Patents Examined by Balram T Parbadia
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Patent number: 10859887Abstract: Various embodiments herein relate to power distribution networks for optically switchable windows. In some embodiments, a system for monitoring and maintaining a power distribution network of optically switchable windows of a site is provided. The system includes a control panel monitor which is configured to determine a control panel voltage and current at a terminal of a control panel. The system further includes sense circuitry which is configured to determine a first window controller voltage and current for a first window controller of a plurality of window controllers. The system further includes one or more controllers which are configured to generate voltage network data based on a combination of the control panel voltage and current and the first window controller voltage and current. The system then determines an error condition in the power distribution network based on the voltage network data.Type: GrantFiled: June 12, 2019Date of Patent: December 8, 2020Assignee: View, Inc.Inventors: Jose Vigano, Stephen Clark Brown, Dhairya Shrivastava, Kevin Kazuo Kaneshiro
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Patent number: 10858883Abstract: An optical body includes a first optical transparent layer having quadrangular pyramid-shaped depressions, a wavelength-selective reflecting layer formed on the depressions and selectively reflecting light of a specific wavelength band, and a second optical transparent layer formed on the wavelength-selective reflecting layer. When (?, ?) is taken as the incident angle (?: angle between perpendicular line relative to second optical transparent layer acting as incident surface and light incident on incident surface; ?: angle between specific straight line within incident surface and component resulting from projection of incident light on incident surface), with respect to incident light that is incident on the incident surface from different ? directions at ?=60°, the optical body has an average reflection angle of reflected light to the same quadrant as the incident light of 30° or more.Type: GrantFiled: March 22, 2017Date of Patent: December 8, 2020Assignee: Dexerials CorporationInventors: Mitsuo Arima, Atsushi Shibuya, Tsutomu Nagahama
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Patent number: 10852525Abstract: The binocular system 100 includes monoculars 10, 20 in pairs and a coupling portion 30 coupling the monoculars 10, 20 in pairs, wherein: one monocular 10 has a connecting portion 11 on a side of an objective lens 13 thereof; the other monocular 20 has a connected portion 22 connectable to the connecting portion 11 on a side of an eye lens 24 thereof; the coupling portion 30 includes a first coupling portion 31 formed integrally with the one monocular 10, a second coupling portion 32 formed integrally with the other monocular 20, and a hinge portion 33 coupling the first coupling portion 31 and the second coupling portion 32 in such a manner that a mutual bending angle therebetween is adjustable centering around a bending axis B; and the one monocular 10 and the other monocular 20 are detachable from each other.Type: GrantFiled: October 3, 2018Date of Patent: December 1, 2020Assignee: KAMAKURA KOKI CO., LTD.Inventors: Toshiya Kamakura, Naomi Watanabe, Kazuki Shiraishi
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Patent number: 10852518Abstract: Provided are systems and methods for analyte detection and analysis. A system can comprise an open substrate. The open substrate may be configured to rotate or otherwise move. The open substrate can comprise an array of individually addressable locations, with analytes immobilized thereto. The substrate may be spatially indexed to identify nucleic acid molecules from one or more sources, and/or sequences thereof, with the respective one or more sources. A solution comprising a plurality of probes may be directed across the array to couple at least one of the plurality of probes with at least one of the analytes to form a bound probe. A detector can be configured to detect a signal from the bound probe via scanning of the substrate while minimizing temperature fluctuations of the substrate or optical aberrations caused by bubbles.Type: GrantFiled: November 7, 2019Date of Patent: December 1, 2020Assignee: ULTIMA GENOMICS, INC.Inventors: Gilad Almogy, Nathan Beckett, Nathan Caswell, Jacob A. Wolf, Gene Polovy, Denis Pristinski
