TWI568078B - Dimensional antenna structure - Google Patents
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- TWI568078B TWI568078B TW104129497A TW104129497A TWI568078B TW I568078 B TWI568078 B TW I568078B TW 104129497 A TW104129497 A TW 104129497A TW 104129497 A TW104129497 A TW 104129497A TW I568078 B TWI568078 B TW I568078B
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Description
本發明是關於一種天線結構，尤其是指一種製作於印刷電路板的立體天線結構。 The present invention relates to an antenna structure, and more particularly to a stereo antenna structure fabricated on a printed circuit board.
現今科技科技發展迅速，行動裝置已為生活上不可或缺之電子裝置。行動裝置通常內置天線，藉由天線傳遞或接收訊號，使行動裝置可收發網路或彼此間檔案傳輸。然而，為讓行動裝置更加便捷，天線體積的設計盡可能以微縮目的發展，惟體積微縮對於內部天線設計或設置將是一大挑戰，蓋天線之形狀、圖案、材料、大小及其設置位置都將影響訊號傳遞之效益。 Today's technology is developing rapidly, and mobile devices are an indispensable electronic device in life. Mobile devices usually have built-in antennas that transmit or receive signals through the antennas, allowing mobile devices to transmit and receive networks or to transfer files between each other. However, in order to make the mobile device more convenient, the design of the antenna volume is developed as much as possible, but the volume reduction will be a challenge for the internal antenna design or setting. The shape, pattern, material, size and setting position of the cover antenna are all Will affect the benefits of signal transmission.
再者，天線種類繁多，習知技術於設計天線時，將天線主要輻射體的尾端部分，延伸為立體形式，可使輻射及接收訊號效益增加，實際應用的方法通常會在平面天線的尾端增設一立體鐵片，惟此種方法將造成天線體積較大，製作時成本增加，且需要額外的焊接程序。 Furthermore, there are many types of antennas. When designing an antenna, the conventional technology extends the tail end portion of the main radiator of the antenna into a three-dimensional form, which can increase the efficiency of radiation and receiving signals. The practical application method is usually at the end of the planar antenna. A three-dimensional iron piece is added to the end, but this method will result in a larger antenna size, increased cost during production, and an additional welding procedure.
綜上，習知技術之天線具有鐵片造成體積較大且 成本增加之缺陷。 In summary, the antenna of the prior art has a large volume of iron sheets and The drawback of increased costs.
本發明之目的在於提供一種製作簡單且體積小之立體天線結構。 It is an object of the present invention to provide a three-dimensional antenna structure that is simple to manufacture and small in size.
本發明之目的在於提供增加天線輻射效率的結構。 It is an object of the present invention to provide a structure that increases the radiation efficiency of an antenna.
為達到上述所指稱之目的與功效，本發明揭露一種製作於印刷電路板的立體天線結構，其包含一長方體印刷電路基板、一輻射金屬體、一連接金屬體、一天線接地金屬體、一射頻訊號饋入端與一射頻訊號接地端。 長方體印刷電路基板包含一上表面、一下表面、一第一長側面、一第二長側面、一第一短側面及一第二短側面；輻射金屬體形成於第一長側面，輻射金屬體的寬度等於長方體印刷電路基板的厚度；連接金屬體形成於上表面並具有一第一側與一第二側，第一側與輻射金屬體相互電性連接；天線接地金屬體形成於長方體印刷電路基板的上表面，並與一系統接地金屬體電性連接，而系統接地金屬體為電子裝置之一接地面；射頻訊號饋入端位於連接金屬體的第二側並靠近天線接地金屬體；射頻訊號接地端位於天線接地金屬體與射頻訊號饋入端相對應。 In order to achieve the above-mentioned purpose and effect, the present invention discloses a three-dimensional antenna structure fabricated on a printed circuit board, which comprises a rectangular parallelepiped printed circuit board, a radiating metal body, a connecting metal body, an antenna grounded metal body, and a radio frequency. Signal feed end and an RF signal ground. The rectangular printed circuit board comprises an upper surface, a lower surface, a first long side surface, a second long side surface, a first short side surface and a second short side surface; the radiation metal body is formed on the first long side surface and radiates the metal body The width is equal to the thickness of the rectangular printed circuit board; the connecting metal body is formed on the upper surface and has a first side and a second side, the first side and the radiating metal body are electrically connected to each other; the antenna grounded metal body is formed on the rectangular parallelepiped printed circuit board The upper surface is electrically connected to a system grounded metal body, and the system grounding metal body is a grounding surface of the electronic device; the RF signal feeding end is located on the second side of the connecting metal body and close to the antenna grounding metal body; the RF signal The grounding end is located at the antenna grounding metal body and corresponds to the RF signal feeding end.
