、新型說明： 【新型所屬之技術領域】 本新型是有關於一種天線，特別是指一種超寬頻天線 【先前技術】 參閱圖1，是美國專利公告第6 861 986號的一種習知 的雙頻天線。 雙頻天線包含一包括一橫向（±χ方向）的邊緣U的接 地元件G，一位於橫向邊緣i i外側的饋入部i 2、一第一輻 射煮13、一第二輕射臂14及一短路臂15。 饋入部12用以電連接於一同軸電纜線16的内導體161 ，同軸電纜線16的一外導體162則電連接於接地元件^。 第一及第二輻射臂13、14分別從饋入部12彼此遠離 地分別朝±X方向延伸而出。 紐路臂15呈倒L形並位於第一輻射臂13及接地元件 G的邊緣11之間，且電連接饋入部12及接地元件G的邊 緣11 〇 由於習知的雙頻天線可以參考上述公告號的美國專利 而得知詳細的設計及操作方式，故其餘細節於此不再贅述 種習知的雙頻天線的缺點就是：僅為雙頻帶操作（ 2·4〜2·5/5·15~5·825 GHZ)，無法滿足寬頻帶（例如 2·3〜2.7/3.3〜3.8/5.15〜5.85 GHz)的通訊系統的需求。 【新型内容】 因此，本新型之目的，即在提供—種超寬頻天線 於是，本新型超寬頻天線包含—開槽導電片體。The present invention relates to an antenna, and more particularly to an ultra-wideband antenna. [Prior Art] Referring to Figure 1, a conventional dual band of U.S. Patent No. 6,861,986 antenna. The dual-frequency antenna comprises a grounding element G comprising a lateral (±χ direction) edge U, a feeding portion i located outside the lateral edge ii 2, a first radiation cooker 13, a second light arm 14 and a short circuit Arm 15. The feeding portion 12 is electrically connected to the inner conductor 161 of a coaxial cable 16, and an outer conductor 162 of the coaxial cable 16 is electrically connected to the grounding member. The first and second radiating arms 13, 14 extend from the feeding portions 12 away from each other in the ±X direction, respectively. The Newway arm 15 is inverted L-shaped and located between the first radiating arm 13 and the edge 11 of the grounding element G, and electrically connects the feeding portion 12 and the edge 11 of the grounding element G. As a conventional dual-frequency antenna, reference may be made to the above announcement. The detailed design and operation mode of the U.S. patent is known, and the remaining details are not described here. The disadvantages of the conventional dual-frequency antenna are: dual-band operation only (2·4~2·5/5·15) ~5·825 GHZ), can not meet the needs of communication systems with wide frequency bands (eg 2·3~2.7/3.3~3.8/5.15~5.85 GHz). [New content] Therefore, the purpose of the present invention is to provide an ultra-wideband antenna. Thus, the novel ultra-wideband antenna includes a slotted conductive sheet.
開槽導電片體包括-長條狀的接地部、_ A 實質地呈u形的第一刪、一實質地呈L形的第二: 臂，及一實質地呈倒L形的短路臂。 輻射 接地部具有一實質地朝一第一方向及一 的長邊緣，且該第一及第二方向互為反向。'向延伸 頻二部間隔地鄰近接地部的長邊緣’一傳遞—射 第-轄射臂實質地…’並自饋入部朝第—方向延 2而出且具有一狹縫。第一輕射臂用以產生—第—共振模 第二輕射臂實質地呈’並自饋入部朝第二方向延 伸-距離，再朝遠離長邊緣方向延伸一距離。第二輻射臂 用以產生一第二共振模態。 短路臂實質地呈倒1^形，位於第二輻射臂的第二方向 :二自第二轄射臂朝第二方向延伸-距離再朝接近長邊 緣方向延伸且電連接於接地部。短路臂用以產生丘 振模態。 並且，第一至第三共振模態分別涵蓋的一第一至第三 頻帶彼此相鄰，以共同組成一超寬頻的頻帶。 - 而本新型之第二目的，即在提供—種無線通訊裝置。 /是，本新型無線通訊裝置，包含—系統電路、一饋 電凡件及上述的該超寬頻天線。The slotted conductive sheet body includes a strip-shaped land portion, a first substantially U-shaped cut, a substantially L-shaped second arm, and a substantially inverted L-shaped short arm. The radiating ground portion has a long edge that substantially faces a first direction and a first direction, and the first and second directions are opposite to each other. The transmission to the long edge of the ground portion at intervals is transmitted to the first edge of the ground portion and is extended from the feed portion toward the first direction and has a slit. The first light arm is used to generate a -first resonant mode. The second light projecting arm is substantially 'and extends from the feed portion toward the second direction - and then extends a distance away from the long edge. The second radiating arm is for generating a second resonant mode. The shorting arm is substantially inverted, in a second direction of the second radiating arm: two extending from the second arm toward the second direction - the distance extending further toward the long edge and electrically connected to the ground. The shorting arm is used to create a hill mode. And, the first to third frequency bands respectively covered by the first to third resonance modes are adjacent to each other to collectively constitute an ultra-wideband frequency band. - The second object of the present invention is to provide a wireless communication device. / Yes, the novel wireless communication device comprises a system circuit, a feed device and the above-mentioned ultra-wideband antenna.
頻訊號，並包括—電連接接地部的第—饋電部 接饋入部的第二饋電部。 本新型之功效在於：經由 臂及短路臂三者所產生的第一 經由組合第—輻射臂、第二轉射 第一至第三頻帶，而產生超寬頻 的頻帶。 【實施方式】 有關本新型之前述及其他技術内容、特點與功效，在 X下配a參考圖式之五個較佳實施例的詳細說明中，將可 清楚的呈現。 在本新型被詳細描述之前，要注意的是，在以下的說 明内容中，類似的元件是以相同的編號來表示。 參閱圖2及圖3，本新型超寬頻天線之第一較佳實施例 包含一基板s、一開槽導電片體^及一饋電元件w。 基板S包括一表面S1，且開槽導電片體c是設置於基 開槽導電片體C包括一長條狀的接地部2、一饋入部^ 、一實質地呈U形的第一輻射臂4、一實質地呈l形的第 二輻射臂5 ’及一實質地呈倒l形的短路臂6。 接地部2具有一實質地朝第一及一第二方向延伸的長 邊緣21 ’且該第一及第二方向互為反向。 饋入部3間隔地鄰近接地部2的長邊緣Μ，並用以傳 遞一射頻訊號。 第一輻射臂4間隔地與接地部2於Y方向重疊，並自 M435742 饋入部3朝第一方向（χ方向）延伸而出並具有一狹縫4〇 ，較佳地，該狹縫40於γ方向的寬度介於〇 mm之間 。第一輻射臂4用以產生一第一共振模態ml。 第一輻射臂4具有一自饋入部3朝第一方向延伸一距 離L1的第一槽壁段41、一自第一槽壁段41朝遠離長邊緣 21方向延伸一距離L2的槽底段42，及一自槽底段朝第 二向延伸一距離L3的第二槽壁段43，且第一槽壁段41及 槽底段42兩者的長度和實質地等於第二槽壁段43的長产 L3=L1+L2,第一槽壁段41垂直於第一及第二方向的縱向（ Y方向）寬度D1是第二槽壁段43的縱向寬度〇2的三倍。 第二輻射臂5間隔地與接地部2於γ方向重疊並自 饋入部3朝第二方向延伸—距離，再朝遠離長邊緣21方向 延伸-距離。第二輻射臂5用以產生一第二共振模態瓜2。 第二輻射臂5具有一朝第一及第二方向延伸並電連接 饋入部3的橫輻射段51 ’及一實質地垂直橫輻射段51，並 電連接仏賴射段51及短路臂6的縱輕射段52，且橫輻射段 51的縱向寬度D3實質地等於第一輻射臂4的第一'槽壁段# 41的縱向寬度D1的兩倍’並且，經由調整縱向寬度⑴就 能改變橫輻射段51與接地部2相間隔的距離而調整該超寬 頻天線的阻抗匹配。 短路臂6位於第二輻射臂5的第二方向側，並自第二 賴射臂5朝第二方向延伸—距離再朝接近長邊緣21方向直 線或彎曲地延料電連接於接地部2。短路f 6用以產生一 第二共振模態m3。 6 M435742 第二輕射臂5、短路臂6及接地部2三者共同界定出— 實質地為L形的並具有-朝第-方向開口 81的L槽縫8。 值得注意的是’開槽導電片體C可以用印刷的方式形 成於基板S上、以裁切—金屬片形成、以導電軟板的金屬 層製成’甚至以導電材料聚集於一殼體（圖未示）的一表 面上等方式形成’總結的來說，開槽導電片體C只要能維 持實貝相同的形狀且可導電即可，無需限制只能為板、片 、薄膜等的其中—者，而可視產品的需求選擇不同的形成 方式，並且也不需限制為呈-平面的片狀。 饋電元件W用以與饋人部3互相傳輪射頻訊號，且包 括一電連接接地部2的第—饋電部W1，及—電連接饋入部 3的第二饋電部W2。舉例來說，但不以此為限，饋電元件 W可以是五十歐姆的同軸錢線或是微帶線（Wstrip line)等射頻兀件的型式，當饋電元件w是同軸電纜線時， 第一饋電部W1是外導體，第二饋電部W2是内導體。 參閱圖3,當第—較佳實施例的超寬頻天線共振時，第 一輕射臂4用以產生_涵蓋—第—頻帶（23〜27 g叫的 第-共振模態ml，第二輻射臂5用以產生一涵蓋一第二頻 帶（5.15 5.85 GHz)的第二共振模態m2，且短路臂6用以 產生-涵蓋-第三頻帶（3 3~3 8 GHz)的第三共振模態Μ ，並且，第一至第三共振模態分別涵蓋的第一至第三頻帶 彼此相鄰，以共同組成—超寬頻（頻寬大於1GG%)的頻帶 參閱表1’第-較佳實施例的超寬頻天線不但具有如圖 7 M435742 3所示的超寬頻（>100%)的阻抗頻寬，且第一至第三頻帶 内還具有良好（>40%)的輻射效率。 表1 : 頻率（MHz) 輻射效率（％ ) 2305 51 2395 49 2501 50 2550 54 2600 55 2650 48 2700 46 3300 41 3405 48 3500 48 3595 50 3700 49 3800 48 5150 41 5250 41 5350 43 5470 42 5725 41 5850 40 參閱圖4，本新型超寬頻天線之第二較佳實施例與第一 M435742 較佳實施例近似，差異在於：基板s的表 叫^不為一平面 ’而是呈弧形。 參閱圖5’本新型超寬頻天線之第三較佳實施例與第— 較佳實施例近似，差異在於：第二槽壁段43是呈蜿蜒狀。 ▲參閱圖6,本新型超寬頻天線之第四較佳實施例與第— 較佳實施例近似，差異在於：橫輻射段51的縱向寬度 與第一槽壁段41的縱向寬度D1兩者實質地相等。 參閱圖7’本新型無線通訊裝置之較佳實施例包含系統 電路9、一個上述較佳實施例的超寬頻天線1〇，及設置於 系·先電路9及超寬頻天線1G之間以傳遞射頻訊號的饋電元 件W。饋電元件w與超寬頻天線1〇的連接方式可以參考 圖2中的說明。 / 無線通訊裝置的較佳實施例於此是一台筆記型電腦， 但並不以此為限，也可以是平板電腦或是其它可内藏上述 較仏實細例之超寬頻天線1 〇的其它種裝置。 ， 综上所述，第一輻射臂4、第二輻射臂5、及短路臂6 三者相配合且分別共振出寬頻且相鄰的第一至第三模態 ml〜m3，而組成超大頻寬（見圖3)，故確實能達成本新型 之目的。 准以上所述者，僅為本新型之較佳實施例而已，當不 此以此:限疋本新型實施之範圍，即大凡依本新型申請專利 範圍及新型說明内容所作之簡單的等效變化與修飾，皆仍 屬本新型專利涵蓋之範圍内。 