TWM481443U - Electronic schoolbag having dual-display touch screen - Google Patents
Electronic schoolbag having dual-display touch screen Download PDFInfo
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Description
本創作是有關於一種電子書包，且特別是有關於一種雙顯示觸摸屏電子書包。This creation is about an electronic school bag, and in particular relates to a dual display touch screen electronic school bag.
目前的電子書包主要有二種終端，一是採用電子紙技術的電子書包，通常為黑白顯示，不能支援多媒體和富媒體（rich media）的功能；二是以平板電腦或筆記型電腦作為電子書包，學生長時間使用非常傷害視力，同時老師上課必須將傳統教材重新編輯製作成多媒體教材，造成老師工作量增加，教材不好管理。此外，目前的電子書包尚缺乏能夠便捷有效獲取外部網路或伺服器資源的功能，加大了電子書包資源獲取的局限性。The current e-book bag mainly has two types of terminals. One is an e-book bag using electronic paper technology, usually in black and white display, which cannot support multimedia and rich media functions. The other is a tablet or notebook computer as an electronic school bag. The long-term use of students is very harmful to vision. At the same time, the teacher must re-edit the traditional textbooks into multimedia teaching materials, which causes the teacher's workload to increase and the teaching materials to be poorly managed. In addition, the current e-book bag lacks the ability to easily and efficiently access external network or server resources, and increases the limitations of e-book resource acquisition.
本創作的目的在於克服以上問題缺陷，而提供一種雙顯示觸摸屏電子書包，實現了一種雙屏顯示互動、支援多媒體和富媒體的功能且能夠便捷有效獲取外部網路或伺服器資源的電子書包，具有互動性強、資源獲取便捷的特點。
為實現上述目的，本創作提出一種雙顯示觸摸屏電子書包，包括中央處理器（central processing unit，CPU）、顯示晶片、兩顯示屏、輸入輸出（input/output，I/O）介面和存儲設備，所述兩顯示屏通過所述顯示晶片與所述中央處理器通信連接，所述I/O介面和所述存儲設備分別與所述中央處理器通信連接；所述顯示晶片個數為二、所述中央處理器個數為一，且每一所述顯示屏分別通過一所述顯示晶片與所述中央處理器通信連接；或所述顯示晶片和所述中央處理器個數都為二，且每一所述顯示屏通過一所述顯示晶片分別與一所述中央處理器通信連接，所述兩個中央處理器之間直接通信連接；所述兩個顯示屏分別為一電子紙和一液晶屏。
在一實施例中，所述電子紙採用電泳顯示器（electrophoretic display，EPD）；所述液晶屏採用薄膜電晶體（thin-film transistor，TFT）顯示器或有機發光二極體（organic light-emitting diode，OLED）顯示器。
在一實施例中，所述雙顯示觸摸屏電子書包還包括兩觸摸屏，所述兩個觸摸屏分別固定於所述兩個顯示屏的表面，並與所述中央處理器通信連接，或分別與一所述中央處理器通信連接。
在一實施例中，所述雙顯示觸摸屏電子書包還包括一網路裝置，所述網路裝置與所述中央處理器通信連接，或與所述兩個中央處理器通信連接，所述網路裝置還與一外部雲端伺服器通信連接。
在一實施例中，所述網路裝置通信連接於一內部區域網路（local area network，LAN）伺服器，並通過所述內部區域網路伺服器與所述外部雲端伺服器通信連接。
在一實施例中，所述雙顯示觸摸屏電子書包還包括一語音資料通信模組，所述語音資料通信模組與所述中央處理器通信連接，或與所述兩個中央處理器通信連接。
在一實施例中，所述雙顯示觸摸屏電子書包還包括一攝像頭，所述攝像頭與所述中央處理器通信連接，或與所述兩個中央處理器通信連接。
在一實施例中，所述雙顯示觸摸屏電子書包還包括一網路電話模組，所述網路電話模組與所述中央處理器通信連接，或與所述兩個中央處理器通信連接。
在一實施例中，所述兩個顯示屏通過一旋轉機構連接，其中一所述顯示屏藉由所述旋轉機構相對於另一所述顯示屏進行0至360度旋轉。
在一實施例中，所述兩個顯示屏為背對背固定設置。
本創作具有以下有益效果：兩顯示晶片的採用，實現了對同時採用兩種顯示屏的支持；電子紙和液晶屏的同時採用，使得用戶在通過電子紙進行常規護眼閱讀的同時，可通過一旁的液晶屏瀏覽與閱讀內容有關的多媒體或富媒體檔案，因此使得用戶對當前閱讀資訊能夠獲得多角度的瞭解，幫助用戶更好地理解當前閱讀內容。而觸摸屏的採用，使得用戶可直接通過觸碰實現對電子書包的功能操作，使得用戶對電子書包的操作更為得便捷，並可通過在觸摸屏表面的直接書寫實現筆記的記錄或對當前閱讀內容的直接修改，增強了電子書包與用戶的互動性。而相互通信連接的兩中央處理器的採用，防止了處理不同顯示屏顯示任務時可能產生的衝突，使得電子書包的運行以及顯示屏的顯示更為地流暢。而網路裝置的採用，使得用戶能夠便捷有效地獲取外部網路或伺服器資源。
本創作在應用時，兩顯示屏中，電子紙顯示傳統教材，彩色液晶屏顯示支援多媒體和富媒體的內容；老師和學生上課學習仍以電子紙顯示的傳統教材為主，液晶屏則用於顯示老師教學課件內容和由外部網路或伺服器或取的資源，以供老師教學說明與學生學習使用，可增加學生學習興趣及課本內容的理解；本創作可以保護學生視力，老師不需重新編輯教材，具有互動性強、資源獲取便捷的特點。
為讓本創作之上述和其他目的、特徵和優點能更明顯易懂，下文特舉較佳實施例，並配合所附圖式，作詳細說明如下。The purpose of this creation is to overcome the above problems, and to provide a dual display touch screen e-book bag, which realizes an electronic book package with dual screen display interaction, supporting multimedia and rich media functions, and convenient and effective access to external network or server resources. It has the characteristics of strong interaction and convenient access to resources.
