TW200522440A - Multi-band antenna - Google Patents
Multi-band antenna Download PDFInfo
- Publication number
- TW200522440A TW200522440A TW092136635A TW92136635A TW200522440A TW 200522440 A TW200522440 A TW 200522440A TW 092136635 A TW092136635 A TW 092136635A TW 92136635 A TW92136635 A TW 92136635A TW 200522440 A TW200522440 A TW 200522440A
- Authority
- TW
- Taiwan
- Prior art keywords
- band
- frequency
- patent application
- scope
- item
- Prior art date
Links
- 230000005855 radiation Effects 0.000 claims abstract description 12
- 229910052751 metal Inorganic materials 0.000 claims description 10
- 239000002184 metal Substances 0.000 claims description 10
- 230000008878 coupling Effects 0.000 claims 2
- 238000010168 coupling process Methods 0.000 claims 2
- 238000005859 coupling reaction Methods 0.000 claims 2
- 239000004020 conductor Substances 0.000 abstract description 5
- 238000013461 design Methods 0.000 description 11
- 230000000694 effects Effects 0.000 description 7
- 230000008054 signal transmission Effects 0.000 description 6
- 238000002955 isolation Methods 0.000 description 5
- 230000008901 benefit Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 229910052691 Erbium Inorganic materials 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 230000005672 electromagnetic field Effects 0.000 description 1
- 230000005670 electromagnetic radiation Effects 0.000 description 1
- UYAHIZSMUZPPFV-UHFFFAOYSA-N erbium Chemical compound [Er] UYAHIZSMUZPPFV-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—Supports; Mounting means
- H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
- H01Q1/24—Supports; Mounting means by structural association with other equipment or articles with receiving set
- H01Q1/241—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM
- H01Q1/242—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for hand-held use
- H01Q1/243—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for hand-held use with built-in antennas
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q19/00—Combinations of primary active antenna elements and units with secondary devices, e.g. with quasi-optical devices, for giving the antenna a desired directional characteristic
- H01Q19/005—Patch antenna using one or more coplanar parasitic elements
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
- H01Q5/30—Arrangements for providing operation on different wavebands
- H01Q5/307—Individual or coupled radiating elements, each element being fed in an unspecified way
- H01Q5/342—Individual or coupled radiating elements, each element being fed in an unspecified way for different propagation modes
- H01Q5/357—Individual or coupled radiating elements, each element being fed in an unspecified way for different propagation modes using a single feed point
- H01Q5/364—Creating multiple current paths
- H01Q5/371—Branching current paths
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
- H01Q5/30—Arrangements for providing operation on different wavebands
- H01Q5/378—Combination of fed elements with parasitic elements
- H01Q5/385—Two or more parasitic elements
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q9/00—Electrically-short antennas having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
- H01Q9/04—Resonant antennas
- H01Q9/0407—Substantially flat resonant element parallel to ground plane, e.g. patch antenna
- H01Q9/0421—Substantially flat resonant element parallel to ground plane, e.g. patch antenna with a shorting wall or a shorting pin at one end of the element
Description
200522440 五、發明說明(1) 【發明所屬之技術領域】 本發明是有關於一種天線,且特別是有關於一種多頻 段(Multi-band)天線。 【先前技術】 在無線通訊系統中,天線是電磁波信號傳遞的窗口, 其電氣特性的良窳直接左右了通訊品質。一般天線在操作 時,常需要面對多重路徑(Multi-path)的干擾問題,而對
策之一,便是利用天線分集(Antenna Diversity)的架構 來提升信號收發的品質與效能。當系統操作於單一頻段 時,可以利用兩支(或以上)單頻天線組成天線分集系 統,例如無線區域網路WLAN 802· 1 la所使用之5GHz頻段或 WLAN 802.11b所使用之2.4GHz頻段,即可利用一支主要 (Master)天線及一支從屬(Slave)天線來達到天線分集的 目的。主要天線負責發射及接收訊號,而從屬天線則僅從 事訊號之接收,故接收訊號時可依接收訊號之強度擇一進 行接收。此外’ WLAN 802· 1 lg之2· 4GHz頻段,則規劃兩支 天線皆負責接收及發射的功能,並依訊號的品質擇一使 用,以便收發來自不同方向的電磁波。