【圖式簡單說明】 9 & —種習知雙頻天線的示意圖； 圖 2 19 — 疋一立體圖’說明本新型超寬頻天線之第一較佳 實施例； 圖3是一電壓駐波比圖，說明第一較佳實施例的超寬 頻天線的電壓駐波比； 圖4 一立體圖，說明本新型超寬頻天線之第二較佳實 施例； 圖5 —立體圖，說明本新型超寬頻天線之第三較佳實 施例； 圖6 —立體圖，說明本新型超寬頻天線之第四較佳實 施例；及 圖7 一立體圖，說明本新型無線通訊裝置之較佳實施 例0 10 M435742The frequency signal includes: a first feeding portion electrically connected to the grounding portion and a second feeding portion connected to the feeding portion. The effect of the present invention is to generate an ultra-wideband frequency band by combining the first radiating arm and the second transmitting first to third frequency bands generated by the arm and the shorting arm. [Embodiment] The foregoing and other technical contents, features, and effects of the present invention will be apparent from the detailed description of the preferred embodiments of the present invention. Before the present invention is described in detail, it is noted that in the following description, similar elements are denoted by the same reference numerals. Referring to Figures 2 and 3, a first preferred embodiment of the novel ultra-wideband antenna includes a substrate s, a slotted conductive body, and a feed element w. The substrate S includes a surface S1, and the slotted conductive sheet c is disposed on the base slotted conductive sheet C. The base strip includes a strip-shaped ground portion 2, a feed portion, and a substantially U-shaped first radiating arm. 4. A second radiating arm 5' which is substantially l-shaped and a short-circuiting arm 6 which is substantially inverted l-shaped. The ground portion 2 has a long edge 21' extending substantially in the first and second directions, and the first and second directions are opposite to each other. The feed portion 3 is spaced adjacent to the long edge of the ground portion 2 and is used to transmit an RF signal. The first radiating arm 4 overlaps the grounding portion 2 in the Y direction at intervals, and extends from the M435742 feeding portion 3 in the first direction (χ direction) and has a slit 4〇. Preferably, the slit 40 is The width in the gamma direction is between 〇mm. The first radiating arm 4 is used to generate a first resonant mode ml. The first radiating arm 4 has a first slot wall section 41 extending from the feed portion 3 in the first direction by a distance L1, and a slot bottom section 42 extending from the first slot wall section 41 away from the long edge 21 by a distance L2. And a second slot wall section 43 extending from the bottom section of the slot toward the second direction by a distance L3, and the length of both the first slot wall section 41 and the slot bottom section 42 is substantially equal to that of the second slot wall section 43 The long product L3 = L1 + L2, the longitudinal (Y direction) width D1 of the first groove wall section 41 perpendicular to the first and second directions is three times the longitudinal width 〇2 of the second groove wall section 43. The second radiating arms 5 are spaced apart from the grounding portion 2 in the γ direction and extend from the feeding portion 3 in the second direction by a distance, and then extend away from the long edge 21 by a distance. The second radiating arm 5 is used to generate a second resonant mode melon 2. The second radiating arm 5 has a transverse radiating section 51' extending in the first and second directions and electrically connected to the feeding portion 3, and a substantially vertical transverse radiating section 51 electrically connected to the radiating section 51 and the short-circuiting arm 6. The longitudinal section 52, and the longitudinal width D3 of the transverse radiating section 51 is substantially equal to twice the longitudinal width D1 of the first 'slot wall section #41 of the first radiating arm 4' and can be changed by adjusting the longitudinal width (1) The impedance of the ultra-wideband antenna is adjusted by the distance between the horizontal radiating section 51 and the grounding portion 2. The shorting arm 6 is located on the second direction side of the second radiating arm 5 and extends from the second reflecting arm 5 in the second direction - the distance is further electrically connected to the ground portion 2 in a direction straight or curved toward the long edge 21. The short circuit f 6 is used to generate a second resonant mode m3. 