本發明在一實施例中，揭露一種製作於印刷電路板的立體天線結構更包含一金屬體，連接金屬體與 天線接地金屬體之間，以金屬體相接，用以阻抗匹配。 In an embodiment, the present invention discloses a three-dimensional antenna structure fabricated on a printed circuit board, further comprising a metal body, connecting the metal body and The antenna is grounded between the metal bodies and connected by a metal body for impedance matching.
本發明在一實施例中，揭露一種製作於印刷電路板的立體天線結構更包含一高頻元件，輻射金屬體與天線接地金屬體之間，以高頻元件相接，用以阻抗匹配。 In an embodiment, the three-dimensional antenna structure fabricated on the printed circuit board further comprises a high frequency component, and the high frequency component is connected between the radiating metal body and the grounded metal body of the antenna for impedance matching.
1‧‧‧長方體印刷電路基板 1‧‧‧Cuboid printed circuit board
11‧‧‧上表面 11‧‧‧ upper surface
12‧‧‧下表面 12‧‧‧ Lower surface
13‧‧‧第一長側面 13‧‧‧First long side
131‧‧‧第一短側面 131‧‧‧First short side
132‧‧‧第二長側面 132‧‧‧Second long side
133‧‧‧第二短側面 133‧‧‧Second short side
21‧‧‧連接金屬體 21‧‧‧Connected metal body
214‧‧‧第一側 214‧‧‧ first side
216‧‧‧第二側 216‧‧‧ second side
22‧‧‧輻射金屬體 22‧‧‧radiation metal body
23‧‧‧第一連接金屬體 23‧‧‧First connecting metal body
23A‧‧‧耦接部 23A‧‧‧Coupling
24‧‧‧第二輻射金屬體 24‧‧‧second radiation metal body
31‧‧‧射頻訊號饋入端 31‧‧‧RF signal feed end
32‧‧‧射頻訊號接地端 32‧‧‧RF signal ground
5‧‧‧天線接地金屬體 5‧‧‧Antenna grounded metal body
50‧‧‧系統接地金屬體 50‧‧‧System grounded metal body
6‧‧‧金屬體 6‧‧‧Metal body
7‧‧‧高頻元件 7‧‧‧High frequency components
9‧‧‧天線接地金屬體 9‧‧‧Antenna grounded metal body
A‧‧‧寬度 A‧‧‧Width
B‧‧‧厚度 B‧‧‧thickness
第一圖：其係為本發明立體天線結構之一第一實施例的示意圖；第二圖：其係為本發明包含一阻抗匹配電路之一第一實施例的示意圖；第三圖：其係為本發明包含阻抗匹配電路之一第二實施例的示意圖；第四A圖：其係為本發明立體天線結構之一第二實施例之長方體印刷電路基板前視圖；第四B圖：其係為第四A圖之長方體印刷電基路板後視圖； The first figure is a schematic diagram of a first embodiment of a stereo antenna structure of the present invention; the second diagram is a schematic diagram of a first embodiment of an impedance matching circuit according to the present invention; A schematic diagram of a second embodiment of an impedance matching circuit according to the present invention; FIG. 4A is a front view of a rectangular parallelepiped printed circuit board according to a second embodiment of the stereo antenna structure of the present invention; FIG. 4B: A rear view of the printed circuit board for the rectangular parallelepiped of the fourth drawing;
為使 貴審查委員對本發明之特徵及所達成之功效有更進一步之瞭解與認識，謹佐以之實施例及配合圖式說明，說明如後：參照第一圖，其係為本發明立體天線結構之一第一實施例的示意圖。如圖所示，本發明揭露一種製作於印 刷電路板的立體天線結構，其包含一長方體印刷電路基板1、一輻射金屬體22、一連接金屬體21、一天線接地金屬體5、一射頻訊號饋入端31與一射頻訊號接地端32。長方體印刷電路基板1的厚度介於0.6~2.0mm，及長方體印刷電路基板1的相對介電係數介於2~5，而且長方體印刷電路基板1包含一上表面11、一下表面12、一第一長側面13、一第二長側面132、一第一短側面131及一第二短側面133，其中，本發明僅是以長方體的印刷電路基板1作為實施例的說明，所以本發明的立體先線結構同樣可以製作於正方形的印刷電路基板，或者按照電子裝置結構上的需求而製作於其他幾何形狀的印刷電路基板，換言之，本發明並未限定立體天線結構需製作於特定幾何形制狀的印刷電路基板。 In order to enable the reviewing committee to have a better understanding and understanding of the features and functions of the present invention, the embodiments and the accompanying drawings are described as follows: Referring to the first figure, it is a stereo antenna of the present invention. A schematic diagram of one of the first embodiments of the structure. As shown, the present invention discloses a print-on-print The stereo antenna structure of the brush circuit board comprises a