公开(公告)号：US10031569B2

公开(公告)日：2018-07-24

申请号：US15112560

申请日：2014-01-31

Applicant: HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.

Inventor： Nam Nguyen ,  Robert S Wright ,  Binh T Truong

IPC: G06F1/26 ,  G06F1/32 ,  G06F9/44 ,  G06F9/4401

Abstract: One of a first voltage and a second voltage may be selected based on input from a basic input/output system (BIOS). One of the selected voltage and no voltage may be output to a carrier detect (CD) pin and a ring Indicator (RI) pin of a serial communication port, based on the input from the BIOS.

公开(公告)号：US20160334857A1

公开(公告)日：2016-11-17

申请号：US15112620

申请日：2014-01-31

Applicant: HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.

Inventor： Louis Hobson ,  Michael R Durham ,  Robert S. Wright ,  Robert S Wright

IPC: G06F1/32 ,  G06F9/44

CPC classification number: G06F1/3287 ,  G06F1/26 ,  G06F1/3246 ,  G06F1/3296 ,  G06F9/4418 ,  Y02D10/172

Abstract: Examples herein disclose determining whether a computing device should implement a zero watt state according to an engagement of a button. The examples disconnect a power source to the computing device based upon the determination the computing device should implement the zero watt state.

Abstract translation: 本文的示例公开了根据按钮的接合来确定计算设备是否应当实现零瓦特状态。 这些示例基于计算设备应该实现零瓦特状态的确定来断开计算设备的电源。

公开(公告)号：US09485103B2

公开(公告)日：2016-11-01

申请号：US13712856

申请日：2012-12-12

Applicant: Hewlett-Packard Development Company, L.P.

Inventor： Robert S Wright ,  Robert C Brooks

IPC: H04L12/10 ,  G06F1/26

CPC classification number: H04L12/10 ,  G06F1/26

Abstract: A network powered device includes field effect transistors connected as bridge circuit. The bridge circuit includes control circuitry to enable the FETs based on completion of a powered device detection sequence performed by power sourcing equipment coupled to the device via an Ethernet link.

Abstract translation: 网络供电设备包括作为桥接电路连接的场效应晶体管。 桥接电路包括控制电路，用于基于通过以太网链路耦合到设备的电源设备完成的有源设备检测序列来实现FET。

公开(公告)号：US10001831B2

公开(公告)日：2018-06-19

申请号：US15112620

申请日：2014-01-31

Applicant: Hewlett-Packard Development Company, L.P.

Inventor： Louis B Hobson ,  Michael R Durham ,  Robert S Wright

IPC: G06F1/32 ,  G06F1/26 ,  G06F9/44

CPC classification number: G06F1/3287 ,  G06F1/26 ,  G06F1/3246 ,  G06F1/3296 ,  G06F9/4418 ,  Y02D10/172

Abstract: Examples herein disclose determining whether a computing device should implement a zero watt state according to an engagement of a button. The examples disconnect a power source to the computing device based upon the determination the computing device should implement the zero watt state.

公开(公告)号：US20160352322A1

公开(公告)日：2016-12-01

申请号：US14908722

申请日：2013-07-31

Applicant: HEWLETT-PACKARD DEVELOPMENT COMPANY, L.P.

Inventor： Robert S Wright ,  Michael R. Durham ,  Nam Nguyen

IPC: H03K17/0814 ,  H02M3/156 ,  H02M1/32 ,  H03K7/08

CPC classification number: H03K17/08142 ,  H02M1/32 ,  H02M3/156 ,  H03K7/08 ,  H03K17/163

Abstract: Example implementations relate to controlling a field-effect transistor (FET) switch in a load switch circuit. A digital pulse width modulated (PWM) voltage signal may be applied to a gate of a FET switch. The pulse width of the PWM voltage signal may be set to a first value. The pulse width of the digital PWM voltage signal may be digitally incremented to a second value. The digital PWM voltage signal having the pulse width of the second value may be applied to the gate of the FET switch.

Abstract translation: 示例实现涉及控制负载开关电路中的场效应晶体管（FET）开关。 数字脉宽调制（PWM）电压信号可以施加到FET开关的栅极。 PWM电压信号的脉冲宽度可以被设置为第一值。 数字PWM电压信号的脉冲宽度可以数字地增加到第二值。 具有第二值的脉冲宽度的数字PWM电压信号可以被施加到FET开关的栅极。