6 M435742 The second light arm 5, the short arm 6 and the ground portion 2 collectively define an L slot 8 which is substantially L-shaped and has an opening 81 in the first direction. It is worth noting that 'the slotted conductive sheet C can be formed on the substrate S by printing, cut-to-metal sheet, made of a metal layer of a conductive soft board' or even gathered in a casing with a conductive material ( In a summary manner, the slotted conductive sheet C can be electrically conductive as long as it can maintain the same shape of the solid shell, and there is no need to limit it to only a plate, a sheet, a film, or the like. - However, depending on the needs of the product, different formation methods are selected, and it is not necessary to be limited to a sheet-like plane. The feed element W is used to transmit the RF signal to the feed unit 3, and includes a first feed portion W1 electrically connected to the ground portion 2, and a second feed portion W2 electrically connected to the feed portion 3. For example, but not limited to, the feeding element W may be a 50 ohm coaxial money line or a type of RF component such as a Wstrip line. When the feeding element w is a coaxial cable. The first power feeding portion W1 is an outer conductor, and the second power feeding portion W2 is an inner conductor. Referring to FIG. 3, when the ultra-wideband antenna of the first preferred embodiment resonates, the first light-emitting arm 4 is configured to generate a _covered-first frequency band (23-27 g called a first-resonance mode ml, second radiation) The arm 5 is configured to generate a second resonant mode m2 covering a second frequency band (5.15 5.85 GHz), and the shorting arm 6 is used to generate a third resonant mode covering the third frequency band (3 3~3 8 GHz) State, and the first to third frequency bands respectively covered by the first to third resonance modes are adjacent to each other to form a frequency band of ultra-wideband (bandwidth greater than 1 GG%), see Table 1 'First-Preferred Embodiment The ultra-wideband antenna of the example not only has an ultra-wideband (>100%) impedance bandwidth as shown in Fig. 7 M435742, but also has a good (>40%) radiation efficiency in the first to third bands. 1 : Frequency (MHz) Radiation efficiency (%) 2305 51 2395 49 2501 50 2550 54 2600 55 2650 48 2700 46 3300 41 3405 48 3500 48 3595 50 3700 49 3800 48 5150 41 5250 41 5350 43 5470 42 5725 41 5850 40 4, a second preferred embodiment of the novel ultra-wideband antenna is similar to the preferred embodiment of the first M435742 The difference is that the surface of the substrate s is not a plane but is curved. Referring to Figure 5, the third preferred embodiment of the novel ultra-wideband antenna is similar to the first preferred embodiment, with the difference that: The slot wall section 43 is in the shape of a beak. ▲ Referring to Figure 6, the fourth preferred embodiment of the novel ultra-wideband antenna is similar to the first preferred embodiment except that the longitudinal width of the transverse radiating section 51 is the first slot. The longitudinal width D1 of the wall segment 41 is substantially equal. Referring to Figure 7', a preferred embodiment of the wireless communication device of the present invention comprises a system circuit 9, an ultra-wideband antenna 1〇 of the above