacement and depth map in the two overlapping regions could be calculated and estimated. Image zooming and warping techniques are performed on the two rectified images to obtain corresponding warped images using a recalculated homography matrix according to each specific zooming factor. Finally, the two overlapping regions in the warped image are fused by a weighted blending approach to generate a digital zoomed image.
    Type: Grant
    Filed: December 15, 2014
    Date of Patent: April 26, 2016
    Assignee: Altek Semiconductor Corp.
    Inventors: Hong-Long Chou, Yi-Hong Tseng, Wen-Yan Chang, Yu-Chih Wang, Tsan-Wei Wang, Yi-Yi Yu
  • Patent number: 9274321
    Abstract: The invention relates to an electronic image pickup system whose depth dimension is extremely reduced, taking advantage of an optical system type that can overcome conditions imposed on the movement of a zooming movable lens group while high specifications and performance are kept. The electronic image pickup system comprises an optical path-bending zoom optical system comprising, in order from its object side, a 1-1st lens group G1-1 comprising a negative lens group and a reflecting optical element P for bending an optical path, a 1-2nd lens group G1-2 comprising one positive lens and a second lens group G2 having positive refracting power. For zooming from the wide-angle end to the telephoto end, the second lens group G2 moves only toward the object side. The electronic image pickup system also comprises an electronic image pickup device I located on the image side of the zoom optical system.
    Type: Grant
    Filed: October 2, 2014
    Date of Patent: March 1, 2016
    Assignee: OLYMPUS CORPORATION
    Inventors: Shinichi Mihara, Hirokazu Konishi, Toyoharu Hanzawa, Masahito Watanabe, Atsujiro Ishii, Tetsuhide Takeyama, Ayami Imamura
  • Patent number: 9255795
    Abstract: A method of increasing signal-to-noise ratio of a distance-measuring device includes a light-emitting component emitting a detecting light to a measured object during an emitting period for generating a reflected light, a delay period after the light-emitting component emitting the detecting light, a light-sensing component sensing the energy of the reflected light to generate a light-sensing signal, and obtaining a measured distance between the distance-measuring device and the measured object according to the energy of the detecting light and the light-sensing signal. Since the measured distance is longer than a predetermined shortest measured distance, the method can accordingly calculate a proper delay period for ensuring that the reflected light reaches the light-sensing component after the delay period. In this way, the light-sensing component does not sense the background light during the delay period, so that the signal-to-noise ratio of the light-sensing signal is improved.
    Type: Grant
    Filed: August 22, 2013
    Date of Patent: February 9, 2016
    Assignee: PixArt Imaging Inc.
    Inventors: En-Feng Hsu, Yen-Min Chang
  • Patent number: 9213162
    Abstract: To decrease operating noise of actuators in a lens barrel, provided is a lens barrel comprising a first optical member that moves in an optical axis direction prior to image capturing and during image capturing; a first drive member that causes the first optical member to move in the optical axis direction during image capturing; a second optical member that has the first drive member fixed thereto, moves in the optical axis direction prior to image capturing, and is fixed at a position in the optical axis direction during image capturing; and a second drive member that causes the second optical member, the first optical member, and the first drive member to move in the optical axis direction prior to image capturing. Also provided is an image capturing apparatus comprising the lens barrel and an image capturing section that captures image light from the lens barrel.
    Type: Grant
    Filed: April 12, 2012
    Date of Patent: December 15, 2015
    Assignee: NIKON CORPORATION
    Inventor: Hisanori Togawa
  • Patent number: 9185271
    Abstract: An imaging device includes a first detection unit, a vector correction unit, and a second detection unit. The first detection unit is configured to detect a motion vector based on reference image data and input image data after aberration of a lens is corrected. The vector correction unit is configured to correct an error component included in the motion vector detected by the first detection unit according to an aberration characteristic of the lens. The error component is produced by aberration correction. The second detection unit is configured to set a search area of the motion vector based on the motion vector corrected by the vector correction unit and detect the motion vector in the search area.
