Patents Examined by Eric Wong
  • Patent number: 10705300
    Abstract: An optical connector holding two or more LC-type optical ferrules is provided. The optical connector includes an outer body, an inner front body accommodating the two or more LC-type optical ferrules, ferrule springs for urging the optical ferrules towards a mating connection, and a back body for supporting the ferrule springs. A removable inner front body for polarity change is disclosed. A multi-purpose rotatable boot assembly for polarity change is disclosed. The multi-purpose boot assembly can be pushed and pulled to insert and remove the micro connector from an adapter receptacle.
    Type: Grant
    Filed: March 28, 2019
    Date of Patent: July 7, 2020
    Assignee: Senko Advanced Components, Inc.
    Inventors: Kazuyoshi Takano, Jimmy Jun-Fu Chang
  • Patent number: 10703282
    Abstract: An electro-optic element of a display of a vehicle includes a first substantially transparent substrate defining a first surface and a second surface. A first edge extends around the first substrate. A second substantially transparent substrate defines a third surface and a fourth surface. A second edge extends around the second substrate. A primary seal is disposed between the first and second substrates. The seal and the first and second substrates define a cavity therebetween. First and second electrical buses are positioned on the first edge and the second edge, respectively. A dual coated film is positioned between the first and second electrical buses. An electro-optic material is positioned within the cavity.
    Type: Grant
    Filed: August 30, 2019
    Date of Patent: July 7, 2020
    Assignee: GENTEX CORPORATION
    Inventors: Adam R. Heintzelman, Juan C. Lara, Christopher M. Derry, David J Cammenga
  • Patent number: 10698162
    Abstract: An optical device for polarizing light including a polarization altering element operatively coupled to a light path associated with the first light coupling device and the second light coupling device is described. The optical device may further include a first waveguide portion including a first layer having parallel plane surfaces with the first waveguide portion having a first light coupling device. The optical device may also include a second waveguide portion including a second layer having parallel plane surfaces with the second waveguide portion having a second light coupling device.
    Type: Grant
    Filed: June 10, 2019
    Date of Patent: June 30, 2020
    Assignee: Akonia Holographics LLC
    Inventors: Mark R. Ayres, Friso Schlottau, Adam Urness, Kenneth E. Anderson
  • Patent number: 10690855
    Abstract: A device may splice, at a target splice point, a first end of a twisted fiber having a non-concentric core to an input end of a target fiber having a concentric core to form a spliced fiber wherein the concentric core of the target fiber and the non-concentric core of the twisted fiber have a particular offset at the target splice point. The device may taper at least a portion of the twisted fiber to form a tapered region of the spliced fiber and such that the particular offset at the target splice point corresponds to a pre-configured core offset wherein the target splice point is within the tapered region of the spliced fiber.
    Type: Grant
    Filed: September 17, 2019
    Date of Patent: June 23, 2020
    Assignee: Lumentum Operations LLC
    Inventors: Patrick Gregg, Richard D. Faulhaber, James J. Morehead, Vincent Petit, Martin H. Muendel
  • Patent number: 10690854
    Abstract: An optical fiber device may include a unitary core including a primary section and a secondary section, wherein at least a portion of the secondary section is offset from a center of the unitary core, wherein the unitary core twists about an optical axis of the optical fiber device along a length of the optical fiber device, and wherein a refractive index of the primary section is greater than a refractive index of the secondary section; and a cladding surrounding the unitary core.
    Type: Grant
    Filed: September 25, 2019
    Date of Patent: June 23, 2020
    Assignee: Lumentum Operations LLC
    Inventors: Martin H. Muendel, James J. Morehead
  • Patent number: 10690846
    Abstract: A light projecting system comprises: a waveguide comprising a first surface, a second surface, and a fourth surface, at least one of the first surface or the second surface comprising a first plurality of grating structures; a light source coupling light into the waveguide to form an in-coupled light beam, wherein: each of the first grating structures is configured to disrupt the total internal reflection to cause at least a portion of the in-coupled light beam to couple out of the waveguide, and a remainder beam of the in-coupled light beam undergoing the total internal reflection being coupled out of the waveguide after the out-coupling at each of the first grating structures; a detector configured to receive and measure the remainder beam; and a processor coupled to the detector and configured to determine if a dangerous condition occurs based on the measured remainder beam.
