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KR20130096800A - Wireless power controller - Google Patents

Wireless power controller Download PDF

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Publication number
KR20130096800A
KR20130096800A KR1020120018288A KR20120018288A KR20130096800A KR 20130096800 A KR20130096800 A KR 20130096800A KR 1020120018288 A KR1020120018288 A KR 1020120018288A KR 20120018288 A KR20120018288 A KR 20120018288A KR 20130096800 A KR20130096800 A KR 20130096800A
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KR
South Korea
Prior art keywords
outlet
outlet unit
current
housing
power controller
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KR1020120018288A
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Korean (ko)
Inventor
김대현
백승하
변귀원
김성민
Original Assignee
부경대학교 산학협력단
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Priority to KR1020120018288A priority Critical patent/KR20130096800A/en
Publication of KR20130096800A publication Critical patent/KR20130096800A/en
Ceased legal-status Critical Current

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    • 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
    • H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
    • H02J13/00032—Systems characterised by the controlled or operated power network elements or equipment, the power network elements or equipment not otherwise provided for
    • H02J13/0005—Systems characterised by the controlled or operated power network elements or equipment, the power network elements or equipment not otherwise provided for the elements or equipment being or involving power plugs or sockets
    • 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
    • H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
    • H02J13/00006—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment
    • H02J13/00022—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment using wireless data transmission
    • H02J13/00026—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment using wireless data transmission involving a local wireless network, e.g. Wi-Fi, ZigBee or Bluetooth
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q9/00—Arrangements in telecontrol or telemetry systems for selectively calling a substation from a main station, in which substation desired apparatus is selected for applying a control signal thereto or for obtaining measured values therefrom
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q2209/00—Arrangements in telecontrol or telemetry systems
    • H04Q2209/40—Arrangements in telecontrol or telemetry systems using a wireless architecture
    • H04Q2209/43—Arrangements in telecontrol or telemetry systems using a wireless architecture using wireless personal area networks [WPAN], e.g. 802.15, 802.15.1, 802.15.4, Bluetooth or ZigBee

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Power Engineering (AREA)
  • Remote Monitoring And Control Of Power-Distribution Networks (AREA)
  • Selective Calling Equipment (AREA)

Abstract

본 발명은 전원콘센트의 전원공급을 원격으로 온/오프 제어할 수 있는 무선 전력 제어기에 관한 것이다. 본 발명에 의한 무선전력제어기는 후면에 콘센트에 연결하는 플러그단자가 구비되고, 전면에 수개의 출력단자부가 구비되며, 내측에 블루투스 수신모듈이 탑재되고, 상기 블루투스 수신모듈에 의해 전류를 온/오프시키는 전류스위칭회로가 형성된 콘센트유닛과, 하우징이 구비되고, 상기 하우징의 전면부에 상기 콘센트유닛(20)의 전류 차단 유,무를 식별 가능한 액정표시부가 형성되며, 상기 콘센트유닛의 전류를 온/오프시키는 조작부버튼이 구비되고, 상기 하우징 내측에 콘센트유닛의 무선 제어를 위한 블루투스 송신모듈 및 시간예약 설정을 위한 타이머 기능이 탑재된 원격조정수단으로 구성된 것을 특징으로 한다.The present invention relates to a wireless power controller that can remotely control the power supply of the power outlet. The wireless power controller according to the present invention has a plug terminal connected to an outlet at the rear, several output terminals are provided at the front, a Bluetooth receiving module is mounted on the inside, and current is turned on / off by the Bluetooth receiving module. The outlet unit is provided with a current switching circuit for forming, and the housing is provided, the liquid crystal display to distinguish the presence or absence of current blocking of the outlet unit 20 is formed in the front of the housing, the current of the outlet unit on / off The control panel button is provided, and the inside of the housing is characterized in that the remote control means equipped with a Bluetooth transmission module for wireless control of the outlet unit and a timer function for setting the time reservation.

Description

무선 전력 제어기{Wireless Power Controller}Wireless Power Controller

본 발명은 전원콘센트의 전원공급을 원격으로 온/오프 제어할 수 있는 무선 전력 제어기에 관한 것이다.The present invention relates to a wireless power controller that can remotely control the power supply of the power outlet.

일반적으로 가전기기 예를 들면, 텔레비젼, 냉장고, 컴퓨터 등은 전원 플러그를 상용 전원을 공급하는 콘센트에 접속하여 사용하며, 대부분 접속상태를 상시적으로 유지시키고, 전원 온/오프시는 가전기기에 마련된 전원스위치를 이용한다.In general, home appliances, such as TVs, refrigerators, computers, etc., are used by connecting a power plug to an outlet supplying commercial power, and most of the time, the connection state is always maintained. Use the power switch.

