201214871 六、發明說明： 【發明所屬之技術領域】 本發明是有關於一種天線裝置，特別是一種數位電視 天線裝置。 【先前技術】 隨著科技的進步，通訊技術的主戰場已漸漸地從有線 的通訊技術轉移至無線的通訊技術。而在訊號的傳遞媒介 • 上，由以往有形的金屬線路(如同軸電纜）改變成以空氣為 傳播介質的無線通訊，而電磁波訊號進出無線通訊設備的 門戶便是天線。 ，目前市面上的數位電視產品的内建天線均以金屬拉桿 形式來實現，並透過連接器將天線連接在電路板上。但如 此般的天線結構，往往產生如下缺點。首先，一般數位電 視的操作頻段介於470MHz到870MHz，但金屬拉桿形式 1天線，因其阻抗頻寬並不足以涵蓋足夠的數位電視頻 # 段，而無法完善地接收數位電視訊號；其次，於操作使用 金屬拉桿形式的天線之過程中，須先將天線做旋轉再拉出 的動作，不僅不具便捷性，且當使用一段時間後，連接器 則疲乏進而失去摩擦力’致使天線不易固定在特定的位置 上。 由此可知，實須一種更具便捷性且可完全涵蓋數位電 視頻段之數位電視接收天線裝置，以提昇無線行動的方便 201214871 【發明内容】 因此，本發明之目的是在提供一種天線裝置，且藉由 掀蓋以調整其天線之匹配狀態，從而提升於接收數位電視 . 訊號的效率與品質。 本發明一方面係提出一種天線裝置，其包含一殼體、 一天線。殼體包含一上蓋與一下蓋。天線設置於殼體中， 並包含一金屬導體、一電路板、一匹配電路以及一導線。 金屬導體設置於上蓋中。電路板設置於下蓋中且具有一接 φ 地層。匹配電路形成於電路板上，且包含一第一金屬件、 一第二金屬件以及一電容。第二金屬件具有一訊號饋入 點，且第二金屬件與第一金屬件之間形成一間隙。電容設 置於間隙上，並電性連接第一金屬件與第二金屬件。導線 則電性連接第一金屬件與上蓋中之金屬導體。 依據本發明一實施例，其中訊號饋入點用以接收 470MHz到870MHz之數位電視頻段。 依據本發明一實施例，其中殼體更包含一枢轴，樞接 • 上蓋與下蓋。 依據本發明一實施例，其中天線更包含一金屬轉軸， 設置於樞軸中，且電性連接金屬導體與接地層。 依據本發明一實施例，其中金屬導體具有一矩形外觀。 依據本發明一實施例，其中電容為一晶片電容，且其 電容值介於lpF至2pF之間。 依據本發明一實施例，其中第一金屬件與第二金屬件 皆為電路板上的印刷走線。 依據本發明一實施例，其中第一金屬件具有一環狀^\ 201214871 觀，而第二金屬件具有一矩形外觀。 依據本發明一實施例，其中導線包含一第一端與一第 二端，分別電性連接金屬導體與第一金屬件，且第一端與 第二端皆具有一環狀外觀。 依據本發明一實施例，更包含至少一通訊模組，形成 於電路板上。 依據本發明一實施例，更包含槽線，設置於金屬導體 上，且晶片電容之電容值為50pF以上。 • 本發明亦提出一種天線裝置，其包含一殼體、一天線。 殼體包含一上蓋與一下蓋。天線設置於殼體中，並包含一 金屬導體、一電路板、一匹配電路以及一導線。金屬導體 設置於上蓋中。電路板設置於下蓋中且具有一接地層。匹 配電路形成於電路板上，且包含一第一金屬件、一第二金 屬件以及一電容。第二金屬件具有一訊號饋入點，且第二 金屬件與第一金屬件之間形成一間隙。電容設置於間隙 上，並電性連接第一金屬件與第二金屬件。導線則電性連 φ 接第一金屬件與上蓋中之金屬導體。此外，天線裝置更包 含有兩平行金屬板分別平行設置於電路板兩面。複數個金 屬彈片則設置於該電路板及該平行金屬板之間。此金屬彈 片用於電性連接電路板與平行金屬板。 【實施方式】 為了使本發明之敘述更加詳盡與完備，可參照所附之 圖式及以下所述各種實施例，圖式中相同之號碼代表相同 或相似之元件。另一方面，眾所週知的元件與步驟並未描201214871 VI. Description of the Invention: [Technical Field] The present invention relates to an antenna device, and more particularly to a digital television antenna device. [Prior Art] With the advancement of technology, the main battlefield of communication technology has gradually shifted from wired communication technology to wireless communication technology. In the transmission medium of the signal, the tangible metal lines (such as coaxial cable) are changed into wireless communication using air as the propagation medium, and the portal of the electromagnetic wave signal entering and leaving the wireless communication device is the antenna. The built-in antennas of digital TV products currently on the market are realized in the form of metal levers, and the antennas are connected to the circuit board through connectors. However, the antenna structure as such often has the following disadvantages. First of all, the operating frequency of a typical digital TV is between 470MHz and 870MHz, but the metal tie rod form 1 antenna, because its impedance bandwidth is not enough to cover enough digital video segments, and can not fully receive digital TV signals; secondly, In the process of operating the antenna in the form of a metal tie rod, the action of rotating and pulling the antenna first is not only inconvenient, but after a period of use, the connector is fatigued and loses friction. The antenna is not easily fixed at a specific The location. It can be seen that a digital television receiving antenna device which is more convenient and can completely cover the digital television frequency band is needed to enhance the convenience of wireless operation. 