TWM337191U - Switching system having remote-controlling function - Google Patents

Switching system having remote-controlling function Download PDF

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Publication number
TWM337191U
TWM337191U TW96222058U TW96222058U TWM337191U TW M337191 U TWM337191 U TW M337191U TW 96222058 U TW96222058 U TW 96222058U TW 96222058 U TW96222058 U TW 96222058U TW M337191 U TWM337191 U TW M337191U
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Taiwan
Prior art keywords
power
control
power supply
electronic device
module
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TW96222058U
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Chinese (zh)
Inventor
hou-qin Li
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Power Comm Technology Co Ltd
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Priority to TW96222058U priority Critical patent/TWM337191U/en
Publication of TWM337191U publication Critical patent/TWM337191U/en

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Description

M337191 八、新型說明: 【新型所屬之技術領域】 ' 本辦侧於切換系統,尤指—種具有遠端控制功能之切換 . 系統。 【先前技術】 ㉟,錄當前科技騎步以及製造錢的魏,使得個人電 腦或筆記型電腦的產量大增且價格降低,因此,一般人即使擁有 ^ 二台以上的電腦’也早已是普遍的狀況;尤甚者,為了追求作業 的分工以及學術上的研究等目地’更可能擁有超過四台以上的電 腦。然而,傳統觀念中,一主機搭配就會搭配一螢幕,在當前的 世界中不僅止是造成成本以及空間细上的浪f,更造成資源與 環保的一大傷害。 故,有製造廠商開發出一種多電腦切換器,俗稱kvm 鲁 Switch’其中K是Keyboard (鍵盤)的縮寫,uVide〇 (榮幕) 的縮寫,而Μ是Mouse (滑鼠)的縮寫,其係一種電腦硬體設備, —可以讓使用者通過-套鍵盤、顯示器及職而在得以控制多台電 、腦’然而’由於使用者在同-個時間中只能控制其中一台電腦, 因此,在多電肋換器上具備有_魏,以在多台電二^擇 所要操控的電腦。此舉,不僅讓使用者只需購買一套鍵盤、顯示 器及滑鼠即可分別控制多台電腦,亦可讓工程師得以在^一地= 工作,而不必在機房間疲於奔命,達到提高工作效率之目的。 惟,倘若設置在遠方機房内的電腦非正常工作(例如·當機) 5 M337191 時,在倾κνΜ設財,仍需要親自到機房内進行冷開機的程 序;此外’當使用者欲使用-電腦,才發現到該電腦尚未開機時, 亦必須親自到機相開啟電源,此舉’皆造成使用者在使用上的 不便。因此’如何設計出-種多電腦切難,以解決上述之問題, 此舉,實乃目前刻不容緩之一重要課題。 【新型内容】M337191 VIII. New description: [New technical field] 'This office is on the switching system, especially the switch with remote control function. System. [Prior Art] 35, recording the current technology riding and manufacturing money, making the output of personal computers or notebook computers increase and the price is reduced. Therefore, even if the average person has more than two computers, it is already a common situation. Especially, in order to pursue the division of work and academic research, it is more likely to have more than four computers. However, in the traditional concept, a host match will be matched with a screen. In the current world, not only the cost and the fineness of the space are caused, but also a major harm to resources and environmental protection. Therefore, some manufacturers have developed a multi-computer switcher, commonly known as kvm Lu Switch' where K is the abbreviation of Keyboard (keyboard), uVide〇 (shear), and Μ is the abbreviation of Mouse (the mouse) A computer hardware device that allows a user to control multiple computers and brains through a set of keyboards, displays, and functions. However, since the user can control only one of the computers in the same time, therefore, The multi-electric rib changer is equipped with _Wei, in order to control the computer to be controlled in multiple electric powers. This will not only allow users to control multiple computers by purchasing a set of keyboards, monitors and mice, but also allow engineers to work in a place without having to work in the machine room to improve work efficiency. purpose. However, if the computer set up in the remote computer room is not working properly (for example, when the machine is down) 5 M337191, if you set up your money, you still need to go to the computer room to perform the cold boot process. In addition, when the user wants to use it - computer Only when the computer has not been turned on, it is necessary to turn on the power in person, which is a cause of inconvenience to the user. Therefore, how to design a multi-computer to solve the above problems is an important issue that cannot be delayed. [New content]