然而當系統採雙頻(Dual-band)甚至多頻段操作時, 大部份的天線系統皆採用多組獨立天線或是複合式天線丨 ,又计方式’來達到天線分集的目@,以期能保有各頻段丨 良好特性。因此至少需使用四支天線才能滿足界副 802.1 1a/b/g所需之操作頻率範圍:2.42 4835GHz、5 ^
200522440 五、發明說明(2) ---- 〜5.35GHz、5·47〜5.725GHz 以及5. 725〜5.825GHz。很顯然 的,此等設計方式將大幅提昇射頻(RF )系統的複雜性,進 而降低操作時的可靠度並增加生產成本。 另一方面,多頻段的天線設計技巧,乃利用共振結構 的倍頻效應創作出多組共振模態,藉以實現多頻操作^目 的。然而此一設計的限制,是每個共振模態的中心頻率彼 此間互為倍數關係,且所有頻寬皆屬窄頻,具有頻寬不易 拓展的缺點。例如:一般無線區域網路使用之2· 4GHz及 5GHz雙頻天線,通常只是將24GHz頻段之兩倍頻共振模態 (即4· 8GHz )的結構參數稍事調整,便用來收發5GHz之^ 磁波訊號;職是之故,高頻段的電磁波傳輸效率往往較 差’大幅影響信號品質。不僅如此,由於每一共振模雜間 存在著倍數關係,故而對於WLAN 8〇2Ua/b/g所需運&的 頻率範圍:2· 4〜2. 4835 GHz、5· 15 〜5. 35 GHz、5. 47〜 5.725 GHz以及5·725〜5.825 GHz,此種作法顯然無法適 用,因為在5GHz頻率範圍的每一頻段,彼此間並非倍頻關 係且整體頻寬相當寬闊(接近1G Η z)。基於上述理由,在 WLAN 802· 11 a/b與WLAN 802· 11 a/g的應用中,該如何開發 出能兼顧各頻段的操作特性、同時又具有體積優勢的天 線’對所有設計者而言,不啻是極難突破的瓶頸。 【發明内容】 有鐘於此,本發明之目的就是在提供一種多頻天線, 利用一體成型的單一天線本體產生多頻操作特性,並搭配
200522440
屏蔽金屬使系統在很小的空 磁相容性。 間下兼具良好的高頻特性與電 此天線之簡 根據本發明的目的,提出一種多頻天線 述如下: 多頻天線同時具有一低 頻寬,包括輻射元件、接地 器。輻射元件具有一用以傳 射臂,其中第一與第二輻射 態,用以聯合實現高頻段操 共振模態,以實現低頻段操 藉短路元件互相連接以縮小 路調節器可增進高頻響應時 可利用同軸線傳輸天線信號 件以做為饋入點,外導體則 為#说接地之用。 頻段操作頻寬及一高頻段操作 平面、短路元件及短路調節 輸天線信號之饋入點及數個轄 臂分別具有第一及第二共振模 作頻寬,第三輻射臂具有第三 作頻見^接地平面與輻射元件 天線尺寸,且接地平面上的短 的阻抗匹配。在實際應用上, ’同轴線之芯線耦接至輻射元 與接地平面之接地點耦接以做
^為讓本發明之上述目的、特徵、和優點能更明顯易 懂,下文特舉-較佳實施例,並配合所附圖式,作詳細說 明如下: 【實施方式】 印參照第1 A圖,其繪示依照本發明一較佳實施例所提 供的一種多頻天線示意圖。多頻天線丨〇 〇採一體成形之設 计’具有#δ射元件、接地平面GPN、短路元件st及短路調 節器(regulator ) REG,其中輻射元件可由輻射臂11〇,
TW1331F(廣達).ptd 第7頁 200522440 五、發明說明(4) I 5 0, 1 7 0所組成,使多頻天線1 〇 〇能具有多頻段的操作特 性。下文中,將以WLAN 802· 11a/b 及WLAN 802. 1 1 a/g 的應 用為例,說明多頻天線100是如何滿足2· 4GHz及5GHz兩頻 段運作所需的操作頻寬;為方便說明起見,吾人將2. 4〜 2· 48 35 GHz的頻率範圍定義為低操作頻寬,將5. 1 5〜5. 825 G Η z的頻率範圍定義為高操作頻寬,以符合多頻段操作的 設計需求。 在信號傳輸方面,輻射元件上的饋入點F與接地平面 GPN上的接地點G,係為多頻天線1〇〇與傳輸線間的接觸 點。以同軸線的應用為例,其芯線可焊接至輻射元件處以 做為天線信號的饋入點F,其外導體則與接地點g連接以做 為信號接地之用。更進一步來看,輻射元件實由輻射臂 II 〇,1 5 0,1 7 0三部分所組成,經解析後,可將上述輻射 臂分別繪示,如第1Β圖所示。以長度而論,輻射臂11 〇之 長度最長、輻射臂1 50次之、輻射臂1 70最短,因此輻射臂 110由開路端(open end)至饋入點F所形成的電流路徑 L1,在設計時即以2· 4GHz的頻率響應為依據,使輻射臂 11 〇的共振模態能令多頻天線1 〇 〇滿足低操作頻寬的設計需 求。 此外,由於多頻天線100對5GHz頻段的頻寬要求極為 寬闊’因此本發明分別以輻射臂丨5〇, 170來負責高操作頻 寬中的低頻及高頻特性。亦即,設計時讓兩輻射臂的操作 頻寬有部分重疊(例如輻射臂丨5 〇的頻寬為5. 1 5〜5. 5 GHz,而輻射臂17〇的頻寬為5·4〜5.825 GHz),以聯合實
200522440
現5 GHz頻段的寬頻要求;換言之,5 gh 士 輕射臂15G與ϋ射臂17G所共同貢獻。 二之由 150與輻射臂170可採Z型對稱結構以括展頻寬’ ^射 由開路端至饋入點F所形成的電流路徑L2
Tf fn Y// ^ ^ ^ ^ 1150 ^ Μ ^ „ ^5315 GHz的頻寬要求。另一方面,輻射臂ΐ7〇由開路端 =點F所形成的電流路徑L3,可以56 GHz左右的 塑 應為設計依據,冑輻射臂17〇β共振模態曰 GHz的頻寬要求。 ~ 4 1 825
此等天線結構的另一個重點,在於短路元件以 置。由於短路元件ST可將輕#元件與接地平面㈣短:, 其短路效應與平面倒F天線(planar inverted F antenna,PIFA)的結構相似,故有助於天線尺寸的微小 化。此外,也由於短路元件^與接地點G分離,使2· 4 與5 GHz兩頻段間的牵動性降低,使射頻特性得以最佳 化。為使天線體積更加小巧,在實際應用中可將短路元 ST、輻射臂11〇,150, no、短路調節器REG、接地平面 GPN及接地點G等加以折疊,如第2A圖所繪示。 接著請參照第2B圖,其繪示折疊後的多頻天線1〇〇與 同軸線200耦接時的情形。同軸線2〇〇的芯線21〇耦接至輻 射元件做為天線信號的饋入點F,而同軸線2 〇 〇的外導體 2未標示)則與接地點G耦接做為信號接地之用。需要注 意的是,吾人可利用螺絲250將短路調節器REG與屏蔽金屬 短路,使電磁場的切割截面積增加,提升信號收發的品質
200522440 五、發明說明(6) (下文將配合圖式s兒明)。另一方面,短路調節器REG盥 接地平面GPN之間留有間隙GAP,是以短路調節可視 為接地平面GPN的延伸,對多頻天線1〇〇的阻抗匹配 (impedance matching)有所助益;尤其在5 GHz頻段的 返回損失(return loss)方面,加入短路調節器REG的設 計後有相當程度的改善。 研參照第3圖’其緣示多頻天線配置於筆記型電腦内 的情形。筆記型電腦300内配置有屏蔽金屬33〇,用以降低 電磁干擾,提升系統抗輻射干擾的能力。在實務上,可將 數個多頻天線1 00 (本例為2個)組成天線分集架構,並以 螺絲250鎖在屏蔽金屬330上,利用屏蔽金屬33〇增加天線 表面積,使多頻天線1〇〇能有更好的接收(或發射)效、 果。在這樣的理念下,屏蔽金屬33〇將成為廣義的天線元 件之二,,信號收發有正面幫助,在天線設計時若將其效 應一併考量,便可使筆記型電腦3〇 〇的無線效能達到最佳> 化。此外,由於多頻天線丨〇〇係隔離設置於筆記型電腦^ 應的兩端,故可降低訊號收發時的互相干擾,、 切換選擇的效果。 ’二間 請參考第4圖,其繪示本發明所提出之多頻天線的 回損失篁測結果。在低頻部分,由標記丨、標記2及杈 可知操作頻率由2·4〜2· 5 GHz的返回損失皆低於—1〇 =, 且中心頻率2·45 GHz處為一 27·97 dB。在高頻部份 5^ 825 GHz^
圍可擴大到自4· 9 GHz到6· 〇 GHz(返回損失仍小於—1Q
200522440
d B ’由標記4,5可知)’涵蓋了其他諸如曰本、澳洲等地 區所使用的4· 9GHz頻段規格’可以說在良好的阻抗匹配要 求下,5GHz頻段可以調出很大的頻寬(約1GHz)。另外,在 2.4GHz 頻段部份,在 WLAN802.1 1b 或 WLAN 802.1 1g 之操作 頻率範圍·· 2· 4GHz到2· 4835GHz,其返回損失皆低於一μ 1 0dB,就一般業界規格而言,本發明天線所具有之高操作 頻寬,實際包括了5. 15GHz〜5. 35 GHz、L GHz、 5· 725〜5· 825 GHz等三個不同頻段,換句話說,此等多頻 天線僅以一體成形之結構,即共振出至少四個頻段之電磁 波0
請參考表一及表二,其表列出本發明所提出之多頻天 線於低頻(2· 4GHz)及高頻(5GHz)頻段之天線增益測量值, 其中天線係沿第2A圖及第2B圖中之X軸放置,以測量χ_γ平 面之增益值。由2· 4GHz頻段各頻率的尖峰增益(peak Gam)近於〇dB可知其輻射場型近似均勻的圓形,而“。頻 =2峰二益約ΐ〇·93〜3·79仆之間,其輻射場型近似橢 7 · z頻#又之平均增益(Average Gai η)皆大於-
200522440 五、發明說明(8)