201214871 [Invention] Therefore, an object of the present invention is to provide an antenna device, and By adjusting the matching state of the antenna by the cover, the efficiency and quality of receiving the digital television signal are improved. One aspect of the present invention provides an antenna device including a housing and an antenna. The housing includes an upper cover and a lower cover. The antenna is disposed in the housing and includes a metal conductor, a circuit board, a matching circuit, and a wire. The metal conductor is disposed in the upper cover. The circuit board is disposed in the lower cover and has a ground connection of φ. The matching circuit is formed on the circuit board and includes a first metal member, a second metal member, and a capacitor. The second metal member has a signal feed point, and a gap is formed between the second metal member and the first metal member. The capacitor is disposed on the gap and electrically connected to the first metal member and the second metal member. The wire is electrically connected to the metal member of the first metal member and the upper cover. According to an embodiment of the invention, the signal feed point is for receiving a digital television band of 470 MHz to 870 MHz. According to an embodiment of the invention, the housing further includes a pivot, pivoting the upper cover and the lower cover. According to an embodiment of the invention, the antenna further includes a metal rotating shaft disposed in the pivot and electrically connecting the metal conductor and the ground layer. According to an embodiment of the invention, the metal conductor has a rectangular appearance. According to an embodiment of the invention, the capacitor is a wafer capacitor and the capacitance is between lpF and 2pF. According to an embodiment of the invention, the first metal member and the second metal member are printed traces on the circuit board. According to an embodiment of the invention, the first metal member has an annular shape and the second metal member has a rectangular appearance. According to an embodiment of the invention, the wire includes a first end and a second end electrically connected to the metal conductor and the first metal member, respectively, and the first end and the second end each have an annular appearance. According to an embodiment of the invention, at least one communication module is further formed on the circuit board. According to an embodiment of the invention, the slot line is further disposed on the metal conductor, and the capacitance of the chip capacitor is 50 pF or more. • The invention also provides an antenna device comprising a housing and an antenna. The housing includes an upper cover and a lower cover. The antenna is disposed in the housing and includes a metal conductor, a circuit board, a matching circuit, and a wire. The metal conductor is placed in the upper cover. The circuit board is disposed in the lower cover and has a ground layer. The matching circuit is formed on the circuit board and includes a first metal member, a second metal member, and a capacitor. The second metal member has a signal feed point, and a gap is formed between the second metal member and the first metal member. The capacitor is disposed on the gap and electrically connected to the first metal member and the second metal member. The wire is electrically connected to the metal member of the first metal member and the upper cover. In addition, the antenna device further includes two parallel metal plates which are respectively disposed in parallel on both sides of the circuit board. A plurality of metal shrapnel are disposed between the circuit board and the parallel metal plate. The metal dome is used to electrically connect the circuit board to the parallel metal plate. [Embodiment] In order to make the description of the present invention more complete and complete, reference is made to the accompanying drawings and the accompanying drawings. On the other hand, well-known components and steps are not described
