1286856 七、 指定代表圖: ;. (一)本案指定代表圖為:第(一)圖 13 :第一寄生短路金屬臂; 131及132 ··金屬臂; 14 :第二寄生短路金屬臂;以及 141及142 :金屬臂。 (二)本代細之元件符賴單說明: s:多頻天線結構; 11 :接地面; 12 :第一輻射金屬臂; 121第一饋入點; • 122及123 :輻射金屬臂; 八、 本案若有化學式時,請揭示最錢科鴨徵的化學式: 九、 發明說明: 【發明所屬之技術領域】 _ 本發明係為一種多頻天線結構,特別是關於一種藉由寄生短 路金屬臂達成多個頻段的操作。 【先前技術】 隨著無線網路技術的發展,利用無線網路進行瀏覽網頁、資 料傳輸、查詢、交易、教學、連線遊戲及收發電子郵件,亦為現 成電腦使用者相當重要及快速之溝通的管道及捷徑。同時,無線 傳輸技術也發展出多種的通信協定及技術,如:WLAN、GSM、GPS、 GPRS、CDMA、WCDMA等,如此多樣的傳輸技術漸漸廣泛應用於各 4 1286856 上。上述之無線傳輸技術齡均能作為無線網路上 傳輸技術;t根本的傳輸元件仍依賴天線進 ,此’天線的設計將影響無線信號傳輸的品質 寻 多實務經驗與專聰討,遂於本發明提出-種多頻天 輸 是故,本發 線結構以作為述期望的實現方式與依 據 【發明内容】 咖上述課題,本發明之目的為提供—鮮頻天線結構, 特別疋關於:種藉由寄生短路金屬臂達成多個頻段的操作。 為達上述目的,依本發明所揭露的多頻天線結構,至少包含 有接地面、第—輻射金射、第—寄生短路金屬臂及第二寄生短 路金屬#。由第-輻射金屬臂作為主要的發射天線並具有第一饋 入點以連接第-饋人線。第—寄生短路金射為由接地面向外延 伸之金屬臂,此第_寄生短路金屬臂位於接地面鮮—輻射金屬 臂之間’用以與第一輻射金屬臂耦合共振於第一頻段。第二寄生 短路金屬臂亦為由接地面向外延伸之金屬臂,此第二寄生短路金 屬臂位於第一輪射金屬臂與第一寄生短路金屬臂之間,用以與第 一輪射金屬臂輕合共振於第二頻段。 兹為使貴審查委員對本發明之技術特徵及所達成之功效有 更進一步之瞭解與認識,下文謹提供較佳之實施例及相關圖式以 為辅佐之用,並以詳細之說明文字配合說明如後。 5 1286856 【實施方式】 天jrm目關圖式’說明依本發明較佳實施例之一種多頻 圖。此多頻天後社燼ς入士 線、'"構之一實施例不意 第-ΐ有接地面U、第一輻射金屬臂⑵ 第^短路金屬臂13及第二寄生短路金屬㈣。 第一輪射金屬臂12作為主要的發射 古 為賴射金屬们22之接近接地面η端點即 接地面5二\而另一轄射金屬们23貝|]連接於相對於接近 接地面11端點之另一端點平行於接地面η。 安迎 一幸全臂13 ’由接地面11向外延伸並用以與第 i麵合共振於第一頻段。此第一寄生短路金屬臂 地面ii、車接嶺’其垂直於接地面11之金屬臂131 一端與接 面11連接,於另一端連接平行於接地 此金屬㈣位於第一輻射金屬臂12及接地面冗之:讀 -^金臂14 ’由接地面11向外延倾用以與第 屬/輕共振於第二頻段。此第二寄生短路金屬臂 n Ιί,ίί^、’其垂直於接地面之金屬们41 一端與接地面 外声il導線為一同抽傳輸線,且包覆於同轴傳輸線之 =接地導體則連接至接地面,另,第一寄生短路金屬臂13與第 -輻射金屬臂12麵合共振於如824服與_MHz間之第一頻段。 2生f,金屬臂14與第一輻射金屬臂12耦合共振於又如 1575MHz與2170MHz間之第二頻段。此多頻天線結構s可用於 6 1286856 、GSM_、DCS18〇〇、pcsi_、奶及鹏的無線通訊頻 請參閱第二圖,係為本發明之多頻天線結構之另 意圖。此天線結構至少包含有接地面2卜第―贿金屬臂&、= SIS路金屬臂23、第二寄生短路金屬臂24及第三寄生短^ 第-輻射金騎22作為主要的發射天線並具有第1286856 VII. Designated representative map: ; (1) The representative representative of the case is: (1) Figure 13: first parasitic short-circuit metal arm; 131 and 132 · · metal arm; 14: second parasitic short-circuit metal arm; 141 and 142: Metal arms. (2) The components of this generation are detailed: s: multi-frequency antenna structure; 11: ground plane; 12: first radiating metal arm; 121 first feed point; • 122 and 123: radiating metal arm; If there is a chemical formula in this case, please disclose the chemical formula of the most Qianke duck sign: IX. Description of the invention: [Technical field of invention] _ The present invention is a multi-frequency antenna structure, in particular, a metal arm by parasitic short circuit Achieve operation in multiple frequency bands. [Prior Art] With the development of wireless network technology, the use of wireless networks for browsing web pages, data transmission, inquiries, transactions, teaching, connecting games and sending and receiving e-mails is also an important and fast communication for off-the-shelf computer users. Pipes and shortcuts. At the same time, wireless transmission technology has also developed a variety of communication protocols and technologies, such as: WLAN, GSM, GPS, GPRS, CDMA, WCDMA, etc. Such diverse transmission technologies are gradually being widely applied to each of the 1 1286856. The above-mentioned wireless transmission technology can be used as a transmission technology on a wireless network; t the fundamental transmission component still depends