이러한 가전기기 중 리모콘에 의해 작동되는 텔레비젼, 에어콘 등의 경우 전원 스위치가 오프된 상태에서도 리모콘 신호를 수신할 수 있도록 작동되기 때문에 콘센트와 접속된 상태에서는 지속적인 전력소모가 이루어지고 있어 비 사용시의 전력낭비 요인이 발생되는 문제점이 있다.TVs, air conditioners, etc., operated by the remote control, are operated to receive the remote control signal even when the power switch is turned off. There is a problem that causes factors.

한편, 장시간 또는 장기간 집을 비우는 경우 화재예방 및 불필요한 전력소모를 방지하기 위해서는 가전기기의 전원 플러그를 콘센트로부터 분리하는 것이 바람직한데, 가전기기의 전원 플러그를 분리하는 작업이 매우 번거롭고 콘센트가 장식품이나 가재도구에 가려있거나 구석진 자리에 위치하고 있는 경우 더더욱 분리가 쉽지않아 분리작업을 기피하는 원인이 되고 있다. 또한, 사무실 역시 화재예방 및 불필요한 전력소모를 줄이기 위해 퇴근시에는 복사기, 컴퓨터 또는 그 밖의 사무용 기기의 전원 공급이 차단되도록 전원 스위치를 끄는 작업을 매일 반복해야하는데 이 또한 작업이 매우 번거로운 문제점이 있다.On the other hand, if you are away from home for a long time or long period of time, to prevent fire and to prevent unnecessary power consumption, it is desirable to disconnect the power plug of the household electrical appliance from the outlet. If it is hidden in the corner or located in the corner is more difficult to separate and cause the separation work. In addition, in order to prevent fire and unnecessary power consumption, the office also has to turn off the power switch every day so that the power supply to the copier, the computer, or other office equipment is cut off, which is also a cumbersome problem.

본 발명은 상기와 같은 문제점을 해결하기 위해 안출된 것으로, 전원콘센트와 같은 전력기기의 전원을 블루투스 송수신 모듈기능에 의해 원격으로 제어할 수 있는 무선전력제어기를 제공하는데 그 목적이 있다.
The present invention has been made to solve the above problems, and an object of the present invention is to provide a wireless power controller that can remotely control the power of a power device such as a power outlet by a Bluetooth transceiver module function.

상술한 목적을 달성하기 위한 본 발명의 특징에 의하면, 본 발명은 전원콘센트의 전원공급을 원격으로 온/오프 제어할 수 있는 무선전력제어기에 있어서, 후면에 콘센트에 연결하는 플러그단자가 구비되고, 전면에 수개의 출력단자부가 구비되며, 내측에 블루투스 수신모듈이 탑재되고, 상기 블루투스 수신모듈에 의해 전류를 온/오프시키는 전류스위칭회로가 형성된 콘센트유닛과, 하우징이 구비되고, 상기 하우징의 전면부에 상기 콘센트유닛(20)의 전류 차단 유,무를 식별 가능한 액정표시부가 형성되며, 상기 콘센트유닛의 전류를 온/오프시키는 조작부버튼이 구비되고, 상기 하우징 내측에 콘센트유닛의 무선 제어를 위한 블루투스 송신모듈 및 시간예약 설정을 위한 타이머 기능이 탑재된 원격조정수단으로 구성된 것을 특징으로 한다.According to a feature of the present invention for achieving the above object, the present invention is a wireless power controller that can remotely control the power supply of the power outlet, there is provided a plug terminal connected to the outlet on the rear, There are several output terminals on the front side, the Bluetooth receiving module is mounted on the inside, the outlet unit is provided with a current switching circuit for switching the current on / off by the Bluetooth receiving module, the housing is provided, the front portion of the housing A liquid crystal display for discriminating whether or not the current is blocked by the outlet unit 20 is formed, and an operation unit button for turning on / off the current of the outlet unit is provided, and a Bluetooth transmission for wireless control of the outlet unit is provided inside the housing. The module and a remote control means equipped with a timer function for setting the time reservation.

본 발명에 의한 무선전력제어기에 의하면, 가정 및 직장 등에서 많이 사용되는 전원콘센터의 전력공급을 원격으로 온/오프 제어할 수 있도록 함으로써, 불필요한 에너지 소비를 막아 에너지 절약을 도모할 수 있는 효과가 있다.
According to the wireless power controller according to the present invention, it is possible to remotely control the power supply of the power cone center used in homes and workplaces remotely, there is an effect that can save energy by preventing unnecessary energy consumption. .

