201238145 四、指定代表圖： (一) 本案指定代表圖為：第（1)圖。 (二) 本代表圖之元件符號簡單說明： 11 :接地面 12 :系統電路板 13 :開口槽孔 131 :第一側邊 132 :第二側邊 133 :開口端 134 :閉口端 14 :微帶線 141 :饋入點 15 :第一支路 151 :第一支路之開口端 16 :第二支路 161 :第二支路之一區間 162 :第二支路之開口端 17 :電感元件 五、 本案若有化學式時，請揭示最能顯示發明特徵的化學式： 無。 六、 發明說明： 【發明所屬之技術領域】 201238145 本發日⑽為-種行動軌裝置，_是—種具有單極槽孔天 線之仃動似裝置，其操作_自朗7()4〜96()廳及丨谓〜删 MHz ° 【先前技術】 隨著订動通赠輸技術的演進，除了發展更多的通訊頻帶以 增加傳輸速度外，行動通訊裝置也在硬體上要求輕、薄、短、小 以及其内建天線可續系_地面上的其它元件整合 ，在現今人 ^吏用行動通訊裝置的便利性需求下，都是非常重點的設計要 求。在行動通訊裝置之相關内建天線設計中，使用單極槽孔天線 ‘或1槽孔天線為種可行設計，例如台灣專利公告號⑶5刪 “-種錢人多頻單極槽孔天線，，，所揭露之天線設計即是一例。 ’、、:·而為產生足夠的操作頻寬來涵蓋無線廣域網路 (WWAN, wireless wide area network)與長期演進技術(LTE，1〇ng term ev=之寬縣作，此鮮極軌天線—般只制舒個槽孔 、、、、。s ”振模態達成寬頻操作，或者搭配切換開關或匹配電路的 方式以改I共振域、至所需鮮。上述方法不論是在天線佔用電 路板的面積或產品製作成本上都有所增加，其纟、統電路板上相關 電路及錢線配置也會較複雜，目此關其實用性。 【發明内容】 為了解決上述先前技術之問題，本發明提供一種具有單極槽 孔天線之行麵訊裝置，其包含祕接電路板、槽孔天線及微帶 線系統接電路板具有接地面。開口槽孔之開口端位於接地面之 邊緣其閉口端朝向接地面之内部延伸，開口槽孔並具有第一側 4 201238145 邊及第二側邊’第—側邊及第二側邊分別位於開口端之二側。微 帶線具有馈人點、第_支路及第二支路，第—支路及第二支路互 ^連接’再連接至饋人點，第—支路於第—位置穿過開口槽孔之 側邊及第—側邊，使得第—支路之開口端與饋人點分別位於 開口槽孔之—側，第二支路於第二位置穿過開口槽孔之第一側 邊’使第二支路之—區間位於開口槽孔之内部，且區間朝向開口 匕孔之閉口端延伸’第二位置位於第-位置與開口槽孔之閉口端 =間’第—支路並具有至少—電感元件，電感猶可以為晶片電 Γ 置具有第—(低賴射酿第二(高頻) 知作頻r第-才桑作頻帶涵蓋約704〜960顧 涵蓋約。1710德舰，該行動通訊裝置可以達成· 0頻之#作。其巾關口槽孔由於操作在1/4波長共振模態，且印 I於介質基底上，使得該開σ槽孔之長度小於第—操作頻帶之最 =率之0.2倍波長，同時’該第—位置至該開口槽孔之開口端之 =離至少為該開口槽孔之α25倍長度，使得該槽孔天線之最低丑 振模態能夠被有效㈣，並且該第二支路於關口槽孔内部之^ 區，之長度至少為關π槽孔之αι倍長度，該饋人微帶線之該第 二支路之開π端並可位於該開口槽孔之内部或不在該開口槽孔之 =。該第二支路之存在使㈣開口槽孔_電場場量或等效磁 7破激發得更均勾，進而使得該最低共振模態能達成寬頻操 ’形成天線之第-操作頻帶，來涵蓋約7〇4〜96〇趣Ζ之操作。 ，外，第二支路並可以激發槽孔天線得到位於第二操作頻帶内之 氏頻共振模態，同時大致不影響第二操作頻帶之其它高頻妓振 201238145 模態之阻抗匹配，使得第；作頻帶能達絲絲作 1710〜2690 MHz之操作。 【實施方式】 第1圖為本發明之第—實施例之結構圖，包括接地面u、系 統電路板12、開口槽孔13及微帶線14。開口槽孔之開口端⑶ 位於接地面11之-邊緣，並且開口槽孔之閉口端134朝向接地面 11之内部延伸。開口槽孔之第一側邊131與開口槽孔之第二側邊 132位於開口槽孔13之兩侧。微帶線14之第一支路Μ與第二支 路16互相連接，再連接至饋入點14卜且第一支路之開口端⑸ 與饋入點141分別位於開口槽孔13之兩侧，微帶線14之第二支 路16穿過開口槽孔13之第—側邊131之位置位於第—支路15穿 過開口槽孔之第-側邊131之位置與開口槽孔之閉口端134之 間’且第二支路之一區間161位於開口槽孔13之内部並朝向開口 槽孔之閉口端134延伸’第二支路16並具有—電感元件17。 第2圖為-種具有傳統開口槽孔天線之行動通訊裝置之姓構 圖，包括接地面2卜系統電路板22、開口槽孔23及微帶線。 開口槽孔之開口端233位於接地面21之一邊緣，並且開口槽孔之 閉口端234朝向接地面21之内部延伸。開口槽孔之第一側邊別 與開口槽孔之第二侧邊232位於開口槽孔23之兩側。微帶線％ 之-端連接至饋人點24卜其另—端穿過開口槽孔23。 第3圖為本發明之第—實施例之開口航天賴擬返回 〇 ^ k擇下列尺寸進他擬：系統電路板長度i2約為Μ咖，寬度 201238145 約為60 mm，厚度約為α8随；接地面u係位於系統電路板η 上，開口槽孔13長度約為5G職，寬度約為4麵，其長度約為 第一操作頻帶之最低頻率(704随2)之012倍波長；第二支ς於開 口槽孔内部之區間之長度約為開口槽孔之倍長度。由模擬結 果，本發明之第-實施例在6dB返回損失的定義之下（行動通訊 裝置天線設計規範），其第一操作頻帶33可涵蓋 LTE700/GSM85_0之三頻操作，其第二操作頻帶之低頻共振模 態341由第二支路產生，與第一支路所產生之第二操作頻帶之高 頻共振模態342結合成為第二操作頻帶34，可涵蓋 讀麵/灣舰皿顶麵之五頻操作，因此該天線可 滿足LTE/WWAN八頻之操作需求目較之下，傳統開口槽孔天線 之第-操作頻帶31僅能涵蓋LTE的操作頻寬，其第二操作頻 帶僅能涵蓋UMTS/LTE23()()/LTE25(X)輯侧寬，—法達成 LTE/WWAN八頻之操作需求。 第4圖為本發明之第二實施例之結翻。第二實關與第一 實把例之主要差異在於第二支路46穿過開口槽孔之第二側邊 132，使得第二支路之開口端462不在槽孔天線的内部。第二實施 例之其他天線結構與第—實施助似，在此她結構下，第二實 施例亦可以具有與第一實施例相似之功效。 第5圖為本發明之第三實施例之結構圖。第三實施例與第一 實施例之主要差異在於第二支路56穿過開口槽孔之閉口端134， 且第一支路之開口端562不在槽孔天線的内部。第三實施例之其 他天線結構與第—實施例她，在此她結構下，第三實施例亦 201238145 可以具有與第一實施例相似之功效。 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所作之岣等 變化與修飾，皆應仍屬本發明專利涵蓋之範圍内。 【圖式簡單說明】 第1圖為本發明之第一實施例之結構圖。 第2圖為一種具有傳統開口槽孔天線之行動通訊裝置之結構圖 第3圖為本發明之第一實施例之開口槽孔天線模擬返回損失圖逝 傳統開口槽孔天線模擬返回損失圖之比較。 、·、 第4圖為本發明之第二實施例之結構圖。 第5圖為本發明之第三實施例之結構圖。 接地面 系統電路板 開口槽孔 第一側邊 第二側邊 開口端 閉口端 微帶線 饋入點 第一支路 第一支路之開口端 【主要元件符號說明】 11,21 12, 22 13,23 131.231 132.232 133.233 134.234 14, 24, 44, 54 141，241，441，541 15,45,55 151,451,551 201238145 16, 46, 56 161,461,561 162,462, 562 17 第二支路 第二支路之一區間 第二支路之開口端 電感元件 31 傳統開口槽孔天線之第一(低頻)操作頻帶 32 傳統開口槽孔天線之第二(高頻)操作頻帶 33 第一實施例之第一(低頻)操作頻帶 34 第一實施例之第二(高頻)操作頻帶 341 第一實施例之第二(高頻)操作頻帶之低頻 共振模態 342 :第一實施例之第二(高頻)操作頻帶之高頻 共振模態201238145 IV. Designated representative map: (1) The representative representative of the case is: (1). (2) A brief description of the component symbols of this representative diagram: 11: Ground plane 12: System