Other Than First Group Moves For Focusing (internal Focus Type) Patents (Class 359/684)
  • Patent number: 11215790
    Abstract: A zoom lens comprises, in order from an object: a first lens group (G1) having positive refractive power; a second lens group (G2) having negative refractive power; a third lens group (G3) having positive refractive power; a fourth lens group (G4) having negative refractive power; and a fifth lens group (G5) having positive refractive power, in which the first to the fifth lens groups (G1 to G5) each move in an optical axis direction upon zooming from a wide angle end state to a telephoto end state, at least a part of the fourth lens group (G4) is configured to serve as a focusing lens group to move in the optical axis direction upon focusing, the first lens group (G1) consists of two lenses, and the following conditional expression is satisfied. 0.30<GD3/ft<0.8 where, GD3 denotes a thickness of the third lens group (G3) on the optical axis, and ft denotes a focal length of the zoom lens in the telephoto end state.
    Type: Grant
    Filed: September 30, 2016
    Date of Patent: January 4, 2022
    Assignee: NIKON CORPORATION
    Inventor: Keiichi Nakamura
  • Patent number: 11199681
    Abstract: A camera lens, e.g., for a full-frame camera, may have a first compound lens leading on the object side, a second compound lens following the first compound lens, a third compound lens that terminates on the sensor side and follows the second compound lens, and an aperture stop arranged between the first compound lens and the second compound lens. The first compound lens may have a converging refractive power. The second compound lens may comprise at least two lens elements arranged movably along the optical axis, and the third compound lens may have at least one aspheric lens element which is fixedly arranged in the longitudinal direction of the optical axis, wherein the aspheric lens element has a diameter of at least 25 mm.
    Type: Grant
    Filed: December 18, 2017
    Date of Patent: December 14, 2021
    Assignee: Carl Zeiss AG
    Inventor: Marco Pretorius
  • Patent number: 11194139
    Abstract: A variable magnification optical system comprises, in order from an object side, a first lens group G1 having positive refractive power, a second lens group G2 having negative refractive power, a third lens group G3 having positive refractive power and a fourth lens group G4 having negative refractive power; upon varying a magnification, a distance between the first lens group G1 and the second lens group G2 being varied, a distance between the second lens group G2 and the third lens group G3 being varied, and a distance between the third lens group G3 and the fourth lens group G4 being varied; upon focusing, the fourth lens group G4 being moved; and a predetermined conditional expression being satisfied.
    Type: Grant
    Filed: October 24, 2017
    Date of Patent: December 7, 2021
    Assignee: NIKON CORPORATION
    Inventor: Kosuke Machida
  • Patent number: 11187876
    Abstract: Provided is a zoom lens including in order from an object side: a positive first lens unit not moving for a change in magnification; a negative second lens unit moving for a change in magnification; and two or three rear lens units having a positive refractive power as a whole, at least one of the rear lens units being configured to move for a change in magnification. The first lens unit includes a negative first lens sub-unit not moving for focusing, a positive second lens sub-unit moving for focusing, a third lens sub-unit not moving for focusing, and a positive fourth lens sub-unit moving for focusing. An amount of movement of the second lens sub-unit during focusing from infinity to a minimum object distance, and an amount of movement of the fourth lens sub-unit during focusing from infinity to the minimum object distance satisfy a specific conditional expression.
    Type: Grant
    Filed: July 24, 2020
    Date of Patent: November 30, 2021
    Assignee: CANON KABUSHIKI KAISHA
    Inventor: Naotoshi Ogawa
  • Patent number: 11165213
    Abstract: An optical system including a first lens element having an optical center, a second lens element having an optical center spaced apart from the first lens element and oriented such that a beam passing through the optical center of said first lens element will also pass straight the optical center of the second lens element, the beam defining an optical path; and at least one planar, optical slab configured to be movable between at least two positions, a first position wherein at least a portion of a planar surface of the optical slab is disposed between the first and second lens elements such that a beam transmitted therethrough also passes through the planar, optical slab and a second position wherein the planar, optical slab is fully outside of the optical path created by the first and second lens elements.
    Type: Grant
    Filed: June 21, 2019
    Date of Patent: November 2, 2021
    Assignee: BAE Systems Information and Electronic Systems Integration Inc.
    Inventor: Philip R. Staver
  • Patent number: 11156812
    Abstract: A variable magnification optical system comprises, in order from an object side, a first lens group G1 having positive refractive power, a second lens group G2 having negative refractive power, a third lens group G3 having positive refractive power and a fourth lens group G4 having negative refractive power; upon varying a magnification, a distance between the first lens group G1 and the second lens group G2 being varied, a distance between the second lens group G2 and the third lens group G3 being varied, and a distance between the third lens group G3 and the fourth lens group G4 being varied; upon focusing, the fourth lens group G4 being moved; and a predetermined conditional expression being satisfied.
