Patents Examined by Mahidere Sahle
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Patent number: 10203519Abstract: Methods for augmented reality, and to lenses, systems and methods for improving visual comfort of a wearer equipped with a head-mounted device configured for display of information content.Type: GrantFiled: March 10, 2015Date of Patent: February 12, 2019Assignee: Essilor InternationalInventors: Matthieu Guillot, Pauline Colas, Sebastien Fricker, Benjamin Rousseau
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Electrochromic system containing a Bragg reflector and method for controlling photochromic darkening
Patent number: 10203582Abstract: An electrochromic system and method for controlling photochromic darkening of an electrochromic device, the system including an EC device, a control unit, a voltage detector, and a power supply. The EC device includes a working electrode, a counter electrode, a solid-state polymer electrolyte disposed therebetween, and a Bragg reflector configured to selectively reflect UV radiation away from the working electrode. The control unit is configured to control a sweep voltage applied between the working and counter electrodes, such that the sweep voltage is applied when an open circuit voltage (OCV) between the working and counter electrodes is less than a threshold voltage.Type: GrantFiled: January 27, 2017Date of Patent: February 12, 2019Assignee: HELIOTROPE TECHNOLOGIES, INC.Inventors: Guillermo Garcia, Sourav Basu, Jason Holt -
Patent number: 10197775Abstract: Some embodiments include a fixed chassis structure and a moveable carriage body carrying one or more lenses. The carriage body is movably mounted to the chassis structure so as to limit a plurality of degrees of freedom of movement of the moveable carriage body but to allow movement along an optical axis through the one or more lenses. An inertial actuator is mounted to the moveable carriage body such that the axis of motion of the actuator is parallel to at least one allowed degree of freedom. The moveable carriage body is held in place with respect to the at least one allowed degree of freedom by one or more friction forces received at one or more mechanical contacts with the chassis structure. The inertial actuator is actionable to overcome the friction forces, and an inertial mass is mounted to the inertial actuator on a side opposite the carriage body.Type: GrantFiled: September 28, 2015Date of Patent: February 5, 2019Assignee: Apple Inc.Inventor: Richard J. Topliss
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Patent number: 10191300Abstract: The present disclosure is directed to lens, methods of making, designing lens and/or methods using lens in which performance may be improved by providing one or more steps in the central portion of the optical zone and one or more steps in the peripheral portion of the optic zone. In some embodiments, such lens may be useful for correcting refractive error of an eye and/or for controlling eye growth.Type: GrantFiled: December 10, 2013Date of Patent: January 29, 2019Assignee: Brien Holden Vision InstituteInventors: Brien Anthony Holden, Padmaja Rajagopal Sankaridurg, Klaus Ehrmann, Fabian Conrad, Arthur Ho
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Patent number: 10188287Abstract: An optical measurement system method for measuring a characteristic of a subject's eye use a probe beam having an infrared wavelength in the infrared spectrum to measure a refraction of the subject's eye at the infrared wavelength; capture at least two different Purkinje images at two different corresponding wavelengths from at least one surface of the lens of the subject's eye; determine from the at least two different Purkinje images a value for at least one parameter of the subject's eye; use the value of the at least one parameter to determine a customized chromatic adjustment factor for the subject's eye; and correct the measured refraction of the subject's eye at the infrared wavelength with the customized chromatic adjustment factor to determine a refraction of the subject's eye at a visible wavelength in the visible spectrum.Type: GrantFiled: September 30, 2016Date of Patent: January 29, 2019Assignee: AMO WaveFront Sciences, LLCInventors: Richard J. Copland, Daniel R. Neal, Thomas D. Raymond, Stephen W. Farrer
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Patent number: 10185199Abstract: A control system for a variable transmittance optical filter assembly includes a controller in communicatively coupled to a pair of load terminals, and a memory communicatively coupled to the controller and having encoded thereon statements and instructions executable by the controller to transition the optical filter assembly between operating states when coupled to the pair of load terminals. The controller is operable to perform any one or more of: allowing the optical filter assembly to transition to a dark state by shorting the load terminals together, maintaining the optical filter assembly in a hold mode by applying a pulse width modulated voltage signal across the load terminals, and transitioning the optical filter assembly between operative states by applying a voltage signal having voltage pulses of opposite polarities to the load terminals.Type: GrantFiled: January 26, 2017Date of Patent: January 22, 2019Assignee: SWITCH MATERIALS, INC.Inventors: Neil Robin Branda, Glen Ramsay Bremner, Jeremy Graham Finden, Corbin Abe Giesbrecht, Duhane Lam, Matt Andrew Pilapil, Matthew Paul Smit
