CN103296385B - A kind of adjustable frequency antenna system - Google Patents

A kind of adjustable frequency antenna system Download PDF

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Publication number
CN103296385B
CN103296385B CN201310205995.0A CN201310205995A CN103296385B CN 103296385 B CN103296385 B CN 103296385B CN 201310205995 A CN201310205995 A CN 201310205995A CN 103296385 B CN103296385 B CN 103296385B
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described
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frequency
low frequency
high
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CN201310205995.0A
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CN103296385A (en
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董孩李
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上海安费诺永亿通讯电子有限公司
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Abstract

The invention discloses a kind of adjustable frequency antenna system, be applicable to have the mobile terminal of metal frame structure, this antenna system comprises metal frame, pcb board and antenna part; The present invention is designed to metal frame a part for antenna radiator, jointly forms loop with metal frame, and single-stage component, for debugging the resonance of low frequency and high frequency, can increase low frequency coupling unit and high-frequency coupling part in addition according to the needs of working band. Beneficial effect of the present invention is: the present invention drives the gap of metal frame in bottom, has avoided user's touching to gap in actual use as far as possible, the poor phenomenon of antenna performance when avoiding actual holding; Working band of the present invention is 704Mhz-960Mhz and 1710-2700Mhz, realizes multiple frequency broad band; Compared with traditional general antenna, the present invention has the advantages that frequency band is many, frequency range is wide.

Description

A kind of adjustable frequency antenna system

Technical field

The invention belongs to antenna technical field, be specifically related to a kind of adjustable frequency antenna system.

Background technology

The antenna multiple frequency broad band of mobile terminal is the developing direction of mobile communication always, particularly portable mobile termianl, UMTS UniversalMobileTelecommunicationsSystem (UMTS) has been current main flow, and its frequency bandwidth is 824Mhz-960Mhz and 1710Mhz-2170Mhz. On the other hand, along with the application of LTE technology, except above-mentioned frequency range, LTE700MHZ is also included, so the frequency range of low frequency is just 700Mhz-960Mhz. What have also comprises high band LTE2.3GHZ and LTE2.5GHZ, so the bandwidth of high frequency is just 2500Mhz-2700Mhz. Complicated due to functions such as mobile phone terminals in addition, antenna for mobile phone space is more and more less, so based on being responsible under the prerequisite in the little space of environment, debug the antenna of a covering 704-960Mhz and 1710-2700Mhz frequency band, has also brought difficult point to Antenna Design.

In addition, the portable terminal product with metal-like is received consumer's favor, but too many hardware is unfavorable for the design in antenna. And demand based on moulding, the space of antenna is also more and more less, and antenna environment around also becomes increasingly complex. So under limited space and complex environment, conformable metallic structural member, synchronously considers that user experiences, and also needs to meet the antenna of multiple frequency broad band, has proposed challenge to Antenna Design.

Summary of the invention

In order to overcome the defect existing in prior art, the present invention has at mobile terminal under the prerequisite of metal frame, a kind of adjustable frequency antenna system that is applicable to metal frame structure is proposed, it is 704Mhz-960Mhz and 1710Mhz-2700Mhz that this antenna system can realize working frequency range, and meets the performance requirement of whole frequency range. The concrete technical scheme of the present invention is as follows:

A kind of adjustable frequency antenna system, is applicable to have the mobile terminal of metal frame structure, and this antenna system comprises metal frame, pcb board and antenna part; Metal frame comprises frame and underframe, and frame and underframe surround one first space, is respectively equipped with the first gap and the second gap between the two ends of underframe and the two ends of frame; Pcb board is arranged in the first space, and pcb board comprises metallic region and empty regions, and empty regions is near underframe;

