TWI352457B - Complex antenna - Google Patents

Description

1352457 loo year 〇 June 27 曰 Shuttle replacement page VI, invention description: [Technology of the invention] * The invention relates to a kind of composite antenna structure, especially the type can work simultaneously in wireless LAN and wireless Wide area network with composite antenna with good performance and bandwidth. [Prior Art] In modern electronic equipment, the use of wireless communication technology for wireless transmission of data, sound, images, etc. has been increasingly used. The antenna, as an element for sensing electromagnetic waves, is a necessary device for applying wireless communication technology equipment. Today, wireless access to portable electronic devices

The demand is getting higher and higher 'is not satisfied with just accessing the WLAN (Wireless Local Area Network), but wants to access the WWAN (Wireless Wide Area Network) at the same time. [0003] Currently, most WLANs Based on Bluetooth (Bluet00th) technology standard or Wi-Fi standard. In the Bluetooth technology standard, the working frequency band of the antenna falls at 2.4 GHz, and the operating frequency bands of the φ Wi-Fi series technical standards fall at 2. 4 GHz and 5 GHz, respectively. The WWAN is mostly based on the GSM (Global System for Mo-bile communication), GPS (Global Positioning System) and CDMA (Code Division Mul-tiple Access) technical standards. The GSM technology operating band falls at 900 MHz and 1 800 MHz. The GPS technology standard works in the 1 575 MHz band. The CDMA technology standard is further divided into three types: CDMA2000, WCDMA, and TD-SCMA. The CDMA2000 operating band includes 800, 900, 1 700 '1 800 '1 900, 2100MHz; WCDMA operating band includes 1003228790-0 096116052 Form No. A0101 Page 3 / Total 25 Page 1352457 Γ___.__^ June 27, 100 Alternate-f]' 1800, 1 900, 2100MHz; TD-SCDMA operating frequency band includes 900, 1800, 2100MHz. [0004] In order for a portable electronic device to operate simultaneously on a WLAN and a WWAN, an antenna capable of operating in the above frequency band must be installed. In the prior art, two antennas are generally used to realize that the electronic device works simultaneously on the WLAN and the WWAN, one antenna works on the WLAN, and the other antenna works on the WWAN. However, due to the trend of miniaturization of electronic devices, many electronic devices have insufficient internal space to install two or more antennas. [0005] Taiwan Patent Publication No. 200642171 discloses a multi-frequency antenna in which a WLAN antenna and a WWAN antenna are integrated on one antenna. The multi-frequency antenna can work on both WLAN and WWAN, and is small in size, adapting to the trend of miniaturization of electronic equipment. [0006] However, the multi-frequency antenna has a narrow frequency band and covers a WWAN operating frequency band, and the first 'second, third, and fourth antennas of the multi-frequency antenna extend upward from the same side of the grounding portion, and the rounding performance is performed. There will be an impact on each other. Therefore, it is necessary to improve the above antenna to make up for the above defects. SUMMARY OF THE INVENTION [0007] It is an object of the present invention to provide a composite antenna having a wider radiation band and less interference between radiators. In order to achieve the above object, the composite antenna of the present invention is achieved by the following method [0009] A composite antenna comprising: a ground portion having longitudinal sides; and a first antenna operating in a relatively high frequency band, The first radiator disposed at a distance from the ground portion and the first radiator and the ground portion are connected to the 096116052 Form No. A0101 Page 4 of 25 pages 1003228790-0 1352457 • *June 27, revised correction page

a second antenna working in a relatively low frequency band, having a second radiator spaced apart from the ground portion and a second connection portion connecting the second radiator and the ground portion; wherein the first antenna An antenna extends from a side of the ground portion, the first radiator includes a first radiating portion and a second radiating portion operating in different frequency bands; and the second antenna is from the other side of the ground portion Extendingly, the second radiator includes a third radiating portion extending from different ends of the second connecting portion in a different direction, a fourth radiating portion, and a fifth radiating portion extending from a middle portion of the second connecting portion, the third radiating portion The operating frequency band is higher than the frequency band of the fourth radiating portion, and the fifth radiating portion and the fourth radiating portion extend on the same side and are substantially parallel, and the operating frequency band is close to the third radiating portion. [0010] A composite antenna comprising: a grounding portion as an elongated plate; a first antenna having a first radiator spaced apart from the ground portion and a first connecting the first radiator and the ground portion a second antenna having a second radiator spaced apart from the ground portion and a second connecting portion connecting the second radiator and the ground portion; wherein the second radiator includes four free The radiating portion at the end, one radiating portion is located on one side of the second connecting portion, and the other three radiating portions are located on the other side of the second connecting portion. [0011] Compared with the prior art, the composite antenna of the present invention extends upward from both sides of the ground portion by the first antenna and the second antenna, thereby causing mutual interference between the first antenna and the second antenna of the composite antenna. Smaller. Since the second antenna of the composite antenna has more radiating portions, the second antenna has a wider frequency band. [Embodiment] [0012] Referring to the first to second figures, a perspective view of a composite antenna 100 according to a first embodiment of the present invention is shown. In this embodiment, the composite antenna 096116052 Form No. A0101 Page 5 / Total 25 pages 1003228790-0 1352457 100 June 100 is formed by bending a metal sheet, which includes longitudinal sides on a horizontal plane. a grounding portion 3, a mounting portion 4 at both ends of the grounding portion 3, and first and second antennas extending upward from both sides of the grounding portion, respectively

