200939562 九、發明說明： 【發明所屬之技術領域】 本發明係關於一種應用於無線網路之天線，詳言之，係關 於一種應用於全球衛星定位系統（G P S)之天線。 【先前技術】 ❹BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an antenna for use in a wireless network, and more particularly to an antenna for use in a Global Positioning System (G P S). [Prior Art] ❹
隨者無線通訊技術的蓬勃發展，各式多頻的通訊產品也如 雨後春筍般的出現’也因此無線通訊產品逐漸成為人類生活 中的邛77，幾乎所有的新產品都會具僙無線傳輸的功能， 以滿足大眾的需求’而筆記型電腦時常需要資料傳輸的動 作無線傳輪可以簡化其許多接線與設定上的困擾，而為達 成無線傳輸的目的，天線的配置成為必要。 μ習^應用於全球衛星定位系統之天、㈣為㈣圓極化全球 衛f定位系統天線，其具有體積不易客製化、接收角度小之 1題自於現今電子產品之體積日趨微小化，故内部可設置 ” °邊it件之工間有限。但習知圓極化全球衛星^位系統 天線之空間限制較多’實難應用於體積較小之產品(例如筆記 型電腦)’因此應用範圍較為受限。 一/有’、'要提供-種創新且具進步性的應用於全球衛星 定位系統之天線，以解決上述問題。 【發明内容】 "提供-種應用於全球衛星定位系統之天線，其包相 屬片、一第一輻射金屬片及-第二輻射金屬片1 ,^ 接處。邊第一輻射金屬片係設置於該招With the rapid development of wireless communication technology, various multi-frequency communication products have sprung up. 'So wireless communication products have gradually become the 邛77 in human life, and almost all new products will have wireless transmission functions. In order to meet the needs of the public', and the notebook computer often needs data transmission, the wireless transmission wheel can simplify many wiring and setting problems, and the antenna configuration becomes necessary for the purpose of wireless transmission. μ习^ is applied to the global satellite positioning system, (4) is the (4) circularly polarized global security f positioning system antenna, which has a volume that is not easy to customize, and the receiving angle is small. Since the volume of today's electronic products is becoming smaller and smaller, Therefore, the interior can be set to "the side of the workpiece is limited. But the circular space of the global satellite system antenna is more limited. It is difficult to apply to smaller products (such as notebook computers)" The scope is more limited. One / have ', ' to provide - an innovative and progressive antenna for the global satellite positioning system to solve the above problems. [Summary] " provide - a global satellite positioning system The antenna has a package, a first radiating metal piece and a second radiating metal piece 1 and a joint. The first radiating metal piece is disposed in the
地金屬片上方，該當一h A °第一輻射金屬片具有一延伸部及一連招 128842.doc 200939562 部，該連接部之一端係連接該延伸部，另一端係於該連接卢 連接該接地金屬片，該延伸部係以該連接處為起點朝向一$ 一方向延伸。該第二輻射金屬片係一獨立之金屬片，且#置 於該接地金屬片及該第一輻射金屬片之間，第二輻射金屬片 具有一饋入點，該第二輻射金屬片係以該饋入點為起點朝向 該第一方向延伸，該第一輻射金屬片與該第二輻射金屬片耦 合，用以產生一共振模態。 在本發明中，由於該第一輻射金屬片及該第二輻射金屬片 係朝向同一方向延伸，使得該第二輻射金屬片係位於該接地 金屬片及該第一輻射金屬片所圍繞之空間内，因此可以節省 空間，縮小該天線之體積。此外，該第一輻射金屬片之長度 大於S玄第二輻射金屬片之長度，使得該第一輻射金屬片具有 降頻及場型激發之功效。 【實施方式】 請參閱圖1A及1B，其顯示本發明之天線應用於一筆記型電 腦1之配置示意圖。本發明之天線可應用於包含筆記型電腦之 各種無線電子裝置，但並不侷限於筆記型電腦，一般之個人 數位助理（PDA)等電子產品均可利用本發明之整合型天線，以 達到無線通訊之目的。該筆記型電腦丨具有一螢幕丨丨及一螢幕 外殼框架12，本發明之天線2(以第一實施例之天線2為例，如 圖2所示）設置於該筆記型電腦1之螢幕外殼框架12，並以一同 軸導線13連接該天線2至該筆記型電腦丨之控制電路，俾利用 該天線2進行資料傳輸。 請參閱圖2 ’顯示本發明應用於全球衛星定位系統之天線之 128842.doc 200939562 第一實％例之不意圖。該天線2包括一接地金屬片21、一第一 輪射金屬片22及-第二轄射金屬片23。該接地金屬片21具有 一連接處211及一接地端點212。 該第-輪射金屬片22係設置於該接地金屬片21上方。該第 一輻射金屬片22具有一延伸部221及一連接部222，該連接部 222之一端係連接該延伸部221，另一端係於該連接處2ιι連接 • 該接地金屬片21。該延伸部221係以該連接處211為起點朝向 一第一方向（圖中右側）延伸，亦即該延伸部221皆位於該連接 ® 冑211之右側。在本實施例中，該連接部222並未垂直該接地 金屬片21而形成一斜角，然而在其他應用中，該連接部222可 以垂直該接地金屬片21。 該第一輪射金屬片23係一獨立之金屬片，其並未與該接地 金屬片21及該第一輻射金屬片22相連接。該第二輻射金屬片 23係設置於該接地金屬片21及該第一輻射金屬片22之間，亦 即該第二輻射金屬片23係位於該接地金屬片21及該第一輻射 金屬片22所圍繞之空間内。 該第二輻射金屬片23具有一饋入點231，該饋入點231之位置 係相對於該接地端點212，該饋入點231及該接地端點212係用以 電性連接至-同轴導線13。在本實施例中，該接地端點212係位 於該饋入點231及該連接處211之間。