M286998 八、新型說明： 【新型所屬之技術領域】 —本創作係為一種具複合功能之天線，尤其係指一種 可同時應用於具有接地層之載板和不具有才妾地声之 板的天線。 θ ^ 【先前技術】 八無線區域網路典型上可在空中利用無需許可證的 歩ί段進行傳輸，這個頻率範圍是由FCC設定的，通常被 標記為ISM波段，是蘋果公司和幾個大公司向Fcc申請 在這個頻率範圍内開發無線網路。跟紅外線（Ili)A): 樣，無線LAN無需連線設備就可以進行直線的傳輸，無 線接入點（簡稱AP)連接到一台乙太網集線器/交換機 或司服上在幾百到上千英尺的區域内傳輸無線電 波。而上述之無線區域網路即透過屬於該頻段之天線進 行訊號之傳輸。 立如第一圖所示，為習知的無線區域網路之天線之示 ^ /、適用於天線下端具有接地層之印刷電路板 14,其天線迴路1〇位於本體12之上端面，為了避免接 地層16對^線迴路之訊號產生干擾，該本體12必 :八有疋之南度，因此，該天線之設計不適合於薄型 或小型之無線區域網路設備。 如第二圖所示，為另一習知的無線區域網路之天線 之:思圖，其僅適用於天線下方不具有接地層26之印 刷包路板24或需將位於該天線下方之印刷電路板裸 M286998 二其本體22由多層陶瓷構成，而天線迴路2〇則佈置 於該本體22《多層陶£中，雖然可以降低天線之高 度，但不適用於天線下端具有接地層之印刷電路板。 【新型内容】 本創作之主要目的是提供一種具複合功能之天 線，係利用複數個路徑之設計，而達到可同時應用於具 有接地層之載板和不具有接地層（或具有裸空區）之 板的天線。 本創作之另一目的是提供一種具複合功能之天 線，係設置一阻抗匹配路徑，藉由改變電容、電感，可 適當的調整天線之頻率。 “ 為了達成上述目的，本創作之具複合功能之天線包 ，有一本體、一主路徑、一接地路徑和一阻抗匹配路 k主路從位於該本體之一上端面，接地路徑位於該本 體之一下端面，阻抗匹配路徑則係位於該本體之一側端 面。 本創作之具複合功能之天線藉由天線路徑之斷路 汉计’可同時應用於具有接地層之載板和不具有接地層 之載板⑤應用於具有接地層之載板的無線通訊裝置 時，可在該具有接地層之載板上相對於該天線之路徑位 置’ 5又置一銲墊，連接該主路徑。 本創作之具複合功能之天線另藉由電容、電感等元 件連接該主路徑和該阻抗匹配路徑，經調整該電容、 電感之電容值、電感值，來調整該具複合功能之天線之 M286998 匹配阻抗。 為使能更進一步瞭解本創作之特徵及技術内容，請 茶閱以下有關本創作之詳細說明與附圖，然而所附圖式 僅提供參考與說明之用，並非用來對本創作加以限制。 【實施方式】 4芩照第三圖所示，為本創作之具複合功能之天線 之貝％例之示意圖。本創作之具複合功能之天線包括有 一本體30、一主路徑32、一接地路徑34和一阻抗匹配 路徑36。本實施例之本體3〇由陶瓷材料構成，主路徑 32位於該本體3〇之一上端面，接地路徑34位於該本 體30之一下端面，阻抗匹配路徑36則係位於該本體 3〇之一側端面。為了配合無線傳輸裝置及所需之傳輸 頻率，主路徑32除了位於該本體3〇之一上端面外，其 路徑之佈線可延伸至該本體3〇之前側端面、後側端 面、左側端面和右側端面。 如第四圖所示，為本創作之具複合功能之天線應月 於具有接地層之印刷電路板之示意圖。該印刷電路相 40具有接地層（未示於时），且在位於該具複合功能 之天線下方之該印刷電路板4G，對應於主路徑犯和接 =路徑34戶斤在之位置冑，設置有一鮮塾（未示於圖 )田將該具複合功能之天線固接於印刷電路板別 上時，該銲墊會接通主路徑％。另外，可以在主路徑 32和阻抗匹配路徑36㈣置電容和電感42、44,藉由 調整電容值和電感值來調整該具複合功能之天線之匹 7 M286998 電可=感_广依天線之路徑設計 匆口 j以包含一個或一個以上。 如第五圖所示’為本創作之具複合功能之天線應用 有裸空區之印刷電路板之示意圖。本創作之具複合 i :2 之二線f過一位於印刷電路板5 〇之線路5 2與主路 和接地路徑34接通，達到訊號的傳遞。 各種ίΓ,之具複合功能之天線可適用於無線通訊之 本創作之具複合功能之天線具有下列之特點： ^纟創作之具複合功能之天線利用複數 =呈可同時應用於具有接地層之載板和不具有接地 ^或有裸空區）之載板的天線。 威夕L本創作之具複合功能之天線可調整該電容、電 :阻:谷值、電感值，來調整該具複合功能之天線之匹 3.本創作具有斷路設計，增加其應用上之彈性。 之2作之具複合功能之天線藉由複數個路徑 之5又计，可提供單頻或多頻之功能。 即拘二行二：;= ==域内’所實施之變化或修錦，皆應屬:創作 【圖式簡單說明】 有關本創作之圖式簡單說明如下·· M286998 第一圖為習知的無線區域網路之天線之示意圖； 第二圖為習知的另一無線區域網路之天線之示意圖； 第三圖為本創作之具複合功能之天線之實施例之示意圖； 第四圖為本創作之具複合功能之天線應用於具有接地層之 印刷電路板之示意圖；及 第五圖為本創作之具複合功能之天線應用於具有裸空區之 印刷電路板之示意圖。 【主要元件符號說明】 「習知」 10 天線迴路 12 本體 14 印刷電路板 16 接地層 20 天線迴路 22 本體 24 印刷電路板 26 接地層 「本創作」 30 本體 32 主路徑 34 接地路徑 36 阻抗匹配路徑 印刷電路板 9 40 M286998 42 電容 44 電感 50 印刷電路板M286998 VIII. New description: [New technical field] - This is a kind of antenna with composite function, especially refers to an antenna that can be applied to both the carrier with grounding layer and the board without sound. . θ ^ [Prior Art] Eight wireless local area networks are typically transported over the air using license-free , 段 segments, which are set by the FCC and are usually labeled as ISM bands, which are Apple and several large The company applied to Fcc to develop a wireless network within this frequency range. With infrared (Ili) A): The wireless LAN can be transmitted in a straight line without a connection device. The wireless access point (AP) is connected to an Ethernet hub/switch or a server on several hundred to Radio waves are transmitted in a thousand feet. The wireless local area network described above transmits signals through antennas belonging to the frequency band. As shown in the first figure, the antenna of the conventional wireless local area network is applied to the printed circuit board 14 having a ground layer