rectangular parallelepiped printed circuit board 1, a radiating metal body 22, a connecting metal body 21, an antenna grounding metal body 5, an RF signal feeding end 31 and an RF signal grounding end 32. . The rectangular printed circuit board 1 has a thickness of 0.6 to 2.0 mm, and the rectangular parallel printed circuit board 1 has a relative dielectric constant of 2 to 5, and the rectangular printed circuit board 1 includes an upper surface 11, a lower surface 12, and a first The long side surface 13, the second long side surface 132, the first short side surface 131, and the second short side surface 133, wherein the present invention is only a rectangular parallelepiped printed circuit board 1 as an embodiment, so the stereoscopic first of the present invention The wire structure can also be fabricated on a square printed circuit board or fabricated on other printed circuit boards in accordance with the requirements of the electronic device structure. In other words, the present invention does not limit the printing of the stereo antenna structure to a specific geometric shape. Circuit board.
承接上述，輻射金屬體22形成於第一長側面13，輻射金屬體22的寬度A等於長方體印刷電路基板1的厚度B；連接金屬體21形成於上表面11並具有一第一側214與一第二側216，第一側214與輻射金屬體22相互電性連接，第二側216靠近天線接地金屬體5。連接金屬體21與輻射金屬體22相連接，連接金屬體21與輻射金屬體22係用於輻射及接收訊號，考量輻射與接收之增益或訊號之頻率，連接金屬體21可具有一圖案，惟本發明不限制圖案之形狀。天線接地金屬體5形成於長方體印刷電路基板1的上表面11並與一系統接地金屬體50電性連接，其中，系統接地金屬體50為電子裝置之一接地面。再者，天線接地金屬體5為金屬薄 片，且可以於長方體印刷電路基板1的製程期間形成，而本發明未限制天線接地金屬體5的形狀或面積。 In response to the above, the radiating metal body 22 is formed on the first long side surface 13, and the width A of the radiating metal body 22 is equal to the thickness B of the rectangular parallel printed circuit board 1; the connecting metal body 21 is formed on the upper surface 11 and has a first side 214 and a The second side 216 is electrically connected to the radiating metal body 22, and the second side 216 is adjacent to the antenna grounding metal body 5. The connecting metal body 21 is connected to the radiating metal body 22, and the connecting metal body 21 and the radiating metal body 22 are used for radiating and receiving signals. Considering the frequency of the gain or signal of radiation and reception, the connecting metal body 21 may have a pattern. The invention does not limit the shape of the pattern. The antenna ground metal body 5 is formed on the upper surface 11 of the rectangular parallelepiped printed circuit board 1 and is electrically connected to a system ground metal body 50, wherein the system ground metal body 50 is a ground plane of the electronic device. Furthermore, the antenna grounded metal body 5 is thin metal The sheet can be formed during the process of the rectangular parallelepiped printed circuit board 1, and the present invention does not limit the shape or area of the antenna grounded metal body 5.
此外，天線接地金屬體5可以透過一導線與系統接地金屬體50電性連接，或者，天線接地金屬體5可以直接與系統接地金屬體50相接，其設計方式可以自行修改，本發明對其設計範疇並未加以限制。 In addition, the antenna grounding metal body 5 can be electrically connected to the system grounding metal body 50 through a wire, or the antenna grounding metal body 5 can be directly connected to the system grounding metal body 50, and the design manner can be modified by itself. The design category is not limited.
