TW201510851A - Tablet computer - Google Patents
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Abstract
Description
本發明是有關於一種可攜式電子裝置，特別是指一種可做為周邊裝置的平板電腦。 The invention relates to a portable electronic device, in particular to a tablet computer which can be used as a peripheral device.
參見圖1所示，現有一種平板電腦1具有一顯示器11，一控制顯示器11的顯示控制電路12，以及一可外接一顯示器2(或具有顯示器的電子裝置)的HDMI傳輸埠13。且顯示控制電路12中還包含一與HDMI傳輸埠13電耦接的HDMI輸出埠121。當HDMI傳輸埠13未外接顯示器2時，顯示控制電路12會將中央處理單元10提供的一影像訊號輸出至內部顯示器11顯示，而當HDMI傳輸埠13外接顯示器2時，顯示控制電路12會將該影像訊號輸出至外接的顯示器2顯示。再者，平板電腦1會透過一USB主控電路(USB HOST或OTG)14去存取內建的USB儲存單元15以及USB輸入單元16，例如重疊在顯示器2上的透明觸控面板。且USB主控電路14還可透過一USB傳輸埠17存取一外接的USB周邊裝置3，例如USB儲存裝置。 Referring to FIG. 1, a tablet computer 1 has a display 11, a display control circuit 12 for controlling the display 11, and an HDMI port 13 for externally connecting a display 2 (or an electronic device having a display). The display control circuit 12 further includes an HDMI output port 121 electrically coupled to the HDMI port 13 . When the HDMI transmission port 13 is not externally connected to the display 2, the display control circuit 12 outputs an image signal provided by the central processing unit 10 to the internal display 11, and when the HDMI transmission port 13 is externally connected to the display 2, the display control circuit 12 The image signal is output to the external display 2 for display. Moreover, the tablet 1 accesses the built-in USB storage unit 15 and the USB input unit 16 through a USB host control circuit (USB HOST or OTG) 14, such as a transparent touch panel that is superimposed on the display 2. And the USB main control circuit 14 can also access an external USB peripheral device 3, such as a USB storage device, through a USB port.
但是，除此之外，反過來說，電子裝置例如電腦或筆記型電腦並不能藉由外接平板電腦1以使用平板電 腦1的顯示器11來顯示其輸出的影像訊號，亦不能使用平板電腦1內建的USB輸入單元16做為其另一個輸入介面，使得現有平板電腦1的應用受到局限，而此一應用上的限制可能影響消費者的購買意願。因此，若能發展平板電腦的多方面應用，將有助於提高消費者購買平板電腦的意願。 However, in addition, in other words, an electronic device such as a computer or a notebook computer cannot use a tablet PC by using an external tablet computer 1 The display 11 of the brain 1 displays the video signal outputted by the brain 1 and cannot use the USB input unit 16 built in the tablet 1 as the other input interface, so that the application of the existing tablet 1 is limited, and this application is Limitations may affect consumers' willingness to buy. Therefore, if you can develop a multi-faceted application of the tablet, it will help to increase consumers' willingness to buy a tablet.
因此，本發明的目的在於提供一種可選擇做為主控裝置或周邊裝置的平板電腦。 Accordingly, it is an object of the present invention to provide a tablet computer that can be selected as a master or peripheral device.
於是，本發明一種平板電腦，包括一顯示器、一影音傳輸埠、一顯示控制電路、一第一切換開關、一USB主控電路、一USB輸入單元、一USB傳輸埠、一第二切換開關、一切換控制電路及一方向開關。其中該顯示控制電路包含一與該顯示器電耦接的影像輸入埠，以及一影像輸出埠；該第一切換開關控制該影音傳輸埠與該顯示控制電路的該影像輸入埠或該影像輸出埠其中之一電耦接；該第二切換開關控制該USB輸入單元與該USB主控電路或該USB傳輸埠其中之一電耦接；該切換控制電路與該第一切換開關及該第二切換開關電耦接；該方向開關與該切換控制電路電耦接，且該方向開關被切至一第一位置時，該切換控制電路控制該第一切換開關電耦接該影音傳輸埠與該顯示控制電路的該影像輸出埠，並控制該第二切換開關電耦接該USB輸入單元與該USB主控電路，而當該方向開關被切至一第二位置時，該切換控制電路控制該第一切換開 關電耦接該影音傳輸埠與該顯示控制電路的該影像輸入埠，並控制該第二切換開關電耦接該USB輸入單元與該USB傳輸埠。 Therefore, the tablet computer of the present invention comprises a display, an audio and video transmission port, a display control circuit, a first switch, a USB main control circuit, a USB input unit, a USB transmission port, a second switch, A switching control circuit and a direction switch. The display control circuit includes an image input port electrically coupled to the display, and an image output port; the first switch controls the video transmission port and the image input port of the display control circuit or the image output port. One of the second switching switches electrically controls the USB input unit to be electrically coupled to the USB main control circuit or the USB transmission unit; the switching control circuit and the first switching switch and the second switching switch Electrically coupled; the direction switch is electrically coupled to the switching control circuit, and when the direction switch is cut to a first position, the switching control circuit controls the first switching switch to electrically couple the video transmission port and the display control The image output of the circuit is controlled, and the second switch is electrically coupled to the USB input unit and the USB main control circuit, and when the direction switch is cut to a second position, the switch control circuit controls the first Switch on The image is electrically coupled to the image input port of the display control circuit, and the second switch is electrically coupled to the USB input unit and the USB port.