、有鑑於傳統之多電腦切換器中所具有之諸多缺點,因此,為 改進習用之缺點’於是創作人乃經過長久之努力研究與實驗,終 於開發設計出本創作之-種具有遠端控制功能之切換系統,以期 猎由本創作之問世及其設計巧思,她·會絲提出貢獻。 &本創作之-目的,係提供一種具有遠端控制功能之切換系 統’其係包含有-訊號切換裝置及—電源管理裝置,該二裝置間 =互連接’並制歧少—電子裝勘互雜在-起,使得該訊 =換裝置得雜由該電源管理裝置,管理該電子裝置之電源之 狀悲’藉以達到強制關閉電子裝置之電源之目的。 為便料纟㈣雜、觀裝置特徵 /、力效做更進步之認識與瞭解,兹舉實施例配合圖 細說明如下: 【實施方式】 本劍作係-種具有翻控制魏之婦魏1G,請參閱第! ΓΓ該系統1G包含—訊號切換裝置2G及一電源管理裝置5〇。 〜4置2G、5G透過實断路或鱗傳輸等技術,相互連接並藉 6 M337191 := 一調控該電源管理褒置50。該二裝置2。、50可分 __统】n子裝置8G (如:電腦主機)共同連接在—起。如此, ^置80祕之翻者,可麵該訊物錄置2G取得該電子 3= 峨,_咖抒_料控制該訊In view of the many shortcomings of the traditional multi-computer switcher, in order to improve the shortcomings of the application, the creator has been developing and designing this kind of creation with a long-term control function. The switching system, in order to hunt for the creation of this creation and its design ingenuity, she will contribute. & The purpose of this creation is to provide a switching system with remote control function, which includes a -signal switching device and a power management device, and the two devices are connected to each other and have less discrimination - electronic assembly Interspersed with each other, so that the device is replaced by the power management device, and the power supply of the electronic device is managed to achieve the purpose of forcibly turning off the power of the electronic device. For the purpose of understanding (4) miscellaneous, observing device characteristics, and improving the understanding and understanding of the force effect, the following examples are combined with the following diagrams: [Embodiment] This sword-made system has a turning control Wei Zhiwei Wei 1G , see the first! The system 1G includes a signal switching device 2G and a power management device 5A. ~4 set 2G, 5G through the real circuit or scale transmission technology, interconnected and borrowed 6 M337191 := one to regulate the power management device 50. The second device 2. 50 can be divided into __ system] n sub-device 8G (such as: computer host) connected together. So, if you set the 80 secret, you can use the 2G to get the electronic 3= 峨, _ 咖 抒 _ control

==2G發赌制指令,俾該梅理健Μ在接收到該 控術曰4,得以管理該電子裝置80之電源之狀態。== 2G sends a beating order, and the Merijian is able to manage the state of the power of the electronic device 80 after receiving the control.

請參閱第2及3圖所示,該訊號切換震置20内建有相互相連 接在起之第-控鮮元21及第—網路單元⑵,而該電源管理 ,置50内建有相互連接在一起之一第二控制單元51及第二網路 單儿52。該二網路單元22、52可藉由實體線路(如:RJ45或USB 等)或無線(如:藍芽或8〇2. llb等)傳輸等技術相互連接,以 供該二控制單元21、51相互傳輸資料。Please refer to Figures 2 and 3, the signal switching device 20 has a built-in first-control unit 21 and a network unit (2) connected to each other, and the power management, the built-in 50 has a mutual One of the second control unit 51 and the second network unit 52 are connected together. The two network units 22, 52 can be connected to each other by a physical line (such as RJ45 or USB, etc.) or wireless (such as: Bluetooth or 8 〇 llb, etc.) for the two control units 21, 51 mutual transmission of data.

