WO2011087236A2 - 컴퓨터 주변기기의 대기전력 차단 장치 - Google Patents
컴퓨터 주변기기의 대기전력 차단 장치 Download PDFInfo
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- WO2011087236A2 WO2011087236A2 PCT/KR2011/000094 KR2011000094W WO2011087236A2 WO 2011087236 A2 WO2011087236 A2 WO 2011087236A2 KR 2011000094 W KR2011000094 W KR 2011000094W WO 2011087236 A2 WO2011087236 A2 WO 2011087236A2
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- 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
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- 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
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- 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
- G06F1/3284—Power saving in printer
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- 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
Definitions
- the present invention relates to a standby power cut-off device for cutting off power consumption or standby power that is unnecessarily wasted in computer peripheral devices (monitors, printers, speakers, etc.) when the computer is turned off or in a power saving mode.
- a variety of peripherals are connected to a computer, and among such computer peripherals, a device is provided with a function of shutting down power to save power when the computer enters a power saving mode.
- the monitor turns off the screen in the power saving mode to reduce the power consumption to consume about 15W.
- the monitor stops functioning and goes to standby. 4W is wasted.
- the printer also consumes about 4W of power at all times.
- the conventional technology allows the computer peripheral devices to consume the minimum power in order to reduce unnecessary power consumption when the computer is in the power saving mode, or consume the minimum standby power when the computer is turned off. There was a problem that power was always consumed.
- the present invention was devised to improve the above-mentioned problems in the prior art, and the power consumption of the computer and peripheral power is cut off when the computer is in the power saving mode or when the power is 'off' so that the power consumption and the standby power are wasted without removing the plug.
- the present invention provides an apparatus for blocking wasteful standby power.
- the main body of the computer transmits the red R, green G, and blue B video signals and the horizontal / vertical sync signal (H / V SYNC) from the graphics controller to the monitor through the cable. If you turn off the computer without transmitting one of the H / V SYNC signals, both signals will not transmit.
- H / V SYNC horizontal / vertical sync signal
- the standby power cut-off device of the computer peripheral device is a synchronization signal sensing control unit for detecting that the horizontal / vertical synchronization signal (H / V SYNC) is not generated in the power saving mode or the computer power off, the inside of the computer, It is provided externally, and provided with a power switching unit for conducting or blocking the power supply path to supply or cut off power to the computer peripheral device according to the detection of the synchronization signal, characterized in that the structure for supplying the power of the peripheral device through the power switching unit Equipped.
- the present invention senses that the horizontal / vertical synchronization signal is not output when the computer is in power saving mode or power off, and controls the power switch connected to the peripheral device to cut off the power of the peripheral device in the power saving mode or power 'off'. Blocks wasted power to "0W" to reduce the waste of power.
- FIG. 1 is a block diagram of a computer main body and a peripheral device including a standby power blocking device of a computer peripheral device according to a first embodiment of the present invention
- FIG. 2 is a block diagram of a computer main body and a peripheral device including a standby power cut-off device of a computer peripheral device according to a second embodiment of the present invention
- FIG. 3 is a detailed circuit diagram illustrating an example of a synchronization signal sensing control unit and a power switching unit of FIG.
- FIG. 4 is a detailed circuit diagram of a main part of a standby power cut-off device of a computer peripheral device according to a third embodiment of the present invention.
- the computer body 10 includes a central processing unit (CPU) 16, red R, green G, and blue B video signals, horizontal / vertical synchronization signals (H / V SYNC), and monitor settings.
- CPU central processing unit
- H / V SYNC horizontal / vertical synchronization signals
- a graphics controller 11 for outputting the signal DDC-C1 to the monitor 50, and an I / O controller 13 connected to an input device 50 such as a keyboard to process an input signal from the input device 40.
- a hard disk drive (HDD) 12 for storing a system operating system or a plurality of application programs based thereon, a system bus 15 for interconnecting them, and each of the above functions in the computer main body 10. It is provided with a power supply unit 14 for supplying the necessary power to the parts and peripheral devices connected to the outside.