較佳地，該影音傳輸埠是一HDMI傳輸埠，該影像輸入埠是一HDMI輸入埠，該影像輸出埠是一HDMI輸出埠。 Preferably, the video transmission port is an HDMI transmission port, and the image input port is an HDMI input port, and the image output port is an HDMI output port.
較佳地，該USB主控電路是USB HOST或USB OTG。 Preferably, the USB host control circuit is a USB HOST or a USB OTG.
較佳地，該USB輸入單元是一重疊在該顯示器上的透明觸控面板。 Preferably, the USB input unit is a transparent touch panel superimposed on the display.
較佳地，該平板電腦還包括一USB儲存單元，且該方向開關被切至該第一位置時，該切換控制電路還控制該第二切換開關電耦接該USB儲存單元與該USB主控電路，而當該方向開關被切至該第二位置時，該切換控制電路還控制該第二切換開關電耦接該USB儲存單元與該USB傳輸埠。 Preferably, the tablet computer further includes a USB storage unit, and the switch control circuit further controls the second switch to electrically couple the USB storage unit and the USB host when the direction switch is cut to the first position. a circuit, and when the direction switch is cut to the second position, the switching control circuit further controls the second switch to electrically couple the USB storage unit to the USB port.
本發明讓使用者可藉由切換方向開關，讓平板電腦做為一主控裝置或做為一周邊裝置，使平板電腦做為主控裝置時，其影音傳輸埠做為影像訊號的輸出介面，且其USB傳輸埠可外接其它USB周邊裝置，且平板電腦做為周邊裝置時，其影音傳輸埠做為影像訊號的輸入介面，且其傳輸埠做為內建的USB儲存單元及USB輸入單元與外接的電子裝置的連接介面，使USB輸入單元能做為電子裝置的另一個輸入介面，而達到本發明的目的及功效。 The invention allows the user to switch the direction switch to make the tablet computer as a main control device or as a peripheral device, and when the tablet computer is used as the main control device, the audio and video transmission is used as the output interface of the image signal. Moreover, the USB transmission device can be connected to other USB peripheral devices, and when the tablet computer is used as a peripheral device, the audio and video transmission is used as an input interface of the image signal, and the transmission port is used as a built-in USB storage unit and a USB input unit. The connection interface of the external electronic device enables the USB input unit to serve as another input interface of the electronic device, thereby achieving the object and effect of the present invention.
