JP3927659B2 - 電子機器およびストロボ装置 - Google Patents

電子機器およびストロボ装置 Download PDF

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Publication number
JP3927659B2
JP3927659B2 JP23614397A JP23614397A JP3927659B2 JP 3927659 B2 JP3927659 B2 JP 3927659B2 JP 23614397 A JP23614397 A JP 23614397A JP 23614397 A JP23614397 A JP 23614397A JP 3927659 B2 JP3927659 B2 JP 3927659B2
Authority
JP
Japan
Prior art keywords
battery
current
transistor
voltage
circuit
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.)
Expired - Fee Related
Application number
JP23614397A
Other languages
English (en)
Japanese (ja)
Other versions
JPH1184462A5 (enExample
JPH1184462A (ja
Inventor
幸夫 尾高
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.)
Canon Inc
Original Assignee
Canon Inc
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 Canon Inc filed Critical Canon Inc
Priority to JP23614397A priority Critical patent/JP3927659B2/ja
Priority to US09/140,168 priority patent/US6064176A/en
Publication of JPH1184462A publication Critical patent/JPH1184462A/ja
Publication of JPH1184462A5 publication Critical patent/JPH1184462A5/ja
Application granted granted Critical
Publication of JP3927659B2 publication Critical patent/JP3927659B2/ja
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • H02J7/00047—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with provisions for charging different types of batteries
    • 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
    • H02J7/0063—Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries with circuits adapted for supplying loads from the battery
    • 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
    • H02J7/007—Regulation of charging or discharging current or voltage
    • H02J7/00712—Regulation of charging or discharging current or voltage the cycle being controlled or terminated in response to electric parameters
    • 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
    • H02J2207/20—Charging or discharging characterised by the power electronics converter

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Stroboscope Apparatuses (AREA)
  • Exposure Control For Cameras (AREA)
JP23614397A 1997-09-01 1997-09-01 電子機器およびストロボ装置 Expired - Fee Related JP3927659B2 (ja)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP23614397A JP3927659B2 (ja) 1997-09-01 1997-09-01 電子機器およびストロボ装置
US09/140,168 US6064176A (en) 1997-09-01 1998-08-26 Electronic apparatus and flash device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP23614397A JP3927659B2 (ja) 1997-09-01 1997-09-01 電子機器およびストロボ装置

Publications (3)

Publication Number Publication Date
JPH1184462A JPH1184462A (ja) 1999-03-26
JPH1184462A5 JPH1184462A5 (enExample) 2005-06-09
JP3927659B2 true JP3927659B2 (ja) 2007-06-13

Family

ID=16996404

Family Applications (1)

Application Number Title Priority Date Filing Date
JP23614397A Expired - Fee Related JP3927659B2 (ja) 1997-09-01 1997-09-01 電子機器およびストロボ装置

Country Status (2)

Country Link
US (1) US6064176A (enExample)
JP (1) JP3927659B2 (enExample)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6211652B1 (en) * 2000-02-04 2001-04-03 Milwaukee Electric Tool Corporation Discharge protection apparatus for a battery-powered device and a method of preventing overdischarge of a battery
US6516153B2 (en) * 2000-11-15 2003-02-04 Canon Kabushiki Kaisha Capacitor charging apparatus and electronic flash and apparatus containing same
US7075579B2 (en) * 2001-06-05 2006-07-11 Eastman Kodak Company Docking station assembly for transmitting digital files
US6833983B2 (en) * 2002-02-11 2004-12-21 Intel Corporation Current limiting super capacitor charger
JP2003259191A (ja) 2002-03-05 2003-09-12 Sony Corp 電子装置および制御方法、記録媒体、並びにプログラム
JP4227491B2 (ja) 2003-09-09 2009-02-18 株式会社リコー デジタルカメラ用電源回路
JP3808479B2 (ja) * 2004-06-14 2006-08-09 株式会社リコー 電源装置及び電子機器
EP1610141B1 (en) * 2004-06-14 2012-01-04 Ricoh Company, Ltd. Electric power unit and electronics device
US9225185B2 (en) * 2011-10-21 2015-12-29 Samsung Electronics Co., Ltd. Method and apparatus for controlling charging in electronic device
CN105337378A (zh) * 2015-12-11 2016-02-17 中山大山摄影器材有限公司 Usb相机连续供电装置
US11153819B2 (en) * 2017-02-06 2021-10-19 Itron Networked Solutions, Inc. Battery control for safeguarding lower voltage integrated circuits

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4577145A (en) * 1984-10-11 1986-03-18 General Electric Company Charging system having electromagnetic field means for distinguishing between primary and secondary batteries
US5752102A (en) * 1992-04-16 1998-05-12 Nikon Corporation Electronic flashing device
US5780992A (en) * 1995-08-09 1998-07-14 Norand Corporation Rechargeable battery system adaptable to a plurality of battery types
JP2845822B2 (ja) * 1996-07-17 1999-01-13 埼玉日本電気株式会社 誤充電防止機能付き充電回路
US5734254A (en) * 1996-12-06 1998-03-31 Hewlett-Packard Company Battery pack and charging system for a portable electronic device

Also Published As

Publication number Publication date
JPH1184462A (ja) 1999-03-26
US6064176A (en) 2000-05-16

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