頻李範圍 2.4 GHz 頻段、 頻率(GHz) 2.40 2.45 2.4835 尖峰增ii(dBi) 0.14 -0.47 .......... 0.6 平均增益(dBi) -2.39 -2.75 -2.53 表一 頻李範圍 5 GHz頻段、 頻率(GHz) 4.9 5.15 5.25 5.35 5.47、 尖峰增益(dBi) 3.71 3.79 3.56 3.60 —^ 3.23 乎均增益(dBi) -3.10 -3.13 -2.78 -2.11 -1.85^ 頻孪(GHz) 5.5975 5.725 5.775 5.825 尖峰增& (dBi) 1.35 1.64 1.08 0.93 ~—. 平均增 -2.34 -2.12 -2.36 •2.90 1 " 表二 接著請參照第5圖,其繪示本發明所提出之多頻天線 執行隔離(Iso 1 at ion)測試後的結果,電磁波信號由甲天 線發出後由乙天線接收,以得知電磁波的隔離特性。由 圖可看出,在雙天線系統中,2· 52 GHz與4· 89 GHz兩頻$ 之電性隔離度分別為-20·9 dB及-26.28 dB,隔離效果十 分良好。 綜上所述,本發明所提出之多頻天線至少具有以下優
TW1331F(廣達).ptd 第12頁 200522440 五、發明說明(9) 點·· 、^線本體為一體成型之導體結構,可降低生產成 本及提升高頻特性的穩定度。 二、由兩個長度接近的輻射臂互相搭配,以達到阻抗 匹配及拓展頻寬的效果。 一、以短路元件連接輻射元件及接地平面,可有效縮 小天線體積。 四、 短路調節器可增進高頻模態的阻抗匹配
五、 天線與屏蔽金屬電性連接可提昇電磁輻射效率並 兼具電磁相容之考量以提昇系統之高頻表現。 八、結構簡f、體積小,十分適用在隱藏式天線系 統。 、、’、τ、上所述雖然本發明已以一較佳實施例揭露如上-然其並非用以限定本發明,任何熟習此技藝者’在不脫離 Π月之精神和範圍内’當可作各種之更動與满飾,因此 γ明之保護範圍當視後附之中請專利範圍所界定者為
200522440 圖式簡單說明 【圖式簡單說明】 第1 A圖繪示依照本發明一較佳實施例所提供的一種多 頻天線示意圖。 第1 B圖係解析第1A圖之各輻射臂。 第2 A圖繪示折疊後的多頻天線示意圖。 第2B圖繪示折疊後的多頻天線與同軸線耦接時的情 形。 第3圖繪示多頻天線配置於筆記型電腦内的情形。 第4圖繪示本發明所提出之多頻天線的返回損失量測 結果。 第5圖繪示本發明所提出之多頻天線執行隔離測試後 的結果。 圖式標號說明 1 0 0 :多頻天線 110, 150, 170 :輻射臂 2 0 0 :同軸線 21 0 :芯線 2 5 0 :螺絲 3 0 0 :筆記型電腦 330 :屏蔽金屬 F :饋入點 G :接地點 GPN :接地平面
TW1331F(廣達).ptd 第14頁 200522440
TW1331F(廣達).ptd 第15頁
Claims (1)
- 200522440 六、申請專利範圍 .二種多頻天線,具有一高頻段操作頻寬及一低頻段 操作頻見,該多頻天線包括·· # J 4輻射元件,具有一用以傳輸天線信號之饋入點及複 數個輻射臂,該些輻射臂包括·· 一第一輕射臂,耦接至該饋入點,該第一輻射臂 具有一第一共振模態; 一第二輻射臂,耦接至該饋入點,該第二輻射臂 ^ Ϊ 7第,共振模態,其中,該高頻段操作頻寬係由該第 一 一振模態與該第二共振模態聯合實現;及 且 :第二輻射臂,耦接至該饋入點,該第三輻射臂 ,、有一第三共振模態以實現該低頻段操作頻寬·, 接地平面’該接地平面具有一接地點;以及 一短路元件,用以將該輻射元件耦接至該接地平面。 一 2·如申請專利範圍第1項所述之多頻天線,其中該第 一輻射臂係與該第二輻射臂合成一對稱結構。 其中該對 其中該局 其中該低 其中該輻 3·如申請專利範圍第2項所述之多頻天線, 稱結構係Ζ型結構。 4·如申請專利範圍第1項所述之多頻天線, 頻段操作頻寬屬5GHz頻段。 5 ·如申請專利範圍第1項所述之多頻天線, 頻段操作頻寬屬2· 4GHz頻段。 6 ·如申請專利範圍第1項所述之多頻天線, 射兀件、該接地平面及該短路元件係一體成形 7 ·如申請專利範圍第1項所述之多頻天線,更包括 第16頁 TW1331F(廣達).pt(1 200522440器與該接地平面耦接並形成一間 於該高頻段操作頻寬與該低頻段 六、申請專利範圍 短路調節器’該短路調節 隙,用以加強該多頻天線 操作頻寬之阻抗匹配。 頻 段 8.如申請專利範圍第7項所述之多頻天線,苴中該高 段操作頻寬屬5GHz頻段,該低頻段操作頻寬屬2.4GHz頻 9.如申請專利範圍第7項所述之多頻天線,其中該第 一輻射臂係與該第二輻射臂合成一 Z型結構。’、 1:·如申請專利範圍第7項所述之多頻天線,其中該輻 :疋件、該接地平面、該短路元件及該短路調節器係 成形。 11· 一種筆記型電腦,包括: 一屏蔽金屬,用以降低電磁干擾;以及 -天線’具有一高頻段操作頻寬及一低頻段 頻寬,包括: 芬、自叙伽Γ輻射元件,具有一用以傳輸天線信號之饋入點 及複數個輕射臂,該些輻射臂包括: 一第—輻射臂,耦接至該饋入點,該第一転 射臂具有一第一共振模態; 一第二輻射臂,耦接至該饋入點,該第二輕 具ϊ —第二共振模態,#中,該高頻段操作頻寬係: 孩第一 /、振模態與該第二共振模態聯合實現;及 免 一第三輻射臂,耦接至該饋入點,該第三幸s 射臂具有一第三共振模態以實現該低頻段操作頻寬;均TW1331F(廣達).ptd 第17頁200522440 六、申請專利範圍 一接地平面,該接地平面耦接至該屏蔽金屬並且 有一接地點;及 ’、 一短路元件,用以將該輻射元件耦接至該接地 面。 12·如申請專利範圍第n項所述之多頻天線,其中該 第一輻射臂係與該第二輻射臂合成一對稱結構。 13·如申請專利範圍第12項所述之多頻天線,其 對稱結構係Z型結構。 ’、〃 ^ 14 ·如申請專利範圍第11項所述之多頻天線,其中該 高頻段操作頻寬屬5GHz頻段。 、X1 5·如申請專利範圍第11項所述之多頻天線,其中該 低頻段操作頻寬屬2· 4GHz頻段。 一 16·如申請專利範圍第11項所述之多頻天線,其中該 輕射元件、該接地平面及該短路元件係一體成形。 1 7 ·如申請專利範圍第丨丨項所述之多頻天線,更包括 一短路調節器,該短路調節器與該接地平面耦接並形成一 間隙,用以加強該多頻天線於該高頻段操作頻寬與該低頻 段操作頻寬之阻抗匹配。一 1 8 ·如申請專利範圍第1 7項所述之多頻天線,其中該 南頻段操作頻寬屬5GHz頻段,該低頻段操作頻寬屬2. 4GHz 頻段。 1 9 ·如申請專利範圍第1 7項所述之多頻天線,其中該 第一輻射臂係與該第二輻射臂合成/ Z型結構。 2 0 ·如申請專利範圍第丨了項所述之多頻天線,其中該200522440
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
TW092136635A TWI254488B (en) | 2003-12-23 | 2003-12-23 | Multi-band antenna |
US10/995,476 US7148849B2 (en) | 2003-12-23 | 2004-11-24 | Multi-band antenna |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
TW092136635A TWI254488B (en) | 2003-12-23 | 2003-12-23 | Multi-band antenna |
Publications (2)
Publication Number | Publication Date |
---|---|
TW200522440A true TW200522440A (en) | 2005-07-01 |
TWI254488B TWI254488B (en) | 2006-05-01 |
Family
ID=34676179
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
TW092136635A TWI254488B (en) | 2003-12-23 | 2003-12-23 | Multi-band antenna |
Country Status (2)
Country | Link |
---|---|
US (1) | US7148849B2 (zh) |
TW (1) | TWI254488B (zh) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101777701A (zh) * | 2009-01-13 | 2010-07-14 | 广达电脑股份有限公司 | 天线装置及其天线 |
CN101557037B (zh) * | 2008-04-09 | 2013-05-08 | 广达电脑股份有限公司 | 双馈入双频天线 |
CN101777702B (zh) * | 2009-01-13 | 2016-08-17 | 广达电脑股份有限公司 | 天线装置及天线 |
TWI682586B (zh) * | 2017-07-03 | 2020-01-11 | 仁寶電腦工業股份有限公司 | 多頻天線 |
Families Citing this family (195)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7417588B2 (en) | 2004-01-30 | 2008-08-26 | Fractus, S.A. | Multi-band monopole antennas for mobile network communications devices |
EP1763905A4 (en) | 2004-06-28 | 2012-08-29 | Pulse Finland Oy | ANTENNA COMPONENT |