The first antenna 1 operates in a WLAN, and extends substantially upward from a central portion of the ground portion 3 and includes a first radiator 1 spaced apart from the ground portion 3 and connects the first radiator 10 and the ground portion 3 The first connection portion is located in a vertical plane. . The first connecting portion 11 includes a first branch having one end connected to the ground portion 3, a second branch 112 having one end connected to the P point on the first radiator 10, and a third branch 113 connecting the first branch 111 and the second branch 112. The first illuminator 1 〇 includes a first radiating portion 12 that operates in the 2.4 GHz band and a second light emitting portion 13 that operates in the "band." The combination of the first connecting portion U and the first illuminating body 1 is also a dividing point between the first light-emitting portion 12 and the second radiating portion 13. The inner conductor of a feed line (not shown) is soldered to the above point P, and the outer conductor of the feed line is soldered to the ground portion 3. The first dynamism part 12 £ L type 'includes itself? The horizontally extending first-riding arm 121 and the second light-emitting arm 122 extending from the end of the first-lighting arm 121 perpendicularly to the first-radiation arm 121. The second light-emitting portion _ the second branch 112 of the first connecting portion U extends at the end side - and the arm 122 is a flat rod. — 0961丨6052 [0014] The second antenna 2 operates on a W-read, which extends upward from the other side of the grounding portion 3 adjacent to the mounting weir and includes a second light projecting body 2 spaced from the grounding portion 3 and The second connection of the second ejector 20 and the ground portion 3 in the vertical plane is connected. The second connecting portion 2 includes a second segment 212 connected to the second light beam Zhao 20 from the side of the ground portion 3, and a third segment connecting the first segment 211 and the second segment 212 m. Second Jurisdiction Form No. A0101 Page 6 of 25 1003228790-0 1352457 • » June 27, 2006 Nuclear replacement page The projectile 20 includes a third radiating portion 22 extending from the end of the second connecting portion 21,

The fourth radiating portion 23 and the fifth radiating portion 24 extending from the middle of the second connecting portion 21. The third radiating portion 22 operates in the 1800 MHz band and includes a horizontal third radiating arm 221 parallel to the ground portion 3 and a fourth radiating arm 222 extending vertically downward from the end of the third radiating arm 221. The fourth radiating portion 23 operates in the 900 MHz band, which extends from the third radiating arm 221 with respect to the other end of the fourth radiating arm 222 and is in line with the third radiating arm 221. The fourth radiating portion 23 and the third radiating arm 221 are entirely parallel to the ground portion 3. The second connecting portion 21 is connected at the end to the fourth radiating portion 23 at the junction with the third radiating arm 221 and perpendicular to the third radiating portion 22 and the fourth radiating arm 221. The fifth radiating portion 24 extends from the junction of the second segment 212 and the third segment 213 of the second connecting portion 21 and is Z-shaped. The fifth radiating portion 24 includes a fifth radiating arm 241 extending from the junction of the second segment 212 and the third segment 213 of the second connecting portion 21, and a sixth interval spaced apart from the fifth radiating arm 241 and parallel to the ground portion 3. The radiation arm 242 is connected to the seventh radiation arm 243 of the fifth radiation arm 241 and the sixth radiation arm 242. The fifth radiating portion 24 has a radiation path close to the third radiating portion 23, which serves as a complement to the WWAN high frequency band, making the WWAN high frequency band wider. The fifth radiating arm 241 is provided with a feeding point Q at a specific length from the junction of the second section 212 and the third section 213 of the second connecting portion 21, and the inner conductor of a feeding line (not shown) is welded to the above Q point, the feeding line The outer conductor is welded to the ground portion 3 [0015] The mounting portion 4 is provided at both ends of the ground portion 3. Each mounting portion 3 is provided with a large mounting hole 5 for conveniently mounting the antenna in a notebook computer or other mobile electronic device. [0016] Please refer to the ninth figure, which is a composite of the first embodiment of the present invention. Antenna 096116052 Form No. A0101 Page 7 / Total 25 Page 1003228790-0 1352457 [0018] [0019] 096116052 On June 27, 100, Shuttle is replacing the VSWR of the second antenna 2 of page 100 (voltage standing wave ratio) ) Figure. As can be seen from the ninth figure, the second antenna 2 can operate at a frequency of 780 MHz - 1 000 MHz, 1. 7 GHz - 2. 3 GHz. The above bands cover the frequency bands of WWAN's GSM 'CDMA2000, WCDMA and TD-SCDMA technical standards. Of course, the lengths of the fourth radiating portion 23 and the fifth radiating portion 24 are appropriately adjusted, and the second antenna can also operate in the 1575 MHz band of the GPS at the same time. The composite antenna 1 of the first embodiment of the present invention cooperates with the first antenna 1 and the second antenna 2 to operate the frequency band of wwan*wlan, which is the current working standard of all popular technical standards. Moreover, the first antenna 1 and the second antenna 2 respectively extend upward from opposite sides of the grounding portion 3, so that the overall configuration of the composite antenna 100 is compact and the first antenna 丨 and the second antenna 2 interfere with each other greatly. The degree is reduced. Referring to the third and fourth figures, it is a composite antenna 2GG of the second embodiment of the present invention. In this embodiment, the basic shape of the composite antenna 2 (10) is combined with the first embodiment (4) (4), and the difference between the composite antenna 2〇0 and the composite antenna is described in detail below, and the similarities are not described here. β