    Type: Grant
    Filed: October 24, 2017
    Date of Patent: October 26, 2021
    Assignee: NIKON CORPORATION
    Inventor: Kosuke Machida
  • Patent number: 11143852
    Abstract: To attain the above-described objective, a zoom lens according to the present invention includes sequentially from an object side, a front group which includes at least three lens groups and has positive refractive power as a whole, and a lens group disposed on an image side of the front group, a magnification is changed by a change of a distance on an optical axis between adjacent lens groups, the lens group includes sequentially from an image side, a lens component, a lens component, and a lens component, the lens group is moved to an object side at a time of changing a magnification from a wide-angle end to a telephoto end, focusing is obtained by movement of a part of lens groups in the front group along an optical axis, and a predetermined condition expression is satisfied.
    Type: Grant
    Filed: August 29, 2019
    Date of Patent: October 12, 2021
    Assignee: TAMRON CO., LTD.
    Inventor: Hisayuki Yamanaka
  • Patent number: 11115567
    Abstract: An image capture assembly includes a heat-conducting housing, a camera component in the heat-conducting housing, and a heat-conducting sheet. The heat-conducting sheet is attached to the camera component and arranged between the camera component and the heat-conducting housing to dissipate heat generated by the camera component to the heat-conducting housing. The heat-conducting sheet extends to a side wall of the camera component from a bottom side of the camera component.
    Type: Grant
    Filed: May 28, 2020
    Date of Patent: September 7, 2021
    Assignee: SZ DJI TECHNOLOGY CO., LTD.
    Inventors: Lei Zhang, Hao Liu, Lei Wang
  • Patent number: 11092789
    Abstract: An optical imaging system includes a first lens group that can move in an optical direction and has negative refractive power; a second lens group that can move in the optical direction and has positive refractive power; and a third lens group that can move in the optical direction and has negative refractive power. The first lens group, the second lens group, and the third lens group include seven lenses in total, and at least one of the seven lenses includes an aspherical surface.
    Type: Grant
    Filed: March 7, 2019
    Date of Patent: August 17, 2021
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Hag Chul Kim, Yong Joo Jo
  • Patent number: 11086103
    Abstract: A lens module includes a carrier having an internal space, a lens unit including a plurality of lens groups and disposed in the carrier so that one or more of the lens groups is movable in a length direction of the carrier, a lens guide unit connected to the one or more movable lens groups to guide movement of the one or more movable lens groups, and a lens driving unit connected to the lens guide unit and including a plurality of driving wires formed of a shape memory alloy. The lens guide unit is moved in a height direction of the carrier by expansion and contraction of the plurality of driving wires to move the one or more lens groups in the length direction of the carrier.
    Type: Grant
    Filed: September 19, 2019
    Date of Patent: August 10, 2021
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventor: Jae Woo Jun
  • Patent number: 11079575
    Abstract: Comprising, in order from an object side: a first lens group having positive refractive power, a second lens group having negative refractive power, a third lens group having positive refractive power, a fourth lens group having positive refractive power, and a fifth lens group having negative refractive power; upon varying a magnification, the first lens group being fixed with respect to the image plane, and each distance between the neighboring lens groups being varied; upon focusing, at least a portion of the fourth lens group being moved; and predetermined conditional expression(s) being satisfied, thereby variations in various aberrations upon varying magnification being superbly suppressed.
    Type: Grant
    Filed: October 16, 2017
    Date of Patent: August 3, 2021
    Assignee: NIKON CORPORATION
    Inventor: Tomoki Ito
  • Patent number: 11079574
    Abstract: A zoom lens consists of, in order from an object, a first lens group having a negative refractive power, a second lens group having a positive refractive power, a third lens group having a negative refractive power, and a fourth lens group having a positive refractive power. Zooming is performed by changing respective distances between the first and second lens groups, the second and third lens groups, and the third and fourth lens groups. The first lens group consists of, in order from an object, a negative lens, a negative lens and a positive lens, the second lens group consists of five lenses, and the third lens group consists of a bi-concave negative lens.
    Type: Grant
    Filed: October 29, 2019
    Date of Patent: August 3, 2021
    Assignee: Nikon Corporation
    Inventor: Keigo Koida
  • Patent number: 11016271
    Abstract: An optical imaging system includes a first lens, a second lens, a third lens, a fourth lens, a fifth lens, a sixth lens, and a seventh lens sequentially disposed in numerical order along an optical axis of the optical imaging system from an object side of the optical imaging system toward an imaging plane of the optical imaging system, wherein the optical imaging system satisfies 0.5<L12345TRavg/L7TR<0.9, where L12345TRavg is an average value of overall outer diameters of the first to fifth lenses, L7TR is an overall outer diameter of the seventh lens, and L12345TRavg and L7TR are expressed in a same unit of measurement.