To achieve the above objectives, the present invention proposes a dual display touch screen electronic book package, including a central processing unit (CPU), a display chip, two display screens, an input/output (I/O) interface, and a storage device. The two display screens are communicably connected to the central processing unit through the display chip, and the I/O interface and the storage device are respectively connected to the central processing unit; the number of the display chips is two. The number of the central processing unit is one, and each of the display screens is communicably connected to the central processing unit through a display chip; or the number of the display chip and the central processing unit is two, and Each of the display screens is communicably connected to a central processing unit via a display wafer, and the two central processing units are directly in communication connection; the two display screens are an electronic paper and a liquid crystal respectively. Screen.
In one embodiment, the electronic paper uses an electrophoretic display (EPD); the liquid crystal panel uses a thin-film transistor (TFT) display or an organic light-emitting diode (organic light-emitting diode). OLED) display.
In an embodiment, the dual display touch screen electronic book package further includes two touch screens respectively fixed on the surfaces of the two display screens, and are communicably connected with the central processing unit, or respectively The central processor communication connection.
In an embodiment, the dual display touch screen e-book bag further includes a network device communicatively coupled to the central processor or communicatively coupled to the two central processors, the network The device is also communicatively coupled to an external cloud server.
In an embodiment, the network device is communicatively coupled to an internal area network (LAN) server and is communicatively coupled to the external cloud server via the internal area network server.
In an embodiment, the dual display touch screen e-book package further includes a voice data communication module, and the voice data communication module is communicatively coupled to the central processor or communicatively coupled to the two central processors.
In an embodiment, the dual display touch screen e-book bag further includes a camera communicatively coupled to the central processor or communicatively coupled to the two central processors.
In an embodiment, the dual display touch screen electronic book package further includes a network telephone module, the network telephone module is communicatively coupled to the central processing unit or communicatively coupled to the two central processing units.
In one embodiment, the two display screens are connected by a rotating mechanism, wherein one of the display screens is rotated by 0 to 360 degrees with respect to the other display screen by the rotating mechanism.
In an embodiment, the two displays are fixed back to back.