Antenna part comprises feed part, and current feed department divides and comprises feed, earth point and feed cabling part, and feed and earth point are arranged in the empty regions of pcb board, and feed cabling part is arranged on the top of the empty regions of pcb board, and parallel with pcb board; Feed cabling part comprises low frequency loop main body and single-stage component; Low frequency loop main body comprises the first loop branch, circuit, the second loop branch, the 3rd loop branch and Fourth Ring road branch, the first loop branch is connected with one end of feed and circuit respectively, the other end of circuit is connected with the second loop branch, the second loop branch is connecting one end of the underframe of metal frame, the other end of the underframe of metal frame is connected with the 3rd loop branch, the 3rd loop branch is connected with Fourth Ring road branch, and Fourth Ring road branch is by earth point ground connection, thus formation one loop; Single-stage component comprises the first low frequency branch, the second low frequency branch, the first high-frequency branch and the second high-frequency branch, the first low frequency branch is connected with the second loop branch and the second low frequency branch respectively, the first high-frequency branch is connected with Fourth Ring road branch, and the second high-frequency branch is connected with the first loop branch; Between circuit and underframe, leave gap, between the second low frequency branch and the second high-frequency branch, leave gap, between the first loop branch and the first high-frequency branch, leave gap.

As prioritization scheme, metal frame is wrapped in the surrounding of mobile terminal; Both sides and the top of the corresponding mobile terminal of frame, the bottom of the corresponding described mobile terminal of underframe.

As prioritization scheme, antenna part also comprises coupling unit, and coupling unit comprises low frequency coupling unit, and low frequency coupling unit is arranged in the empty regions of pcb board; Low frequency coupling unit comprises RF switch, the first low frequency coupling support arm and the second low frequency coupling support arm, and one end of the first low frequency coupling support arm is connected with RF switch, and the other end of the first low frequency coupling support arm is connected with the second low frequency coupling support arm.

As prioritization scheme, coupling unit also comprises high-frequency coupling part, and high-frequency coupling part and feed cabling part are arranged in same plane; High-frequency coupling part comprises the first high-frequency coupling support arm and the second high-frequency coupling support arm, the first high-frequency coupling support arm is arranged on one end of frame and corresponding with the position of Fourth Ring road branch, and the second high-frequency coupling support arm is arranged on the other end of frame and corresponding with the position of the first low frequency branch.

As prioritization scheme, RF switch is hilted broadsword change-over switch or multi-channel switch.

As prioritization scheme, the cabling mode of circuit is bending layout.

As prioritization scheme, circuit is provided with some circuit support arms, thereby circuit support arm increases bandwidth for generation of extra coupling.

As prioritization scheme, the mode that the second loop branch, the 3rd loop branch are connected by pcb board is respectively connected with underframe; Connected mode, the 3rd loop branch and the connected mode of pcb board of the second loop branch and pcb board and the connected mode of underframe and pcb board adopt thimble contact or shrapnel contact.

As prioritization scheme, feed and earth point are arranged on the optional position in the empty regions of pcb board.

Compared with prior art, the present invention has following beneficial effect:

(1) the present invention is designed to metal frame a part for antenna radiator, except opening two thin gaps, can retain mobile phone the requirement with metal decoration frame, meets the demand of consumer to metal-like mobile terminal product;

(2) due to the metal frame gap of cracking, finger touches gap, on the antenna performance impact of mobile terminal greatly, the present invention drives the gap of metal frame in bottom, avoided user's touching to gap in actual use, the poor phenomenon of antenna performance when avoiding actual holding as far as possible;

(3) working band of the present invention is 704Mhz-960Mhz and 1710-2700Mhz, realizes multiple frequency broad band; Compared with traditional general antenna, the present invention has the advantages that frequency band is many, frequency range is wide.

Brief description of the drawings

Fig. 1 is the structural representation of metal frame of the present invention and pcb board;

Fig. 2 is the partial schematic diagram of metal frame of the present invention;

Fig. 3 is the structural representation of the embodiment of the present invention 1;

Fig. 4 is the schematic perspective view of the embodiment of the present invention 1;

Fig. 5 is the return loss plot of the embodiment of the present invention 1;

Fig. 6 is the schematic perspective view of the embodiment of the present invention 1;

Fig. 7 is the structural representation of the embodiment of the present invention 2;

Fig. 8 is the structural representation of the embodiment of the present invention 3;

Fig. 9 is the schematic perspective view of the embodiment of the present invention 3.