該第二輻射金屬片23係以 該饋入點231為起點朝向該第一方向（圖中右側）延伸，亦即該 第二輻射金屬片23係皆位於該饋入點231之右側，該饋入點231 係位於該第二輻射金屬片23之最左端。因此，在本發明中，該 第一輻射金屬片22及該第二輻射金屬片23係朝向同一方向延 I28842.doc 200939562 伸’且該第一輻射金屬片22之該延伸部221、該第二輻射金屬 片23及該接地金屬片21係平行。 該第一輻射金屬片22之該延伸部221及該連接部222之總長 度（即該第一輻射金屬片22之總長度）係大於該第二輻射金屬片 22之長度。而且’該延伸部221與該第二輻射金屬片23之間距 D1係小於該第二輻射金屬片23與該接地金屬片21之間距D2。 該第一輻射金屬片22與該第二輻射金屬片23耦合，用以產生 一共振模態’該共振模態之頻率包含丨575 MHz及1672MHz。 在本實施例中，該第二輻射金屬片23具有二種寬度，然而在 其他應用中，該第二輻射金屬片23也可以具有均一寬度。 在本實施例中，該天線2更包括一遮蔽金屬片24，用以防止 外界之干擾，且連接至該接地金屬片21之一端。在本實施例 中，該接地金屬片21、該第一輻射金屬片22、該第二輻射金 屬片23及該遮蔽金屬片24係貼合於一基板25上，而形成一平 板狀天線。該基板25之材質可以是陶瓷基板、軟性印刷電路 板、FR-4基板或其他基板材質。 在本發明中，由於該第一輻射金屬片22及該第二輻射金屬 片23係朝向同一方向延伸，使得該第二輻射金屬片23係位於 該接地金屬片21及該第一輻射金屬片22所圍繞之空間内，因 此可以節省空間，縮小該天線2之體積。此外，該第一輻射金 屬片22之長度大於該第二輻射金屬片22之長度，使得該第一 輻射金屬片22具有降頻及場型激發之功效。 請參閱圖3，顯示本發明應用於全球衛星定位系統之天線之 第二實施例之示意圊。該天線3係為一立體形式之天線，其包 I28842.doc -9- 200939562 括一接地金屬片31、一第一輻射金屬片32、一第二輻射金屬 片33及一支擇元件35。 該支撐元件35之材質係為陶瓷基板、不導電固體、軟性印 刷電路板或FR-4基板，其具有一第一側面351(前表面）、一第 二側面352(上表面）及一第三侧面My下表面），該第二側面352 係相對於該第三側面353，該第一側面35丨係垂直該第二側面 352及該第三側面353。 5亥接地金屬片31具有一連接處311及一接地端點312。該接地 〇 &屬片31係設置於該支撐元件35之第三側面353，除了該接地 端點312係設置於該第一側面35丨之外。 該第一輻射金屬片32係設置於該接地金屬片31上方。該第 —輻射金屬片32具有一延伸部321及一連接部322。該連接部 322係設置於該支撐元件35之第一側面351，該延伸部μ〗係設 置於該第二側面352。該連接部322之一端係連接該延伸部 321，另一端係於該連接處311連接該接地金屬片31。該延伸 部321係以該連接處311為起點朝向一第一方向（圖中右側）延 伸’亦即该延伸部321皆位於該連接處311之右側。 八該第二輻射金屬片33係一獨立之金屬片，其並未與該接地 金屬片31及該第一輻射金屬片32相連接。該第二輻射金屬片 33係叹置於該切元件35之S -側面351。該第二輻射金屬片 33係設置於該接地金屬片31及該第一輻射金屬片32之間。 該第二輻射金屬片33具有-饋入點33卜該饋入點331之位置 係相對於该接地端點312，該饋入點331及該接地端點M2係用以 電連接1 @軸導線13。在本實施例中，該接地端點312係位 I28842.doc 200939562 於该饋入點331及該連接處3 11之間。該第二轄射金屬片33係以 s亥饋入點331為起點朝向該第一方向（圖中右側）延伸，亦即該 第二輻射金屬片33係皆位於該饋入點331之右側，該饋入點331 係位於該第二輻射金屬片33之最左端。 該第一輻射金屬片32之該延伸部321及該連接部322之總長 度（即該第一輻射金屬片32之總長度）係大於該第二輻射金屬片 32之長度。而且，該延伸部321與該第二輻射金屬片33之間距 係小於該第二輻射金屬片33與該接地金屬片3 i之間距。該第 © 一輻射金屬片32與該第二輻射金屬片33耦合，用以產生一共 振模悲，該共振模態之頻率包含丨575 MHz及1672MHz。在本 實施例中，該第二輻射金屬片33具有二種寬度，然而在其他 應用中，該第二輻射金屬片33具有均一寬度。 在本實施例中，該天線3更包括一遮蔽金屬片34，用以防止 外界之干擾，且連接至該接地金屬片3丨之一端。此外，該接 地金屬片31包括一第一固定片3 13、一第二固定片314。該第 ^ 一固定片313係向上延伸且具有一第一貫穿孔315，該第二固 定片314係向上延伸且具有一第二貫穿孔316。該第一貫穿孔 315及該第二貫穿孔316係用以供二螺絲（圖中未示）將該天線^ 固定於該筆記型電腦1之螢幕外殼框架12(圖1A)。 請參閱圖4，顯示本發明應用於全球衛星定位系統之天線之 第二實施例之示意圖。該天線4係為一立體形式之天線其與該 第二實施例之天線3(圖3)大致相同，其不同處僅在於該支撐元 件35及該第二輻射金屬片33之位置。 在本實施例中，該支撐元件35具有一第一側面351、一第二 I28842.doc -11 - 200939562 側面352、一第三側面353及一凹槽354。該凹槽354係開口於 該第二側面352，該第二側面352係相對於該第三侧面353，該 第一側面351係垂直該第二側面352及該第三側面353。該接地 金屬片31係設置於該第三側面353，該第一輻射金屬片32之該 連接部322係設置於該第一側面35 i，該第一輻射金屬片32之 該延伸部321係設置於該第二側面352 ^該第二輻射金屬片33 係設置於該凹槽354之底壁，該第二輻射金屬片33係面對且平 行該第一輻射金屬片32之該延伸部321。 惟上述實施例僅為說明本發明之原理及其功效，而非用以 限制本發明。因此，習於此技術之人士對上述實施例進行修 改及變化仍不脫本發明之精神。本發明之權利範圍應如後述 之申請專利範圍所列。 【圖式簡單說明】 圖1A及1B顯示本發明之天線應用於一筆記型電腦之配置示 意圖； 圖2顯示本發明應用於全球衛星定位系統之天線之第一實施 例之示意圖； 圖3顯示本發明應用於全球衛星定位系統之天線之第二實施 例之示意圏；及 圖4顯示本發明應用於全球衛星定位系統之天線之第三實施 例之示意囷。 【主要元件符號說明】 1 筆記型電腦 2 本發明之天線之第一實施例 I28842.doc .12· 200939562Above the ground metal piece, the first radiating metal piece of the h A ° has an extension portion and a continuous portion 128842.doc 200939562, one end of the connecting portion is connected to the extending portion, and the other end is connected to the grounding metal by the connecting lu And the extension extends from the joint starting point toward a direction of one direction. The second radiating metal piece is a separate metal piece, and # is disposed between the grounding metal piece and the first radiating metal piece, the second radiating metal piece has a feeding point, and the second radiating metal piece is The feed point extends from the starting