The creation has the following beneficial effects: the use of two display wafers realizes the support of adopting two kinds of display screens at the same time; the simultaneous use of electronic paper and liquid crystal screen enables the user to pass through the conventional eye protection reading through electronic paper. The LCD screen on the side browses the multimedia or rich media files related to the reading content, so that the user can get a multi-angle understanding of the current reading information, and help the user to better understand the current reading content. The adoption of the touch screen enables the user to directly perform the function operation of the electronic book bag by touching, so that the user can operate the electronic school bag more conveniently, and can realize the record of the note or the current reading content by direct writing on the surface of the touch screen. The direct modification enhances the interaction between the e-book bag and the user. The use of two central processing units connected to each other prevents conflicts that may occur when different display screens are displayed, so that the operation of the electronic school bag and the display of the display screen are more smooth. The adoption of network devices enables users to easily and efficiently access external network or server resources.
In the application, in the two display screens, the electronic paper displays traditional textbooks, the color LCD screen displays multimedia and rich media content; the teachers and students still use the traditional textbooks displayed by electronic paper, and the LCD screen is used for Display the content of the teacher's courseware and the resources obtained by the external network or server for the teacher's teaching instructions and student learning, which can increase the students' interest in learning and the understanding of the textbook content; this creation can protect the students' vision, and the teacher does not need to re- Editing textbooks is characterized by strong interactivity and convenient access to resources.
The above and other objects, features and advantages of the present invention will become more apparent and understood.
1、1’‧‧‧雙顯示觸摸屏電子書包
10‧‧‧網路電話模組
11‧‧‧中央處理器
12‧‧‧顯示晶片
13‧‧‧顯示屏
131‧‧‧電子紙
132‧‧‧液晶屏
14‧‧‧觸摸屏
15‧‧‧存儲設備
16‧‧‧I/O介面
17‧‧‧網路裝置
18‧‧‧語音資料通信模組
19‧‧‧攝像頭
2‧‧‧外部雲端伺服器
3‧‧‧內部區域網路伺服器1, 1'‧‧‧Double display touch screen e-book bag
10‧‧‧Internet phone module
11‧‧‧Central processor
12‧‧‧ display chip
13‧‧‧Display
131‧‧‧electronic paper
132‧‧‧LCD screen
14‧‧‧ touch screen
15‧‧‧Storage equipment
16‧‧‧I/O interface
17‧‧‧Network devices
18‧‧‧Voice data communication module
19‧‧‧Webcam
2‧‧‧External Cloud Server
3‧‧‧Internal Area Network Server
圖1為根據本創作一實施例之雙顯示觸摸屏電子書包的結構方塊圖。
圖2為根據本創作一實施例之雙顯示觸摸屏電子書包的外部結構示意圖。
圖3為根據本創作另一實施例之雙顯示觸摸屏電子書包的結構方塊圖。
圖4為根據本創作一實施例之雙顯示觸摸屏電子書包的使用狀態立體示意圖。
圖5的（a）和（b）分別為根據本創作另一實施例之雙顯示觸摸屏電子書包的兩使用狀態立體示意圖。1 is a block diagram showing the structure of a dual display touch screen electronic book according to an embodiment of the present invention.
2 is a schematic diagram showing the external structure of a dual display touch screen electronic book according to an embodiment of the present invention.
3 is a block diagram showing the structure of a dual display touch screen electronic book according to another embodiment of the present invention.
4 is a perspective view showing the state of use of a dual display touch screen electronic book according to an embodiment of the present invention.
(a) and (b) of FIG. 5 are respectively perspective views of two use states of the dual display touch screen electronic book package according to another embodiment of the present creation.
