Patents Examined by Agustin Bello
  • Patent number: 11956886
    Abstract: A connector includes: a circuit board; a first heat transfer material arranged on a principal surface of the circuit board; a first shell having an end mated with a mating connector in a state in which the terminal end portion of the circuit board protrudes from the end, and includes an opposite opposed to at least a part of a target region which is a region other than the terminal end portion, covers at least a part of the target region, and is conductive; a second shell connected to an end of the first shell, covers at least a part of the target region of the principal surface, and is thermally conductably connected to the circuit board in contact with the first heat transfer material; and a third shell engaged with the second shell, covers at least a part of the target region of a principal surface, and is conductive.
    Type: Grant
    Filed: April 3, 2020
    Date of Patent: April 9, 2024
    Assignee: I-PEX Inc.
    Inventors: Yoichi Hashimoto, Sho Suzuki, Shogo Matsuo
  • Patent number: 11953736
    Abstract: In a fiber connection structure with optical connectors according to one embodiment, among m first connector port groups, arrangement orders of colors of a plurality of the optical fibers in (2×j?1)th (j is a natural number satisfying 1?j and 2×j?m) first connector port groups are the same, and among the m first connector port groups, arrangement orders of the colors of the plurality of optical fibers in (2×j)th first connector port groups are the same. The arrangement order of the colors of the plurality of optical fibers in the (2×j)th first connector port group is a reverse order of the arrangement order of the colors of the plurality of optical fibers in the (2×j?1)th first connector port group.
    Type: Grant
    Filed: February 18, 2020
    Date of Patent: April 9, 2024
    Assignees: SUMITOMO ELECTRIC INDUSTRIES, LTD., SUMITOMO ELECTRIC OPTIFRONTIER CO., LTD.
    Inventors: Kazuya Masuda, Takahiro Inaba, Tomohiko Ueda
  • Patent number: 11956090
    Abstract: A Power over Ethernet (PoE) power supply device, a PoE power supply system, an interface part, and a method for detecting an optical module, and pertaining to the field of communications technologies, where the PoE power supply device includes a photoelectric composite interface part, and wherein the photoelectric composite interface part integrates an optical interface and an electrical interface, and is configured to be coupled to a photoelectric composite module. The photoelectric composite interface part can complete PoE power supply while transmitting a signal.
    Type: Grant
    Filed: November 10, 2021
    Date of Patent: April 9, 2024
    Assignee: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Jincan Cao, Chao Ren, Jian Chen, Ke Liu
  • Patent number: 11953741
    Abstract: An example optoelectronic module includes a housing that extends between a first end and an opposite second end. The optoelectronic module includes a printed circuit board (“PCB”) with an electrical connector at an end thereof, a transmitter electrically coupled to the PCB, a receiver electrically coupled to the PCB, and a receiving member including a plurality of ports each configured to receive a respective one of a plurality of fiber optic cables. In one aspect, the receiving member includes a plurality of deformable retaining members configured to be positioned in corresponding receptacles of the housing member in an arrangement structured to limit movement of the receiving member. In another aspect, the module also includes a plurality of fiber optic cable receptacles and a receptacle retaining member is positioned between the housing and the receptacles and limits movement of the receptacles in the housing.
    Type: Grant
    Filed: September 13, 2022
    Date of Patent: April 9, 2024
    Assignee: II-VI DELAWARE, INC.
    Inventor: Long Van Nguyen
  • Patent number: 11949497
    Abstract: An optical network communication system utilizes a passive optical network including an optical hub having an optical line terminal, downstream transmitter, an upstream receiver, a processor, and a multiplexer. The upstream receiver includes a plurality of TWDMA upstream subreceivers. The system includes a power splitter for dividing a coherent optical signal from the optical hub into a plurality of downstream wavelength signals, a long fiber to carry the coherent optical signal between the optical hub and the power splitter, and a plurality of serving groups. Each serving group includes a plurality of optical network units configured to (i) receive at least one downstream wavelength signal, and (ii) transmit at least one upstream wavelength signal. The system includes a plurality of short fibers to carry the downstream and upstream wavelength signals between the power splitter and the optical network units, respectively. Each upstream subreceiver receives a respective upstream wavelength signal.
    Type: Grant
    Filed: June 13, 2022
    Date of Patent: April 2, 2024
    Assignee: Cable Television Laboratories, Inc.