    Type: Grant
    Filed: October 24, 2018
    Date of Patent: June 23, 2020
    Assignee: Shenzhen Guangjian Technology Co., Ltd.
    Inventors: Fanglu Lyu, Yi Rao
  • Patent number: 10684430
    Abstract: A fiber optic termination sealingly connects to a cable which includes a casing having a cable tube and optical fibers. The termination includes a sealed housing, a manifold, a connector and termination tubes. The housing has an inlet to sealably receive the cable. The fibers extend from an end of the cable into a sealed chamber of the housing. The manifold is positionable in the housing, and has an inlet to receive the fibers and sealed passages shaped to distribute the fibers therethrough the connector includes contacts communicatively connectable to equipment and the fibers. The termination tubes are positionable within the chamber of housing, and have an entry end sealingly connectable to an end of the cable tube and a contact end sealingly connectable to the contacts.
    Type: Grant
    Filed: August 13, 2019
    Date of Patent: June 16, 2020
    Assignee: ORMOND ENERGY INNOVATIONS INC.
    Inventor: Srikanth Ramasubramanian
  • Patent number: 10678007
    Abstract: Example embodiments relate to active-passive waveguide photonic systems. An example embodiment includes a monolithic integrated active/passive waveguide photonic system. The system includes a substrate having positioned thereon at least one active waveguide and at least one passive waveguide. The at least one active waveguide and the at least one passive waveguide are monolithically integrated and are arranged for evanescent wave coupling between the waveguides. The at least one active waveguide and the at least one passive waveguide are positioned so that at least a portion of each waveguide does not overlap the other waveguide, both in a height direction and in a lateral direction with respect to the substrate.
    Type: Grant
    Filed: October 3, 2018
    Date of Patent: June 9, 2020
    Assignees: IMEC VZW, Universiteit Gent
    Inventors: Joris Van Campenhout, Bernardette Kunert, Maria Ioanna Pantouvaki, Dries Van Thourhout, Yuting Shi
  • Patent number: 10656334
    Abstract: An optical fiber device may include a unitary core including a primary section and a secondary section, wherein at least a portion of the secondary section is offset from a center of the unitary core, wherein the unitary core twists about an axis of the optical fiber device along a length of the optical fiber device, and wherein a refractive index of the primary section is greater than a refractive index of the secondary section; and a cladding surrounding the unitary core.
    Type: Grant
    Filed: June 28, 2019
    Date of Patent: May 19, 2020
    Assignee: Lumentum Operations LLC
    Inventors: Martin H. Muendel, James J. Morehead, Vincent Petit, Richard D. Faulhaber
  • Patent number: 10649305
    Abstract: An optical phase shifting arrangement and associated optical switching device and method are disclosed. The optical phase shifting arrangement comprises a first optical phase shifter configured to provide a first phase shift to an optical signal, and a second optical phase shifter configured to provide a second phase shift to the optical signal in addition to the first phase shift. During a predefined period, the first optical phase shifter and the second optical phase shifter are driven such that the second phase shift is substantially complementary to the first phase shift.
    Type: Grant
    Filed: January 16, 2018
    Date of Patent: May 12, 2020
    Assignee: Cisco Technology, Inc.
    Inventors: Sean P. Anderson, Vipulkumar Patel
  • Patent number: 10649142
    Abstract: Systems and methods are disclosed for splicing crystal fibers to silica glass fibers. Embodiments of the present disclosure provide mechanically stable bonds with negligible optical transmission loss by splicing fibers through a thermally enhanced reaction bonding process at lower temperatures than the melting point of the crystal. In an embodiment, mixing of the materials at elevated temperatures forms a stable intermediary material which enhances strength and reduces the transmission losses.
