Source: http://www.google.com/patents/US7791314?dq=6,272,646
Timestamp: 2016-06-28 22:34:17
Document Index: 464414133

Matched Legal Cases: ['Application No. 200410062105', 'Application No. 2004087906', 'Application No. 2004087906', 'Application No. 093119744', 'Application No. 93102793', 'Application No. 04014686', 'Application No. 04002904', 'Application No. 04002904', 'Application No. 04006551', 'Application No. 04014686', 'Application No. 04002904', 'Application No. 04006551', 'Application No. 2005', 'Application No. 2003354266', 'Application No. 2004194913', 'Application No. 10', 'Application No. 10', 'application No. 10', 'Application No. 04014686', 'Application No. 12193860', 'Application No. 92130623']

Patent US7791314 - Power management topologies to control power between a DC power source and ... - Google PatentsSearch Images Maps Play YouTube News Gmail Drive More »Sign inPatentsA power supply topology according to one embodiment includes a first path coupled to a controllable DC power source, a second path coupled to a rechargeable battery, and a third path coupled to a system load, the three paths coupled to a common node. The topology may further include a unidirectional...http://www.google.com/patents/US7791314?utm_source=gb-gplus-sharePatent US7791314 - Power management topologies to control power between a DC power source and one or more batteries to a system loadAdvanced Patent SearchPublication numberUS7791314 B2Publication typeGrantApplication numberUS 12/054,743Publication dateSep 7, 2010Priority dateSep 21, 2000Fee statusPaidAlso published asCN1330070C, CN1578047A, EP1494332A2, EP1494332A3, EP1494332B1, US7348760, US8120312, US20040178766, US20080231117, US20100327813Publication number054743, 12054743, US 7791314 B2, US 7791314B2, US-B2-7791314, US7791314 B2, US7791314B2InventorsConstantin Bucur, Vlad Mihail Popescu-Stanesti, Marian Niculae, Daryl NeesOriginal AssigneeO2Micro International LimitedExport CitationBiBTeX, EndNote, RefManPatent Citations (96), Non-Patent Citations (85), Referenced by (2), Classifications (31), Legal Events (2) External Links: USPTO, USPTO Assignment, EspacenetPower management topologies to control power between a DC power source and one or more batteries to a system load
Patent CitationsCited PatentFiling datePublication dateApplicantTitleUS3838327Aug 20, 1973Sep 24, 1974Yuasa Battery Co LtdBattery powered equipmentUS4270080Dec 14, 1978May 26, 1981Sun Electric CorporationAutomatic battery charge apparatus and methodUS4553081 *May 21, 1984Nov 12, 1985Norand CorporationPortable battery powered systemUS4621313Jun 28, 1985Nov 4, 1986Zenith Electronics CorporationSoft-start capacitor discharge circuitUS4812672Oct 1, 1987Mar 14, 1989Northern Telecom LimitedSelective connection of power suppliesUS5355073Sep 30, 1992Oct 11, 1994Compaq Computer CorporationBattery pack sensor for an AC adapterUS5442274Aug 26, 1993Aug 15, 1995Sanyo Electric Company, Ltd.Rechargeable battery charging methodUS5497066Feb 23, 1994Mar 5, 1996D & D Advanced Technologies, Inc.Battery booster systemUS5504454Jan 30, 1995Apr 2, 1996Westinghouse Elec. Corp.Demodulator for powerline carrier communicationsUS5536977Nov 30, 1993Jul 16, 1996Siliconix IncorporatedBidirectional current blocking MOSFET for battery disconnect switchingUS5572110Dec 15, 1994Nov 5, 1996Intel CorporationSmart battery charger systemUS5606242Oct 4, 1994Feb 25, 1997Duracell, Inc.Smart battery algorithm for reporting battery parameters to an external