4‧‧‧平板電腦 4‧‧‧ Tablet PC
5‧‧‧顯示器 5‧‧‧ display
6‧‧‧USB周邊裝置 6‧‧‧USB peripheral device
7‧‧‧電子裝置 7‧‧‧Electronic devices
41‧‧‧顯示器 41‧‧‧ display
42‧‧‧影音傳輸埠 42‧‧‧Video Transmission埠
43‧‧‧顯示控制電路 43‧‧‧Display control circuit
44‧‧‧第一切換開關 44‧‧‧First switch
45‧‧‧USB主控電路 45‧‧‧USB main control circuit
46‧‧‧USB輸入單元 46‧‧‧USB input unit
47‧‧‧USB傳輸埠 47‧‧‧USB transmission埠
48‧‧‧第二切換開關 48‧‧‧Second switch
49‧‧‧切換控制電路 49‧‧‧Switching control circuit
50‧‧‧方向開關 50‧‧‧directional switch
51‧‧‧USB儲存單元 51‧‧‧USB storage unit
52‧‧‧中央處理單元 52‧‧‧Central Processing Unit
71‧‧‧顯示器 71‧‧‧ display
431‧‧‧影像輸入埠 431‧‧‧Image input埠
432‧‧‧影像輸出埠 432‧‧‧Image output埠
本發明之其他的特徵及功效，將於參照圖式的實施方式中清楚地呈現，其中：圖1是習知一種平板電腦的主要電路方塊圖；圖2是本發明平板電腦的一較佳實施例的主要電路方塊圖，其中說明本實施例做為一主控裝置的態樣；及圖3說明本實施例做為一周邊裝置的態樣。 Other features and effects of the present invention will be apparent from the following description of the drawings. FIG. 1 is a block diagram of a conventional circuit diagram of a tablet computer; FIG. 2 is a preferred embodiment of the tablet computer of the present invention. The main circuit block diagram of the example, which illustrates the embodiment as a main control device; and FIG. 3 illustrates the embodiment of the present embodiment as a peripheral device.
參見圖2所示，本發明平板電腦4的一較佳實施例主要包括一顯示器41、一影音傳輸埠42、一顯示控制電路43、一第一切換開關44、一USB主控電路45、一USB輸入單元46、一USB傳輸埠47、一第二切換開關48、一切換控制電路49及一方向開關50。其中，影音傳輸埠42在本實施例中是HDMI傳輸埠，且顯示控制電路43包含與顯示器41電耦接的一影像輸入埠431，以及一影像輸出埠432，其中較佳地，影像輸入埠431是HDMI輸入埠，影像輸出埠432是HDMI輸出埠。 Referring to FIG. 2, a preferred embodiment of the tablet computer 4 of the present invention mainly includes a display 41, a video transmission port 42, a display control circuit 43, a first switch 44, a USB host circuit 45, and a The USB input unit 46, a USB transfer port 47, a second switch 48, a switch control circuit 49, and a direction switch 50. The video transmission port 42 is an HDMI transmission port in the embodiment, and the display control circuit 43 includes an image input port 431 electrically coupled to the display 41, and an image output port 432. Preferably, the image input port 埠431 is the HDMI input port, and the image output port 432 is the HDMI output port.
第一切換開關44電耦接在顯示控制電路43與影音傳輸埠42之間，用以控制影音傳輸埠42與顯示控制電路43的影像輸入埠431或影像輸出埠432其中之一電耦接。USB主控電路45是USB HOST或USB OTG，其透過第二切換開關48與USB輸入單元46、USB傳輸埠47及一內建的USB儲存單元51電耦接，其中USB輸入單元46在本實施例是一與顯示器41重疊的透明觸控面板。且USB 主控電路45主要接受來自USB輸入單元46的輸入訊號，並傳送給平板電腦4的中央處理單元52進行後續處理，並且根據中央處理單元52的命令，對USB儲存單元51進行存取。此外，USB主控電路45還可透過第二切換開關48及USB傳輸埠47，對與USB傳輸埠47電耦接的一外接的USB周邊裝置6進行存取。 The first switch 44 is electrically coupled between the display control circuit 43 and the AV port 42 for controlling the AV port 42 to be electrically coupled to one of the image input port 431 or the image output port 432 of the display control circuit 43. The USB main control circuit 45 is a USB HOST or a USB OTG, and is electrically coupled to the USB input unit 46, the USB transfer port 47, and a built-in USB storage unit 51 through the second switch 48, wherein the USB input unit 46 is implemented in the present embodiment. An example is a transparent touch panel that overlaps the display 41. And USB The main control circuit 45 mainly receives the input signal from the USB input unit 46 and transmits it to the central processing unit 52 of the tablet computer 4 for subsequent processing, and accesses the USB storage unit 51 according to the command of the central processing unit 52. In addition, the USB host control circuit 45 can also access an external USB peripheral device 6 electrically coupled to the USB port 47 via the second switch 48 and the USB port 47.