[S 201214871 述於實施例中，以避免造成本發明不必要的限制。 請參照第1A圖，其繪示依照本發明一實施例之一種 天線裝置的俯視圖。如第1A圖所示，一種天線裝置100 包含一殼體200、一天線300 〇殼體200包含一上蓋210與 一下蓋220。天線300設置於殼體200中，並包含一金屬 導體310、一電路板320、一匹配電路330以及一導線340。 然而，由於天線300係為天線裝置100之内部元件，所以 於第1A圖中，皆是一虛線來予以標示說明。 • 請繼續參照第1A圖。金屬導體310設置於上蓋210 中。電路板320設置於下蓋220中且具有一接地層322。 匹配電路330形成於電路板320上，且包含一第一金屬件 331、一第二金屬件332以及一電容333。第二金屬件332 具有一訊號饋入點334，且第二金屬件332與第一金屬件 331之間形成一間隙335。電容333設置於間隙335上，並 電性連接第一金屬件331與第二金屬件332。導線340則 電性連接第一金屬件331與金屬導體310。 • 更進一步來說，天線300透過金屬導體31〇來予以接 收外部數位電視訊號’而其數位電視訊號頻段介於47〇MHz 到870MHz之間；接著，再經由導線34〇將訊號傳輸至匹 配電路330中，從而有效提升天線3〇〇的操作頻寬，致使 愈趨完善地接收數位電視訊號。 在一實施例中，金屬導體31〇具有一矩形外觀，如第 1A圖所示，其尺寸大小可約為9公分乘5 4公分。然而， 本發明中之金屬導體310之外觀並不以此為限，亦;Γ為多 邊形而具有更充裕的設計彈性。 201214871 請同時參照第1A圖與第1B圖，其中第1B圖係繪示 第1A圖中之天線裝置1 〇〇的侧視圖。如圖所示，殼體2〇〇 更包含一樞軸230，框接上蓋210與下蓋220，其中上蓋 210與下蓋220形成一夾角0，且夾角0範圍為〇度至ι8〇 度。因此，藉由樞軸230之機構連接方式，提供天線裝置 100 —掀轉之自由度，即可藉由調整夾角0之角度值，以調 整天線300的匹配狀態’進而使其具有較佳之天線輻射場 形與輻射效率。更甚者，樞軸230可設計以使上蓋210與 φ 下蓋220卡固於一特定角度，例如夾角0呈90度或150度 等。 再者，天線300更包含一金屬轉軸350，設置於樞軸 230中，且電性連接金屬導體310與接地層332。金屬轉軸 350包含一第一連接部351與一第二連接部352,用以分別 連接金屬導體310與接地層332。另外，雖然本實施例中 之接地層332係設置形成於電路板320上，惟熟習此技藝 者，將確切明暸到上述之接地層332亦可設置於電路板320 φ 之内層或底面。 接著，請同時參照第1A圖與第1C圖，其中第1C圖 係繪示第1A圖中之匹配電路330。其中第一金屬件331， 第二金屬件332與訊號饋入點334為金屬材質，其餘空間 為介質。如圖所示，於一實施例中，第一金屬件331與第 二金屬件332皆為電路板320上的印刷走線。然而，第一 金屬件331與第二金屬件332亦可利用蝕刻技術方式形成 於電路板上。於另一實施例中，第一金屬件331具有一環 狀外觀，而第二金屬件332具有一矩形外觀，並且第二金 201214871 ，以滿足阻抗 屬件332可藉由改變其外觀形狀與面積大小 匹配。 此外於另一實施例中，配置於一間隙335上的電容 333可為阳片電容，且其電容值介於lpF至2pF之間， 以電性連接第-金屬件331與第二金屬件332，致使匹配 電路330於操作頻段中，具有較佳之阻抗匹配。 請同時參照第1A圖與第1〇圖，其中第11)圖係繪示 第1A圖中之導線34〇。於一實施例中，導線包含一第 一端341與一第二端342，分別電性連接金屬導體31〇與 第一金屬件331，且第一端341與第二端342皆具有一環 狀外觀。然而’如第1A圖所示，導線340之第二端342 與第一金屬件331具有相同之孔徑大小，再藉由固定件（未 繪示）’例如螺絲等，予以固定連接在電路板32〇上。 另外，於再一實施例中，天線裝置100更包含至少一 通訊模組400形成於電路板上’且電性連接至訊號饋入點 334。如此將得以透過將天線裝置1〇〇連接一顯示裝置，即 可進行數位電視收視與觀看。 請參照第2圖與第3圖，第2圖係繪示依照第ία圖 之天線裝置1〇〇於其夾角θ呈90度時的乳數據量測值；第 3圖係繪示依照第1A圖之天線裝置100於其夾角0呈150 度時的心數據量測值。其中’心參數係代表反射損失(Return Loss)。藉由圖中量測數據所示之反射損失可知，當上蓋210 與下蓋220之間的夾角θ越大時，其天線300之接收頻段則 對應往低頻偏移’因而可端視其使用所在地之電視訊號頻 率，以適切地藉由此掀轉之自由度’致使提T%於接收訊號 201214871 過程中的輻射效率及效能。 接著請參照第4圖，此為本發明另一實施例之天線的 俯視圖。此實施例中，為了簡潔說明’與前述實施例相同 之部分不再贅述。本實施例於金屬導體310上更設置有槽 線510。槽線510可視為天線的另一種形式，而電容值於 此實施例中設計為50pF以上致使匹配電路於操作頻段 中’具有較佳的阻抗匹配。請同時參照第5圖，此圖繪示 本實施例之天線於夾角0呈150度時的心數據量測值。由圖 φ 中可知在相同角度下’本實施例較前述之實施例於470MHz 到870MHz頻段有更加的匹配效果。 於本實施例中，金屬轉軸350電性連接金屬導體31〇 與接地層。然，於其他實施例中，除槽線51〇外金屬轉轴 350可僅電性連接於金屬導體，而無電性連接至接地層。 此時’電谷值依然設定為5OpF以上，但可針對實際設計調 整電容值’以取得最佳的匹配狀態。 接著請同時參照第6A圖與第6B圖。第6A圖與第6B φ 圖分別為天線裝置具有電路板部分的正視與侧視圖。為了 使天線裝置能夠有更好的收訊程度’本實施例更於電路板 320的上下兩侧分別平行設置有第一平行金屬板52〇與第 二平行金屬板530。而平行金屬板520、530與電路板320 間設置有金屬彈片540 ’以連接平行金屬板520、530與電 路板320。藉由平行金屬板52〇、530的設置，可以隔絕外 界的雜訊’並增加散熱面積，讓天線裝置能夠有更佳的收 訊能力。 雖然本發明已以實施方式揭露如上，然其並非用以限 201214871 定本發明，任何熟習此技藝者，在不脫離本發明之精神和 範圍内，當可作各種之更動與潤飾，因此本發明之保護範 圍當視後附之申請專利範圍所界定者為準。 【圖式簡單說明】 為讓本發明之上述和其他目的、特徵、優點與實施例 能更明顯易懂，所附圖式之說明如下： 第1A圖係繪示依照本發明一實施例之一種天線裝置 • 的俯視圖。 第1B圖係繪示第1A圖中之天線裝置的側視圖。 第1C圖係繪示第1A圖中之匹配電路。 第1D圖係繪示第1A圖中之導線。 第2圖係繪示依照第1A圖之天線裝置於其夾角0呈90 度時的4數據量測值。 第3圖係繪示依照第1A圖之天線裝置於其夾角0呈 150度時的心數據量測值。 ® 第4圖係繪示依照本發明另一實施例之一種天線裝置 的俯視圖。 第5圖係繪示依照第4圖之天線裝置於其夾角0呈150 度時的4數據量測值。 第6A圖係繪示依照本發明再一實施例之一種天線裝 置具有電路板部分的正視圖。 第6B圖係繪示依照本發明再一實施例之一種天線裝 置具有電路板部分的侧視圖。 201214871 【主要元件符號說明】 100 :天線裝置 332 200 :殼體 333 210 :上蓋 334 220 :下蓋 335 230 :樞軸 340 300 :天線 341 310 :金屬導體 342 320 :電路板 350 322 :接地層 351 330 :匹配電路 352 331 :第一金屬件 400 510 :槽線 520 530 :第二平行金屬板 540 第二金屬件 電容 訊號饋入點 間隙 導線 第一端 第二端 金屬轉軸 第一連接部 第二連接部 通訊模組 第一平行金屬板 金屬彈片 12[S 201214871 is described in the examples to avoid unnecessary limitations of the invention. Referring to FIG. 1A, a top view of an antenna device in accordance with an embodiment of the present invention is shown. As shown in FIG. 1A, an antenna device 100 includes a housing 200 and an antenna 300. The housing 200 includes an upper cover 210 and a lower cover 220. The antenna 300 is disposed in the housing 200 and includes a metal conductor 310, a circuit board 320, a matching circuit 330, and a wire 340. However, since the antenna 300 is an internal component of the antenna device 100, it is indicated by a broken line in Fig. 1A. • Please continue to refer to Figure 1A. The metal conductor 310 is disposed in the upper cover 210. The circuit board 320 is disposed in the lower cover 220 and has a ground layer 322. The matching circuit 330 is formed on the circuit board 320 and includes a first metal member 331, a second metal member 332, and a capacitor 333. The second metal member 332 has a signal feed point 334, and a gap 335 is formed between the second metal member 332 and the first metal member 331. The capacitor 333 is disposed on the gap 335 and electrically connected to the first metal member 331 and the second metal member 332. The wire 340 is electrically connected to the first metal member 331 and the metal conductor 310. • Further, the antenna 300 receives the external digital television signal through the metal conductor 31〇 and the digital television signal frequency band is between 47〇MHz and 870MHz; then, the signal is transmitted to the matching circuit via the wire 34〇. In 330, the operating bandwidth of the antenna 3〇〇 is effectively increased, so that the digital television signal is received more and more perfect. In one embodiment, the metal conductor 31 has a rectangular appearance, as shown in Figure 1A, which may be about 9 cm by 5 4 cm in size. However, the appearance of the metal conductor 310 in the present invention is not limited thereto, and the Γ is a polygonal shape and has a more sufficient design flexibility. 201214871 Please refer to FIG. 1A and FIG. 1B at the same time, wherein FIG. 1B is a side view showing the antenna device 1 第 in FIG. 1A. As shown, the housing 2 further includes a pivot 230 that is coupled to the upper cover 210 and the lower cover 220. The upper cover 210 and the lower cover 220 form an angle of 0, and the angle 0 ranges from 1 to 8 degrees. Therefore, by the mechanism connection of the pivot 230, the degree of freedom of the antenna device 100 can be provided, and the angle of the angle 0 can be adjusted to adjust the matching state of the antenna 300 to further optimize the antenna radiation. Field shape and radiation efficiency. Moreover, the pivot 230 can be designed to engage the upper cover 210 and the φ lower cover 220 at a specific angle, for example, the angle 0 is 90 degrees or 150 degrees. Furthermore, the antenna 300 further includes a metal rotating shaft 350 disposed in the pivot 230 and electrically connected to the metal conductor 310 and the ground layer 332. The metal rotating shaft 350 includes a first connecting portion 351 and a second connecting portion 352 for respectively connecting the metal conductor 310 and the ground layer 332. In addition, although the ground layer 332 in this embodiment is disposed on the circuit board 320, it will be apparent to those skilled in the art that the ground layer 332 may be disposed on the inner or bottom surface of the circuit board 320 φ. Next, please refer to FIG. 1A and FIG. 1C simultaneously, wherein FIG. 1C