    Type: Grant
    Filed: January 25, 2012
    Date of Patent: November 10, 2015
    Assignee: Canon Kabushiki Kaisha
    Inventors: Masashi Kawakami, Yushi Kaneko
  • Patent number: 9063272
    Abstract: Disclosed is a camera module. The camera module includes a lens barrel including a lens, a lens holder coupled with the lens barrel, and a sensor unit in the lens holder. The lens holder includes a body part including the sensor unit, and a focal length adjusting unit interposed between the lens barrel and the body part to adjust a focal length between the lens and the sensor unit. The focal length of the camera module is easily adjusted without disassembling the camera module.
    Type: Grant
    Filed: October 30, 2013
    Date of Patent: June 23, 2015
    Assignee: LG INNOTEK CO., LTD.
    Inventor: Ki Kyung Jeon
  • Patent number: 8947562
    Abstract: A zoom lens has first through fourth lens groups from the object side to the image side, and changes the magnification by changing their intervals. The first and third lens groups and the second and fourth lens groups have negative and positive powers, respectively. When changing the magnification from the wide-angle end to the telescopic end, the interval between the first and the second lens groups is reduced. The first lens group includes a reflective optical element. The second lens group includes at least two lenses, and the lens nearest to the image is a single plastic positive lens. The third lens group is configured by a single plastic negative lens. When the focal length of the single lens nearest to the image in the second lens group is defined as f2L and the focal length of the third lens group is defined as f3, “0.60<|f2L/f3|<1.60” is satisfied.
    Type: Grant
    Filed: May 10, 2011
    Date of Patent: February 3, 2015
    Assignee: Konica Minolta Opto, inc.
    Inventor: Yuichi Ozaki
  • Patent number: 8908260
    Abstract: A focusing mechanism for focusing a lens module includes a base seat, a movable platform, a positioning assembly, a support bracket and a plurality of arms. The positioning assembly is fixed to the base seat and passes through a center of the movable platform, a lens of the lens module is detachably mounted on the positioning assembly. The support bracket is fixed to the movable platform. A sensor of the lens module is detachably mounted on the support bracket. Each of the plurality of arms rotatably interconnects the movable platform and the base seat, the movable platform drives the support bracket to rotate relative to the positioning assembly to enable the lens to rotate relative to the sensor via a drive of the arms.
    Type: Grant
    Filed: April 10, 2012
    Date of Patent: December 9, 2014
    Assignees: Hong Fu Jin Precision Industry (ShenZhen) Co., Ltd., Hon Hai Precision Industry Co., Ltd.
    Inventor: Bo Long
  • Patent number: 8908050
    Abstract: An imaging apparatus includes an imaging unit, a field angle change unit, and a movement detection unit. The imaging unit includes a lens that forms an image of a subject and acquires a picture image by taking the image formed by the lens. The field angle change unit changes a field angle of the picture image acquired by the imaging unit. The movement detection unit detects a movement of the imaging apparatus. The field angle change unit changes the field angle of the picture image in accordance with a moving direction of the imaging apparatus when the movement detection unit detects the movement of the imaging apparatus.
    Type: Grant
    Filed: November 23, 2010
    Date of Patent: December 9, 2014
    Assignee: Olympus Imaging Corp.
    Inventors: Tatsuya Kino, Yoshinori Matsuzawa, Osamu Nonaka
  • Patent number: 8891176
    Abstract: A lens barrel including a subject-side lens guided by guide bars. The lens barrel has a first guide shaft disposed within a cylindrical fixed cylinder and oriented axially along the fixed cylinder; a second guide shaft disposed outside the fixed cylinder and oriented axially; a first holding member that holds a first lens and moves along the first guide shaft; and a second holding member that holds a second lens positioned on a subject side of the first lens and moves along the second guide shaft.