In upper figure, sequence number is: 100-metallic region, 101-empty regions, 102-frame, 103-the first gap, 104-underframe, 105-the second gap, 201-feed, 202-earth point, 203-RF switch, 204-the first loop branch, 205-circuit, 206-the second loop branch, 207-the first low frequency branch, 208-the second low frequency branch, 209-the 3rd loop branch, 210-the first high-frequency branch, 211-Fourth Ring road branch, 212-the second high-frequency branch, 213-the first low frequency coupling support arm, 214-the second low frequency coupling support arm, 215-the first high-frequency coupling support arm, 216-the second high-frequency coupling support arm, 300-the first metal blocks, 301-the first shell fragment, 302-the first thimble, 303-the second metal blocks, 304-the second shell fragment, 305-the second thimble.

Detailed description of the invention

Describe the present invention below in conjunction with accompanying drawing in detail in the mode of embodiment.

Embodiment 1:

A kind of adjustable frequency antenna system, is applicable to have the mobile terminal of metal frame structure, and this antenna system comprises metal frame, pcb board and antenna part; Pcb board is general printed circuit board (PCB) (Printedcircuitboard).

As depicted in figs. 1 and 2, metal frame comprises frame 102 and underframe 104, and frame 102 and underframe 104 surround first space, is respectively equipped with the first gap 103 and the second gap 105 between the two ends of underframe 104 and the two ends of frame 102. Metal frame is wrapped in the surrounding of mobile terminal; Both sides and the top of frame 102 corresponding mobile terminals, the bottom of underframe 104 corresponding mobile terminals. In the present embodiment, taking general mobile phone as example, the size of general mobile phone is roughly 150mm × 70mm, and the first space that therefore metal frame surrounds is made as long L1 × wide W1=150mm × 70mm; The width h2 of metal frame is 5mm, and the gap width in the first gap 103 and the second gap 105 is 0.8mm.

As shown in Figure 1, pcb board is arranged in the first space that metal frame surrounds, and pcb board comprises metallic region 100 and empty regions 101, and empty regions 101 is positioned at the region near the underframe 104 of metal frame. In the present embodiment, the width L2 of empty regions 101 is 8mm.

As shown in Figure 3 and Figure 4, antenna part comprises feed part and coupling unit. Current feed department divides and comprises feed 201, earth point 202 and feed cabling part, feed 201 and earth point 202 are arranged on the optional position in the empty regions 101 of pcb board, feed cabling part be arranged on pcb board empty regions 101 top (in the present embodiment, in the plane that the height h1 that is arranged on empty regions 101 is 3mm), and parallel with described pcb board. Feed cabling part comprises low frequency loop main body and single-stage component. Feed 201 can be in case put any position in empty regions 101. In the fixing situation in the position of feed 201, the position of earth point 202 changes, all larger on the impact of low-and high-frequency, especially the resonance to high frequency. The relative position of feed 201 and earth point 202 can be set according to mobile phone layout demand and resonance demand.

Low frequency loop main body comprises the first loop branch 204, circuit 205, the second loop branch 206, the 3rd loop branch 209 and Fourth Ring road branch 211; The first loop branch 204 is connected with one end of feed 201 and circuit 205 respectively, the other end of circuit 205 is connected with the second loop branch 206, the second loop branch 206 is connecting one end (being the one end near the first gap 103 in the present embodiment) of the underframe 104 of metal frame, the other end (being the one end near the second gap 105 in the present embodiment) of the underframe 104 of metal frame is connected with the 3rd loop branch 209, the 3rd loop branch 209 is connected with Fourth Ring road branch 211, Fourth Ring road branch 211 is by described earth point 202 ground connection, thus formation one loop. Low frequency loop main body is mainly for generation of the resonance of low frequency, the resonance of the high frequency that also doubly occurs frequently simultaneously, and the cabling in ring is if the first loop branch 204, the 3rd loop branch 209 and Fourth Ring road branch 211 are also for debugging high-frequency resonant simultaneously. In the present embodiment, the cabling mode of circuit 205 is arranged for bending, adopts bending to arrange, can utilize bending to walk longer electrical length, is used for debugging resonance point, can also increase the coupling between cabling, and then increases the bandwidth of low frequency. Earth point 202 can be in case put any position in empty regions 101. The layout of each branch in low frequency loop main body (the first loop branch 204,, the second loop branch 206, the 3rd loop branch 209 and Fourth Ring road branch 211) is not limited to the position shown in Fig. 3, and the cabling mode of each branch can adopt bending cabling.