TW200614593A (en) * | 2004-10-28 | 2006-05-01 | Wistron Neweb Corp | Antenna for portable electronic device |
US7308291B2 (en) * | 2004-12-15 | 2007-12-11 | Motorola Inc. | Antenna for sending and receiving signals in a plurality of frequency bands |
TWM275550U (en) * | 2005-02-25 | 2005-09-11 | Speed Tech Corp | Improvement of planar inversed-F type antenna |
GB0512281D0 (en) * | 2005-06-16 | 2005-07-27 | Antenova Ltd | Resonant devices to improve antennna performance in handsets and data terminals |
FI20055420A0 (fi) | 2005-07-25 | 2005-07-25 | Lk Products Oy | Säädettävä monikaista antenni |
TWI347031B (en) * | 2005-08-22 | 2011-08-11 | Hon Hai Prec Ind Co Ltd | Multi-band antenna |
FI119009B (fi) | 2005-10-03 | 2008-06-13 | Pulse Finland Oy | Monikaistainen antennijärjestelmä |
FI119535B (fi) * | 2005-10-03 | 2008-12-15 | Pulse Finland Oy | Monikaistainen antennijärjestelmä |
FI118872B (fi) | 2005-10-10 | 2008-04-15 | Pulse Finland Oy | Sisäinen antenni |
FI118782B (fi) | 2005-10-14 | 2008-03-14 | Pulse Finland Oy | Säädettävä antenni |
TWI318022B (en) * | 2005-11-09 | 2009-12-01 | Wistron Neweb Corp | Slot and multi-inverted-f coupling wideband antenna and electronic device thereof |
CN101043101A (zh) * | 2006-03-20 | 2007-09-26 | 松下电器产业株式会社 | 用于移动通信终端的单馈线内置多频段天线 |
JP4163723B2 (ja) * | 2006-05-26 | 2008-10-08 | 株式会社東芝 | パーソナルコンピュータ |
TWI338977B (en) * | 2006-06-15 | 2011-03-11 | Ind Tech Res Inst | Broadband antenna |
TWI329386B (en) * | 2006-07-04 | 2010-08-21 | Wistron Neweb Corp | Antenna |
US8618990B2 (en) | 2011-04-13 | 2013-12-31 | Pulse Finland Oy | Wideband antenna and methods |
US7427956B2 (en) * | 2006-11-27 | 2008-09-23 | Speed Tech Corp. | Antenna structure |
JP2008160314A (ja) * | 2006-12-21 | 2008-07-10 | Fujitsu Ltd | アンテナ装置及び無線通信装置 |
US10211538B2 (en) | 2006-12-28 | 2019-02-19 | Pulse Finland Oy | Directional antenna apparatus and methods |
FI20075269A0 (fi) | 2007-04-19 | 2007-04-19 | Pulse Finland Oy | Menetelmä ja järjestely antennin sovittamiseksi |
FI120427B (fi) | 2007-08-30 | 2009-10-15 | Pulse Finland Oy | Säädettävä monikaista-antenni |
TWI369028B (en) * | 2007-09-10 | 2012-07-21 | Hon Hai Prec Ind Co Ltd | Multi-band antenna |
FI124129B (fi) * | 2007-09-28 | 2014-03-31 | Pulse Finland Oy | Kaksoisantenni |
TW200922002A (en) * | 2007-11-05 | 2009-05-16 | Mitac Technology Corp | Planar inverted-F antenna with vertical grounding plane |
TWI381578B (zh) * | 2008-01-16 | 2013-01-01 | Quanta Comp Inc | Small antenna |
TWI413298B (zh) * | 2008-04-01 | 2013-10-21 | Quanta Comp Inc | Ultra wideband antenna |
EP2291884A4 (en) * | 2008-05-19 | 2013-01-02 | Galtronics Corp Ltd | ANTENNA THAT CAN BE CONFORMED |
KR101054615B1 (ko) | 2009-01-20 | 2011-08-04 | 주식회사 아모텍 | 휴대 단말용 다중 대역 안테나 및 이를 구비한 휴대용 단말 |
WO2009154417A2 (ko) * | 2008-06-18 | 2009-12-23 | 주식회사 아모텍 | 휴대 단말기용 다중대역 안테나 및 이를 구비한 휴대 단말기 |
US7994988B2 (en) * | 2008-11-10 | 2011-08-09 | Cheng Uei Precision Industry Co., Ltd. | Dual-band antenna |
FI20096134A0 (fi) | 2009-11-03 | 2009-11-03 | Pulse Finland Oy | Säädettävä antenni |
FI20096251A0 (sv) | 2009-11-27 | 2009-11-27 | Pulse Finland Oy | MIMO-antenn |
US8847833B2 (en) | 2009-12-29 | 2014-09-30 | Pulse Finland Oy | Loop resonator apparatus and methods for enhanced field control |
FI20105158A (fi) | 2010-02-18 | 2011-08-19 | Pulse Finland Oy | Kuorisäteilijällä varustettu antenni |
US9406998B2 (en) | 2010-04-21 | 2016-08-02 | Pulse Finland Oy | Distributed multiband antenna and methods |
US8456366B2 (en) * | 2010-04-26 | 2013-06-04 | Sony Corporation | Communications structures including antennas with separate antenna branches coupled to feed and ground conductors |
KR101649016B1 (ko) * | 2010-10-12 | 2016-08-17 | 몰렉스 엘엘씨 | 듀얼 안테나, 단일 피드 시스템 |
FI20115072A0 (fi) | 2011-01-25 | 2011-01-25 | Pulse Finland Oy | Moniresonanssiantenni, -antennimoduuli ja radiolaite |
US8648752B2 (en) | 2011-02-11 | 2014-02-11 | Pulse Finland Oy | Chassis-excited antenna apparatus and methods |
US9673507B2 (en) | 2011-02-11 | 2017-06-06 | Pulse Finland Oy | Chassis-excited antenna apparatus and methods |