    Type: Grant
    Filed: June 11, 2013
    Date of Patent: November 18, 2014
    Assignee: Nikon Corporation
    Inventor: Kunihiro Fukino
  • Patent number: 8878907
    Abstract: The monocular stereoscopic imaging device according to one aspect of the presently disclosed subject matter includes: an imaging optical system including a zoom lens and a diaphragm; a pupil dividing unit configured to divide a light flux having passed through a imaging optical system into multiple light fluxes; an imaging unit configured to receive the multiple light fluxes, so as to continuously acquire a left-eye image and a right-eye image; and a controlling unit configured to control a zoom lens driving unit to move the zoom lens in accordance with an instruction of changing the focus distance, and configured to control the diaphragm driving unit to maintain at a substantially constant level a stereoscopic effect of the left-eye image and the right-eye image three-dimensionally displayed on a display unit before and after the zoom lens is moved.
    Type: Grant
    Filed: December 28, 2012
    Date of Patent: November 4, 2014
    Assignee: FUJIFILM Corporation
    Inventors: Kouhei Awazu, Takashi Aoki, Hiroshi Endo, Hirofumi Horii
  • Patent number: 8879160
    Abstract: An optical device with a deformable membrane including an anchor zone on a support contributing to trapping fluid, a central zone reversibly deforming from a rest position, and an actuating mechanism to displace fluid acting on the membrane in an intermediate zone between the anchor and central zones. The actuating mechanism includes a principal actuation mechanism and supplementary actuation mechanism each arranged in at least one ring mounted around the central zone, each ring including one or plural piezoelectric actuators, and being anchored on the intermediate zone, only the supplementary actuation mechanism may be anchored to the support, these actuation mechanisms and the membrane to which they are anchored forming at least one piezoelectric bimorph, such that they contract or expand in the radial direction during actuation such that when the fluid moves, it deforms the central zone.
    Type: Grant
    Filed: September 14, 2010
    Date of Patent: November 4, 2014
    Assignee: Commissariat a l'energie atomique et aux energies alternatives
    Inventors: Sébastien Bolis, Stéphane Moreau
  • Patent number: 8855477
    Abstract: A zoom lens barrel capable of decreasing a distance between a lens and a diaphragm in an optical axis direction to thereby increase the photographing magnification and at the same time to reduce the lens barrel size, and capable of changing a diaphragm aperture diameter according to zoom control. The lens barrel has a lens relatively movable toward and away from an iris diaphragm in the optical axis direction with a change in the photographing magnification. An operation of the iris diaphragm is controlled in such a manner that a minimum diameter of an aperture of diaphragm blades of the iris diaphragm changes according to an amount of intrusion of a part of the lens into the aperture of the diaphragm blades in a range where the diaphragm blades do not interfere with the lens.
    Type: Grant
    Filed: August 24, 2012
    Date of Patent: October 7, 2014
    Assignee: Canon Kabushiki Kaisha
    Inventor: Tomoyuki Kudoh
  • Patent number: 8810920
    Abstract: A lens barrel (3) comprises a drive frame (30) and a first lens frame (50). The first lens frame (50) has first to third cam followers (54a to 54c) that are respectively inserted into first to third outer cam grooves (34a to 34c), and first and second auxiliary pins (55a and 55b) disposed so as to be able to come into contact with first and second auxiliary grooves (35a and 35b). When viewed in the Y axis direction, the first and second auxiliary pins (55a and 55b) are disposed between the first to third cam followers (54a to 54c) in the peripheral direction. The positions of the first and second auxiliary pins (55a and 55b) are offset from the positions of the first to third cam followers (54a to 54c) in the Y axis direction.
    Type: Grant
    Filed: August 10, 2011
    Date of Patent: August 19, 2014
    Assignee: Panasonic Corporation
    Inventors: Shinichi Iwasaki, Keiji Sakamoto, Eiji Nagasaki, Kenji Sasaki, Fumio Shinano
  • Patent number: 8774615
    Abstract: A lens barrel which can be extended over a larger amount without increasing the length of the lens barrel in a collapsed state. A movable barrel having a cam formed on an inner periphery thereof is movable in an optical axis direction. The movable barrel is extended toward an object in a shooting state, and is housed in a collapsed state. A lens holding frame holds a first lens group disposed closest to an object side of lens groups arranged in the optical axis direction. The lens holding frame including a fitting portion for slidably fitting to the cam is capable of moving in the optical axis direction, following a profile line of the cam. Barrier blades are disposed on the object side of the first lens group. A barrier drive ring is connected to the lens holding frame is rotatable to open and close the barrier blades.
