公开(公告)号：US11838060B2

公开(公告)日：2023-12-05

申请号：US17502848

申请日：2021-10-15

Applicant: Cisco Technology, Inc.

Inventor： Joel Richard Goergen ,  Charles Calvin Byers ,  Robert Gregory Twiss ,  D. Brice Achkir ,  Chad M. Jones

IPC: H04B10/80 ,  G02B6/42 ,  H04L12/40 ,  H04M19/08 ,  H04L12/12 ,  H04L12/10 ,  H02J50/80 ,  H02J50/30 ,  G02B6/38 ,  H02S40/38 ,  G01J3/02

CPC classification number: H04B10/807 ,  G02B6/4293 ,  H02J50/30 ,  H02J50/80 ,  H04L12/10 ,  H04L12/12 ,  H04L12/40045 ,  H04L12/40091 ,  H04L12/40176 ,  H04M19/08 ,  G01J3/0218 ,  G02B6/3817 ,  H02S40/38

Abstract: In one embodiment, a method includes receiving power delivered over a data fiber cable at an optical transceiver installed at a network communications device and transmitting data and the power from the optical transceiver to the network communications device. The network communications device is powered by the power received from the optical transceiver. An apparatus is also disclosed herein.

公开(公告)号：US11683190B2

公开(公告)日：2023-06-20

申请号：US17177027

申请日：2021-02-16

Applicant: CISCO TECHNOLOGY, INC.

Inventor： Joel Richard Goergen ,  Chad M. Jones ,  Paolo Sironi

IPC: H04L12/10 ,  H04L12/40 ,  G01R31/08 ,  G01R31/58 ,  G01R31/52

CPC classification number: H04L12/10 ,  G01R31/083 ,  G01R31/58 ,  H04L12/40039 ,  H04L12/40045 ,  G01R31/52

Abstract: In one embodiment, a method includes transmitting power in a power and data distribution system comprising at least two pairs of wires, negotiating a power level between Power Sourcing Equipment (PSE) and a Powered Device (PD) in the power and data distribution system, transmitting the power at a power level greater than 100 watts, periodically checking each of the wires for a fault, and checking for an electrical imbalance at the wires.

公开(公告)号：US11637497B2

公开(公告)日：2023-04-25

申请号：US16805580

申请日：2020-02-28

Applicant: CISCO TECHNOLOGY, INC.

Inventor： Richard Anthony O'Brien ,  Joel Richard Goergen ,  Chad M. Jones ,  Jason DeWayne Potterf ,  George Allan Zimmerman

IPC: H02M3/158 ,  H02J1/10 ,  G06F1/18

Abstract: In one embodiment, a method includes transmitting multi-phase pulse power from power sourcing equipment to a powered device in a data center, wherein the multi-phase pulse power comprises multiple phases of power delivered in a sequence of pulses defined by alternating low direct current voltage states and high direct current voltage states, and synchronizing the pulses at the power sourcing equipment with the pulses at the powered device.

公开(公告)号：US20230033244A1

公开(公告)日：2023-02-02

申请号：US17963475

申请日：2022-10-11

Applicant: CISCO TECHNOLOGY, INC.

Inventor： Joel Richard Goergen ,  Chad M. Jones

IPC: H02J3/38 ,  H02J13/00 ,  H04L12/10

Abstract: In one embodiment, a power system includes a power panel operable to distribute alternating current (AC) power and pulse power to a plurality of power outlets and having an AC circuit breaker and a pulse power circuit breaker, the pulse power comprising a sequence of pulses alternating between a low direct current (DC) voltage state and a high DC voltage state, a power inverter and converter coupled to the power panel through an AC power connection and a pulse power connection and including a DC power input for receiving DC power from a renewable energy source, an AC power input for receiving AC power, and a connection to an energy storage device, and a power controller in communication with the power inverter and converter and operable to balance power load and allocate power received at the DC power input and the AC power input to the power panel.

公开(公告)号：US11444791B2

公开(公告)日：2022-09-13

申请号：US16999754

申请日：2020-08-21

Applicant: CISCO TECHNOLOGY, INC.