- the synchronization signal sensing controller 12 additionally provided according to the characteristics of the present invention senses the state of the power saving mode and the power 'off' with or without the horizontal / vertical synchronization signal (H / V SYNC). As a result, a switching control signal for switching control of the power switching unit 20 is output.
- the power switching unit 20 is installed in a power supply path for supplying power to the computer peripherals from the power supply unit 14, and has a structure of conducting or cutting off the corresponding path according to the switching control signal, thereby turning off the power of the peripheral device. Supply through the power switch.
- the power switching unit 20 is composed of a relay 18 for supplying / blocking power of a peripheral device (monitor, printer, speaker, etc.), and an outlet 17 that can be connected to the peripheral device power supply connector. 10) is provided at a predetermined position.
- the monitor 50 is connected to the connector 100 provided in the computer main body 10 and the connector 200 provided in the monitor 50 through a connection cable 80 to receive a signal, the computer main body
- the signal is transmitted between the computer body 10 and the printer 60 by connecting the connector 400 provided in the 10 and the connector 500 provided in the printer 60 with a connection cable 70. .
- FIG. 2 is a block diagram of a computer main body and a peripheral device including a standby power cut-off device of a computer peripheral device according to a second embodiment of the present invention
- the standby power cut-off device 300 according to another embodiment of the present invention is a computer main body ( 10) is shown to be implemented as a device additionally installed externally.
- the computer main body 10 may have the same structure as the existing structure, and a commercial product may be used as it is.
- the standby power cut-off device 300 may transmit a red R, green G, and blue B video signal and a horizontal / vertical synchronization signal H sent from the graphic controller 11 of the computer main body 10 to the monitor 50.
- / V SYNC a power supply + 5V signal
- DDC-C1 a monitor set signal
- the connector 100 of the computer main body 10 is provided with a connector 200 connected through a cable 80.
- the connector 600 of the monitor 50 and the connector 600 connected through the cable 80 in order to transmit the signal supplied from the computer main body 10 to the monitor 50.
- the power-saving mode of the computer main body 10 and the state of power 'off' are sensed with or without the horizontal / vertical synchronizing signal (H / V SYNC) and accordingly the power switching unit.
- a synchronization signal sensing control unit 12 for outputting a switching control signal for switching control of 20 is provided.
- the power switching unit 20 provided in the standby power cut-off device 300 is provided with an outlet 17 for supplying power to the computer peripherals by receiving external power, and also the power between the external power source and the outlet 17 It is provided with a supply path, and has a relay 18 having a structure for conducting or interrupting the corresponding path in accordance with the switching control signal.
- FIG. 3 is a detailed circuit diagram illustrating an example of the synchronous signal sensing control unit 12 and the power switching unit 20 of FIG. 1 or 2.
- the synchronization signal sensing control unit 12 controls the microcomputer 19 (that is, the control unit) and the microcomputer 19 that sense and control the presence / absence of the horizontal / vertical synchronization signal (H / V SYNC).
- the switching transistor Q1 which drives the relay 18 of the power supply switching part 12 is comprised.
- An example of such a configuration may have a structure in which one end of the coil of the relay 18 receives a 5V power supply and the other end is connected to the collector end of the switching transistor Q1.
- the base terminal of the switching transistor Q1 may be connected to the output of the microcomputer to be controlled by the microcomputer, and the emitter terminal may have a structure connected to the ground terminal.
- the relay 18 of the power switching unit 20 has a structure that conducts or blocks a path installed and installed in one path between the external power source and the outlet 17.
- the microcomputer 19 of the signal sensing control unit 12 is regarded as a power saving mode or a power 'off' if there is no signal for a predetermined time T (for example, set to about 5 to 10 seconds). Thereafter, the switching transistor Q1 is 'off' to open the relay 18 of the power switching unit 20 to open the power outlet 17 supplied to the computer peripheral device to completely cut off the power connected to the peripheral device, thereby saving power or in standby mode. Prevents wasted power in mode.
- the microcomputer 19 of the synchronization signal sensing controller 12 turns on the switching transistor Q1.
- the relay 18 of the power switching unit 20 By turning on the relay 18 of the power switching unit 20 to supply power to the power outlet 17 supplied to the computer peripherals to control the peripherals to operate normally.