Single-stage component comprises the first low frequency branch 207, the second low frequency branch 208, the first high-frequency branch 210 and the second high-frequency branch 212; The first low frequency branch 207 is connected with the second loop branch 206 and the second low frequency branch 208 respectively, and the first high-frequency branch 210 is connected with Fourth Ring road branch 211, and the second high-frequency branch 212 is connected with the first loop branch 204. The first low frequency branch 207 and the second low frequency branch 208 are for debugging the resonance of low frequency, the first high-frequency branch 210 and the second high-frequency branch 212 for the first loop branch 204, the 3rd loop branch 209 together with Fourth Ring road branch 211, jointly debug the resonance of high frequency. Each single-stage branch in the present embodiment is not limited to the position cabling in Fig. 3, and the quantity of unit branch is not limited to four in the present embodiment.

Between circuit 205 and underframe 104, leave gap, the impact of the bandwidth on antenna is larger, and gap is less, and bandwidth is wider. Between the second low frequency branch 208 and the second high-frequency branch 212, leave gap, this gap can synchronously affect the resonance of low frequency and high frequency. The variation of the second low frequency branch 208, can cause the gap between the second low frequency branch 208 and the second high-frequency branch 212 to change, and synchronously also can affect in various degree high frequency. Between the first loop branch 204 and the first high-frequency branch 210, leave gap, this gap is mainly used to debug the bandwidth of high frequency the first resonance. Above-described these gaps all can be adjusted as required.

Coupling unit comprises low frequency coupling unit and high-frequency coupling part.

Low frequency coupling unit is arranged in the empty regions 101 of pcb board, and low frequency coupling unit comprises RF switch 203, the first low frequency coupling support arm 213 and the second low frequency coupling support arm 214; One end of the first low frequency coupling support arm 213 is connected with RF switch 203, and the other end of the first low frequency coupling support arm 213 is connected with the second low frequency coupling support arm 214. The first low frequency coupling support arm 213 and the second low frequency coupling support arm 214 are for generation of the LTE700MHZ of low frequency. In the present embodiment, RF switch 203 is hilted broadsword change-over switch, but is not limited to hilted broadsword change-over switch, also can adopt multi-channel switch. As shown in Figure 4, low frequency coupling unit is arranged in the empty regions face of pcb board, by with the feed cabling part generation coupling of top, thereby produce the resonance of LTE700MHZ. Low frequency coupling unit utilizes RF switch 203 to realize the switching of low frequency between two frequency bands, produce two duties: a kind of state is that low frequency coupling unit is connected with place, form parasitic element, produce the resonance of LTE700MHZ with the feed cabling partial coupling of top; To be that low frequency coupling unit is unsettled be not connected in ground another kind of state, keeps original antenna performance. RF switch 203, the first low frequency coupling support arm 213 and the second low frequency coupling support arm 214 can be placed on and be not limited to the position shown in Fig. 3 and Fig. 4, and the cabling mode of the first low frequency coupling support arm 213 and the second low frequency coupling support arm 214 can adopt bending cabling.