preferred embodiment, and a system The feeding element W for transmitting the RF signal between the first circuit 9 and the ultra-wideband antenna 1G. The connection mode of the feeding element w and the ultra-wideband antenna 1〇 can be referred to the description in Fig. 2. / Preferred embodiment of the wireless communication device This is a notebook computer, but it is not limited to this. It can also be a tablet or other device that can contain the above-mentioned more compact ultra-wideband antenna 1 。. , the first radiating arm 4, the second radiating arm 5, The short-circuiting arm 6 cooperates and respectively resonates the broadband and the adjacent first to third modes ml~m3 to form an oversized bandwidth (see Fig. 3), so that the purpose of the novel can be achieved. The present invention is only a preferred embodiment of the present invention, and is not limited thereto: it is limited to the scope of the present invention, that is, the simple equivalent change and modification made by the novel patent application scope and the novel description content, All remain within the scope of this new patent. BRIEF DESCRIPTION OF THE DRAWINGS [9] A schematic diagram of a conventional dual-frequency antenna; FIG. 2 19 - a perspective view illustrating a first preferred embodiment of the novel ultra-wideband antenna; FIG. 3 is a diagram of a voltage standing wave ratio The voltage standing wave ratio of the ultra-wideband antenna of the first preferred embodiment is illustrated; FIG. 4 is a perspective view showing a second preferred embodiment of the ultra-wideband antenna of the present invention; FIG. 5 is a perspective view showing the first ultra-wideband antenna of the present invention. FIG. 6 is a perspective view showing a fourth preferred embodiment of the present ultra-wideband antenna; and FIG. 7 is a perspective view showing a preferred embodiment of the novel wireless communication device 0 10 M435742
【主要元件符號說明】 G…… •…接地元件 43........ •第二槽壁段 11 ·.... ----邊緣 5 ......... •第二輻射臂 12·...· •…饋入部 51........ •橫輻射段 13 •… •…第一輻射臂 52........ •縱輪射段 14 •… •…第二輻射臂 6 ......... •短路臂 15••… •…短路臂 8 ......... • L槽縫 16·...· •…同軸電纜 81........ .開口 161… •…内導體 9 ......... •糸統笔路 162… •…外導體 91........ •收發端 S…… •…基板 10........ •超寬頻天線 S1…… —表面 w........ •饋電元件 C…… •…開槽導電片體 W1....... •第一饋電部 2…… •…接地部 W2....... •第二饋電部 21 ·.··· —長邊緣 L1-L3 ·· •長度 3…… …·饋入部 D1-D3·· •縱向寬度 4 ...... …·第一輻射臂 ml ....... •第一共振模態 40····. …·槽縫 m2....... •第二共振模態 41 ••… •…第一槽壁段 m3....... •第三共振模態 42···· •…槽底段 11[Description of main component symbols] G... •... Grounding element 43........ • Second groove wall section 11 ·.... ----Edge 5 ......... Second radiating arm 12·...·•...feeding portion 51.....•transverse radiating section 13 •... •...first radiating arm 52........ •longitudinal section 14 •... •...second radiating arm 6 ......... • shorting arm 15••... •...short arm 8 ......... • L slot 16·...· •...coaxial cable 81........open 161... •...inner conductor 9 ......... • 笔 笔 162... •...outer conductor 91....... • Transceiver S... •...Substrate 10........ • Ultra-wideband antenna S1... - Surface w........ • Feeder C... •...Slotted conductive sheet Body W1....... • First power feeding unit 2... •... Grounding part W2....... • Second power feeding unit 21 ····· — Long edge L1-L3 ·· • Length 3... ...·Feeding part D1-D3·· • Longitudinal width 4.........·First radiating arm ml....... • First resonant mode 40····. ...·Slot m2....... •Second resonance mode 41 ••... •...first groove wall segment m3....... • Third Resonance Mode 42···· •...Slot bottom section 11