Patents by Inventor Kevin B. Leigh

Kevin B. Leigh has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20210325618
    Abstract: Glass-as-a-Platform (GaaP) assemblies are provided. Embodiments of the GaaP assembly comprise a first glass plate and a second glass plate, each disposed under one or more switch ASICs and one or more opto-electronic devices co-packaged on the same substrate. Each glass plate includes a plurality of waveguides. The co-packaged substrate is disposed on top of one or more of the first glass plate and second glass plate, the first glass plate configured to couple to one or more opto-electronic devices and the second glass plate configured to couple to one or more other opto-electronic devices. A faceplate interface end of each glass plate is configured to connect to one or more optical cable connectors. The glass plates are configured to route optical signals to and from one or more opto-electronic devices and one or more optical cable connectors through the one or more waveguides and openings in the co-packaged substrate.
    Type: Application
    Filed: April 21, 2020
    Publication date: October 21, 2021
    Inventor: KEVIN B. LEIGH
  • Patent number: 11150430
    Abstract: A system is provided for connecting a plurality of different enclosures within rack. Enclosures can be stacked and contain a plurality of articulating arm assemblies configured to mate with each other. Each articulating arm assembling may comprise a side plenum, arm plenum, plenum pivot, and at least one knuckle housing. One or more knuckle housings of each articulating arm assembly configured to connect with one or more knuckle housing of a different articulating arm assembly. Each articulating arm assembly configured to move to at least a open and an closed position. Each knuckle housing of each articulating arm assembly includes a plurality of optical connector arrays configured to mate with corresponding optical connector arrays of a different articulating arm assembly. Each knuckle housing may further include at least one retention feature configured to retain coupling of a knuckle housing with a corresponding knuckle housing.
    Type: Grant
    Filed: June 24, 2020
    Date of Patent: October 19, 2021
    Assignee: Hewlett Packard Enterprise Development LP
    Inventors: Kevin B. Leigh, Everett R. Salinas
  • Patent number: 11139898
    Abstract: A pseudo all-to-all connected system for optical communications are provided. A plurality of nodes are grouped into a node-division multiplexing (NDM) node. An electrical shuffle comprising a plurality of electrical traces connects each port of the plurality of nodes to at least one optical transceiver. The at least one optical transceiver is configured to multiplex a plurality of electrical signals from the plurality of nodes into a plurality of wavelength division multiplexing (WDM) optical signals, the electrical shuffle being configured to route the plurality of electrical signals from each port of the plurality of nodes to form one of a plurality of ordered sequences of signals from the plurality of nodes. A fiber shuffle is configured to route the plurality of WDM optical signals to and from a plurality of NDM connectors.
    Type: Grant
    Filed: July 12, 2019
    Date of Patent: October 5, 2021
    Assignee: Hewlett Packard Enterprise Development LP
    Inventors: Kevin B. Leigh, Timothy S. McCann, Brian T. Purcell
  • Publication number: 20210285258
    Abstract: A lock mechanism for a faceplane infrastructure coupled externally from a faceplate of a modular device includes a locking bar, a locking bar engagement element, and a securing device. When the lock mechanism is assembled and in a locked state, the locking bar is housed within the modular device. Further, when the lock mechanism is assembled and in the locked state, the locking bar engagement element is fixedly coupled to a first portion of the faceplane infrastructure and removably engaged with the locking bar through an aperture in the faceplate of the modular device. Moreover, when the lock mechanism is assembled and in the locked state, the securing device locks the first portion of the faceplane infrastructure to the faceplate of the modular device.
    Type: Application
    Filed: March 16, 2020
    Publication date: September 16, 2021
    Inventors: Kevin B. Leigh, Everett R. Salinas, John R. Grady
  • Publication number: 20210286142
    Abstract: A shuffle assembly for a computing device comprises at least one chassis waveguide shuffle block having a plurality of chassis inputs and a plurality of chassis outputs, and having a plurality of optical waveguides formed therein connecting the chassis inputs to the chassis outputs in a desired chassis shuffle arrangement. The shuffle assembly may further comprise at least one line card waveguide shuffle block having a plurality of line card inputs, at least one of the plurality of line card inputs, a plurality of line card outputs, and a plurality of waveguides formed therein connecting the plurality of line card inputs to the plurality of line card outputs in a line card shuffle arrangement. At least one optical ribbon cable may couple the at least one chassis waveguide shuffle block to the at least one waveguide shuffle block.