    Type: Grant
    Filed: July 5, 2012
    Date of Patent: July 8, 2014
    Assignee: Canon Kabushiki Kaisha
    Inventor: Yosuke Fukai
  • Patent number: 8761590
    Abstract: A mobile terminal and an operating method thereof are provided. The mobile terminal includes displaying a preview image provided by a camera module on a display module; searching for object information of an object within a predetermined distance of the mobile terminal; and displaying the object information on the display module when a user command generated by pressing a predetermined key is received. Therefore, it is possible to provide object information with high readability by displaying the object information only when receiving a predetermined user command.
    Type: Grant
    Filed: June 9, 2011
    Date of Patent: June 24, 2014
    Assignee: LG Electronics Inc.
    Inventors: Youngsoo An, Songrae Cho
  • Patent number: 8717691
    Abstract: A lens barrel includes a lens group including a fixed lens including one or more lenses and an adjustment lens including one or more lenses, and a lens frame to hold the lens group, including an adjustment lens frame to hold the adjustment lens and an aligning mechanism to hold the adjustment lens frame movably in a direction orthogonal to an optical axis of the lens group relative to the lens frame.
    Type: Grant
    Filed: September 12, 2011
    Date of Patent: May 6, 2014
    Assignee: Ricoh Company, Ltd.
    Inventors: Daisuke Terahara, Takehide Ohno
  • Patent number: 8687112
    Abstract: The present invention discloses an adjustment device and method thereof which are applied for adjusting a photosensitive element. The adjustment device comprises a first platform, a second platform, a third platform and a cover. The first platform comprises a curved surface body and a positioning elastic element. The second platform, having a recess corresponding to each curved surface body and having a loading support portion, is arranged on a side of the first platform. The third platform is arranged on the other side of the first platform, and when the third platform, moves in an axial direction, the first and second platform moves together with the third platform. The cover compresses the photosensitive element against the second platform. When the inclination of photosensitive element is adjusted by the adjustment device, each curve surface body and each recess keep in contact due to the expansion of each positioning elastic element.
    Type: Grant
    Filed: August 7, 2012
    Date of Patent: April 1, 2014
    Assignee: Altek Corporation
    Inventors: Ming-Tsung Hsin, Ching-Chung Wang
  • Patent number: 8649673
    Abstract: An image pickup apparatus which is improved in space efficiency for an optical system element, thereby reducing the apparatus size when a lens barrel is retracted. An image pickup apparatus includes a zoom lens barrel that moves between a retracted position and a shooting position in an optical axis direction to thereby change a photographing magnification. A prism bends an optical beam incident from a lens group of the lens barrel. A diaphragm-shutter element is capable of moving along the direction of the second optical axis together with a stepping motor for actuating the diaphragm-shutter element. The stepping motor is disposed, at least when the lens group is in the retracted position, at a position where the stepping motor overlaps the prism in parallel with the second optical axis.
    Type: Grant
    Filed: June 17, 2011
    Date of Patent: February 11, 2014
    Assignee: Canon Kabushiki Kaisha
    Inventors: Taro Murakami, Takumi Uehara
  • Patent number: 8625024
    Abstract: A webcam with an optical lens that can manually be moved into a position in front of the camera lens. The lens may slide or be rotated to a position in front of the camera lens. The optical lens may be a zoom lens, such that, in combination with the lens of the camera, a fixed zoom or magnification function is provided. Alternately, at least a second lens may also be provided, such as to provide two fixed zoom positions. The two lenses could be moved together with a single mechanical structure, or separately with two different manual controls.
    Type: Grant
    Filed: June 21, 2010
    Date of Patent: January 7, 2014
    Assignee: Logitech Europe S.A.
