AU629019B2 - Power management for a laptop computer - Google Patents

Power management for a laptop computer

Info

Publication number
AU629019B2
AU629019B2 AU60168/90A AU6016890A AU629019B2 AU 629019 B2 AU629019 B2 AU 629019B2 AU 60168/90 A AU60168/90 A AU 60168/90A AU 6016890 A AU6016890 A AU 6016890A AU 629019 B2 AU629019 B2 AU 629019B2
Authority
AU
Australia
Prior art keywords
power management
laptop computer
laptop
computer
management
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.)
Ceased
Application number
AU60168/90A
Other languages
English (en)
Other versions
AU6016890A (en
Inventor
Robert L. Bailey
Mike S. Hanlon
R. Steven Smith
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.)
Apple Inc
Original Assignee
Apple Computer 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 Apple Computer Inc filed Critical Apple Computer Inc
Publication of AU6016890A publication Critical patent/AU6016890A/en
Application granted granted Critical
Publication of AU629019B2 publication Critical patent/AU629019B2/en
Anticipated expiration legal-status Critical
Ceased 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
    • G06F1/32—Means for saving power
    • G06F1/3203—Power management, i.e. event-based initiation of a power-saving mode
    • G06F1/3234—Power saving characterised by the action undertaken
    • G06F1/3287—Power saving characterised by the action undertaken by switching off individual functional units in the computer system
    • 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
    • G06F1/32—Means for saving power
    • G06F1/3203—Power management, i.e. event-based initiation of a power-saving mode
    • G06F1/3206—Monitoring of events, devices or parameters that trigger a change in power modality
    • G06F1/3215—Monitoring of peripheral devices
    • 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
    • G06F1/32—Means for saving power
    • G06F1/3203—Power management, i.e. event-based initiation of a power-saving mode
    • 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
    • G06F1/32—Means for saving power
    • G06F1/3203—Power management, i.e. event-based initiation of a power-saving mode
    • G06F1/3234—Power saving characterised by the action undertaken
    • G06F1/3237—Power saving characterised by the action undertaken by disabling clock generation or distribution
    • 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
    • G06F1/32—Means for saving power
    • G06F1/3203—Power management, i.e. event-based initiation of a power-saving mode
    • G06F1/3234—Power saving characterised by the action undertaken
    • G06F1/324—Power saving characterised by the action undertaken by lowering clock frequency
    • 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
    • G06F1/32—Means for saving power
    • G06F1/3203—Power management, i.e. event-based initiation of a power-saving mode
    • G06F1/3234—Power saving characterised by the action undertaken
    • G06F1/325—Power saving in peripheral device
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D10/00—Energy efficient computing, e.g. low power processors, power management or thermal management

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Power Engineering (AREA)
  • Computer Hardware Design (AREA)
  • Computing Systems (AREA)
  • Power Sources (AREA)
  • Direct Current Feeding And Distribution (AREA)
AU60168/90A 1989-09-08 1990-08-03 Power management for a laptop computer Ceased AU629019B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US40563789A 1989-09-08 1989-09-08
US405637 1989-09-08

Publications (2)

Publication Number Publication Date
AU6016890A AU6016890A (en) 1991-03-14
AU629019B2 true AU629019B2 (en) 1992-09-24

Family

ID=23604545

Family Applications (1)

Application Number Title Priority Date Filing Date
AU60168/90A Ceased AU629019B2 (en) 1989-09-08 1990-08-03 Power management for a laptop computer

Country Status (8)

Country Link
JP (1) JPH03171317A (ja)
KR (1) KR910006825A (ja)
AU (1) AU629019B2 (ja)
CA (1) CA2024552A1 (ja)
DE (1) DE4028175A1 (ja)
GB (1) GB2235797B (ja)
HK (1) HK36394A (ja)
SE (1) SE9002838L (ja)