on the antenna, and the design of the antenna will affect the quality of the wireless signal transmission, and the practical experience and expertise of the wireless signal transmission. The present invention proposes to provide a multi-frequency antenna transmission, and the present invention provides a fresh-frequency antenna structure, in particular, regarding the use of the present invention. The parasitic short-circuited metal arm achieves operation in multiple frequency bands. To achieve the above objective, the multi-frequency antenna structure disclosed in the present invention includes at least a ground plane, a first radiation gold, a first parasitic short metal arm, and a second parasitic short metal #. The first radiating arm is used as the primary transmitting antenna and has a first feed point to connect the first feed line. The first-parasitic short-circuit gold is a metal arm extended from the ground plane, and the first-parasitic short-circuit metal arm is located between the ground-side fresh-radiation metal arms for coupling with the first radiating metal arm to resonate in the first frequency band. The second parasitic shorting metal arm is also a metal arm extending outward from the grounding surface, and the second parasitic shorting metal arm is located between the first wheel metal arm and the first parasitic short metal arm for the first wheel metal arm The light resonance resonates in the second frequency band. In order to provide a better understanding and understanding of the technical features and the efficacies of the present invention, the preferred embodiments and related drawings are provided for the purpose of assistance, and the detailed descriptions are followed by a description. . 5 1286856 [Embodiment] A jrr diagram of a day is illustrated as a multi-frequency diagram in accordance with a preferred embodiment of the present invention. This multi-frequency Tianshi community entry line, '" one embodiment is not intended to have a ground plane U, a first radiating metal arm (2) a second shorting metal arm 13 and a second parasitic short metal (four). The first shot of the metal arm 12 as the main emission is the closest to the ground plane η end point of the grounding metal 22, that is, the ground plane 5 2 and the other urging metal 23 lb | | is connected to the ground plane 11 The other end of the endpoint is parallel to the ground plane η. The welcoming full arm 13' extends outward from the ground plane 11 and is used to resonate with the ith plane in the first frequency band. The first parasitic short-circuited metal arm ground ii, the car-connected ridge's one end of the metal arm 131 perpendicular to the grounding surface 11 is connected to the connecting surface 11, and the other end is connected parallel to the ground. The metal (4) is located at the first radiating metal arm 12 and connected The ground is redundant: the read-^gold arm 14' is tilted outwardly from the ground plane 11 to resonate with the first/light resonance in the second frequency band. The second parasitic short-circuited metal arm n Ιί, ίί^, 'the end of the metal 41 which is perpendicular to the ground