point toward the first direction, and the first radiating metal piece is coupled to the second radiating metal piece to generate a resonant mode. In the present invention, since the first radiating metal piece and the second radiating metal piece extend in the same direction, the second radiating metal piece is located in a space surrounded by the grounding metal piece and the first radiating metal piece. Therefore, space can be saved and the size of the antenna can be reduced. In addition, the length of the first radiating metal piece is greater than the length of the S-second second radiating metal piece, so that the first radiating metal piece has the effects of frequency reduction and field type excitation. [Embodiment] Referring to Figures 1A and 1B, there is shown a schematic diagram of the configuration of an antenna of the present invention applied to a notebook computer 1. The antenna of the present invention can be applied to various wireless electronic devices including a notebook computer, but is not limited to a notebook computer. Generally, an electronic device such as a personal digital assistant (PDA) can utilize the integrated antenna of the present invention to achieve wireless. The purpose of communication. The notebook computer has a screen and a screen casing 12, and the antenna 2 of the present invention (the antenna 2 of the first embodiment is taken as an example, as shown in FIG. 2) is disposed on the screen casing of the notebook computer 1. The frame 12 is connected to the control circuit of the notebook computer by a coaxial wire 13 for data transmission by the antenna 2. Please refer to FIG. 2' for the purpose of the antenna of the present invention applied to the antenna of the global satellite positioning system. The antenna 2 includes a grounded metal piece 21, a first wheeled metal piece 22, and a second conditioned metal piece 23. The grounding metal piece 21 has a joint 211 and a grounding end 212. The first-rolling metal piece 22 is disposed above the grounding metal piece 21. The first radiating metal piece 22 has an extending portion 221 and a connecting portion 222. One end of the connecting portion 222 is connected to the extending portion 221, and the other end is connected to the grounding metal piece 21 at the connecting portion. The extension portion 221 extends from the joint 211 as a starting point toward a first direction (the right side in the drawing), that is, the extending portion 221 is located to the right of the connection ® 211. In the present embodiment, the connecting portion 222 does not form an oblique angle perpendicular to the grounding metal piece 21, however, in other applications, the connecting portion 222 may be perpendicular to the grounding metal piece 21. The first metal piece 23 is a separate metal piece that is not connected to the ground metal piece 21 and the first radiation metal piece 22. The second radiating metal piece 23 is disposed between the grounding metal piece 21 and the first radiating metal piece 22, that is, the second radiating metal piece 23 is located on the grounding metal piece 21 and the first radiating metal piece 22 Within the space surrounded. The second radiating metal piece 23 has a feeding point 231. The feeding point 231 is located relative to the grounding end point 212. The feeding point 231 and the grounding end point 212 are electrically connected to the same Shaft wire 