WO2009079336A3 - Multi-power charger and battery backup system - Google Patents

Multi-power charger and battery backup system Download PDF

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Publication number
WO2009079336A3
WO2009079336A3 PCT/US2008/086422 US2008086422W WO2009079336A3 WO 2009079336 A3 WO2009079336 A3 WO 2009079336A3 US 2008086422 W US2008086422 W US 2008086422W WO 2009079336 A3 WO2009079336 A3 WO 2009079336A3
Authority
WO
WIPO (PCT)
Prior art keywords
backup system
battery backup
power charger
operating voltage
power
Prior art date
Application number
PCT/US2008/086422
Other languages
French (fr)
Other versions
WO2009079336A2 (en
Inventor
Anand Kumar Chavakula
Original Assignee
Anand Kumar Chavakula
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=40796100&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=WO2009079336(A3) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Anand Kumar Chavakula filed Critical Anand Kumar Chavakula
Publication of WO2009079336A2 publication Critical patent/WO2009079336A2/en
Publication of WO2009079336A3 publication Critical patent/WO2009079336A3/en

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/0068—Battery or charger load switching, e.g. concurrent charging and load supply
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/0047—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with monitoring or indicating devices or circuits
    • H02J7/0048—Detection of remaining charge capacity or state of charge [SOC]
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/0047—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with monitoring or indicating devices or circuits
    • H02J7/0048—Detection of remaining charge capacity or state of charge [SOC]
    • H02J7/0049—Detection of fully charged condition
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J2207/00—Indexing scheme relating to details of circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J2207/40—Indexing scheme relating to details of circuit arrangements for charging or depolarising batteries or for supplying loads from batteries adapted for charging from various sources, e.g. AC, DC or multivoltage
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/02—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries for charging batteries from ac mains by converters
    • H02J7/04—Regulation of charging current or voltage
    • H02J7/06—Regulation of charging current or voltage using discharge tubes or semiconductor devices

Abstract

A multi-power charger comprises an internal battery, receptacles for connecting one or more external power sources, and output receptacles for connecting to an electronic device. A voltage selection circuit determines an operating voltage of the first device and selects a power supply source to supply the operating voltage the device. The power supply source may be the internal battery, the external power source, or both. The operating voltage is delivered to the device via the output receptacle.
PCT/US2008/086422 2007-12-14 2008-12-11 Multi-power charger and battery backup system WO2009079336A2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US11/957,086 2007-12-14
US11/957,086 US7893657B2 (en) 2006-12-19 2007-12-14 Multi-power charger and battery backup system

Publications (2)

Publication Number Publication Date
WO2009079336A2 WO2009079336A2 (en) 2009-06-25
WO2009079336A3 true WO2009079336A3 (en) 2009-09-11

Family

ID=40796100

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2008/086422 WO2009079336A2 (en) 2007-12-14 2008-12-11 Multi-power charger and battery backup system

Country Status (2)

Country Link
US (2) US7893657B2 (en)
WO (1) WO2009079336A2 (en)

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Also Published As

Publication number Publication date
US8063610B2 (en) 2011-11-22
US20080143290A1 (en) 2008-06-19
WO2009079336A2 (en) 2009-06-25
US20110109261A1 (en) 2011-05-12
US7893657B2 (en) 2011-02-22

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