    Inventor: Ting Chia Hsu
  • Patent number: 8625980
    Abstract: A lens barrel that is capable of decreasing a barrel length under a retracted condition by simplifying a configuration. The lens barrel changes a focal length by moving first and second lens groups in an optical axis direction. A light-amount adjusting member is located between the first and second lens groups. First, second, third holding frames hold the first lens group, the second lens group, and the light-amount adjusting member, respectively. A cam mechanism moves the first, second, and third holding frames in the optical axis direction so that a part of the second lens group is inserted into the aperture of the light-amount adjusting member and concave and convex surfaces of the first and second lens groups are overlapped in the optical axis direction under a retracted condition. The aperture diameter of the light-amount adjusting member is enlarged when shifting to the retracted condition from a shooting condition.
    Type: Grant
    Filed: July 5, 2012
    Date of Patent: January 7, 2014
    Assignee: Canon Kabushiki Kaisha
    Inventor: Toru Ishimasa
  • Patent number: 8588598
    Abstract: A shape memory alloy actuation apparatus comprises a movable element suspended on a support structure by a plurality of flexures which are non-uniformly configured to apply forces having differing components perpendicular to the movement axis generating a net moment around the center of mass of the movable element in an opposite sense from the moment generated by the actuation force. A shape memory alloy wire is coupled between the support structure and an intermediate body engaging the movable element through a pivotal contact to avoid lateral force transfer. Also coupled between the support structure and the intermediate body is a resilient biassing flexure plastically deformed in a partial region thereof. The shape memory alloy wire is crimped by a crimping member fixed to the support structure holding the shape memory alloy wire against a curved surface from which the shape alloy memory wire extends to the movable element.
    Type: Grant
    Filed: July 24, 2009
    Date of Patent: November 19, 2013
    Assignee: Cambridge Mechatronics Limited
    Inventors: Richard Topliss, Andrew Benjamin David Brown
  • Publication number: 20130300913
    Abstract: An optical system includes an aperture diaphragm having such a curved surface shape that an aperture part moves in an optical axis direction as an aperture diameter changes. The aperture diaphragm has a convex shape on an object side when an optical system on the object side of the aperture diaphragm has a negative refractive power, and the aperture diaphragm has a convex shape on an image side when the optical system on the object side of the aperture diaphragm has a positive refractive power.
    Type: Application
    Filed: May 2, 2013
    Publication date: November 14, 2013
    Inventor: Hideki Sakai
  • Patent number: 8543001
    Abstract: An optical network unit (ONU) comprising a first optical fiber, a first optical circulator coupled to the first optical fiber, a first seed light injected laser coupled to the first optical circulator, wherein the first optical circulator is positioned between the first seed light injected laser and the first optical fiber, and a second seed light injected laser coupled to the first optical circulator and the first seed light injected laser, wherein the first optical circulator is positioned between the second seed light injected laser and the first optical fiber. Also disclosed is a method comprising receiving a seed light signal, amplifying the seed light signal using seed light injection locking, thereby producing an amplified seed light signal, and producing an optical signal using the amplified seed light signal and seed light injection locking, wherein the optical signal has about the same wavelength as the seed light signal.
    Type: Grant
    Filed: October 8, 2010
    Date of Patent: September 24, 2013
    Assignee: Futurewei Technologies, Inc.
    Inventor: Ning Cheng
  • Patent number: 8525923
    Abstract: A focusing method and apparatus for providing focus evaluation value information regarding a focus region of an image of a subject, which is obtained by performing auto focusing, without having to enlarge the focus region, and a computer readable recording medium having recorded thereon the focusing method. Accordingly, a user may precisely and finely perform manual focusing on the focus region.
    Type: Grant
    Filed: July 8, 2011
    Date of Patent: September 3, 2013
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Masataka Hamada, Kenji Ishibashi
  • Patent number: 8482638
    Abstract: A digital camera is provided with a focusing function and a focal length varying function of a main lens. The digital camera includes a main imaging unit configured to generate a main image by performing a photoelectric conversion from a subject obtained via the main lens, a sub-imaging unit configured to generate a sub-image by performing a photoelectric conversion from the subject obtained via a sub-lens, a focal length acquiring unit configured to acquire the focal length of the main lens, a magnification setting unit configured to set a level of magnification on the basis of the focal length, a composite image generating unit configured to generate a composite image by combining the main image and the sub-image, after at least one of the main image and the sub-image is magnified at the level of magnification, and an image display unit configured to display the composite image.