도 1은 본 발명에 따른 무선전력제어기를 보인 사시도
도 2는 본 발명에 따른 무선전력제어기의 사용상태를 보인 되면.1 is a perspective view showing a wireless power controller according to the present invention
Figure 2 shows the state of use of the wireless power controller according to the present invention.

이하, 본 발명의 바람직한 실시예를 첨부된 도면들을 참조하여 상세히 설명한다. 우선 각 도면의 구성 요소들에 참조 부호를 부가함에 있어서, 동일한 구성 요소들에 대해서는 비록 다른 도면상에 표시되더라도 가능한 한 동일한 부호를 가지도록 하고 있음에 유의해야 한다. 또한, 본 발명을 설명함에 있어, 관련된 공지 구성 또는 기능에 대한 구체적인 설명이 본 발명의 요지를 흐릴 수 있다고 판단되는 경우에는 그 상세한 설명은 생략한다. 또한, 이하에서 본 발명의 바람직한 실시예를 설명할 것이나, 본 발명의 기술적 사상은 이에 한정하거나 제한되지 않고 당업자에 의해 변형되어 다양하게 실시될 수 있음은 물론이다.Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings. In the drawings, the same reference numerals are used to designate the same or similar components throughout the drawings. In the following description of the present invention, a detailed description of known functions and configurations incorporated herein will be omitted when it may make the subject matter of the present invention rather unclear. In addition, the preferred embodiments of the present invention will be described below, but it is needless to say that the technical idea of the present invention is not limited thereto and can be variously modified by those skilled in the art.

도 1은 본 발명에 따른 무선전력제어기를 보인 사시도를 나타낸 것이며, 도 2는 본 발명에 따른 무선전력제어기의 사용상태를 보인 도면을 나타낸 것이다.1 is a perspective view showing a wireless power controller according to the present invention, Figure 2 is a view showing a state of use of the wireless power controller according to the present invention.

본 발명에 따른 무선 전력 제어기(100)는 전방향 신호 전송이 가능한 블루투스 송신모듈(1)이 적용된 원격조정수단(10)과, 상기 원격조정수단(10)의 제어에 따라 전류가 온/오프 제어되는 블루투스 수신모듈(2)이 적용된 콘센트유닛(20)으로 구성된다. The wireless power controller 100 according to the present invention is a remote control means 10 to which the Bluetooth transmission module 1 capable of omnidirectional signal transmission is applied, and the current on / off control under the control of the remote control means 10 The Bluetooth receiver module 2 is configured as an outlet unit 20 is applied.

상기 원격조정수단(10)은 상기 콘센트유닛(20)의 무선 제어를 위한 리모컨 기능을 제공하기 위한 것으로서 하우징(11)이 구비되고, 상기 하우징(11)의 전면부에 상기 콘센트유닛(20)의 전류 차단 유,무를 식별 가능한 액정표시부(12)가 형성되며, 상기 콘센트유닛(20)의 전류를 온/오프시키는 조작버튼(13)이 구비되고, 상기 하우징(11) 내측에 콘센트유닛(20)의 무선 제어를 위한 블루투스 송신모듈(1) 및 시간예약 설정을 위한 타이머 기능이 탑재된다.The remote control means 10 is to provide a remote control function for the wireless control of the outlet unit 20 is provided with a housing 11, the front of the housing 11 of the outlet unit 20 A liquid crystal display 12 capable of discriminating whether a current is blocked or not is formed, and an operation button 13 for turning on / off a current of the outlet unit 20 is provided, and the outlet unit 20 is provided inside the housing 11. Is equipped with a Bluetooth transmission module (1) for wireless control and a timer function for time reservation setting.

상기 액정표시부(12)는 LCD 또는 LED디스플레이가 구성될 수 있다.The liquid crystal display 12 may be configured as an LCD or LED display.

상기 조작부버튼(13)은 수개의 콘센트유닛(20)을 채널별로 선택 제어가 가능하도록 온/오프버튼(13a), 채널조절을 위한 채널조절버튼(13b), 타이머설정을 위한 타이머설정버튼(13c) 및 선택버튼(13d) 등으로 세부 구성되는 것이 바람직하다.The operation unit button 13 is on / off button (13a), the channel control button (13b) for channel control, the timer setting button (13c) for setting the timer so as to control the selection of several outlet units 20 for each channel ), And the selection button 13d and the like are preferable.

한편, 상기 원격조정수단(10)의 전원은 하우징(11)내에 배터리를 장착하여 사용할 수 있도록 배터리케이스(14)가 더 구비된다. On the other hand, the power supply of the remote control means 10 is further provided with a battery case 14 so that the battery can be mounted in the housing 11 to be used.

