EP1360571A4 - Power managing in a system having internal usb hub - Google Patents

Power managing in a system having internal usb hub

Info

Publication number
EP1360571A4
EP1360571A4 EP01273738A EP01273738A EP1360571A4 EP 1360571 A4 EP1360571 A4 EP 1360571A4 EP 01273738 A EP01273738 A EP 01273738A EP 01273738 A EP01273738 A EP 01273738A EP 1360571 A4 EP1360571 A4 EP 1360571A4
Authority
EP
European Patent Office
Prior art keywords
usb hub
power managing
internal usb
internal
managing
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
EP01273738A
Other languages
German (de)
French (fr)
Other versions
EP1360571A1 (en
Inventor
Mark Evan Cohen
James Christopher Loebach
Carl Joseph Muti Jr
Thomas Wayne Studwell
Osamu Yamamoto
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Lenovo Singapore Pte Ltd
Original Assignee
Lenovo Singapore Pte Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from US09/802,659 external-priority patent/US6928562B2/en
Application filed by Lenovo Singapore Pte Ltd filed Critical Lenovo Singapore Pte Ltd
Publication of EP1360571A1 publication Critical patent/EP1360571A1/en
Publication of EP1360571A4 publication Critical patent/EP1360571A4/en
Ceased legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F13/00—Interconnection of, or transfer of information or other signals between, memories, input/output devices or central processing units
    • G06F13/38—Information transfer, e.g. on bus
    • G06F13/40—Bus structure
    • G06F13/4063—Device-to-bus coupling
    • G06F13/4068—Electrical coupling
    • G06F13/4081—Live connection to bus, e.g. hot-plugging
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/26—Power supply means, e.g. regulation thereof
    • G06F1/32—Means for saving power

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • Power Sources (AREA)
EP01273738A 2001-01-18 2001-12-11 Power managing in a system having internal usb hub Ceased EP1360571A4 (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US802659 1991-12-03
US26300701P 2001-01-18 2001-01-18
US263007P 2001-01-18
US09/802,659 US6928562B2 (en) 2001-03-09 2001-03-09 Method and system for managing power in a system having an internal USB HUB
PCT/US2001/047259 WO2002065264A1 (en) 2001-01-18 2001-12-11 Power managing in a system having internal usb hub

Publications (2)

Publication Number Publication Date
EP1360571A1 EP1360571A1 (en) 2003-11-12
EP1360571A4 true EP1360571A4 (en) 2009-03-04

Family

ID=26949608

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01273738A Ceased EP1360571A4 (en) 2001-01-18 2001-12-11 Power managing in a system having internal usb hub

Country Status (9)

Country Link
EP (1) EP1360571A4 (en)
JP (1) JP3810368B2 (en)
KR (1) KR100523417B1 (en)
CN (1) CN1256643C (en)
CZ (1) CZ20031965A3 (en)
HU (1) HUP0302769A3 (en)
PL (1) PL205182B1 (en)
TW (1) TWI222553B (en)
WO (1) WO2002065264A1 (en)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20040042923A (en) 2002-11-14 2004-05-22 엘지전자 주식회사 Method for controlling auxiliary device drive in portable computer
JP2004287960A (en) * 2003-03-24 2004-10-14 Fuji Photo Film Co Ltd Host/function device
JP2005182462A (en) * 2003-12-19 2005-07-07 Toshiba Corp Electronic appliance, unit driving device and method for controlling interface of unit driving device
US7895384B2 (en) 2004-05-10 2011-02-22 Sony Computer Entertainment Inc. Portable terminal and USB device
JP5016783B2 (en) 2004-08-11 2012-09-05 株式会社東芝 Information processing apparatus and power supply control method thereof
KR101145542B1 (en) 2004-10-27 2012-05-15 엘지전자 주식회사 Apparatus and method for controling Power Management
US7512720B2 (en) * 2005-04-29 2009-03-31 Sigmatel, Inc. System and method for accessing universal serial bus networks
JP2006344159A (en) 2005-06-10 2006-12-21 Toshiba Information Systems (Japan) Corp Communication controller for common bus connecting device
KR100763948B1 (en) * 2005-07-12 2007-10-05 삼성전자주식회사 display apparatus Comprising USB Universial Serial Bus Hub
JP2007156921A (en) * 2005-12-06 2007-06-21 Y E Data Inc Failure detection/recovery system of usb device, program thereof, recording medium with the program recorded thereon, and failure detection/recovery method
US7849334B2 (en) * 2006-09-29 2010-12-07 Intel Coporation Transitioning a computing platform to a low power system state
JP2009009337A (en) * 2007-06-27 2009-01-15 Sharp Corp Signal processor and power saving method in signal processor
TW201015286A (en) * 2008-10-02 2010-04-16 Alcor Micro Corp Bridging device with power-saving function
KR100932481B1 (en) * 2009-04-24 2009-12-17 손청하 USS power supply and its method
CN102193613A (en) * 2010-03-09 2011-09-21 张乃千 Energy-and-electricity-saving control method for electronic device
DE112011101073T5 (en) * 2010-03-26 2013-01-10 Power Systems Technologies,Ltd. Power supply with a hub for a universal serial bus
KR101729511B1 (en) 2010-05-25 2017-04-24 삼성전자 주식회사 Computer system and control method thereof
US20130179603A1 (en) * 2012-01-06 2013-07-11 Chun-An Tu Apparatus and method of identifying a usb or an mhl device
US9792239B2 (en) * 2014-02-27 2017-10-17 Genesis Technology Usa, Inc. Tablet case with switching circuit for on-the-go USB port
CN104461992B (en) * 2014-10-31 2018-07-06 苏州达方电子有限公司 Electronic device
IT201900005822A1 (en) 2019-04-15 2020-10-15 Phoenix Ict S R L S GENERAL PURPOSE PERIPHERAL ADAPTER FOR COMPUTER
CN111309660B (en) * 2020-02-17 2021-07-09 深圳市普威技术有限公司 Host device, terminal device and data interaction system