    Type: Grant
    Filed: May 29, 2019
    Date of Patent: May 25, 2021
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Jin Hwa Jung, Sot Eum Seo, Yong Joo Jo, Ga Young An
  • Patent number: 11002943
    Abstract: An optical imaging system includes a first lens, a second lens, a third lens, a fourth lens, a fifth lens, a sixth lens, and a seventh lens sequentially disposed in numerical order along an optical axis of the optical imaging system from an object side of the optical imaging system toward an imaging plane of the optical imaging system; and a spacer disposed between the sixth and seventh lenses, wherein the optical imaging system satisfies 0.5<S6d/f<1.4, where S6d is an inner diameter of the spacer, f is an overall focal length of the optical imaging system, and S6d and f are expressed in a same unit of measurement.
    Type: Grant
    Filed: May 29, 2019
    Date of Patent: May 11, 2021
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Phil Ho Jung, In Gun Kim, Yong Joo Jo, Ga Young An
  • Patent number: 10983442
    Abstract: A projection objective, used for projecting an object space to an image space. The objective includes, from the object space along an optical axis in sequence: a first lens set (G1) having positive focal power, a second lens set (G2) having negative focal power, a third lens set (G3) having positive focal power, a fourth lens set (G4) having negative focal power, and a fifth lens set (G5) having positive focal power. Aspheric lenses are provided in the first lens set (G1), the second lens set (G2), the third lens set (G3), the fourth lens set (G4), and the fifth lens set (G5).
    Type: Grant
    Filed: September 29, 2018
    Date of Patent: April 20, 2021
    Assignee: Shanghai Micro Electronics Equipment (Group) Co., Ltd.
    Inventors: Fuping An, Zhaoxiang Chu, Yinzhang Guo
  • Patent number: 10969694
    Abstract: A refractive projection lens for imaging a pattern in an object plane of the projection lens into an image plane of the projection lens via electromagnetic radiation of a mercury vapor lamp includes a multiplicity of lens elements are arranged along an optical axis between the object and image planes. The lens elements image a pattern in the object plane into the image plane with a reducing imaging scale. The lens elements include first lens elements made of a first material with a relatively low Abbe number and a second lens elements made of a second material with a higher Abbe number relative to the first material.
    Type: Grant
    Filed: September 30, 2019
    Date of Patent: April 6, 2021
    Assignee: Carl Zeiss SMT GmbH
    Inventors: Alexander Epple, David Shafer
  • Patent number: 10908388
    Abstract: A zoom lens includes, in order from an object along an optical axis: a first lens group having a negative refractive power; a second lens group having a positive refractive power; a third lens group having a negative refractive power; a fourth lens group; and a fifth lens group. When the zoom lens performs varying magnification, the distance between the first and second lens groups changes, the distance between the second and third lens groups changes, the distance between the third and fourth lens groups changes, the distance between the fourth and fifth lens groups changes, the second and fourth lens groups move along the same trajectory along the optical axis, and at least the third lens group moves along the optical axis.
    Type: Grant
    Filed: July 4, 2019
    Date of Patent: February 2, 2021
    Assignee: Nikon Corporation
    Inventor: Takeshi Umeda
  • Patent number: 10908395
    Abstract: An optical imaging system includes a first lens, a second lens, a third lens, a fourth lens, a fifth lens, a sixth lens, a seventh lens, and an eighth lens, sequentially disposed from an object side to an imaging plane. The optical imaging system satisfies the expression BFL/f<0.15, where BFL represents a distance from an image-side surface of the eighth lens to an imaging plane of an image sensor and f represents an overall focal length of the optical imaging system.
    Type: Grant
    Filed: June 18, 2019
    Date of Patent: February 2, 2021
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Jin Hwa Jung, Yong Joo Jo
  • Patent number: 10884217
    Abstract: An optical imaging system includes a first lens, a second lens, a third lens, a fourth lens, a fifth lens, and a sixth lens. The first lens includes a negative refractive power, and the second lens includes a negative refractive power. The third lens includes a positive refractive power, and the fourth lens includes a positive refractive power, an object-side surface thereof being concave. The fifth lens includes a positive refractive power. The sixth lens includes a negative refractive power. The first to sixth lenses are sequentially disposed from an object side toward an imaging plane. One lens of the first to sixth lenses is cemented to a lens adjacent thereto.
    Type: Grant
    Filed: September 22, 2016
    Date of Patent: January 5, 2021
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventors: Seong Ho Hwang, Hyuk Joo Kim
  • Patent number: 10877240
    Abstract: A zoom optical system comprises, in order from an object: a first lens group (G1) having positive refractive power; a second lens group (G2) having negative refractive power; and a subsequent group (GR) including at least one lens group. Upon zooming, distances between the first lens group (G1) and the second lens group (G2) and between the second lens group (G2) and the subsequent group (GR) change. The subsequent group (GR) comprises a focusing group (Gfc) having negative refractive power for focusing. The first lens group (G1) comprises a 1-1st lens that has positive refractive power and is disposed closest to the object. A following conditional expression is satisfied: 0.20<f1/fR<0.85 where, f1 denotes a focal length of the first lens group, and fR denotes a focal length of a lens component, in the subsequent group, closest to an image surface.
