Patents by Inventor Jimmy Chun-Chuen Leung

Jimmy Chun-Chuen Leung 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: 20230328913
    Abstract: A field-replaceable unit (FRU) includes a self-actuating protective cover device that includes: a protective cover, a housing component that includes a slot, a driving link component attached to the protective cover and the housing component, a supporting link component attached to the protective cover and the housing component, and an engagement component attached to the driving link component, wherein the engagement component is to move within the slot of the housing component, and the engagement component is to cause the driving link component, the supporting link component, and the protective cover to move when the engagement component moves within the slot of the housing component. The protective cover is to be positioned over one or more connectors of the FRU when the engagement component is positioned at an unengaged position within the slot of the housing component.
    Type: Application
    Filed: April 6, 2022
    Publication date: October 12, 2023
    Inventors: Jimmy Chun-Chuen LEUNG, Franklin Demick BOYDEN, Sean KIM
  • Patent number: 11160190
    Abstract: The disclosed apparatus may include (1) an FRU that (A) is designed to mate with a backplane of a telecommunications system and (B) facilitates communication among computing devices within a network and (2) at least one multi-bar ejector that (A) is coupled to the FRU, (B) fastens to a housing of the telecommunications system to enable the FRU to mate with the backplane of the telecommunications system, and (C) includes a spring coupled to at least one bar of the multi-bar ejector that, when the multi-bar ejector is fastened to the housing of the telecommunications system, applies a force on the FRU that pushes the FRU toward the backplane of the telecommunications system. Various other apparatuses, systems, and methods are also disclosed.
    Type: Grant
    Filed: March 5, 2020
    Date of Patent: October 26, 2021
    Assignee: Juniper Networks, Inc
    Inventors: Jimmy Chun-Chuen Leung, Franklin D. Boyden
  • Patent number: 11158564
    Abstract: The disclosed apparatus may include (1) a shoulder bolt that includes (A) a head and (B) a shank, (2) a retention barrel that envelops at least a portion of the shank of the shoulder bolt, (3) a coil spring that envelops at least a portion of the shank of the shoulder bolt and resides between the head of the shoulder bolt and a heatsink, and (4) a travel-limiting component (such as a set screw or a sleeve) that (A) is coupled to the retention barrel and (B) limits the heatsink from travelling linearly beyond a travel threshold via the coil spring. Various other apparatuses, systems, and methods are also disclosed.
    Type: Grant
    Filed: December 28, 2020
    Date of Patent: October 26, 2021
    Assignee: Juniper Networks, Inc
    Inventors: Alexander I. Yatskov, Elmer Tolentino, Gautam Ganguly, Jimmy Chun-Chuen Leung
  • Patent number: 10943848
    Abstract: The disclosed apparatus may include (1) a shoulder bolt that includes (A) a head and (B) a shank, (2) a retention barrel that envelops at least a portion of the shank of the shoulder bolt, (3) a coil spring that envelops at least a portion of the shank of the shoulder bolt and resides between the head of the shoulder bolt and a heatsink, and (4) a travel-limiting component (such as a set screw or a sleeve) that (A) is coupled to the retention barrel and (B) limits the heatsink from travelling linearly beyond a travel threshold via the coil spring. Various other apparatuses, systems, and methods are also disclosed.
    Type: Grant
    Filed: July 30, 2019
    Date of Patent: March 9, 2021
    Assignee: Juniper Networks, Inc
    Inventors: Alexander I. Yatskov, Elmer Tolentino, Gautam Ganguly, Jimmy Chun-Chuen Leung
  • Patent number: 10943874
    Abstract: The stiffening brace may include a set of borders dimensioned to substantially surround an integrated circuit, wherein each border includes (1) a portion of material that is positioned atop a perimeter of the integrated circuit and (2) an additional portion of material that extends beyond the perimeter of the integrated circuit such that the additional portion of material overhangs a circuit board to which the integrated circuit is soldered. Various other apparatuses, systems, and methods are also disclosed.
    Type: Grant
    Filed: August 29, 2019
    Date of Patent: March 9, 2021
    Assignee: Juniper Networks, Inc
    Inventors: Peng Su, Valery Kugel, Jimmy Chun-Chuen Leung
  • Patent number: 10856446
    Abstract: A cooling manifold positioned on an electrical or computer to provide liquid cooling for a plurality of slot-mounted electrical modules received in a corresponding plurally of module slots arranged in faceplate assembly of an electrical or computer card is described and illustrated.
    Type: Grant
    Filed: February 8, 2018
    Date of Patent: December 1, 2020
    Assignee: Juniper Networks, Inc.
    Inventors: Franklin D. Boyden, Jimmy Chun-Chuen Leung
  • Patent number: 10645839
    Abstract: The disclosed apparatus may include (1) an FRU that (A) is designed to mate with a backplane of a telecommunications system and (B) facilitates communication among computing devices within a network and (2) at least one multi-bar ejector that (A) is coupled to the FRU, (B) fastens to a housing of the telecommunications system to enable the FRU to mate with the backplane of the telecommunications system, and (C) includes a spring coupled to at least one bar of the multi-bar ejector that, when the multi-bar ejector is fastened to the housing of the telecommunications system, applies a force on the FRU that pushes the FRU toward the backplane of the telecommunications system. Various other apparatuses, systems, and methods are also disclosed.