再者，長方體印刷電路基板1的第一長側面13遠離天線接地金屬體(或系統接地金屬體50)，換句話說，天線接地金屬體5形成於長方體印刷電路基板1之上表面11的一側，輻射金屬體22就會相對天線接地金屬體5的位置而形成於上表面11之另一側所連接的側面(第一長側面13)。射頻訊號饋入端31位於連接金屬體21的第二側216並靠近天線接地金屬體5；射頻訊號接地端32位於天線接地金屬體5並靠近連接金屬體21的第二側216，射頻訊號接地端32與射頻訊號饋入端31設置位置係相互對應。 Furthermore, the first long side surface 13 of the rectangular parallel printed circuit board 1 is away from the antenna ground metal body (or the system ground metal body 50), in other words, the antenna ground metal body 5 is formed on the upper surface 11 of the rectangular parallelepiped printed circuit board 1. On the side, the radiating metal body 22 is formed on the side (the first long side surface 13) to which the other side of the upper surface 11 is connected with respect to the position of the antenna grounded metal body 5. The RF signal feeding end 31 is located on the second side 216 of the connecting metal body 21 and adjacent to the antenna grounding metal body 5; the RF signal grounding end 32 is located on the antenna grounding metal body 5 and adjacent to the second side 216 of the connecting metal body 21, and the RF signal is grounded. The end 32 and the RF signal feeding end 31 are disposed at a position corresponding to each other.
本發明之立體天線結構，輻射金屬體22形成於長方體印刷電路基板1之第一長側面13，並且輻射金屬體22的寬度A係與長方體印刷電路基板1之厚度B相同，而且，輻射金屬體22與連接金屬體21可一同於製程中利用金屬薄膜形成，製作過程簡單，進而可以避免習知技術利用鐵片焊接造成天線體積較大且製作程序複雜之缺陷發生。 In the three-dimensional antenna structure of the present invention, the radiating metal body 22 is formed on the first long side surface 13 of the rectangular parallel printed circuit board 1, and the width A of the radiating metal body 22 is the same as the thickness B of the rectangular parallel printed circuit board 1, and the radiating metal body 22 and the connecting metal body 21 can be formed by using a metal film in the manufacturing process, and the manufacturing process is simple, thereby avoiding the defects that the conventional technology utilizes the iron piece welding to cause the antenna to be bulky and the manufacturing process is complicated.
請參照第二圖，其係為本發明包含一阻抗匹配電路之一第一實施例的示意圖。如圖所示，本發明立體天線 結構可包含一金屬體6，金屬體6作為阻抗匹配電路，其形成於長方體印刷電路基板1之上表面11。金屬體6之一側與連接金屬體21相連接，而金屬體6之另一側與天線接地金屬體5相連接，金屬體6之形狀不限於圖示中L型。本發明之立體天線結構透過金屬體6於連接金屬體21與天線接地金屬體5之間形成一等效並聯電感，可以使連接金屬體21與天線接地金屬體5達到阻抗匹配，使天線結構可以達到較好的輻射或接收效能。 Please refer to the second figure, which is a schematic diagram of a first embodiment of the present invention including an impedance matching circuit. As shown, the stereo antenna of the present invention The structure may include a metal body 6 as an impedance matching circuit formed on the upper surface 11 of the rectangular parallelepiped printed circuit board 1. One side of the metal body 6 is connected to the connection metal body 21, and the other side of the metal body 6 is connected to the antenna ground metal body 5. The shape of the metal body 6 is not limited to the L shape in the drawing. The three-dimensional antenna structure of the present invention forms an equivalent parallel inductance between the connecting metal body 21 and the antenna grounding metal body 5 through the metal body 6, so that the connecting metal body 21 and the antenna grounding metal body 5 can be impedance matched, so that the antenna structure can be Achieve better radiation or receiving performance.
請參照第三圖，其係為本發明包含阻抗匹配電路之一第二實施例的示意圖。如圖所示，本發明立體天線結構更可包含一高頻元件7，高頻元件7作為一阻抗匹配電路。高頻元件7設置於長方體印刷電路基板1之上表面11，與射頻訊號饋入端31相連接，其中，高頻元件7可為主動零件或被動零件，與高頻元件7可為串聯型式或並聯型式。立體天線結構透過高頻元件7使射頻訊號源與立體天線結構達到阻抗匹配，使天線結構可以達到較好的輻射或接收效能 Please refer to the third figure, which is a schematic diagram of a second embodiment of the present invention including an impedance matching circuit. As shown, the stereo antenna structure of the present invention further includes a high frequency component 7 as an impedance matching circuit. The high frequency component 7 is disposed on the upper surface 11 of the rectangular printed circuit board 1 and is connected to the RF signal feeding end 31. The high frequency component 7 can be an active component or a passive component, and the high frequency component 7 can be in series or Parallel type. The stereo antenna structure transmits impedance matching between the RF signal source and the stereo antenna structure through the high frequency component 7, so that the antenna structure can achieve better radiation or receiving performance.
