FR2143970B1 - - Google Patents

Info

Publication number
FR2143970B1
FR2143970B1 FR7224044A FR7224044A FR2143970B1 FR 2143970 B1 FR2143970 B1 FR 2143970B1 FR 7224044 A FR7224044 A FR 7224044A FR 7224044 A FR7224044 A FR 7224044A FR 2143970 B1 FR2143970 B1 FR 2143970B1
Authority
FR
France
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.)
Expired
Application number
FR7224044A
Other versions
FR2143970A1 (fr
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.)
International Business Machines Corp
Original Assignee
International Business Machines Corp
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 International Business Machines Corp filed Critical International Business Machines Corp
Publication of FR2143970A1 publication Critical patent/FR2143970A1/fr
Application granted granted Critical
Publication of FR2143970B1 publication Critical patent/FR2143970B1/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M3/00—Conversion of dc power input into dc power output
    • H02M3/02—Conversion of dc power input into dc power output without intermediate conversion into ac
    • H02M3/04—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters
    • H02M3/06—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using resistors or capacitors, e.g. potential divider
    • H02M3/07—Conversion of dc power input into dc power output without intermediate conversion into ac by static converters using resistors or capacitors, e.g. potential divider using capacitors charged and discharged alternately by semiconductor devices with control electrode, e.g. charge pumps
FR7224044A 1971-06-30 1972-06-27 Expired FR2143970B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US15817371A 1971-06-30 1971-06-30

Publications (2)

Publication Number Publication Date
FR2143970A1 FR2143970A1 (fr) 1973-02-09
FR2143970B1 true FR2143970B1 (fr) 1974-12-27

Family

ID=22566944

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7224044A Expired FR2143970B1 (fr) 1971-06-30 1972-06-27

Country Status (5)

Country Link
US (1) US3708742A (fr)
JP (1) JPS4815020A (fr)
DE (1) DE2225094A1 (fr)
FR (1) FR2143970B1 (fr)
GB (1) GB1355009A (fr)