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Patent number: 10179546Abstract: A display mirror assembly for a vehicle is presented that includes a full display module and an electro-optic element that includes a first substantially transparent substrate having first and second surfaces disposed on opposite sides thereof. The second surface includes a first electrically conductive layer. A second substantially transparent substrate has third and fourth surfaces disposed on opposite sides thereof. The third surface includes a second electrically conductive layer. A primary seal is disposed between the first and second substrates. The seal and the first and second substrates define a cavity therebetween. An electro-optic medium is disposed in the cavity. The electro-optic medium is variably transmissive such that the electro-optic medium is operable between generally clear and darkened states. A first electrical connection and a second electrical connection are positioned on the same side of the electro-optic element.Type: GrantFiled: September 28, 2016Date of Patent: January 15, 2019Assignee: GENTEX CORPORATIONInventors: David J. Cammenga, Joel A. Stray
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Patent number: 10174232Abstract: Electro-optic assemblies and related materials (e.g., adhesive) for use therein are generally provided. The adhesive layer may comprise an end-capped polyurethane. Some adhesive layers comprise two or more reactive functional groups (e.g., reactive functional groups configured to react with one or more curing species such that, for example, at least one of the two or more functional groups forms a crosslink). The adhesive may also comprise a chain-extending reagent that includes one or more reactive functional groups. In some embodiments, the adhesive is cured by reacting one or more reactive functional groups with one or more curing species. Curing the adhesive may comprise two or more curing steps. In some embodiments the adhesive layer may comprise one or more cross-linkers.Type: GrantFiled: September 29, 2016Date of Patent: January 8, 2019Assignee: E Ink CorporationInventors: Eugene Bzowej, David Darrell Miller, Ziyan Wu
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Patent number: 10168595Abstract: An electrodeposition element is provided which includes a first substrate including a first member and an electrode arranged above the first member, a second substrate arranged opposite to the first substrate and including an electrode, and an electrolyte layer arranged between the electrodes of the first substrate and the second substrate, and including an electrodeposition material that contains silver. When a voltage is applied between the electrodes of the first substrate and the second substrate such that the first substrate side is negative and the second substrate side is positive, a reflective surface made of a silver thin film and reflecting light, which is incident from a direction normal to the first and second substrates, in a direction not parallel to the incident direction of the light is formed above the electrode of the first substrate.Type: GrantFiled: October 12, 2015Date of Patent: January 1, 2019Assignees: STANLEY ELECTRIC CO., LTD., NATIONAL UNIVERSITY CORPORATION CHIBA UNIVERSITYInventors: Yasuo Toko, Manabu Yatabe, Norihisa Kobayashi
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Patent number: 10162240Abstract: Electrochromic devices and methods may employ the addition of a defect-mitigating insulating layer which prevents electronically conducting layers and/or electrochromically active layers from contacting layers of the opposite polarity and creating a short circuit in regions where defects form. In some embodiments, an encapsulating layer is provided to encapsulate particles and prevent them from ejecting from the device stack and risking a short circuit when subsequent layers are deposited. The insulating layer may have an electronic resistivity of between about 1 and 108 Ohm-cm. In some embodiments, the insulating layer contains one or more of the following metal oxides: aluminum oxide, zinc oxide, tin oxide, silicon aluminum oxide, cerium oxide, tungsten oxide, nickel tungsten oxide, and oxidized indium tin oxide. Carbides, nitrides, oxynitrides, and oxycarbides may also be used.Type: GrantFiled: October 16, 2015Date of Patent: December 25, 2018Assignee: View, Inc.Inventor: Robert T. Rozbicki
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Patent number: 10162201Abstract: Provided is an optical modulator in which low-voltage drive and a stable modulation characteristic are secured over a wide bandwidth.Type: GrantFiled: December 24, 2015Date of Patent: December 25, 2018Assignee: SUMITOMO OSAKA CEMENT CO., LTD.Inventors: Norikazu Miyazaki, Toshio Kataoka, Youichi Hosokawa, Kei Katou
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Patent number: 10129450Abstract: A system and method for ophthalmological imaging is provided for use with a mobile processing device, wherein the mobile processing device comprises a camera lens, light source, and processor configured to process images captured, received, and/or delivered by the mobile processing device. The mobile processing device adapted ophthalmological instrument system comprises housing segments, circuitry, lights, and a frustum cone, wherein the frustum cone comprises reference lines of a plurality of circular, frusto-conical, alternating transparent and opaque concentric rings in the conical surface in optical alignment with the mobile processing device's camera lens and subject's central cornea and/or tear-film layer(s).Type: GrantFiled: October 1, 2016Date of Patent: November 13, 2018Inventor: Tareq Issam Nabhan
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Patent number: 10126624Abstract: An electro-optic assembly is disclosed. The assembly comprises a front substrate having a first surface and a second surface substantially parallel to the first surface; a rear substrate spaced from and substantially parallel to the front substrate. The rear substrate comprises a third surface and a fourth surface substantially parallel to the third surface. The assembly further comprises an electrical contact for providing an electrical connection to an electrode in proximity to an electro-optic material and an appliqué layer. The appliqué layer is on at least a portion of the fourth surface and forms a contact-obscuring.Type: GrantFiled: September 20, 2016Date of Patent: November 13, 2018Assignee: GENTEX CORPORATIONInventors: David J. Cammenga, Adam R. Heintzelman, Joel A. Stray, Autumn W. Trombka