board 13: Open slot 131: First side 132: Second side 133: Open end 134: Closed end 14: Microstrip Line 141: feed point 15: first branch 151: open end 16 of the first branch: second branch 161: one of the second branch 162: open end 17 of the second branch: inductive component five If there is a chemical formula in this case, please reveal the chemical formula that best shows the characteristics of the invention: None. VI. Description of the invention: [Technical field to which the invention pertains] 201238145 This is the day (10) is a kind of action rail device, _ is a kind of sway-like device with a monopole slot antenna, and its operation_自朗7()4~ 96() Hall and 丨 〜 删 删 删 删 删 删 【 【 【 【 【 【 【 【 【 【 【 【 【 【 【 【 【 【 【 【 【 【 【 【 【 【 【 【 【 【 【 【 【 【 【 【 Thin, short, small and its built-in antennas can be renewed _ other components on the ground integration, in today's people need to use the convenience of mobile communication devices, are very important design requirements. In the design of the built-in antenna of the mobile communication device, a single-pole slot antenna or a slot antenna is used as a feasible design. For example, the Taiwan Patent Publication No. (3) 5 deletes the multi-frequency single-pole slot antenna. The antenna design disclosed is an example. ',,: · To generate sufficient operating bandwidth to cover wireless wide area network (WWAN) and long-term evolution technology (LTE, 1〇ng term ev= Wide county, this fresh polar track antenna - generally only a slot, ,,, s "" mode to achieve wide-band operation, or with a switch or matching circuit to change the I resonance domain, to the required fresh The above method has an increase in the area occupied by the antenna occupied by the antenna or the manufacturing cost of the product, and the related circuit and the money line configuration on the circuit board of the circuit board are also complicated, so that the practicality thereof is obtained. In order to solve the above problems of the prior art, the present invention provides a line surface device having a monopole slot antenna, which comprises a secret circuit board, a slot antenna, and a microstrip line system board having a ground plane. The open end is located at the edge of the grounding surface, and the closed end thereof extends toward the inside of the grounding surface, and the opening slot has a first side 4 201238145 side and a second side 'the first side and the second side are respectively located at the open end The microstrip line has a feed point, a _ branch and a second branch, and the first branch and the second branch are connected to each other and connected to the feed point, and the first branch passes through the first position. The side edge and the first side of the open slot are such that the open end of the first branch and the feed point are respectively located on the side of the open slot, and the second branch passes through the first side of the open slot in the second position The edge of the second branch is located inside the open slot, and the section extends toward the closed end of the open bore. The second position is located at the first position and the closed end of the open slot = the 'first branch With at least the inductance component, the inductor can still have the first power of the wafer - (lower radiant brewing second (high frequency) known as frequency r - sang sang band covers about 704 ~ 960 Gu covers about. 