下面結合具體實施例對本創作作進一步說明。在以下說明中，為呈現對本創作之說明的一貫性，故在不同的實施例中，若有功能與結構相同或相似的元件會用相同的元件符號與名稱。在實施例中所提到的方向用語，例如「上」、「下」、「左」、「右」、「前」、「後」等，僅是參考附加圖式的方向，因此，使用的方向用語是用來說明，而非用來限制本創作。
請參閱圖1，圖1為根據本創作一實施例之雙顯示觸摸屏電子書包的結構方塊圖。本創作的雙顯示觸摸屏電子書包1包括中央處理器11、顯示晶片12、兩顯示屏13、I/O介面16和存儲設備15，兩顯示屏13通過顯示晶片12與中央處理器11通信連接，I/O介面16和存儲設備15分別與中央處理器11通信連接；此外，在本實施例中，顯示晶片12個數為二、中央處理器11個數為一，且每一顯示屏13分別通過一顯示晶片12與中央處理器11通信連接。兩顯示晶片12的採用，實現了對同時採用兩種顯示屏13的支持。
雙顯示觸摸屏電子書包1還包括網路裝置17，網路裝置17與中央處理器11通信連接。網路裝置17可直接以有線或無線的方式與外部雲端伺服器2通信連接；或以有線或無線的方式通信連接於一內部區域網路伺服器3，再通過內部區域網路伺服器3與外部雲端伺服器2通信連接。網路裝置17的採用，使得用戶能夠便捷有效地獲取外部網路或伺服器資源，擴大了用戶可獲取的資源範圍，提高了用戶閱讀的便捷性。
另外，雙顯示觸摸屏電子書包1還包括語音資料通信模組18、攝像頭19和網路電話（voice over internet protocol，VOIP）模組10，語音資料通信模組18、攝像頭19和網路電話模組10都與中央處理器11通信連接。語音資料通信模組18、攝像頭19和網路電話模組10的採用，進一步實現了電子書包的功能的多樣性。
中央處理器11與網路裝置17、存儲設備15、I/O介面16、網路電話模組10、攝像頭19和語音資料通信模組18以有線或無線的方式通信連接。
請參閱圖2，圖2為根據本創作一實施例之雙顯示觸摸屏電子書包的外部結構示意圖。以圖1所示雙顯示觸摸屏電子書包1為例，兩個顯示屏13分別為一電子紙131和一液晶屏132。電子紙131採用電泳顯示器（EPD）；液晶屏132採用薄膜電晶體（TFT）顯示器或有機發光二極體（OLED）顯示器。電子紙131和液晶屏132的同時採用，使得用戶在通過電子紙131進行常規護眼閱讀的同時，可通過一旁的液晶屏132瀏覽與閱讀內容有關的多媒體或富媒體檔案，因此使得用戶對當前閱讀資訊能夠獲得多角度的瞭解，幫助用戶更好地理解當前閱讀內容。
雙顯示觸摸屏電子書包1還包括兩觸摸屏14，兩觸摸屏14分別固定於兩顯示屏13的表面，在本實施例中即是分別固定於電子紙131和液晶屏132的表面，兩觸摸屏14並與中央處理器11通信連接。需要說明的是，其中一觸摸屏14固定於一對應之顯示屏13的表面而組成一顯示觸摸屏，另一觸摸屏14固定於另一對應之顯示屏13的表面而組成另一顯示觸摸屏，因此電子書包1具有雙顯示觸摸屏。觸摸屏14的使用，使得用戶可直接通過觸碰實現對電子書包的功能操作，使得用戶對電子書包的操作更為得便捷，並可通過在觸摸屏14表面的直接書寫實現筆記的記錄或對當前閱讀內容的直接修改，增強了電子書包與用戶的互動性。
請參閱圖3，圖3為根據本創作另一實施例之雙顯示觸摸屏電子書包的結構方塊圖。與圖1所示雙顯示觸摸屏電子書包1相比，圖3所示雙顯示觸摸屏電子書包1’的顯示晶片12和中央處理器11個數都為二，且每一顯示屏13通過一顯示晶片12分別與一中央處理器11通信連接，兩個中央處理器11之間直接通信連接。此外，雙顯示觸摸屏電子書包1’的兩觸摸屏14分別與一中央處理器11通信連接，而I/O介面16、存儲設備15、網路裝置17、語音資料通信模組18、攝像頭19和網路電話模組10分別都與兩個中央處理器11通信連接。相互通信連接的兩中央處理器11的採用，防止了處理不同顯示屏13顯示任務時可能產生的衝突，使得雙顯示觸摸屏電子書包 1’的運行以及顯示屏13的顯示更為地流暢。
請參閱圖4，圖4為根據本創作一實施例之雙顯示觸摸屏電子書包的使用狀態立體示意圖。在本實施例中，雙顯示觸摸屏電子書包的兩個顯示屏分別為電子紙131和液晶屏132，且電子紙131和液晶屏132通過一旋轉機構（未繪示）連接，其中一顯示屏（如電子紙131）可藉由旋轉機構相對於另一顯示屏（如液晶屏132）進行0至360度旋轉。
請參閱圖5，圖5的（a）和（b）分別為根據本創作另一實施例之雙顯示觸摸屏電子書包的兩使用狀態立體示意圖。在本實施例中，雙顯示觸摸屏電子書包的兩個顯示屏分別為電子紙131和液晶屏132，且電子紙131和液晶屏132為背對背固定設置；換句話說，電子紙131和液晶屏132分別位於電子書包的前方和後方。
以上結合圖式和實施例對本創作進行了詳細說明，本領域中具有通常知識者可根據上述說明對本創作做出種種變化例。因而，實施例中的某些細節不應構成對本創作的限定，本創作將以所附申請專利範圍界定的範圍作為本創作的保護範圍。The present invention will be further described below in conjunction with specific embodiments. In the following description, in order to present the consistency of the description of the present invention, in the different embodiments, elements having the same or similar functions and structures will have the same component symbols and names. The directional terms mentioned in the examples, such as "upper", "lower", "left", "right", "front", "rear", etc., are only referring to the direction of the additional schema, therefore, Directional terms are used to illustrate, not to limit the creation.