13. In the present embodiment, the ground terminal 212 is located between the feed point 231 and the connection 211. The second radiating metal piece 23 extends from the feeding point 231 toward the first direction (the right side in the figure), that is, the second radiating metal piece 23 is located at the right side of the feeding point 231, and the feeding The entry point 231 is located at the leftmost end of the second radiating metal piece 23. Therefore, in the present invention, the first radiating metal piece 22 and the second radiating metal piece 23 extend toward the same direction I28842.doc 200939562 and the extension portion 221 of the first radiating metal piece 22, the second The radiating metal piece 23 and the grounding metal piece 21 are parallel. The total length of the extension portion 221 and the connecting portion 222 of the first radiating metal piece 22 (i.e., the total length of the first radiating metal piece 22) is greater than the length of the second radiating metal piece 22. Further, the distance D1 between the extending portion 221 and the second radiating metal piece 23 is smaller than the distance D2 between the second radiating metal piece 23 and the grounding metal piece 21. The first radiating metal piece 22 is coupled to the second radiating metal piece 23 for generating a resonant mode. The frequency of the resonant mode comprises 丨575 MHz and 1672 MHz. In the present embodiment, the second radiating metal sheet 23 has two widths, however, in other applications, the second radiating metal sheet 23 may have a uniform width. In this embodiment, the antenna 2 further includes a shielding metal piece 24 for preventing external interference and being connected to one end of the grounding metal piece 21. In this embodiment, the grounding metal piece 21, the first radiating metal piece 22, the second radiating metal piece 23, and the shielding metal piece 24 are attached to a substrate 25 to form a flat antenna. The material of the substrate 25 may be a ceramic substrate, a flexible printed circuit board, an FR-4 substrate or other substrate material. In the present invention, since the first radiating metal piece 22 and the second radiating metal piece 23 extend in the same direction, the second radiating metal piece 23 is located on the grounding metal piece 21 and the first radiating metal piece 22 Within the space enclosed, space can be saved and the volume of the antenna 2 can be reduced. In addition, the length of the first radiant metal piece 22 is greater than the length of the second radiant metal piece 22, so that the first radiant metal piece 22 has the effects of down-conversion and field-type excitation. Referring to Figure 3, there is shown a schematic diagram of a second embodiment of the antenna of the present invention applied to a global satellite positioning system. The antenna 3 is a three-dimensional antenna, and the package I28842.doc -9-200939562 includes a grounding metal piece 31, a first radiating metal piece 32, a second radiating metal piece 33, and a selective element 35. The material of the supporting member 35 is a ceramic substrate, a non-conductive solid, a flexible printed circuit board or an FR-4 substrate, and has a first side surface 351 (front surface), a second side surface 352 (upper surface) and a third The second side 352 is opposite to the third side 353, and the first side 35 is perpendicular to the