1710 German ship The mobile communication device can achieve the 0 frequency. The towel slot is operated at 1/4 wavelength. a resonant mode, and printed on the dielectric substrate such that the length of the open σ slot is less than 0.2 times the wavelength of the most = of the first operating band, and the position of the first position to the open end of the open slot The distance is at least 25 times the length of the open slot, so that the lowest ugly mode of the slot antenna can be valid (4), and the second branch is at the inner portion of the slot, and the length is at least π slot The length of the aperture is αι times, and the opening π end of the second branch of the feeding microstrip line may be located inside the opening slot or not in the opening slot. The presence of the second branch makes the (four) opening The slot _ electric field field amount or the equivalent magnetic 7 break excitation is more evenly hooked, so that the lowest resonance mode can achieve the wide frequency operation 'to form the first operating band of the antenna, to cover about 7〇4~96 operating. And outside, the second branch can excite the slot antenna to obtain a resonant mode of the spur in the second operating band, while substantially not affecting the impedance matching of the other high frequency oscillating 201238145 modalities of the second operating band, such that The frequency band can be used for the operation of 1710~2690 MHz. [Embodiment] FIG. 1 is a structural view of a first embodiment of the present invention, including a ground plane u, a system board 12, an open slot 13 and a microstrip line 14. The open end (3) of the open slot is located at the edge of the ground plane 11 and the closed end 134 of the open slot extends toward the interior of the ground plane 11. The first side edge 131 of the open slot and the second side edge 132 of the open slot are located on opposite sides of the open slot 13. The first branch of the microstrip line 14 and the second branch 16 are connected to each other, and then connected to the feed point 14 and the open end (5) and the feed point 141 of the first branch are respectively located on both sides of the open slot 13 The second branch 16 of the microstrip line 14 passes through the first side 131 of the open slot 13 at a position where the first branch 15 passes through the first side 131 of the open slot and the closed slot of the open slot Between the ends 134' and one of the second branches 161 is located inside the open slot 13 and extends toward the closed end 134 of the open slot and has a second branch 16 and has an inductive component 17. Figure 2 is a surname structure of a mobile communication device having a conventional open slot antenna, including a ground plane 2, a system board 22, an open slot 23, and a microstrip line. The open end 233 of the open slot is located at one edge of the ground plane 21, and the closed end 234 of the open slot extends toward the interior of the ground plane 21. The first side of the open slot and the second side 232 of the open slot are located on either side of the open slot 23. The end of the microstrip line % is connected to the feed point 24 and the other end thereof passes through the open slot 23. Figure 3 is a perspective view of the first embodiment of the present invention. The following dimensions are selected: the length of the system board i2 is about Μ coffee, the width 201238145 is about 60 mm, and the thickness is about α8; The ground plane u is located on the system circuit board η. The open slot 13 has a length of about 5G and a width of about 4 planes, and the length is about 012 times the wavelength of the lowest frequency of the first operating band (704 with 2); The length of the section that supports the inside of the open slot is about the length of the open slot. From the