201132212 PNAI-SW-0276-TWXX 33487twf.doc/n 六、發明說明： 【發明所屬之技術領域】 本發明是有關於一種連線技術，且特別是有關於一種 設備間快速建立連線的方法。 ' 【先前技術】 現在市面上許多設備都是先利用藍芽（施伽。仇）、 紅外線UnWd Rays’ IR)或是侧等連線技術建立起 彼此的連線（識―），織才得以進行雙向的傳 輸。然而，在現今設備_立連線的触巾，由於連 ㈣=驟繁璃且限制頗多，故而連線成率^ 尚，亦即可能需要重複進行多次連缘 千不 以至於讓多數使用者感受到使用耗 時。以手機與手機等設備利用 的耗 例，雙方都需要先選擇藍芽連線、何建立連線為 -組連線料，糊m 《料各別鍵入同 設定過程有誤的話，則立，但若中間連線 至連線成功為止。要雜飾”的魏設定，直 【發明内容】 有鑒於此，本發明提供— 本發明提供一種建立連線 線的方法’包括：當兩， 201132212 PNAI-SW-0276-TWXX 33487nvf.doc/n 建立連線以進行資料傳輸時，致使該兩設備之其一呈現一 條碼；透過該兩設備之另—的一攝像裝置拍攝該條碼；藉 由-連線應用程式來分析該條碼，藉以獲得_分析結果； 依據該分析結果觸該兩設備是否具有至少—制連線技 術」以及當判斷出該兩設備具有多個共同連線技術時，致 使該兩設備採_些共_線技術之其—建立連線以進行 資料傳輸。 、於本發明一實施例中，本發明所提供之建立連線的方 法^包括：當判斷出該兩設備未具有該至少一共同連線技 術4 ’終止該兩^備建立連線，或者致使該⑽備利用一 網際網路進行資料傳輸。 =發明1施例中’可以㈣啟連線應用程式後再 夂I置來拍攝條碼；或者，可以先透過攝像裝置來 拍知條碼後再開啟連線應用程式。 =本發明—實施例中，當該兩設備具有多個共同連線 ’則可以選擇具有最快傳輸速度的連線技術、優先 =puority)較向的連線技術，或者預設（和包ult)的連 線技術。 於本發明一實施例中’當該兩設備僅具有一個共同連 線技術時，則無須進行選擇的機制。 。於本發明—實施例中，條碼可以標示在設備的外觀 •^或者以圖像方式儲存在設備中，且其可以為一維條碼、 一維條碼或三維條瑪。 於本發明一實施例中’該兩設備所具有的多個共同連 201132212 PNAI-SW-0276-TWXX 33487nvf.doc/n 線技術可以為娜i、藍芽、紅外線、m201132212 PNAI-SW-0276-TWXX 33487twf.doc/n VI. Description of the Invention: [Technical Field] The present invention relates to a connection technique, and more particularly to a method for quickly establishing a connection between devices. '[Prior Art] Many devices on the market now use Bluetooth (Shiga.) or Infrared UnWd Rays' IR or side-by-side connection technology to establish a connection (awareness). Perform two-way transmission. However, in today's equipment _ vertical connection of the tent, because even (four) = sudden glass and a lot of restrictions, so the connection rate is still, that is, it may need to repeat multiple times to make the majority People feel that time is spent. In the case of the use of mobile phones and mobile phones, both parties need to first select the Bluetooth connection, and how to establish the connection as a group connection material. If the materials are incorrectly typed, the setting process is wrong, but If the middle is connected to the connection, it is successful. In view of the above, the present invention provides a method for establishing a connection line, including: when two, 201132212 PNAI-SW-0276-TWXX 33487nvf.doc/n When the connection is established for data transmission, one of the two devices is presented with a code; the other device of the two devices captures the barcode; and the connection application analyzes the barcode to obtain _ The result of the analysis; according to the result of the analysis, whether the two devices have at least a connection technology, and when it is determined that the two devices have multiple common connection technologies, causing the two devices to adopt a common-line technology- Establish a connection for data transfer. In an embodiment of the present invention, the method for establishing a connection provided by the present invention includes: when it is determined that the two devices do not have the at least one common connection technology 4 'terminate the two devices to establish a connection, or cause The (10) device utilizes an internet network for data transmission. = Inventive 1 In the example, you can use the (4) connection application and then set the bar code; or you can use the camera to capture the barcode and then open the connection application. = In the present invention - in the embodiment, when the two devices have a plurality of common connections ', then the connection technology with the fastest transmission speed, the priority=puerity) connection technology, or the preset (and the package ult) can be