    Type: Grant
    Filed: November 28, 2016
    Date of Patent: December 29, 2020
    Assignee: NIKON CORPORATION
    Inventor: Kosuke Machida
  • Patent number: 10866391
    Abstract: The present disclosure discloses an imaging lens assembly. The imaging lens assembly includes, sequentially along an optical axis from an object side to an image side, a first lens, a second lens, a third lens, and a fourth lens. The object-side surface of the first lens is a concave surface, and the image-side surface of the fourth lens is a concave surface. The second lens has a positive refractive power. At least one of the first lens, the third lens, or the fourth lens has a negative refractive power. An effective focal length f3 of the third lens and an effective focal length f4 of the fourth lens satisfy: f3/f4>0.
    Type: Grant
    Filed: December 6, 2018
    Date of Patent: December 15, 2020
    Assignee: ZHEJIANG SUNNY OPTICAL CO., LTD.
    Inventor: Lin Huang
  • Patent number: 10838180
    Abstract: A zoom lens consists of, in order from an object side, a positive first lens group, a negative second lens group, a positive third lens group, a positive fourth lens group, and a positive fifth lens group. During zooming, the first lens group is fixed, and distances between the respective lens groups change in predetermined manners. The first lens group consists of, in order from the object side, a negative lens group fixed during focusing, a positive lens group movable during focusing, and a positive lens group fixed during focusing. The lens group has on the most image side four lenses of, in order from the object side, a positive lens, a cemented lens in which a negative meniscus lens having a convex surface facing the object side and a positive lens are cemented, and a positive meniscus lens having a convex surface facing the object side.
    Type: Grant
    Filed: September 24, 2018
    Date of Patent: November 17, 2020
    Assignee: FUJIFILM Corporation
    Inventors: Takuya Tanaka, Motoari Ota
  • Patent number: 10823942
    Abstract: A zoom lens according to the disclosure includes a first lens group having positive refractive power, a second lens group, a third lens group, a fourth lens group, a fifth lens group, and a sixth lens group. The first lens group includes a front side first lens group fixed with respect to an image plane upon zooming from a wide end to a telephoto end and focusing from an infinite object to a short-distance object, and a rear side first lens group having positive refractive power. The second, third, and fifth lens groups travel along an optical axis upon zooming. The fourth and sixth lens groups are fixed with respect to the image plane in an optical axis direction upon zooming. At least two lens groups including the rear side first lens group travel along the optical axis upon focusing.
    Type: Grant
    Filed: December 9, 2016
    Date of Patent: November 3, 2020
    Assignee: Sony Corporation
    Inventors: Naoki Miyagawa, Yonghua Chen
  • Patent number: 10809490
    Abstract: A lens barrel including a first lens, an actuator that drives the first lens, a first barrel that holds a first cam follower and the actuator and moves in an optical axis direction, a second lens, and a second barrel that holds a second cam follower and the second lens and moves in the optical axis direction, the second barrel having a first hole portion in which the first cam follower is disposed.
    Type: Grant
    Filed: June 1, 2018
    Date of Patent: October 20, 2020
    Assignee: NIKON CORPORATION
    Inventors: Takahiro Sakai, Yuji Ihara
  • Patent number: 10795124
    Abstract: The present disclosure discloses a camera optical lens, including, in an order from an object side to an image side, a first lens, a second lens, a third lens, a fourth lens, a fifth lens, and a sixth lens. The first lens is made of glass material, the second lens is made of plastic material, the third lens is made of plastic material, the fourth lens is made of glass material, the fifth lens is made of plastic material, and the sixth lens is made of plastic material. The camera optical lens further satisfies specific conditions.
    Type: Grant
    Filed: April 24, 2018
    Date of Patent: October 6, 2020
    Assignee: AAC Optics Solutions Pte. Ltd.
    Inventors: Kenji Oinuma, Lei Zhang, Yanmei Wang, Dan Zhang
  • Patent number: 10761306
    Abstract: A zoom optical system (ZL) comprises, in order from an object: a first lens group (G1) having positive refractive power; an intermediate group (GM) including at least one lens group and having negative refractive power as a whole; an intermediate side lens group (GRP1) having positive refractive power; a subsequent side lens group (GRP2) having positive refractive power; and a subsequent group (GR) including at least one lens group. The subsequent side lens group (GRP2) moves upon focusing. A following conditional expression is satisfied: 2.5<f1/fRP1<5.0 where, f1 denotes a focal length of the first lens group (G1), and fRP1 denotes a focal length of the intermediate side lens group (GRP1).