- the monitor 50 since the image signal sent from the computer main body 10 to the monitor 50 is transmitted to the monitor 50 as it is, the monitor 50 performs a normal image display operation.
- the standby power cutoff device 301 of the computer peripheral device according to the third embodiment of the present invention has a structure that can be separately configured outside the computer main body 10 as in the second embodiment. Similarly, it has a structure for relaying the video signal, the synchronization signal and the like provided from the computer main body 10 to the monitor 50. In FIG. 4, such a configuration is omitted for convenience of description.
- the standby power cut-off device 301 includes a synchronous signal sensing control unit 122, a power switching unit 17, a power cutoff unit 402, and a power supply unit 403. ), And a computer power outlet (30).
- the power switching unit 17 is provided with a first relay 18 and a first outlet 17 that are somewhat similar to the configuration shown in FIG. 3, and in addition, the second relay 35 and the second outlet 34.
- the synchronization signal sensing controllers 122 and 12 further include a first switching transistor Q1 for driving the first relay 18 and a second switching transistor Q2 for driving the second relay 35. It is further provided.
- the first and second switching transistors Q1 and Q2 are configured to receive control signals output from the first output O1 and the second output O2 of the microcomputer 19, respectively.
- the first relay 18 maintains the blocking state when the deenergizer state
- the second relay 35 is configured to have a conduction state when the deenergizer state.
- the above configuration is a preferable configuration to be applied to the case of connecting a peripheral device that can be shared with other computers, that is, a printer, to the second outlet 34 connected to the second relay 35, and the microcomputer 19 is a computer. Even when the main body is in the power saving mode and / or when the power is off, the operation power of the printer connected to the second outlet may be left without being disconnected from the peripheral device connected to the first outlet.
- a so-called shared mode selection switch 36 (installed to be operated by a user) which provides or cuts off the 5V power provided from the computer main body to the second input I2 of the microcomputer 19 is provided.
- the microcomputer 19 may be configured to select whether to cut off the operation power of the printer connected to the second outlet 34 according to the operation state of the sharing mode selection switch 36. With this configuration, for example, even when a single printer is shared among several computers, the other computers can use the printer even in a standby mode.
- the standby power cut-off device 301 completely shuts down the standby power of the computer itself when the power of the computer main body 'off' and supplies power to the computer with the remote control when the power of the computer main body 'on' It can be further provided with a configuration to.
- the + 5V power supplied from the computer main body is provided to the first input I1 of the microcomputer 19 so as to detect that the power of the computer main body is 'off'. If the + 5V power is not detected from the computer main body, the microcomputer 19 determines that the computer main body is 'off'.
- a computer power outlet 30 to which an external power source (AC power) is provided and to which a computer main body is connected, and a power source unit 403 for providing operating power (VCC) to the microcomputer 19 and the functional units are provided.
- the computer power outlet 30 and the power supply unit 403 are provided in the supply path of the external power and have a power cutoff unit 402 for conducting or blocking the corresponding path.
- the power cut-off unit 402 includes a remote switch 32 which is a means for turning on the power from the remote, and the remote switch 32 has a knob 33 for turning on the power and the knob 33.
- the plate 37 When pressed, the plate 37 connects the contacts C2 and C3 so that the power is turned on, and in order to cut off the power, an internal power source VCC is provided by driving the third switching transistor under the control of the microcomputer 19. It consists of solenoids (S1, S2) so that the plate is separated from the contacts to cut off the power.
- the synchronous signal sensing controller 122 may further include a third switching transistor Q3 for driving the solenoid, and one end S1 of the solenoid is connected to the collector terminal of the third switching transistor Q3, and the other end thereof. Is implemented to be provided with an internal operating power supply (VCC).
- the operation of the standby power cut-off device according to the third embodiment of the present invention having the configuration shown in FIG. 4 will be described in more detail.
- the sharing mode selection switch 36 is' On
- the microcomputer 19 input I2 becomes 'high', and in this case, even when the main body of the computer is in the power saving mode, the microcomputer 19 keeps the output O2 'low' so that the second relay 35 is deenergized. Since the power is supplied to the second outlet 34 as it is, the power of the printer is not cut off.