Please refer to FIG. 1. FIG. 1 is a block diagram showing the structure of a dual display touch screen electronic book according to an embodiment of the present invention. The dual display touch screen electronic book bag 1 of the present invention comprises a central processing unit 11, a display chip 12, two display screens 13, an I/O interface 16 and a storage device 15, and the two display screens 13 are communicably connected to the central processing unit 11 via the display wafer 12. The I/O interface 16 and the storage device 15 are respectively connected to the central processing unit 11; in addition, in the embodiment, the number of display wafers 12 is two, the number of central processing units 11 is one, and each display screen 13 is respectively The display processor 12 is communicatively coupled to the central processing unit 11. The use of two display wafers 12 enables support for the simultaneous use of two display screens 13.
The dual display touch screen e-book 1 also includes a network device 17 that is communicatively coupled to the central processing unit 11. The network device 17 can be directly connected to the external cloud server 2 by wire or wirelessly; or can be connected to an internal area network server 3 by wire or wirelessly, and then connected to the internal area network server 3 through The external cloud server 2 is connected in communication. The adoption of the network device 17 enables the user to conveniently and efficiently acquire external network or server resources, expands the range of resources available to the user, and improves the convenience of the user's reading.
In addition, the dual display touch screen electronic school bag 1 further includes a voice data communication module 18, a camera 19 and a voice over internet protocol (VOIP) module 10, a voice data communication module 18, a camera 19 and a network telephone module. 10 is in communication with the central processing unit 11. The use of the voice data communication module 18, the camera 19 and the network telephone module 10 further realizes the diversity of functions of the electronic book bag.
The central processing unit 11 and the network device 17, the storage device 15, the I/O interface 16, the network telephone module 10, the camera 19, and the voice data communication module 18 are communicably connected in a wired or wireless manner.
Please refer to FIG. 2. FIG. 2 is a schematic diagram showing the external structure of a dual display touch screen electronic book according to an embodiment of the present invention. Taking the dual display touch screen electronic book bag 1 shown in FIG. 1 as an example, the two display screens 13 are an electronic paper 131 and a liquid crystal screen 132, respectively. The electronic paper 131 employs an electrophoretic display (EPD); the liquid crystal panel 132 employs a thin film transistor (TFT) display or an organic light emitting diode (OLED) display. The electronic paper 131 and the liquid crystal screen 132 are simultaneously used, so that the user can browse the multimedia or rich media files related to the reading content through the liquid crystal screen 132 while performing conventional eye protection reading through the electronic paper 131, thus making the user current Reading information can gain a multi-angle understanding and help users better understand the current reading.
The dual display touch screen electronic school bag 1 further includes two touch screens 14 respectively fixed to the surfaces of the two display screens 13, which are respectively fixed on the surfaces of the electronic paper 131 and the liquid crystal screen 132 in the embodiment, and the two touch screens 14 are combined with The central processing unit 11 is communicatively coupled. It should be noted that one touch screen 14 is fixed on the surface of a corresponding display screen 13 to form a display touch screen, and the other touch screen 14 is fixed on the surface of another corresponding display screen 13 to form another display touch screen, so the electronic school bag 1 has a dual display touch screen. The use of the touch screen 14 enables the user to directly perform the functional operation of the electronic book bag by touching, so that the user can operate the electronic school bag more conveniently, and can realize the recording of the notes or the current reading by direct writing on the surface of the touch screen 14. The direct modification of the content enhances the interaction between the e-book bag and the user.
