Patents Examined by Mohammed A Hasan
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Patent number: 11857255Abstract: An ophthalmic apparatus that includes an image capturing unit configured to capture a target part of a subject eye; a processor; and a memory storing computer-readable instructions therein. The computer-readable instructions, when executed by the processor, may cause the ophthalmic apparatus to execute: acquiring a first image of the target part captured at a first timing by the image capturing unit and a second image of the target part captured at a second timing different from the first timing; and combining the first image with the second image to generate one combined image of the target part.Type: GrantFiled: October 8, 2020Date of Patent: January 2, 2024Assignee: Tomey CorporationInventors: Risa Higashita, Keiichiro Okamoto
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Patent number: 11861966Abstract: An optical device includes an array of lenses and a plurality of first and second segments disposed under the array of lenses. At a first viewing angle, the array of lenses presents a first image for viewing without presenting the second image for viewing, and at a second viewing angle different from the first viewing angle, the array of lenses presents for viewing the second image without presenting the first image for viewing. In some examples, individual ones of the first and second segments can comprise specular reflecting, transparent, diffusely reflecting, and/or diffusely transmissive features. In some examples, individual ones of the first and second segments can comprise transparent and non-transparent regions. Some examples can incorporate more than one region producing an optical effect.Type: GrantFiled: September 2, 2021Date of Patent: January 2, 2024Assignee: WAVEFRONT TECHNOLOGY, INC.Inventors: Christopher Chapman Rich, Joel Mikael Petersen, Roger Winston Phillips, John Michael Tamkin
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Patent number: 11857259Abstract: An eye measurement system includes an optical system. The eye measurement system is disposed in a housing which includes an aperture for providing light to and from the optical system and a subject's eye while the subject is separated and spaced apart from the housing, and the eye is not maintained in a fixed positional relationship with respect to the housing. An optical system movement arrangement moves the optical system. An automatic eye tracking arrangement ascertains a current positional relationship of the eye with respect to the optical system without human assistance, and in response thereto controls the optical system movement arrangement to move the optical system into a predetermined positional relationship with respect to the eye, for measurement of the eye, without human assistance. The eye measurement system can make objective, and/or subjective, refraction measurements of the eye.Type: GrantFiled: April 7, 2022Date of Patent: January 2, 2024Assignee: Scintellite, LLCInventors: Thomas Daniel Raymond, Stephen W Farrer
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Patent number: 11859946Abstract: Rifle scopes with a locking feature including a body having an internal movable optical adjustor adapted to shift an image generated by the riflescope, a knob connected to the body for rotation about a knob axis and operably connected to the optical adjustor to position the optical adjustor based on a rotational position of the knob, an indicator skirt rotatably engaged to the body and threadedly engaged to the knob, the indicator skirt being operable to move axially with respect to the knob such that the axial position of the indicator skirt is based on the rotational position of the knob, and the knob including a knob stop surface and the indicator skirt including a skirt stop surface, wherein the knob stop surface and the skirt stop surface are configured to positively contact each other to establish a limit of rotational travel of the knob.Type: GrantFiled: January 10, 2022Date of Patent: January 2, 2024Assignee: Leupold & Stevens, Inc.Inventors: Matthew C. Davis, Todd A. Juenemann
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Patent number: 11851005Abstract: A visualization system that includes a support member, defining an outer surface and an inner surface, and a visualization device having at least one display device extending on the inner surface of the support member and at least one image acquisition device. The acquisition device includes an image sensor and a base and is movable in relation to the support member between a deployed position, in which the base extends mainly on the outer surface side of the support member, and a retracted position, wherein the base extends mainly on the inner surface side of the support member.Type: GrantFiled: May 22, 2021Date of Patent: December 26, 2023Assignee: FAURECIA INTERIEUR INDUSTRIEInventors: Julien Beauregard, Fernandez Rayar, Thibault Le Mesnil
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Patent number: 11849997Abstract: Apparatuses or methods for determining a refractive error of an eye are disclosed. An intensity of light coming from an eye is measured, using a detector device, through at least two or at least three different apertures of the aperture device. The refractive error is then calculated based on the measured intensities.Type: GrantFiled: March 10, 2023Date of Patent: December 26, 2023Assignee: Carl Zeiss Vision International GmbHInventors: Nikolai Suchkov, Alexander Leube, Siegfried Wahl
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Patent number: 11850001Abstract: Meta-lens based ocular imaging, near-eye display, and eye-tracking systems are described. The systems can include a single focusing optic and an integrated circuit that provides illumination light and includes an imaging array. The focusing optic includes meta-atoms formed on a substrate. The systems may have no moving parts and achieve imaging or image-projection fields-of-view approaching or exceeding 180 degrees. Because of their low part count, the systems can be robust and have a very small form factor.Type: GrantFiled: December 20, 2021Date of Patent: December 26, 2023Assignee: Massachusetts Institute of TechnologyInventors: Juejun Hu, Tian Gu, Mikhail Shalaginov, Fan Yang