deviceUS5625275May 24, 1995Apr 29, 1997Ast Research, Inc.Power supply which provides a variable charging current to a battery in a portable computer systemUS5633573Nov 10, 1994May 27, 1997Duracell, Inc.Battery pack having a processor controlled battery operating systemUS5684382Jul 19, 1996Nov 4, 1997Compaq Computer CorporationControl of computer AC adapter output voltage via battery pack feedbackUS5698964Oct 20, 1995Dec 16, 1997Dell Usa, L.P.Adaptive power battery charging apparatusUS5715156Jun 24, 1996Feb 3, 1998Yilmaz; G. GeorgeMethod and apparatus for providing AC or DC power for battery powered toolsUS5723970Apr 5, 1996Mar 3, 1998Linear Technology CorporationBattery charging circuitry having supply current regulationUS5760570Nov 1, 1996Jun 2, 1998Sony CorporationRechargeable battery apparatusUS5764030Mar 14, 1997Jun 9, 1998International Components CorporationMicrocontrolled battery chargerUS5801514Jan 17, 1997Sep 1, 1998Fujitsu LimitedCharging-and-discharging control device, a battery pack, and an electronic apparatus with improved charge and discarge controlUS5819087Dec 31, 1996Oct 6, 1998Compaq Computer CorporationFlash ROM sharing between processor and microcontroller during booting and handling warm-booting eventsUS5894212Sep 19, 1997Apr 13, 1999Tarrytown Consulting, Inc.Discharge monitoring and isolating system for batteriesUS5894413Jan 28, 1997Apr 13, 1999Sony CorporationRedundant power supply switchover circuitUS5903764May 2, 1997May 11, 1999Micro International, Ltd.Smart battery selector offering power conversion internally within a portable deviceUS5905361Jan 17, 1997May 18, 1999Fujitsu LimitedCharging-and-discharging device, constant-voltage and constant-current control circuit, and electronic deviceUS5912549Aug 1, 1997Jun 15, 1999Lucent Technologies Inc.Current mode controller for continuous conduction mode power factor correction circuit and method of operation thereofUS5917308Sep 10, 1997Jun 29, 1999Lucent Technologies Inc.System and method for controlling excessive charging-current in a battery power systemUS5920475Aug 14, 1996Jul 6, 1999Lucent Technologies Inc.Circuit and method for controlling a synchronous rectifier converterUS5956222Sep 10, 1997Sep 21, 1999Target Hi-Tec Electronics Ltd.Electronic switch for quick, automatic response to current overloadsUS5959368Oct 24, 1997Sep 28, 1999Fujitsu LimitedPower supply apparatus for supplying power from a plurality of batteries to a plurality of loads, and electronic appliance using the power supply apparatusUS5998966Mar 20, 1998Dec 7, 1999International Components Corp.Microcontrolled battery chargerUS6002237Jun 3, 1998Dec 14, 1999International Components Corp.Microcontrolled battery chargerUS6025695 *May 29, 1998Feb 15, 2000Friel; Daniel D.Battery operating systemUS6029074May 2, 1997Feb 22, 2000Ericsson, Inc.Hand-held cellular telephone with power management featuresUS6118254Jul 30, 1999Sep 12, 2000Compaq Computer CorporationBattery charge control architecture for constant voltage maximum power operationUS6130813Jan 11, 1999Oct 10, 2000Dell U.S.A., L.P.Protection circuit for electronic devicesUS6140801Jul 7, 1999Oct 31, 2000Kabushiki Kaisha Toyoda Jidoshokki SeisakushoCircuit and method for charging a battery based on an allowable dissipation of a housingUS6144187Jul 13, 1999Nov 7, 2000Fairchild Semiconductor CorporationPower measurement for adaptive battery chargerUS6172478Feb 23, 2000Jan 9, 2001Telxon CorporationPower distribution in a portable deviceUS6177779Dec 3, 