shows the matching circuit 330 in FIG. 1A. The first metal member 331, the second metal member 332 and the signal feeding point 334 are made of metal, and the remaining space is a medium. As shown, in one embodiment, the first metal member 331 and the second metal member 332 are printed traces on the circuit board 320. However, the first metal member 331 and the second metal member 332 may also be formed on the circuit board by etching. In another embodiment, the first metal member 331 has an annular appearance, and the second metal member 332 has a rectangular appearance, and the second gold 201214871 to satisfy the impedance member 332 can be changed by its appearance shape and area. Size matching. In another embodiment, the capacitor 333 disposed on a gap 335 can be a positive-capacitor capacitor and has a capacitance value between lpF and 2 pF to electrically connect the first metal member 331 and the second metal member 332. The matching circuit 330 is caused to have better impedance matching in the operating frequency band. Please refer to FIG. 1A and FIG. 1 at the same time, wherein the eleventh figure shows the wire 34〇 in FIG. 1A. In one embodiment, the wire includes a first end 341 and a second end 342 electrically connected to the metal conductor 31 and the first metal member 331 respectively, and the first end 341 and the second end 342 each have a ring shape. Exterior. However, as shown in FIG. 1A, the second end 342 of the wire 340 has the same aperture size as the first metal member 331, and is fixedly connected to the circuit board 32 by a fixing member (not shown) such as a screw or the like. 〇上. In addition, in another embodiment, the antenna device 100 further includes at least one communication module 400 formed on the circuit board ′ and electrically connected to the signal feeding point 334. This will enable digital television viewing and viewing by connecting the antenna device 1 to a display device. Please refer to FIG. 2 and FIG. 3 , and FIG. 2 is a diagram showing the measured data of the milk data when the antenna device 1 according to the FIG. 1 is at an angle θ of 90 degrees; FIG. 3 is a diagram showing the first aspect according to the first embodiment. The heart data measurement value of the antenna device 100 of the figure is 150 degrees at an angle of 0. Where the 'heart parameter' represents the Return Loss. It can be seen from the reflection loss indicated by the measured data in the figure that when the angle θ between the upper cover 210 and the lower cover 220 is larger, the receiving frequency band of the antenna 300 corresponds to the low frequency offset, and thus the location of the use can be viewed. The frequency of the television signal, in order to properly adjust the degree of freedom of the 'transfer', the radiation efficiency and efficiency in the process of receiving the signal 201214871. Next, please refer to Fig. 4, which is a plan view of an antenna according to another embodiment of the present invention. In this embodiment, the same portions as those of the foregoing embodiment will not be described again for the sake of brevity. In this embodiment, the metal conductor 310 is further provided with a groove line 510. The slot line 510 can be considered as another form of antenna, and the capacitance value is designed to be 50 pF or more in this embodiment so that the matching circuit has better impedance matching in the operating band. Please refer to FIG. 5 at the same time, which shows the measured value of the heart data when the antenna of the embodiment