    Inventors: Zhensheng Jia, Luis Alberto Campos, Curtis Dean Knittle
  • Patent number: 11942996
    Abstract: Disclosed are an optical signal outputting device and method, and a storage medium. The device includes a pump laser, first fiber grating and target fiber grating connected seriatim, the pump laser being configured to emit a first optical signal to the first fiber grating upon receiving a target waveband optical signal transmission instruction, and convert a second waveband optical signal into a target waveband optical signal by resonance upon receiving an optical signal adjusting instruction, then output the same; the first fiber grating being configured to filter the first optical signal to obtain a first waveband optical signal and send it to the target fiber grating; and the target fiber grating being configured to filter the first waveband optical signal to obtain a second waveband optical signal and the target waveband optical signal to use one of them to deliver the optical signal adjusting instruction to the pump laser.
    Type: Grant
    Filed: December 4, 2019
    Date of Patent: March 26, 2024
    Inventors: Nina Lv, Qinlian Bu
  • Patent number: 11927817
    Abstract: An optical module includes a lens assembly and an optical fiber holder. The lens assembly includes a lens base, a first positioning column and a second positioning column. The optical fiber holder includes a first positioning hole and a second positioning hole. The first positioning hole is disposed on a second assembly surface and corresponds to a position of the first positioning column; the first positioning hole has an opening on the second assembly surface and an opening on a first side surface connected with the second assembly surface, and the two openings are connected. The second positioning hole is disposed on the second assembly surface and corresponds to a position of the second positioning column; the second positioning hole has an opening on the second assembly surface and has an opening on a second side surface connected with the second assembly surface, and the two openings are connected.
    Type: Grant
    Filed: September 16, 2021
    Date of Patent: March 12, 2024
    Assignee: HISENSE BROADBAND MULTIMEDIA TECHNOLOGIES CO., LTD.
    Inventors: Sigeng Yang, Shenzhen Fu, Xuxia Liu
  • Patent number: 11924594
    Abstract: The present disclosure provides a method, apparatus and system for transmitting OMCI messages. The method includes receiving an OMCI message from a cloud server, wherein the cloud server supports vOMCI; judging whether the received OMCI message is associated with device information of the optical line terminal, if so, obtaining device association information corresponding to the received OMCI message, filling the device association information into the received OMCI message, and sending the filled OMCI message to the optical network terminal, otherwise, sending the received OMCI message directly to the optical network terminal.
    Type: Grant
    Filed: January 3, 2022
    Date of Patent: March 5, 2024
    Assignee: Nokia Solutions and Networks Oy
    Inventors: Xin Wang, Erik Duys, Jian Li, Ilias Gravalos, Jie Liu
  • Patent number: 11921333
    Abstract: A wavelength-selective optical reception device includes a photoreceptor (21) that converts optical signals (201) into electric signals and outputs the electric signals, a base (31) on which the photoreceptor (21) is provided, a housing (41) that is mounted on the base (31) and surrounds the photoreceptor (21) along with the base (31), and that is provided with a window (51) to pass optical signals (203) including the optical signals (201) and including optical signals (202) of a wavelength different from a first wavelength of the optical signals (201) and a window (52) to pass the optical signals (202), and an optical filter (61) that is disposed inside the housing between the window (51) and the photoreceptor (21) along the optical axis (205) of the optical signals (203), and that outputs, out of the optical signals (203) that enter thereto, the optical signals (201) toward the photoreceptor (21), and reflects the optical signals (202) toward a near side in a direction of travel of the optical signals (203)
    Type: Grant
    Filed: January 31, 2020
    Date of Patent: March 5, 2024
    Assignee: NIPPON TELEGRAPH AND TELEPHONE CORPORATION
    Inventors: Takuya Kanai, Takeshi Imai, Yumiko Senoo, Kota Asaka
  • Patent number: 11923902
    Abstract: The present disclosure relates to an active optical cable connector and an active optical cable assembly. The active optical cable connector includes a power supply interface, an optoelectronic conversion module and a short-range wireless communication module, wherein the power supply interface is electrically connected with the optoelectronic conversion module and the short-range wireless communication module, respectively, and the short-range wireless communication module is configured to transmit a control signal and a low-speed signal of the active optical cable.
    Type: Grant
    Filed: July 12, 2022
    Date of Patent: March 5, 2024
    Assignee: Shenzhen 8k-link Optoelectronics Technology Co., Ltd.
