SE9002838D0 - Power management for a laptop computer - Google Patents
Power management for a laptop computerInfo
- Publication number
- SE9002838D0 SE9002838D0 SE9002838A SE9002838A SE9002838D0 SE 9002838 D0 SE9002838 D0 SE 9002838D0 SE 9002838 A SE9002838 A SE 9002838A SE 9002838 A SE9002838 A SE 9002838A SE 9002838 D0 SE9002838 D0 SE 9002838D0
- Authority
- SE
- Sweden
- Prior art keywords
- power
- computer
- various units
- laptop computer
- power management
- Prior art date
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)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US40563789A | 1989-09-08 | 1989-09-08 |
Publications (2)
Publication Number | Publication Date |
---|---|
SE9002838D0 true SE9002838D0 (sv) | 1990-09-06 |
SE9002838L SE9002838L (sv) | 1991-03-09 |
Family
ID=23604545
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE9002838A SE9002838L (sv) | 1989-09-08 | 1990-09-06 | Kraftstyrning foer en portfoeljdator |
Country Status (8)
Country | Link |
---|---|
JP (1) | JPH03171317A (sv) |
KR (1) | KR910006825A (sv) |
AU (1) | AU629019B2 (sv) |
CA (1) | CA2024552A1 (sv) |
DE (1) | DE4028175A1 (sv) |
GB (1) | GB2235797B (sv) |
HK (1) | HK36394A (sv) |
SE (1) | SE9002838L (sv) |
Families Citing this family (44)
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 |
JP3701965B2 (ja) | 1991-05-17 | 2005-10-05 | 日本電気株式会社 | 保護モードマイクロプロセッサ及びハードディスクのための中断/再開機能とアイドルモードの実現 |
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 |
DE69332813T2 (de) * | 1992-09-17 | 2004-03-11 | Kabushiki Kaisha Toshiba, Kawasaki | Tragbarer Rechner mit zugeordneter Registergruppe und Peripheriesteuerbus zwischen Systembus und Peripheriesteuerung |
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 |
EP0654726B1 (en) * | 1993-11-23 | 1998-12-16 | Advanced Micro Devices, Inc. | Computer power management systems |
DE69517712T2 (de) * | 1994-01-10 | 2001-03-08 | Sun Microsystems, Inc. | Verfahren und Vorrichtung zur Reduzierung der Leistungsaufnahme in einem Rechnersystem |
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 |
AU2471395A (en) * | 1994-05-10 | 1995-11-29 | 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 |
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 |
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 |
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 (sv) * | 2002-03-27 | 2005-05-31 | Nokia Corp | Förfarande och system för bestämning av effektförbrukning i samband med elektronikanordning och elektronikanordning |
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 |
Family Cites Families (1)
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 |
-
1990
- 1990-08-03 AU AU60168/90A patent/AU629019B2/en not_active Ceased
- 1990-08-20 GB GB9018259A patent/GB2235797B/en not_active Expired - Fee Related
- 1990-09-04 CA CA002024552A patent/CA2024552A1/en not_active Abandoned
- 1990-09-05 DE DE4028175A patent/DE4028175A1/de not_active Withdrawn
- 1990-09-06 SE SE9002838A patent/SE9002838L/sv not_active Application Discontinuation
- 1990-09-08 KR KR1019900014185A patent/KR910006825A/ko not_active Application Discontinuation
- 1990-09-10 JP JP2237294A patent/JPH03171317A/ja active Pending
-
1994
- 1994-04-21 HK HK36394A patent/HK36394A/xx not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
GB2235797B (en) | 1993-08-18 |
SE9002838L (sv) | 1991-03-09 |
JPH03171317A (ja) | 1991-07-24 |
AU6016890A (en) | 1991-03-14 |
DE4028175A1 (de) | 1991-03-21 |
HK36394A (en) | 1994-04-29 |
CA2024552A1 (en) | 1991-03-09 |
GB9018259D0 (en) | 1990-10-03 |
AU629019B2 (en) | 1992-09-24 |
KR910006825A (ko) | 1991-04-29 |
GB2235797A (en) | 1991-03-13 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
NAV | Patent application has lapsed |
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