第二切換開關48則用以控制USB輸入單元46與USB主控電路45或USB傳輸埠47其中之一電耦接。切換控制電路49與第一切換開關44及第二切換開關48電耦接，且方向開關50與切換控制電路49電耦接，用以切換平板電腦4做為一主控裝置或周邊裝置。當方向開關50位於一第一位置，例如被切至第一位置或其初始位置就在第一位置時，平板電腦4做為一主控裝置，此時方向開關50令切換控制電路49控制第一切換開關44電耦接影音傳輸埠42與顯示控制電路43的影像輸出埠432，並控制第二切換開關48電耦接USB輸入單元46、USB儲存單元51與USB主控電路45。 The second switch 48 is used to control the USB input unit 46 to be electrically coupled to one of the USB host circuit 45 or the USB port 47. The switch control circuit 49 is electrically coupled to the first switch 44 and the second switch 48, and the direction switch 50 is electrically coupled to the switch control circuit 49 for switching the tablet 4 as a master or peripheral device. When the direction switch 50 is in a first position, for example, when the first position is cut or the initial position is in the first position, the tablet computer 4 is used as a main control device, and the direction switch 50 causes the switching control circuit 49 to control the first A switch 44 is electrically coupled to the video output port 42 of the video control port 42 and the display control circuit 43 and controls the second switch 48 to electrically couple the USB input unit 46, the USB storage unit 51 and the USB host control circuit 45.
藉此，如圖2所示，當一外接的顯示器5與平板電腦4的影音傳輸埠42電耦接，且顯示控制電路43收到中央處理單元52提供的一影像訊號時，顯示控制電路43會將影像訊號輸出至影像輸出埠432，使經由第一切換開關44及影音傳輸埠42送至外接的顯示器5顯示。同時，USB主控電路45可以對USB儲存單元51進行存取，並接收來自USB輸入單元46的輸入訊號。且當USB傳輸埠47有外 接USB周邊裝置6時，USB主控電路45還可以對外接的USB周邊裝置6，例如USB儲存裝置進行存取動作。 Therefore, as shown in FIG. 2, when an external display 5 is electrically coupled to the audio and video transmission port 42 of the tablet computer 4, and the display control circuit 43 receives an image signal provided by the central processing unit 52, the display control circuit 43 The image signal is output to the image output port 432, and is sent to the external display 5 via the first changeover switch 44 and the audio/video transmission port 42 for display. At the same time, the USB host control circuit 45 can access the USB storage unit 51 and receive an input signal from the USB input unit 46. And when the USB transmission is 47 When the USB peripheral device 6 is connected, the USB host control circuit 45 can also perform an access operation to the external USB peripheral device 6, such as a USB storage device.
而當方向開關50位於一第二位置時，例如被由第一位置切至第二位置時，平板電腦4則做為一周邊裝置，此時，方向開關50令切換控制電路49控制第一切換開關44電耦接影音傳輸埠42與顯示控制電路43的影像輸入埠431，並控制第二切換開關48將USB輸入單元46和USB儲存單元51與USB傳輸埠47電耦接。這時因為中央處理單元52與USB主控電路45都暫時不會被使用到，因此進入休眠狀態。 When the direction switch 50 is in a second position, for example, when the first position is cut to the second position, the tablet 4 is used as a peripheral device. At this time, the direction switch 50 causes the switching control circuit 49 to control the first switching. The switch 44 is electrically coupled to the video transmission port 42 and the image input port 431 of the display control circuit 43, and controls the second switch 48 to electrically couple the USB input unit 46 and the USB storage unit 51 with the USB port 47. At this time, since the central processing unit 52 and the USB main control circuit 45 are temporarily not used, the sleep state is entered.
藉此，如圖3所示，當一外接的電子裝置7，例如筆記型電腦或桌上型電腦，與平板電腦4的影音傳輸埠42及USB傳輸埠47電耦接時，電子裝置7即可透過影音傳輸埠42，將原本在其本身顯示器71顯示的影像訊號經由第一切換開關44及影像輸入埠431輸出至平板電腦4的顯示器41顯示。同時，電子裝置7除了可以透過USB傳輸埠47存取平板電腦4的USB儲存單元51外，使用者在USB輸入單元46上進行輸入操作而產生的輸入訊號也會透過第二切換開關48及USB傳輸埠47傳送至電子裝置7，並由電子裝置7對輸入訊號進行相關處理，並產生一相對應的影像訊號透過影音傳輸埠42、第一切換開關44及影像輸入埠431輸出至顯示器41顯示，又或者電子裝置7會根據USB輸入單元46的輸入訊號執行相對應的動作或指令。 Therefore, as shown in FIG. 3, when an external electronic device 7, such as a notebook computer or a desktop computer, is electrically coupled to the audio/video transmission port 42 and the USB port 47 of the tablet computer 4, the electronic device 7 is The video signal originally displayed on the display 71 itself can be output to the display 41 of the tablet 4 via the first switch 44 and the video input port 431 via the video transmission port 42. In addition, the electronic device 7 can access the USB storage unit 51 of the tablet 4 through the USB port 47, and the input signal generated by the user performing the input operation on the USB input unit 46 can also pass through the second switch 48 and the USB. The transmission port 47 is transmitted to the electronic device 7, and the input signal is processed by the electronic device 7, and a corresponding image signal is generated and outputted to the display 41 through the video transmission port 42, the first switch 44 and the image input port 431. Or the electronic device 7 performs a corresponding action or instruction according to the input signal of the USB input unit 46.