    Inventors: Lingfeng Tang, Jun Jiang, Xinghui Jin
  • Patent number: 11909448
    Abstract: Provided is a single-fiber bi-directional optical transceiver sub-assembly capable of improving the wavelength separation characteristics of a multiplexing/demultiplexing filter while also attaining a compact size. A single-fiber bi-directional optical transceiver sub-assembly is provided with a housing, an optical receptacle, a multiplexing/demultiplexing filter, a receiving-side photoelectric converter, a transmitting-side photoelectric converter, an isolator, and a collimating lens. The multiplexing/demultiplexing filter is disposed on the optical path between the optical receptacle and the transmitting-side photoelectric converter and on the optical path between the optical receptacle and the receiving-side photoelectric converter. The isolator passes optical signals outputted from the transmitting-side photoelectric converter and blocks optical signals proceeding to the transmitting-side photoelectric converter.
    Type: Grant
    Filed: November 22, 2019
    Date of Patent: February 20, 2024
    Assignee: NEC CORPORATION
    Inventor: Isao Tomita
  • Patent number: 11909516
    Abstract: Embodiments of the invention describe apparatuses, optical systems, and methods for utilizing a dynamically reconfigurable optical transmitter. A laser array outputs a plurality of laser signals (which may further be modulated based on electrical signals), each of the plurality of laser signals having a wavelength, wherein the wavelength of each of the plurality of laser signals is tunable based on other electrical signals. An optical router receives the plurality of (modulated) laser signals at input ports and outputs the plurality of received (modulated) laser signals to one or more output ports based on the tuned wavelength of each of the plurality of received laser signals. This reconfigurable transmitter enables dynamic bandwidth allocation for multiple destinations via the tuning of the laser wavelengths.
    Type: Grant
    Filed: May 4, 2022
    Date of Patent: February 20, 2024
    Assignee: Juniper Networks, Inc.
    Inventors: Brian Robert Koch, Daniel Sparacin, Alexander W. Fang
  • Patent number: 11909442
    Abstract: A technology is described for a Photonic Integrated Circuit (PIC) radio frequency (RF) in-phase quadrature phase (I/O) correlator. The PIC RF Correlator can comprise two optical waveguides to receive first and second optical signals that are modulated by first and second RF signals, respectively. Two 1 to M optical splitters can split the first and second RF modulated optical signals. Optical delay lines can delay the M split first RF modulated optical signals. M optical balanced couplers can receive and combine the M first delayed RF modulated optical signals with the M split second RF modulated optical signals. Balanced photodetectors can output a differential integration on the first and second combined RF modulated optical signals for in-phase and quadrature phase signals. A processor can add the outputs of the M optical balanced photodetectors to form a frequency domain correlated signal of the first and second RF signals with real and imaginary parts.
    Type: Grant
    Filed: June 18, 2022
    Date of Patent: February 20, 2024
    Assignee: Raytheon BBN Technologies, Corp.
    Inventors: Moe D. Soltani, Ken Dinndorf
  • Patent number: 11906800
    Abstract: The present disclosure describes a network switch design that includes a vertical switch circuit board that is mounted parallel to the front panel of the network switch. The vertical circuit board supports switch chip(s) to process and forward packets and optical module connectors to receive pluggable optics modules that provide connections to other network switches. The arrangement of the circuit board, switch chip(s) and optical module connectors achieves reduced lengths for the electrical signal traces that connect the switch chip(s) to the optical module connectors. In addition, the design improves cooling by providing separate airflow regions between the switch chip heatsink(s) and the optics modules. The vertical switch card assembly and its components can be made removable from the front panel for ease of servicing.
    Type: Grant
    Filed: March 25, 2022
    Date of Patent: February 20, 2024
    Assignee: ARISTA NETWORKS, INC.
    Inventors: Adam Hemp, Youngbae Park, Warren Meggitt, Andreas Bechtolsheim
  • Patent number: 11907988
    Abstract: The present invention provides systems and methods for providing interactive visual images in a mobile-based crowdsourcing platform. More specifically, the system of the present invention includes a plurality of remote mobile devices and a visual imaging system configured to communicate and exchange data with a cloud-based service, such as a crowdsourcing platform. The crowdsourcing platform generally provides a geolocation service based on the crowdsourcing, or polling, of users of the mobile devices, in addition to visual data captured by the visual imaging system, so as to determine location and movement of the users within a specific environment. The system is further configured to automatically render an augmented or virtual reality floor plan or layout of a location based on the user data and visual data.
    Type: Grant
    Filed: December 15, 2021
    Date of Patent: February 20, 2024
    Assignee: CrowdComfort, Inc.