1998Jan 23, 2001Sony CorporationDevice and method for processing information, battery pack, and transmitting mediumUS6184660Mar 25, 1999Feb 6, 2001Micro International, Ltd.High-side current-sensing smart battery chargerUS6204633Aug 24, 1998Mar 20, 2001Fujitsu LimitedPower supply apparatus with chargeable battery and charge/discharge methodUS6225708Mar 24, 1999May 1, 2001International Business Machine CorporationUninterruptable power supplyUS6262562Oct 26, 2000Jul 17, 2001Dell Products, L.P.Increased battery capacity utilizing multiple smart batteriesUS6268711May 5, 2000Jul 31, 2001Texas Instruments IncorporatedBattery managerUS6300764Aug 14, 1998Oct 9, 2001Lockheed Martin CorporationApparatus and method for performing built-in testing of a squib fire networkUS6351110Apr 27, 2000Feb 26, 2002Stmicroelectronics S.R.L.Battery charger with current regulating circuitUS6369561Apr 27, 2000Apr 9, 2002Stmicroelectronics S.R.L.Method and apparatus for charging a batteryUS6396716Sep 20, 2001May 28, 2002The University Of Hong KongApparatus for improving stability and dynamic response of half-bridge converterUS6445164Jan 18, 2001Sep 3, 2002Fujitsu LimitedPower supply apparatus with chargeable battery and charge/discharge methodUS6445464Jan 21, 1999Sep 3, 2002Sony CorporationImage processing method and apparatusUS6459175Nov 17, 1998Oct 1, 2002Patrick H. PotegaUniversal power supplyUS6492792May 26, 2002Dec 10, 2002Motorola, IncBattery trickle charging circuitUS6498461Sep 7, 2001Dec 24, 2002O2 Micro International LimitedVoltage mode, high accuracy battery chargerUS6741066Sep 21, 2001May 25, 2004O2Micro International LimitedPower management for battery powered appliancesUS6815843Sep 8, 2000Nov 9, 2004Fujitsu LimitedPower supply deviceUS6879134Aug 27, 2003Apr 12, 2005O2Micro International LimitedSelector circuit for power management in multiple battery systemsUS6977448Apr 28, 2003Dec 20, 2005Hitachi, Ltd.Backup power supplyUS6977482Feb 11, 2003Dec 20, 2005O2Micro International LimitedSelector circuit for power management in multiple battery systemsUS7009364Mar 30, 2005Mar 7, 2006O2Micro International LimitedSelector circuit for power management in multiple battery systemsUS7064521Aug 27, 2003Jun 20, 2006O2Micro International LimitedCharging circuit for parallel charging in multiple battery systemsUS7088076Oct 14, 2003Aug 8, 2006O2Micro International LimitedPower management for battery powered appliancesUS20010013767Feb 12, 2001Aug 16, 2001Tsuyoshi TakemotoDischarge circuit and duty ratio setting methodUS20020060498Mar 5, 2001May 23, 2002Yasuyuki HigashiuraMethod and device for backup, and electronic deviceUS20030057920Sep 26, 2001Mar 27, 2003Kevin DotzlerLithium-ion battery charger input pre-regulatorUS20030058922May 15, 2001Mar 27, 2003Yutaka SuwaCordless telephone and method for selecting communication channel thereofUS20060139005 *Feb 16, 2006Jun 29, 2006Marian NiculaeMethod and electronic circuit for efficient battery wake up chargingUS20060152197Mar 7, 2006Jul 13, 2006Stanesti Vlad PSelector circuit for power management in multiple battery systemsUS20060244420Jun 20, 2006Nov 2, 2006O2Micro International LimitedCharging Circuit for Parallel Charging in Multiple Battery SystemsUS20060291259Aug 8, 2006Dec 28, 2006O2Micro International LimitedPower Management for Battery Powered AppliancesEP0660520A2Nov 30, 1994Jun 28, 1995Siliconix IncorporatedA bidirectional current blocking mosfet for battery disconnect switching including protection against reverse