例如，若電子裝置7令USB輸入單元(即透明觸 控面板)46工作在一手寫輸入模式時，則使用者在USB輸入單元46上進行手寫輸入的軌跡會經由第二切換開關48及USB傳輸埠47傳送至電子裝置7，經過電子裝置7進行手寫辯識後，產生相對應的一影像訊號經由影音傳輸埠42、第一切換開關44及影像輸入埠431輸出至顯示器41顯示；而若電子裝置7令USB輸入單元(即透明觸控面板)46工作在一繪圖模式時，則使用者在USB週邊單元46上進行繪圖的軌跡經由電子裝置7辨識後，會產生一相對應的影像訊號並輸出顯示在顯示器41上，並且在使用者完成手寫或繪圖輸入後，使用者可選擇將完成的手寫或繪圖內容儲存在平板電腦4的USB儲存單元51或者存在電子裝置7的儲存單元(圖未示)。 For example, if the electronic device 7 makes the USB input unit (ie, transparent touch When the control panel 46 is operated in a handwriting input mode, the user's handwriting input on the USB input unit 46 is transmitted to the electronic device 7 via the second switch 48 and the USB port 47, and is handwritten by the electronic device 7. After the identification, a corresponding image signal is output to the display 41 via the audio and video transmission port 42, the first switch 44 and the image input port 431, and the electronic device 7 causes the USB input unit (ie, the transparent touch panel) 46. When working in a drawing mode, the user's drawing on the USB peripheral unit 46 is recognized by the electronic device 7, and a corresponding image signal is generated and outputted on the display 41, and the user finishes writing or After the drawing is input, the user can select to store the completed handwriting or drawing content in the USB storage unit 51 of the tablet 4 or the storage unit (not shown) of the electronic device 7.
又例如電子裝置7令USB輸入單元46(透明觸控面板)工作在一觸控模式時，則使用者可以透過在USB輸入單元46上直接點擊電子裝置7輸出至顯示器41顯示的影像畫面中的電子圖像(ICON)或特定觸控區域，來開啟相對應的程式或執行相對應的動作，或者以不同的觸控手勢對影像畫面進行放大、縮小、複製..等操作。 For example, when the electronic device 7 causes the USB input unit 46 (transparent touch panel) to operate in a touch mode, the user can directly click on the electronic input device 7 on the USB input unit 46 to output the image displayed on the display 41. An electronic image (ICON) or a specific touch area to open a corresponding program or perform a corresponding action, or to enlarge, reduce, copy, etc. the image image with different touch gestures.
綜上所述，上述實施例讓使用者可藉由切換方向開關50，讓平板電腦4做為一主控裝置或做為一周邊裝置，使平板電腦4做為主控裝置時，其影音傳輸埠42做為影像訊號的輸出介面，且其USB傳輸埠47可外接其它USB周邊裝置，且平板電腦4做為周邊裝置時，其影音傳輸埠42做為影像訊號的輸入介面，且其USB傳輸埠47做為其 內建的USB儲存單元51及USB輸入單元46與外接的電子裝置7之連接介面，使USB輸入單元46能做為電子裝置7的另一個輸入介面，確實達到本發明的目的及功效。 In summary, the above embodiment allows the user to switch the direction switch 50 to make the tablet computer 4 as a master device or as a peripheral device, and when the tablet computer 4 is used as the master device, the video and audio transmission is performed.埠42 is used as the output interface of the image signal, and its USB transmission port 47 can be connected to other USB peripheral devices, and when the tablet computer 4 is used as a peripheral device, the audio and video transmission port 42 is used as an input interface of the image signal, and its USB transmission埠47 as its The connection interface between the built-in USB storage unit 51 and the USB input unit 46 and the external electronic device 7 enables the USB input unit 46 to serve as the other input interface of the electronic device 7, which achieves the object and effect of the present invention.