Families Citing this family (44)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5355501A (en) * 1990-03-09 1994-10-11 Novell, Inc. Idle detection system
US5230074A (en) * 1991-01-25 1993-07-20 International Business Machines Corporation Battery operated computer power management system
JP3097065B2 (ja) * 1991-04-23 2000-10-10 セイコーエプソン株式会社 情報処理機器
EP1413946A3 (en) 1991-05-17 2005-12-21 Packard Bell NEC, Inc. Computer system having a reduced power control circuit
DE4244858A1 (de) * 1991-09-27 1995-10-05 Toshiba Kawasaki Kk Tragbarer Rechner mit Funktion zum Umschalten des CPU-Taktes
GB2264794B (en) * 1992-03-06 1995-09-20 Intel Corp Method and apparatus for automatic power management in a high integration floppy disk controller
US5329625A (en) * 1992-04-15 1994-07-12 International Business Machines Corp. System to service processor interface for a tablet computer
US5423045A (en) * 1992-04-15 1995-06-06 International Business Machines Corporation System for distributed power management in portable computers
EP1265126B1 (en) * 1992-09-17 2004-12-01 Kabushiki Kaisha Toshiba Portable computer having dedicated register group and peripheral controller bus between system bus and peripheral controller
US5339445A (en) * 1992-11-16 1994-08-16 Harris Corporation Method of autonomously reducing power consumption in a computer sytem by compiling a history of power consumption
KR100188087B1 (ko) * 1993-04-21 1999-06-01 김광호 휴대용 정보처리기기의 전원공급 제어장치 및 그의 구동방법
US5337285A (en) * 1993-05-21 1994-08-09 Rambus, Inc. Method and apparatus for power control in devices
US5548763A (en) * 1993-07-26 1996-08-20 International Business Machines Corporation Desk top computer system having multi-level power management
US5408668A (en) * 1993-07-28 1995-04-18 Tornai; Richard Method and apparatus for controlling the provision of power to computer peripherals
US5894577A (en) * 1993-09-22 1999-04-13 Advanced Micro Devices, Inc. Interrupt controller with external in-service indication for power management within a computer system
DE69415284T2 (de) * 1993-11-23 1999-08-19 Advanced Micro Devices Inc Leistungssteuerungssysteme für Rechner
KR100352045B1 (ko) * 1994-01-10 2002-12-28 선 마이크로시스템즈 인코퍼레이티드 컴퓨터시스템에서전력소모를감소시키기위한방법및장치
US5504910A (en) * 1994-02-02 1996-04-02 Advanced Micro Devices, Inc. Power management unit including software configurable state register and time-out counters for protecting against misbehaved software
US5535401A (en) * 1994-04-05 1996-07-09 International Business Machines Corporation Method and system of power and thermal management for a data processing system using object-oriented program design
US5493684A (en) * 1994-04-06 1996-02-20 Advanced Micro Devices Power management architecture including a power management messaging bus for conveying an encoded activity signal for optimal flexibility
WO1995031029A2 (en) * 1994-05-10 1995-11-16 Apple Computer, Inc. A method and apparatus for controlling power for subsystems
US5752011A (en) 1994-06-20 1998-05-12 Thomas; C. Douglas Method and system for controlling a processor's clock frequency in accordance with the processor's temperature
US5675810A (en) * 1994-09-07 1997-10-07 Compaq Computer Corporation Reducing power usage in a personal computer
US5530879A (en) * 1994-09-07 1996-06-25 International Business Machines Corporation Computer system having power management processor for switching power supply from one state to another responsive to a closure of a switch, a detected ring or an expiration of a timer
JP3224715B2 (ja) * 1994-09-07 2001-11-05 インターナショナル・ビジネス・マシーンズ・コーポレーション コンピュータ・システムをウェイクさせる低電力リング検出
DE4444283A1 (de) * 1994-12-13 1995-04-20 Udo Metzkow System zur Schaltung der Komponenten eines lokalen Netzwerkes (LAN)"
EP0727728A1 (en) * 1995-02-15 1996-08-21 International Business Machines Corporation Computer system power management
DE19512204A1 (de) * 1995-03-31 1995-08-31 Heinzinger Electronic Gmbh Stromversorgung für Personal Computer
US5708819A (en) * 1995-10-10 1998-01-13 Standard Microsystems Corporation Process and apparatus for generating power management events in a computer system
US6049882A (en) * 1997-12-23 2000-04-11 Lg Semicon Co., Ltd. Apparatus and method for reducing power consumption in a self-timed system
DE19803663B4 (de) * 1998-01-30 2004-09-16 Siemens Ag Verfahren zum energiesparenden Betreiben eines Steuergeräts
JP3853061B2 (ja) * 1998-03-18 2006-12-06 三菱電機株式会社 入出力切換装置
US6367023B2 (en) * 1998-12-23 2002-04-02 Intel Corporation Method and apparatus of measuring current, voltage, or duty cycle of a power supply to manage power consumption in a computer system
JP4181685B2 (ja) * 1999-03-12 2008-11-19 富士通株式会社 電力制御方法及び電子機器並びに記録媒体
US6457134B1 (en) 1999-04-21 2002-09-24 Palm, Inc. Portable computer with differentiated time-out feature
TW425769B (en) * 1999-07-08 2001-03-11 Via Tech Inc Mapping register structure of codec controller and powering down and suspending method using the same
US6754835B2 (en) * 2000-12-15 2004-06-22 International Business Machines Corporation Method and system for providing power fault tolerance in a network of chained computer systems through bidirectional links
US7539878B2 (en) * 2001-09-19 2009-05-26 Freescale Semiconductor, Inc. CPU powerdown method and apparatus therefor
GB0123421D0 (en) * 2001-09-28 2001-11-21 Memquest Ltd Power management system
DE10157057B4 (de) 2001-11-21 2005-11-17 Infineon Technologies Ag Halbleiterspeicherbaustein mit geringem Stromverbrauch
DE10213351C1 (de) * 2002-03-26 2003-07-24 Uenal Baeder Trenneinrichtung für Kommunikationsverbindungen
FI115562B (fi) 2002-03-27 2005-05-31 Nokia Corp Menetelmä ja järjestelmä tehonkulutuksen määrittämiseksi elektroniikkalaitteen yhteydessä ja elektroniikkalaite
TW556421B (en) 2002-08-15 2003-10-01 Htc Corp Circuit and operating method for integrated interface of PDA and wireless communication system
US8683247B2 (en) * 2008-06-12 2014-03-25 Advanced Micro Devices, Inc. Method and apparatus for controlling power supply to primary processor and portion of peripheral devices by controlling switches in a power/reset module embedded in secondary processor