    Type: Grant
    Filed: November 28, 2016
    Date of Patent: September 1, 2020
    Assignee: NIKON CORPORATION
    Inventor: Kosuke Machida
  • Patent number: 10761300
    Abstract: An optical system includes a first lens, a second lens, a third lens, a fourth lens, a fifth lens, and a sixth lens. The first lens includes an object-side surface that is convex with a meniscus shape. The second lens includes an image-side surface that is convex. The third lens includes an image-side surface that is concave. The fifth lens includes an image-side surface that is concave. The first to sixth lenses are sequentially disposed from an object side to an image side.
    Type: Grant
    Filed: October 29, 2015
    Date of Patent: September 1, 2020
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventor: Ho Sik You
  • Patent number: 10620399
    Abstract: Provided are a zoom lens which can be configured to have a small size while ensuring a high zoom ratio and has high optical performance by satisfactorily correcting chromatic aberration, and an imaging apparatus including the zoom lens. The zoom lens consists of, in order from the object side, a first lens group G1 that has a positive refractive power and remains stationary during zooming, a plurality of movable lens groups that move during zooming; and a final lens group Ge that has a positive refractive power and remains stationary during zooming. At least one movable lens group has a negative refractive power. The movable lens group, which is closest to the object side and has a negative refractive power, has two or more negative lenses, and satisfies predetermined conditional expressions.
    Type: Grant
    Filed: June 21, 2018
    Date of Patent: April 14, 2020
    Assignee: FUJIFILM Corporation
    Inventors: Masaru Yonezawa, Shinkichi Ikeda
  • Patent number: 10606037
    Abstract: The present disclosure discloses a camera optical lens, including, in an order from an object side to an image side, a first lens, a second lens, a third lens, a fourth lens, a fifth lens, and a sixth lens. The first lens is made of plastic material, the second lens is made of plastic material, the third lens is made of glass material, the fourth lens is made of glass material, the fifth lens is made of plastic material, and the sixth lens is made of plastic material. The camera optical lens further satisfies specific conditions.
    Type: Grant
    Filed: April 24, 2018
    Date of Patent: March 31, 2020
    Assignee: AAC Technologies Pte. Ltd.
    Inventors: Kenji Oinuma, Lei Zhang, Yanmei Wang, Yuanshan Cui
  • Patent number: 10598909
    Abstract: A zoom lens includes in order from an object side to an image side, a positive first lens unit that is not moved for zooming, a negative second lens unit that is moved during zooming, at least one zooming lens unit that is moved during zooming, a stop, and a positive fixed lens unit that is not moved for zooming. The first lens unit includes in order from the object side to the image side, a first lens sub-unit that is not moved for focusing, a positive second lens sub-unit that is moved toward the object side when focusing to an object at short distance from an object at infinite distance, and a positive third lens sub-unit that is moved during focusing. The second lens sub-unit includes a negative meniscus lens having a convex surface facing the image side.
    Type: Grant
    Filed: September 16, 2016
    Date of Patent: March 24, 2020
    Assignee: CANON KABUSHIKI KAISHA
    Inventor: Masakazu Kodaira
  • Patent number: 10567624
    Abstract: A control apparatus includes a controller configured to determine whether or not an interchangeable lens is in a static image based on an angular velocity signal output from an angular velocity detector configured to detect an angular velocity of a vibration of an interchangeable lens. The control apparatus receives, from the camera body, a command that transfers the interchangeable lens to a sleep state a predetermined time after the controller determines that the interchangeable lens is in the static state. The controller prohibits the camera body from transmitting the command that transfers the interchangeable lens to the sleep state, when the controller determines that a first offset in the angular velocity signal recorded in a recorder is to be updated.
    Type: Grant
    Filed: April 3, 2018
    Date of Patent: February 18, 2020
    Assignee: CANON KABUSHIKI KAISHA
    Inventor: Daisuke Hirai
  • Patent number: 10557943
    Abstract: Optical systems that may, for example, be used in light ranging and detection (LiDAR) applications, for example in systems that implement combining laser pulse transmission in LiDAR and that include dual transmit and receive systems. Receiver components of a dual receiver system in LiDAR applications may include a medium range (50 meters or less) receiver optical system with a medium entrance pupil and small F-number and with a medium to wide field of view. The optical system may utilize optical filters, scanning mirrors, and a nominal one-dimensional SPAD (or SPADs) to increase the probability of positive photon events.
    Type: Grant
    Filed: August 21, 2017
    Date of Patent: February 11, 2020
    Assignee: Apple Inc.