simulation results, the first embodiment of the present invention is under the definition of 6dB return loss (telecom design antenna design specification), and its first operating band 33 can cover the tri-band operation of LTE700/GSM85_0, and its second operating band The low frequency resonant mode 341 is generated by the second branch and combined with the high frequency resonant mode 342 of the second operating band generated by the first branch to form a second operating band 34, which may cover the top surface of the reading/bay vessel Five-frequency operation, so the antenna can meet the operational requirements of LTE/WWAN eight-frequency. In contrast, the first operating band 31 of the traditional open slot antenna can only cover the operating bandwidth of LTE, and the second operating band can only cover The UMTS/LTE23()()/LTE25(X) side width is wide, and the method achieves the operational requirements of the LTE/WWAN eight-frequency. Figure 4 is a diagram of the second embodiment of the present invention. The main difference between the second actual and the first embodiment is that the second leg 46 passes through the second side 132 of the open slot such that the open end 462 of the second leg is not inside the slot antenna. The other antenna structure of the second embodiment is similar to the first embodiment. Under her structure, the second embodiment can also have similar effects as the first embodiment. Fig. 5 is a structural view showing a third embodiment of the present invention. The main difference between the third embodiment and the first embodiment is that the second branch 56 passes through the closed end 134 of the open slot and the open end 562 of the first branch is not inside the slot antenna. Other antenna structures of the third embodiment and the first embodiment, under her structure, the third embodiment 201238145 may have similar effects as the first embodiment. The above is only the preferred embodiment of the present invention, and is not intended to limit the scope of the present invention. That is, all changes and modifications made by the scope of the patent application of the present invention are still within the scope of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 is a structural view showing a first embodiment of the present invention. 2 is a structural diagram of a mobile communication device having a conventional open slot antenna. FIG. 3 is a comparison of an analog slot return antenna loss return diagram of an open slot antenna according to a first embodiment of the present invention. . 4 is a structural view of a second embodiment of the present invention. Fig. 5 is a structural view showing a third embodiment of the present invention. Ground plane system circuit board open slot first side second side open end closed end microstrip line feed point first branch first branch open end [main component symbol description] 11,21 12, 22 13 , 23 131.231 132.232 133.233 134.234 14, 24, 44, 54 141,241,441,541 15,45,55 151,451,551 201238145 16, 46, 56 161,461,561 162,462, 562 17 Second branch of the second branch Open-end inductive component of branch circuit (first) (low frequency) operating band of conventional open slot antenna 32 second (high frequency) operating band of conventional open slot antenna 33 First (low frequency) operating band 34 of the first embodiment Second (high frequency) operating band 341 of the first embodiment Low frequency resonant mode 342 of the second (high frequency) operating band of the first embodiment: high frequency of the second (high frequency) operating band of the first embodiment Resonance mode