High-frequency coupling part and feed cabling part are arranged in same plane, and high-frequency coupling part comprises the first high-frequency coupling support arm 215 and the second high-frequency coupling support arm 216; The first high-frequency coupling support arm 215 is arranged on one end (in the present embodiment near the one end in the second gap 105) of frame 102 and corresponding with the position of Fourth Ring road branch 211, and the second high-frequency coupling support arm 216 is arranged on the other end (being the one end near the first gap 103 in the present embodiment) of frame 102 and corresponding with the position of the first low frequency branch 207. The first high-frequency coupling support arm 215 is for adjusting bandwidth, notch depth and the resonant frequency of high-frequency resonant, and the second high-frequency coupling support arm 216 is for generation of LTE2500MHZ(2500-2700Mhz) resonance. In the time not having LTE2500MHZ to require, high-frequency coupling part can be set. The quantity of high-frequency coupling support arm do not limit to the present embodiment in two, can increase as required several high-frequency coupling support arms. The first high-frequency coupling support arm 215 and the second high-frequency coupling support arm 216 can be placed on and be not limited to the position shown in Fig. 3, and cabling mode can adopt bending cabling.

The antenna performance of the present embodiment and efficiency are as shown in Figure 5 and Figure 6. As shown in Figure 5, in figure, black dotted lines is the state of switch 1, return loss (S11) performance of 704-824Mhz, 1710-2170Mhz, each frequency range of 2500-2700Mhz is as shown in table 1: the return loss of low frequency-below 3.5DB, the return loss of high frequency is in-10DB left and right.

Table 1

Frequency (Mhz) 704 824 1710 2170 2500 2700 Return loss (dB) -3.7 -3.9 -11 -12.4 -8 -14

Solid black lines is the state of switch 2, and it is as shown in table 2 that signal covers return loss (S11) performance of 824-960Mhz, each frequency range of 1710-2170Mhz: the return loss of low frequency-below 4DB, the return loss of high frequency-below 10DB.

Table 2

Frequency (Mhz) 824 960 1710 2170 Return loss (dB) -4.8 -4.3 -15 -11

As shown in Figure 6, in figure, black dotted lines is the state of switch 1, and signal covers 704-824Mhz, 1710-2170Mhz, each frequency range of 2500-2700Mhz, and average efficiency is as shown in table 3:

Table 3

Frequency (Mhz) 704-824MHz 1710-2170MHz 2500-2700Mhz Average efficiency (%) 52% 59% 57%

Solid black lines is the state of switch 2, and signal covers each frequency range of 824-960Mhz, 1710-2170Mhz, and average efficiency is as shown in table 4:

Table 4

Frequency (Mhz) 824-960MHz 1710-2170MHz Average efficiency (%) 51% 70%

Embodiment 2:

As shown in Figure 7, the difference of the present embodiment and embodiment 1 is: high-frequency coupling part is not set in the present embodiment, is applicable to the situation that does not have LTE2500MHZ to require. The other technologies feature of the present embodiment is all identical with embodiment 1, is not repeating at this.

Embodiment 3:

As shown in Figure 8 and Figure 9, the present embodiment is with the difference of embodiment 1: the mode that the second loop branch 206, the 3rd loop branch 209 are connected by pcb board is connected with underframe 104, the second loop branch 206 is connected to the first metal blocks 300 of pcb board by the first thimble 302, one end of underframe 104 is connected to the first metal blocks 300 of pcb board by the first shell fragment 301, thereby by the first metal blocks 300, one end of the second loop branch 206 and underframe 104 is communicated with; The 3rd loop branch 209 is connected to the second metal blocks 303 of pcb board by the second thimble 305, the other end of underframe 104 is connected to the second metal blocks 303 of pcb board by the second shell fragment 304, thereby by the second metal blocks 303, the other end of the 3rd loop branch 209 and underframe 104 is communicated with. But the connected mode of the connected mode of low frequency loop main body and pcb board and metal frame and pcb board is not limited to this, can selects as required thimble or shell fragment to realize and connect. The other technologies feature of the present embodiment is all identical with embodiment 1, is not repeating at this.