at the lower end of the antenna, and the antenna loop 1 is located at the upper end surface of the body 12, in order to avoid The ground layer 16 interferes with the signal of the ^ circuit, and the body 12 must have a south degree. Therefore, the antenna is not suitable for a thin or small wireless area network device. As shown in the second figure, it is another conventional wireless local area network antenna: it is only applicable to the printed wrapping board 24 without the grounding layer 26 under the antenna or the printing to be placed under the antenna. The circuit board is bare M286998. The body 22 is made of multi-layer ceramic, and the antenna circuit 2 is arranged in the body 22, which can reduce the height of the antenna, but is not suitable for the printed circuit board with the ground layer at the lower end of the antenna. . [New content] The main purpose of this creation is to provide a composite antenna with a plurality of paths designed to be applied to both a carrier with a ground plane and a ground plane (or a bare space). The antenna of the board. Another object of the present invention is to provide a composite function antenna, which is provided with an impedance matching path, and the frequency of the antenna can be appropriately adjusted by changing the capacitance and inductance. In order to achieve the above object, the antenna package with the composite function of the present invention has a body, a main path, a ground path and an impedance matching path. The main path of the main path is located at an upper end surface of the body, and the ground path is located under one of the bodies. The end face and the impedance matching path are located on one side end surface of the main body. The antenna with the composite function of the present invention can be simultaneously applied to the carrier board having the ground layer and the carrier board without the ground layer by the open circuit of the antenna path 5 When applied to a wireless communication device having a carrier layer of a ground layer, a pad can be placed on the carrier board having the ground layer with respect to the path position of the antenna to connect the main path. The functional antenna is connected to the main path and the impedance matching path by means of a capacitor, an inductor, etc., and the capacitance of the capacitor, the inductance, and the inductance value are adjusted to adjust the M286998 matching impedance of the antenna with the composite function. To further understand the characteristics and technical content of this creation, please read the following detailed description and drawings of this creation, but the drawings only provide reference. The purpose of the test and the explanation is not to limit the creation. [Embodiment] 4In the third figure, it is a schematic diagram of the example of the antenna with the composite function of the creation. The composite function of this creation The antenna includes a body 30, a main path 32, a ground path 34 and an impedance matching path 36. The body 3 of the embodiment is made of a ceramic material, and the main path 32 is located at an upper end surface of the body 3, and the ground path 34 is provided. Located on a lower end surface of the body 30, the impedance matching path 36 is located on one side end surface of the body 