US8872712B2 (en) * | 2011-06-08 | 2014-10-28 | Amazon Technologies, Inc. | Multi-band antenna |
US8866689B2 (en) | 2011-07-07 | 2014-10-21 | Pulse Finland Oy | Multi-band antenna and methods for long term evolution wireless system |
US9450291B2 (en) | 2011-07-25 | 2016-09-20 | Pulse Finland Oy | Multiband slot loop antenna apparatus and methods |
US9123990B2 (en) | 2011-10-07 | 2015-09-01 | Pulse Finland Oy | Multi-feed antenna apparatus and methods |
US9531058B2 (en) | 2011-12-20 | 2016-12-27 | Pulse Finland Oy | Loosely-coupled radio antenna apparatus and methods |
US9484619B2 (en) | 2011-12-21 | 2016-11-01 | Pulse Finland Oy | Switchable diversity antenna apparatus and methods |
US8988296B2 (en) | 2012-04-04 | 2015-03-24 | Pulse Finland Oy | Compact polarized antenna and methods |
US9979078B2 (en) | 2012-10-25 | 2018-05-22 | Pulse Finland Oy | Modular cell antenna apparatus and methods |
US10069209B2 (en) | 2012-11-06 | 2018-09-04 | Pulse Finland Oy | Capacitively coupled antenna apparatus and methods |
JP6102211B2 (ja) * | 2012-11-20 | 2017-03-29 | 船井電機株式会社 | マルチアンテナ装置および通信機器 |
USD733104S1 (en) | 2013-01-18 | 2015-06-30 | Airgain, Inc. | Maximum beam antenna |
USD684565S1 (en) * | 2013-03-06 | 2013-06-18 | Airgain, Inc. | Antenna |
US9647338B2 (en) | 2013-03-11 | 2017-05-09 | Pulse Finland Oy | Coupled antenna structure and methods |
US10079428B2 (en) | 2013-03-11 | 2018-09-18 | Pulse Finland Oy | Coupled antenna structure and methods |
US9362621B1 (en) | 2013-05-23 | 2016-06-07 | Airgain, Inc. | Multi-band LTE antenna |
US9634383B2 (en) | 2013-06-26 | 2017-04-25 | Pulse Finland Oy | Galvanically separated non-interacting antenna sector apparatus and methods |
CN104347929B (zh) * | 2013-08-01 | 2017-05-03 | 富士康(昆山)电脑接插件有限公司 | 天线 |
USD747297S1 (en) | 2013-09-24 | 2016-01-12 | Airgain, Inc. | Multi-band LTE antenna |
USD735173S1 (en) | 2013-11-11 | 2015-07-28 | Airgain, Inc. | Antenna |
US9680212B2 (en) | 2013-11-20 | 2017-06-13 | Pulse Finland Oy | Capacitive grounding methods and apparatus for mobile devices |
US9590308B2 (en) | 2013-12-03 | 2017-03-07 | Pulse Electronics, Inc. | Reduced surface area antenna apparatus and mobile communications devices incorporating the same |
US9350081B2 (en) | 2014-01-14 | 2016-05-24 | Pulse Finland Oy | Switchable multi-radiator high band antenna apparatus |
USD787475S1 (en) * | 2014-01-22 | 2017-05-23 | Agc Automotive Americas R&D, Inc. | Antenna |
USD741301S1 (en) | 2014-01-27 | 2015-10-20 | Airgain, Inc. | Multi-band LTE antenna |
USD763832S1 (en) | 2014-04-17 | 2016-08-16 | Airgain Incorporated | Antenna |
USD776643S1 (en) | 2014-04-18 | 2017-01-17 | Airgain Incorporated | Antenna |
USD766884S1 (en) | 2014-05-19 | 2016-09-20 | Airgain Incorporated | Antenna |
US9520646B1 (en) * | 2014-06-21 | 2016-12-13 | Redpine Signals, Inc. | Dual-band compact printed circuit antenna for WLAN use |
US9948002B2 (en) | 2014-08-26 | 2018-04-17 | Pulse Finland Oy | Antenna apparatus with an integrated proximity sensor and methods |
US9973228B2 (en) | 2014-08-26 | 2018-05-15 | Pulse Finland Oy | Antenna apparatus with an integrated proximity sensor and methods |
US9722308B2 (en) | 2014-08-28 | 2017-08-01 | Pulse Finland Oy | Low passive intermodulation distributed antenna system for multiple-input multiple-output systems and methods of use |
USD767542S1 (en) | 2014-10-08 | 2016-09-27 | Airgain Incorporated | Antenna |
USD754108S1 (en) | 2014-10-29 | 2016-04-19 | Airgain, Inc. | Antenna |
USD795845S1 (en) | 2014-11-15 | 2017-08-29 | Airgain Incorporated | Antenna |
USD795846S1 (en) | 2014-11-15 | 2017-08-29 | Airgain Incorporated | Antenna |
USD798846S1 (en) | 2014-11-17 | 2017-10-03 | Airgain Incorporated | Antenna assembly |
USD750049S1 (en) * | 2014-11-26 | 2016-02-23 | World Products, Inc. | Dual-band Wi-Fi antenna |
USD804458S1 (en) | 2014-12-31 | 2017-12-05 | Airgain Incorporated | Antenna |
USD804457S1 (en) | 2014-12-31 | 2017-12-05 | Airgain Incorporated | Antenna assembly |
USD764446S1 (en) | 2015-02-04 | 2016-08-23 | Airgain Incorporated | Antenna |
USD763834S1 (en) | 2015-02-04 | 2016-08-16 | Airgain Incorporated | Antenna |