Families Citing this family (93)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3863135A (en) * 1973-07-16 1975-01-28 Ibm Regulated Transformerless Power Supply
US4259715A (en) * 1975-09-27 1981-03-31 Citizen Watch Co., Ltd. Voltage conversion system for electronic timepiece
JPS53107117U (fr) * 1977-02-04 1978-08-28
US4205369A (en) * 1977-02-16 1980-05-27 Kabushiki Kaisha Daini Seikosha Voltage dropping circuit
JPS57135678A (en) * 1981-02-12 1982-08-21 Takaharu Miyazaki Voltage declining circuit
US4408268A (en) * 1982-08-09 1983-10-04 General Electric Company Pulse modulated electronic voltage controller with smooth voltage output
US4649468A (en) * 1985-11-06 1987-03-10 At&T Information Systems Inc. Voltage divider circuit
US4841427A (en) * 1987-07-01 1989-06-20 Hitachi, Ltd. Capacitive voltage lowering circuit with dual outputs
US5126651A (en) * 1991-07-26 1992-06-30 Motorola, Inc. Gate drive circuit for a synchronous rectifier
US5572108A (en) * 1992-01-07 1996-11-05 Windes; John A. Power system using battery-charged capacitors
US5214313A (en) * 1992-01-07 1993-05-25 Windes John A Circuit for extending the useful discharge time of load driving capacitors
US6125047A (en) * 1993-12-14 2000-09-26 Seagate Technology, Inc. Regulated inverting power supply
FR2755326A1 (fr) * 1996-10-25 1998-04-30 Philips Electronics Nv Dispositif de conversion analogique/numerique a dynamique d'entree regulee
US6778347B2 (en) 2000-11-20 2004-08-17 Seagate Technology Llc Load balancing circuit for a dual polarity power supply with single polarity voltage regulation
US9197132B2 (en) * 2006-12-01 2015-11-24 Flextronics International Usa, Inc. Power converter with an adaptive controller and method of operating the same
US7675759B2 (en) * 2006-12-01 2010-03-09 Flextronics International Usa, Inc. Power system with power converters having an adaptive controller
US7468649B2 (en) * 2007-03-14 2008-12-23 Flextronics International Usa, Inc. Isolated power converter
WO2010056989A1 (fr) * 2008-11-14 2010-05-20 Flextronics International Usa, Inc. Commande d’un redresseur synchrone et convertisseur de puissance l’employant
US8520414B2 (en) * 2009-01-19 2013-08-27 Power Systems Technologies, Ltd. Controller for a power converter
US9088216B2 (en) * 2009-01-19 2015-07-21 Power Systems Technologies, Ltd. Controller for a synchronous rectifier switch
US9019061B2 (en) * 2009-03-31 2015-04-28 Power Systems Technologies, Ltd. Magnetic device formed with U-shaped core pieces and power converter employing the same
US8643222B2 (en) * 2009-06-17 2014-02-04 Power Systems Technologies Ltd Power adapter employing a power reducer
US8514593B2 (en) * 2009-06-17 2013-08-20 Power Systems Technologies, Ltd. Power converter employing a variable switching frequency and a magnetic device with a non-uniform gap
US9077248B2 (en) 2009-06-17 2015-07-07 Power Systems Technologies Ltd Start-up circuit for a power adapter
US8638578B2 (en) * 2009-08-14 2014-01-28 Power System Technologies, Ltd. Power converter including a charge pump employable in a power adapter
US8976549B2 (en) * 2009-12-03 2015-03-10 Power Systems Technologies, Ltd. Startup circuit including first and second Schmitt triggers and power converter employing the same
US8520420B2 (en) * 2009-12-18 2013-08-27 Power Systems Technologies, Ltd. Controller for modifying dead time between switches in a power converter
US8787043B2 (en) * 2010-01-22 2014-07-22 Power Systems Technologies, Ltd. Controller for a power converter and method of operating the same
US9246391B2 (en) 2010-01-22 2016-01-26 Power Systems Technologies Ltd. Controller for providing a corrected signal to a sensed peak current through a circuit element of a power converter
CN102870320B (zh) 2010-03-17 2016-11-02 电力系统技术有限公司 功率转换器的控制系统及其操作方法
US20110239008A1 (en) * 2010-03-26 2011-09-29 Lam Kean W Power Adapter Having a Universal Serial Bus Hub
CN102075102B (zh) * 2011-02-24 2013-05-15 成都芯源系统有限公司 桥式整流电路
US8792257B2 (en) 2011-03-25 2014-07-29 Power Systems Technologies, Ltd. Power converter with reduced power dissipation
US8792256B2 (en) 2012-01-27 2014-07-29 Power Systems Technologies Ltd. Controller for a switch and method of operating the same
US9190898B2 (en) 2012-07-06 2015-11-17 Power Systems Technologies, Ltd Controller for a power converter and method of operating the same
US9106130B2 (en) 2012-07-16 2015-08-11 Power Systems Technologies, Inc. Magnetic device and power converter employing the same
US9214264B2 (en) 2012-07-16 2015-12-15 Power Systems Technologies, Ltd. Magnetic device and power converter employing the same
US9099232B2 (en) 2012-07-16 2015-08-04 Power Systems Technologies Ltd. Magnetic device and power converter employing the same
US9379629B2 (en) 2012-07-16 2016-06-28 Power Systems Technologies, Ltd. Magnetic device and power converter employing the same
US9240712B2 (en) 2012-12-13 2016-01-19 Power Systems Technologies Ltd. Controller including a common current-sense device for power switches of a power converter
US9172921B1 (en) 2013-12-06 2015-10-27 SkyBell Technologies, Inc. Doorbell antenna
US20180343141A1 (en) 2015-09-22 2018-11-29 SkyBell Technologies, Inc. Doorbell communication systems and methods
US9196133B2 (en) 2013-07-26 2015-11-24 SkyBell Technologies, Inc. Doorbell communication systems and methods
US10708404B2 (en) 2014-09-01 2020-07-07 Skybell Technologies Ip, Llc Doorbell communication and electrical systems
US9736284B2 (en) 2013-07-26 2017-08-15 SkyBell Technologies, Inc. Doorbell communication and electrical systems
US11004312B2 (en) 2015-06-23 2021-05-11 Skybell Technologies Ip, Llc Doorbell communities