second side 352 and the third side 353. The 5H grounding metal piece 31 has a joint 311 and a grounding end 312. The grounding strip 31 is disposed on the third side 353 of the supporting member 35 except that the grounding end 312 is disposed outside the first side 35丨. The first radiating metal piece 32 is disposed above the grounding metal piece 31. The first radiating metal piece 32 has an extending portion 321 and a connecting portion 322. The connecting portion 322 is disposed on the first side 351 of the supporting member 35, and the extending portion is disposed on the second side 352. One end of the connecting portion 322 is connected to the extending portion 321, and the other end is connected to the grounding metal piece 31 at the connecting portion 311. The extending portion 321 extends from the connecting portion 311 toward a first direction (the right side in the drawing), that is, the extending portion 321 is located at the right side of the connecting portion 311. The second radiating metal piece 33 is a separate metal piece which is not connected to the grounding metal piece 31 and the first radiating metal piece 32. The second radiating metal piece 33 is attached to the S-side 351 of the cutting element 35. The second radiating metal piece 33 is disposed between the grounding metal piece 31 and the first radiating metal piece 32. The second radiating metal piece 33 has a feeding point 33. The position of the feeding point 331 is relative to the grounding end point 312. The feeding point 331 and the grounding end point M2 are used for electrically connecting the 1 @axis wire. 13. In the present embodiment, the ground terminal 312 is located between the feed point 331 and the joint 3 11 at I28842.doc 200939562. The second radiant metal piece 33 extends toward the first direction (the right side in the figure) with the sigma feed point 331 as a starting point, that is, the second radiant metal piece 33 is located at the right side of the feed point 331. The feed point 331 is located at the leftmost end of the second radiating metal piece 33. The total length of the extension portion 321 and the connecting portion 322 of the first radiating metal piece 32 (i.e., the total length of the first radiating metal piece 32) is greater than the length of the second radiating metal piece 32. Moreover, the distance between the extending portion 321 and the second radiating metal piece 33 is smaller than the distance between the second radiating metal piece 33 and the grounding metal piece 3 i. The first radiating metal piece 32 is coupled to the second radiating metal piece 33 for generating a resonant mode having a frequency of 丨575 MHz and 1672 MHz. In the present embodiment, the second radiating metal sheet 33 has two widths, however in other applications, the second radiating metal sheet 33 has a uniform width. In this embodiment, the antenna 3 further includes a shielding metal piece 34 for preventing external interference and being connected to one end of the grounding metal piece 3丨. In addition, the grounding metal sheet 31 includes a first fixing piece 313 and a second fixing piece 314. The first fixing piece 313 extends upward and has a first through hole 315 extending upwardly and having a second through hole 316. The first through hole 315 and the second through hole 316 are used for fixing the antenna 2 to the screen casing frame 12 of the notebook computer 