月多閱第1及2圖所示亥訊號切換裝置2〇係内建有分別與 該第-控制單元21相互連接之-輸人模組23及—第—顯示單元 25 (如·液晶顯不器);其中該輸入模組23包含有復數健制元 件24,例如·按鈕或鍵盤等,其係可設置於該訊號切換裝置邡外 侧’供使用者按麵作,藉以達成習知多電肋換器(如先前技 術中所述之KVM Switch)切換影音及控制訊號之功能,及或讓使 用者在按壓已預先設定好之控制元件24後,俾該第一控制單元21 可產生對應之控制指令等二目地。而該第一顯示單元25可用來顯 示該第一顯示單元25所提供之資訊,例如··使用者當前所使用之 7 M337191 電子裝置80。 * 再者’復請參閱第1及2圖所示’該訊號切換褒置咬有一 - 介面模組30,該介面模組30與該第一控制單元21相互連接。該 介面模組30包含有至少二組介面端31、32,其一係控制介面^ : 31,可與至少一輸入裝置81 (如:鍵盤及或滑鼠等,可為ps2及 或USB等介面所設計而成)相互連接’可供各該輸入襄置81在被 使用者操作後,其所產生之控制訊號得以傳輪至該第一控制單元 • 21中’並產生對應之控制指令;另-係影音介面端32,可與至少 一輸出裝置82 (如:螢幕、喇〇八及或麥克風等)相互連接,用以 將自該電子裝置80中所取得影音訊號傳輸_輸蚊置犯中。 復請參閱第1及2圖所示,該訊號切換裝置2〇内尚設有一切 換模組40 ’係與該第一控制單元21相互連接,且包含有複數個訊 號埠41,用以各自與對應之電子裝置8〇相互連接。其中,各該訊 # 號埠41可經由該切換模、組,取得該第-控制單元21所發出之 控制指令,或係將其所接收到之影音訊號,經由該切換模組40, . 傳輸至該第一控制單元21中。 :—又,復請參閱第1及2圖所示,各該訊號埠41分別設有至少 、、、傳輪^ 42、43 ’其-係控制傳輸端42,可與對應之電子褒置 80相互連接,用以傳輸上述之控制訊號至該電子裝置別中;另一 係〜曰傳輪端43 ’可與該電子裝置8G之多媒體傳輸介面(圖中未 不’如·顯計及或音效轉)相互連接,用崎收自該電子 置80所輪出之影音訊號。 、 8 M337191 如此在依上述叹扣斤達成之一實施例中,復請參閱第1及2 圖所示,該第-控鮮元21可在侧_輸人模組23中已預設 好之控制元件24被制者_時,可產生—鋪齡,並經由該 切換模組40,傳輸該對應之電子裝置8()中,俾該電子裝置8〇在 非當機之狀態下, 如··開機或關機等 ,例 可依該控制指令,自我管理其電源之狀態The multi-channel switching device 2 shown in Figures 1 and 2 is internally provided with an input module 23 and a - display unit 25 respectively connected to the first control unit 21 (e.g. The input module 23 includes a plurality of health-care components 24, such as a button or a keyboard, which can be disposed outside the signal switching device 供 for the user to make a face-to-face basis, thereby achieving a conventional multi-electric rib exchange. The device (such as the KVM Switch described in the prior art) switches the function of the video and control signals, and or allows the user to press the pre-set control element 24, and the first control unit 21 can generate a corresponding control command. Waiting for two eyes. The first display unit 25 can be used to display the information provided by the first display unit 25, for example, the 7 M337191 electronic device 80 currently used by the user. * Further, please refer to FIGS. 1 and 2 for the signal switching device to interface with an interface module 30, which is interconnected with the first control unit 21. The interface module 30 includes at least two sets of interface ends 31, 32, and a control interface ^: 31, and at least one input device 81 (such as a keyboard and or a mouse, etc., can be ps2 or USB interface Designed to be interconnected' for each of the input devices 81 after being operated by the user, the control signals generated thereby can be transmitted to the first control unit 21 and generate corresponding control commands; - an audio and video interface 32, which can be connected to at least one output device 82 (such as a screen, a slap, or a microphone) for transmitting audio and video signals from the electronic device 80. . Referring to FIG. 1 and FIG. 2, the switching device 40 is further provided with a switching module 40' connected to the first control unit 21, and includes a plurality of signals 埠41 for respectively The corresponding electronic devices 8 are connected to each other. The signal #41 can obtain the control command sent by the first control unit 21 via the switching mode or group, or transmit the video signal received by the switching module 40 via the switching module 40. Up to the first control unit 21. : - Again, as shown in Figures 1 and 2, each of the signals 埠 41 is provided with at least , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , , Connected to each other for transmitting the above control signals to the electronic device; another system to the transmitting wheel end 43' can be connected to the multimedia transmission interface of the electronic device 8G (not shown in the figure) Turn) Connected to each other, using the audio and video signals that are taken from the electronic device 80. 8 M337191 In the embodiment according to the above-mentioned sigh, the first control unit 21 can be preset in the side_input module 23 as shown in FIGS. 1 and 2. When the control element 24 is manufactured, the age of the device can be generated, and the corresponding electronic device 8 () is transmitted through the switching module 40, and the electronic device 8 is in a state of non-downtime, such as · Power on or off, etc., according to the control command, self-manage the state of its power supply