US9179109B1 (en) 2013-12-06 2015-11-03 SkyBell Technologies, Inc. Doorbell communication systems and methods
US9237318B2 (en) 2013-07-26 2016-01-12 SkyBell Technologies, Inc. Doorbell communication systems and methods
US9049352B2 (en) 2013-07-26 2015-06-02 SkyBell Technologies, Inc. Pool monitor systems and methods
US9060104B2 (en) 2013-07-26 2015-06-16 SkyBell Technologies, Inc. Doorbell communication systems and methods
US9118819B1 (en) 2013-07-26 2015-08-25 SkyBell Technologies, Inc. Doorbell communication systems and methods
US9197867B1 (en) 2013-12-06 2015-11-24 SkyBell Technologies, Inc. Identity verification using a social network
US10672238B2 (en) 2015-06-23 2020-06-02 SkyBell Technologies, Inc. Doorbell communities
US9342936B2 (en) 2013-07-26 2016-05-17 SkyBell Technologies, Inc. Smart lock systems and methods
US9179108B1 (en) 2013-07-26 2015-11-03 SkyBell Technologies, Inc. Doorbell chime systems and methods
US10044519B2 (en) 2015-01-05 2018-08-07 SkyBell Technologies, Inc. Doorbell communication systems and methods
US10204467B2 (en) 2013-07-26 2019-02-12 SkyBell Technologies, Inc. Smart lock systems and methods
US9172920B1 (en) 2014-09-01 2015-10-27 SkyBell Technologies, Inc. Doorbell diagnostics
US9769435B2 (en) 2014-08-11 2017-09-19 SkyBell Technologies, Inc. Monitoring systems and methods
US9065987B2 (en) 2013-07-26 2015-06-23 SkyBell Technologies, Inc. Doorbell communication systems and methods
US11651665B2 (en) 2013-07-26 2023-05-16 Skybell Technologies Ip, Llc Doorbell communities
US9160987B1 (en) 2013-07-26 2015-10-13 SkyBell Technologies, Inc. Doorbell chime systems and methods
US9113051B1 (en) 2013-07-26 2015-08-18 SkyBell Technologies, Inc. Power outlet cameras
US9142214B2 (en) 2013-07-26 2015-09-22 SkyBell Technologies, Inc. Light socket cameras
US11889009B2 (en) 2013-07-26 2024-01-30 Skybell Technologies Ip, Llc Doorbell communication and electrical systems
US9172922B1 (en) 2013-12-06 2015-10-27 SkyBell Technologies, Inc. Doorbell communication systems and methods
US9113052B1 (en) 2013-07-26 2015-08-18 SkyBell Technologies, Inc. Doorbell communication systems and methods
US10733823B2 (en) 2013-07-26 2020-08-04 Skybell Technologies Ip, Llc Garage door communication systems and methods
US9247219B2 (en) 2013-07-26 2016-01-26 SkyBell Technologies, Inc. Doorbell communication systems and methods
US9230424B1 (en) 2013-12-06 2016-01-05 SkyBell Technologies, Inc. Doorbell communities
US10440165B2 (en) 2013-07-26 2019-10-08 SkyBell Technologies, Inc. Doorbell communication and electrical systems
US9058738B1 (en) 2013-07-26 2015-06-16 SkyBell Technologies, Inc. Doorbell communication systems and methods
US9013575B2 (en) 2013-07-26 2015-04-21 SkyBell Technologies, Inc. Doorbell communication systems and methods
US9179107B1 (en) 2013-07-26 2015-11-03 SkyBell Technologies, Inc. Doorbell chime systems and methods
US20170263067A1 (en) 2014-08-27 2017-09-14 SkyBell Technologies, Inc. Smart lock systems and methods
US9300206B2 (en) 2013-11-15 2016-03-29 Power Systems Technologies Ltd. Method for estimating power of a power converter
US9253455B1 (en) 2014-06-25 2016-02-02 SkyBell Technologies, Inc. Doorbell communication systems and methods
US9799183B2 (en) 2013-12-06 2017-10-24 SkyBell Technologies, Inc. Doorbell package detection systems and methods
US9786133B2 (en) 2013-12-06 2017-10-10 SkyBell Technologies, Inc. Doorbell chime systems and methods
US9743049B2 (en) 2013-12-06 2017-08-22 SkyBell Technologies, Inc. Doorbell communication systems and methods
US20170085843A1 (en) 2015-09-22 2017-03-23 SkyBell Technologies, Inc. Doorbell communication systems and methods
US11184589B2 (en) 2014-06-23 2021-11-23 Skybell Technologies Ip, Llc Doorbell communication systems and methods
US10687029B2 (en) 2015-09-22 2020-06-16 SkyBell Technologies, Inc. Doorbell communication systems and methods
US9888216B2 (en) 2015-09-22 2018-02-06 SkyBell Technologies, Inc. Doorbell communication systems and methods
US9997036B2 (en) 2015-02-17 2018-06-12 SkyBell Technologies, Inc. Power outlet cameras
US10742938B2 (en) 2015-03-07 2020-08-11 Skybell Technologies Ip, Llc Garage door communication systems and methods
US11575537B2 (en) 2015-03-27 2023-02-07 Skybell Technologies Ip, Llc Doorbell communication systems and methods
US11381686B2 (en) 2015-04-13 2022-07-05 Skybell Technologies Ip, Llc Power outlet cameras
US20180047269A1 (en) 2015-06-23 2018-02-15 SkyBell Technologies, Inc. Doorbell communities
US10706702B2 (en) 2015-07-30 2020-07-07 Skybell Technologies Ip, Llc Doorbell package detection systems and methods
US10043332B2 (en) 2016-05-27 2018-08-07 SkyBell Technologies, Inc. Doorbell package detection systems and methods
US10909825B2 (en) 2017-09-18 2021-02-02 Skybell Technologies Ip, Llc Outdoor security systems and methods
US11074790B2 (en) 2019-08-24 2021-07-27 Skybell Technologies Ip, Llc Doorbell communication systems and methods

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3478258A (en) * 1967-05-24 1969-11-11 Sony Corp Transformerless voltage reducing rectifier circuit
US3505586A (en) * 1968-02-27 1970-04-07 Int Rectifier Corp Transformerless high-current power supply
US3553479A (en) * 1968-09-09 1971-01-05 Dale H Nelson Electrical energy conversion by switching of static storage devices
US3564387A (en) * 1969-06-19 1971-02-16 Dickson Electronics Corp Ac/dc converter

Also Published As

Publication number Publication date
DE2225094A1 (de) 1973-01-11
JPS4815020A (fr) 1973-02-26
GB1355009A (en) 1974-06-05
US3708742A (en) 1973-01-02
FR2143970A1 (fr) 1973-02-09

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