    Type: Application
    Filed: March 11, 2020
    Publication date: September 16, 2021
    Inventors: Kevin B. Leigh, Everett R. Salinas, Sagi Varghese Mathai
  • Publication number: 20210278599
    Abstract: An optical midplane includes an airframe having a first side on which first modules are disposed and a second side on which second modules are disposed. The airframe is to provide for optimized airflow through the first modules disposed on the first side. A plurality of optical connectors are disposed at respective locations on the airframe to provide optical connectivity. Optical connectivity is provided between at least one of any first module disposed on the first side of the airframe and any second module disposed on the second side of the airframe, any first modules disposed on the first side of the airframe, and any second modules disposed on the second side of the airframe.
    Type: Application
    Filed: March 6, 2020
    Publication date: September 9, 2021
    Inventors: Kevin B. Leigh, John R. Grady
  • Patent number: 11079560
    Abstract: One example of a system includes a system board including first contacts, a cage attached to the system board over the first contacts, and a removable transceiver module including second contacts. The transceiver module is installable in the cage in response to a lateral movement of the transceiver module with respect to the cage to align the second contacts with the first contacts and a vertical movement of the transceiver module with respect to the cage to electrically connect the first contacts to the second contacts.
    Type: Grant
    Filed: November 26, 2014
    Date of Patent: August 3, 2021
    Assignee: Hewlett Packard Enterprise Development LP
    Inventors: Kevin B Leigh, John Norton, George D Megason
  • Publication number: 20210231879
    Abstract: Examples include an optical device for redirecting optical signals. The optical device includes a plurality of input ports, a plurality of optical blocks such that at least one optical block of the plurality of optical blocks aligned to each input port of the plurality of input ports, and a plurality of output ports. The plurality of input ports may direct a plurality of optical signals of selective wavelengths to a first direction. Each of the optical blocks may be movable to a plurality of positions to selectively redirect the respective optical signal of the plurality of signals from the first direction to a second direction to one or more output ports of the plurality of output ports that may receive the one or more optical signals redirected to the second direction.
    Type: Application
    Filed: January 28, 2020
    Publication date: July 29, 2021
    Inventors: Sagi Varghese Mathai, Paul Kessler Rosenberg, Kevin B. Leigh
  • Patent number: 11036009
    Abstract: A reconfigurable optical ferrule (ROF) carrier mating system is provided. The ROF carrier mating system comprising a reconfigurable carrier adapter comprising an adapter mid-wall comprising a plurality of ferrule mating sleeves, with a first carrier receptacle on a first side of the adapter mid-wall and a second carrier receptacle on a second side of the adapter mid-wall. Each ROF carrier can take on either a serial orientation or a parallel orientation based on the alignment of a plurality of duplex ferrule connectors disposed within each ROF carrier. The plurality of ferrules of the ROF carriers inserted into the first carrier receptacle are configured to mate with the plurality of ferrules of the ROF carriers inserted into the second ferrule carrier receptacle.
    Type: Grant
    Filed: September 28, 2020
    Date of Patent: June 15, 2021
    Assignee: Hewlett Packard Enterprise Development LP
    Inventors: Kevin B. Leigh, John Norton
  • Patent number: 11016248
    Abstract: An optical ferrule includes a substrate formed of a diced wafer and a molded structure formed on the substrate. The molded structure may be formed of a curable material. The molded structure may include a plurality of grooves for positioning a plurality of optical fibers therealong, respectively, a plurality of reflective surfaces formed to reflect optical signals from ends of the plurality of optical fibers, respectively, or reflect incident optical signals towards the ends of the plurality of optical fibers, respectively, and an alignment structure disposed to be aligned to a corresponding alignment structure of a socket to which the optical ferrule is coupled.