此和請參閱第3騎示之魏管理錢5(),其係設有一第 -顯:單7G 53 ’與該第二控制單元51相互連接,用以接收該第二 控制早το 51所發出之峨,並轉換成文字及或卿等資訊,以提 供使用者操作提示。又,該電源管理裝置5G内尚可設有-供電模 組6〇 ’可與-般市電(如:11〇或22〇伏特等)相互連接並内 建有t用之電£轉換、穩壓及遽波等功能電路,以提供穩定適合 的電源給該魏管理裝置5G (如:3至20鱗)及絲電子裝置 '(如:11〇或220伏特等)使用。又,該供電模組6〇設有一蓄 電單元61 ’其係—種具有可充放電功能之電池,職儲存該供電 模,6〇自外所取得之電源。再者,該供電模組6G可與該第二控 單-1相互電氣連接,令該第二控制單元51可監控該供電模 組=電源狀態(如:穩定度及電壓值等)及或該蓄電單元61 蓄電里及麵電里等資訊,並顯示在該第二顯示單元上,供 使用者參考。 “請參閱第1及3 _示,該電源管理裝置50尚包含有一管理 ^ 該s理模組70與該第二控制單元51及該供電模組6〇分 9 M337191 別相互連接,並包含錢數個可與f子裝置8G概連接之電源痒 7卜各該電源埠71可經由該管理模組7〇,而自該供電模組6〇中 取得電源(如:11G或22G伏特等),並傳輸至對應之電子裝置8〇 中’以供應該電子裝置80正常運作所需之電源。如此,請參閱第 2及3圖所示,在本_之另—實施财,#該域切換裝置2〇 上之輸入漁23上預奴_树24被健,並產生對應之控 制指令時,該訊軸齡置2Q可經由—及f二娜單元22 52之相互連接之狀態’將該控制指令傳輸到該電源管理裝置邪 中’俾該第二控制單元51可健控_令,令該管理模組刊管 理3亥電料71之供餘態’例如1由停止該電料η之供電 狀態’藉以_關與其相連接之電子裝ϊ8()之電源,用以方便 使用者關閉遠端已當機之電子裝置8〇。 依上述該實施例之管理模組7G所達成之又一實施例中,請參 閱第1及3圖所示,各該電源埠71可包含有至少二輸出端m, 其-係控制輸出端72,可與該電子裝置8Q之電路(如:主機板或 該電子mG上習知之功能電路(如:網路卡)等)相互連接, 用以將Θ第—控制單元51所接收到並經轉換後之控術旨令,傳輸 到該電子裝置80 + ’俾該電子裝置8〇在非當機之狀態下,可依 該控制指令,自理其電源之狀態,例如:義·機等;另 一係電源輸出端73,可與該電子裝置⑽相互連接,以提供電源至 該電子裝置80。 按,以上所述,僅為本創作最佳之一具體實施例,惟本創作 M337191 之構造特徵並不侷限於此,任何熟悉該項技藝者在本創作領域 内,可輕易思及之變化或修飾,皆可涵蓋在以下本案之專利範圍 【圖式簡單說明】 第1圖係本創作之切換系統之結構示意圖; 第2圖係本創作中,該切換祕之—錢切換裝置之結構示音圖. .3 〇 【主要TL件符號說明】 切換系統.........1G訊餘雜置 •21 第一網路單元...22 23控制元件.........24 •25介面模組.........3〇 •31影音介面端......32 •40訊號埠.............. •42影音傳輸端......幻 •50第二控制單元"·51 •52第二顯示單元…幻 6〇蓄電單元.........61 7〇電源埠............71 72電源輸出端......73 8〇輸入裝置.........81 82 弟一控制單元· 輸入組....... 第一顯示單元· 控制介面端···· 切換模組....... 控制傳輸端···· 電源管理裝置· 第二網路單元· 供電模組···· 管理模組···· 控制輸出端· 電子裝置··. 輸出裝置···For the sum, please refer to the third management fee 5 (), which is provided with a first-display: single 7G 53 'connected with the second control unit 51 for receiving the second control early το 51 After that, it is converted into text and/or information to provide user operation tips. In addition, the power management device 5G can be provided with a power supply module 6〇' which can be connected to the general power supply (such as 11〇 or 22〇V, etc.) and has built-in electricity conversion and voltage regulation. And chopper and other functional circuits to provide a stable and suitable power supply for the Wei management device 5G (such as: 3 to 20 scales) and silk electronic devices (such as: 11 〇 or 220 volts, etc.). Further, the power supply module 6 is provided with a power storage unit 61', which is a battery having a chargeable and dischargeable function, and stores the power supply module, and the power source obtained from the outside. Furthermore, the power supply module 6G can be electrically connected to the second control unit-1, so that the second control unit 51 can monitor the power supply module=power status (such as stability and voltage value, etc.) and/or the The power storage unit 61 stores information such as power storage and surface power, and displays the information on the second display unit for reference by the user. "Please refer to the first and third _, the power management device 50 further includes a management module 70 and the second control unit 51 and the power supply module 6 are divided into 9 