상기 콘센트유닛(20)은 후면에 콘센트에 연결하는 플러그단자(21)가 구비되고, 전면에 수개의 출력단자부(22)가 구비되며, 내측에 블루투스 수신모듈(2)이 탑재되고, 상기 블루투스 수신모듈(2)에 따라 온/오프되는 전류스위칭회로가 형성된다. 이러한 콘센트유닛(20)은 가로형태로 길면서 슬림한 구조로 형성함으로써 벽에 삽입된 2개의 연속된 콘센트 부분이 45도 각도로 비스듬한 구조일 경우, 한쪽을 사용했을 때 다른 콘센트 사용에 방해되지 않도록 고려한 것이다The outlet unit 20 is provided with a plug terminal 21 connected to an outlet at the rear, several output terminal 22 is provided at the front, the Bluetooth receiving module 2 is mounted on the inside, the Bluetooth reception According to the module 2 a current switching circuit is formed which is turned on / off. The outlet unit 20 is formed in a long and slim structure in a horizontal shape so that when two consecutive outlet portions inserted into the wall are oblique at an angle of 45 degrees, so as not to interfere with the use of the other outlet when one is used. Considered

이와 같은 무선전력제어기(100)는 다수의 콘센트유닛(20) 각각에 설정된 채널로 구분할 수 사용할 수 있으며, 원격조정수단(10)의 채널선택을 통해 각 콘센트유닛(20)을 식별하고, 블루투스송신모듈(1)에 의해 각 콘센트유닛(20)에 대해 각각 제어신호를 송신하여 제어하게 된다. Such a wireless power controller 100 can be divided into a channel set in each of the plurality of outlet units 20, identify each outlet unit 20 through the channel selection of the remote control means 10, and transmits Bluetooth The module 1 controls each outlet unit 20 by transmitting a control signal.

즉 원격조정수단(10)은 각 콘센트유닛(20)을 각각의 채널별로 식별하고, 제어하고자하는 콘센트유닛(20)으로 제어신호를 송신하게 되면, 각 콘센트유닛(20)에 탑재된 블루투스수신모듈(2)에 의해 스위칭회로를 온/오프하게 된다.That is, when the remote control means 10 identifies each outlet unit 20 for each channel and transmits a control signal to the outlet unit 20 to be controlled, the Bluetooth receiving module mounted on each outlet unit 20. (2) turns on / off the switching circuit.

이하, 본 발명에 따른 무선전력제어기(100)의 작용에 대해 설명하면, Hereinafter, the operation of the wireless power controller 100 according to the present invention,

콘센트유닛(20)을 벽 등에 마련된 콘센트와 연결하여 AC 전원을 인가하게 된다. 그리고, 원격조정수단과(10)의 블루투스통신을 위한 채널을 설정하여 콘센트유닛(20)의 제어동작 유/무를 확인하게 된다.The outlet unit 20 is connected to an outlet provided on a wall to apply AC power. Then, by setting the channel for the Bluetooth communication of the remote control means and 10 to check the presence / absence of the control operation of the outlet unit (20).

그리고, 수개의 콘센트유닛(20) 중 전원 차단을 원하는 콘센트유닛(20)을 제어할 경우, 원격조정수단(10)의 조작부버튼(13)중 채널조절버튼(13b)으로 원하는 채널을 검색하여 선택버튼(13d)에 의해 선택한 후, 온/오프버튼(13a)에 의해 제어할 수 있게 된다.And, when controlling the outlet unit 20 to be switched off of the several outlet unit 20, the desired channel is searched and selected by the channel control button 13b of the control panel button 13 of the remote control means 10 After selection by the button 13d, it is possible to control by the on / off button 13a.

그리고, 세탁기와 같이 사용이 완료된 후, 콘센트유닛(20)의 전류를 차단제어할 경우 원격조정수단(10)의 타이머설정버튼(13c)에 의해 타이머를 설정하여 일정시간 후 자동 차단설정이 가능하도록 함으로써, 이용 편의성을 높힐 수 있게 된다.Then, after the use is completed, such as a washing machine, when blocking the current of the outlet unit 20, the timer is set by the timer setting button 13c of the remote control means 10 to enable automatic shutoff setting after a certain time. By doing so, it is possible to increase the ease of use.

