公开(公告)号：US20230308134A1

公开(公告)日：2023-09-28

申请号：US18186301

申请日：2023-03-20

Applicant: Cisco Technology, Inc.

Inventor： Douglas Paul Arduini ,  Sung Kee Baek ,  Richard Anthony O'Brien ,  Joel Richard Goergen ,  Chad M. Jones ,  Jason DeWayne Potterf ,  Ruqi Li

IPC: H04B3/54 ,  H02J13/00 ,  G01R31/50 ,  G01R31/08 ,  G05B9/02 ,  G06F1/30 ,  H04L12/10 ,  H04L12/40

CPC classification number: H04B3/54 ,  H02J13/00032 ,  G01R31/50 ,  G01R31/083 ,  G05B9/02 ,  G06F1/305 ,  H02J13/00 ,  H04L12/10 ,  H04L12/40045

Abstract: In one embodiment, a method includes receiving low voltage pulse power from power sourcing equipment at a powered device, synchronizing the powered device with a waveform of the low voltage pulse power received from the power sourcing equipment, and operating the powered device with high voltage pulse power received from the power sourcing equipment.

公开(公告)号：US20230036460A1

公开(公告)日：2023-02-02

申请号：US17964471

申请日：2022-10-12

Applicant: CISCO TECHNOLOGY, INC.

Inventor： Joel Richard Goergen ,  Chad M. Jones ,  Douglas Paul Arduini ,  Richard Anthony O'Brien ,  Daniel Lee Barsotti ,  Sung Kee Baek

IPC: H04L12/10 ,  H02H1/00 ,  H04B10/077 ,  H04B10/80 ,  H04B10/07

Abstract: In one embodiment, a method includes receiving at a remote network device, power and data from a central network device, wherein the power is used to power the remote network device, performing auto-negotiation with the central network device, wherein the auto-negotiation includes operating the remote network device in a low voltage mode during fault sensing of a power circuit at the remote network device, and selecting a power operating mode, wherein selecting the power operating mode includes selecting a high voltage mode if no fault is detected during the fault sensing, the high voltage mode comprising DC (direct current) pulse power. An apparatus is also disclosed herein.

公开(公告)号：US20220329448A1

公开(公告)日：2022-10-13

申请号：US17848881

申请日：2022-06-24

Applicant: Cisco Technology, Inc.

Inventor： Joel Richard Goergen ,  Chad M. Jones ,  Jessica Kiefer ,  Douglas Paul Arduini

IPC: H04L12/10 ,  G06F1/20 ,  G06F1/26 ,  H04L12/28

Abstract: In one embodiment, an apparatus includes a power adapter configured for direct connection to a Power Supply Unit (PSU) installed in a network device, the power adapter comprising a power input port for receiving power on an Ethernet cable, a power converter module for converting the power received at the power input port to a PSU input power, and a power output connector for connection with a PSU power input connector.

公开(公告)号：US20220190528A1

公开(公告)日：2022-06-16

申请号：US17122165

申请日：2020-12-15

Applicant: CISCO TECHNOLOGY, INC.

Inventor： Douglas Paul Arduini ,  Sung Kee Baek ,  Joel Richard Goergen

IPC: H01R13/66 ,  H01R13/713

Abstract: In one embodiment, and apparatus includes an electrical socket for connection with an electrical plug, a sensor for identifying a secure connection between the electrical socket and the electrical plug, and an electronic controller electrically coupled to the electrical socket and comprising a power input for receiving power. The electronic controller is operable to transmit power to the electrical socket upon receiving a signal from the sensor identifying the secure connection between the electrical socket and the electrical plug and shut off or turn on power to the electrical socket upon receiving an external input to the electronic controller. A method is also disclosed herein. The apparatus and method provide an electronic controlled power switch or circuit breaker safety device.

公开(公告)号：US20220116122A1

公开(公告)日：2022-04-14

申请号：US17560446

申请日：2021-12-23

Applicant: CISCO TECHNOLOGY, INC.

Inventor： Joel Richard Goergen ,  Chad M. Jones ,  Douglas Paul Arduini ,  Richard Anthony O'Brien ,  Daniel Lee Barsotti ,  Sung Kee Baek

IPC: H04B10/80 ,  H02H1/00 ,  H02J1/00 ,  H04B10/077 ,  H04B10/07

Abstract: In one embodiment, a method includes receiving at a remote network device, power and data from a central network device, wherein the power is used to power the remote network device, performing auto-negotiation with the central network device, wherein the auto-negotiation includes operating the remote network device in a low voltage mode during fault sensing of a power circuit at the remote network device, and selecting a power operating mode, wherein selecting the power operating mode includes selecting a high voltage mode if no fault is detected during the fault sensing, the high voltage mode comprising DC (direct current) pulse power. An apparatus is also disclosed herein.

公开(公告)号：US10763749B2

公开(公告)日：2020-09-01

申请号：US16191308

申请日：2018-11-14

Applicant: CISCO TECHNOLOGY, INC.

Inventor： Douglas Paul Arduini ,  Joel Richard Goergen ,  Sung Kee Baek

IPC: H02M1/42 ,  H02M3/158

Abstract: In one embodiment, an apparatus includes a first stage comprising a first active switch, a first resonant inductor, and a resonant capacitor and a second stage comprising a second active switch, a second resonant inductor, and a filter capacitor. The first and second stages form a non-isolated multi-resonant converter for converting a DC input voltage to a DC output voltage.

公开(公告)号：US10735105B2

公开(公告)日：2020-08-04

申请号：US15971729

申请日：2018-05-04

Applicant: CISCO TECHNOLOGY, INC.

Inventor： Joel Richard Goergen ,  Chad M. Jones ,  Douglas Paul Arduini ,  Richard Anthony O'Brien ,  Daniel Lee Barsotti ,  Sung Kee Baek

IPC: H04B10/07 ,  H04B10/80 ,  H02H1/00 ,  H02J1/00 ,  H04B10/077

Abstract: In one embodiment, a method includes receiving power at an optical transceiver module at a remote network device on a cable delivering power and data from a central network device, operating the remote network device in a low voltage startup mode during fault sensing at the remote network device, transmitting on the cable, a data signal to the central network device, the data signal indicating an operating status based on the fault sensing, and receiving high voltage power from the central network device on the cable at the remote network device upon transmitting an indication of a safe operating status at the remote network device, wherein the remote network device is powered by the high voltage power. An apparatus is also disclosed herein.

公开(公告)号：US20190342011A1

公开(公告)日：2019-11-07

申请号：US15971729

申请日：2018-05-04

Applicant: CISCO TECHNOLOGY, INC.

Inventor： Joel Richard Goergen ,  Chad M. Jones ,  Douglas Paul Arduini ,  Richard Anthony O'Brien ,  Daniel Lee Barsotti ,  Sung Kee Baek

IPC: H04B10/80 ,  H02J1/00 ,  H02H1/00 ,  H04B10/077

Abstract: In one embodiment, a method includes receiving power at an optical transceiver module at a remote network device on a cable delivering power and data from a central network device, operating the remote network device in a low voltage startup mode during fault sensing at the remote network device, transmitting on the cable, a data signal to the central network device, the data signal indicating an operating status based on the fault sensing, and receiving high voltage power from the central network device on the cable at the remote network device upon transmitting an indication of a safe operating status at the remote network device, wherein the remote network device is powered by the high voltage power. An apparatus is also disclosed herein.