惟以上所述者，僅為本發明之較佳實施例而已，當不能以此限定本發明實施之範圍，即大凡依本發明申請專利範圍及專利說明書內容所作之簡單的等效變化與修飾，皆仍屬本發明專利涵蓋之範圍內。 The above is only the preferred embodiment of the present invention, and the scope of the present invention is not limited thereto, that is, the simple equivalent changes and modifications made by the patent application scope and patent specification content of the present invention, All remain within the scope of the invention patent.
4‧‧‧平板電腦 4‧‧‧ Tablet PC
7‧‧‧電子裝置 7‧‧‧Electronic devices
41‧‧‧顯示器 41‧‧‧ display
42‧‧‧影音傳輸埠 42‧‧‧Video Transmission埠
43‧‧‧顯示控制電路 43‧‧‧Display control circuit
44‧‧‧第一切換開關 44‧‧‧First switch
45‧‧‧USB主控電路 45‧‧‧USB main control circuit
46‧‧‧USB輸入單元 46‧‧‧USB input unit
47‧‧‧USB傳輸埠 47‧‧‧USB transmission埠
48‧‧‧第二切換開關 48‧‧‧Second switch
49‧‧‧切換控制電路 49‧‧‧Switching control circuit
50‧‧‧方向開關 50‧‧‧directional switch
51‧‧‧USB儲存單元 51‧‧‧USB storage unit
52‧‧‧中央處理單元 52‧‧‧Central Processing Unit
71‧‧‧顯示器 71‧‧‧ display
431‧‧‧影像輸入埠 431‧‧‧Image input埠
432‧‧‧影像輸出埠 432‧‧‧Image output埠
Claims (5)
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW102133215A TWI509505B (en) | 2013-09-13 | 2013-09-13 | Tablet |
| CN201420428839.0U CN203982283U (en) | 2013-09-13 | 2014-07-31 | Tablet computer |
| CN201410372722.XA CN104460856A (en) | 2013-09-13 | 2014-07-31 | Tablet computer |
| US14/472,408 US20150081930A1 (en) | 2013-09-13 | 2014-08-29 | Tablet computer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW102133215A TWI509505B (en) | 2013-09-13 | 2013-09-13 | Tablet |
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| Publication Number | Publication Date |
|---|---|
| TW201510851A true TW201510851A (en) | 2015-03-16 |
| TWI509505B TWI509505B (en) | 2015-11-21 |
Family
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| Application Number | Title | Priority Date | Filing Date |
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| TW102133215A TWI509505B (en) | 2013-09-13 | 2013-09-13 | Tablet |
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| Country | Link |
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| TW (1) | TWI509505B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI611697B (en) * | 2016-10-04 | 2018-01-11 | 神雲科技股份有限公司 | Hdmi device and method for controlling the same |
| US10430358B2 (en) | 2017-03-30 | 2019-10-01 | Mitac Computing Technology Corporation | High-definition multimedia interface apparatus capable of communication with slave/master apparatus utilizing the same HDMI port and method for controlling the same |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW588831U (en) * | 2002-02-07 | 2004-05-21 | Jiun-Fu Liou | Writing plate computer capable of switching display output and externally connecting input apparatus |
| US20050156902A1 (en) * | 2004-01-20 | 2005-07-21 | Mcpherson Roger | Electronic tablet |
| US20070241990A1 (en) * | 2006-04-14 | 2007-10-18 | Smith Douglas L | Method for automatically switching video sources to a display device |
| TWI463364B (en) * | 2011-10-14 | 2014-12-01 | Syncmold Entpr Corp | System and method for touch device with external input function |
| TWI457825B (en) * | 2012-01-13 | 2014-10-21 | Wistron Corp | Touch display, computer system having a touch display, and method of switching modes of a touch display |
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2013
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI611697B (en) * | 2016-10-04 | 2018-01-11 | 神雲科技股份有限公司 | Hdmi device and method for controlling the same |
| US10430358B2 (en) | 2017-03-30 | 2019-10-01 | Mitac Computing Technology Corporation | High-definition multimedia interface apparatus capable of communication with slave/master apparatus utilizing the same HDMI port and method for controlling the same |
Also Published As
| Publication number | Publication date |
|---|---|
| TWI509505B (en) | 2015-11-21 |
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