TWI506859B - Coplanar waveguide (cpw-fed) antenna applied in 2g, 3g and 4g systems - Google Patents
Coplanar waveguide (cpw-fed) antenna applied in 2g, 3g and 4g systems Download PDFInfo
- Publication number
- TWI506859B TWI506859B TW102140797A TW102140797A TWI506859B TW I506859 B TWI506859 B TW I506859B TW 102140797 A TW102140797 A TW 102140797A TW 102140797 A TW102140797 A TW 102140797A TW I506859 B TWI506859 B TW I506859B
- Authority
- TW
- Taiwan
- Prior art keywords
- radiation
- piece
- radiation piece
- width
- length
- Prior art date
Links
Landscapes
- Waveguide Aerials (AREA)
Description
本發明係有關於一種共平面波導饋入天線，尤其是指 應用於2G、3G和4G系統之寬頻天線。The present invention relates to a coplanar waveguide feed antenna, and more particularly to a wideband antenna for 2G, 3G and 4G systems.
在目前行動通訊技術中，第二代行動通訊(2G)為人們使用最為普遍之通訊系統，此系統對語音是以數位化方式傳輸，除通話功能外，也具有簡訊功能，而在某些2G系統中也支援資料傳輸與傳真，但因為速度緩慢，只適合傳輸量較低的電子郵件、軟體等資訊，因此，在人們對於新功能與速度的要求下，第三代行動通訊(3G)快速崛起。In the current mobile communication technology, the second generation mobile communication (2G) is the most common communication system used by people. This system transmits digital voice in a digital manner. In addition to the call function, it also has a short message function, and in some 2G. Data transmission and faxing are also supported in the system, but because of the slow speed, it is only suitable for low-volume emails, software and other information. Therefore, in the new function and speed requirements, the third generation mobile communication (3G) is fast. Rise.
由於第三代行動通訊(3G)能將無線通訊與網際網路等多媒體通訊結合行動通訊系統，並能夠處理影像、音樂、視訊形式，提供網頁瀏覽、電話會議、電子商務資訊服務，加上智慧型手機帶動行動上網的需求，因此，3G行動上網已經成為人們生活中的重要部分。於是消費市場的強烈需求，增加電信業者不斷擴充3G網路頻寬的壓力，3G支援傳輸速度為2Mbps、384kbps以及144kbps，在對於影音資料傳輸的需求下，未來***行動通訊(4G)將能提供更高的傳輸速率，而長期演進技術(LTE)為4G中一種技術，LTE網路有能力提供300Mbit/s的下載速率和75 Mbit/s的上傳速率，大幅提升傳輸速率，因此LTE將是4G的主流。Because 3rd Generation Mobile Communications (3G) can combine multimedia communication such as wireless communication and Internet with mobile communication systems, and can handle image, music, and video formats, providing web browsing, conference calls, e-commerce information services, and wisdom. Mobile phones drive the demand for mobile Internet access. Therefore, 3G mobile Internet access has become an important part of people's lives. Therefore, the strong demand in the consumer market has increased the pressure on telecom operators to continuously expand the bandwidth of 3G networks. The 3G support transmission speed is 2Mbps, 384kbps and 144kbps. In the demand for audio and video data transmission, the future fourth-generation mobile communication (4G) will Can provide higher transmission rate, and Long Term Evolution (LTE) is a technology in 4G. The LTE network has the ability to provide a download rate of 300 Mbit/s and an upload rate of 75 Mbit/s, which greatly increases the transmission rate. Therefore, LTE will It is the mainstream of 4G.
今，本發明人鑒於天線在無線傳輸中為不可或缺的一項元件，不論是各種無線通訊產品如各式手機、全球應用定位系統(GPS)、藍芽耳機等產品的優劣都取決於天線，且為了因應天線能於不同頻率下多個通訊系統的使用［雙頻段(Dual Band)、多頻段(Multi Band)］，以及加強天線的接收效果，於是提出本發明之天線。Nowadays, the inventors of the present invention are indispensable for wireless transmission, and the advantages and disadvantages of various wireless communication products such as various mobile phones, global application positioning systems (GPS), and Bluetooth headsets depend on the antenna. In order to respond to the use of multiple communication systems [Dual Band, Multi Band] at different frequencies, and to enhance the reception effect of the antenna, the antenna of the present invention is proposed.
