BR9907513A - Circuit and method to save energy from a monitor - Google Patents

Circuit and method to save energy from a monitor

Info

Publication number
BR9907513A
BR9907513A BR9907513-0A BR9907513A BR9907513A BR 9907513 A BR9907513 A BR 9907513A BR 9907513 A BR9907513 A BR 9907513A BR 9907513 A BR9907513 A BR 9907513A
Authority
BR
Brazil
Prior art keywords
energy
piece
monitor
saving
transformation
Prior art date
Application number
BR9907513-0A
Other languages
Portuguese (pt)
Inventor
Yeo Sung Yun
Original Assignee
Lg Eletronics 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 Lg Eletronics Inc filed Critical Lg Eletronics Inc
Publication of BR9907513A publication Critical patent/BR9907513A/en

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
    • G06F1/3206—Monitoring of events, devices or parameters that trigger a change in power modality
    • G06F1/3215—Monitoring of peripheral devices
    • G06F1/3218—Monitoring of peripheral devices of display 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
    • 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
    • G06F1/3265—Power saving in display device
    • 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
    • H02M3/22—Conversion of dc power input into dc power output with intermediate conversion into ac
    • H02M3/24—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters
    • H02M3/28—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac
    • H02M3/325—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal
    • H02M3/335—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only
    • H02M3/33507—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of the output voltage or current, e.g. flyback converters
    • H02M3/33523—Conversion of dc power input into dc power output with intermediate conversion into ac by static converters using discharge tubes with control electrode or semiconductor devices with control electrode to produce the intermediate ac using devices of a triode or a transistor type requiring continuous application of a control signal using semiconductor devices only with automatic control of the output voltage or current, e.g. flyback converters with galvanic isolation between input and output of both the power stage and the feedback loop
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09G—ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
    • G09G2330/00—Aspects of power supply; Aspects of display protection and defect management
    • G09G2330/02—Details of power systems and of start or stop of display operation
    • G09G2330/021—Power management, e.g. power saving
    • G09G2330/022—Power management, e.g. power saving in absence of operation, e.g. no data being entered during a predetermined time
    • 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
    • H02M1/00—Details of apparatus for conversion
    • H02M1/0003—Details of control, feedback or regulation circuits
    • H02M1/0032—Control circuits allowing low power mode operation, e.g. in standby mode
    • 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
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B70/00—Technologies for an efficient end-user side electric power management and consumption
    • Y02B70/10—Technologies improving the efficiency by using switched-mode power supplies [SMPS], i.e. efficient power electronics conversion e.g. power factor correction or reduction of losses in power supplies or efficient standby modes
    • 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
    • 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
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/50—Reducing energy consumption in communication networks in wire-line communication networks, e.g. low power modes or reduced link rate

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Power Engineering (AREA)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
  • Controls And Circuits For Display Device (AREA)
  • Dc-Dc Converters (AREA)
  • Control Of Voltage And Current In General (AREA)
  • Direct Current Feeding And Distribution (AREA)

Abstract

"CIRCUITO E MéTODO PARA ECONOMIZAR ENERGIA DE UM MONITOR" Trata-se de um circuito e método para economizar energia de um monitor que é capaz de desligar automaticamente uma alimentação principal do monitor de acordo com uma pluralidade de sinais de controle de DPM, no caso em que um computador não funciona por um período de tempo predeterminado. O circuito inclui: uma peça de alimentação de energia para suprir uma energia de corrente contínua (CC); uma primeira peça de transformação para aplicar a energia de CC para resultar desse modo em uma pluralidade de voltagens diferentes; uma segunda peça de transformação para aplicar a energia de CC para resultar desse modo na alimentação do microcomputador, na potência do aquecedor e na potência de funcionamento da primeira peça da transformação; um microcomputador para determinar um modo normal e um modo de economia de energia de acordo com um sinal de vídeo dos equipamentos conectados ao monitor, para resultar desse modo um sinal de controle; uma primeira peça de economia de energia para controlar o funcionamento da primeira peça de transformação de acordo com o sinal de controle do microcomputador; e uma segunda peça de economia de energia para cortar a potência do aquecedor aplicada pela segunda peça de transformação de acordo com o sinal de controle do microcomputador."CIRCUIT AND METHOD FOR SAVING ENERGY FROM A MONITOR" This is a circuit and method for saving energy from a monitor that is capable of automatically disconnecting a main power from the monitor according to a plurality of DPM control signals, in this case where a computer does not work for a predetermined period of time. The circuit includes: a power supply piece to supply direct current (DC) energy; a first transformation piece for applying DC energy to thereby result in a plurality of different voltages; a second transformation piece for applying DC energy to thereby result in the microcomputer power, the heater power and the operating power of the first transformation part; a microcomputer for determining a normal mode and an energy saving mode according to a video signal from the equipment connected to the monitor, to thereby result in a control signal; a first energy saving piece to control the operation of the first transformation piece according to the microcomputer control signal; and a second energy-saving piece to cut the heater power applied by the second transformation piece according to the microcomputer control signal.