connected battery chargerEP0875977A2Apr 27, 1998Nov 4, 1998O2 Micro, Inc.Improved smart battery selectorEP1074851A1Aug 3, 2000Feb 7, 2001Siemens AktiengesellschaftArrangement for monitoring a battery consisting of a plurality of sub-units connected in seriesEP1223653A1Jul 31, 2000Jul 17, 2002Tokyo R &amp; D Co., Ltd.Electric device and apparatus for charging battery unit, and method for charging and dischargingEP1447897A1Feb 10, 2004Aug 18, 2004O2 Micro, Inc.Power management topologiesGB2303979A Title not availableJP2000032683A Title not availableJP2000228833A Title not availableJP2001352692A Title not availableJP2002142380A Title not availableJP2002369407A Title not availableJP2003009424A Title not availableJP2003092841A Title not availableJP2003204676A Title not availableJP2004005353A Title not availableJPH0635573A Title not availableJPH0715892A Title not availableJPH1014124A Title not availableJPH08140281A Title not availableJPH08294241A Title not availableJPH10201117A Title not availableJPH11164489A Title not availableJPH11187587A Title not availableJPH11299116A Title not availableWO2005011018A2Apr 2, 2004Feb 3, 2005O2Micro, Inc.Selector circuit for power management in multiple battery systems* Cited by examinerNon-Patent CitationsReference1"Highly Integrated Lithium Battery Protection Circuit for One Cell Battery Packs," Semiconductor Components Industries, Sep. 2004, Rev. 10; Publication No. NCP802/D; 21 pages.2Biancomano, "Battery Management ICs Buy More Operating Time," available at http://www.eetimes.com/story/OEG20011121S007 (retrieved on Sep. 11, 2006).3English language translation of Chinese Office Action dated May 11, 2007, 13 pages.4English Translation of Chinese Notification of First Office Action dated Oct. 13, 2006 received in corresponding Chinese Patent Application No. 200410062105.6 (2 pages).5English translation of Chinese Text Portion of the First Office Action dated Oct. 13, 2006 received in Chinese Patent Application Serial No. 2004100039347 (32 pages).6English Translation of Japanese Notice of Reasons for Rejection with Examiner's Comments mailed Jul. 11, 2006 (4 pages).7English translation of Notice of Reasons for Rejection issued in Japanese Patent Application No. 2004087906 dated Dec. 18, 2007.8English translation of Notice of Reasons for Rejection issued in Japanese Patent Application No. 2004087906 dated Oct. 10, 2006.9English translation of Taiwanese Office Action dated Jul. 29, 2005 issued in Application No. 093119744.10English translation of Taiwanese Office Action issued in Application No. 93102793 dated Mar. 7, 2005.11European Office Action from related European Application No. 04014686.2-2207 dated Mar. 14, 2006.12European Office Action issued in Application No. 04002904.3 dated Aug. 5, 2005.13European Office Action issued in Application No. 04002904.3 dated Feb. 1, 2005.14European Office Action issued in Application No. 04006551.8 dated Apr. 23, 2007.15European Search Report dated Jun. 21, 2005 issued in European Patent Application No. 04014686.16European Search Report issued in Application No. 04002904 dated May 27, 2004.17European Search Report issued in Application No. 04006551.8 dated Nov. 18, 2004.18Final Office Action dated Mar. 12, 2010 from related U.S. Appl. No. 12/368,923.19Final Office Action dated Nov. 27, 2009 from related U.S. Appl. No. 12/193,860.20International Preliminary Examination Report from related PTC case, dated Aug. 12, 2005 (7 pages).21International Search Report issued in