selected. ) Connection technology. In an embodiment of the invention, when the two devices have only one common connection technique, there is no need to make a selection mechanism. . In the embodiment of the present invention, the barcode may be marked on the appearance of the device, or stored in the device as an image, and may be a one-dimensional barcode, a one-dimensional barcode, or a three-dimensional barcode. In an embodiment of the present invention, the two devices have a plurality of common connections 201132212 PNAI-SW-0276-TWXX 33487nvf.doc/n line technology can be na, blue, infrared, m
Wimax、LTE、2.5G與3G等連線技術。 基於上述’本發明所提出之建立連線的方法主要是運 念以搭配—套連線應用程式來實現設備間快 k建連線的目的。如此—來’即可使得對連線設定不是 很在行的老弱婦助能_鬆快速地完成連線奴，藉以 增加使用上的便利性與縮短設定上的時間。 曰 應瞭解的是，上述-般描述及以下具體實施方式僅為 例不性及雜性的’其並不能關本發日㈣欲主張之範圍。 【實施方式】 現將洋細麥考本發明之示範性實施例，在附圖中說明 =述示範性實施例之實例。另外，凡可能之處，在圖式及 貫施方式中使用相同標號的元件/構件代表相同或類似部 分。 圖1A繪不為本發明—實施例之建立連線的方法流程 圖。請參照圖1A，本實施例之建立連線的方法包括以下步 驟··首先’各別内建—套連線應用程式（c〇nnecti〇n application program)至第—設備與第二設備（步驟sl〇1)。 於本實施例中，第一毁備與第二設備可以是電腦、數位相 框、電子書、手機、電視與螢幕等電子產品，但皆不限制 於此。 接著’當第一設備與第二設備欲建立連線以進行資料 傳輸時，致使第一設備與第二設備之其一（例如第〜設備 201132212 PNA1-SW-0276-TWXX 33487twf.doc/n 以便於說明）呈現一條瑪（barcode)(步驟S103〉 驟S103中所述的條碼可以為一維條碼（1乃barC()d 二 維條碼（2D barcode)，甚至是三維條碼（3Db# e 、一 且其可以標示在第一設備的外觀上，或者以圖像 本 在第一設備中，但皆不限制於此。 i化存 一般來說，條碼可以標出物品的生產國、製迕廠々、 商品名稱、生產曰期與產品類別等相關訊息，因^在:口 流通、圖書管理、郵政管理、銀行系統等許多領域都 了廣泛的應用。也亦因如此，本實施例利用條碑的方弋以 標出第一設備的某些設備訊息，例如名稱、型梦' &、 援的所有連線技術、連線密碼...等，但皆不限制於匕‘ 在步驟S103之後，則先開啟第二設備所内連線 應用程式（步驟S105 ) ’接著再啟動第二設備的攝像裝置'， 例如網路攝影機（Webcam ’但並不限制於此）^拍'"攝第 一設備所呈現的條碼（步驟S107)。隨後，再藉由第二: 備所内建之已被開啟的連線應用程式來分析此‘碼， 獲得一分析結果（步驟S109)。於此’在步驟Si〇9中所 獲得的分析結果至少包含第一設備所支援的所有連線技術 (例如 WiFi、藍芽、紅外線、Zigbee、Z-waVe、Wimax、 LTE、2.5G、3G等連線技術，但皆不限制於此）與第一設 備的連線密碼。當然，亦可包含第一設備的其他設備訊息 於其中。 緊接著’依據在步驟S109中所獲得的分析結果來比 對第一設備所支援的所有連線技術與第二設備所支援的所 201132212 PNAI-SW-0276-TWXX 33487twf.doc/n 有連線技術，藉關斷第-設備與帛二設備是否具有至少 -個共同連線技術（步驟Slll)。於本實施财，假設在 步驟S111巾判斷㈣—設備與第二設備未具有任何的此 同連線技摘話（亦即，，否”），m第一辦與第二ς 備建立連線（步驟si 13)，因為第一設備與第二設備間並 不具備有溝通的能力。 另一方面，假設在步驟Slu中判斷出第一設備與第 二設備具有至少一個共同連線技術的話（亦即，，是”），則 繼續判斷第一設備與第二設備是否具有多個共同連線技 術’亦即兩個或兩個以上的共同連線技術（步驟SU5)。 於本實施例中，假設在步驟S115中判斷出第一設備與第 二設備具有多個共同連線技術的話（亦即，，是”），則選擇 這些共同連線技術中具有最快傳輸速度的連線技術（但並 不限制於此，亦可選擇優先權（priority)較高的連線技術 或者預設（default)的連線技術）（步驟S117)，並且輸 入第一設備的連線密碼以致使第一設備與第二設備建立連 線（步驟S119)，從而使得第一設備與第二設備得以進行 資料傳輸（步驟S121) Γ 另一方面，假設在步驟S115中判斷出第一設備與第 一设備並不具有多個共同連線技術的話（亦即否），亦 即第一設備與第二設備僅具有一個衿同連線技術，則採用 這個共同連線技術，並且輸入第·-設備的連線密碼以致使 第一設備與第二設備建立連線（夕驟SU9)，從而使得第 —設備與第二設備得以進行資料傳输（步驟S121)。 201132212 PNAJ-SW-0276-TWX^ 33487twf.doc/n 上述實施例係以先開啟第二#Wimax, LTE, 2.5G and 3G connection technologies. The method for establishing a connection based on the above-mentioned 'the present invention is mainly for the purpose of realizing a fast connection between devices by using a splicing-connection application. In this way, the old weak women who are not very good at setting the connection can loosen the connection slaves quickly, so as to increase the convenience of use and shorten the time of setting.曰 It should be understood that the above-mentioned general description and the following specific embodiments are merely exemplary and non-exclusive, and they are not intended to be within the scope of this (4). [Embodiment] An exemplary embodiment of the present invention will now be described in the accompanying drawings, and an example of an exemplary embodiment will be described. In addition, wherever possible, the same reference numerals in the FIGS. Figure 1A depicts a flow diagram of a method of establishing a connection that is not an embodiment of the present invention. Referring to FIG. 1A, the method for