參閱第四A圖與第四B圖，其係為本發明立體天線結構之一第二實施例之長方體印刷電路基板前視圖與後視圖。如圖所示，第二實施例為耦合式天線結構，其包含第一連接金屬體23、第二輻射金屬體24(此時輻射金屬體22為第一輻射金屬體)、第一長側面13的輻射金屬體22與天線接地金屬體9，其中天線接地金屬體9包含連接埠23A， 且天線接地金屬體9經由連接埠23A耦接第一連接金屬體23。 Referring to FIGS. 4A and 4B, which are front and rear views of a rectangular parallelepiped printed circuit board according to a second embodiment of the stereo antenna structure of the present invention. As shown, the second embodiment is a coupled antenna structure including a first connecting metal body 23 and a second radiating metal body 24 (in which case the radiating metal body 22 is a first radiating metal body), the first long side 13 The radiating metal body 22 and the antenna grounded metal body 9, wherein the antenna grounded metal body 9 includes a connection port 23A, The antenna grounding metal body 9 is coupled to the first connecting metal body 23 via the connecting port 23A.
因此，依照不同的天線設計需求，天線結構可延伸設計額外輻射金屬(第二輻射金屬體24)，以及連接金屬的部分(第一連接金屬體23)，天線饋路機制可使用耦合架構(第二輻射金屬體24將能量耦合至第一連接金屬體23)，使天線的設計具有更高的自由度。此外，天線接地金屬體9可以透過導線與系統接地金屬體50電性連接，或者，天線接地金屬體9可以直接與系統接地金屬體50相接，其設計方式可以自行修改，本發明對其設計範疇並未加以限制。 Therefore, according to different antenna design requirements, the antenna structure can extend the design of the additional radiating metal (the second radiating metal body 24), and the portion connecting the metal (the first connecting metal body 23), and the antenna feeding mechanism can use the coupling structure (the first The two radiating metal bodies 24 couple energy to the first connecting metal body 23), giving the antenna design a higher degree of freedom. In addition, the antenna grounding metal body 9 can be electrically connected to the system grounding metal body 50 through a wire, or the antenna grounding metal body 9 can be directly connected to the system grounding metal body 50, and the design manner can be modified by itself, and the invention is designed. The scope is not limited.
承接上述，本發明同樣未限定天線接地金屬體9的面積，而第四A圖與第四B圖之天線接地金屬體9面積僅為一實施例，其可以按照所欲設計之天線規格去變更。 In view of the above, the present invention also does not limit the area of the antenna grounded metal body 9, and the area of the antenna grounded metal body 9 of the fourth and fourth panels is only an embodiment, which can be changed according to the antenna specifications to be designed. .
綜上所述，本發明天線接地金屬體形成於長方體印刷電路基板之一上表面，輻射金屬體形成於長方體印刷電路基板之第一長側面，並且輻射金屬體之寬度等於長方體印刷電路基板之厚度。連接金屬體形成於長方體印刷電路基板之上表面，並與輻射金屬體相連接。此外，射頻訊號饋入端位於連接金屬體之第二側，射頻訊號接地端則位於天線接地金屬體之邊緣，射頻訊號饋入端與射頻訊號接地端位置相互對應。本發明可包含金屬體與高頻元件，使得阻抗得以匹配。輻射金屬體形成於長方體印刷電路基板之第一長側面，並且此第一長側面係與天線接地金屬體最 遠距離之側面，因此，本發明的輻射金屬體與連接金屬體係利用長方體印刷電路基板的金屬薄膜形成，製作過程簡單且整體天線結構體積縮減。 In summary, the antenna grounded metal body of the present invention is formed on an upper surface of a rectangular parallelepiped printed circuit board, the radiating metal body is formed on the first long side of the rectangular parallelepiped printed circuit board, and the width of the radiating metal body is equal to the thickness of the rectangular parallelepiped printed circuit board. . The connecting metal body is formed on the upper surface of the rectangular parallelepiped printed circuit board and connected to the radiating metal body. In addition, the RF signal feed end is located on the second side of the connection metal body, and the RF signal ground end is located at the edge of the antenna ground metal body, and the RF signal feed end and the RF signal ground end position correspond to each other. The invention may comprise a metal body and a high frequency component such that the impedance is matched. The radiant metal body is formed on the first long side of the rectangular parallelepiped printed circuit board, and the first long side is the most grounded metal body The side surface of the long distance, therefore, the radiation metal body and the connection metal system of the present invention are formed by a metal thin film of a rectangular parallelepiped printed circuit board, the manufacturing process is simple, and the overall antenna structure is reduced in volume.