    Type: Grant
    Filed: December 9, 2019
    Date of Patent: May 25, 2021
    Assignee: Hewlett Packard Enterprise Development LP
    Inventors: Sagi Mathai, Paul Kessler Rosenberg, Kevin B. Leigh
  • Patent number: 10983293
    Abstract: Hot-pluggable optical modules for high-density optical signaling are provided. The modules comprise a dual-purpose heat spreader configured to function as a thermal component and including trenches accommodating optical infrastructure. The dual-purpose heat spreader includes a trench for routing optical fibers to and from a plurality of optical connectors, each disposed on a branch of the fiber harness assembly and configured to mate with a socket on a module board through an opening in the dual-purpose heat spreader.
    Type: Grant
    Filed: February 28, 2020
    Date of Patent: April 20, 2021
    Assignee: Hewlett Packard Enterprise Development LP
    Inventors: Kevin B. Leigh, Everett R. Salinas, Wade D. Vinson
  • Patent number: 10944487
    Abstract: Thermal control is provided for external light sources for silicon photonics based pluggable modules. In one embodiment, an apparatus comprises a first circuit board; a light source disposed upon the first circuit board; a silicon photonics modulator; a connector comprising a first portion and a second portion, wherein: the first and second portions are physically matable and separable; mating the first and second portions of the connector optically couples the first and second portions, the first portion is disposed upon the first circuit board, and is optically coupled to an output of the light source, and the second portion is optically coupled to an input of the silicon photonics modulator; and a thermal controller to control a temperature of the light source. Some embodiments disable the light source when the connector is separated.
    Type: Grant
    Filed: May 31, 2019
    Date of Patent: March 9, 2021
    Assignee: Hewlett Packard Enterprise Development LP
    Inventors: Kevin B. Leigh, Michael R. Krause, John Norton
  • Patent number: 10924185
    Abstract: Systems and methods are provided for a dual-side bi-directional optical multiplexing system includes a light receiving elements array receiving light from in an egress propagation direction from an optical fiber, arranged at a side of the optical fiber. The system also includes a light transmitting elements array emitting light in an ingress propagation direction into the optical fiber, and arranged at a second position to an opposing side of the optical fiber. The light receiving elements array and the light transmitting elements array are on dual-sides of the system with respect to the optical fiber. The system also includes bi-directional micro-optics interfacing with the optical fiber, and interfacing with the light transmitting elements array to direct light propagating in the ingress direction emitted from the light transmitting element array towards the optical fiber.
    Type: Grant
    Filed: August 6, 2018
    Date of Patent: February 16, 2021
    Assignee: Hewlett Packard Enterprise Development LP
    Inventors: Kevin B. Leigh, Michael Renne Ty Tan, Sagi Mathai, Paul Rosenberg, Wayne Sorin
  • Publication number: 20210021473
    Abstract: Methods and systems support a dynamic ratio adjusting gearbox (DRAG) for communicating signals between at least one switch and a plurality of servers. The DRAG includes server interface ports, each coupled to a respective server. Each server interface port corresponds to a provisioned bandwidth, or the peak bandwidth allocated to the server interface port. The DRAG includes a switch interface port, coupled to a respective switch. The switch interface port corresponds to a provided bandwidth, which is the peak amount of bandwidth supported by the switch. The DRAG can dynamically allocate an amount of provisioned bandwidth for each server interface port such that an aggregate amount of provisioned bandwidth does not exceed an aggregate amount of bandwidth from the at least one switch coupled to the DRAG, and based on an amount of bandwidth utilized in operation, thereby improving bandwidth utilization and mitigating stranded bandwidth.
    Type: Application
    Filed: July 16, 2019
    Publication date: January 21, 2021
    Inventors: KEVIN B. LEIGH, MICHAEL WITKOWSKI
  • Patent number: 10895688
    Abstract: In example implementations, an optical connector is provided. The optical connector includes a jumper holder, a base bracket, and an optical ferrule. The jumper holder holds a plurality of ribbon fibers. The base bracket is coupled to an electrical substrate to mate with the jumper holder. The optical ferrule is coupled to an end of each one of the plurality of ribbon fibers. The optical ferrule is laterally inserted into a corresponding orthogonal socket that is coupled to a silicon interposer on the electrical substrate to optically mate the optical ferrule to the orthogonal socket.