本發明之主要目的，係提供一種用於2G、3G、4G頻段之共平面波導饋入天線，該天線擁有寬廣的頻寬、良好的阻抗匹配、簡單的單一金屬結構不需搭配任何元件，且具有方便製造、低成本等優點。The main object of the present invention is to provide a coplanar waveguide feeding antenna for a 2G, 3G, 4G frequency band, which has a wide bandwidth, good impedance matching, a simple single metal structure without any components, and It has the advantages of convenient manufacturing and low cost.
上述本發明之主要目的與功效，是由以下之具體技術手段所達成：The above main objects and effects of the present invention are achieved by the following specific technical means:
一種天線，該天線係包括有：An antenna comprising:
基板；Substrate
接地部，係設於基板的其一表面上，包括一矩形環狀框部份與二矩形片狀部份，該矩形環狀框部份內側框圍出一區域形成一槽部，該二矩形片狀部份分別位於該槽部的左上角與右上角處，並分別對應與該處之矩形環狀框部份的內邊緣銜接；The grounding portion is disposed on a surface of the substrate, and includes a rectangular annular frame portion and a second rectangular plate portion. The inner annular frame portion surrounds an area to form a groove portion, and the two rectangular portions The sheet portions are respectively located at the upper left corner and the upper right corner of the groove portion, and respectively correspond to the inner edges of the rectangular annular frame portion at the portion;
輸入端，設在該基板的其中一邊；The input end is disposed on one side of the substrate;
饋入線，銜接輸入端，並往內延伸至該槽部；沿著饋入線與兩旁所對應之矩形環狀框部份之間形成有間隔間距；Feeding line, connecting the input end, and extending inward to the groove portion; forming a spacing interval between the feeding ring and the rectangular annular frame portion corresponding to the side of the crucible;
輻射部，係包括第一輻射片、第二輻射片、第三輻射片、第四輻射片、第五輻射片；該第一輻射片對應銜接於延伸入該槽部之饋入線的其中一側，並在該第一輻射片的外側邊緣上端處銜接該第二輻射片，於延伸入該槽部之饋入線的另一側對應銜接該第三輻射片，該第三輻射片的外側邊緣銜接該第四輻射片，該第四輻射片的外側邊緣銜接該第五輻射片。The radiation portion includes a first radiation piece, a second radiation piece, a third radiation piece, a fourth radiation piece, and a fifth radiation piece; the first radiation piece is correspondingly connected to one side of the feeding line extending into the groove portion And engaging the second radiation piece at the upper end of the outer edge of the first radiation piece, and engaging the third radiation piece on the other side of the feeding line extending into the groove part, the outer edge of the third radiation piece is connected The fourth radiation piece, the outer edge of the fourth radiation piece is coupled to the fifth radiation piece.
在本發明的較佳實施例中，該基板係使用尺寸為140mm×180mm、厚度為1.6mm、相對介電係數εr為4.3的FR4玻璃基板。In a preferred embodiment of the invention, the substrate is a FR4 glass substrate having a size of 140 mm x 180 mm, a thickness of 1.6 mm, and a relative dielectric constant ε r of 4.3.
在本發明的較佳實施例中，輸入端係使用阻抗為50Ω的N-Type接頭。In a preferred embodiment of the invention, the input uses an N-Type connector having an impedance of 50 ohms.