establishing a connection in this embodiment includes the following steps: First, a separate built-in application program (c〇nnecti〇n application program) to a device and a second device (steps) Sl〇1). In this embodiment, the first smashing and the second device may be electronic products such as a computer, a digital phase frame, an e-book, a mobile phone, a television, and a screen, but are not limited thereto. Then 'when the first device and the second device want to establish a connection for data transmission, one of the first device and the second device is caused (for example, the device -201132212 PNA1-SW-0276-TWXX 33487twf.doc/n For illustration, a bar code is presented (step S103). The bar code described in step S103 may be a one-dimensional bar code (1 is a barC()d two-dimensional bar code (2D barcode), or even a three-dimensional bar code (3Db# e, one And it can be marked on the appearance of the first device, or in the first device, but not limited to this. i Generally, the bar code can mark the country of manufacture of the article, the factory Relevant information such as product name, production period and product category are widely used in many fields such as: oral circulation, book management, postal management, banking system, etc. For this reason, this embodiment utilizes Fang Wei to mark some device information of the first device, such as name, dream, & all connection technology, connection password, etc., but not limited to 匕' after step S103, Then open the connection application in the second device first. (step S105) 'and then restart the camera device of the second device', such as a webcam (Webcam 'but but not limited to this') to take a picture of the barcode presented by the first device (step S107). And analyzing the 'code by the second connected application built in the standby device to obtain an analysis result (step S109). The analysis result obtained in the step Si〇9 is at least Includes all connection technologies supported by the first device (such as WiFi, Bluetooth, Infrared, Zigbee, Z-waVe, Wimax, LTE, 2.5G, 3G, etc., but not limited to this) and the first device Connection password. Of course, other device information of the first device may be included therein. Then, according to the analysis result obtained in step S109, all the connection technologies and the second device supported by the first device are compared. Supported 201132212 PNAI-SW-0276-TWXX 33487twf.doc/n has connection technology, by shutting down the first device and the second device have at least one common connection technology (step Sl11). , suppose the judgment in step S111 (four) The device and the second device do not have any such technical disconnection (ie, no), and the first device establishes a connection with the second device (step si 13) because the first device and the second device The device does not have the ability to communicate. On the other hand, if it is determined in step Slu that the first device and the second device have at least one common connection technology (ie, yes), then the first judgment is continued. Whether the device and the second device have multiple common connection technologies', that is, two or more common connection technologies (step SU5). In this embodiment, if it is determined in step S115 that the first device and the second device have multiple common connection technologies (ie, yes), the fastest transmission speed among the common connection technologies is selected. Connection technology (but not limited to this, it is also possible to select a connection