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Patent number: 10120157Abstract: A lens unit includes a correction lens that corrects movement of a focus position of an optical system, a holding frame that holds the lens, a stationary tube that movably supports the frame along a direction of an optical axis, a movement guide portion that is provided between the tube and the frame in a radial direction of the tube and limits rotation of the frame in a direction intersecting with a plane orthogonal to the optical axis and guides movement of the frame in the direction of the optical axis, bimetals that are provided between the tube and the frame in the direction of the optical axis and change a distance between the frame and the tube along the direction of the optical axis, and a first biasing means that relatively biases the frame against the tube via the movement guide portion in the radial direction of the tube.Type: GrantFiled: January 6, 2016Date of Patent: November 6, 2018Assignee: Konica Minolta, Inc.Inventors: Hiroki Kitamura, Atsushi Matsuura, Keisuke Kuryo
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Patent number: 10101591Abstract: A collimator having an overall bowl shape. The collimator is rotationally symmetrical about an optical axis of the collimator, and has an output wall, an input recess opposite the output wall, the input recess being defined by an internal side wall and an internal upper wall which interrupts the internal side wall in such a way as to define an intersection region, the internal side wall and the internal upper wall being designed to allow an incident light ray to enter the collimator peripherally and centrally, respectively, and a peripheral reflective wall joining the output wall to the internal side wall, the surface of the internal side wall being designed in such a way that a straight line, which is tangential to the internal side wall and joins the intersection region, passes through the focal point of the collimator.Type: GrantFiled: March 18, 2015Date of Patent: October 16, 2018Assignee: GAGGIONE SASInventor: Jean-Pierre Lauret
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Patent number: 10092180Abstract: OCT imaging systems are provided for imaging a spherical-type eye including a source having an associated source arm path and a reference arm having an associated reference arm path coupled to the source path. The reference arm path has an associated reference arm path length. A sample is also provided having an associated sample arm path coupled to the source arm and reference arm paths. A lens having a focal power optimized for a diameter of the spherical-type eye is provided along with a reference arm path length adjustment module coupled to the reference arm. The reference arm path length adjustment module is configured to automatically adjust the reference arm path length such that the reference arm path length is based on an eye diameter of the subject.Type: GrantFiled: November 13, 2017Date of Patent: October 9, 2018Assignee: Bioptigen, Inc.Inventors: Robert H. Hart, Eric L. Buckland, Glenn A. Myers, Joseph A. Izatt, Joseph Elliott Vance
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Patent number: 10088646Abstract: A motor for driving a lens is disclosed, wherein a yoke comprises a rotation prevention unit configured to prevent the bobbin from rotating.Type: GrantFiled: May 10, 2016Date of Patent: October 2, 2018Assignee: LG INNOTEK CO., LTD.Inventors: Sangjun Min, Taejin Jung, Soojin Jung
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Patent number: 10054769Abstract: A camera lens is disclosed. The camera lens includes: a first lens with positive refractive power; a second lens with negative refractive power; a third lens with negative refractive power; a fourth lens with positive refractive power; a fifth lens with negative refractive power which are arranged in an order from an object side to an image side. The camera lens is characterized in that it meets specified conditions.Type: GrantFiled: August 8, 2016Date of Patent: August 21, 2018Assignee: AAC TECHNOLOGIES PTE. LTD.Inventors: Jianming Wang, Han Tang, Hiroyuki Teraoka
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Patent number: 10054766Abstract: A photographing lens system and a photographing apparatus including the photographing lens system are provided. The photographing lens system may include a first lens having a negative refractive power, a second lens having a positive refractive power, a third lens having a negative refractive power, a fourth lens having a negative or positive refractive power, a fifth lens having a negative refractive power, and a sixth lens having a negative or positive refractive power. The first to sixth lenses may be sequentially arranged in a direction from an object side to an image side.Type: GrantFiled: March 3, 2016Date of Patent: August 21, 2018Assignee: Samsung Electronics Co., Ltd.Inventors: Hyun-jun Shin, Han-eung Kim, Jeong-kil Shin
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Patent number: 10052019Abstract: Imaging systems and methods of using the same are provided for monitoring the quantity of fluorescent pigment, for example lipofuscin, in the retinal pigment epithelium (RPE) layer of a retina in vivo. Various imaging modalities can be integrated into a single system and excited by a single broadband light source for the monitoring of the fluorescent pigment. The influence of varying optical properties found in the optical path of the pigment's auto-fluorescence between the RPE and an image receiver can be corrected.Type: GrantFiled: June 27, 2017Date of Patent: August 21, 2018Assignees: The Florida International University Board of Trustees, University of MiamiInventors: Shuliang Jiao, Rong Wen, Byron L. Lam