- the microcomputer 19 output O1 becomes 'low' for the other peripheral devices, so that the first switching transistor Q1 is turned off, and the first relay 18 is deenergized to supply power to the first outlet 17. To block.
- the second relay 35 is deenergized by maintaining the second output O2 of the microcomputer 19 in the 'low' state so that power is supplied to the printer outlet 34 as it is. Make sure the printer is not turned off.
- the microcomputer 19 has a first output O1 of 'high', so that the first transistor Q1 is turned on, and the first relay 18 is energized to supply power to the first outlet 17. The supply is supplied so that power is supplied to the peripherals.
- the sharing mode selection switch 36 is in the 'off' state, and the microcomputer 19 input I2 becomes 'low'.
- the microcomputer 19 Turns on the second switching transistor Q2 with the second output O2 'high' and energizes the second relay 35 to cut off the power supplied to the outlet 34.
- the microcomputer 19 sets the first output O1 to the 'low' state, the first switching transistor Q1 is turned 'off', and the first relay 18 is deenergized to form the first outlet 17. ), Cut off the power supply.
- the microcomputer 19 puts the second output O2 in a 'low' state so that the second relay 35 is deenergized and power is supplied to the second outlet 34 as it is. Make sure that the printer's power is not cut off.
- the other peripheral devices the microcomputer 19 output O1 becomes 'high', the transistor Q1 is turned 'on', the relay 18 is energized to supply power to the outlet 17 to supply power to the peripheral device.
- the microcomputer 19 detects that the first input I1 is 'low' state, the power of the computer It is determined that the 'off'. Thereafter, the microcomputer 19 turns the third switching transistor Q3 to 'high' by turning the third output O3 to 'high' so that current flows in the solenoids S1 and S2 of the remote switch 32 of the power cutoff unit 402. By separating the plate 37 at the contacts C2 and C3, the power supply is cut off from the power cutoff unit 402 to completely block the standby power of the computer.
- the power supply unit 403 provides the operating power to the microcomputer 19, and also provides power to the computer main body through the computer power outlet 30 to enable normal operation thereafter.
- the microcomputer 19 does not turn on the computer for a predetermined time T1 (for example, 5 to 10 seconds), that is, when the operating power 5V provided from the computer main body is not provided for the predetermined time T1.
- a predetermined time T1 for example, 5 to 10 seconds
- the operation of determining that the power of the computer is 'off' may be performed as described above.
- the remote switch 32 is, for example, patent application No. 2009-72016 (name: standby power cut-off device and control method thereof, filed in advance and filed by the present applicant), filing date: August 5, 2009 It may have a switch structure disclosed in).
- the standby power cut-off device 301 shown in FIG. 4 has been described as being able to be configured separately from the outside of the computer main body 10, in another embodiment of the present invention by modifying the structure of the computer main body ( 10) It may have a structure that can be installed inside.
- the computer power outlet 30 shown in FIG. 4 need not be provided, and the power supply unit 403 basically operates the computer main body 10 itself as well as the microcomputer 19 and the functional units. It may be further configured to provide a power source.
- the microcomputer 19 serves as a controller.
- a horizontal / vertical synchronous signal H / V SYNC.
- a separate chip for performing a detection function for example, a 'Dilicon Receiver chip' of a Silicon Image company is provided on the front side of the microcomputer 12, and thus a horizontal / vertical synchronization signal (H / V SYNC) is provided.
- the control unit may be implemented to detect the presence or absence.
- the operation can be made by the configuration of the standby power cut-off device configured to automatically shut off the power in the power saving mode and the off mode of the computer, while the above description of the present invention
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Description
Claims (10)
- 컴퓨터 주변기기의 대기전력 차단장치에 있어서,컴퓨터 본체에서 모니터로 제공되는 수평/수직 동기신호의 유무를 감지하고, 그에 따라 스위칭 제어신호를 출력하는 동기신호센싱콘트롤부와;외부 전원을 제공받아 상기 컴퓨터 주변기기에 전원을 공급하는 전원 공급 경로에 설치되며, 상기 스위칭 제어신호에 따라 해당 경로를 도통 또는 차단하는 구조를 가지는 전원스위칭부를 포함함을 특징으로 하는 대기전력 차단장치.