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4698748A (en) * 1983-10-07 1987-10-06 Essex Group, Inc. Power-conserving control system for turning-off the power and the clocking for data transactions upon certain system inactivity

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4698748A (en) * 1983-10-07 1987-10-06 Essex Group, Inc. Power-conserving control system for turning-off the power and the clocking for data transactions upon certain system inactivity

Also Published As

Publication number Publication date
KR910006825A (ko) 1991-04-29
HK36394A (en) 1994-04-29
GB2235797B (en) 1993-08-18
AU6016890A (en) 1991-03-14
GB2235797A (en) 1991-03-13
DE4028175A1 (de) 1991-03-21
SE9002838D0 (sv) 1990-09-06
CA2024552A1 (en) 1991-03-09
JPH03171317A (ja) 1991-07-24
SE9002838L (sv) 1991-03-09
GB9018259D0 (en) 1990-10-03

Similar Documents

Publication Publication Date Title
AU629019B2 (en) Power management for a laptop computer
AU6031390A (en) Computer power management system
AU653188B2 (en) Battery operated computer power management system
AU3337189A (en) Improved version management tool
AU674030B2 (en) Laptop computer
AU8004287A (en) A cabinet for a computer assembly
EP0420645A3 (en) An intelligent power supply system for a portable computer
EP0352861A3 (en) Vehicle management computer
AU582586B2 (en) Expansion card for a computer
AU653473B2 (en) A computer command apparatus
AU5812590A (en) Connection between portable computer components
AU3307489A (en) Object management facility for maintaining data in a computer system
AU7580387A (en) A general purpose uninterruptible power supply
HK119594A (en) Enclosure for a computer
EP0656579A3 (en) Power management for computer system.
AU6211290A (en) A portable computer
AU104644S (en) A computer
AU581818B2 (en) A computer workstation
AU5554890A (en) Computer connectors
AU6050790A (en) Portable low power computer
SG7294G (en) Power management for a computer
AU5555390A (en) Computer connectors
AU5921990A (en) Computer with provision for continued operation during battery change
AU627543B2 (en) Computer interface
GB2239538B (en) Lap-top computer