    Type: Grant
    Filed: June 28, 2019
    Date of Patent: May 12, 2020
    Assignee: The Government of the United States of America, as represented by the Secretary of the Navy
    Inventors: Rajesh Thapa, Rafael R. Gattass, Daniel J. Gibson, Woohong Kim, L. Brandon Shaw, Jasbinder S. Sanghera
  • Patent number: 10649143
    Abstract: An optical device for polarizing light including a polarization altering element operatively coupled to a light path associated with the first light coupling device and the second light coupling device is described. The optical device may further include a first waveguide portion including a first layer having parallel plane surfaces with the first waveguide portion having a first light coupling device. The optical device may also include a second waveguide portion including a second layer having parallel plane surfaces with the second waveguide portion having a second light coupling device.
    Type: Grant
    Filed: June 20, 2017
    Date of Patent: May 12, 2020
    Assignee: Akonia Holographics LLC
    Inventors: Mark R. Ayres, Friso Schlottau, Adam Urness, Kenneth E. Anderson
  • Patent number: 10627594
    Abstract: A fiber optic pulling grip assembly includes a sleeve unit sleeving around a cable section of a fiber optic cable and a guiding unit. The sleeve unit includes a sleeve member, an insertion tube received in a receiving space extending along the sleeve member, and a blocking member connected to the sleeve member. The guiding unit includes a fixing ring disposed between an optical fiber section and a mesh of the fiber optic cable, a rear portion connected to the sleeve member to clamp a rear end of the mesh, a front portion defining a channel for passing of the optical fiber section and the mesh, a connecting member connected to the optical fiber section and a pulling member connected to the front portion to clamp a front end of the mesh.
    Type: Grant
    Filed: January 28, 2019
    Date of Patent: April 21, 2020
    Assignee: Amphenol Fiber Optic Technology (Shenzhen) Co., Ltd.
    Inventors: Ling-Hua Zhu, Anh Nguyen, Ronald J. Kleckowski, Xing-Fu Mo, Shu-Hui Hsu
  • Patent number: 10627561
    Abstract: A lighting system is disclosed. The lighting system comprises at least one light source comprising a light emitting diode (LED) and one or more phosphors optically coupled to the LED to convert at least a portion of original light emitted by the LED to provide a modified LED light having a first predetermined spectral output, and an optical material that is optically coupled to at least a portion of a surface of a light guide plate and optically coupled to receive at least a portion of the modified LED light and to convert at least a portion of the modified LED light to at least one predetermined wavelength to provide modified light having a second predetermined spectral output, wherein the optical material comprises one or more types of quantum confined semiconductor nanoparticle. A device including a lighting system is also disclosed.
    Type: Grant
    Filed: July 19, 2019
    Date of Patent: April 21, 2020
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Seth Coe-Sullivan, John R. Linton, Daniel Cohen, John E. Ritter
  • Patent number: 10620386
    Abstract: An optical connector system for reversible optical connection between two optical fibers (102, 104) with their end parts inside respective ferrules. A receptacle arrangement has a receiving body (105) for receiving at least one of the ferrules (103). An optical element (106) of the receptacle arrangement serves to provide optical connection between the two optical fibers in a connected state of the optical connector system, and at the same time, the optical element (106) serves as a sterility barrier between the two optical fibers. The optical element (106) can be an optical waveguide, e.g. a piece of optical fiber similar to the two optical fibers (102, 104), and arranged within the receiving body (105). Alternatively, the optical element may be a thin flexible membrane (207, 307) which is optically transparent.
    Type: Grant
    Filed: March 6, 2019
    Date of Patent: April 14, 2020
    Assignee: KONINKLIJKE PHILIPS N.V.
    Inventors: Martinus Bernardus Van Der Mark, Eibert Gerjan Van Putten, Hendrina Helena Aleida Evenaar-Geven, Godefridus Johannes Verhoeckx, Adrianus Wilhelmus Dionisius Maria Van Den Bijgaart
  • Patent number: 10606145
    Abstract: Application of an electric field to nanorods can control their alignment, thus providing techniques for ultra-fast switching and optical modulators, for example those that might serve as display indicators.