Embodiment 4:

The difference of the present embodiment and embodiment 1 is: on circuit 205, set up a circuit support arm, thereby circuit support arm increases bandwidth for generation of extra coupling. But the quantity of the circuit support arm of setting up is not limited to this, can set up as required multiple circuit support arms. The other technologies feature of the present embodiment is all identical with embodiment 1, is not repeating at this.

Disclosed is above only several specific embodiments of the application, but the not limited thereto the changes that any person skilled in the art can think of of the application all should drop in the application's protection domain.

Claims (9)

1. a frequency antenna system, is applicable to have the mobile terminal of metal frame structure, it is characterized in that,This antenna system comprises metal frame, pcb board and antenna part;
Described metal frame comprises frame (102) and underframe (104), described frame (102) and described underframe(104) surround one first space, the two ends of the two ends of described underframe (104) and described frame (102) itBetween be respectively equipped with the first gap (103) and the second gap (105);
Described pcb board is arranged in described the first space, described pcb board comprise metallic region (100) andEmpty regions (101), described empty regions (101) is near described underframe (104);
Described antenna part comprises feed part, and described current feed department divides and comprises feed (201), earth point (202)With feed cabling part, described feed (201) and described earth point (202) are arranged on described pcb boardIn empty regions (101), described feed cabling part is arranged on the empty regions (101) of described pcb boardTop, and parallel with described pcb board; Described feed cabling part comprises that low frequency loop main body and single-stage divideProp up part; Described low frequency loop main body comprises the first loop branch (204), circuit (205), the second ringRoad branch (206), the 3rd loop branch (209) and Fourth Ring road branch (211), described the first loopBranch (204) is connected with one end of described feed (201) and described circuit (205) respectively, described circuit(205) the other end is connected with described the second loop branch (206), described the second loop branch (206)Connect one end of described underframe (104), the other end of described underframe (104) and described the 3rd loop branch(209) connect, described the 3rd loop branch (209) is connected with described Fourth Ring road branch (211), instituteState Fourth Ring road branch (211) by described earth point (202) ground connection, thereby form a loop; DescribedSingle-stage component comprises the first low frequency branch (207), the second low frequency branch (208), the first high frequency divisionProp up (210) and the second high-frequency branch (212), described the first low frequency branch (207) is respectively with described secondLoop branch (206) is connected with described the second low frequency branch (208), described the first high-frequency branch (210)Be connected described the second high-frequency branch (212) and described the first loop with described Fourth Ring road branch (211)Branch (204) connects; Between described circuit (205) and described underframe (104), leave gap, describedBetween two low frequency branch (208) and described the second high-frequency branch (212), leave gap, described the first loopBetween branch (204) and described the first high-frequency branch (210), leave gap.
2. a kind of frequency antenna system according to claim 1, is characterized in that, described metal frame bagBe rolled in the surrounding of described mobile terminal; Both sides and the top of the corresponding described mobile terminal of described frame (102),The bottom of the corresponding described mobile terminal of described underframe (104).
3. a kind of frequency antenna system according to claim 1, is characterized in that, described antenna partAlso comprise coupling unit, described coupling unit comprises low frequency coupling unit, and described low frequency coupling unit is arranged onIn the empty regions (101) of described pcb board, by with the feed cabling part generation coupling of top;Described low frequency coupling unit comprises RF switch (203), the first low frequency coupling support arm (213) and second lowFrequently the support arm (214) that is coupled, one end and the described RF switch (203) of described the first low frequency coupling support arm (213)Be connected, the other end of described the first low frequency coupling support arm (213) and described the second low frequency coupling support arm (214)Be connected.
4. a kind of frequency antenna system according to claim 3, is characterized in that, described coupling unitAlso comprise high-frequency coupling part, described high-frequency coupling part and described feed cabling part are arranged on same flatIn face; Described high-frequency coupling part comprises the first high-frequency coupling support arm (215) and the second high-frequency coupling support arm(216), described the first high-frequency coupling support arm (215) be arranged on one end of described frame (102) and with instituteThe position of stating Fourth Ring road branch (211) is corresponding, and described the second high-frequency coupling support arm (216) is arranged onThe other end of described frame (102) and corresponding with the position of described the first low frequency branch (207).
5. according to a kind of frequency antenna system described in claim 3 or 4, it is characterized in that described radio frequencySwitch (203) is hilted broadsword change-over switch or multi-channel switch.
6. a kind of frequency antenna system according to claim 1, is characterized in that, described circuit (205)Cabling mode for bending arrange.
7. a kind of frequency antenna system according to claim 1, is characterized in that, described circuit (205)Be provided with some circuit support arms, thereby described circuit support arm increases bandwidth for generation of extra coupling.
8. a kind of frequency antenna system according to claim 1, is characterized in that, described the second loopMode and the described end that branch (206), described the 3rd loop branch (209) are connected by pcb board respectivelyFrame (104) connects; Described the second loop branch (206) and the connected mode of pcb board, described the 3rd ringRoad branch (209) and the connected mode of pcb board and the connected mode of described underframe (104) and pcb boardAdopt thimble contact or shrapnel contact.
9. a kind of frequency antenna system according to claim 1, is characterized in that, described feed (201)Be arranged on the optional position in the empty regions (101) of described pcb board with described earth point (202).
CN201310205995.0A 2013-05-29 2013-05-29 A kind of adjustable frequency antenna system CN103296385B (en)