（１）‧‧‧基板(1) ‧‧‧Substrate
（２）‧‧‧接地部(2) ‧‧‧ Grounding Department
（２１）‧‧‧矩形環狀框部份(21) ‧‧‧Rectangular ring frame
（２２）‧‧‧矩形片狀部份(22)‧‧‧ Rectangular sheet
（２３）‧‧‧槽部(23) ‧‧‧Slots
（３）‧‧‧輸入端(3) ‧‧‧ input
（４）‧‧‧饋入線(4) ‧‧‧Feeding line
（４１）‧‧‧間隔間距(41) ‧ ‧ interval spacing
（５）‧‧‧輻射部(5) ‧‧‧ Radiation Department
（５１）‧‧‧第一輻射片(51)‧‧‧First Radiation
（５２）‧‧‧第二輻射片(52) ‧‧‧second radiation
（５３）‧‧‧第三輻射片(53) ‧‧‧ Third Radiation
（５４）‧‧‧第四輻射片(54) ‧‧‧Fourth Radiation
（５５）‧‧‧第五輻射片(55)‧‧‧Fifth Radiation
第一圖：共平面波導饋入天線結構電路The first picture: coplanar waveguide feeding antenna structure circuit
第二圖：共平面波導饋入天線模擬與實際電路頻率響應比較圖Figure 2: Comparison of the frequency response of the common-plane waveguide feed antenna simulation and actual circuit
第三圖：IE3D模擬，中心頻率為700MHz，phi=0°輻射場型圖The third picture: IE3D simulation, center frequency is 700MHz, phi=0° radiation field pattern
第四圖：IE3D模擬，中心頻率為700MHz，phi=90°輻射場型圖Fourth picture: IE3D simulation, center frequency is 700MHz, phi=90° radiation field pattern
為令本發明所運用之技術內容、發明目的及其達成之功效有更完整且清楚的揭露，茲於下詳細說明之，並請一併參閱所揭之圖式及圖號：For a more complete and clear disclosure of the technical content, the purpose of the invention and the effects thereof achieved by the present invention, it is explained in detail below, and please refer to the drawings and drawings:
請參看第一圖所示，其係本發明之共平面波導饋入天線(CPW-fed antenna)結構圖。其設計頻段為2G(0.7GHz)、3G(2.045GHz)、4G(0.7、0.9、1.8GHz)。Referring to the first figure, it is a structural diagram of a coplanar waveguide feed antenna (CPW-fed antenna) of the present invention. Its design frequency bands are 2G (0.7GHz), 3G (2.045GHz), 4G (0.7, 0.9, 1.8GHz).
該天線係包括有：基板（１）、接地部（２）、輸入端（３）、饋入線（４）及輻射部（５）；其中：The antenna system includes: a substrate (1), a grounding portion (2), an input end (3), a feeding line (4), and a radiating portion (5); wherein:
該基板（１），係使用尺寸為140mm×180mm、厚度為1.6mm、相對介電係數εr為4.3的FR4玻璃基板；The substrate (1) is an FR4 glass substrate having a size of 140 mm × 180 mm, a thickness of 1.6 mm, and a relative dielectric constant ε r of 4.3;
該接地部（２），係設於基板（１）的其一表面上，包括一矩形環狀框部份（２１）與二矩形片狀部份（２２），該二矩形片狀部份（２２）分別位於該矩形環狀框部份（２１）內邊緣的左上角與右上角處，並與該矩形環狀框部份（２１）內邊緣的左上角與右上角銜接；The grounding portion (2) is disposed on a surface of the substrate (1) and includes a rectangular annular frame portion (21) and two rectangular sheet portions (22), and the two rectangular sheet portions ( 22) respectively located at the upper left corner and the upper right corner of the inner edge of the rectangular annular frame portion (21), and is engaged with the upper left corner and the upper right corner of the inner edge of the rectangular annular frame portion (21);
輸入端（３），設在該基板（１）的其中一邊，係使用阻抗為50Ω的N-Type接頭；The input end (3) is disposed on one side of the substrate (1), and an N-Type connector having an impedance of 50 Ω is used;
饋入線（４），銜接輸入端（３），並往內延伸至矩形環狀框部份（２１）所框圍形成之槽部（２３）；沿著饋入線（４）與兩旁所對應之矩形環狀框部份（２１）之間形成有間隔間距（４１）；The feed line (4) engages the input end (3) and extends inwardly to the groove portion (23) formed by the frame of the rectangular annular frame portion (21); corresponding to the feed line (4) and the side of the beak A rectangular spacing (41) is formed between the rectangular annular frame portions (21);