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Patent number: 11849998Abstract: The present invention relates to a system and method for pupil tracking and eye-markers extracting using an image acquisition device such as a visible-light camera shooting a non-static head. In an embodiment of the present invention eye-markers are extracted from one eye or from both eyes. The extraction from both eyes uses for averaging the results of the two eyes when abnormalities are detected in one of the eyes. In addition, the invention relates to a computerized application, which interacts with a user (for example trough a game or movie, usually in a context of biofeedback), and takes video shooting of the users face and eyes during said interaction.Type: GrantFiled: July 15, 2022Date of Patent: December 26, 2023Assignee: BIOEYE LTD.Inventors: Yossi Rubner, Eran Ferri
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Patent number: 11844571Abstract: The technology described in this document can be embodied in systems and computer-implemented methods for determining a score representing an amount of staining of the cornea. The methods include obtaining a digital image of the cornea stained with a tracer material, receiving a selection of a portion of the image, and processing, by a processing device, the selection to exclude areas with one or more artifacts to define an evaluation area. For each of a plurality of pixels within the evaluation area, a plurality of Cartesian color components are determined and a hue value in a polar coordinate based color space is calculated from the components. An amount of staining of the cornea is then determined as a function of the hue value. The methods also include assigning a score to the evaluation area based on the amount of staining calculated for the plurality of pixels.Type: GrantFiled: May 6, 2022Date of Patent: December 19, 2023Assignee: Massachusetts Eye and Ear InfirmaryInventors: Reza Dana, Francisco L. Amparo Pulido, Haobing Wang
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Patent number: 11846779Abstract: An optical assembly includes a plurality of successive optical stages that are configured to transmit light at a variable overall optical power by configuring one or more stages of the successive optical stages. A respective optical stage of the successive optical stages includes an active optical element that is configurable to be in a first state at a first time and a second state at a second time that is distinct from the first time. The active optical element, in the first state, has a first respective optical power for light of a first polarization and a second respective optical power, that is different from the first respective optical power, for light of a second polarization that is orthogonal to the first polarization. The active optical element, in the second state, has a third optical power for light of the first polarization and light of the second polarization.Type: GrantFiled: October 6, 2021Date of Patent: December 19, 2023Assignee: META PLATFORMS TECHNOLOGIES, LLCInventors: Afsoon Jamali, Wai Sze Tiffany Lam, Brian Wheelwright, Lu Lu, Douglas Robert Lanman
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Patent number: 11841555Abstract: A measure method and a measure device are provided. The measure method includes: scanning a face of a testee wearing a positioning frame to obtain pupil positions, visual directions, and a 3D face model, the 3D face model wears a positioning frame model corresponding to the positioning frame; superposing a 3D glasses reference model on the positioning frame model of the 3D face model; calculating an inner intersection point of the visual directions and the 3D glasses reference model; and calculating out a back vertex distance according to the pupil positions and the inner intersection point and calculate an angle between a lens plane line of the 3D glasses reference model and a space vertical line to regard as a pantoscopic tilt.Type: GrantFiled: November 27, 2020Date of Patent: December 12, 2023Assignee: ASUSTEK COMPUTER INC.Inventor: Chia-Hui Han
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Patent number: 11839430Abstract: In accordance with one aspect of the present invention, an optical coherence tomography-based ophthalmic testing center system includes an optical coherence tomography instrument comprising an eyepiece for receiving at least one eye of a user or subject; a light source that outputs light that is directed through the eyepiece into the user's or subject's eye, an interferometer configured to produce optical interference using light reflected from the user's/subject's eye, an optical detector disposed so as to detect said optical interference; and a processing unit coupled to the detector. The ophthalmic testing center system can be configured to perform a multitude of self-administered functional and/or structural ophthalmic tests and output the test data.Type: GrantFiled: February 17, 2021Date of Patent: December 12, 2023Assignee: Doheny Eye InstituteInventors: Alexander C. Walsh, Paul G. Updike, Srinivas R. Sadda
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Patent number: 11839429Abstract: A system (1) for the quantification of ocular dominance is described, comprising acquisition means (3) of graphic elements, a target element (5) disposed at a first distance (D1) from the acquisition means (3), tracking means (4) operatively cooperating with the acquisition means (3) to acquire the graphic elements, the tracking means (4) being provided to allow at least one user placed at a second distance (D2) from the acquisition means (3) to trace and represent on the acquisition medium (3) such graphic elements, the system further comprising processing means provided for quantifying the dominance eyepiece of the user; a process for quantifying ocular dominance by means of the above system (1) is also described.Type: GrantFiled: September 9, 2021Date of Patent: December 12, 2023Assignee: VISIONBALANCE TECH SRLInventors: Uri Hasson, Giuseppe Notaro, Valeria D'Andrea