technology with a higher priority or a default connection technology) (step S117), and input the connection of the first device. The password is such that the first device establishes a connection with the second device (step S119), so that the first device and the second device can perform data transmission (step S121). On the other hand, it is assumed that the first device is determined in step S115. If the first device does not have multiple common connection technologies (ie, no), that is, the first device and the second device have only one connection technology, the common connection technology is adopted, and the first input is adopted. The connection password of the device is such that the first device establishes a connection with the second device (the evening SU9), so that the first device and the second device can perform data transmission (step S121). 201132212 PNAJ-SW-0276 -TW X^ 33487twf.doc/n The above embodiment is to first open the second #
『備的攝像裝置來拍攝;SCI -後再執 更清楚來說，圖iB繪示為本發明另—實施例 21=1=，：請合併參照圖]A與圖1b，圖1b之 建立連，.泉的方法係類似於圖】A之建立連 同之處僅在於：圖1b之建立連線的方法係先啟動第^ 備的攝像裝置來拍攝第—設備所呈現之條碼後，再=第又 二:::建:ί線應用程式以對所拍攝的條碼進行分析 (亦即先執付驟⑽後魏行倾s 驟皆與圖1a_，故而在此並不再加以贅述之。〆 除此之外，前述實施將連線應 設備與第二設備，但是本發明並不限制於此，建在々 更=楚來說，圖2繪示為本發明又—實施例之建立連 圖本貫施例之建立連線的方 ' 乂驟·首先，放置一套連線應用程式至一網户 網路f如⑽）（步驟咖）。接著，當第-設備與第I 二備奴建立連線以進行資料傳輸時，致使第—設備與第二 之ίτ (例如第—設備以便於以下說明）呈現一條碼 (barcode)(步驟 S2〇3)。 方；本貫施例中，第一設備與第二設備可以是電腦、數 位相框 '電子書、手機、電視與螢幕等電子產品，但皆不 限制於此’且皆具備有連上網際網路的能力。料，於步 201132212 PNAI-SW-0276-TWXX 33487twf.doc/n 驟S203中所述的條碼可以為一維條碼（丨D匕虹⑺如）、二 維條碼（2Dbarc〇de)，甚至是三維條碼（3Dbarc〇de)， 且其可以標示在第一設備的外觀上，或者以圖像方式儲存 在第一設備中’但皆不限制於此。於此，本實施例與前述 貫施例相似地利用條碼的方式以標出第一設備的某些設備 訊息，例如名稱、型號、所能支援的所有連線技術、連線 密碼…等，但皆不限制於此。 在步驟S203之後，則先啟動第二設備的攝像裝置， 例如網路攝影機（Webcam ’但並不限制於此）以拍攝第 一設備所呈現的條碼（步驟S205)，接著再將所拍攝的條 碼上傳至網際網路（步驟S207)。隨後，再開啟放置在網 際網路的連線應用程式（步驟S209)，以對所上傳之條碼 進行分析’從而獲得一分析結果（步驟S211)。於此，在 步驟S211中所獲得的分析結果至少包含第一設備所支援 的所有連線技術（例如WiFi、藍芽、紅外線、、 Z-wave、Wimax、LTE、2.5G、3G等連線技術，但皆不限 制於此）與第一設備.的連線密碼。當然，亦可包含第一設 備的其他設備訊息於其中。 緊接著，依據在步驟S211中所獲得的分析結果來比 對第一設備所支援的所有連線技術與第二設備所支援的所 有連線技術，藉以判斷第一設備與第二設備是否具有至少 —個共同連線技術（步驟S213)。於本實施例中，假設在 步驟S213中判斷出第一設備與第二設備未具有任何的共 同連線技術的話（亦即”否”），則致使第一設備與第二設 201132212 PNAL-SW-0276-TWXX 33487t\vf.doc/n 備利用網際網路進行資料傳輸（步驟S215)，因為第--設 備與第二設備間並不具備有溝通的能力’所以需要網際網 路來做為他們之間溝通的橋樑。 相似地，假設在步驟S213中判斷出第一設備與第二 設備具有至少一個共同連線技術的話（亦即”是”），則繼 續判斷第一設備與第二設備是否具有多個共同連線技術， 亦即兩個或兩個以上的共同連線技術（步驟S217)。於本 實施例中，假設在步驟S217中判斷出第一設備與第二設 備具有多個共同連線技術的話（亦即”是”），則選擇這些 共同連線技術中具有最快傳輸速度的連線技術（但並不限 制於此，亦可選擇優先權（priority)較高的連線技術或者 預設（default)的連線技術）（步驟S219)，並且輸入第 一設備的連線密碼以致使第一設備與第二設備建立連線 (步驟S221.)，從而使得第一設備與第二設備得以進行資 料傳輸（步驟S223 )。 另一方面，假設在步驟S217中判斷出第一設備與第 二設備並不具有多個共同連線技術的話（亦即”否”），亦 即第一設備與第二設備僅具有一個共同連線技術，則採用 這個共同連線技術，並且輸入第一設備的連線密碼以致使 第一設備與第二設備建立連線（步驟S221)，從而使得第 一設備與第二設備得以進行資料傳輸（步驟S223 )。 於此值得一提的是，雖然上述實施例係以兩設備建立 連線以進行資料傳輸為例來進行說明，但是本發明並不限 制於此。更清楚來說，在本發明其他實施例中，只要是兩 10 201132212 PNAI-SW-0276-TWXX 33487twf.doc/n"Prepared camera device to shoot; SCI - later to clear more clearly, Figure iB is shown as another embodiment of the present invention = 21 =,: Please merge with reference to Figure A and Figure 1b, Figure 1b The method of the spring is similar to the diagram. The establishment of A is only in conjunction with the fact that the method of establishing the connection in Fig. 1b is to start the camera device of the first device to capture the bar code presented by the device, then = Another two:::Build: ί line application to analyze the barcodes taken (that is, after the first step (10), the Wei sings are all related to Figure 1a_, so it will not be repeated here. In addition, the foregoing implementation will connect the device to the second