    Type: Grant
    Filed: October 17, 2018
    Date of Patent: March 31, 2020
    Assignee: The Government of the United States of America, as represented by the Secretary of the Navy
    Inventors: Jake Fontana, Nicholas J. Greybush
  • Patent number: 10598871
    Abstract: An active optical cable (AOC) for a helmet mounted display (HMD) or goggles includes a transceiver module having a rigid-flex or flex connector packaging to physically couple with an electrical data interface of the HMD or goggles. The transceiver module includes one or more media converters to receive electrical data of multiple formats from the HMD or googles and convert the received electrical data to a common format, and an optical engine communicatively coupled to the one or more media converters to output the converted electrical data as optical data. The AOC includes a cable assembly including at least fiber optic cables with one end of the cable assembly communicatively couple to the transceiver module to receive the optical data output from optical engine; and another transceiver module having a quick-release connector packaging and communicatively coupled to other end of the cable assembly to receive the optical data.
    Type: Grant
    Filed: September 15, 2017
    Date of Patent: March 24, 2020
    Assignee: INNEOS LLC
    Inventor: Duane Louderback
  • Patent number: 10598964
    Abstract: To provide a method whereby a bias voltage capable of easily realizing a required extinction ratio can be controlled by utilizing a high-extinction ratio modulator even when a generic AD converter/control board is used, and a device for realizing the method. In the present invention, the step quantity (variation quantity) ?V of a control voltage is no more than 0.1 times the half-wave voltage V? [V]. For example, in the case of searching for the minimum point, the light intensity is measured when a bias that is larger by the step voltage ?V and a bias that is smaller by the step voltage ?V are applied, the current bias voltage being used as a reference, and the bias voltage is moved toward the smaller of the measured light intensities. The process of setting the moved bias voltage as a reference, comparing the light intensities for the bias points in both neighboring positions, and changing the reference bias voltage is then repeated.
    Type: Grant
    Filed: February 23, 2017
    Date of Patent: March 24, 2020
    Assignee: National Institute of Information and Communications Technology
    Inventors: Atsushi Kanno, Tetsuya Kawanishi
  • Patent number: 10591686
    Abstract: An optical receptacle having a first optical receptacle for transmission and a second optical receptacle for reception. The first optical receptacle has a first engaging section and the second optical receptacle has a second engaging section that engages with the first engaging section. A first recessed section and a second recessed section that open externally are formed in the first optical receptacle. A third recessed section that opens externally is formed in the second optical receptacle. Part of each of the inner surfaces of the first recessed section, the second recessed section, and the third recessed section is a reflective surface.
    Type: Grant
    Filed: February 20, 2017
    Date of Patent: March 17, 2020
    Assignee: ENPLAS CORPORATION
    Inventor: Ayano Kon
  • Patent number: 10591668
    Abstract: An optical fiber includes (i) a chlorine doped silica based core having a core alpha (Core?)?4, a radius r1, and a maximum refractive index delta ?1 max% and (ii) a cladding surrounding the core. The cladding surrounding the core includes a) a first inner cladding region adjacent to and in contact with the core and having a refractive index delta ?2, a radius r2, and a minimum refractive index delta ?2 min such that ?2 min<?1 max, b) a second inner cladding adjacent to and in contact with the first inner cladding having a refractive index ?3, a radius r3, and a minimum refractive index delta ?3 min such that ?3 min<?2, and c) an outer cladding region surrounding the second inner cladding region and having a refractive index ?5, a radius rmax, and a minimum refractive index delta ?3 min such that ?3 min<?2.
    Type: Grant
    Filed: July 25, 2018
    Date of Patent: March 17, 2020
    Assignee: Corning Incorporated
    Inventors: Dana Craig Bookbinder, Ming-Jun Li, Snigdharaj Kumar Mishra, Pushkar Tandon