PCT/US03/41117 dated Feb. 11, 2005.22Japanese Notice of Reasons for Rejection dated Nov. 14, 2006 received in corresponding Japanese Patent Application Serial No. 2005-518382 (3 pages).23Japanese Notice of Reasons for Rejection dated Nov. 14, 2006 received in Japanese Patent Application Serial No. 2005-518382 (5 pages).24Japanese Notice of Reasons for Rejection dated Oct. 24, 2006 received in Japanese Patent Application Serial No. 2005-510056 (5 pages).25Japanese Notice of Reasons for Rejection with English translation dated Oct. 24, 2006 received in related Japanese Patent Application Serial No. 2005-510056 (5 pages).26Japanese Office Action dated Nov. 18, 2008 issued in related Japanese Patent Application No. 2005-510056.27Japanese Office Action issued in Japanese Application No. 2003354266 dated Mar. 22, 2006, and English Translation.28Japanese Office Action issued in Japanese Application No. 2004194913 dated May 23, 2006, and English Translation.29Japanese Office Action, with English translation, from related Japanese application, dated May 22, 2007.30JP Appeal Decision dated Jun. 16, 2009 from related Japanese Application 2005-510056.31Korean Notice of Preliminary Rejection with English Translation, dated May 18, 2006. (5 pages).32Korean Office Action dated Nov. 25, 2005 related Korean Application No. 10-2004-0019300, and English translation (4 pages).33Korean Office Action issued in Korean Application No. 10-2004-0040629 dated Dec. 13, 2005.34LTC1960 Data Sheet, "Dual Battery Charger/Selector with SPI Interface", Linear Technology Corporation, 2001 (24 pages).35Notice of Allowance dated Apr. 13, 2010 from related U.S. Appl. No. 12/401,514.36Notice of Allowance issued in U.S. Appl. No. 09/960,453 dated Aug. 6, 2003.37Notice of Allowance issued in U.S. Appl. No. 10/364,228 dated Mar. 11, 2005.38Notice of Allowance issued in U.S. Appl. No. 10/648,891 dated Jul. 1, 2005.39Notice of Allowance issued in U.S. Appl. No. 10/649,394 dated Oct. 21, 2004.40Notice of Allowance issued in U.S. Appl. No. 10/685,043 dated Aug. 25, 2004.41Notice of Allowance issued in U.S. Appl. No. 10/685,043 dated Feb. 1, 2006.42Notice of Allowance issued in U.S. Appl. No. 10/685,043 dated Sep. 2, 2005.43Notice of Allowance issued in U.S. Appl. No. 10/812,802 dated Jul. 20, 2007.44Notice of Allowance issued in U.S. Appl. No. 11/093,687 dated Sep. 28, 2005.45Notice of Allowance issued in U.S. Appl. No. 11/369,440 dated Sep. 21, 2007.46Notice of Allowance issued in U.S. Appl. No. 11/425,244 dated Feb. 23, 2007.47Notice of Allowance issued in U.S. Appl. No. 11/425,244 dated Nov. 26, 2007.48Notice of Preliminary Rejection Dated Feb. 28, 2006 from related Korean application No. 10-2004-0051380, with English translation.49Office Action dated Sep. 15, 2009 from related Japanese Application 2007-240920.50Office Action issued in U.S. Appl. No. 09/960,453 dated Dec. 20, 2002.51Office Action issued in U.S. Appl. No. 10/364,228 dated Aug. 30, 2004.52Office Action issued in U.S. Appl. No. 10/648,891 dated Apr. 12, 2006.53Office Action issued in U.S. Appl. No. 10/648,891 dated Feb. 28, 2005.54Office Action issued in U.S. Appl. No. 10/648,891 dated Jan. 31, 2006.55Office Action issued in U.S. Appl. No. 10/652,110 dated Apr. 26, 2006.56Office Action issued in U.S. Appl. No. 10/652,110 dated Feb. 14, 2006.57Office Action issued in U.S. Appl. No. 10/652,110 dated Jul. 31, 2006.58Office Action issued in U.S. Appl. No. 10/652,110 dated Jun. 12, 2007.59Office Action issued in