    Type: Grant
    Filed: August 31, 2018
    Date of Patent: May 5, 2020
    Assignee: Juniper Networks, Inc.
    Inventors: Jimmy Chun-Chuen Leung, Franklin D. Boyden
  • Publication number: 20200077537
    Abstract: The disclosed apparatus may include (1) an FRU that (A) is designed to mate with a backplane of a telecommunications system and (B) facilitates communication among computing devices within a network and (2) at least one multi-bar ejector that (A) is coupled to the FRU, (B) fastens to a housing of the telecommunications system to enable the FRU to mate with the backplane of the telecommunications system, and (C) includes a spring coupled to at least one bar of the multi-bar ejector that, when the multi-bar ejector is fastened to the housing of the telecommunications system, applies a force on the FRU that pushes the FRU toward the backplane of the telecommunications system. Various other apparatuses, systems, and methods are also disclosed.
    Type: Application
    Filed: August 31, 2018
    Publication date: March 5, 2020
    Inventors: Jimmy Chun-Chuen Leung, Franklin D. Boyden
  • Patent number: 10566801
    Abstract: The disclosed apparatus may include (1) a power distribution module that (A) distributes power to a network device that forwards traffic within a network and (B) includes a series of interlock blocks keyed to (I) enable power supply modules whose electrical ratings satisfy a certain threshold to be installed to the network device and (II) prevent other power supply modules whose electrical ratings do not satisfy the certain threshold from being installed to the network device and (2) at least one power supply module that (A) has an electrical rating that satisfies the certain threshold, (B) includes a flange that is keyed to fit between the interlock blocks of the power distribution module, and when installed to the network device by way of the power distribution module, (C) provides power to the network device that forwards traffic within the network. Various other apparatuses, systems, and methods are also disclosed.
    Type: Grant
    Filed: January 2, 2018
    Date of Patent: February 18, 2020
    Assignee: Juniper Networks, Inc
    Inventors: Jimmy Chun-Chuen Leung, Seongchul C. Kim
  • Publication number: 20190246523
    Abstract: A cooling manifold positioned on an electrical or computer to provide liquid cooling for a plurality of slot-mounted electrical modules received in a corresponding plurally of module slots arranged in faceplate assembly of an electrical or computer card is described and illustrated.
    Type: Application
    Filed: February 8, 2018
    Publication date: August 8, 2019
    Inventors: Franklin D. Boyden, Jimmy Chun-Chuen Leung
  • Publication number: 20190204800
    Abstract: The disclosed apparatus may include (1) a power distribution module that (A) distributes power to a network device that forwards traffic within a network and (B) includes a series of interlock blocks keyed to (I) enable power supply modules whose electrical ratings satisfy a certain threshold to be installed to the network device and (II) prevent other power supply modules whose electrical ratings do not satisfy the certain threshold from being installed to the network device and (2) at least one power supply module that (A) has an electrical rating that satisfies the certain threshold, (B) includes a flange that is keyed to fit between the interlock blocks of the power distribution module, and when installed to the network device by way of the power distribution module, (C) provides power to the network device that forwards traffic within the network. Various other apparatuses, systems, and methods are also disclosed.
    Type: Application
    Filed: January 2, 2018
    Publication date: July 4, 2019
    Inventors: Jimmy Chun-Chuen Leung, Seongchul C. Kim
  • Patent number: 10313766
    Abstract: The disclosed apparatus may include (1) a Field-Replaceable Unit (FRU) that (A) is designed to mate with a backplane of a telecommunications system and (B) facilitates communication among computing devices within a network and (2) at least one helical ejector that (A) is coupled to the FRU, (B) fastens to a housing of the telecommunications system to enable the FRU to mate with the backplane of the telecommunications system, and (C) includes at least one spring that, when the helical ejector is fastened to the housing of the telecommunications system, applies a force on the FRU that pushes the FRU toward the backplane of the telecommunications system. Various other apparatuses, systems, and methods are also disclosed.
    Type: Grant
    Filed: July 1, 2017
    Date of Patent: June 4, 2019
    Assignee: Juniper Networks, Inc.
    Inventors: Jimmy Chun-Chuen Leung, Franklin D. Boyden
  • Patent number: 9788454
    Abstract: The disclosed apparatus may include (1) a housing designed to house a field-replaceable unit within a telecommunication system, (2) a connector that is designed to electrically interface the field-replaceable unit with the telecommunication system in the housing, (3) a spring that is coupled to the housing, and (4) a movable injection cam that is coupled to the spring such that, when the field-replaceable unit is installed in the housing by way of an ejection lever that presses against the movable injection cam, the spring applies a force on the movable injection cam that causes the movable injection cam to push the field-replaceable unit toward the connector. Various other apparatuses, systems, and methods are also disclosed.
    Type: Grant
    Filed: March 25, 2016
    Date of Patent: October 10, 2017
    Assignee: Juniper Networks, Inc.
    Inventors: Jimmy Chun-Chuen Leung, John I. Kull, Seongchul C. Kim, Franklin D. Boyden