    Inventor: B. Eric Graham
  • Patent number: 11888520
    Abstract: A technology is described for a Photonic Integrated Circuit (PIC) radio frequency (RF) correlator. The PIC RF Correlator can comprise two optical waveguides to receive first and second optical signals that are modulated by first and second RF signals, respectively. Two 1 to M optical splitters can split the first and second RF modulated optical signals. Optical delay lines can delay the M split first RF modulated optical signals. M optical balanced couplers can receive and combine the M first delayed RF modulated optical signals with the M split second RF modulated optical signals. Balanced photodetectors can output a differential integration on the first and second combined RF modulated optical signals. A processor can add the outputs of the M optical balanced photodetectors to form a frequency domain correlated signal of the first and second RF signals.
    Type: Grant
    Filed: June 18, 2022
    Date of Patent: January 30, 2024
    Assignee: Raytheon BBN Technologies, Corp.
    Inventors: Moe D. Soltani, Ken Dinndorf
  • Patent number: 11881731
    Abstract: A control system for a battery system is provided. The control system includes a master controller and a slave controller using light-based communication. The master controller includes a light source and a transmission controller controlling the light source, and the slave controller includes a photo-sensitive element, a wake-up circuit, a power supply node, and a receiver circuit. The photo-sensitive element receives the light signals emitted by the light source and, in response to receiving a wake-up light signal, outputs a wake-up signal to the wake-up circuit, and in response to receiving the wake-up signal from the photo-sensitive element, the wake-up circuit connects the receiver circuit to the power supply node or to the photo-sensitive element. When the receiver circuit is connected to the power supply node and the photo-sensitive element, the receiver circuit receives an operation voltage from the power supply node and receives reception signals from the photo-sensitive element.
    Type: Grant
    Filed: April 12, 2021
    Date of Patent: January 23, 2024
    Assignee: SAMSUNG SDI CO., LTD.
    Inventors: Maximilian Hofer, Roland Klobasa, Gernot Kraberger
  • Patent number: 11874512
    Abstract: An optical module includes: a module body that is configured to be inserted into a cage, at an entrance of the cage an electromagnetic wave shielding terminal being provided, and has a groove formed on one surface thereof and configured to engage with a latch part formed on the cage; and an engagement release member including a body that is provided with a pull tab, the body being slidably attached to the module body and configured to slide in response to an external force, and an arm part that extends from the body along the groove, and slides with respect to the groove in conjunction with the sliding of the body and release the engagement in a state in which the electromagnetic wave shielding terminal is pressed. The module body has a concave part on a surface of the groove, the surface being in contact with the arm part.
    Type: Grant
    Filed: October 9, 2020
    Date of Patent: January 16, 2024
    Assignee: FUJITSU OPTICAL COMPONENTS LIMITED
    Inventor: Kazuyuki Kuramochi
  • Patent number: 11876560
    Abstract: An optical network communication system includes an optical hub, an optical distribution center, at least one fiber segment, and at least two end users. The optical hub includes an intelligent configuration unit configured to monitor and multiplex at least two different optical signals into a single multiplexed heterogeneous signal. The optical distribution center is configured to individually separate the at least two different optical signals from the multiplexed heterogeneous signal. The at least one fiber segment connects the optical hub and the optical distribution center, and is configured to receive the multiplexed heterogeneous signal from the optical hub and distribute the multiplexed heterogeneous signal to the optical distribution center. The at least two end users each include a downstream receiver configured to receive one of the respective separated optical signals from the optical distribution center.
    Type: Grant
    Filed: August 9, 2022
    Date of Patent: January 16, 2024
    Assignee: Cable Television Laboratories, Inc.
    Inventors: Luis Alberto Campos, Zhensheng Jia
  • Patent number: 11871164
    Abstract: An optical access network includes an optical hub having at least one processor. The network further includes a plurality of optical distribution centers connected to the optical hub by a plurality of optical fiber segments, respectively, and a plurality of geographic fiber node serving areas. Each fiber node serving area of the plurality of fiber node serving areas includes at least one optical distribution center of the plurality of optical distribution centers. The network further includes a plurality of endpoints. Each endpoint of the plurality of endpoints is in operable communication with at least one optical distribution center. The network further includes a point-to-point network provisioning system configured to (i) evaluate each potential communication path over the plurality of optical fiber segments between a first endpoint and a second endpoint, and (ii) select an optimum fiber path based on predetermined path selection criteria.
    Type: Grant
    Filed: September 16, 2022
    Date of Patent: January 9, 2024
    Assignee: Cable Television Laboratories, Inc.
    Inventors: Luis Alberto Campos, Zhensheng Jia, Carmela Stuart