- 제1항에 있어서, 상기 전원스위칭부는상기 전원 공급 경로를 도통 또는 차단하는 제1릴레이와,상기 제1릴레이와 연결되어 상기 컴퓨터 주변기기의 커넥터와 접속될 수 있는 제1콘센트를 포함함을 특징으로 하는 대기전력 차단장치.
- 제1항 또는 제2항에 있어서, 상기 동기신호센싱콘트롤부와, 상기 전원스위칭부는 상기 컴퓨터 본체의 내부에서 설치됨을 특징으로 하는 대기전력 차단장치.
- 제3항에 있어서, 상기 동기신호센싱콘트롤부는 상기 수평/수직 동기신호의 유무를 센싱하고 콘트롤하는 제어부와,상기 마이콤 제어에 따라 상기 전원스위칭부의 제1릴레이를 구동하는 제1스위칭 트랜지스터를 포함함을 특징으로 하는 대기전력 차단장치.
- 제2항에 있어서, 상기 동기신호센싱콘트롤부와, 상기 전원스위칭부는 상기 컴퓨터 본체의 외부에 추가적으로 설치되며,상기 컴퓨터 본체에서 상기 모니터로 신호 제공을 위한 커넥터와 케이블을 통해 연결되는 커넥터와, 모니터의 커넥터와 케이블을 통해 연결되는 커넥터를 구비하여, 상기 컴퓨터 본체로부터 공급받은 신호들을 상기 모니터로 그대로 전달하는 구조를 가짐을 특징으로 하는 대기전력 차단장치.
- 제5항에 있어서, 상기 동기신호센싱콘트롤부는 상기 수평/수직 동기신호의 유무를 센싱하고 콘트롤하는 제어부와,상기 마이콤 제어에 따라 상기 전원스위칭부의 제1릴레이를 구동하는 제1스위칭 트랜지스터를 포함함을 특징으로 하는 대기전력 차단장치.
- 제6항에 있어서, 상기 전원스위칭부는 상기 제1릴레이 및 상기 제2릴레이와 병렬적으로 연결되는 제2릴레이 및 제2콘센트의 연결 회로를 더 포함하며,상기 동기신호센싱콘트롤부는 상기 제어부 제어에 따라 상기 전원스위칭부의 제2릴레이를 구동하는 제2스위칭 트랜지스터를 더 포함하며,상기 제1릴레이는 디에너자이저 상태에서 차단 상태를 유지하며, 상기 제2릴레이 디에너자이저 상태에서 도통 상태를 유지하는 구성을 가짐을 특징으로 하는 대기전력 차단장치.
- 제7항에 있어서, 상기 동기신호센싱콘트롤부는상기 컴퓨터 본체로부터 제공되는 전원을 상기 제어부의 제2입력으로 제공 또는 차단하는 공유모드선택스위치를 구비하며,상기 마이콤은 상기 공유모드선택스위치의 조작 상태를 추가로 더 고려하여 상기 제2스위칭 트랜지스터를 제어함을 특징으로 하는 대기전력 차단장치.
- 제6항 내지 제8항 중 어느 한 항에 있어서,상기 외부 전원을 제공받으며 상기 컴퓨터 본체가 연결되는 컴퓨터전원콘센트와,상기 제어부 및 내부 기능부들에게 동작 전원을 제공하기 위한 전원부와,상기 컴퓨터전원콘센트 및 상기 전원부에 상기 외부 전원의 공급 경로에 설치되어 상기 제어부의 제어 및 외부 스위칭 조작에 의해 해당 경로를 도통 또는 차단하는 전원차단부를 더 포함하며,상기 동기신호센싱콘트롤부는 상기 제어부 제어에 따라 상기 전원차단부를 구동하는 제3스위칭 트랜지스터를 더 포함하며,상기 마이콤은 상기 컴퓨터 본체로부터 제공되는 전원을 제1입력으로 제공받는 구성을 추가로 더 가지며, 이의 감지 여부를 통해 상기 컴퓨터 본체의 전원 온/오프 상태를 감지하여 상기 제3스위칭 트랜지스터를 추가로 더 제어함을 특징으로 하는 대기전력 차단장치.