輻射部（５），係包括第一輻射片（５１）、第二輻射片（５２）、第三輻射片（５３）、第四輻射片（５４）、第五輻射片（５５）；第一輻射片（５１）對應銜接於延伸入槽部（２３）之饋入線（４）的其中一側，並在第一輻射片（５１）的外側邊緣上端處銜接一第二輻射片（５２），於延伸入槽部（２３）之饋入線（４）的另一側對應銜接第三輻射片（５３），該第三輻射片（５３）的外側邊緣銜接第四輻射片（５４），該第四輻射片（５４）的外側邊緣銜接第五輻射片（５５）。The radiation portion (5) includes a first radiation sheet (51), a second radiation sheet (52), a third radiation sheet (53), a fourth radiation sheet (54), and a fifth radiation sheet (55); The radiation piece (51) is correspondingly connected to one side of the feeding line (4) extending into the groove portion (23), and is connected to a second radiation piece (52) at the upper end of the outer edge of the first radiation piece (51), The other side of the feed line (4) extending into the groove portion (23) corresponds to the third radiation piece (53), and the outer edge of the third radiation piece (53) is coupled to the fourth radiation piece (54). The outer edge of the four radiating sheets (54) engages the fifth radiating sheet (55).
其中，該第一輻射片（５１）長8.5mm、寬35.8mm，該第二輻射片（５２）長6.5mm、寬4.3mm，該第三輻射片（５３）長8.5mm、寬15.5mm，該第四輻射片（５４）長3.5mm、寬28.6mm，該第五輻射片（５５）長3.5mm、寬19.3mm，該第一輻射片（５１）～該第五輻射片（５５）能有效地增加該天線接收的頻寬。該矩形片狀部份（２２）長31.5mm、寬27.65mm，可以使本發明之天線能更有效應用於接收系統。Wherein, the first radiation piece (51) is 8.5 mm long and 35.8 mm wide, the second radiation piece (52) is 6.5 mm long and 4.3 mm wide, and the third radiation piece (53) is 8.5 mm long and 15.5 mm wide. The fourth radiation piece (54) is 3.5 mm long and 28.6 mm wide, and the fifth radiation piece (55) is 3.5 mm long and 19.3 mm wide. The first radiation piece (51) to the fifth radiation piece (55) can Effectively increase the bandwidth received by the antenna. The rectangular sheet portion (22) is 31.5 mm long and 27.65 mm wide, which enables the antenna of the present invention to be more effectively applied to a receiving system.
請參看第二圖，其係為本發明之天線模擬與實測頻率響應圖，實心圓實線表示實際量測結果、實心方塊虛線表示IE3D模擬結果，圖中橫軸表示頻率，單位為GHz，由0到4GHz，縱軸表示|S11 |大小，單位為dB，由0到-50dB；圖中|S11 |大小，通帶在-10dB之下，模擬之頻率為0.63-4GHz，但由於焊接，造成實作頻率略往高頻移動，頻段為0.68-4GHz，2G、3G、4G接收頻率分別為(0.7GHz)、(2.045GHz)、(0.7,0.9,1.8GHz)，均在天線可接收範圍之內，實測與模擬結果具有良好的一致性。並將中心頻率設為0.7GHz，phi=0°與phi=90°模擬輻射場型圖如第三圖及第四圖，與全向性輻射場型圖相似，所以此天線具有良好的全向性接收。Please refer to the second figure, which is the antenna simulation and measured frequency response diagram of the present invention. The solid circle solid line indicates the actual measurement result, and the solid square dotted line indicates the IE3D simulation result. In the figure, the horizontal axis represents the frequency, and the unit is GHz. 0 to 4 GHz, the vertical axis represents |S 11 | size in dB, from 0 to -50 dB; in the figure |S 11 | size, the pass band is below -10 dB, the analog frequency is 0.63-4 GHz, but due to soldering The operating frequency is slightly shifted to high frequency, the frequency band is 0.68-4 GHz, and the receiving frequencies of 2G, 3G, and 4G are (0.7 GHz), (2.045 GHz), (0.7, 0.9, 1.8 GHz), respectively, and are receivable at the antenna. Within the scope, the measured and simulated results have good consistency. The center frequency is set to 0.7 GHz, phi=0° and phi=90°. The simulated radiation field pattern is similar to the omnidirectional radiation field pattern, so the antenna has good omnidirectionality. Sexual reception.