    Type: Grant
    Filed: December 22, 2010
    Date of Patent: July 9, 2013
    Assignee: Seiko Epson Corporation
    Inventor: Ryuichi Shiohara
  • Patent number: 8483555
    Abstract: A lens barrel that reinforces a connecting part between a movable lens barrel and a fixed barrel, without requiring a new drive source, is disclosed. The lens barrel includes: a rotary barrel fitted in a fixed barrel; a cam mechanism for connecting the rotary barrel and the fixed barrel; and a ring member. The fixed barrel includes an engagement section and a rotary drive mechanism for revolving the ring member. The rotary drive mechanism locates the ring member to an engagement-enabling position when a connection by the cam mechanism reaches a predetermined position, directing the connection from a first end to a second end of an idle revolving area, the first end continuing to an advancement/retreat movement area; and to a release position, when the connection by the cam mechanism is located at the first end of the idle revolving area.
    Type: Grant
    Filed: October 14, 2011
    Date of Patent: July 9, 2013
    Assignee: Ricoh Company, Ltd.
    Inventor: Tetsuya Iwasaki
  • Patent number: 8482871
    Abstract: Provided is a lens barrel including a subject-side lens guided by guide bars, comprising a first guide shaft that is disposed within a cylindrical fixed cylinder and oriented along an axial direction of the fixed cylinder; a second guide shaft that is disposed outside the fixed cylinder and oriented along the axial direction, and arranged such that at least a portion thereof overlaps with the first guide shaft in a longitudinal direction of the first guide shaft; a first holding member that holds a first lens, includes a first engaging member that engages with the first guide shaft, and moves along the first guide shaft; and a second holding member that holds a second lens positioned on a subject side of the first lens, includes a second engaging member that engages with the second guide shaft, and moves along the second guide shaft, wherein at least a portion of movement range of the first engaging member on the first guide shaft overlaps in the axial direction with at least a portion of movement range of th
    Type: Grant
    Filed: August 20, 2009
    Date of Patent: July 9, 2013
    Assignee: Nikon Corporation
    Inventor: Kunihiro Fukino
  • Patent number: 8471947
    Abstract: The image pickup apparatus includes an image taking optical system, an optical filter into which the light from the image taking optical system enters, an image pickup element electrically converting the optical image formed by the light that has passed through the optical filter, an image pickup element holding member holding the image pickup element together with the optical filter, and a lens holding member holding an image surface side lens unit disposed closest to the optical filter. The lens and image pickup element holding members are moved relatively to each other in an optical axis direction, and include dust-proof walls that surround a space between the image surface side lens unit and the optical filter and mutually overlap in a direction orthogonal to the optical axis direction in an entire range where the lens and image pickup element holding members are relatively moved.
    Type: Grant
    Filed: February 17, 2011
    Date of Patent: June 25, 2013
    Assignee: Canon Kabushiki Kaisha
    Inventor: Hidekazu Nakamura
  • Publication number: 20130121675
    Abstract: A pop up prism camera (10) having a pop up prism lens assembly (11). A first lens assembly (14), a second lens assembly (18), and a prism assembly (21) are moved in relationship to a camera housing (12) controlled by a cam tube (20). The prism assembly (21) projects outside the camera housing (12) when the pop up prism camera (10) is in an operational configuration. A prism (100) of the prism assembly (21) redirects an optical path (48). A non-angled portion (44) of a first cam groove (30) causes the prism assembly (21) to remain fixed relative to the camera housing (12) while continued rotation of the cam tube (20) allows the first lens assembly (14) and the second lens assembly (18) to continue to move to accomplish a lens zoom function.