- 제9항에 있어서, 상기 전원차단부는 리모트로 전원을 투입하기 위한 리모트스위치를 구비하며,상기 리모트스위치는 상기 외부 스위칭 조작을 받기 위한 노브와,상기 노브가 눌려짐에 따라 전원 경로의 접점들을 연결하여 전원이 도통되도록 하는 플레이트와,상기 제어부의 제어에 의한 상기 제3스위칭 트랜지스터의 구동에 의해 내부 전원을 제공받아 상기 플레이트가 상기 접점들과 떨어지도록 하여 전원이 차단되도록 하는 솔레노이드를 포함함을 특징으로 하는 대기전력 차단장치.
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US13/521,145 US8935556B2 (en) | 2010-01-12 | 2011-01-06 | Apparatus for blocking standby power of computer peripheral devices during an absence of horizontal/vertical sync signals to a monitor |
EP11733024A EP2525269A2 (en) | 2010-01-12 | 2011-01-06 | Apparatus for blocking standby power of computer peripheral devices |
CN2011800059461A CN102822767A (zh) | 2010-01-12 | 2011-01-06 | 用于阻断计算机外围设备的待机电力的装置 |
JP2012548878A JP2013517553A (ja) | 2010-01-12 | 2011-01-06 | コンピュータ周辺機器の待機電力遮断装置 |
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KR1020100057148A KR101175674B1 (ko) | 2010-01-12 | 2010-06-16 | 컴퓨터 주변기기의 대기전력 차단 장치 |
KR10-2010-0057148 | 2010-06-16 |
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EP (1) | EP2525269A2 (ko) |
JP (1) | JP2013517553A (ko) |
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Cited By (1)
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US20150019893A1 (en) * | 2012-03-26 | 2015-01-15 | Gang-Won Kim | Standby power interception apparatus for computer and computer peripheral device |
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KR20120122183A (ko) * | 2011-04-28 | 2012-11-07 | 엘지전자 주식회사 | 디스플레이기기 및 디스플레이기기의 부팅 방법 |
JP6110122B2 (ja) * | 2012-12-07 | 2017-04-05 | シナプティクス・ジャパン合同会社 | 集積回路装置、パネル表示装置及び表示パネルドライバ |
KR101482497B1 (ko) * | 2014-04-21 | 2015-01-13 | 김창호 | 컴퓨터 주변기기의 대기전력차단장치 |
KR101723194B1 (ko) | 2015-03-18 | 2017-04-05 | 방창용 | 모니터의 전원 관리기능을 내장한 전원공급장치 및 그 제어방법 |
CN104777892B (zh) * | 2015-04-28 | 2017-12-26 | 孙元章 | 显示器零功耗待机的延时触发和唤醒装置及方法 |
WO2017091036A1 (ko) * | 2015-11-26 | 2017-06-01 | 김창호 | 절전 및 대기전력을 차단하는 모니터 또는 빔프로젝터 |
KR20180084837A (ko) * | 2015-12-14 | 2018-07-25 | 김창호 | 대기전력을 차단하는 컴퓨터 및 그 제어방법 |
KR20180094613A (ko) * | 2017-02-16 | 2018-08-24 | 김창호 | 낭비전력을 차단하는 모니터 및 전원어댑터와 그 제어방법 |
JP7022602B2 (ja) * | 2018-01-24 | 2022-02-18 | キヤノン株式会社 | 画像処理装置、その制御方法、及びプログラム |
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- 2011-01-06 WO PCT/KR2011/000094 patent/WO2011087236A2/ko active Application Filing
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US8935556B2 (en) | 2015-01-13 |
KR101175674B1 (ko) | 2012-08-22 |
KR20110047112A (ko) | 2011-05-06 |
WO2011087236A3 (ko) | 2011-11-03 |
JP2013517553A (ja) | 2013-05-16 |
EP2525269A2 (en) | 2012-11-21 |
CN102822767A (zh) | 2012-12-12 |
US20130007497A1 (en) | 2013-01-03 |
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