    Type: Grant
    Filed: November 25, 2019
    Date of Patent: January 19, 2021
    Assignee: Hewlett Packard Enterprise Development LP
    Inventors: Kevin B. Leigh, Paul Kessler Rosenberg, Sagi Mathai, Mir Ashkan Seyedi, Michael Renne Ty Tan, Wayne Victor Sorin, Marco Fiorentino
  • Patent number: 10895697
    Abstract: Examples described herein include optical adapters. In some examples, an optical connector adapter includes a housing with a first end and a second end, a latch assembly inside the housing, and an adapter optical ferrule. The latch assembly may include two latch arms and an engagement feature to mate the adapter to a number of optical transceiver shells. The engagement feature may protrude beyond the second end of the housing. The adapter optical ferrule is attached to the two latch arms.
    Type: Grant
    Filed: April 14, 2017
    Date of Patent: January 19, 2021
    Assignee: Hewlett Packard Enterprise Development LP
    Inventors: Kevin B. Leigh, John Norton
  • Publication number: 20210011226
    Abstract: A reconfigurable optical ferrule (ROF) carrier mating system is provided. The ROF carrier mating system comprising a reconfigurable carrier adapter comprising an adapter mid-wall comprising a plurality of ferrule mating sleeves, with a first carrier receptacle on a first side of the adapter mid-wall and a second carrier receptacle on a second side of the adapter mid-wall. Each ROF carrier can take on either a serial orientation or a parallel orientation based on the alignment of a plurality of duplex ferrule connectors disposed within each ROF carrier. The plurality of ferrules of the ROF carriers inserted into the first carrier receptacle are configured to mate with the plurality of ferrules of the ROF carriers inserted into the second ferrule carrier receptacle.
    Type: Application
    Filed: September 28, 2020
    Publication date: January 14, 2021
    Inventors: Kevin B. Leigh, John Norton
  • Publication number: 20210013973
    Abstract: A pseudo all-to-all connected system for optical communications are provided. A plurality of nodes are grouped into a node-division multiplexing (NDM) node. An electrical shuffle comprising a plurality of electrical traces connects each port of the plurality of nodes to at least one optical transceiver. The at least one optical transceiver is configured to multiplex a plurality of electrical signals from the plurality of nodes into a plurality of wavelength division multiplexing (WDM) optical signals, the electrical shuffle being configured to route the plurality of electrical signals from each port of the plurality of nodes to form one of a plurality of ordered sequences of signals from the plurality of nodes. A fiber shuffle is configured to route the plurality of WDM optical signals to and from a plurality of NDM connectors.
    Type: Application
    Filed: July 12, 2019
    Publication date: January 14, 2021
    Inventors: KEVIN B. LEIGH, Timothy S. McCann, Brian T. Purcell
  • Patent number: 10874032
    Abstract: An example computing device includes one or more bays to receive a pluggable module, and a cold plate assembly. The cold plate assembly includes one or more cold plates to engage with the pluggable modules and transfer heat from the modules to liquid coolant. The cold plate assembly also includes a pivoting support that supports the cold plate(s) and pivots relative to the system board, and an engagement mechanism comprising a mechanical linkage with mechanical advantage attached to the pivoting support such that moving a link of the mechanical linkage causes the pivoting support to pivot between an engaged position and a disengaged position. In the engaged position, the cold plate contacts is positioned to engaged with the pluggable module, while in the disengaged position the cold plate is disengaged from the pluggable module.
    Type: Grant
    Filed: April 29, 2019
    Date of Patent: December 22, 2020
    Assignee: Hewlett Packard Enterprise Development LP
    Inventors: Kevin B. Leigh, John Norton, Sunil Ganta
  • Publication number: 20200382220
    Abstract: Thermal control is provided for external light sources for silicon photonics based pluggable modules. In one embodiment, an apparatus comprises a first circuit board; a light source disposed upon the first circuit board; a silicon photonics modulator; a connector comprising a first portion and a second portion, wherein: the first and second portions are physically matable and separable; mating the first and second portions of the connector optically couples the first and second portions, the first portion is disposed upon the first circuit board, and is optically coupled to an output of the light source, and the second portion is optically coupled to an input of the silicon photonics modulator; and a thermal controller to control a temperature of the light source. Some embodiments disable the light source when the connector is separated.
    Type: Application
    Filed: May 31, 2019
    Publication date: December 3, 2020
    Inventors: Kevin B. Leigh, Michael R. Krause, John Norton