USD778881S1 (en) | 2015-02-04 | 2017-02-14 | Airgain Incorporated | Antenna |
USD785604S1 (en) | 2015-02-13 | 2017-05-02 | Airgain Incorporated | Antenna |
USD766221S1 (en) | 2015-02-28 | 2016-09-13 | Airgain, Inc. | Antenna |
USD766880S1 (en) | 2015-02-28 | 2016-09-20 | Airgain Incorporated | Antenna |
USD766220S1 (en) | 2015-02-28 | 2016-09-13 | Airgain, Inc. | Antenna |
USD789912S1 (en) | 2015-02-28 | 2017-06-20 | Airgain Incorporated | Antenna |
USD778882S1 (en) | 2015-03-06 | 2017-02-14 | Airgain Incorporated | Antenna |
USD768116S1 (en) | 2015-03-06 | 2016-10-04 | Airgain Incorporated | Antenna |
USD778883S1 (en) | 2015-03-06 | 2017-02-14 | Airgain Incorporated | Antenna |
USD765062S1 (en) | 2015-03-06 | 2016-08-30 | Airgain Incorporated | Antenna |
USD789913S1 (en) | 2015-03-31 | 2017-06-20 | Airgain Incorporated | Antenna |
USD768117S1 (en) | 2015-04-01 | 2016-10-04 | Airgain Incorporated | Antenna |
USD782448S1 (en) | 2015-04-10 | 2017-03-28 | Alrgain Incorporated | Antenna |
USD767543S1 (en) | 2015-04-13 | 2016-09-27 | Airgain Incorporated | Antenna |
USD764447S1 (en) | 2015-04-17 | 2016-08-23 | Airgain Incorporated | Antenna |
USD767544S1 (en) | 2015-04-18 | 2016-09-27 | Airgain Incorporated | Antenna |
USD768118S1 (en) | 2015-04-29 | 2016-10-04 | Airgain Incorporated | Antenna |
USD766882S1 (en) | 2015-05-07 | 2016-09-20 | Airgain Incorporated | Antenna |
USD802566S1 (en) | 2015-05-24 | 2017-11-14 | Airgain Incorporated | Antenna |
USD766883S1 (en) | 2015-05-24 | 2016-09-20 | Airgain Incorporated | Antenna |
USD797708S1 (en) | 2015-05-24 | 2017-09-19 | Airgain Incorporated | Antenna |
USD803194S1 (en) | 2015-05-24 | 2017-11-21 | Airgain Incorporated | Antenna |
USD795227S1 (en) | 2015-06-09 | 2017-08-22 | Airgain Incorporated | Antenna |
USD798276S1 (en) | 2015-07-10 | 2017-09-26 | Airgain Incorporated | Antenna |
USD799453S1 (en) | 2015-07-15 | 2017-10-10 | Airgain Incorporated | Antenna |
USD810056S1 (en) | 2015-07-15 | 2018-02-13 | Airgain Incorporated | Antenna |
USD802567S1 (en) | 2015-07-16 | 2017-11-14 | Airgain Incorporated | Antenna |
US9906260B2 (en) | 2015-07-30 | 2018-02-27 | Pulse Finland Oy | Sensor-based closed loop antenna swapping apparatus and methods |
USD798277S1 (en) | 2015-08-12 | 2017-09-26 | Airgain Incorporated | Antenna |
USD788083S1 (en) | 2015-09-20 | 2017-05-30 | Airgain Incorporated | Antenna |
USD788082S1 (en) | 2015-09-20 | 2017-05-30 | Airgain Incorporated | Antenna |
USD789914S1 (en) | 2015-09-23 | 2017-06-20 | Airgain Incorporated | Antenna |
TWI594501B (zh) * | 2015-12-15 | 2017-08-01 | 華碩電腦股份有限公司 | 天線及其電子裝置 |
USD794616S1 (en) | 2016-01-30 | 2017-08-15 | Airgain Incorporated | Antenna |
USD802569S1 (en) | 2016-02-24 | 2017-11-14 | Airgain Incorporated | Antenna |
USD792870S1 (en) | 2016-02-25 | 2017-07-25 | Airgain Incorporated | Antenna |
USD791108S1 (en) | 2016-02-25 | 2017-07-04 | Airgain Incorporated | Antenna |
USD786840S1 (en) | 2016-02-25 | 2017-05-16 | Airgrain Incorporated | Antenna |
USD773444S1 (en) | 2016-02-25 | 2016-12-06 | Airgain Incorporated | Antenna |
USD792381S1 (en) | 2016-02-25 | 2017-07-18 | Airgain Incorporated | Antenna |
USD793998S1 (en) | 2016-02-25 | 2017-08-08 | Airgain Incorporated | Antenna |
USD792382S1 (en) | 2016-03-02 | 2017-07-18 | Airgain Incorporated | Antenna |
USD838694S1 (en) | 2016-03-03 | 2019-01-22 | Airgain Incorporated | Antenna |
USD829693S1 (en) | 2016-03-04 | 2018-10-02 | Airgain Incorporated | Antenna |
USD795228S1 (en) | 2016-03-04 | 2017-08-22 | Airgain Incorporated | Antenna |
US10164324B1 (en) | 2016-03-04 | 2018-12-25 | Airgain Incorporated | Antenna placement topologies for wireless network system throughputs improvement |
USD801955S1 (en) | 2016-03-04 | 2017-11-07 | Airgain Incorporated | Antenna |
USD801956S1 (en) | 2016-03-08 | 2017-11-07 | Airgain Incorporated | Antenna |
USD795847S1 (en) | 2016-03-08 | 2017-08-29 | Airgain Incorporated | Antenna |
USD792871S1 (en) | 2016-03-10 | 2017-07-25 | Airgain Incorporated | Antenna |
USD780723S1 (en) | 2016-03-14 | 2017-03-07 | Airgain Incorporated | Antenna |