3. In order to cooperate with the wireless transmission device and the required transmission frequency, the main path 32 is located at an upper end surface of the body 3〇. The wiring of the path may extend to the front side end surface, the rear side end surface, the left side end surface and the right side end surface of the main body 3〇. As shown in the fourth figure, the antenna with the composite function of the present invention should be printed on the ground layer. A schematic diagram of a circuit board having a ground plane (not shown), and the printed circuit board 4G located below the antenna having the composite function, corresponding to the main path And the connection = path 34 in the position of the 胄, set a fresh 塾 (not shown in the figure) when the composite antenna is fixed on the printed circuit board, the pad will turn on the main path %. In addition, capacitors and inductors 42 and 44 can be placed in the main path 32 and the impedance matching path 36 (four), and the antenna of the composite function can be adjusted by adjusting the capacitance value and the inductance value. 7 M286998 Electrical Sense = Sense Depending on the path of the antenna The design is rushed to include one or more. As shown in the fifth figure, the schematic diagram of the printed circuit board with bare space is applied to the antenna with the composite function of the creation. The composite i: 2 second line of this creation f. A line 52 on the printed circuit board 5 is connected to the main path and the ground path 34 to achieve signal transmission. Various kinds of composite antennas can be used for the composite function of the wireless communication. The antenna has the following characteristics: ^ The antenna with the composite function is created using a complex number = an antenna that can be applied to both a carrier board having a ground plane and a carrier board having no ground or bare space. The composite antenna of Wei Xi L can adjust the capacitance and electricity: resistance: valley value and inductance value to adjust the antenna of the composite function. 3. This creation has a circuit breaker design, which increases the flexibility of its application. . The composite antenna of the two functions can provide single-frequency or multi-frequency functions by a plurality of paths. Immediately, the second line: 2 =============================================================================================== A schematic diagram of an antenna of a wireless local area network; the second figure is a schematic diagram of an antenna of another wireless local area network; the third figure is a schematic diagram of an embodiment of a composite antenna with a composite function; A schematic diagram of a composite circuit having a composite circuit applied to a printed circuit board having a ground plane; and a fifth diagram showing a composite antenna having a composite function applied to a printed circuit board having a bare space. [Main component symbol description] "Practical" 10 Antenna circuit 12 Main body 14 Printed circuit board 16 Ground plane 20 Antenna circuit 22 Main body 24 Printed circuit board 26 Ground plane "This creation" 30 Main body 32 Main path 34 Ground path 36 Impedance matching path Printed Circuit Board 9 40 M286998 42 Capacitor 44 Inductor 50 Printed Circuit Board