The first antenna 1 of the composite antenna 200 extends upward from the side of the ground portion 3 and includes a first radiator 10 and a f-light emitter 10 and a ground portion 3 extending from the ground portion 3 in the longitudinal direction. The first connection P11 light emitter 10 in a vertical plane includes a first radiant state operating in the 24 GHz band and operating in the second radiant state of the 5 GHz band. The combination of the first connection portion U and the thin portion 0 is also the division point of the first contact portion 12 and the first portion 13. A feed junction ^, the inner conductor of the outer conductor (4) of the feed line is soldered to the p-point form number surface on the ground portion 3. First-radiation unit 12, page 8/total 25 pages 1003228790-0 [0020]

[0022] 096116052 100 June 27 The second radiating portion 13 and the first connecting portion 11 are located in the same-vertical plane. The second antenna 2 of the composite antenna 2G0 operates at mN, and extends upward from the other side of the ground portion 3 and includes a second light projecting body 20 spaced apart from the ground portion 3 and a second Han apparatus and a ground portion. 3 is a second connecting portion 21 located in a vertical plane. The second connecting portion 21 includes a first segment m extending vertically upward from a side of the ground portion 3, a second segment 212 parallel to the first segment 211, and an inverted z-shaped portion connecting the first segment 211 and the second segment 212. Three paragraphs 213. The second radiator 20 includes a third radiating portion 22, a fourth radiating portion 23, and a fifth radiating portion 24»the third radiating portion 22 operates in the 1 800 MHz band. The fourth radiating portion 23 operates in the 900 MHz band. One end of the second connecting portion 21 is connected to the junction of the fourth light-emitting portion 23 and the third reflecting portion 22, and one end is connected to the middle portion of the side of the ground portion 3. The fifth radiating portion 24 extends from the third segment 213 of the second connecting portion 21 and is L-shaped. The length of the fifth radiating portion 24 is substantially the same as that of the fourth radiating portion 23, which serves as a complement to the WWAN high frequency band, so that the .AN high frequency band is wider. The third segment 213 is provided with a feed point Q between the junction with the second segment 212 and the fifth radiating portion 24, and the inner conductor of a feed line (not shown) is soldered to the Q point, and the outer conductor of the feed line is soldered to the ground. On the 3rd. Referring to the fifth and sixth figures, it is a composite antenna 300 according to a third embodiment of the present invention. The basic shape of the composite antenna 300 is substantially the same as that of the composite antenna 100 of the first embodiment. In this embodiment, the composite antenna 3A also includes the first antenna 1 and the second antenna 2. The first antenna 1 of the composite antenna 300 is substantially the same as the first antenna 〇〇 of the composite antenna 1' except that the first illuminating portion 12 is of a Ζ type. The second antenna 2 of the composite antenna 3 is identical to the second antenna 2 of the composite antenna 1 of the first embodiment. The composite antenna 300 also has an L-shaped parasitic radiation portion 7 from the distance connection form number Α 0101 page 9 / total 25 pages 1003228790-0 1352457 100 years June 27 曰 correction replacement page land 3 side extension first The antenna 1 extends upward at a certain distance. The length of the parasitic radiation portion 7 is substantially equal to the third radiation portion 22 of the second antenna 2, so that the parasitic radiation portion 7 can also increase the high-frequency radiation bandwidth of the second antenna 2. Please refer to the seventh and eighth figures, which are a composite antenna 400 according to a fourth embodiment of the present invention. The basic shape of the composite antenna 