BR9907513-0A 1998-11-12 1999-11-11 Circuit and method to save energy from a monitor BR9907513A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1019980048370A KR100282333B1 (en) 1998-11-12 1998-11-12 Monitor power-saving circuit

Publications (1)

Publication Number Publication Date
BR9907513A true BR9907513A (en) 2000-09-05

Family

ID=19557977

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9907513-0A BR9907513A (en) 1998-11-12 1999-11-11 Circuit and method to save energy from a monitor

Country Status (7)

Country Link
JP (1) JP3471683B2 (en)
KR (1) KR100282333B1 (en)
CN (1) CN1112627C (en)
BR (1) BR9907513A (en)
GB (1) GB2343823B (en)
ID (1) ID24865A (en)
MX (1) MXPA99010360A (en)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100332043B1 (en) * 2000-07-04 2002-04-10 구자홍 Circuit for stabilization voltage of video appliance on display power management mode
JP4601186B2 (en) * 2001-02-19 2010-12-22 シャープ株式会社 Display device
KR100839851B1 (en) * 2001-10-17 2008-06-19 엘지전자 주식회사 Circuit for power supply
KR100488516B1 (en) 2002-02-05 2005-05-11 삼성전자주식회사 display apparatus and error detection method thereof
KR100474636B1 (en) * 2002-11-15 2005-03-11 엘지전자 주식회사 Power supply device for a monitor
KR100522021B1 (en) * 2002-11-15 2005-10-19 주식회사 보성이테크 Apparatus for power-saving
TW572346U (en) 2003-04-23 2004-01-11 Hon Hai Prec Ind Co Ltd Power control structure for an LCD
JP2005049651A (en) * 2003-07-29 2005-02-24 Iiyama Corp Display device
CN100388164C (en) * 2004-02-23 2008-05-14 纬创资通股份有限公司 Electricity saving set in computer system
TWI276028B (en) 2005-11-16 2007-03-11 Amtran Technology Co Ltd Power supply control circuit of display device
CN101685603B (en) * 2008-09-24 2011-06-22 晨星软件研发(深圳)有限公司 Very-low power consumption display control circuit and relative method
JP2011004473A (en) * 2009-06-16 2011-01-06 Sanyo Electric Co Ltd Power supply circuit and projection type display device
US9513683B2 (en) 2011-12-14 2016-12-06 Universal Scientific Industrial (Shanghai) Co., Ltd. Control circuitry used in a computing system, and power supply having the control circuitry
CN107068097A (en) * 2017-05-12 2017-08-18 惠科股份有限公司 Display device and power saving method thereof

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ATE178178T1 (en) * 1992-09-29 1999-04-15 Nanao Corp CONTROL CIRCUIT FOR POWER SUPPLY OF A CATHODE RAY TUBE DISPLAY DEVICE AND CORRESPONDING METHOD
US5335168A (en) * 1993-01-13 1994-08-02 Compaq Computer Corporation Computer system with power-down mode for monitor
US5375245A (en) * 1993-02-22 1994-12-20 Tandberg Data A/S Apparatus for automatically reducing the power consumption of a CRT computer monitor
JPH09134154A (en) * 1995-11-07 1997-05-20 Sony Corp Video display device
KR0139545Y1 (en) * 1995-12-06 1999-04-01 삼성전자주식회사 Heater preheating device for crt
KR100224085B1 (en) * 1996-08-14 1999-10-15 윤종용 Power saving display device and method for controlling power thereof

Also Published As

Publication number Publication date
ID24865A (en) 2000-08-31
GB2343823B (en) 2001-01-10
GB9926852D0 (en) 2000-01-12
MXPA99010360A (en) 2005-07-25
GB2343823A (en) 2000-05-17
JP2000181430A (en) 2000-06-30
CN1254117A (en) 2000-05-24
KR100282333B1 (en) 2001-03-02
CN1112627C (en) 2003-06-25
KR20000032045A (en) 2000-06-05
JP3471683B2 (en) 2003-12-02

Similar Documents

Publication Publication Date Title
BR9907513A (en) Circuit and method to save energy from a monitor
GB2322212A (en) Power management apparatus and method
DE69028409D1 (en) UNINTERRUPTIBLE POWER SUPPLY
EP0722584A4 (en) An optimized power supply system for computer equipment
BR9808547A (en) Switching mode power supply with over current protection
MY107793A (en) Battery operated computer power management system
SE9002838L (en) POWER CONTROL OF A PORTFOLIO COMPUTER
WO2003060678A3 (en) Deterministic power-estimation for thermal control
KR970060903A (en) Power saving control circuit of video equipment
CA2156538A1 (en) Malfunction Power Switch and Feedback Led for Suspend Systems
BR9808274A (en) Power interface circuit for a power amplifier, time division multiple access transmitter, and, process for selectively supplying a supply voltage to a power amplifier
PL367490A1 (en) Method for operating a wind park
CA2202516A1 (en) Active power down for pc card i/o applications
DE69611076T2 (en) Ballast for a fluorescent lamp with lamp failure protection circuit
WO2002003182A3 (en) A method and apparatus for power management
DE3586425D1 (en) ELECTRICAL PERFORMANCE CONTROL UNIT.
KR900012411A (en) Power supply and power supply method
BR0105441A (en) Switched reluctance drive and process of operating the same
ATE85480T1 (en) REMOTE CONTROL FOR AN ELECTRONIC DEVICE EQUIPPED WITH A SWITCHING POWER SUPPLY.
KR950003374Y1 (en) Power-saving computer monitor
KR0130781Y1 (en) A power supply using the soft switch
JPS57147190A (en) Memory circuit
KR100572307B1 (en) computer system with power management
KR200275679Y1 (en) Power supplier circuit of monitor
JPH04142608A (en) Power supply control method

Legal Events

Date Code Title Description
B08F Application fees: application dismissed [chapter 8.6 patent gazette]

Free format text: REFERENTE A 11A ANUIDADE.

B08K Patent lapsed as no evidence of payment of the annual fee has been furnished to inpi [chapter 8.11 patent gazette]

Free format text: REFERENTE AO DESPACHO 8.6 PUBLICADO NA RPI 2069 DE 31/08/2010.