Inventor： Chad M. Jones ,  Joel Richard Goergen ,  George Allan Zimmerman ,  Richard Anthony O'Brien ,  Douglas Paul Arduini ,  Jason Dewayne Potterf ,  Sung Kee Baek

IPC: H03M13/00 ,  H04L12/10 ,  H03M13/03 ,  H04B3/54 ,  H04L41/12 ,  H04W80/02

Abstract: In one embodiment, a method includes transmitting pulse power on two wire pairs, the pulse power comprising a plurality of high voltage pulses with the high voltage pulses on the wire pairs offset between the wire pairs to provide continuous power, performing low voltage fault detection on each of the wire pairs between the high voltage pulses, and transmitting data on at least one of the wire pairs during transmittal of the high voltage pulses. Data transmittal is suspended during the low voltage fault detection.

公开(公告)号：US11358860B2

公开(公告)日：2022-06-14

申请号：US17064570

申请日：2020-10-06

Applicant: CISCO TECHNOLOGY, INC.

Inventor： Joel Richard Goergen

IPC: H01L23/433 ,  B81B7/00 ,  B81B7/02

Abstract: In one or more embodiments, an apparatus generally comprises a microelectromechanical system (MEMS) module comprising a plurality of air movement cells and a power unit operable to control the plurality of air movement cells, and a housing configured for slidably receiving the MEMS module and positioning the MEMS module adjacent to a heat generating component of a network device. The MEMS module is operable to dissipate heat from the heat generating component and is configured for online installation and removal during operation of the heat generating component.

公开(公告)号：US20220128350A1

公开(公告)日：2022-04-28

申请号：US17573219

申请日：2022-01-11

Applicant: Cisco Technology, Inc.

Inventor： Amendra Koul ,  Yaochao Yang ,  Mike Sapozhnikov ,  Joel Richard Goergen ,  Kartheek Nalla

IPC: G01B11/24 ,  G01N21/956 ,  G01B11/26 ,  H05K3/00

Abstract: A method is provided that includes inspecting a layer of a printed circuit board through an inspection window comprising an opening formed in one or more other layers of the printed circuit board and identifying a location of a trace aligned with the inspection window, relative to a marker in a fiber bundle of a fiber weave to assess fiber weave skew.

公开(公告)号：US11307368B2

公开(公告)日：2022-04-19

申请号：US16983932

申请日：2020-08-03

Applicant: CISCO TECHNOLOGY, INC.

Inventor： Joel Richard Goergen

IPC: G02B6/12 ,  G02B6/42 ,  H01L23/498 ,  H01L23/367

Abstract: In one embodiment, an apparatus includes an upper cold plate and a lower cold plate, at least one of the upper cold plate or the lower cold plate comprising an electrical or optical path extending therethrough, a substrate and die package interposed between the upper cold plate or the lower cold plate, and a connector coupled to one of the upper cold plate or the lower cold plate for transmitting power or an optical signal through the electrical or optical path to the substrate and die package.

公开(公告)号：US20220116238A1

公开(公告)日：2022-04-14

申请号：US17560424

申请日：2021-12-23

Applicant: CISCO TECHNOLOGY, INC.

Inventor： Richard Anthony O'Brien ,  Douglas Paul Arduini ,  Sung Kee Baek ,  Ruqi Li ,  Joel Richard Goergen

IPC: H04L12/10 ,  G01R31/08 ,  H04L41/0677

Abstract: In one embodiment, an apparatus comprises an input power interface for receiving input power, a power control system for transmitting DC (Direct Current) pulse power on multiple phases over a cable to a plurality of powered devices and verifying cable operation during an off-time of pulses in the DC pulse power, and a cable interface for delivery of the DC pulse power on the multiple phases and data over the cable to the powered devices. A method for transmitting multiple phase pulse power is also disclosed herein.

公开(公告)号：US11212937B2

公开(公告)日：2021-12-28

申请号：US16360956

申请日：2019-03-21

Applicant: CISCO TECHNOLOGY, INC.

Inventor： Paolo Sironi ,  Emanuele Umberto Giacometti ,  Rohit Dev Gupta ,  Joel Richard Goergen

IPC: G05B19/05 ,  H05K7/20

Abstract: In one embodiment, a method includes detecting reverse rotation of a fan inserted into a modular electronic system comprising at least one other fan, wherein the reverse rotation of the fan is caused by a back pressure generated by the other fan rotating in a forward direction, applying current pulses to stop reverse rotation of the inserted fan and start rotation of the fan in a forward direction, and operating all of the fans with rotation in the forward direction.