plane is connected with the outer surface of the grounding surface, and the grounding conductor is connected to the coaxial transmission line. The ground plane, in addition, the first parasitic short-circuit metal arm 13 and the first-radiation metal arm 12 face each other to resonate in a first frequency band between 824 and _MHz. 2, f, the metal arm 14 is coupled to the first radiating metal arm 12 to resonate in a second frequency band between 1575 MHz and 2170 MHz. The multi-frequency antenna structure s can be used for 6 1286856, GSM_, DCS18〇〇, pcsi_, milk and Peng wireless communication frequency. Referring to the second figure, it is another intention of the multi-frequency antenna structure of the present invention. The antenna structure includes at least a ground plane 2, a bribe metal arm &, a SIS road metal arm 23, a second parasitic short metal arm 24, and a third parasitic short-radiation gold ride 22 as main transmit antennas. With the first
f 22 ^ L j直接之一輻射金屬臂222之遠離接地面21端點即 入二2iV而另一輕射金屬臂223則連接於相對於遠離 接也面21私』之另一端點平行於接地面2卜此 之輕射金屬臂223於末端224 一段長度縮小其寬度。、接也面21 -輻23 ’由接地面21向外延伸並用以與第 接於另鈿連接平行於接地面21之另一金屬臂232 b =接地面21之靖232於末端233 _段長度 臂其平行接地面之,金屬 -輕短路金屬臂24 ’由接地面21向外延伸並用以與第 屬/22麵合共振於第二頻段。此第二寄生短路金屬臂 =可為l型金屬臂’其垂直於接地面21之 ^ 連接,於另-端連接平行於接地面21之/—金屬二42接 臂242於末端243 -段長度縮小其寬度,且位於屬/ 金屬臂22及接地面21之間。 細射 三寄生短路金屬臂25,為另一第二寄生短路金屬臂,由接 也面26向外延伸並用以與第一輻射金屬臂四搞合共振於第二頻 7 1286856 f Ϊ三寄生短路金屬臂25可為L型金屬臂,其相對於第一輕 射金屬/一22及接地面21設置於第一寄生短路金屬臂烈之另一 ,1^三寄生短路金屬臂25其一金屬臂251平行於第一寄生短 “If f平行接地面之一臂232,另一金屬臂252垂直且其末 接地面2卜此金屬臂252之末端連接至另―接地面26。 越二,1道ί 一饋入線為一同軸傳輸線,且包覆於同軸傳輸線之 ==則連接至接地面,另,第一寄生短路金屬臂23與第 々田、,屬# 22耦合共振於如824ΜΗζ與96〇ΜΗζ間之第一頻段。 屬臂24及第三寄生短路金屬臂25與第一輕射金 屬\22句輕5共振於如1710MHz與2170MHz間之第二紐。 r二Γϋ圖係為本發明之多頻天線結構之電壓駐波比 j j 能量測曲線圖。由圖中,824MHz到960MHz的頻段a & z f 217麵的頻段b之電壓駐波比皆為最低,因此天f 22 ^ L j directly one of the radiating metal arms 222 is far from the end of the ground plane 21, that is, two 2iV and the other light metal arm 223 is connected to the other end of the opposite side 21 The light metal arm 223 of the ground 2 is reduced in length at the end 224 for a length. , the contact surface 21 - the spoke 23 ' extends outward from the ground plane 21 and is used to connect with another metal arm 232 b which is connected to the other side parallel to the ground plane 21 b = the ground plane 21 is at the end 233 _ section length The metal-light shorted metal arm 24' extends outwardly from the ground plane 21 and is adapted to resonate with the first/22 surface in the second frequency band. The second parasitic short-circuit metal arm= can be a l-type metal arm' which is perpendicular to the ground plane 21, and the other end is connected parallel to the ground plane 21/the metal two 42-arm 242 is at the end 243-section length The width is reduced and is located between the genus/metal arm 22 and the ground plane 21. The fine-spray three-parasitic short-circuit metal arm 25 is another second parasitic short-circuit metal arm extending outward from the junction surface 26 and configured to resonate with the first radiating metal arm four to resonate with the second frequency 7 1286856 f Ϊ three parasitic short circuit The metal arm 25 can be an L-shaped metal arm, which is disposed on the first parasitic short-circuit metal arm with respect to the first light-emitting metal/22 and the ground plane 21, and a metal arm of the 1^3 parasitic short-circuit metal arm 25 251 is parallel to one of the first parasitic short "If f parallel ground plane arms 232, the other metal arm 252 is perpendicular and the end ground plane 2 is connected to the other ground plane 26 at the end of the metal arm 252.