WO2006019850A3 - Method and system for discovering a power source on a peripheral bus - Google Patents

Method and system for discovering a power source on a peripheral bus Download PDF

Info

Publication number
WO2006019850A3
WO2006019850A3 PCT/US2005/024906 US2005024906W WO2006019850A3 WO 2006019850 A3 WO2006019850 A3 WO 2006019850A3 US 2005024906 W US2005024906 W US 2005024906W WO 2006019850 A3 WO2006019850 A3 WO 2006019850A3
Authority
WO
WIPO (PCT)
Prior art keywords
power source
power
peripheral bus
electronic device
discovering
Prior art date
Application number
PCT/US2005/024906
Other languages
French (fr)
Other versions
WO2006019850A2 (en
Inventor
David John Tupman
Ken Herman
Barry Twycross
Original Assignee
Apple Computer
David John Tupman
Ken Herman
Barry Twycross
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
Application filed by Apple Computer, David John Tupman, Ken Herman, Barry Twycross filed Critical Apple Computer
Priority to JP2007522569A priority Critical patent/JP4664362B2/en
Priority to EP05771312.5A priority patent/EP1769313B1/en
Publication of WO2006019850A2 publication Critical patent/WO2006019850A2/en
Publication of WO2006019850A3 publication Critical patent/WO2006019850A3/en
Priority to HK07110469.4A priority patent/HK1102339A1/en

Links

Classifications

    • 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
    • G06F1/266—Arrangements to supply power to external peripherals either directly from the computer or under computer control, e.g. supply of power through the communication port, computer controlled power-strips
    • 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
    • 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
    • G06F1/30—Means for acting in the event of power-supply failure or interruption, e.g. power-supply fluctuations

Abstract

Improved techniques to recognize a power source on a peripheral bus and/or determine power available from the power source via the peripheral bus are disclosed. Typically, the peripheral bus is supported by a cable connected between a host device and an electronic device. In this case, the host device is a power source (e.g., power adapter or battery pack) and the cable is used to provide power from the power source to the electronic device. Hence, by understanding the power available from the power source, the electronic device can manage its power utilization so as to operate in a stable and reliable manner. The electronic device is, for example, a portable computing device. Examples of portable computing devices include a Portable Digital Assistant (PDA) and a portable media player.
PCT/US2005/024906 2004-07-18 2005-07-12 Method and system for discovering a power source on a peripheral bus WO2006019850A2 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP2007522569A JP4664362B2 (en) 2004-07-18 2005-07-12 Electrical device, method for identifying host device, method for determining power availability of power supply, and method for managing power usage of electrical device
EP05771312.5A EP1769313B1 (en) 2004-07-18 2005-07-12 Method and system for discovering a power source on a peripheral bus
HK07110469.4A HK1102339A1 (en) 2004-07-18 2007-09-27 Method and system for discovering a power source on a peripheral bus

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
US58895904P 2004-07-18 2004-07-18
US60/588,959 2004-07-18
US60895904P 2004-10-08 2004-10-08
US60/608,959 2004-10-08
US11/031,288 2005-01-07
US11/031,288 US7581119B2 (en) 2004-07-18 2005-01-07 Method and system for discovering a power source on a peripheral bus

Publications (2)

Publication Number Publication Date
WO2006019850A2 WO2006019850A2 (en) 2006-02-23
WO2006019850A3 true WO2006019850A3 (en) 2006-05-26

Family

ID=35004185

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2005/024906 WO2006019850A2 (en) 2004-07-18 2005-07-12 Method and system for discovering a power source on a peripheral bus

Country Status (7)

Country Link
US (3) US7581119B2 (en)
EP (2) EP1769313B1 (en)
JP (2) JP4664362B2 (en)
KR (2) KR100947697B1 (en)
CN (2) CN100573417C (en)
HK (1) HK1102339A1 (en)
WO (1) WO2006019850A2 (en)

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