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Patent number: 10845518Abstract: A display apparatus for displaying an image to a user includes: a display panel configured to generate visible light; and an optical functional layer including: a matrix mixed with a plurality of optical functional particles that are colored, wherein the optical functional layer is at a side of the display panel such that at least a part of the visible light from the display panel would pass through the optical functional layer.Type: GrantFiled: May 23, 2019Date of Patent: November 24, 2020Assignee: Samsung Display Co., Ltd.Inventors: Gyeongim Lee, Jangseok Ma, Namseok Baik, Junghee Son, Sangwoo An, Dukjin Lee
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Patent number: 10845516Abstract: A diffractive optical element is provided that includes a first resin layer having steps on one surface, a second resin layer integrated with the first resin layer in tight contact, and a high refractive index layer disposed between a wall surface of the first resin layer and a wall surface of the second resin layer, wherein the high refractive index layer has a refractive index higher than those of the first resin layer and of the second resin layer, and the high refractive index layer is formed continuously to extend beyond the boundary between the wall surface and the inclined surface adjacent thereto, and to partly overlap the inclined surface.Type: GrantFiled: February 13, 2018Date of Patent: November 24, 2020Assignee: Canon Kabushiki KaishaInventor: Kenichi Iwata
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Patent number: 10845582Abstract: An coronagraph optical system and method for continuously imaging a wide field of view that includes the Sun. Examples of the coronagraph optical system include an all-reflective foreoptics assembly that receives light rays from a viewed scene and a direct solar image of the Sun, a sensor assembly configured to produce an image of the viewed scene, an all-reflective relay optics assembly configured to receive the light rays from the foreoptics assembly and to reflect the light rays to the sensor assembly, and a solar rejection optical component positioned between the foreoptics assembly and the relay optics assembly and dynamically configurable such that the direct solar image of the Sun is reflected away from the relay optics assembly and the light rays are reflected to the relay optics assembly while an entrance aperture of the foreoptics assembly is continuously positioned towards the Sun.Type: GrantFiled: June 7, 2018Date of Patent: November 24, 2020Assignee: RAYTHEON COMPANYInventor: Lacy G. Cook
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Patent number: 10845574Abstract: An optical imaging system includes a first lens having a positive refractive power, an image-side surface of the first lens being concave, a second lens, a third lens, an image-side surface of the third lens being concave, a fourth lens, a fifth lens, an image-side surface of the fifth lens being concave, and a sixth lens having a positive refractive power and having an inflection point formed on an image-side surface, wherein an F number of the optical imaging system is lower than 2.2.Type: GrantFiled: February 13, 2017Date of Patent: November 24, 2020Assignee: Samsung Electro-Mechanics Co., Ltd.Inventor: Il Yong Park
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Patent number: 10845596Abstract: A waveguide display includes a substrate having two opposite surfaces, and a slanted grating at a first surface of the two opposite surfaces of the substrate. The slanted grating includes a plurality of ridges and is characterized by a grating period in one direction. The plurality of ridges is tilted at a slant angle with respect to a surface normal of the first surface and is characterized by a height. The height of the plurality of ridges, the grating period, and the slant angle are configured to cause destructive interference between ambient light diffracted by the slanted grating. In some embodiments, a difference between the height of the plurality of ridges and an integer multiple of the grating period divided by the tangent of the slant angle is less than a threshold value.Type: GrantFiled: January 23, 2018Date of Patent: November 24, 2020Assignee: FACEBOOK TECHNOLOGIES, LLCInventors: Hee Yoon Lee, Ningfeng Huang, Giuseppe Calafiore, Pasi Saarikko
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Patent number: 10845622Abstract: A contact lens product includes a multifocal contact lens and a buffer solution. The multifocal contact lens is immersed in the buffer solution. The multifocal contact lens includes a central region and at least one annular region. The annular region concentrically surrounds the central region, and a diopter of the annular region is different from a diopter of the central region. The multifocal contact lens is made of silicone hydrogel or hydrogel. The annular region closest to a periphery of the multifocal contact lens is a first annular region.Type: GrantFiled: June 19, 2019Date of Patent: November 24, 2020Assignee: LARGAN MEDICAL CO., LTD.Inventors: En-Ping Lin, Wei-Yuan Chen, Chun-Hung Teng