故本發明實為一具有新穎性、進步性及可供產業上利用者，應符合我國專利法專利申請要件無疑，爰依法提出發明專利申請，祈 鈞局早日賜准專利，至感為禱。 Therefore, the present invention is a novelty, progressive and available for industrial use. It should be in accordance with the requirements of patent applications for patent law in China. It is undoubtedly to file an invention patent application according to law, and the Prayer Council will grant patents as soon as possible.
惟以上所述者，僅為本發明一實施例而已，並非用來限定本發明實施之範圍，故舉凡依本發明申請專利範圍所述之形狀、構造、特徵及精神所為之均等變化與修飾，均應包括於本發明之申請專利範圍內。 The above is only an embodiment of the present invention, and is not intended to limit the scope of the present invention, so that the shapes, structures, features, and spirits described in the claims of the present invention are equally changed and modified. All should be included in the scope of the patent application of the present invention.
1‧‧‧長方體印刷電路基板 1‧‧‧Cuboid printed circuit board
11‧‧‧上表面 11‧‧‧ upper surface
12‧‧‧下表面 12‧‧‧ Lower surface
13‧‧‧第一長側面 13‧‧‧First long side
131‧‧‧第一短側面 131‧‧‧First short side
132‧‧‧第二長側面 132‧‧‧Second long side
133‧‧‧第二短側面 133‧‧‧Second short side
21‧‧‧連接金屬體 21‧‧‧Connected metal body
214‧‧‧第一側 214‧‧‧ first side
216‧‧‧第二側 216‧‧‧ second side
22‧‧‧輻射金屬體 22‧‧‧radiation metal body
31‧‧‧射頻訊號饋入端 31‧‧‧RF signal feed end
32‧‧‧射頻訊號接地端 32‧‧‧RF signal ground
5‧‧‧天線接地金屬體 5‧‧‧Antenna grounded metal body
50‧‧‧系統接地金屬體 50‧‧‧System grounded metal body
A‧‧‧寬度 A‧‧‧Width
B‧‧‧厚度 B‧‧‧thickness
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| TW104129497A TWI568078B (en) | 2015-09-07 | 2015-09-07 | Dimensional antenna structure |
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| Application Number | Priority Date | Filing Date | Title |
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| TW104129497A TWI568078B (en) | 2015-09-07 | 2015-09-07 | Dimensional antenna structure |
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| Publication Number | Publication Date |
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| TWI568078B true TWI568078B (en) | 2017-01-21 |
| TW201711274A TW201711274A (en) | 2017-03-16 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030058173A1 (en) * | 2001-09-25 | 2003-03-27 | Samsung Electro-Mechanics Co., Ltd. | Patch antenna for generating circular polarization |
| TW201236271A (en) * | 2011-02-25 | 2012-09-01 | Acer Inc | Mobile communication device and antenna structure therein |
| US20140320351A1 (en) * | 2013-04-24 | 2014-10-30 | Acer Incorporated | Antenna for mobile device |
| TW201511404A (en) * | 2013-09-10 | 2015-03-16 | Acer Inc | Wrist-worn communication device |
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- 2015-09-07 TW TW104129497A patent/TWI568078B/en active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030058173A1 (en) * | 2001-09-25 | 2003-03-27 | Samsung Electro-Mechanics Co., Ltd. | Patch antenna for generating circular polarization |
| TW201236271A (en) * | 2011-02-25 | 2012-09-01 | Acer Inc | Mobile communication device and antenna structure therein |
| US20140320351A1 (en) * | 2013-04-24 | 2014-10-30 | Acer Incorporated | Antenna for mobile device |
| TW201511404A (en) * | 2013-09-10 | 2015-03-16 | Acer Inc | Wrist-worn communication device |
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