    Inventors: Robert S. Upton, Chandra S. Kakani, Alexander Shpunt, Yuval Gerson
  • Patent number: 10539785
    Abstract: An optical system includes an aperture stop, and an optical member that is removably insertable in an optical path defined by an object side and an image side of the optical system, the optical member is disposed on the image side of the aperture stop. In a first focus range between infinity and a first finite distance, the optical member is removed from the optical path. In a second focus range between a second finite distance shorter than the first finite distance and a third finite distance shorter than the second finite distance, the optical member is inserted in the optical path. The thickness of the optical member on the optical axis and the focal length of the optical member are suitably determined.
    Type: Grant
    Filed: November 3, 2016
    Date of Patent: January 21, 2020
    Assignee: Canon Kabushiki Kaisha
    Inventor: Koji Aoki
  • Patent number: 10484845
    Abstract: An electronic notebook system is described that comprises a housing, a computing device, wireless interfaces, antennas, sensors, a touch display configured to receive input via a stylus and/or human digit input, the stylus comprising a pressure and/or an inclination sensor, a microphone, camera, the notebook system configured to provide a user condition interface, receive a user selection of a first user condition, provide an interface configured to receive user details, receive audible user details via the microphone, convert the audible user details received via the microphone to text, perform natural language processing to identify text keywords utilizing sentence segmentation, part-of-speech tagging, paraphrase recognition, and/or co-reference resolution, identify a condition based at least in part on the identified one or more keywords, dynamically generate an alert based at least in part on the identified condition, wirelessly transmit the generated alert to one or more destinations via at least a first
    Type: Grant
    Filed: January 17, 2019
    Date of Patent: November 19, 2019
    Inventor: Karen Elaine Khaleghi
  • Patent number: 10466454
    Abstract: A zoom optical system includes, disposed in order from an object, a first lens group (G1) having positive refractive power, a second lens group (G2) having negative refractive power, and a third lens group (G3) having positive refractive power, wherein at least a part of the second lens group (G2) or at least a part of the third lens group (G3) is configured to be movable, as a vibration-proofing lens group for correcting an image blur, so as to have a movement component in a direction perpendicular to an optical axis, and the following conditional expression is satisfied: 4.40<f1/(?f2)<8.00 where f1 denotes a focal length of the first lens group (G1), and f2 denotes a focal length of the second lens group (G2).
    Type: Grant
    Filed: September 6, 2016
    Date of Patent: November 5, 2019
    Assignee: Nikon Corporation
    Inventors: Tomoki Ito, Hiroshi Yamamoto
  • Patent number: 10459207
    Abstract: A zooming optical system is provided, which is constituted by, in order from an object: a first lens group having positive refractive power; a second lens group having negative refractive power; a third lens group having positive refractive power; a fourth lens group having negative refractive power; and a fifth lens group having positive refractive power. In the zooming optical system, the first lens group is moved along the optical axis upon zooming, at least a part of the second lens group to the fifth lens group being moved so as to include a component orthogonal to the optical axis, and the following conditional expressions are satisfied: 4.41<f1/(?f2)<5.33 and 2.15<f1/f3<4.95, where f1 denotes a focal length of the first lens group, f2 denotes a focal length of the second lens group, and f3 denotes a focal length of the third lens group.
    Type: Grant
    Filed: July 26, 2015
    Date of Patent: October 29, 2019
    Assignee: Nikon Corporation
    Inventor: Tomoki Ito
  • Patent number: 10451858
    Abstract: A first lens group having positive refractive power, a second lens group having negative refractive power, a third lens group having positive refractive power, a fourth lens group having positive refractive power, a fifth lens group are arranged in order from an object. Respective distances between the first and second lens groups, the second and third lens groups, the third and fourth lens groups, and the fourth lens and fifth lens groups change upon zooming, and a lens group arranged closest to an image is approximately fixed relative to an image surface upon zooming. The third lens group moves along the optical axis upon focusing, and the following expression (1) is satisfied: 0.480<f3/ft<4.000??(1) where ft denotes a focal length of the zoom optical system in a telephoto end state, and f3 denotes a focal length of the third lens group.
    Type: Grant
    Filed: October 20, 2016
    Date of Patent: October 22, 2019
    Assignee: Nikon Corporation
    Inventors: Akihiko Obama, Kensuke Uchida
  • Patent number: 10416421
    Abstract: Provided is a zoom lens, including, in order from an object side: a positive first lens unit; a negative second lens unit; an intermediate lens unit including at least one lens unit; a positive (N?1)-th lens unit; and a negative N-th lens unit, in which the (N?1)-th lens unit is configured to move for focusing, and in which a focal length fLM of the intermediate lens unit at a wide angle end, a focal length f(N?1) of the (N?1)-th lens unit, which consists of a single lens element, a focal length fN of the N-th lens unit, a distance DN on an optical axis from a lens surface closest to the object side of the N-th lens unit to a lens surface closest to the image side of the N-th lens unit, and a back focus BFw at the wide angle end are each appropriately set.