device, but the present invention is not limited thereto, and is shown in FIG. 2, which is a further embodiment of the present invention. Through the example of establishing a connection's step', first, place a set of connected applications to a network (such as (10)) (step coffee). Then, when the first device establishes a connection with the first two slaves for data transmission, causing the first device and the second device (for example, the first device to facilitate the following description) to present a barcode (step S2〇) 3). In the present embodiment, the first device and the second device may be computers, digital photo frames, e-books, mobile phones, televisions, and screens, but are not limited to these and have Internet access. Ability. Material, in step 201132212 PNAI-SW-0276-TWXX 33487twf.doc/n The barcode described in step S203 can be a one-dimensional barcode (丨D匕虹(7)如), a two-dimensional barcode (2Dbarc〇de), or even three-dimensional Bar code (3Dbarc〇de), and it can be marked on the appearance of the first device, or stored in the first device as an image 'but not limited to this. Herein, the present embodiment uses a barcode method similarly to the foregoing embodiment to mark certain device information of the first device, such as a name, a model, all connection technologies that can be supported, a connection password, etc., but None of them are limited to this. After step S203, the camera device of the second device, such as a webcam (but not limited to this), is first used to capture the barcode presented by the first device (step S205), and then the captured barcode is taken. Uploaded to the Internet (step S207). Then, the connection application placed on the Internet is opened (step S209) to analyze the uploaded barcode' to obtain an analysis result (step S211). Here, the analysis result obtained in step S211 includes at least all connection technologies supported by the first device (for example, WiFi, Bluetooth, infrared, Z-wave, Wimax, LTE, 2.5G, 3G, etc.) , but not limited to this) The connection password with the first device. Of course, other device information of the first device may also be included. Then, according to the analysis result obtained in step S211, all connection technologies supported by the first device and all connection technologies supported by the second device are compared to determine whether the first device and the second device have at least A common connection technique (step S213). In this embodiment, if it is determined in step S213 that the first device and the second device do not have any common connection technology (ie, "No"), the first device and the second device 201132212 PNAL-SW are caused. -0276-TWXX 33487t\vf.doc/n The use of the Internet for data transmission (step S215), because the first device and the second device do not have the ability to communicate 'so the Internet needs to be A bridge of communication between them. Similarly, if it is determined in step S213 that the first device and the second device have at least one common connection technology (ie, YES), it is further determined whether the first device and the second device have multiple common connections. Technology, that is, two or more common connection technologies (step S217). In this embodiment, if it is determined in step S217 that the first device and the second device have multiple common connection technologies (ie, YES), then the fastest transmission speed among the common connection technologies is selected. Connection technology (but not limited to this, it is also