USD795848S1 (en) | 2016-03-15 | 2017-08-29 | Airgain Incorporated | Antenna |
USD791745S1 (en) | 2016-04-13 | 2017-07-11 | Airgain Incorporated | Antenna |
USD794000S1 (en) | 2016-04-13 | 2017-08-08 | Airgain Incorporated | Antenna |
USD826909S1 (en) | 2016-06-06 | 2018-08-28 | Airgain Incorporated | Antenna |
USD832826S1 (en) | 2016-06-17 | 2018-11-06 | Airgain Incorporated | Antenna |
USD798278S1 (en) | 2016-06-20 | 2017-09-26 | Airgain Incorporated | Antenna |
USD815072S1 (en) | 2016-07-08 | 2018-04-10 | Airgain Incorporated | Antenna |
USD799458S1 (en) | 2016-07-08 | 2017-10-10 | Airgain Incorporated | Antenna |
USD799457S1 (en) | 2016-07-08 | 2017-10-10 | Airgain Incorporated | Antenna |
USD812596S1 (en) | 2016-08-02 | 2018-03-13 | Airgain, Inc. | Antenna |
USD812044S1 (en) | 2016-08-02 | 2018-03-06 | Airgain Incorporated | Antenna |
USD810058S1 (en) | 2016-08-18 | 2018-02-13 | Airgain Incorporated | Antenna apparatus |
USD798279S1 (en) | 2016-09-21 | 2017-09-26 | Airgain Incorporated | Antenna |
USD798280S1 (en) | 2016-09-22 | 2017-09-26 | Airgain Incorporated | Antenna |
USD807332S1 (en) | 2016-10-05 | 2018-01-09 | Airgain Incorporated | Antenna |
USD788086S1 (en) | 2016-10-11 | 2017-05-30 | Airgain Incorporated | Antenna |
USD803198S1 (en) | 2016-10-11 | 2017-11-21 | Airgain Incorporated | Antenna |
USD803197S1 (en) | 2016-10-11 | 2017-11-21 | Airgain Incorporated | Set of antennas |
USD793373S1 (en) | 2016-10-26 | 2017-08-01 | Airgain Incorporated | Antenna |
USD807333S1 (en) | 2016-11-06 | 2018-01-09 | Airgain Incorporated | Set of antennas |
USD807334S1 (en) | 2016-11-21 | 2018-01-09 | Airgain Incorporated | Antenna |
USD816644S1 (en) | 2016-12-09 | 2018-05-01 | Airgain Incorporated | Antenna |
USD816643S1 (en) | 2016-12-09 | 2018-05-01 | Airgain Incorporated | Antenna |
US9912043B1 (en) | 2016-12-31 | 2018-03-06 | Airgain Incorporated | Antenna system for a large appliance |
US10305182B1 (en) | 2017-02-15 | 2019-05-28 | Airgain Incorporated | Balanced antenna |
USD824886S1 (en) | 2017-02-25 | 2018-08-07 | Airgain Incorporated | Antenna |
USD824885S1 (en) | 2017-02-25 | 2018-08-07 | Airgain Incorporated | Multiple antennas assembly |
USD846535S1 (en) | 2017-02-25 | 2019-04-23 | Airgain Incorporated | Antenna |
TWI628865B (zh) * | 2017-03-24 | 2018-07-01 | 和碩聯合科技股份有限公司 | 天線結構及電子裝置 |
USD814448S1 (en) | 2017-04-11 | 2018-04-03 | Airgain Incorporated | Antenna |
USD818460S1 (en) | 2017-06-07 | 2018-05-22 | Airgain Incorporated | Antenna |
USD859371S1 (en) | 2017-06-07 | 2019-09-10 | Airgain Incorporated | Antenna assembly |
USD823285S1 (en) | 2017-06-07 | 2018-07-17 | Airgain Incorporated | Antenna |
USD842280S1 (en) | 2017-06-07 | 2019-03-05 | Airgain Incorporated | Antenna |
USD853363S1 (en) | 2017-06-08 | 2019-07-09 | Airgain Incorporated | Antenna |
USD852785S1 (en) | 2017-06-08 | 2019-07-02 | Airgain Incorporated | Antenna |
USD824887S1 (en) | 2017-07-21 | 2018-08-07 | Airgain Incorporated | Antenna |
USD863267S1 (en) | 2017-08-25 | 2019-10-15 | Airgain Incorporated | Antenna assembly |
USD856983S1 (en) | 2017-08-28 | 2019-08-20 | Airgain Incorporated | Antenna |
USD857671S1 (en) | 2017-08-31 | 2019-08-27 | Airgain Incorporated | Antenna |
USD826910S1 (en) | 2017-09-21 | 2018-08-28 | Airgain Incorporated | Antenna |
USD826911S1 (en) | 2017-09-21 | 2018-08-28 | Airgain Incorporated | Antenna |
USD832241S1 (en) | 2017-10-31 | 2018-10-30 | Airgain Incorporated | Antenna |
USD837770S1 (en) | 2017-11-14 | 2019-01-08 | Airgain Incorporated | Antenna |
US11239564B1 (en) | 2018-01-05 | 2022-02-01 | Airgain, Inc. | Co-located dipoles with mutually-orthogonal polarization |
USD859374S1 (en) | 2018-04-17 | 2019-09-10 | Airgain Incorporated | Antenna |
USD850426S1 (en) | 2018-04-17 | 2019-06-04 | Airgain Incorporated | Antenna |
USD849724S1 (en) | 2018-04-17 | 2019-05-28 | Airgain Incorporated | Antenna |
USD874446S1 (en) | 2018-04-17 | 2020-02-04 | Airgain Incorporated | Antenna |
USD838261S1 (en) | 2018-04-17 | 2019-01-15 | Airgain Incorporated | Antenna |
USD868757S1 (en) | 2018-06-18 | 2019-12-03 | Airgain Incorporated | Multi-element antenna |