1 (FIG. 1A) by two screws (not shown). Referring to Figure 4, there is shown a schematic diagram of a second embodiment of the antenna of the present invention applied to a global satellite positioning system. The antenna 4 is a three-dimensional antenna which is substantially identical to the antenna 3 (Fig. 3) of the second embodiment except for the position of the supporting member 35 and the second radiating metal piece 33. In this embodiment, the support member 35 has a first side surface 351, a second I28842.doc -11 - 200939562 side surface 352, a third side surface 353, and a recess 354. The recess 354 is open to the second side 352. The second side 352 is opposite to the third side 353. The first side 351 is perpendicular to the second side 352 and the third side 353. The grounding metal piece 31 is disposed on the third side surface 353. The connecting portion 322 of the first radiating metal piece 32 is disposed on the first side surface 35 i. The extending portion 321 of the first radiating metal piece 32 is disposed. The second radiating metal piece 33 is disposed on the bottom wall of the recess 354. The second radiating metal piece 33 faces and is parallel to the extending portion 321 of the first radiating metal piece 32. However, the above embodiments are merely illustrative of the principles and effects of the invention and are not intended to limit the invention. Therefore, those skilled in the art can make modifications and changes to the above embodiments without departing from the spirit of the invention. The scope of the invention should be as set forth in the appended claims. BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1A and FIG. 1B are schematic diagrams showing the configuration of an antenna of the present invention applied to a notebook computer; FIG. 2 is a schematic view showing the first embodiment of the antenna applied to the global satellite positioning system of the present invention; The invention is directed to a second embodiment of an antenna for a global satellite positioning system; and Figure 4 shows a schematic representation of a third embodiment of an antenna for use in a global satellite positioning system. [Description of main component symbols] 1 Notebook computer 2 First embodiment of the antenna of the present invention I28842.doc .12· 200939562
3 本發明之天線之第二實施例 4 本發明之天線之第三實施例 11 螢幕 12 螢幕外殼框架 13 同軸導線 21 接地金屬片 22 第一輻射金屬片 23 第二輻射金屬片 24 遮蔽金屬片 25 基板 31 接地金屬片 32 第一輻射金屬片 33 第二輻射金屬片 34 遮蔽金屬片 35 支撐元件 211 連接處 212 接地端點 221 延伸部 222 連接部 231 饋入點 311 連接處 312 接地端點 313 第一固定片 314 第二固定片 128842.doc -13- 200939562 ❹ 第一貫穿孔 第二貫穿孔 延伸部 連接部 饋入點 第一側面 第二側面 第三側面 凹槽 128842.doc3 Second Embodiment of Antenna of the Present Invention Third Embodiment 11 of Antenna of the Present Invention Screen 12 Screen Housing Frame 13 Coaxial Conductor 21 Grounding Metal Sheet 22 First Radiation Metal Sheet 23 Second Radiation Metal Sheet 24 Masking Metal Sheet 25 Substrate 31 Grounding metal sheet 32 First radiating metal sheet 33 Second radiating metal sheet 34 Masking metal sheet 35 Supporting member 211 Connection 212 Grounding end point 221 Extension portion 222 Connection portion 231 Feeding point 311 Connection portion 312 Grounding end point 313 a fixing piece 314 a second fixing piece 128842.doc -13- 200939562 ❹ a first through hole second through hole extending portion connecting portion feeding point first side second side third side groove 128842.doc