本發明所提出的寬頻帶共平面波導饋入天線，具有結構簡單、寬頻等優點，並能應用於台灣第二代(0.7GHz)、第三代(2.045GHz)和***(0.7、0.9、1.8GHz)行動通訊，尤其透過在接地部兩端貼上額外的矩形片狀部份，使其更有效應用於該頻段。The wide-band coplanar waveguide feeding antenna proposed by the invention has the advantages of simple structure, wide frequency, and the like, and can be applied to the second generation (0.7 GHz), the third generation (2.045 GHz) and the fourth generation (0.7, 0.9) in Taiwan. , 1.8 GHz) mobile communication, especially by attaching an extra rectangular sheet to the ends of the ground to make it more effective for this band.
以上所舉者僅係本發明之部份實施例，並非用以限制本發明，致依本發明之創意精神及特徵，稍加變化修飾而成者，亦應包括在本專利範圍之內。The above is only a part of the embodiments of the present invention, and is not intended to limit the present invention. It is intended to be included in the scope of the present invention.
綜上所述，本發明實施例確能達到所預期之使用功效，又其所揭露之具體技術手段，不僅未曾見諸於同類產品中，亦未曾公開於申請前，誠已完全符合專利法之規定與要求，爰依法提出發明專利之申請，懇請惠予審查，並賜准專利，則實感德便。In summary, the embodiments of the present invention can achieve the expected use efficiency, and the specific technical means disclosed therein have not been seen in similar products, nor have they been disclosed before the application, and have completely complied with the patent law. The regulations and requirements, the application for invention patents in accordance with the law, and the application for review, and the grant of patents, are truly sensible.
(1)‧‧‧基板(1) ‧‧‧Substrate
(2)‧‧‧接地部(2) ‧‧‧ Grounding Department
(21)‧‧‧矩形環狀框部份(21) ‧‧‧Rectangular ring frame
(22)‧‧‧矩形片狀部份(22)‧‧‧ Rectangular sheet
(23)‧‧‧槽部(23) ‧‧‧Slots
(3)‧‧‧輸入端(3) ‧‧‧ input
(4)‧‧‧饋入線(4) ‧‧‧Feeding line
(41)‧‧‧間隔間距(41) ‧ ‧ interval spacing
(5)‧‧‧輻射部(5) ‧‧‧ Radiation Department
(51)‧‧‧第一輻射片(51)‧‧‧First Radiation
(52)‧‧‧第二輻射片(52) ‧‧‧second radiation
(53)‧‧‧第三輻射片(53) ‧‧‧ Third Radiation
(54)‧‧‧第四輻射片(54) ‧‧‧Fourth Radiation
(55)‧‧‧第五輻射片(55)‧‧‧Fifth Radiation
Claims (5)
基板；
接地部，係設於基板的其一表面上，包括一矩形環狀框部份與二矩形片狀部份，該矩形環狀框部份內側框圍出一區域形成一槽部，該二矩形片狀部份分別位於該槽部的左上角與右上角處，並分別對應與該處之矩形環狀框部份的內邊緣銜接；
輸入端，設在該基板的其中一邊；
饋入線，銜接該輸入端，並往內延伸至該槽部；沿著該饋入線與兩旁所對應之該矩形環狀框部份之間形成有間隔間距； 輻射部，係包括第一輻射片、第二輻射片、第三輻射片、第四輻射片、第五輻射片；該第一輻射片對應銜接於延伸入該槽部之饋入線的其中一側，並在該第一輻射片的外側邊緣上端處銜接該第二輻射片，於延伸入該槽部之饋入線的另一側對應銜接該第三輻射片，該第三輻射片的外側邊緣銜接該第四輻射片，該第四輻射片的外側邊緣銜接該第五輻射片。An antenna comprising:
Substrate
The grounding portion is disposed on a surface of the substrate, and includes a rectangular annular frame portion and a second rectangular plate portion. The inner annular frame portion surrounds an area to form a groove portion, and the two rectangular portions The sheet portions are respectively located at the upper left corner and the upper right corner of the groove portion, and respectively correspond to the inner edges of the rectangular annular frame portion at the portion;
The input end is disposed on one side of the substrate;