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Patent number: 10845508Abstract: An optical system comprises an optical sensor configured to receive light within one or more bandwidths of interest and an optical stack placed optically in front of the optical sensor. The optical stack comprises a polymeric layer optically transparent to at least the one or more bandwidths of interest, and a matching index layer positioned optically in front of the polymeric layer, the matching index layer and polymeric layer having refractive indexes within a threshold similarity. The optical stack further includes a bumpy diffuse surface embedded between the polymeric layer and the matching index layer, and a partially reflective layer positioned in between the bumpy diffuse surface and the matching index layer, the partially reflective layer configured to at least partially reflect at least some wavelengths outside the one or more bandwidths of interest.Type: GrantFiled: May 31, 2018Date of Patent: November 24, 2020Assignee: Microsoft Technology Licensing, LLCInventor: Karlton David Powell
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Patent number: 10831038Abstract: To provide a stereo viewer and/or a stereo view finder that enables a stereo image displayed on an electronic display to be easily visualized and to enhance portability so as to be easily and conveniently carried when photographing and viewing the stereo image outside. There is provided a stereo viewer/stereo view finder (1) including a foldable light shielding hood (10) attached on a liquid crystal display (D), and a magnifying lens (20) including a pair of lenses (21R, 21L) for viewing stereo images (SR, SL) and a lens folder (22), the magnifying lens being attached to a front inner wall surface (11a) of the light shielding hood (10) by way of a hinge (23) and being developable to be parallel to the liquid crystal display (D).Type: GrantFiled: March 10, 2015Date of Patent: November 10, 2020Inventor: Minoru Inaba
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Patent number: 10830998Abstract: An imaging lens includes, in order from an object side to an image side, a first lens having two surfaces both being convex aspheric surfaces; a second lens being aspherical and having a negative refractive power; a third lens being aspherical and having a positive refractive power; a fourth lens being aspherical and having a negative refractive power; and a fifth lens being aspherical, the fifth lens having a concave rear surface facing the image side on the optical axis, the rear surface having an inflection point at a position near its circumference, the fifth lens having a front surface facing the object side, the front surface having a smaller curvature than any other lens surface, and the fifth lens serves also as an infrared cut filter; wherein the imaging lens satisfies the following conditions: (1) TTL/2ih<0.85; and (2) 0.7<ih/f<1.1.Type: GrantFiled: December 29, 2018Date of Patent: November 10, 2020Assignees: NANCHANG O-FILM OPTICAL-ELECTRONIC TECH CO., LTD, O-FILM. JAPAN CO., LTD.Inventor: Tomio Tabata
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Patent number: 10831000Abstract: An optical lens assembly for generating light beams from near infrared light beams emitted by a structured light generating unit having light sources and passed through the optical lens assembly is provided. The optical lens assembly includes a first lens element, a second lens element and a third lens element arranged along an optical axis in a sequence from a light output side to a light input side. The optical lens assembly satisfies: SL/AAG?6.500, wherein SL is a distance from an optical surface of one of an optical elements closest to the light output side of the optical lens assembly to the structured light generating unit having the plurality of light sources along the optical axis, and AAG is a sum of the air gaps among all lenses having refracting power of the optical lens assembly along the optical axis.Type: GrantFiled: January 9, 2019Date of Patent: November 10, 2020Assignee: GENIUS ELECTRONIC OPTICAL (XIAMEN) CO., LTD.Inventors: Jinhui Gong, Qingzhi Zhu, Jiali Lian
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Patent number: 10824040Abstract: Methods and materials to fabricate electrochromic including electrochemical devices are disclosed. In particular, emphasis is placed on the composition, fabrication and incorporation of electrolytic sheets in these devices. Composition, fabrication and incorporation of redox layers and sealants suitable for these devices are also disclosed. Incorporation of EC devices in insulated glass system (IGU) windows is also disclosed.Type: GrantFiled: July 15, 2019Date of Patent: November 3, 2020Assignee: Polyceed Inc.Inventors: Anoop Agrawal, Lori L. Adams, John P. Cronin