一 A feed line is a coaxial transmission line, and == is connected to the ground plane on the coaxial transmission line, and the first parasitic short-circuit metal arm 23 and the 々田, 属# 22 are coupled to resonance such as 824ΜΗζ and 96〇 The first frequency band of the daytime. The arm 24 and the third parasitic short-circuit metal arm 25 resonate with the first light-emitting metal \22 sentence light 5 to a second bond between 1710 MHz and 2170 MHz. The voltage standing wave ratio of the multi-frequency antenna structure is jj energy measurement curve. From the figure, 824MHz to The frequency VSWR of the frequency band b of the 960MHz band a & z f 217 is the lowest, so the day
線頻段可涵蓋 GSM85G、GS_G、DCS18GG、PCS19GG、GPS 及 UMTS 且均具有良好的天線輻射增益。 Mlb ^閱第四圖’係為本發明之多頻天線結構之輸人阻抗之量 測曲線圖。由此曲線圖之反射損失(ret_ 的觀察,可進 -步確認,本發明之多頻天線結構於824到96〇腿z的頻段c 及15J5MHz,2170MHz的頻段d ’均為良好的操作頻段。 -圈請係為本發明之多頻天線結構之再-實施例示 ΚμΙΛ Λ所示之多頻天線結構s於鄰近第—輻射金屬 =再增加第二輻射金屬臂51、第三輻射金屬臂52及短路金屬 輻臂5 V共振於一第三頻段’具有㈣入點511 ^接第—饋人線,此第二輻射金屬臂51為l型輻射金屬臂,1 53=1之一輕射金屬臂512之接近接地面11端點即為 弟-饋入點51卜而另-輻射金屬臂513則連接於相對於接近接 1286856 地面端點之另一端點平行於接地面Η。 厘辟^!^射金屬臂52,共振於—第四頻段,延伸自第二輕射金 t 罪^該第二饋入點511處。此第三輻射金屬臂52為匸型 ΐίΐί其兩平行輻射金騎521中之—㈣連接至第二輻 射金屬# 51且平行於接地面u。 短路金屬臂53 ’用以將第二輕射金屬臂51及第三輕射金屬 ^ 52電氣連接至接地面u ’由接地面u垂纽伸至第三輕射金 屬臂52。The line band can cover GSM85G, GS_G, DCS18GG, PCS19GG, GPS and UMTS and both have good antenna radiation gain. Mlb's fourth figure is a measurement curve of the input impedance of the multi-frequency antenna structure of the present invention. From the observation of the reflection loss of the graph (ret_, it can be confirmed step by step, the multi-frequency antenna structure of the present invention is in the frequency band c of 824 to 96 〇 leg z and the frequency band d' of 2,600 MHz, and the frequency band d' of 2170 MHz are all good operating frequency bands. - The circle is a repetitive embodiment of the multi-frequency antenna structure of the present invention - an embodiment of the multi-frequency antenna structure shown in the vicinity of the first - radiating metal = further adding the second radiating metal arm 51, the third radiating metal arm 52 and The short-circuited metal spoke arm 5 V resonates in a third frequency band 'with (four) in-point 511 ^ connected to the first-feed line, the second radiating metal arm 51 is a l-type radiating metal arm, and 1 53=1 one of the light-emitting metal arms The end point of 512 close to the ground plane 11 is the brother-feed point 51 and the other radiating metal arm 513 is connected to the other end point of the ground end point relative to the proximity 1286856 parallel to the ground plane Η. The metal arm 52 resonates in the fourth frequency band and extends from the second light-emitting gold t. The second radiation metal arm 52 is a type of ΐ ΐ ΐ 其 其 其 其 其 其 其- (d) connected to the second radiating metal # 51 and parallel to the ground plane u. shorted metal arm 53 ' A second light emitting metal arm 51 and the third light emitting metal ^ 52 is electrically connected to the ground plane u 'u by a vertical ground plane extending to the third light emitting York metal arm 52.