a feeding line connecting the input end and extending inwardly to the groove portion; a spacing interval is formed between the feeding ring and the rectangular annular frame portion corresponding to the side of the crucible; the radiating portion includes the first radiating piece a second radiation piece, a third radiation piece, a fourth radiation piece, and a fifth radiation piece; the first radiation piece is correspondingly connected to one side of the feed line extending into the groove portion, and is in the first radiation piece The second radiating piece is connected to the upper end of the outer edge, and the third radiating piece is connected to the other side of the feeding line extending into the groove. The outer edge of the third radiating piece is connected to the fourth radiating piece. The outer edge of the radiation sheet engages the fifth radiating sheet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW102140797A TWI506859B (en) | 2013-11-08 | 2013-11-08 | Coplanar waveguide (cpw-fed) antenna applied in 2g, 3g and 4g systems |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW102140797A TWI506859B (en) | 2013-11-08 | 2013-11-08 | Coplanar waveguide (cpw-fed) antenna applied in 2g, 3g and 4g systems |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| TW201519509A TW201519509A (en) | 2015-05-16 |
| TWI506859B true TWI506859B (en) | 2015-11-01 |
Family
ID=53721068
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| TW102140797A TWI506859B (en) | 2013-11-08 | 2013-11-08 | Coplanar waveguide (cpw-fed) antenna applied in 2g, 3g and 4g systems |
Country Status (1)
| Country | Link |
|---|---|
| TW (1) | TWI506859B (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6198437B1 (en) * | 1998-07-09 | 2001-03-06 | The United States Of America As Represented By The Secretary Of The Air Force | Broadband patch/slot antenna |
| EP1566858B1 (en) * | 2004-02-19 | 2008-07-30 | National Institute of Information and Communications Technology | Ultra wideband bow-tie slot antenna |
| US20080258981A1 (en) * | 2006-04-27 | 2008-10-23 | Rayspan Corporation | Antennas, Devices and Systems Based on Metamaterial Structures |
| US7450072B2 (en) * | 2006-03-28 | 2008-11-11 | Qualcomm Incorporated | Modified inverted-F antenna for wireless communication |
| CN101340021A (en) * | 2008-07-29 | 2009-01-07 | 东南大学 | Single pulse antenna with double V shaped linear gradually changing slot |
| CN201226376Y (en) * | 2008-05-04 | 2009-04-22 | 益世睿得通信科技(上海)有限公司 | Multi-frequency antenna |
| US7750813B2 (en) * | 2005-12-14 | 2010-07-06 | University Of Kansas | Microstrip antenna for RFID device |
| TWI357691B (en) * | 2008-07-08 | 2012-02-01 | Avermedia Tech Inc | Digital tv antenna |
| EP1992043B1 (en) * | 2006-02-21 | 2012-03-28 | Harris Corporation | Slit loaded tapered slot patch antenna |
| CN103326115A (en) * | 2012-11-14 | 2013-09-25 | 武汉德澳科技有限公司 | Integrated electronic speed controller phase array antenna, and module and system comprising same |
-
2013
- 2013-11-08 TW TW102140797A patent/TWI506859B/en not_active IP Right Cessation
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6198437B1 (en) * | 1998-07-09 | 2001-03-06 | The United States Of America As Represented By The Secretary Of The Air Force | Broadband patch/slot antenna |
| EP1566858B1 (en) * | 2004-02-19 | 2008-07-30 | National Institute of Information and Communications Technology | Ultra wideband bow-tie slot antenna |
