DE69131372T2 - Elektronisches Gerät mit steuerbarer Stromversorgung - Google Patents

Elektronisches Gerät mit steuerbarer Stromversorgung

Info

Publication number
DE69131372T2
DE69131372T2 DE69131372T DE69131372T DE69131372T2 DE 69131372 T2 DE69131372 T2 DE 69131372T2 DE 69131372 T DE69131372 T DE 69131372T DE 69131372 T DE69131372 T DE 69131372T DE 69131372 T2 DE69131372 T2 DE 69131372T2
Authority
DE
Germany
Prior art keywords
power supply
electronic device
controllable power
controllable
electronic
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
DE69131372T
Other languages
English (en)
Other versions
DE69131372D1 (de
Inventor
Isao Odaira
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
Application granted granted Critical
Publication of DE69131372D1 publication Critical patent/DE69131372D1/de
Publication of DE69131372T2 publication Critical patent/DE69131372T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • G06F1/30—Means for acting in the event of power-supply failure or interruption, e.g. power-supply fluctuations
DE69131372T 1990-11-09 1991-11-08 Elektronisches Gerät mit steuerbarer Stromversorgung Expired - Fee Related DE69131372T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2302675A JPH04178114A (ja) 1990-11-09 1990-11-09 電子機器

Publications (2)

Publication Number Publication Date
DE69131372D1 DE69131372D1 (de) 1999-07-29
DE69131372T2 true DE69131372T2 (de) 2000-03-23

Family

ID=17911835

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69131372T Expired - Fee Related DE69131372T2 (de) 1990-11-09 1991-11-08 Elektronisches Gerät mit steuerbarer Stromversorgung

Country Status (4)

Country Link
US (1) US5546589A (de)
EP (1) EP0484982B1 (de)
JP (1) JPH04178114A (de)
DE (1) DE69131372T2 (de)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2983111B2 (ja) * 1992-07-20 1999-11-29 富士通株式会社 電気機器装置
JP2892963B2 (ja) * 1995-02-28 1999-05-17 キヤノン株式会社 バッテリ駆動型コンピュータ
US5802379A (en) * 1995-08-24 1998-09-01 Norand Corporation Battery depletion management in portable computing devices having PCMCIA card loading
JP3122605B2 (ja) * 1995-11-17 2001-01-09 シャープ株式会社 電子機器
US5991887A (en) * 1996-02-28 1999-11-23 Dallas Semiconductor Corporation Low power wake up circuitry, with internal power down of the wake up circuitry itself
KR100278355B1 (ko) * 1996-09-30 2001-01-15 윤종용 컴퓨터 시스템 및 이 컴퓨터 시스템의 제어 방법
US5884084A (en) * 1996-10-31 1999-03-16 Intel Corporation Circuit and method for using early reset to prevent CMOS corruption with advanced power supplies
KR100186349B1 (en) * 1996-12-17 1999-04-15 Lg Ind Systems Co Ltd Power failure compensation method of plc and plc having function of power failure compensation
JP2000010666A (ja) * 1998-06-19 2000-01-14 Toshiba Corp コンピュータシステムおよびフラッシュｒｏｍ書き換え方法
JP2001250092A (ja) * 2000-03-03 2001-09-14 Toshiba Corp カード型電子機器、及びカード型電子機器に適用されるコンテンツ管理方法
JP2004164204A (ja) * 2002-11-12 2004-06-10 Toshiba Corp 電子機器
KR100605820B1 (ko) * 2004-03-22 2006-08-01 삼성전자주식회사 피디에이 기능과 폰 기능을 구비한 피디에이폰에서사용자데이터 보호방법
US20060242458A1 (en) * 2005-03-31 2006-10-26 Daniel Feldman Computer volatile memory power backup system
CN101398710B (zh) * 2007-09-27 2011-07-27 鸿富锦精密工业（深圳）有限公司 主板供电电路
CN101556497B (zh) * 2008-04-09 2011-06-22 鸿富锦精密工业（深圳）有限公司 主板供电电路
KR101161994B1 (ko) * 2010-12-03 2012-07-03 에스케이하이닉스 주식회사 멀티 칩 패키지 장치 및 그의 동작 방법
KR102347602B1 (ko) * 2017-08-28 2022-01-05 삼성전자주식회사 반도체 장치 및 그 파워 오프 방법

Family Cites Families (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR638867A (fr) * 1926-12-23 1928-06-05 Propulseur hydro-pneumatique à l'usage de la navigation maritime
US4096560A (en) * 1977-10-28 1978-06-20 Rockwell International Corporation Protection circuit to minimize the effects of power line interruptions on the contents of a volatile electronic memory
JPS56162122A (en) * 1980-05-16 1981-12-12 Canon Inc Electronic apparatus equipped with printing device
JPS57148726A (en) * 1981-03-12 1982-09-14 Nippon Kogaku Kk <Nikon> Camera
US4422163A (en) * 1981-09-03 1983-12-20 Vend-A-Copy, Inc. Power down circuit for data protection in a microprocessor-based system
EP0096531B1 (de) * 1982-06-09 1987-09-16 Fujitsu Limited Ein-Chip-Halbleitervorrichtung, die eine Versorgungsspannungsdetektorschaltung mit Rücksetzfunktion enthält
US4645326A (en) * 1984-03-30 1987-02-24 Canon Kabushiki Kaisha Camera with computer circuit
US4766567A (en) * 1984-04-19 1988-08-23 Ltd. Nippondenso Co. One-chip data processing device including low voltage detector
US4777626A (en) * 1984-12-22 1988-10-11 Tokyo Electric Co., Ltd. Memory device having backup power supply
JPH0833790B2 (ja) * 1986-12-26 1996-03-29 株式会社東芝 コンピユ−タにおける電源遮断装置
JP2526572B2 (ja) * 1987-03-20 1996-08-21 株式会社精工舎 カメラ用電源回路
US5053804A (en) * 1987-07-10 1991-10-01 Canon Kabushiki Kaisha Camera having computer
US5157270A (en) * 1987-10-31 1992-10-20 Canon Kabushiki Kaisha Reset signal generating circuit
JP2533612B2 (ja) * 1988-05-16 1996-09-11 富士通株式会社 メモリのデ―タ保護方式
FR2638867A1 (fr) * 1988-11-04 1990-05-11 Sgs Thomson Microelectronics Procede et circuit de reinitialisation du fonctionnement d'un circuit
US5349669A (en) * 1988-12-21 1994-09-20 Oki Electric Industry Co., Ltd. Data write control means
US5218607A (en) * 1989-06-23 1993-06-08 Kabushiki Kaisha Toshiba Computer having a resume function and operable on an internal power source
US5079583A (en) * 1989-08-31 1992-01-07 Canon Kabushiki Kaisha Shutter apparatus which also serves as a diaphragm
US5243577A (en) * 1989-12-11 1993-09-07 Sharp Kabushiki Kaisha Electronic apparatus
JPH04109547A (ja) * 1990-08-30 1992-04-10 Sharp Corp メモリデータ保護装置
US5237698A (en) * 1991-12-03 1993-08-17 Rohm Co., Ltd. Microcomputer

Also Published As

Publication number Publication date
EP0484982A3 (en) 1994-08-24
EP0484982B1 (de) 1999-06-23
EP0484982A2 (de) 1992-05-13
JPH04178114A (ja) 1992-06-25
US5546589A (en) 1996-08-13
DE69131372D1 (de) 1999-07-29

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee