TWM553500U - Mobile device - Google Patents
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- TWM553500U TWM553500U TW106211646U TW106211646U TWM553500U TW M553500 U TWM553500 U TW M553500U TW 106211646 U TW106211646 U TW 106211646U TW 106211646 U TW106211646 U TW 106211646U TW M553500 U TWM553500 U TW M553500U
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Abstract
Description
本創作係關於一種行動裝置，特別係關於根據一種行動裝置及其天線結構。 This creation relates to a mobile device, in particular to a mobile device and its antenna structure.
隨著行動通訊技術的發達，行動裝置在近年日益普遍，常見的例如：手提式電腦、行動電話、多媒體播放器以及其他混合功能的攜帶型電子裝置。為了滿足人們的需求，行動裝置通常具有無線通訊的功能。有些涵蓋長距離的無線通訊範圍，例如：行動電話使用2G、3G、LTE(Long Term Evolution)系統及其所使用700MHz、850MHz、900MHz、1800MHz、1900MHz、2100MHz、2300MHz、2500MHz以及2700MHz的頻帶進行通訊，而有些則涵蓋短距離的無線通訊範圍，例如：Wi-Fi、Bluetooth系統使用2.4GHz、5.2GHz和5.8GHz的頻帶進行通訊。 With the development of mobile communication technologies, mobile devices have become more and more popular in recent years, such as portable computers, mobile phones, multimedia players, and other portable electronic devices with mixed functions. In order to meet people's needs, mobile devices usually have the function of wireless communication. Some cover long-range wireless communication range. For example, mobile phones use 2G, 3G, LTE (Long Term Evolution) systems and their 700MHz, 850MHz, 900MHz, 1800MHz, 1900MHz, 2100MHz, 2300MHz, 2500MHz and 2700MHz bands for communication. And some cover short-range wireless communication range, for example: Wi-Fi, Bluetooth systems use 2.4GHz, 5.2GHz and 5.8GHz frequency band for communication.
為了追求造型美觀，現今設計者常會在行動裝置中加入金屬元件之要素。然而，新增之金屬元件卻容易對於行動裝置中支援無線通訊之天線產生負面影響，進而降低行動裝置之整體通訊品質。因此，有必要提出一種全新之行動裝置和天線結構，以克服傳統技術所面臨之問題。 In order to pursue a beautiful appearance, today's designers often add elements of metal components to mobile devices. However, the added metal components are likely to have a negative impact on the antennas that support wireless communication in mobile devices, thereby reducing the overall communication quality of the mobile device. Therefore, it is necessary to propose a new mobile device and antenna structure to overcome the problems faced by traditional technologies.
在較佳實施例中，本創作提供一種行動裝置，包括：一金屬機構元件，具有一槽孔；一接地面，耦接至該金屬機構元件；一饋入部，耦接至一信號源，其中該饋入部係延伸跨越該槽孔；一第一輻射部，耦接至該饋入部，其中該第一輻射部係延伸跨越該槽孔之至少一部份；一第一連接部，耦接至該饋入部和該接地面；一第二連接部，耦接至該第一連接部；一第二輻射部，經由該第二連接部和該第一連接部耦接至該饋入部；一第三輻射部，耦接至該第一連接部；一第四輻射部，耦接至該饋入部和該接地面；一第五輻射部，耦接至該第二連接部和該第二輻射部，其中該第五輻射部係與該第二輻射部朝相反方向作延伸；一短路部，耦接於該第二連接部和該接地面之間；以及一介質基板，其中該接地面、該饋入部、該第一輻射部、該第二輻射部、該第三輻射部、該第四輻射部、該第五輻射部、該第一連接部、該第二連接部，以及該短路部皆設置於該介質基板上；其中該饋入部、該第一輻射部、該第二輻射部、該第三輻射部、該第四輻射部、該第五輻射部、該第一連接部、該第二連接部、該短路部，以及該金屬機構元件之該槽孔係共同形成一天線結構。 In a preferred embodiment, the present invention provides a mobile device comprising: a metal mechanism component having a slot; a ground plane coupled to the metal mechanism component; and a feed component coupled to a signal source, wherein The feeding portion extends across the slot; a first radiating portion is coupled to the feeding portion, wherein the first radiating portion extends across at least a portion of the slot; a first connecting portion is coupled to a feeding portion and the grounding surface; a second connecting portion coupled to the first connecting portion; a second radiating portion coupled to the feeding portion via the second connecting portion and the first connecting portion; a third radiating portion coupled to the first connecting portion; a fourth radiating portion coupled to the feeding portion and the grounding surface; a fifth radiating portion coupled to the second connecting portion and the second radiating portion The fifth radiating portion and the second radiating portion extend in opposite directions; a shorting portion coupled between the second connecting portion and the grounding surface; and a dielectric substrate, wherein the grounding surface, the Feeding portion, the first radiating portion, the second radiating portion, the third radiation The fourth radiating portion, the fifth radiating portion, the first connecting portion, the second connecting portion, and the shorting portion are all disposed on the dielectric substrate; wherein the feeding portion, the first radiating portion, the first portion The second radiating portion, the third radiating portion, the fourth radiating portion, the fifth radiating portion, the first connecting portion, the second connecting portion, the shorting portion, and the slot of the metal mechanism component are formed together An antenna structure.
在一些實施例中，該槽孔為一L字形開口槽孔，具有一開口端和一閉口端。 In some embodiments, the slot is an L-shaped open slot having an open end and a closed end.
在一些實施例中，該天線結構涵蓋一低頻頻帶、一第一高頻頻帶，以及一第二高頻頻帶，該低頻頻帶約介於700MHz至960MHz之間，該第一高頻頻帶約介於1700MHz至2400MHz之間，而該第二高頻頻帶約介於2500MHz至2900MHz 之間。 In some embodiments, the antenna structure includes a low frequency band, a first high frequency band, and a second high frequency band, the low frequency band being between about 700 MHz and 960 MHz, the first high frequency band being approximately Between 1700MHz and 2400MHz, and the second high frequency band is between 2500MHz and 2900MHz between.
在一些實施例中，該槽孔之長度大致等於該低頻頻帶之0.25倍波長。 In some embodiments, the length of the slot is approximately equal to 0.25 times the wavelength of the low frequency band.
在一些實施例中，該饋入部和該第一輻射部之總長度大致等於該低頻頻帶之0.5倍波長。 In some embodiments, the total length of the feed portion and the first radiating portion is substantially equal to 0.5 times the wavelength of the low frequency band.
在一些實施例中，該第一連接部、該第二連接部，以及該第二輻射部之總長度大致等於該低頻頻帶之0.5倍波長。 In some embodiments, the total length of the first connection portion, the second connection portion, and the second radiation portion is substantially equal to 0.5 times the wavelength of the low frequency band.
在一些實施例中，該第一連接部和該第三輻射部之總長度大致等於該低頻頻帶之0.25倍波長。 In some embodiments, the total length of the first connection portion and the third radiation portion is substantially equal to 0.25 times the wavelength of the low frequency band.
在一些實施例中，該第四輻射部之長度和該饋入部之長度皆大致等於該第一高頻頻帶之0.25倍波長。 In some embodiments, the length of the fourth radiating portion and the length of the feeding portion are both approximately equal to 0.25 times the wavelength of the first high frequency band.
在一些實施例中，該第一連接部、該第二連接部，以及該第五輻射部之總長度大致等於該第一高頻頻帶之0.5倍波長。 In some embodiments, the total length of the first connection portion, the second connection portion, and the fifth radiation portion is substantially equal to 0.5 times the wavelength of the first high frequency band.
在一些實施例中，該行動裝置更包括：一第一調整部，耦接至該第一輻射部；一第二調整部，耦接至該第四輻射部；一第三調整部，耦接至該第一連接部，其中該第三調整部係設置於該第一連接部和該第三輻射部所界定出之一缺口內；一第四調整部，耦接至該第一連接部，其中該第四調整部和該第三調整部係朝相反方向作延伸；以及一第五調整部，耦接至該第二連接部，其中該第五調整部係設置於該短路部和該第五輻射部之間。 In some embodiments, the mobile device further includes: a first adjusting portion coupled to the first radiating portion; a second adjusting portion coupled to the fourth radiating portion; and a third adjusting portion coupled To the first connecting portion, wherein the third adjusting portion is disposed in a notch defined by the first connecting portion and the third radiating portion; and a fourth adjusting portion coupled to the first connecting portion, The fourth adjustment portion and the third adjustment portion extend in opposite directions; and a fifth adjustment portion coupled to the second connection portion, wherein the fifth adjustment portion is disposed on the short circuit portion and the first Between the five radiation departments.
100、500‧‧‧行動裝置 100, 500‧‧‧ mobile devices
110‧‧‧金屬機構元件 110‧‧‧Metal mechanism components
111‧‧‧金屬機構元件之邊緣 111‧‧‧The edge of the metalwork components
120‧‧‧槽孔 120‧‧‧ slots
121‧‧‧第二槽孔之開口端 121‧‧‧Open end of the second slot
122‧‧‧第二槽孔之閉口端 122‧‧‧Closed end of the second slot
140‧‧‧接地面 140‧‧‧ Ground plane
150‧‧‧饋入部 150‧‧‧Feeding Department
151‧‧‧饋入部之第一端 151‧‧ ‧ the first end of the feeding department
152‧‧‧饋入部之第二端 152‧‧ ‧ the second end of the feeding department
160‧‧‧第一連接部 160‧‧‧First connection
161‧‧‧第一連接部之第一端 161‧‧‧The first end of the first connection
162‧‧‧第一連接部之第二端 162‧‧‧The second end of the first connection
170‧‧‧第二連接部 170‧‧‧Second connection
171‧‧‧第二連接部之第一端 171‧‧‧The first end of the second connection
172‧‧‧第二連接部之第二端 172‧‧‧second end of the second connection
180‧‧‧介質基板 180‧‧‧Media substrate
190‧‧‧信號源 190‧‧‧Signal source
210‧‧‧第一輻射部 210‧‧‧First Radiation Department
211‧‧‧第一輻射部之第一端 211‧‧‧ First end of the first radiation department
212‧‧‧第一輻射部之第二端 212‧‧‧The second end of the first radiation department
215‧‧‧第一輻射部之S字形部份 215‧‧‧S-shaped part of the first radiation department
220‧‧‧第二輻射部 220‧‧‧Second Radiation Department
221‧‧‧第二輻射部之第一端 221‧‧‧ First end of the second radiation department
222‧‧‧第二輻射部之第二端 222‧‧‧ second end of the second radiation department
225‧‧‧第二輻射部之U字形部份 225‧‧‧ U-shaped part of the second radiation department
230‧‧‧第三輻射部 230‧‧‧ Third Radiation Department
231‧‧‧第三輻射部之第一端 231‧‧‧ First end of the third radiation department
232‧‧‧第三輻射部之第二端 232‧‧‧ second end of the third radiation department
240‧‧‧第四輻射部 240‧‧‧Fourth Radiation Department
241‧‧‧第四輻射部之第一端 241‧‧‧ First end of the fourth radiation department
242‧‧‧第四輻射部之第二端 242‧‧‧ the second end of the fourth radiation department
250‧‧‧第五輻射部 250‧‧‧ Fifth Radiation Department
251‧‧‧第五輻射部之第一端 251‧‧‧ the first end of the fifth radiation department
252‧‧‧第五輻射部之第二端 252‧‧‧second end of the fifth radiation department
260‧‧‧短路部 260‧‧‧ Short circuit
261‧‧‧短路部之第一端 261‧‧‧The first end of the short circuit
262‧‧‧短路部之第二端 262‧‧‧The second end of the short circuit
265‧‧‧短路部之矩形加寬部份 265‧‧‧Rectangular widening of the short circuit
471‧‧‧第一調整部 471‧‧‧First Adjustment Department
472‧‧‧第二調整部 472‧‧‧Second Adjustment Department
473‧‧‧第三調整部 473‧‧‧ Third Adjustment Department
474‧‧‧第四調整部 474‧‧‧ Fourth Adjustment Department
475‧‧‧第五調整部 475‧‧‧ Fifth Adjustment Department
477‧‧‧缺口 477‧‧ ‧ gap
503‧‧‧第一位置 503‧‧‧ first position
504‧‧‧筆記型電腦之轉軸 504‧‧‧The hinge of the notebook computer
510‧‧‧筆記型電腦之上蓋外殼 510‧‧‧Note computer cover
520‧‧‧筆記型電腦之螢幕邊框 520‧‧‧Note screen border of notebook computer
523‧‧‧第二位置 523‧‧‧second position
E1‧‧‧介質基板之第一表面 The first surface of the E1‧‧• dielectric substrate
E2‧‧‧介質基板之第二表面 E2‧‧‧ second surface of the dielectric substrate
FBL‧‧‧低頻頻帶 FBL‧‧‧Low frequency band
FBH1‧‧‧第一高頻頻帶 FBH1‧‧‧ first high frequency band
FBH2‧‧‧第二高頻頻帶 FBH2‧‧‧second high frequency band
L1‧‧‧長度 L1‧‧‧ length
W1‧‧‧寬度 W1‧‧‧Width
第1A圖係顯示根據本創作一實施例所述之行動裝置之透視圖；第1B圖係顯示根據本創作一實施例所述之行動裝置之下層部份之示意圖；第1C圖係顯示根據本創作一實施例所述之行動裝置之上層部份之示意圖；第1D圖係顯示根據本創作一實施例所述之行動裝置之剖面圖；第2圖係顯示根據本創作一實施例所述之行動裝置之天線結構之返回損失圖；第3圖係顯示根據本創作一實施例所述之行動裝置之天線結構之天線效率圖；第4圖係顯示根據本創作另一實施例所述之行動裝置之透視圖；第5A圖係顯示根據本創作一實施例所述之行動裝置之示意圖；以及第5B圖係顯示根據本創作另一實施例所述之行動裝置之示意圖。 1A is a perspective view showing a mobile device according to an embodiment of the present invention; FIG. 1B is a schematic view showing a lower portion of a mobile device according to an embodiment of the present invention; FIG. 1D is a cross-sectional view showing a mobile device according to an embodiment of the present invention; FIG. 2 is a cross-sectional view showing a mobile device according to an embodiment of the present invention; Return loss map of the antenna structure of the mobile device; FIG. 3 is an antenna efficiency diagram of the antenna structure of the mobile device according to an embodiment of the present invention; and FIG. 4 is a view showing an action according to another embodiment of the present creation A perspective view of the device; FIG. 5A is a schematic view showing a mobile device according to an embodiment of the present invention; and FIG. 5B is a schematic view showing a mobile device according to another embodiment of the present creative.
為讓本創作之目的、特徵和優點能更明顯易懂，下文特舉出本創作之具體實施例，並配合所附圖式，作詳細說明如下。 In order to make the purpose, the features and the advantages of the present invention more obvious and obvious, the specific embodiments of the present invention are described below, and the drawings are described in detail below.
在說明書及申請專利範圍當中使用了某些詞彙來 指稱特定的元件。本領域技術人員應可理解，硬體製造商可能會用不同的名詞來稱呼同一個元件。本說明書及申請專利範圍並不以名稱的差異來作為區分元件的方式，而是以元件在功能上的差異來作為區分的準則。在通篇說明書及申請專利範圍當中所提及的「包含」及「包括」一詞為開放式的用語，故應解釋成「包含但不僅限定於」。「大致」一詞則是指在可接受的誤差範圍內，本領域技術人員能夠在一定誤差範圍內解決所述技術問題，達到所述基本之技術效果。此外，「耦接」一詞在本說明書中包含任何直接及間接的電性連接手段。因此，若文中描述一第一裝置耦接至一第二裝置，則代表該第一裝置可直接電性連接至該第二裝置，或經由其它裝置或連接手段而間接地電性連接至該第二裝置。 Some words are used in the specification and patent application scope. Refers to a specific component. Those skilled in the art will appreciate that a hardware manufacturer may refer to the same component by a different noun. The scope of the present specification and the patent application do not use the difference in the name as the means for distinguishing the elements, but the difference in function of the elements as the criterion for distinguishing. The words "including" and "including" as used throughout the specification and patent application are open-ended terms and should be interpreted as "including but not limited to". The term "substantially" means that within the acceptable error range, those skilled in the art will be able to solve the technical problems within a certain error range to achieve the basic technical effects. In addition, the term "coupled" is used in this specification to include any direct and indirect electrical connection means. Therefore, if a first device is coupled to a second device, the first device can be directly electrically connected to the second device, or indirectly connected to the second device via other devices or connection means. Two devices.
第1A圖係顯示根據本創作一實施例所述之行動裝置100之透視圖。第1B圖係顯示根據本創作一實施例所述之行動裝置100之下層部份之示意圖。第1C圖係顯示根據本創作一實施例所述之行動裝置100之上層部份之示意圖。第1D圖係顯示根據本創作一實施例所述之行動裝置100之剖面圖。請一併參考第1A、1B、1C、1D圖。行動裝置100可以是一智慧型手機(Smart Phone)、一平板電腦(Tablet Computer)，或是一筆記型電腦(Notebook Computer)。在第1A、1B、1C、1D圖之實施例中，行動裝置100包括：一金屬機構元件(Metal Mechanism Element)110、一接地面(Ground Plane)140、一饋入部(Feeding Element)150、一第一連接部(Connection Element)160、一第二連接部170、一介質基板(Dielectric Substrate)180、一第一輻射 部(Radiation Element)210、一第二輻射部220、一第三輻射部230、一第四輻射部240、一第五輻射部250，以及一短路部(Shorting Element)260。必須理解的是，雖然未顯示於第1A、1B、1C、1D圖中，但實際上行動裝置100更可包括其他元件，例如：一處理器(Processor)、一觸控面板(Touch Control Panel)、一揚聲器(Speaker)、一電池模組(Battery Module)，以及一外殼(Housing)。 Fig. 1A is a perspective view showing a mobile device 100 according to an embodiment of the present invention. FIG. 1B is a schematic diagram showing a lower portion of the mobile device 100 according to an embodiment of the present invention. 1C is a schematic diagram showing the upper layer portion of the mobile device 100 according to an embodiment of the present invention. 1D is a cross-sectional view showing a mobile device 100 according to an embodiment of the present invention. Please refer to Figures 1A, 1B, 1C, and 1D together. The mobile device 100 can be a smart phone, a tablet computer, or a notebook computer. In the embodiment of the first embodiment, the mobile device 100 includes a metal mechanism element 110, a ground plane 140, a feeding element 150, and a feeding unit. a first connection portion (Connection Element) 160, a second connection portion 170, a dielectric substrate (Dielectric Substrate) 180, a first radiation A Radiation Element 210, a second radiating portion 220, a third radiating portion 230, a fourth radiating portion 240, a fifth radiating portion 250, and a shorting element 260. It should be understood that although not shown in the 1A, 1B, 1C, and 1D drawings, the mobile device 100 may further include other components, such as a processor and a touch control panel. , a speaker, a battery module, and a housing.
金屬機構元件110可為一金屬平板，而此金屬平板可為行動裝置100之一外觀元件(Appearance Element)。金屬機構元件110具有一槽孔(Slot)120，其中槽孔120可以大致為一L字形。例如，槽孔120之一部份可與金屬機構元件110之一邊緣111大致互相平行，而槽孔120之另一部份可與金屬機構元件110之邊緣111大致互相垂直。詳細而言，槽孔120為一開口槽孔(Open Slot)，其具有互相遠離之一開口端(Open End)121和一閉口端(Closed End)122，而槽孔120之開口端121係位於金屬機構元件110之邊緣111。 The metal mechanism component 110 can be a metal plate that can be an Appearance Element of the mobile device 100. The metal mechanism component 110 has a slot 120, wherein the slot 120 can be generally an L-shape. For example, a portion of the slot 120 can be substantially parallel to one edge 111 of the metal mechanism member 110, and another portion of the slot 120 can be substantially perpendicular to the edge 111 of the metal mechanism member 110. In detail, the slot 120 is an open slot having an open end 121 and a closed end 122 away from each other, and the open end 121 of the slot 120 is located The edge 111 of the metal mechanism element 110.
接地面140、饋入部150、第一連接部160、第二連接部170、第一輻射部210、第二輻射部220、第三輻射部230、第四輻射部240、第五輻射部250，以及短路部260皆由金屬材質所製成，例如：銅、銀、鋁、鐵，或是其合金。介質基板180可為一FR4(Flame Retardant 4)基板，或是一軟性印刷電路板(Flexible Printed Circuit Board，FPCB)。介質基板180可具有相對之一第一表面E1和一第二表面E2，其中接地面140、饋入部150、第一連接部160、第二連接部170、第一輻射部210、第 二輻射部220、第三輻射部230、第四輻射部240、第五輻射部250，以及短路部260皆設置於介質基板180之第一表面E1上，而介質基板180之第二表面E2可靠近或直接貼合於金屬機構元件110上(鄰近或接觸槽孔120)。 a ground plane 140, a feeding portion 150, a first connecting portion 160, a second connecting portion 170, a first radiating portion 210, a second radiating portion 220, a third radiating portion 230, a fourth radiating portion 240, and a fifth radiating portion 250, And the short-circuit portion 260 is made of a metal material such as copper, silver, aluminum, iron, or an alloy thereof. The dielectric substrate 180 can be a FR4 (Flame Retardant 4) substrate or a Flexible Printed Circuit Board (FPCB). The dielectric substrate 180 may have a first surface E1 and a second surface E2, wherein the ground plane 140, the feeding portion 150, the first connecting portion 160, the second connecting portion 170, the first radiating portion 210, and the The second radiating portion 220, the third radiating portion 230, the fourth radiating portion 240, the fifth radiating portion 250, and the shorting portion 260 are all disposed on the first surface E1 of the dielectric substrate 180, and the second surface E2 of the dielectric substrate 180 is Close to or directly attached to the metal mechanism component 110 (adjacent or in contact with the slot 120).
接地面140係耦接至金屬機構元件110，此二者可提供行動裝置100之一接地電位。例如，接地面140可為一接地銅箔(Ground Copper Foil)，其可由介質基板180上延伸至金屬機構元件110上。接地面140可與槽孔120之一邊緣互相貼齊，或可與槽孔120之一部份重疊。 The ground plane 140 is coupled to the metal mechanism component 110, which can provide a ground potential for the mobile device 100. For example, the ground plane 140 can be a ground copper foil that can be extended from the dielectric substrate 180 to the metal mechanism component 110. The ground plane 140 may be flush with one of the edges of the slot 120 or may partially overlap one of the slots 120.
饋入部150可以大致為一直條形。饋入部150具有一第一端151和一第二端152，其中饋入部150之第一端151係耦接至一信號源(Signal Source)190，而饋入部150之第二端152係延伸跨越金屬機構元件110之槽孔120。例如，饋入部150於金屬機構元件110上之一垂直投影(Vertical Projection)可跨越槽孔120之整個寬度W1。信號源190可為一射頻(Radio Frequency，RF)模組，能用於產生一發射信號或是處理一接收信號。 The feed portion 150 can be substantially straight. The feeding portion 150 has a first end 151 and a second end 152. The first end 151 of the feeding portion 150 is coupled to a signal source 190, and the second end 152 of the feeding portion 150 extends across Slot 120 of metal mechanism component 110. For example, one of the vertical projections of the feed portion 150 on the metal mechanism component 110 can span the entire width W1 of the slot 120. The signal source 190 can be a radio frequency (RF) module that can be used to generate a transmit signal or process a received signal.
第一輻射部210可以大致為一U字形。第一輻射部210具有一第一端211和一第二端212，其中第一輻射部210之第一端211係耦接至饋入部150之第二端152，而第一輻射部210之第二端212為一開路端並延伸跨越槽孔120之至少一部份。第一輻射部210之第二端212更朝靠近第四輻射部240之方向作延伸。例如，第一輻射部210於金屬機構元件110上之一垂直投影可跨越槽孔120之寬度W1之至少三分之一。第一輻射部210更可包 括蜿蜒之一S字形部份215，其係鄰近於第一輻射部210之第二端212。第一輻射部210之蜿蜒形狀有助於增加其等效共振長度並縮小其整體面積。 The first radiating portion 210 may be substantially U-shaped. The first radiating portion 210 has a first end 211 and a second end 212. The first end 211 of the first radiating portion 210 is coupled to the second end 152 of the feeding portion 150, and the first radiating portion 210 is The second end 212 is an open end and extends across at least a portion of the slot 120. The second end 212 of the first radiating portion 210 extends further toward the fourth radiating portion 240. For example, a vertical projection of the first radiating portion 210 on one of the metal mechanism elements 110 can span at least one third of the width W1 of the slot 120. The first radiating portion 210 is more packaged One of the S-shaped portions 215 is adjacent to the second end 212 of the first radiating portion 210. The meandering shape of the first radiating portion 210 helps to increase its equivalent resonant length and reduce its overall area.
第一連接部160可以大致為一L字形。第一連接部160具有一第一端161和一第二端162，其中第一連接部160之第一端161係耦接至饋入部150之第一端151和接地面140，而第一連接部160之第二端162係朝遠離接地面140之方向作延伸。第二連接部170可以大致為一直條形。第二連接部170具有一第一端171和一第二端172，其中第二連接部170之第一端171係耦接至第一連接部160之第二端162，而第二連接部170之第二端172係朝遠離饋入部150之方向作延伸。 The first connecting portion 160 may be substantially in an L shape. The first connecting portion 160 has a first end 161 and a second end 162. The first end 161 of the first connecting portion 160 is coupled to the first end 151 of the feeding portion 150 and the grounding surface 140, and the first connection The second end 162 of the portion 160 extends away from the ground plane 140. The second connecting portion 170 may be substantially straight. The second connecting portion 170 has a first end 171 and a second end 172. The first end 171 of the second connecting portion 170 is coupled to the second end 162 of the first connecting portion 160, and the second connecting portion 170 The second end 172 extends away from the feed portion 150.
第二輻射部220可以大致為一直條形。第二輻射部220具有一第一端221和一第二端222，其中第二輻射部220之第一端221係經由第二連接部170和第一連接部160耦接至饋入部150之第一端151，而第二輻射部220之第二端222為一開路端。第二輻射部220更可包括蜿蜒之一內凹部份225，其係鄰近於第二輻射部220之第一端221。第二輻射部220之蜿蜒形狀有助於增加其等效共振長度並縮小其整體面積。 The second radiating portion 220 may be substantially straight. The second radiating portion 220 has a first end 221 and a second end 222. The first end 221 of the second radiating portion 220 is coupled to the feeding portion 150 via the second connecting portion 170 and the first connecting portion 160. One end 151 and the second end 222 of the second radiating portion 220 are an open end. The second radiating portion 220 may further include a concave portion 225 adjacent to the first end 221 of the second radiating portion 220. The meandering shape of the second radiating portion 220 helps to increase its equivalent resonance length and reduce its overall area.
第三輻射部230可以大致為一直條形。第三輻射部230具有一第一端231和一第二端232，其中第三輻射部230之第一端231係耦接至第一連接部160之第二端162，而第三輻射部230之第二端232為一開路端並朝靠近饋入部150之方向作延伸。 The third radiating portion 230 may be substantially straight. The third radiating portion 230 has a first end 231 and a second end 232, wherein the first end 231 of the third radiating portion 230 is coupled to the second end 162 of the first connecting portion 160, and the third radiating portion 230 The second end 232 is an open end and extends toward the feed portion 150.
第四輻射部240可以大致為一直條形，其可垂直於 饋入部150。第四輻射部240具有一第一端241和一第二端242，其中第四輻射部240之第一端241係耦接至饋入部150之第一端151和接地面140，而第四輻射部240之第二端242亦耦接至接地面140並朝遠離饋入部150之方向作延伸。 The fourth radiating portion 240 may be substantially straight, which may be perpendicular to Feeding unit 150. The fourth radiating portion 240 has a first end 241 and a second end 242, wherein the first end 241 of the fourth radiating portion 240 is coupled to the first end 151 of the feeding portion 150 and the ground plane 140, and the fourth radiation The second end 242 of the portion 240 is also coupled to the ground plane 140 and extends away from the feed portion 150.
第五輻射部250可以大致為一直條形。第五輻射部250具有一第一端251和一第二端252，其中第五輻射部250之第一端251係耦接至第二連接部170之第二端172和第二輻射部220之第一端221，而第五輻射部250之第二端252為一開路端並與第二輻射部220之第二端222朝相反方向作延伸。 The fifth radiating portion 250 may be substantially straight. The fifth radiating portion 250 has a first end 251 and a second end 252. The first end 251 of the fifth radiating portion 250 is coupled to the second end 172 and the second radiating portion 220 of the second connecting portion 170. The first end 221 and the second end 252 of the fifth radiating portion 250 are an open end and extend in opposite directions from the second end 222 of the second radiating portion 220.
短路部260可以為一不規則形。短路部260具有一第一端261和一第二端262，其中短路部260之第一端261係耦接至第二連接部170之第二端172，而短路部260之第二端262係耦接至該接地面140。短路部260更可包括一矩形加寬部份265，其包括第二端262並耦接至接地面140。短路部260之矩形加寬部份265可同時調整天線結構之高、低頻阻抗匹配(Impedance Matching)。 The short-circuit portion 260 may have an irregular shape. The shorting portion 260 has a first end 261 and a second end 262, wherein the first end 261 of the shorting portion 260 is coupled to the second end 172 of the second connecting portion 170, and the second end 262 of the shorting portion 260 is The ground plane 140 is coupled to the ground plane 140. The shorting portion 260 may further include a rectangular widening portion 265 including a second end 262 and coupled to the ground plane 140. The rectangular widened portion 265 of the shorting portion 260 can simultaneously adjust the high and low frequency impedance matching of the antenna structure.
在較佳實施例中，饋入部150、第一輻射部210、第二輻射部220、第三輻射部230、第四輻射部240、第五輻射部250、第一連接部160、第二連接部170、短路部260，以及金屬機構元件110之槽孔120係共同形成一天線結構，其特性將如下列實施例所述。 In a preferred embodiment, the feeding portion 150, the first radiating portion 210, the second radiating portion 220, the third radiating portion 230, the fourth radiating portion 240, the fifth radiating portion 250, the first connecting portion 160, and the second connection Portion 170, shorting portion 260, and slot 120 of metal mechanism component 110 together form an antenna structure, the characteristics of which will be as described in the following embodiments.
第2圖係顯示根據本創作一實施例所述之行動裝置100之天線結構之返回損失(Return Loss)圖，其中橫軸代表操作頻率(MHz)，而縱軸代表返回損失(dB)。根據第2圖之量測結 果，當接收或傳送無線信號時，行動裝置100之天線結構可涵蓋一低頻頻帶FBL、一第一高頻頻帶FBH1，以及一第二高頻頻帶FBH2，其中低頻頻帶FBL可約介於700MHz至960MHz之間，第一高頻頻帶FBH1可約介於1700MHz至2400MHz之間，而第二高頻頻帶FBH2可約介於2500MHz至2900MHz之間。因此，行動裝置100之天線結構至少可支援LTE(Long Term Evolution)、GSM(Global System for Mobile Communications)、WLAN(Wireless Local Area Networks)、Bluetooth等多頻帶之寬操作。 2 is a diagram showing a Return Loss diagram of an antenna structure of a mobile device 100 according to an embodiment of the present invention, wherein the horizontal axis represents the operating frequency (MHz) and the vertical axis represents the return loss (dB). Measure the knot according to the amount in Figure 2 The antenna structure of the mobile device 100 may include a low frequency band FBL, a first high frequency band FBH1, and a second high frequency band FBH2, wherein the low frequency band FBL may be approximately 700 MHz to when receiving or transmitting a wireless signal. Between 960 MHz, the first high frequency band FBH1 may be between about 1700 MHz and 2400 MHz, and the second high frequency band FBH2 may be between about 2500 MHz and 2900 MHz. Therefore, the antenna structure of the mobile device 100 can support at least a wide operation of multiple bands such as LTE (Long Term Evolution), GSM (Global System for Mobile Communications), WLAN (Wireless Local Area Networks), and Bluetooth.
在一些實施例中，行動裝置100之天線結構之操作原理可如下列所述。饋入部150、第一輻射部210、第一連接部160、第二連接部170、第二輻射部220、第三輻射部230、短路部260，以及金屬機構元件110之槽孔120係激發產生一基頻共振模態(Fundamental Resonant Mode)，以形成前述之低頻頻帶FBL。再者，饋入部150、第一連接部160、第二連接部170、第第三輻射部230、第四輻射部240、第五輻射部250、短路部260，以及金屬機構元件110之槽孔120係激發產生另一基頻共振模態，以形成前述之第一高頻頻帶FBH1。另外，饋入部150、第一輻射部210、第一連接部160、第二連接部170、第二輻射部220、第三輻射部230、短路部260，以及金屬機構元件110之槽孔120更激發產生一高階共振模態(High-order Resonant Mode)(三倍頻)，以形成前述之第二高頻頻帶FBH2。由於低頻頻帶FBL、第一高頻頻帶FBH1，以及第二高頻頻帶FBH2係至少部份地共用相同之共振路徑，故此設計將能有效地縮小行動 裝置100之天線結構之整體面積。 In some embodiments, the principle of operation of the antenna structure of mobile device 100 can be as follows. The feeding portion 150, the first radiating portion 210, the first connecting portion 160, the second connecting portion 170, the second radiating portion 220, the third radiating portion 230, the short-circuit portion 260, and the slot 120 of the metal mechanism member 110 are excited to generate A fundamental acoustic resonance mode (Fundamental Resonant Mode) to form the aforementioned low frequency band FBL. Furthermore, the feeding portion 150, the first connecting portion 160, the second connecting portion 170, the third radiating portion 230, the fourth radiating portion 240, the fifth radiating portion 250, the short-circuit portion 260, and the slot of the metal mechanism member 110 The 120 series excitation produces another fundamental frequency resonant mode to form the aforementioned first high frequency band FBH1. In addition, the feeding portion 150, the first radiating portion 210, the first connecting portion 160, the second connecting portion 170, the second radiating portion 220, the third radiating portion 230, the short-circuit portion 260, and the slot 120 of the metal mechanism member 110 are further The excitation generates a High-order Resonant Mode (Triple Frequency) to form the aforementioned second high frequency band FBH2. Since the low frequency band FBL, the first high frequency band FBH1, and the second high frequency band FBH2 at least partially share the same resonant path, the design will effectively reduce the action. The overall area of the antenna structure of device 100.
在一些實施例中，行動裝置100之元件尺寸可如下列所述。槽孔120之長度L1係大致等於低頻頻帶FBL之0.25倍波長(λ/4)。槽孔120之寬度W1約為3mm。饋入部150和第一輻射部210之總長度(從第一端151起經過第二端152、第一端211再至第二端212止)大致等於低頻頻帶FBL之0.5倍波長(λ/2)。第一連接部160、第二連接部170，以及第二輻射部220之總長度(從第一端161起經過第二端162、第一端171、第二端172、第一端221再至第二端222止)大致等於低頻頻帶FBL之0.5倍波長(λ/2)。第一連接部160和第三輻射部230之總長度(從第一端161起經過第二端162、第一端231再至第二端232止)大致等於低頻頻帶FBL之0.25倍波長(λ/4)，或是大致等於第一高頻頻帶FBH1之0.5倍波長(λ/2)。第四輻射部240之長度(從第一端241起至第二端242止)大致等於第一高頻頻帶FBH1之0.25倍波長(λ/4)。饋入部150之長度(從第一端151起至第二端152止)大致等於第一高頻頻帶FBH1之0.25倍波長(λ/4)。第一連接部160、第二連接部170，以及第五輻射部250之總長度(從第一端161起經過第二端162、第一端171、第二端172、第一端251再至第二端252止)大致等於第一高頻頻帶FBH1之0.5倍波長(λ/2)。以上元件尺寸範圍係根據多次實驗結果而求出，其有助於最佳化行動裝置100之天線結構之操作頻帶及阻抗匹配。 In some embodiments, the component dimensions of the mobile device 100 can be as described below. The length L1 of the slot 120 is approximately equal to 0.25 times the wavelength (λ/4) of the low frequency band FBL. The width W1 of the slot 120 is approximately 3 mm. The total length of the feeding portion 150 and the first radiating portion 210 (from the first end 151 through the second end 152, the first end 211 to the second end 212) is substantially equal to 0.5 times the wavelength of the low frequency band FBL (λ/2) ). The total length of the first connecting portion 160, the second connecting portion 170, and the second radiating portion 220 (from the first end 161 through the second end 162, the first end 171, the second end 172, the first end 221, and then The second end 222 is substantially equal to 0.5 times the wavelength (λ/2) of the low frequency band FBL. The total length of the first connecting portion 160 and the third radiating portion 230 (from the first end 161 through the second end 162, the first end 231 to the second end 232) is substantially equal to 0.25 times the wavelength of the low frequency band FBL (λ) /4), or approximately equal to 0.5 times the wavelength (λ/2) of the first high frequency band FBH1. The length of the fourth radiating portion 240 (from the first end 241 to the second end 242) is substantially equal to 0.25 times the wavelength (λ/4) of the first high frequency band FBH1. The length of the feed portion 150 (from the first end 151 to the second end 152) is substantially equal to 0.25 times the wavelength (λ/4) of the first high frequency band FBH1. The total length of the first connecting portion 160, the second connecting portion 170, and the fifth radiating portion 250 (from the first end 161 through the second end 162, the first end 171, the second end 172, the first end 251, and then The second end 252 is substantially equal to 0.5 times the wavelength (λ/2) of the first high frequency band FBH1. The above component size range is obtained from a plurality of experimental results, which contributes to optimizing the operating band and impedance matching of the antenna structure of the mobile device 100.
第3圖係顯示根據本創作一實施例所述之行動裝置100之天線結構之天線效率(Antenna Efficiency)圖，其中橫軸代表操作頻率(MHz)，而縱軸代表天線效率(dB)。根據第3 圖之量測結果，行動裝置100之天線結構於低頻頻帶FBL中之天線效率約可達-3dB，而於第一高頻頻帶FBH1和第二高頻頻帶FBH2中之天線效率約可達-4dB，此已可滿足一般行動通訊裝置之實際應用需求。 Fig. 3 is a diagram showing an antenna efficiency of an antenna structure of a mobile device 100 according to an embodiment of the present invention, wherein the horizontal axis represents the operating frequency (MHz) and the vertical axis represents the antenna efficiency (dB). According to the third As shown in the figure, the antenna structure of the mobile device 100 has an antenna efficiency of about -3 dB in the low frequency band FBL, and the antenna efficiency in the first high frequency band FBH1 and the second high frequency band FBH2 is about -4 dB. This has met the practical application needs of general mobile communication devices.
第4圖係顯示根據本創作另一實施例所述之行動裝置400之透視圖。第4圖和第1A圖相似。在第4圖之實施例中，行動裝置400更包括一第一調整部(Tuning Element)471、一第二調整部472、一第三調整部473、一第四調整部474，以及一第五調整部475。以上每一調整部皆可微調行動裝置400之天線結構之阻抗匹配，從而提升天線結構之輻射效率。第一調整部471可以大致為一矩形或一正方形。第一調整部471係耦接至第一輻射部210之S字形部份215。第二調整部472可以大致為一矩形或一正方形。第二調整部472係耦接至第四輻射部240之第二端242。第三調整部473可以大致為一直條形。第三調整部473係耦接至第一連接部160，其中第三調整部473係與第三輻射部230朝相同且互相平行之方向作延伸。詳細而言，第三調整部473係設置於第一連接部160和第三輻射部230所共同界定出之一缺口477內。第四調整部474可以大致為一直條形。第四調整部474係耦接至第一連接部160，其中第四調整部474係與第三調整部473係朝相反方向作延伸。第五調整部475可以大致為一斜向直條形。第五調整部475係耦接至第二連接部170之第二端172，其中第五調整部475係設置於短路部260和第五輻射部250之間。詳細而言，第一調整部471係用於微調低頻頻帶FBL和第二高頻頻帶FBH2之阻抗匹配；而第二調整部472、第三調整部 473、第四調整部474，以及第五調整部475係用於微調第一高頻頻帶FBH1之阻抗匹配。必須理解的是，以上所有調整部均為選用元件(Optional Element)，在另一些實施例中亦可移除之。 Figure 4 is a perspective view showing a mobile device 400 according to another embodiment of the present creation. Figure 4 is similar to Figure 1A. In the embodiment of FIG. 4, the mobile device 400 further includes a first adjustment unit (Tuning Element) 471, a second adjustment unit 472, a third adjustment unit 473, a fourth adjustment unit 474, and a fifth. Adjustment unit 475. Each of the above adjustment sections can finely adjust the impedance matching of the antenna structure of the mobile device 400, thereby improving the radiation efficiency of the antenna structure. The first adjustment portion 471 may be substantially a rectangle or a square. The first adjusting portion 471 is coupled to the S-shaped portion 215 of the first radiating portion 210. The second adjustment portion 472 can be substantially a rectangle or a square. The second adjusting portion 472 is coupled to the second end 242 of the fourth radiating portion 240 . The third adjustment portion 473 may be substantially straight. The third adjusting portion 473 is coupled to the first connecting portion 160 , wherein the third adjusting portion 473 and the third radiating portion 230 extend in the same direction and parallel to each other. In detail, the third adjusting portion 473 is disposed in one of the notches 477 defined by the first connecting portion 160 and the third radiating portion 230. The fourth adjustment portion 474 may be substantially straight. The fourth adjusting portion 474 is coupled to the first connecting portion 160 , wherein the fourth adjusting portion 474 and the third adjusting portion 473 extend in opposite directions. The fifth adjustment portion 475 may be substantially an oblique straight strip shape. The fifth adjusting portion 475 is coupled to the second end 172 of the second connecting portion 170 , wherein the fifth adjusting portion 475 is disposed between the short-circuit portion 260 and the fifth radiating portion 250 . In detail, the first adjustment unit 471 is used to fine-tune the impedance matching between the low frequency band FBL and the second high frequency band FBH2; and the second adjustment unit 472 and the third adjustment unit 473, fourth adjustment unit 474, and fifth adjustment unit 475 are used to fine-tune the impedance matching of the first high frequency band FBH1. It must be understood that all of the above adjustment parts are optional elements, and may be removed in other embodiments.
第5A圖係顯示根據本創作一實施例所述之行動裝置500之示意圖。在第5A圖之實施例中，行動裝置500為一筆記型電腦，而前述之金屬機構元件110可為筆記型電腦之一上蓋外殼510(即筆記型電腦中俗稱之「A件」)。若前述之天線結構實施於筆記型電腦之上蓋外殼510，則槽孔120可鄰近於筆記型電腦之一轉軸(Hinge)504處。亦即，槽孔120可形成於上蓋外殼510之一第一位置503。 Figure 5A is a schematic diagram showing a mobile device 500 according to an embodiment of the present invention. In the embodiment of FIG. 5A, the mobile device 500 is a notebook computer, and the metal mechanism component 110 can be a cover case 510 (commonly referred to as "A" in a notebook computer). If the antenna structure described above is implemented in the notebook upper cover housing 510, the slot 120 can be adjacent to one of the hinges 504 of the notebook computer. That is, the slot 120 can be formed in a first position 503 of the upper cover housing 510.
第5B圖係顯示根據本創作另一實施例所述之行動裝置500之示意圖。在第5B圖之實施例中，行動裝置500為一筆記型電腦，而前述之金屬機構元件110可為筆記型電腦之一螢幕邊框520(即筆記型電腦中俗稱之「B件」)。若前述之天線結構實施於筆記型電腦之螢幕邊框520，則槽孔120可鄰近於筆記型電腦之一轉軸504處。亦即，槽孔120可形成於螢幕邊框520之一第二位置523。 FIG. 5B is a schematic diagram showing a mobile device 500 according to another embodiment of the present creation. In the embodiment of FIG. 5B, the mobile device 500 is a notebook computer, and the metal mechanism component 110 can be a screen frame 520 of a notebook computer (commonly referred to as a "B component" in a notebook computer). If the antenna structure described above is implemented on the screen frame 520 of the notebook computer, the slot 120 can be adjacent to one of the rotating shafts 504 of the notebook computer. That is, the slot 120 can be formed in a second position 523 of the screen bezel 520.