    Type: Application
    Filed: January 7, 2013
    Publication date: May 16, 2013
    Applicant: DigitalOptics Corporation
    Inventor: DigitalOptics Corporation
  • Patent number: 8436933
    Abstract: The image pickup system is constituted by a lens apparatus including a focus lens and an image pickup apparatus performing image pickup through the lens apparatus. The system includes an operating part being operated to instruct a movement of the focus lens, a controller performing focus position control to move the focus lens to a position corresponding to an operation amount of the operating part, a ranging part detecting an object distance in each of plural ranging areas included in an image pickup region, and a determining part determining a distance range where the object distances detected in the plural ranging areas are distributed. The system further includes a changing part changing a relationship between the operation amount of the operating part and the position of the focus lens in the focus position control according to a determination result by the determining part.
    Type: Grant
    Filed: August 4, 2010
    Date of Patent: May 7, 2013
    Assignee: Canon Kabushiki Kaisha
    Inventor: Keisuke Hirai
  • Patent number: 8368801
    Abstract: There are provided a camera system and an interchangeable lens that are compatible with a contrast detection method. A camera system (1) has an interchangeable lens unit (2) and a camera body (3). A lens microcomputer (40) changes the movable range of a second lens group (L2) via a focus lens drive controller (41) depending on whether a second holder (61) is driven by the focus lens drive controller (41) and a focus motor (80) on the basis of angle information inputted to a zoom ring (64) of the interchangeable lens unit (2), or the second holder (61) is driven by the focus lens drive controller (41) on the basis of contrast information.
    Type: Grant
    Filed: August 26, 2008
    Date of Patent: February 5, 2013
    Assignee: Panasonic Corporation
    Inventors: Takeo Santo, Naoto Yumiki, Yoshito Miyatake, Hiroshi Kubota
  • Publication number: 20130016961
    Abstract: A lens barrel which can be extended over a larger amount without increasing the length of the lens barrel in a collapsed state. A movable barrel having a cam formed on an inner periphery thereof is movable in an optical axis direction. The movable barrel is extended toward an object in a shooting state, and is housed in a collapsed state. A lens holding frame holds a first lens group disposed closest to an object side of lens groups arranged in the optical axis direction. The lens holding frame including a fitting portion for slidably fitting to the cam is capable of moving in the optical axis direction, following a profile line of the cam. Barrier blades are disposed on the object side of the first lens group. A barrier drive ring is connected to the lens holding frame is rotatable to open and close the barrier blades.
    Type: Application
    Filed: July 5, 2012
    Publication date: January 17, 2013
    Applicant: CANON KABUSHIKI KAISHA
    Inventor: Yosuke Fukai
  • Patent number: 8325428
    Abstract: A lens barrel which is capable of reducing, when the lens barrel is in a stored position, the thickness of an image pickup apparatus in its optical axis direction and also the diameter of the lens barrel. The lens barrel has a first lens, a second lens, a lens holding unit adapted to hold the second lens, and an iris diaphragm. The lens barrel moves between a photographing position and a stored position in the optical axis direction. The second lens includes a convex spherical portion protruding toward the first lens. The second lens is arranged close to the first lens and an inner circumferential portion of the diaphragm blades is arranged inwardly in the radial direction with respect to the lens holding unit and oppositely to the convex spherical portion in the radial direction, when the lens barrel is in the stored position.
    Type: Grant
    Filed: March 9, 2011
    Date of Patent: December 4, 2012
    Assignee: Canon Kabushiki Kaisha
    Inventor: Tomoyuki Kudoh
  • Patent number: 8305465
    Abstract: When a hand shake reducing mode has been set for shooting a subject, an exposure is controlled in accordance with a program diagram (solid line) B for the shake reducing mode, which is different from a program diagram (broken line) A for a normal mode. In a state where a shutter speed is set to less than “ 1/80”, two-pixel addition and/or four-pixel addition is executed on an imaging signal to amplify subject luminance, raising ISO sensitivity. A shutter speed set to fall in a high speed range reduces deterioration in image quality due to hand shake and/or subject movement during a shooting operation.
    Type: Grant
    Filed: May 28, 2009
    Date of Patent: November 6, 2012
    Assignee: Casio Computer Co., Ltd.
    Inventors: Masami Yuyama, Tsuyoshi Matsunaga, Yoshiyuki Kato, Takeshi Tsukagoshi, Masaru Onozawa, Shohei Sakamoto