其中’第二饋人線為—同軸傳輸線,且包覆於同軸傳輸線之 外層接地導體職接至接麵。另,第二輻射金射單獨共振於 如4900MHz與580_z間之第三頻段,寄生輻射金屬臂單獨共振 於如2400MHz與2500MHz㈤之第四頻段。此多頻天線結構M除了 可用於 GSM850、GSM900、DCS1800、PCS1900、GPS 及 UMTS 的無線 通訊頻段,更增加了 WLAN的無線通訊頻段。 請參閱第六圖,係為本發明之多頻天線結構之電壓駐波比 (VSWR)性能量測曲線圖。由圖中,24〇〇MHz到25〇〇MHz的頻段 e及4900MHz到5800MHz的頻段f之電壓駐波比皆為最低,因此 天線頻段更可涵蓋WLAN且均具有良好的天線輻射增益。 請參閱第七圖,係為本發明之多頻天線結構之輸入阻抗之量 測曲線圖。由此曲線圖之反射損失(return l〇ss)的觀察,可進 一步確認,本發明之多頻天線結構於2400MHz到2500MHz的頻段 g及4900MHz到5800MHz的頻段h,均為良好的操作頻段。 本發明之多頻天線結構可應用軟式印刷或金屬成型等方式製 成。請參閱第八圖^係為第五圖之多頻天線結構應用金屬成型之 立體示意圖。圖中,第一饋入線61之同軸傳輸線連接於第一輻射 金屬臂12之第一饋入點121 ’並將同軸傳輸線之外層接地導體 連接至接地面Π。第二饋入線62之同軸傳輸線連接於第二輻射 9 1286856 之外層接地導體621 饋福5i1,縣肺傳輸線 於此僅以L t,其巾各金射可為各種觀之設計, 盥範疇,而對^進彳^,,性者。任何未脫離本發明之精神 ^ιΐ®Γ ^ 【圖式簡單說明】 第-圖係為本發明之多頻天線結構之—實施例示意圖; 第^圖係為本發明之多頻天線結構之另-實施例示意圖; 第二圖係為本發明之多頻天線結構之電壓駐波比(職)性能量 測曲線圖; 第四圖係為本發明之多頻天線結構之輸入阻抗之量測曲線圖; 第五圖係為本發明之多頻天線結構之再一實施例示意圖; 第六圖係為本發明之多頻天線結構之電壓駐波比(VSWR)性能量 測曲線圖; 第七圖係為本發明之多頻天線結構之輸入阻抗之量測曲線圖;以及 第八圖係為第五圖之多頻天線結構應用金屬成型之立體示意圖。 1286856 【主要元件符號說明】 s:多頻天線結構; 11 :接地面; 12 :第一輻射金屬臂; 121第一饋入點; 122及123 :輻射金屬臂; 13 :第一寄生短路金屬臂; 131及132:金屬臂; 14 :第二寄生短路金屬臂; 141及142:金屬臂; 21 :接地面; 22 :第一輻射金屬臂; 221 :第一饋入點; 222及223 :輻射金屬臂; 224 :末端; 23 :第一寄生短路金屬臂; 231及232 :金屬臂; 233 :末端; 24 :第二寄生短路金屬臂; 241、242及243 :金屬臂; 25 :第三寄生短路金屬臂; 251及252 :金屬臂; 26 :另一接地面; a、b、c及d :頻段; Μ:多頻天線結構; 51 :第二輻射金屬臂; 511 :第二饋入點; 512及513 :輻射金屬臂; 52 :第三輻射金屬臂 521 :輻射金屬臂; 53 :短路金屬臂; e、f、g及h :頻段; 61 :第一饋入線; 611 :外層接地導體; 62 :第二饋入線;以及 621 :外層接地導體。Wherein the second feed line is a coaxial transmission line, and the outer ground conductor covered on the coaxial transmission line is connected to the junction. In addition, the second radiation gold alone resonates in a third frequency band between 4900 MHz and 580_z, and the parasitic radiation metal arm separately resonates in a fourth frequency band such as 2400 MHz and 2500 MHz (5). In addition to being used in the wireless communication bands of GSM850, GSM900, DCS1800, PCS1900, GPS and UMTS, this multi-frequency antenna structure M also increases the wireless communication frequency band of the WLAN. Please refer to the sixth figure, which is a voltage standing wave ratio (VSWR) energy measurement curve of the multi-frequency antenna structure of the present invention. From the figure, the frequency band e of the 24 〇〇 MHz to 25 〇〇 MHz and the frequency f of the frequency range of 4900 MHz to 5800 MHz are the lowest, so the antenna frequency band can cover the WLAN and both have good antenna radiation gain. Please refer to the seventh figure, which is a measurement curve of the input impedance of the multi-frequency antenna structure of the present invention. From the observation of the reflection loss (return l〇ss) of the graph, it can be further confirmed that the multi-frequency antenna structure of the present invention is in the frequency band 2 of 2400 MHz to 2500 