M337191, and contain money A plurality of power sources 184 that can be connected to the F-sub-device 8G can be powered by the power-supply module 6A via the management module 7 (eg, 11G or 22G volts, etc.). And transmitted to the corresponding electronic device 8' to supply the power required for the normal operation of the electronic device 80. Thus, as shown in Figures 2 and 3, in the other, the domain switching device 2, when the input fisherman 23 is pre-slave _ tree 24 is healthy, and when the corresponding control command is generated, the signal axis is set to 2Q, and the control command is made via the state of the interconnection of the and the two-unit 22 52 Transferring to the power management device, the second control unit 51 can control the command, so that the management module can manage the supply state of the battery 71, for example, by stopping the power supply state of the battery η 'By _ off the power of the electronic device 8 () connected to it, to facilitate the user to close the remote has been down In another embodiment achieved by the management module 7G of the above embodiment, as shown in FIGS. 1 and 3, each of the power ports 71 may include at least two output terminals m, which - The control output 72 can be connected to the circuit of the electronic device 8Q (such as a motherboard or a functional circuit (such as a network card) on the electronic mG) for connecting the first control unit 51. The received and converted control command is transmitted to the electronic device 80 + '俾 The electronic device 8 is in a state of non-downtime, and the state of the power source can be self-care according to the control command, for example: Another power supply output 73 can be interconnected with the electronic device (10) to provide power to the electronic device 80. According to the above, it is only one of the best embodiments of the present invention, but the creation The structural features of M337191 are not limited to this. Anyone who is familiar with the art in this field of creation can easily think about changes or modifications, and can be covered in the following patent scope of the case [Simple Description] Figure 1 The structure of the switching system of the creation Intention; Fig. 2 is the structure of the switching secret device - the structure of the money switching device. .3 〇 [main TL symbol description] switching system ......... 1G interference • 21 first network unit...22 23 control elements.........24 •25 interface module.........3〇•31 audio interface end..... .32 •40 signal 埠.............. •42 video transmission terminal... 幻•50 second control unit"·51 • 52 second display unit... illusion 6〇Power storage unit............61 7〇Power supply埠............71 72 power output terminal...73 8〇Input device.... .....81 82 Brother-Control Unit·Input Group....... First Display Unit· Control Interface End···· Switching Module....... Control Transmission Terminal···· Power management device · Second network unit · Power supply module ···· Management module ···· Control output · Electronic device ··. Output device···