400 is substantially the same as that of the composite antenna 100 of the first embodiment. In this embodiment, the composite antenna 300 also includes a first antenna 1 and a second antenna 2. [0024] The first antenna 1 of the composite antenna 400 is substantially the same as the first antenna 1 of the composite antenna 100 except that the first radiating portion 12 is Z-shaped. An inner conductor (not shown) is soldered to the L-shaped feeder access portion 8 extending from the junction of the self-radiator 10 and the first connecting portion 11. The second antenna 2 of the composite antenna 300 is provided with a sixth radiating portion 25 located below the fifth radiating portion 24 than the second antenna 2 of the composite antenna 100 of the first embodiment. The length of the sixth radiating portion 25 is substantially equal to the third radiating portion 22 of the second antenna 2, so that the sixth radiating portion 25 can also increase the high-frequency radiation bandwidth of the second antenna 2. The third radiating portion 22 is located on the side of the second connecting portion 21, and the fourth, fifth, and sixth radiating portions 23, 24, 25 are located on the other side of the second connecting portion 21. [0025] In summary, the present invention has indeed met the requirements of the invention patent.提 Submit a patent application in accordance with the law. However, the above description is only the preferred embodiment of the present invention, and equivalent modifications or variations made by those skilled in the art in light of the spirit of the present invention are intended to be included in the following claims. BRIEF DESCRIPTION OF THE DRAWINGS [0026] The first figure is a perspective view of a first embodiment of a composite antenna of the present invention. [0027] The second figure is a perspective view of another direction of the first figure. 096116052 Form No. A0101 Page 10 of 25 1003228790-0 Pressed on January 27th, 100th page 1352457 [0028] The third figure is a perspective view of a second embodiment of the composite antenna of the present invention. [0029] The fourth figure is a perspective view of another direction of the third figure. [0030] The fifth drawing is a perspective view of a third embodiment of the composite antenna of the present invention. [0031] The sixth figure is a perspective view of another direction of the fifth figure. [0032] FIG. 7 is a perspective view of a fourth embodiment of the composite antenna of the present invention. [0033] The eighth figure is a perspective view of the other direction of the seventh figure. [0034] The ninth drawing is a voltage standing wave ratio diagram of the second antenna in the first embodiment of the present invention. [Main component symbol description] [0035] Composite antenna: 1 00, 200, 300, 400 [0036] First antenna: 1 [0037] First connection portion: 11 [0038] First radiator: 10 [0039] First branch: 111 [0040] Second branch: 11 2 [0041] Third branch: 113 [0042] First radiating portion: 12 [0043] First radiating arm: 121 [0044] Second radiating arm: 122 [ 0045] Second Radiation: 13 096116052 Form No. A0101 Page 1 / Total 25 Page 1003228790-0 1352457 [0046] Second Antenna: 2 [0047] First paragraph: 211 [0048] Second paragraph: 212 [ 0049] Third paragraph: 213 [0050] Second connecting portion: 21 [0051] Third radiating portion: 22 [0052] Fourth Korean portion. 23 [0053] Third radiating arm: 221 [0054] Fourth radiation Arm: 222 [0055] Fifth Radiation: 24 [0056] Fifth Radiation Arm: 241 [0057] Sixth Radiation Arm: 242 [0058] Seventh Radiation Arm: 243 [0059] Second Radiator: 20 [0060] ] 6th Radiation Section: 25 [0061] Grounding Section: 3 [0062] First Mounting Hole: 5 [0063] Mounting Section: 4 [0064] First Parasitic Radiation Section: 096116052 Form No. A0101 Page 12 of 25 100 years 0 Amendment replacement page on June 27

1003228790-0 June 27, 100 nuclear replacement page 1352457, (

[0065] First feeder access point: P

[0066] Second Feeder Access Point: Q

[0067] Feeder Access Department: 8

096116052 Form No. A0101 Page 13 of 25 1003228790-0

Claims (1)