    Type: Grant
    Filed: March 30, 2018
    Date of Patent: September 17, 2019
    Assignee: CANON KABUSHIKI KAISHA
    Inventor: Shunji Iwamoto
  • Patent number: 10416412
    Abstract: A zoom image pickup apparatus includes a mount portion, a zoom lens which forms an image of light incident from the mount portion, and an image pickup element which is disposed at an image forming position. The zoom lens includes a plurality of lens unit, and a focusing lens unit, and the following conditional expressions (1) and (2) are satisfied: 1.5<fLt/fLw??(1), and |(yw7d??yw7d)/yw7d×100<0.66??(2).
    Type: Grant
    Filed: August 10, 2017
    Date of Patent: September 17, 2019
    Assignee: OLYMPUS CORPORATION
    Inventor: Keisuke Takada
  • Patent number: 10338357
    Abstract: Composing, in order from an object side along the optical axis, a first lens group having positive refractive power, and at least one lens group; upon varying magnification, an interval between the first lens group and a lens group at an image side of the first lens group and adjacent thereto being varied, said first lens group comprising a focusing lens group which is moved along the optical axis for focusing and a vibration reducing lens group that is movable to include a component in a direction perpendicular to the optical axis, thereby providing a an excellent optical performance upon focusing.
    Type: Grant
    Filed: January 29, 2017
    Date of Patent: July 2, 2019
    Assignee: Nikon Corporation
    Inventor: Kosuke Machida
  • Patent number: 10295803
    Abstract: A zoom lens includes, in order from the object side, a first lens unit having a positive refractive power that does not move for zooming, second to fourth lens units each having a negative refractive power that moves for zooming, and a relay lens unit having a positive refractive power and being closest to the image side that does not move for zooming. The second lens unit moves to the image side from the wide-angle end to the telephoto end. When a focal length fx determined by a focal length fw of the zoom lens at the wide-angle end and a zoom ratio Z is fx=fw×Z0.38, the zoom lens satisfies 0.05<L2 min/L2w<0.98, where L2 min is a minimum distance between the second and third lens units in a zoom range from the wide-angle end to the focal length fx, and L2w is a distance between them at the wide-angle end.
    Type: Grant
    Filed: November 21, 2017
    Date of Patent: May 21, 2019
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Masaru Sakamoto, Masakazu Kodaira
  • Patent number: 10288850
    Abstract: An optical imaging system includes lenses. A prism is disposed adjacent to a first lens of the lenses and a second lens of the lenses, and is configured to refract light from the first lens to the second lens. A reflecting member is disposed adjacent to a fifth lens of the lenses and an imaging plane, and is configured to reflect light from the fifth lens to the imaging plane.
    Type: Grant
    Filed: April 11, 2016
    Date of Patent: May 14, 2019
    Assignee: Samsung Electro-Mechanics Co., Ltd.
    Inventor: Jung Hui Ko
  • Patent number: 10268028
    Abstract: A zoom lens consists of a first lens-group having positive refractive-power, a second lens-group having negative refractive-power, a third lens-group having positive refractive-power, a fourth lens-group having negative refractive-power, and a fifth lens-group having positive refractive-power in this order from an object-side. The third lens-group includes a cemented lens closest to an image-side consisting of a negative lens and a positive lens in this order from the object-side, and a cemented surface of which is convex toward the object-side. Further, distances between the lens-groups change, and the fifth lens-group is fixed, and at least the first lens-group and the fourth lens-group move in such a manner that the first lens-group and the fourth lens-group are located closer to the object-side at a telephoto-end than their positions at a wide-angle-end, respectively, when magnification is changed from the wide-angle-end to the telephoto-end. Further, the following conditional expression is satisfied: 3.
    Type: Grant
    Filed: March 12, 2015
    Date of Patent: April 23, 2019
    Assignee: FUJIFILM Corporation
    Inventor: Hiroki Saito
  • Patent number: 10197778
    Abstract: A zoom lens includes, in order from an object side to an image side: a negative first lens unit; a negative second lens unit; and a positive third lens unit, in which the first lens unit is not moved for zooming, the second lens unit and the third lens unit are moved during zooming, and an interval between each pair of adjacent lens units is changed during zooming, in which the first lens unit includes at least two negative lenses, and a focal length of the first lens unit, a focal length of the zoom lens at a wide angle end, a focal length of the zoom lens at a telephoto end, an interval on an optical axis between the first lens unit and the second lens unit at the wide angle end, and a back focus at the wide angle end are appropriately set.