MHz and the frequency band h of 4900 MHz to 5800 MHz, which are good operating frequency bands. The multi-frequency antenna structure of the present invention can be formed by means of soft printing or metal forming. Please refer to the eighth figure, which is a three-dimensional diagram of the application of metal forming for the multi-frequency antenna structure of the fifth figure. In the figure, the coaxial transmission line of the first feed line 61 is connected to the first feed point 121' of the first radiating metal arm 12 and connects the outer conductor ground conductor of the coaxial transmission line to the ground plane Π. The coaxial transmission line of the second feed line 62 is connected to the second radiation 9 1286856 outer layer ground conductor 621 to feed 5i1, and the county lung transmission line is only L t here, and the gold rays of the towel can be various designs, 盥 categories, and For ^^彳^, sex. Anything that does not depart from the spirit of the present invention ^ιΐ®Γ ^ [Simple Description of the Drawings] The first figure is a schematic diagram of the multi-frequency antenna structure of the present invention; the second figure is another of the multi-frequency antenna structure of the present invention. - The schematic diagram of the embodiment; the second diagram is the voltage standing wave ratio (service) energy measurement curve of the multi-frequency antenna structure of the present invention; the fourth figure is the measurement curve of the input impedance of the multi-frequency antenna structure of the present invention Figure 5 is a schematic diagram of still another embodiment of the multi-frequency antenna structure of the present invention; Figure 6 is a voltage standing wave ratio (VSWR) energy measurement curve of the multi-frequency antenna structure of the present invention; It is a measurement curve of the input impedance of the multi-frequency antenna structure of the present invention; and the eighth figure is a three-dimensional diagram of the metal forming of the multi-frequency antenna structure of the fifth figure. 1286856 [Description of main component symbols] s: multi-frequency antenna structure; 11: ground plane; 12: first radiating metal arm; 121 first feed point; 122 and 123: radiating metal arm; 13: first parasitic short-circuit metal arm 131 and 132: metal arm; 14: second parasitic short metal arm; 141 and 142: metal arm; 21: ground plane; 22: first radiating metal arm; 221: first feed point; 222 and 223: radiation Metal arm; 224: end; 23: first parasitic short-circuited metal arm; 231 and 232: metal arm; 233: end; 24: second parasitic short-circuited metal arm; 241, 242 and 243: metal arm; 25: third parasitic Short-circuit metal arm; 251 and 252: metal arm; 26: another ground plane; a, b, c and d: frequency band; Μ: multi-frequency antenna structure; 51: second radiating metal arm; 511: second feed point 512 and 513: radiating metal arm; 52: third radiating metal arm 521: radiating metal arm; 53: shorting metal arm; e, f, g, and h: frequency band; 61: first feed line; 611: outer ground conductor ; 62: second feed line; and 621: outer ground conductor.