is at an angle of 150 degrees. It can be seen from the figure φ that the present embodiment has a more matching effect in the frequency band of 470 MHz to 870 MHz than the foregoing embodiment. In this embodiment, the metal shaft 350 is electrically connected to the metal conductor 31 〇 and the ground layer. However, in other embodiments, the metal rotating shaft 350 may be electrically connected only to the metal conductor except for the slot line 51, and is electrically connected to the ground layer. At this time, the 'electrical valley value is still set to 5OpF or more, but the capacitance value can be adjusted for the actual design to achieve the best matching state. Please refer to Figures 6A and 6B at the same time. Fig. 6A and Fig. 6B are respectively a front view and a side view of the antenna device having a circuit board portion. In order to enable the antenna device to have a better degree of reception, the first parallel metal plate 52 and the second parallel metal plate 530 are disposed in parallel with each other on the upper and lower sides of the circuit board 320. A metal dome 540' is disposed between the parallel metal plates 520, 530 and the circuit board 320 to connect the parallel metal plates 520, 530 and the circuit board 320. By the arrangement of the parallel metal plates 52, 530, the external noise can be isolated and the heat dissipation area can be increased, so that the antenna device can have better reception capability. The present invention has been disclosed in the above embodiments, but it is not intended to limit the invention. It is to be understood that those skilled in the art can make various modifications and refinements without departing from the spirit and scope of the invention. The scope of protection is subject to the definition of the scope of the patent application attached. BRIEF DESCRIPTION OF THE DRAWINGS The above and other objects, features, advantages and embodiments of the present invention will become more <RTIgt; Top view of the antenna unit •. Fig. 1B is a side view showing the antenna device of Fig. 1A. Figure 1C shows the matching circuit in Figure 1A. Figure 1D shows the wire in Figure 1A. Fig. 2 is a diagram showing the measured value of 4 data when the antenna device according to Fig. 1A is at an angle of 90 degrees. Fig. 3 is a diagram showing the measured value of the heart data when the antenna device according to Fig. 1A is 150 degrees at an angle of 0. ® Fig. 4 is a plan view showing an antenna device in accordance with another embodiment of the present invention. Figure 5 is a graph showing the data measured by the antenna device according to Fig. 4 at a temperature of 150 degrees. Fig. 6A is a front elevational view showing an antenna device having a circuit board portion in accordance with still another embodiment of the present invention. Figure 6B is a side elevational view of an antenna device having a circuit board portion in accordance with still another embodiment of the present invention. 201214871 [Description of main component symbols] 100: Antenna device 332 200: Housing 333 210: Upper cover 334 220: Lower cover 335 230: Pivot 340 300: Antenna 341 310: Metal conductor 342 320: Circuit board 350 322: Ground layer 351 330: matching circuit 352 331: first metal member 400 510: slot line 520 530: second parallel metal plate 540 second metal member capacitor signal feeding point gap wire first end second end metal shaft first connecting portion second Connection part communication module first parallel metal plate metal shrapnel 12