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Patent number: 11838693Abstract: Controlling a mirror in a MEMS based projector. A method includes iteratively performing various acts. The method includes inputting a time domain target wave array, with target elements, to a system for a MEMS coupled to the mirror of the projector. The time domain target wave array includes a set of n target elements. The method further includes driving the driver to move the mirror using elements in a drive array comprising a set of drive elements. The method further includes sampling a time domain output wave for the movement of the mirror to construct an output wave array with output elements corresponding to the target elements. The method further includes identifying errors between the target elements and the output elements. The method further includes modifying the drive elements in the drive array to attempt to minimize the errors when driving the MEMS on subsequent drive cycles.Type: GrantFiled: May 20, 2021Date of Patent: December 5, 2023Assignee: Microsoft Technology Licensing, LLCInventors: Gregory Theodore Gibson, Algird Michael Gudaitis
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Patent number: 11826099Abstract: A system for ordering spectacles is provided. The system includes a virtual reality headset having a display and an adjustable lens assembly configured for selectively adjusting optical parameters thereof. The adjustable lens assembly is disposed with respect to the display such that optical path between is adjusted in accordance with the optical parameters. The system further includes a server having a database of images of eyeglasses frames, an input device configured for selecting a frame from the server, and a controller configured to adjust optical parameters of the adjustable lens assembly to correct vision impairment and to display on the display virtual reality images simulating view through the selected frame with lenses having the optical parameters.Type: GrantFiled: May 18, 2022Date of Patent: November 28, 2023Inventors: Ori Raviv, Abraham Sela, Andrey Markus
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Patent number: 11819271Abstract: System and method directed towards providing full and even illumination of a patient's retina through lighting integrated into a handheld fundus lens. By integrating the lighting, the method and system reduces and even eliminate many lens artifacts and reflections. By increasing the accuracy, quality, and field of view afforded during clinical examination of the retina, the method and system will allow practitioners to make more accurate diagnoses and will increase safety during retinal surgical procedures.Type: GrantFiled: May 10, 2021Date of Patent: November 21, 2023Assignee: University of Virginia Patent FoundationInventor: Paul Andrew Yates
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Patent number: 11806076Abstract: An ophthalmologic apparatus of an embodiment example includes a front image acquiring device, a first search processor, and a second search processor. The front image acquiring device is configured to acquire a front image of a fundus of a subject's eye. The first search processor is configured to search for an interested region corresponding to an interested site of the fundus based on a brightness variation in the front image. The second search processor is configured to search for the interested region by template matching between the front image and a template image in the event that the interested region has not been detected by the first search processor.Type: GrantFiled: August 19, 2022Date of Patent: November 7, 2023Assignee: TOPCON CORPORATIONInventors: Yusuke Ono, Hiroyuki Aoki
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Patent number: 11800972Abstract: A supercontinuum light source can include a seed laser arranged to provide seed pulses with a pulse frequency Fseed; a pulse frequency multiplier (PFM) arranged to multiply the seed pulses by converting pulses having the pulse frequency Fseed to pump pulses with a pulse frequency Fpump, where Fpump is larger than Fseed; and a non-linear element arranged to receive said pump pulses and convert said pump pulses to pulses of supercontinuum light. The PFM can further include a splitter for splitting pulses into first and second sub beams each having the same pulse frequency, where the PFM is configured such that the sub beams experience different delays; and a combiner for combining said first and second sub beams into a beam having the pulse frequency that is greater than said same pulse frequency. The splitter can have an uneven splitter ratio.Type: GrantFiled: September 29, 2021Date of Patent: October 31, 2023Assignee: NKT PHOTONICS A/SInventors: Carsten L. Thomsen, Thomas Vestergaard Andersen, Thomas Feuchter
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Patent number: 11803028Abstract: The present invention relates to a lens driving apparatus, comprising: a cover member which comprises an upper plate and a side plate extending downwardly from the upper plate; a housing which is located in an inner space formed by the upper plate and the side plate; a base which is positioned below the housing; a first driving unit which is positioned in the housing; a second driving unit which is located in the base and has an electromagnetic interaction with the first driving unit; and a side support member which elastically supports the housing with respect to the base, wherein the cover member comprises a first round portion formed to be rounded in at least a part of portion at which the upper plate and the side plate meet, and the housing comprises a second round portion which is formed in a part of the housing corresponding to the first round portion and has a curvature radius which is smaller than or equal to a curvature radius of the first round portion.Type: GrantFiled: August 9, 2022Date of Patent: October 31, 2023Assignee: LG INNOTEK CO., LTD.Inventors: Tae Jin Jung, Sang Jun Min
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Patent number: 11786120Abstract: A retinal imaging system includes an eyepiece lens assembly, an image sensor, a dynamic fixation target viewable through the eyepiece lens assembly, and a controller coupled to the image sensor and the dynamic fixation target. The controller includes logic that causes the retinal imaging system to perform operations including: acquiring a first image of the eye, analyzing the first image to determine whether a misalignment between the eye and the eyepiece lens assembly is present; in response to determining the misalignment is present, adjusting a visual position of the dynamic fixation target to encourage the eye to rotate in a direction that compensates for the misalignment, and acquiring the retinal image of the eye after adjusting the visual position of the dynamic fixation target.Type: GrantFiled: June 14, 2022Date of Patent: October 17, 2023Assignee: Verily Life Sciences LLCInventors: Eliezer Glik, Sam Kavusi