1352457 . . . ___?_ June 27, 100, the shuttle is replacing page VII. Patent application scope: 1. A composite antenna comprising: a grounding portion having longitudinal sides; a first antenna working on a relatively high frequency band having a first radiator spaced apart from the ground portion and a first connection portion connecting the first radiator and the ground portion; the second antenna operating in a relatively low frequency band The second radiating body disposed apart from the grounding portion and the second connecting portion connecting the second radiating body and the grounding portion; wherein the first antenna extends from a side of the grounding portion Coming out, the first radiator includes a first radiating portion and a second radiating portion operating in different frequency bands; the second antenna extends from the other side of the ground portion, and the second radiator includes a third radiating portion extending in different directions extending from the end of the second connecting portion, a fourth radiating portion, and a fifth radiating portion extending from a middle portion of the second connecting portion, wherein the operating band of the third radiating portion is higher than the foregoing Band of the fourth radiation part, The fifth radiating portion and the fourth radiation and a large portion thereof extending parallel to the same side, which operating band the third radiation portion closer. The composite antenna of claim 1, wherein the fifth radiating portion is Z-shaped. 3. The composite antenna of claim 1, wherein the second radiator further comprises a sixth radiating portion extending from a middle portion of the second connecting portion. 4. The composite antenna according to claim 1, wherein the composite antenna further includes an L-type first parasitic radiation portion extending from a side of the ground portion, the first parasitic radiation portion may increase the The radiation band of the second antenna. 5. The composite antenna of claim 1, wherein the second day of the 096116052 form number A0101 is 14 pages/total 25 pages 1003228790-0 1352457 *. On June 27, 100, the shuttle replacement page line includes a feed line having an inner conductor electrically connected to the fifth radiating portion adjacent to the second connecting portion. 6. The composite antenna according to claim 1, wherein the second connecting portion has a Z-shape, and has a first segment extending upward from a side of the ground portion and spaced apart from the first segment The second segment and the third segment connecting the first segment and the second segment. 7. The composite antenna of claim 6, wherein the third segment of the second connecting portion is of an inverted Z shape. 8. The composite antenna of claim 1, wherein the first antenna operates in a wireless local area network, the first radiating portion operates in a 2.4 GHz band, and the second radiating portion operates in a 5 GHz band. 9. The composite antenna according to claim 1, wherein the second antenna operates in a wireless wide area network, and the third radiating portion and the fifth radiating portion work together in a frequency band of 1 800 MHz, the fourth radiation The department works in the 900MHz band. 10. The composite antenna of claim 6, wherein the second antenna comprises a feed line having an inner conductor, and the inner conductor of the feed line is electrically connected to the third portion of the connection portion. A composite antenna comprising: a ground portion as an elongated plate body; a first antenna having a first radiator spaced apart from the ground portion and connecting the first radiator and the ground portion a first connecting portion; a second antenna having a second radiator spaced apart from the ground portion; and a second connecting portion connecting the second radiator and the ground portion; wherein the second The radiator includes four radiating portions having free ends, one radiating portion is located on one side of the second connecting portion, and the remaining three radiating portions are located at the second 096116052 Form No. A0101 Page 15 / Total 25 Page 1003228790-0 1352457 100 years On the 27th of OS, the core replaces the other side of the page connection. The composite antenna according to claim 11, wherein the first radiator includes a first radiating portion that operates at a low frequency and a second radiating portion that operates at a high frequency. The composite antenna according to claim 11, wherein the composite antenna further includes a first parasitic radiation portion extending from a side of the ground portion, and the first parasitic radiation portion may increase the second The radiated band of the antenna. The composite antenna according to claim 11, wherein the second radiator includes a third radiating portion, a fourth radiating portion, and the second connecting portion extending from an end of the second connecting portion. a fifth and sixth radiating portion extending in a middle portion, wherein a free end of the third radiating portion is located on a side of the second connecting portion, and free ends of the fourth, fifth, and sixth radiating portions are located at the The other side of the two connections. The composite antenna according to claim 14, wherein the fifth radiating portion and the sixth radiating portion are both Z-shaped. The composite antenna of claim 15, wherein the second antenna comprises a feed line having an inner conductor electrically connected to the fifth radiating portion adjacent to the second connection One department. The composite antenna according to any one of claims 11 to 16, wherein a longitudinally long end of each of the grounding portions is formed with a mounting portion, wherein the first antenna and the second antenna are located Between the installations. The composite antenna according to claim 17, wherein the first antenna, the second antenna, and the mounting portion are located on the same side of the grounding plate body, the first antenna, and the second antenna. The wires are respectively formed to extend from both side edges of the aforementioned ground portion. 096116052 Form Number A0101 Page 16 of 25 1003228790-0