US11165132B2 (en) | 2019-01-01 | 2021-11-02 | Airgain, Inc. | Antenna assembly for a vehicle |
US10931325B2 (en) | 2019-01-01 | 2021-02-23 | Airgain, Inc. | Antenna assembly for a vehicle |
US10511086B1 (en) | 2019-01-01 | 2019-12-17 | Airgain Incorporated | Antenna assembly for a vehicle |
US11621476B2 (en) | 2019-01-01 | 2023-04-04 | Airgain, Inc. | Antenna assembly for a vehicle with sleep sense command |
US11133589B2 (en) | 2019-01-03 | 2021-09-28 | Airgain, Inc. | Antenna |
US11296412B1 (en) | 2019-01-17 | 2022-04-05 | Airgain, Inc. | 5G broadband antenna |
US10868354B1 (en) | 2019-01-17 | 2020-12-15 | Airgain, Inc. | 5G broadband antenna |
US11757186B1 (en) | 2020-07-01 | 2023-09-12 | Airgain, Inc. | 5G ultra-wideband dipole antenna |
US11652279B2 (en) | 2020-07-03 | 2023-05-16 | Airgain, Inc. | 5G ultra-wideband monopole antenna |
CN115275575A (zh) * | 2022-06-24 | 2022-11-01 | Oppo广东移动通信有限公司 | 一种天线组件及电子设备 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2003085780A1 (en) * | 2002-04-04 | 2003-10-16 | Molex Incorporated | Tri-band antenna |
TW563274B (en) * | 2002-10-08 | 2003-11-21 | Wistron Neweb Corp | Dual-band antenna |
US6734825B1 (en) * | 2002-10-28 | 2004-05-11 | The National University Of Singapore | Miniature built-in multiple frequency band antenna |
TW555177U (en) * | 2002-11-29 | 2003-09-21 | Hon Hai Prec Ind Co Ltd | Multi-band antenna |
US20040104853A1 (en) * | 2002-12-02 | 2004-06-03 | Po-Chao Chen | Flat and leveled F antenna |
TW558084U (en) * | 2003-03-07 | 2003-10-11 | Hon Hai Prec Ind Co Ltd | Multi-band antenna |
TWI268009B (en) * | 2003-05-16 | 2006-12-01 | Hon Hai Prec Ind Co Ltd | Dual band antenna and method for making the same |
TWM257522U (en) * | 2004-02-27 | 2005-02-21 | Hon Hai Prec Ind Co Ltd | Multi-band antenna |
-
2003
- 2003-12-23 TW TW092136635A patent/TWI254488B/zh not_active IP Right Cessation
-
2004
- 2004-11-24 US US10/995,476 patent/US7148849B2/en active Active
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101557037B (zh) * | 2008-04-09 | 2013-05-08 | 广达电脑股份有限公司 | 双馈入双频天线 |
CN101777701A (zh) * | 2009-01-13 | 2010-07-14 | 广达电脑股份有限公司 | 天线装置及其天线 |
CN101777702B (zh) * | 2009-01-13 | 2016-08-17 | 广达电脑股份有限公司 | 天线装置及天线 |
TWI682586B (zh) * | 2017-07-03 | 2020-01-11 | 仁寶電腦工業股份有限公司 | 多頻天線 |
US10826178B2 (en) | 2017-07-03 | 2020-11-03 | Compal Electronics, Inc. | Multi-band antenna |
Also Published As
Publication number | Publication date |
---|---|
TWI254488B (en) | 2006-05-01 |
US7148849B2 (en) | 2006-12-12 |
US20050134509A1 (en) | 2005-06-23 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
TW200522440A (en) | Multi-band antenna | |
US10819031B2 (en) | Printed circuit board antenna and terminal | |
TWI233713B (en) | Multi-band antenna | |
JP4237487B2 (ja) | 二重バンドパッチアンテナ | |
US7187338B2 (en) | Antenna arrangement and module including the arrangement | |
US6759991B2 (en) | Antenna arrangement | |
CN100416919C (zh) | 用于移动通信设备的内部天线 | |
TW200539503A (en) | Multi-band antenna | |
US7605769B2 (en) | Multi-ban U-slot antenna | |
US6844853B2 (en) | Dual band antenna for wireless communication | |
TWI404265B (zh) | Printed dipole antenna and its manufacturing method | |
JP2002271132A (ja) | プレーナアンテナおよびそれを含むデュアルバンド送信装置 | |
TWI329942B (en) | Multi-broad band antenna and electronic device thereof | |
US7482984B2 (en) | Hoop antenna | |
TWI338411B (en) | Independently tunable multiband meanderline loaded antenna | |
TWI330904B (en) | An internal multiband antenna | |
CN100365867C (zh) | 多频天线 | |
WO2018004392A1 (ru) | Двухпортовая двухдиапазонная антенна для диапазонов дкмв и дмв2 | |
CN2729928Y (zh) | 双频天线 | |
JP2002330021A (ja) | 移動体通信用アンテナ | |
KR20020087139A (ko) | 무선 단말기 | |
TW201027843A (en) | Dual band antenna and wireless communication device using the same | |
KR100563841B1 (ko) | 역 에프 스트립 선로를 이용한 광대역 패치 안테나 | |
CN116845553A (zh) | 一种面向5g双频段覆盖的层叠型基片集成波导天线 | |
Natarajamani | Some studies on designs of planar antennas for UWB applications |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
MM4A | Annulment or lapse of patent due to non-payment of fees |