U.S. Appl. No. 10/652,110 dated Jun. 9, 2006.60Office Action issued in U.S. Appl. No. 10/652,110 dated Oct. 11, 2007.61Office Action issued in U.S. Appl. No. 10/652,110 dated Oct. 19, 2006.62Office Action issued in U.S. Appl. No. 10/652,110 dated Oct. 4, 2006.63Office Action issued in U.S. Appl. No. 10/652,110 dated Sep. 27, 2005.64Office Action issued in U.S. Appl. No. 10/652,110 dated Sep. 4, 2007.65Office Action issued in U.S. Appl. No. 10/685,043 dated Feb. 1, 2006.66Office Action issued in U.S. Appl. No. 10/685,043 dated Mar. 4, 2005.67Office Action issued in U.S. Appl. No. 10/812,802 dated Jan. 19, 2006.68Office Action issued in U.S. Appl. No. 10/812,802 dated Jun. 7, 2006.69Office Action issued in U.S. Appl. No. 10/812,802 dated Sep. 15, 2006.70Office Action issued in U.S. Appl. No. 11/093,687 dated Jun. 8, 2005.71Office Action issued in U.S. Appl. No. 11/234,881 dated Feb. 7, 2008.72Office Action issued in U.S. Appl. No. 11/234,881 dated Jun. 11, 2007.73Office Action issued in U.S. Appl. No. 11/234,881 dated Oct. 20, 2006.74Office Action issued in U.S. Appl. No. 11/369,440 dated Jan. 28, 2008.75Office Action issued in U.S. Appl. No. 11/369,440 dated Jun. 6, 2006.76Office Action issued in U.S. Appl. No. 11/369,440 dated Mar. 12, 2007.77Office Action issued in U.S. Appl. No. 11/425,244 dated Jun. 21, 2007.78Office Action issued in U.S. Appl. No. 11/425,244 dated Oct. 19, 2006.79Office Action issued in U.S. Appl. No. 11/463,042 dated Dec. 14, 2007.80Office Action mailed Jun. 2, 2010 issued in related European Patent Application No. 04014686.2-2207.81Office Action mailed May 25, 2010 issued in related Japanese Patent Application No. 12193860.82PCT Search Report dated Feb. 11, 2005 issued in PCT/US0341117.83Supplemental European Search Report dated Aug. 21, 2006, received in corresponding PCT Application No. PCT/US2004/010009 (3 pages).84Supplementary European Search Report, dated Aug. 8, 2006, received in corresponding European Application (3 pages).85Taiwanese Office Action issued in Application No. 92130623 dated Mar. 4, 2005, with English translation.Referenced byCiting PatentFiling datePublication dateApplicantTitleUS20130187465 *Aug 31, 2011Jul 25, 2013Sanyo Electric Co., Ltd.Power management systemWO2013122766A1 *Feb 4, 2013Aug 22, 2013Lightening EnergyEnergy banking system and method using rapidly rechargeable batteries* Cited by examinerClassifications U.S. Classification320/132International ClassificationH02J7/34, H02J3/00, H02J7/04, H02M3/00, H02J7/02, H02J9/06, H02J7/00, H01M10/46Cooperative ClassificationH02M2001/0045, H02J7/0057, H02J7/0027, H02J7/0013, H02J2007/0059, Y02T10/7055, H02J9/061, Y10T307/527, H02J7/34, H02J2007/0067, H02J7/02, Y10T307/696, H02J7/0018, H02J7/0068European ClassificationH02J7/00C, H02J7/00L, H02J7/34, H02J9/06B, H02J7/02, H02J7/00G3, H02J7/00C6, H02J7/00C1CLegal EventsDateCodeEventDescriptionMay 21, 2010ASAssignmentOwner name: O2MICRO INTERNATIONAL LIMITED,CAYMAN ISLANDSFree format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:O2MICRO, INC.;REEL/FRAME:024421/0511Effective date: 20100506Owner name: O2MICRO INTERNATIONAL LIMITED, CAYMAN ISLANDSFree format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:O2MICRO, INC.;REEL/FRAME:024421/0511Effective date: 20100506Mar 7, 2014FPAYFee paymentYear of fee payment: 4RotateOriginal ImageGoogle Home - Sitemap - USPTO Bulk Downloads - Privacy Policy - Terms of Service - About Google Patents - Send FeedbackData provided by IFI CLAIMS Patent Services