Claims (1)

M337191 元中; 另一係影音介面端,可與至少-輸蚊置相互連接 該電子裴置中所取得影音訊號傳輸到該輸出裴置中。 、 5 '如申請專利細第4項所述之切換系統 :::有T 一控制單元相互連接之-切換模組,該:: ^3有_個峨4 ’肋各自與對應之電子裝置相互連接,且 各該訊稱分別設有至少二轉輸端: 其-係控制傳輸端,可與對應之電子農置相 控制訊號; 《用以傳輸 另一係影音傳輸端,可與該電子裝置相互連接 電子裝置所輸出之影音訊號。 时6、如中請專利範圍第5項所述之切換系統,其中該第一控制 早几在债測到該輸入模組中已預設好之控制元件之狀態改變時,產 生-控制指令,並經由該切換模組,傳輸該對應之電子裝置中。 7、如㈣專利範圍第2、3、4、5或6項所述之切換系統,复 中该電齡縣置設有與該第二控鮮元相互連接之—第二顯矛 :=接_二控制單元所級訊號,並轉換成叫 如申請專利範圍第7項所述之切換系統,其中該電源管理 、置又有i、賴組’其峽有電顯換、健及濾波等功能 路’用以連接—般市電,並提供穩定電源。 9、如申請專利範圍第8項所述之切換系統,其中該供電模組 13 M337191 設有:蓄,用:儲存該供電模組自外所取得之電源。 οβ μ專物&财9撕叙城錢,其料第-_制 早元與該供電模組相互連接,用以監控該供 該蓄電單元之ί電技纖妓等資訊。 電原狀怨及或 裝:二其中該電源管理 分別相互雜,並衫錢_•好裝讀電权組 各該電源埠經由該管理模组,自 趣之電源埠, 至對應之電繼巾 雜触巾轉麵,用以傳輸 …如ΐ__第_视之_ 裝置依各該控制元件之狀態變化,產 ^_換 第-及第二網路單元,將該控心=二並經由該 以控制該管理模組管g該電源埠之供餘態。’、、置中’用 13、如中請專利細第12項所述之她系統,_ 埠包含有至少二輸出端,其一係控制輸出端,用垃…以源 之電路’麟輸控她令至該電子 3電子裝置 用以連接該電子裝置,提供電源。巾而另一係電源輸出端,M337191 yuan; another video interface end, can be connected with at least - mosquito nets. The audio and video signals obtained in the electronic device are transmitted to the output device. 5', as described in the patent application item 4, the switching system::: T-control unit is connected to each other - the switching module, the:: ^3 has _ 峨 4' ribs and the corresponding electronic devices are mutually Connected, and each of the signals is respectively provided with at least two transfer ends: the control transmission end can be connected with the corresponding electronic farm control signal; "for transmitting another video transmission end, and the electronic device The audio and video signals output by the electronic device are connected to each other. 6. The switching system of claim 5, wherein the first control generates a control command when the state of the control component that has been preset in the input module is changed. And transmitting the corresponding electronic device via the switching module. 7. The switching system described in item (2) of the patent scope, paragraphs 2, 3, 4, 5 or 6 is provided with the second control spear connected to the second control unit. _ The control signal of the second control unit is converted into a switching system as described in claim 7 of the patent application scope, wherein the power management, the device has the function of i, the Lai group, the electric power display, the health and the filtering function. The road 'connects to the general power supply and provides a stable power supply. 9. The switching system according to claim 8, wherein the power supply module 13 M337191 is provided with: storing: the power source obtained by the power supply module from the outside. Οβ μ specials & 9 rips the city money, the material of the first - _ system and the power supply module are connected to each other to monitor the information on the power storage unit. The original resentment or installation: Second, the power management is mixed with each other, and the money _• good to read the power group, the power supply through the management module, from the power supply 埠, to the corresponding electric relay Touching the surface of the towel for transmission... such as ΐ__第_视_ The device changes according to the state of each control element, and the first and second network units are replaced, and the control is replaced by Controlling the management module tube g to supply power to the remaining state. ',, centering with 13, as in the patent described in the 12th item of her system, _ 埠 contains at least two outputs, one of which controls the output, using the ... source circuit She ordered the electronic 3 electronic device to be connected to the electronic device to provide power. Wipe and another power output,
TW96222058U 2007-12-25 2007-12-25 Switching system having remote-controlling function TWM337191U (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI454017B (en) * 2011-03-30 2014-09-21 Io Power Technology Co Ltd Line-interactive power control system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI454017B (en) * 2011-03-30 2014-09-21 Io Power Technology Co Ltd Line-interactive power control system

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