이상의 설명은 본 발명의 기술 사상을 예시적으로 설명한 것에 불과한 것으로서, 본 발명이 속하는 기술 분야에서 통상의 지식을 가진 자라면 본 발명의 본질적인 특성에서 벗어나지 않는 범위 내에서 다양한 수정, 변경 및 치환이 가능할 것이다. 따라서, 본 발명에 개시된 실시예 및 첨부된 도면들은 본 발명의 기술 사상을 한정하기 위한 것이 아니라 설명하기 위한 것이고, 이러한 실시예 및 첨부된 도면에 의하여 본 발명의 기술 사상의 범위가 한정되는 것은 아니다. 본 발명의 보호 범위는 아래의 청구범위에 의하여 해석되어야 하며, 그와 동등한 범위 내에 있는 모든 기술 사상은 본 발명의 권리범위에 포함되는 것으로 해석되어야 할 것이다.It will be apparent to those skilled in the art that various modifications, substitutions and substitutions are possible, without departing from the scope and spirit of the invention as disclosed in the accompanying claims. will be. Accordingly, the embodiments disclosed in the present invention and the accompanying drawings are not intended to limit the technical spirit of the present invention but to describe the present invention, and the scope of the technical idea of the present invention is not limited by the embodiments and the accompanying drawings. . The protection scope of the present invention should be interpreted by the following claims, and all technical ideas within the equivalent scope should be interpreted as being included in the scope of the present invention.

100 : 무선전력제어기
10 : 원격조정수단 11 : 하우징 12 : 액정표시부 13 : 조작부버튼
20 : 콘센트유닛 21 : 플러그단자 22 : 출력단자부
1 : 블루투스송신모듈 2 : 블루투스수신모듈100: wireless power controller
DESCRIPTION OF SYMBOLS 10 Remote control means 11 Housing 12 Liquid crystal display 13 Control part button
20: outlet unit 21: plug terminal 22: output terminal
1: Bluetooth module 2: Bluetooth module

Claims (1)

전원콘센트의 전원공급을 원격으로 온/오프 제어할 수 있는 무선전력제어기에 있어서,
후면에 콘센트에 연결하는 플러그단자(21)가 구비되고, 전면에 수개의 출력단자부(22)가 구비되며, 내측에 블루투스 수신모듈(2)이 탑재되고, 상기 블루투스 수신모듈(2)에 의해 전류를 온/오프시키는 전류스위칭회로가 형성된 콘센트유닛(20)과,
하우징(11)이 구비되고, 상기 하우징(11)의 전면부에 상기 콘센트유닛(20)의 전류 차단 유,무를 식별 가능한 액정표시부(12)가 형성되며, 상기 콘센트유닛(20)의 전류를 온/오프시키는 조작부버튼(13)이 구비되고, 상기 하우징(11) 내측에 콘센트유닛(20)의 무선 제어를 위한 블루투스 송신모듈(1) 및 시간예약 설정을 위한 타이머 기능이 탑재된 원격조정수단(10)으로 구성된 것을 특징으로 하는 무선전력제어기.

In the wireless power controller that can remotely control the power supply of the power outlet,
A plug terminal 21 connected to an outlet is provided on the rear side, several output terminal units 22 are provided on the front side, and a Bluetooth receiving module 2 is mounted on the inside thereof, and the current is received by the Bluetooth receiving module 2. An outlet unit 20 having a current switching circuit for turning on / off the power supply unit;
A housing 11 is provided, and a liquid crystal display 12 for discriminating whether or not a current is blocked by the outlet unit 20 is formed at a front surface of the housing 11, and the current of the outlet unit 20 is turned on. Control unit button 13 for turning on / off, the remote control means equipped with a Bluetooth transmission module 1 for wireless control of the outlet unit 20 and a timer function for setting the time reservation inside the housing 11 ( Wireless power controller, characterized in that consisting of 10).

KR1020120018288A 2012-02-23 2012-02-23 Wireless power controller Ceased KR20130096800A (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104805647A (en) * 2015-05-20 2015-07-29 淮南联合大学 Bidirectional-communication remote control washing machine
KR20150140146A (en) * 2014-06-05 2015-12-15 주식회사 엘지유플러스 Method, switch and system for controlling power supply
WO2024128500A1 (en) * 2022-12-13 2024-06-20 삼성전자 주식회사 Adapter performing operation to save power, electronic device, and operation method therefor

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20150140146A (en) * 2014-06-05 2015-12-15 주식회사 엘지유플러스 Method, switch and system for controlling power supply
CN104805647A (en) * 2015-05-20 2015-07-29 淮南联合大学 Bidirectional-communication remote control washing machine
WO2024128500A1 (en) * 2022-12-13 2024-06-20 삼성전자 주식회사 Adapter performing operation to save power, electronic device, and operation method therefor

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