無論前述之天線結構係位於上蓋外殼510之第一位置503或是螢幕邊框520之第二位置523，其均能涵蓋LTE之寬頻操作頻帶並可提供足夠之天線效率。必須注意的是，上蓋外殼510和螢幕邊框520之其中一者可由金屬材質製成(形成天線結構)，而其中另一者可由非導體材質製成，以避免干擾天線結構之輻射場型。倘若上蓋外殼510和螢幕邊框520兩者皆由金 屬材質製成，則螢幕邊框520應具有一開孔，而開孔之垂直投影係大致對齊於上蓋外殼510之天線結構，使得天線結構之電磁波可通過此開孔來進行傳遞。由於天線結構係鄰近於筆記型電腦之轉軸504，其將不必佔用顯示器上方之空間，故很適合應用於各種窄邊框(Narrow Border)設計之筆記型電腦產品。 Whether the aforementioned antenna structure is located at a first location 503 of the upper cover housing 510 or a second position 523 of the screen bezel 520, it can cover the wideband operating band of LTE and provide sufficient antenna efficiency. It must be noted that one of the upper cover housing 510 and the screen bezel 520 may be made of a metal material (forming an antenna structure), and the other of which may be made of a non-conductor material to avoid interference with the radiation pattern of the antenna structure. If both the upper cover case 510 and the screen frame 520 are made of gold When the material is made, the screen frame 520 should have an opening, and the vertical projection of the opening is substantially aligned with the antenna structure of the upper cover housing 510, so that electromagnetic waves of the antenna structure can be transmitted through the opening. Since the antenna structure is adjacent to the rotating shaft 504 of the notebook computer, it will not need to occupy the space above the display, so it is suitable for notebook computers with various Narrow Border designs.
本創作提出一種新穎之天線結構，其僅用單一槽孔即能涵蓋寬頻帶操作。當此天線結構應用於具有一金屬背蓋(例如：金屬製成之上蓋外殼)之行動裝置時，由於金屬背蓋可視為天線結構之一延伸部份，故能有效避免金屬背蓋對行動裝置之通訊品質產生負面影響。另須注意的是，本創作可在不用於金屬背蓋上開挖任何天線窗(Antenna Window)之情況下，更進一步改良行動裝置之外觀設計。總而言之，本創作能兼得小尺寸、寬頻帶，以及美化裝置外型之優勢，故其很適合應用於各種各式之行動通訊裝置當中。 This creation proposes a novel antenna structure that covers wideband operation with a single slot. When the antenna structure is applied to a mobile device having a metal back cover (for example, a metal cover upper cover), since the metal back cover can be regarded as an extension of the antenna structure, the metal back cover can be effectively avoided. The quality of communication has a negative impact. It should also be noted that this creation can further improve the design of the mobile device without using any antenna window (Antenna Window) on the metal back cover. All in all, this creation has the advantages of small size, wide frequency band, and beautification of the appearance of the device, so it is suitable for use in a variety of various types of mobile communication devices.
值得注意的是，以上所述之元件尺寸、元件參數、元件形狀，以及頻率範圍皆非為本創作之限制條件。天線設計者可以根據不同需要調整這些設定值。另外，本創作之天線結構並不僅限於第1-5圖所圖示之狀態。本創作可以僅包括第1-5圖之任何一或複數個實施例之任何一或複數項特徵。換言之，並非所有圖示之特徵均須同時實施於本創作之天線結構中。 It should be noted that the component sizes, component parameters, component shapes, and frequency ranges described above are not limitations of this creation. The antenna designer can adjust these settings according to different needs. In addition, the antenna structure of the present invention is not limited to the state illustrated in Figures 1-5. This creation may include only one or a plurality of features of any one or a plurality of embodiments of Figures 1-5. In other words, not all of the illustrated features must be implemented simultaneously in the antenna structure of the present invention.
在本說明書以及申請專利範圍中的序數，例如「第一」、「第二」、「第三」等等，彼此之間並沒有順序上的先後關係，其僅用於標示區分兩個具有相同名字之不同元件。 The ordinal numbers in this specification and the scope of the patent application, such as "first", "second", "third", etc., have no sequential relationship with each other, and are only used to indicate that two are identical. Different components of the name.
本創作雖以較佳實施例揭露如上，然其並非用以 限定本創作的範圍，任何熟習此項技藝者，在不脫離本創作之精神和範圍內，當可做些許的更動與潤飾，因此本創作之保護範圍當視後附之申請專利範圍所界定者為準。 Although the present invention is disclosed above in the preferred embodiment, it is not used Limiting the scope of this creation, any person skilled in the art can make some changes and refinements without departing from the spirit and scope of this creation. Therefore, the scope of protection of this creation is defined by the scope of the patent application attached. Prevail.
100‧‧‧行動裝置 100‧‧‧ mobile devices
110‧‧‧金屬機構元件 110‧‧‧Metal mechanism components
111‧‧‧金屬機構元件之邊緣 111‧‧‧The edge of the metalwork components
120‧‧‧槽孔 120‧‧‧ slots
121‧‧‧第二槽孔之開口端 121‧‧‧Open end of the second slot
122‧‧‧第二槽孔之閉口端 122‧‧‧Closed end of the second slot
140‧‧‧接地面 140‧‧‧ Ground plane
150‧‧‧饋入部 150‧‧‧Feeding Department
160‧‧‧第一連接部 160‧‧‧First connection
170‧‧‧第二連接部 170‧‧‧Second connection
180‧‧‧介質基板 180‧‧‧Media substrate
190‧‧‧信號源 190‧‧‧Signal source
210‧‧‧第一輻射部 210‧‧‧First Radiation Department
220‧‧‧第二輻射部 220‧‧‧Second Radiation Department
230‧‧‧第三輻射部 230‧‧‧ Third Radiation Department
240‧‧‧第四輻射部 240‧‧‧Fourth Radiation Department
250‧‧‧第五輻射部 250‧‧‧ Fifth Radiation Department
260‧‧‧短路部 260‧‧‧ Short circuit
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