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5675813A (en) * 1995-10-26 1997-10-07 Microsoft Corporation System and method for power control in a universal serial bus
US5799196A (en) * 1996-07-02 1998-08-25 Gateway 2000, Inc. Method and apparatus of providing power management using a self-powered universal serial bus (USB) device
US6105097A (en) * 1998-10-14 2000-08-15 Cypress Semiconductor Corp. Device and method for interconnecting universal serial buses including power management

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4635186A (en) * 1983-06-20 1987-01-06 International Business Machines Corporation Detection and correction of multi-chip synchronization errors
FR2598836B1 (en) * 1986-05-15 1988-09-09 Copernique INTERMEDIATE DEVICE FOR INDEPENDENT CONNECTION TO A COMPUTER ASSEMBLY OF AUXILIARY MEMORY UNITS
US6279060B1 (en) * 1998-12-04 2001-08-21 In-System Design, Inc. Universal serial bus peripheral bridge simulates a device disconnect condition to a host when the device is in a not-ready condition to avoid wasting bus resources

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5675813A (en) * 1995-10-26 1997-10-07 Microsoft Corporation System and method for power control in a universal serial bus
US5799196A (en) * 1996-07-02 1998-08-25 Gateway 2000, Inc. Method and apparatus of providing power management using a self-powered universal serial bus (USB) device
US6105097A (en) * 1998-10-14 2000-08-15 Cypress Semiconductor Corp. Device and method for interconnecting universal serial buses including power management

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO02065264A1 *

Also Published As

Publication number Publication date
CN1256643C (en) 2006-05-17
HUP0302769A2 (en) 2003-11-28
EP1360571A1 (en) 2003-11-12
HUP0302769A3 (en) 2005-08-29
CN1578941A (en) 2005-02-09
KR100523417B1 (en) 2005-10-25
JP2004521419A (en) 2004-07-15
JP3810368B2 (en) 2006-08-16
WO2002065264A1 (en) 2002-08-22
CZ20031965A3 (en) 2003-11-12
PL205182B1 (en) 2010-03-31
PL362602A1 (en) 2004-11-02
TWI222553B (en) 2004-10-21
KR20030070915A (en) 2003-09-02

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Legal Events

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PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

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RIN1 Information on inventor provided before grant (corrected)

Inventor name: YAMAMOTO, OSAMU,C/O IBM UNITED KINGDOM LIMITED

Inventor name: STUDWELL, THOMAS, WAYNE

Inventor name: MUTI, CARL, JOSEPH, JR.

Inventor name: LOEBACH, JAMES, CHRISTOPHER

Inventor name: COHEN, MARK, EVAN

RAP1 Party data changed (applicant data changed or rights of an application transferred)

Owner name: LENOVO (SINGAPORE) PTE. LTD.

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Effective date: 20090202

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