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Patent number: 10823887Abstract: An inkjet is used to fabricate an optical device having a varying refractive index. The inkjet deposits a first material having a first refractive index and a second material having a second refractive index in a pattern on a substrate. The first material and/or the second material are processed to form an optical device having a refractive index that varies in one or two dimensions. The optical device is used in a virtual-reality system or augmented-reality system to provide angular selectivity from display to a user's eye.Type: GrantFiled: January 23, 2018Date of Patent: November 3, 2020Assignee: FACEBOOK TECHNOLOGIGEGS, LLCInventors: Giuseppe Calafiore, Austin Lane, Matthew E. Colburn
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Patent number: 10816804Abstract: A near-eye display system includes an optical system facing a display panel. The optical system includes an input filter, and output filter, and a variable-power catadioptric lens assembly disposed between the input and output filters. The input and output filters are configured, along with the catadioptric lens assembly to fold a path of display light from the display panel to a user's eye. The catadioptric lens assembly includes two or more lens elements disposed along an optical axis, each lens element having at least one surface with a freeform curvature. One of the lens elements is configured to be laterally translated relative to the other lens elements so as to change an optical power of the catadioptric lens assembly.Type: GrantFiled: August 31, 2018Date of Patent: October 27, 2020Assignee: GOOGLE LLCInventors: Oscar Martinez, Yi Qin, Jerome Carollo, Xinda Hu, Serge Bierhuizen
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Patent number: 10817052Abstract: Described herein is a human eye emulator device that emulates the human eye's responses to light. The human eye emulator device is based on an electro-optical liquid crystal eye model. The human eye emulator device includes a Pancharatnam berry phase (PBP) liquid crystal (LC) lens, a liquid crystal (LC) shutter glass, and a liquid crystal (LC) lens. The PBP LC lens emulates the cornea. The PBP LC lens receives light and refracts the received light. The LC shutter glass emulates the pupil. The LC shutter glass forms a dynamic aperture that transmits a portion of the light refracted by the PBP LC lens. The LC lens emulates the crystalline lens. The LC lens receives the portion of light transmitted by the LC shutter glass and refracts the received portion of light through the LC shutter glass onto an imaging surface.Type: GrantFiled: January 9, 2018Date of Patent: October 27, 2020Assignee: Facebook Technologies, LLCInventors: Lu Lu, Yusufu Njoni Bamaxam Sulai, Scott Charles McEldowney
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Patent number: 10816702Abstract: A high stiffness substrate for optical elements is described. The substrate includes a graphite finishing layer and a non-oxide ceramic base substrate. The non-oxide ceramic base substrate is preferably a carbide, such as boron carbide or silicon carbide. The graphite finishing layer may include a surface with low finish. Low finish may be achieved by diamond turning the graphite surface. The graphite finishing layer may be joined to the non-oxide base ceramic with a solder. A supplemental finishing layer may be formed on the graphite finishing layer. A reflective stack may be formed on the graphite or supplemental finishing layer. Methods for making the substrate are also described.Type: GrantFiled: March 10, 2017Date of Patent: October 27, 2020Assignee: Corning IncorporatedInventors: James Scott Sutherland, Leonard Gerard Wamboldt, Kenneth Smith Woodard
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Patent number: 10816759Abstract: The imaging lens includes at least one positive lens that satisfies predetermined conditional expressions (1) to (3) indicating conditions in which dispersion is relatively low and refractive index is high while having a negative rate of change of the refractive index. In a case where a lens that satisfies a conditional expression (4) meaning a low dispersion material is included, the lens that satisfies the conditional expression (4) satisfies a predetermined conditional expression (5).Type: GrantFiled: September 14, 2018Date of Patent: October 27, 2020Assignee: NANCHANG O-FILM OPTICAL-ELECTRONIC TECH CO., LTD.Inventors: Masaru Amano, Masao Mori, Taro Asami, Kazuyoshi Okada