| US7750813B2 (en) * | 2005-12-14 | 2010-07-06 | University Of Kansas | Microstrip antenna for RFID device |
| EP1992043B1 (en) * | 2006-02-21 | 2012-03-28 | Harris Corporation | Slit loaded tapered slot patch antenna |
| US7450072B2 (en) * | 2006-03-28 | 2008-11-11 | Qualcomm Incorporated | Modified inverted-F antenna for wireless communication |
| US20080258981A1 (en) * | 2006-04-27 | 2008-10-23 | Rayspan Corporation | Antennas, Devices and Systems Based on Metamaterial Structures |
| CN201226376Y (en) * | 2008-05-04 | 2009-04-22 | 益世睿得通信科技(上海)有限公司 | Multi-frequency antenna |
| TWI357691B (en) * | 2008-07-08 | 2012-02-01 | Avermedia Tech Inc | Digital tv antenna |
| CN101340021A (en) * | 2008-07-29 | 2009-01-07 | 东南大学 | Single pulse antenna with double V shaped linear gradually changing slot |
| CN103326115A (en) * | 2012-11-14 | 2013-09-25 | 武汉德澳科技有限公司 | Integrated electronic speed controller phase array antenna, and module and system comprising same |
Also Published As
| Publication number | Publication date |
|---|---|
| TW201519509A (en) | 2015-05-16 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203071220U (en) | An electronic device and an antenna | |
| US10218051B2 (en) | Antenna structure and wireless communication device using same | |
| JP3223998U (en) | Bluetooth earphone antenna | |
| US20230283698A1 (en) | Electronic device | |
| US10177439B2 (en) | Antenna structure and wireless communication device using same | |
| US8462056B2 (en) | Built-in antenna for portable terminal | |
| US7701398B2 (en) | Antenna for portable communication device | |
| US20100090921A1 (en) | Built-in antenna device for portable wireless terminal | |
| US7091909B2 (en) | Antenna unit adaptable to a wideband | |
| US20140285384A1 (en) | Antenna assembly and mobile terminal using same | |
| US8155607B2 (en) | Antenna apparatus of portable terminal | |
| CN202679578U (en) | Earphone with antenna | |
| US20200107446A1 (en) | Electronic Device Comprising an Audio Channel Assembly | |
| WO2017101373A1 (en) | Ultra-wideband parasitic antenna and mobile terminal | |
| US20190027839A1 (en) | Flexible polymer antenna with multiple ground resonators | |
| KR20220130090A (en) | Electronic equipment having an antenna | |
| TW201642522A (en) | Antenna structure and wireless communication device using the same | |
| WO2020134328A1 (en) | Antenna module and mobile terminal | |
| WO2015172296A1 (en) | Antenna apparatus and electronic device | |
| TWI506859B (en) | Coplanar waveguide (cpw-fed) antenna applied in 2g, 3g and 4g systems | |
| US11522270B2 (en) | Solution for beam tilting associated with dual-polarized mm-Wave antennas in 5G terminals | |
| CN205543213U (en) | Wifi antenna | |
| US20200321696A1 (en) | Antenna device and terminal | |
| CN210744157U (en) | High-performance ultra-wideband radiation unit applied to 5G system | |
| US9455496B2 (en) | Antenna assembly and wireless communication device using same |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MM4A | Annulment or lapse of patent due to non-payment of fees |