    Type: Grant
    Filed: September 26, 2017
    Date of Patent: February 5, 2019
    Assignee: CANON KABUSHIKI KAISHA
    Inventors: Kenta Sudo, Shinji Yamasaki
  • Patent number: 10180563
    Abstract: An optical lens is provided. The optical lens includes, in order from an object side to an image-forming side, a first lens having refractive power, a second lens having negative refractive power, a third lens having negative refractive power, a fourth lens having positive refractive power, a fifth lens having refractive power, a sixth lens having refractive power, a seventh lens having refractive power, an eighth lens having refractive power and a ninth lens having positive refractive power. The sixth lens, the seventh lens and the eighth lens constitute a composite lens, or the sixth lens and the seventh lens constitute a composite lens, or the seventh lens and the eighth lens constitute a composite lens.
    Type: Grant
    Filed: April 12, 2017
    Date of Patent: January 15, 2019
    Assignee: ABILITY ENTERPRISE CO., LTD.
    Inventor: Chia-Hung Chen
  • Patent number: 10133040
    Abstract: A first lens group (G1) having a positive refractive power, a second lens group (G2) having a negative refractive power, a third lens group (G3) having a positive refractive power, a fourth lens group (G4) having a negative refractive power, and a fifth lens group (G5) having a positive refractive power are arranged in order along an optical axis from an object, and distances between each lens group change when zooming, and the first lens group (G1) is composed of two lenses, and the following expression (1) is satisfied: 0.07<D1/fw<0.46 where D1 denotes a thickness on the optical axis of the first lens group (G1), and fw denotes a focal length of the zoom lens (ZL) in a wide-angle end state.
    Type: Grant
    Filed: May 21, 2016
    Date of Patent: November 20, 2018
    Assignee: Nikon Corporation
    Inventor: Atsushi Suzuki
  • Patent number: 10078202
    Abstract: Provided is a zoom lens, including: a front lens group only including one or more positive lens unit; a magnification-varying lens unit consisting of a negative lens unit which moves during zooming; and a positive rear lens group including a plurality of lens units, in which an interval between adjacent lens units is changed during zooming, in which front lens group includes a positive focusing unit La, in which rear lens group includes a focusing unit Lb, in which focusing unit La moves toward object side and focusing unit Lb moves toward one of object side and image side, during focusing from infinity to close distance, and a movement amount of focusing unit La at a wide angle end during focusing from infinity to closest distance, and a movement amount of focusing unit La at a telephoto end during focusing from infinity to closest distance are each appropriately set.
    Type: Grant
    Filed: March 24, 2017
    Date of Patent: September 18, 2018
    Assignee: CANON KABUSHIKI KAISHA
    Inventor: Shunji Iwamoto
  • Patent number: 10073255
    Abstract: A single focal length lens includes an aperture stop and first through fourth lens units having, respectively, negative refractive power, positive refractive power, negative refractive power, and positive refractive power. Positions of the first, second, and fourth lens units are fixed. When focusing from an object at infinity to an object at a short distance, the third lens unit moves toward the image side. Conditional expressions (1), (2), and (3) are satisfied: ?5<f1/f<?0.5??(1), ?10<f3/f<?1??(2), and 0.5<f12/f<1??(3), where f1 denotes a focal length of the first lens unit, f denotes a focal length of an overall single focal length lens system when focusing to an object at infinity, f3 denotes a focal length of the third lens unit, and f12 denotes a combined focal length of the first and second lens units.
    Type: Grant
    Filed: April 24, 2017
    Date of Patent: September 11, 2018
    Assignee: OLYMPUS CORPORATION
    Inventors: Masaru Morooka, Kenichi Nagasawa
  • Patent number: 10067313
    Abstract: An imaging lens includes a first lens group having positive refractive power; a second lens group having positive refractive power; and a third lens group having negative refractive power, arranged in this order from an object side to an image plane side. The first lens group includes a first lens having positive refractive power, a second lens having positive refractive power, and a third lens having negative refractive power. The second lens group includes a fourth lens and a fifth lens. The third lens group includes a sixth lens having negative refractive power and a seventh lens having negative refractive power. The first lens, the second lens, the third lens, and the seventh lens have specific Abbe's numbers. The first lens and the second lens have specific focal lengths.
    Type: Grant
    Filed: September 9, 2016
    Date of Patent: September 4, 2018
    Assignees: OPTICAL LOGIC INC., KANTATSU CO., LTD.
    Inventors: Yoji Kubota, Kenichi Kubota, Hitoshi Hirano, Tomohiro Yonezawa
  • Patent number: 10054779
    Abstract: An apochromatic microscope objective, including three optical sub-systems, wherein starting from the object plane, the first sub-system includes a meniscus and a convergent lens, wherein the meniscus is curved towards the object plane, the second sub-system is made up of three elements, wherein a first element includes a meniscus or a cemented element, a second element is configured as a collecting cemented element and a third element is a cemented element, and wherein either the first element or the third element is strongly scattering and the third sub-system has at least one cemented element with a collecting lens.
    Type: Grant
    Filed: February 6, 2015
    Date of Patent: August 21, 2018
    Assignee: Carl Zeiss Microscopy GmbH
    Inventor: Rolf Wartmann