Please refer to FIG. 3. FIG. 3 is a block diagram showing the structure of a dual display touch screen electronic book according to another embodiment of the present invention. Compared with the dual display touch screen electronic book bag 1 shown in FIG. 1, the display chip 12 and the central processing unit 11 of the dual display touch screen electronic book bag 1' shown in FIG. 3 are both two, and each display screen 13 passes through a display chip. 12 are respectively connected in communication with a central processing unit 11 and are directly in communication connection between the two central processing units 11. In addition, the two touch screens 14 of the dual display touch screen electronic school bag 1' are respectively communicatively coupled to a central processing unit 11, and the I/O interface 16, the storage device 15, the network device 17, the voice data communication module 18, the camera 19, and the network. The road telephone modules 10 are each communicatively coupled to two central processors 11. The use of the two central processing units 11 in communication with each other prevents conflicts that may occur when different display screens 13 are displayed, so that the operation of the dual display touch screen electronic school bag 1' and the display of the display screen 13 are more smooth.
Please refer to FIG. 4. FIG. 4 is a perspective view showing the use state of the dual display touch screen electronic bookbag according to an embodiment of the present invention. In this embodiment, the two display screens of the dual display touch screen electronic school bag are respectively the electronic paper 131 and the liquid crystal screen 132, and the electronic paper 131 and the liquid crystal screen 132 are connected by a rotating mechanism (not shown), wherein one display screen ( For example, the electronic paper 131 can be rotated by 0 to 360 degrees with respect to another display screen (such as the liquid crystal panel 132) by the rotating mechanism.
Referring to FIG. 5, (a) and (b) of FIG. 5 are respectively perspective views of two use states of a dual display touch screen electronic book according to another embodiment of the present invention. In this embodiment, the two display screens of the dual display touch screen electronic school bag are respectively the electronic paper 131 and the liquid crystal screen 132, and the electronic paper 131 and the liquid crystal screen 132 are fixedly arranged back to back; in other words, the electronic paper 131 and the liquid crystal screen 132. They are located in front of and behind the e-book bag.
The present invention has been described in detail above with reference to the drawings and embodiments, and those skilled in the art can make various modifications to the present invention based on the above description. Therefore, some of the details in the embodiments should not be construed as limiting the scope of the invention, and the scope of the invention is defined by the scope of the appended claims.
1‧‧‧雙顯示觸摸屏電子書包 1‧‧‧Dual display touch screen e-book bag
10‧‧‧網路電話模組 10‧‧‧Internet phone module
11‧‧‧中央處理器 11‧‧‧Central processor
12‧‧‧顯示晶片 12‧‧‧ display chip
13‧‧‧顯示屏 13‧‧‧Display
14‧‧‧觸摸屏 14‧‧‧ touch screen
15‧‧‧存儲設備 15‧‧‧Storage equipment
16‧‧‧I/O介面 16‧‧‧I/O interface
17‧‧‧網路裝置 17‧‧‧Network devices
18‧‧‧語音資料通信模組 18‧‧‧Voice data communication module
19‧‧‧攝像頭 19‧‧‧Webcam
2‧‧‧外部雲端伺服器 2‧‧‧External Cloud Server
3‧‧‧內部區域網路伺服器 3‧‧‧Internal Area Network Server
Claims (10)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012204458797U CN202771651U (en) | 2012-09-03 | 2012-09-03 | Dual display touch screen type dual-core electronic schoolbag |
| CN 201220444806 CN202871110U (en) | 2012-09-03 | 2012-09-03 | Electronic school bag with double display touch screen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| TWM481443U true TWM481443U (en) | 2014-07-01 |
Family
ID=51723590
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| TW102216540U TWM481443U (en) | 2012-09-03 | 2013-09-03 | Electronic schoolbag having dual-display touch screen |
Country Status (1)
| Country | Link |
|---|---|
| TW (1) | TWM481443U (en) |
-
2013
- 2013-09-03 TW TW102216540U patent/TWM481443U/en not_active IP Right Cessation
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