possible to select a connection technology with a higher priority or a default connection technology) (step S219), and input the connection password of the first device. So that the first device establishes a connection with the second device (step S221.), so that the first device and the second device can perform data transmission (step S223). On the other hand, if it is determined in step S217 that the first device and the second device do not have multiple common connection technologies (ie, "No"), that is, the first device and the second device have only one co-connection. The line technology adopts the common connection technology, and inputs the connection password of the first device to cause the first device to establish a connection with the second device (step S221), so that the first device and the second device can perform data transmission. (Step S223). It is to be noted that although the above embodiment is described by taking a connection between two devices for data transmission, the present invention is not limited thereto. More specifically, in other embodiments of the present invention, as long as it is two 10 201132212 PNAI-SW-0276-TWXX 33487twf.doc/n
Si利=線的話，即可透過某-方設備以對另-方 汉備進订墟或者槽案管理，但皆不 于另方 形的實施方式亦屬本發明所欲保護的範嘴之_。’而该荨變 綜上所述，本發明所提出之建立連_ = 需要:立連線時’先利用該兩設 采壬現條碼，接者，再利用該兩設備之另 (，如Webcam)來拍攝條石馬；隨後，再利 用 可内建在設備中或者放置在網際網路)以對== ，碼進行分析’藉以取得建立設備連線所需的訊息 完成連線設定。如此一來，本^ 、、 『Η使得對連線設定』 線設定’藉以增加使用上的便利性與縮短設 雖然本發明已以實施例揭露如上，然其並非用以限定 本發明’任何所屬技術領域中具有通常知識者，在不脫離 本發明之精神和範圍内’當可作些許之更動與潤飾（例如 各實施例中所述之各步驟的先後順序可依實際設計需求而 做相對應地改變’只要維持與各實施例所欲達成之技術功 效為主）’故本發明之保護範圍當視後附之申請專利範圍 所界定者為準。 201132212 PNA1-SW-0276-TWXX 33487uvf.doc/n 【圖式簡單說明】 圖1A繪示為本發明一實施例之建立連線的方法流程 圖。 圖1B繪示為本發明另一實施例之建立連線的方法流 程圖。 圖2繪示為本發明又一實施例之建立連線的方法流程 圖。 【主要元件符號說明】 鲁 S101〜S121、S201〜S223 :本發明之建立連線的方法流 程圖各步驟If the Si-li=line is used, it can be used to manage the market or the slot management through the other device, but the implementation method that is not in the other form is also the fan mouth to be protected by the present invention. 'And the 荨 荨 , , , , 本 本 本 本 本 本 本 本 本 需要 需要 需要 需要 需要 需要 需要 需要 需要 需要 需要 需要 需要 需要 需要 需要 需要 需要 需要 需要 需要 需要 需要 需要 需要 需要 需要 需要 需要 需要 需要 需要 需要 需要) to shoot a stone horse; then, the reuse can be built in the device or placed on the Internet to analyze the code ==, the code is used to complete the connection setting required to establish the device connection. In this way, the present invention has been set up to increase the convenience and shortening of the use. Although the present invention has been disclosed in the above embodiments, it is not intended to limit the invention. Those skilled in the art will be able to make some changes and refinements without departing from the spirit and scope of the invention (for example, the sequence of steps described in the embodiments may be adapted to actual design requirements. The scope of the invention is defined by the scope of the appended claims. 201132212 PNA1-SW-0276-TWXX 33487uvf.doc/n [Simple Description of the Drawings] FIG. 1A is a flow chart showing a method of establishing a connection according to an embodiment of the present invention. FIG. 1B is a flow chart showing a method of establishing a connection according to another embodiment of the present invention. 2 is a flow chart showing a method for establishing a connection according to still another embodiment of the present invention. [Description of main component symbols] Lu S101~S121, S201~S223: steps of the method of establishing the connection method of the present invention
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