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Families Citing this family (51)

* Cited by examiner, † Cited by third party
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WO2016029478A1 (en) * 2014-08-30 2016-03-03 华为技术有限公司 Communication terminal
BR112017008681A2 (en) 2014-10-31 2018-07-24 Huawei Tech Co Ltd wireless mobile device
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KR20160097102A (en) * 2015-02-06 2016-08-17 삼성전자주식회사 Key button assembly and electronic device having it
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CN107026314A (en) * 2016-01-29 2017-08-08 北京小米移动软件有限公司 The antenna of mobile terminal
CN107204512B (en) 2016-03-16 2019-12-06 北京小米移动软件有限公司 Antenna of mobile terminal and mobile terminal
CN107204509B (en) * 2016-03-18 2019-12-03 北京小米移动软件有限公司 Electronic equipment and its antenna structure
CN107275761A (en) * 2016-04-08 2017-10-20 北京小米移动软件有限公司 The antenna of terminal
CN107302125B (en) * 2016-04-15 2019-11-15 北京小米移动软件有限公司 Antenna structure and electronic equipment
WO2017185376A1 (en) * 2016-04-29 2017-11-02 广东欧珀移动通信有限公司 Antenna device and mobile terminal
CN105896029A (en) * 2016-05-01 2016-08-24 上海大学 Multiband metal frame cellphone antenna
CN107394358A (en) * 2016-05-17 2017-11-24 北京小米移动软件有限公司 Antenna structure and electronic equipment
CN105977614A (en) * 2016-05-30 2016-09-28 北京小米移动软件有限公司 Communication antenna, control method, control device, and control terminal of communication antenna
US10389010B2 (en) 2016-07-21 2019-08-20 Chiun Mai Communication Systems, Inc. Antenna structure and wireless communication device using same
CN107666036A (en) * 2016-07-21 2018-02-06 深圳富泰宏精密工业有限公司 Antenna structure and the radio communication device with the antenna structure
CN107887688A (en) * 2016-09-29 2018-04-06 比亚迪股份有限公司 Mobile terminal and its antenna assembly
CN106252854B (en) * 2016-09-29 2019-05-24 努比亚技术有限公司 A kind of antenna and mobile terminal
CN106329062A (en) * 2016-09-30 2017-01-11 努比亚技术有限公司 Multi-frequency antenna structure and electronic device
CN106486773A (en) * 2016-09-30 2017-03-08 努比亚技术有限公司 A kind of mobile terminal and its antenna structure
CN107887683B (en) * 2016-09-30 2019-11-15 北京小米移动软件有限公司 Terminal shell and terminal
JP2018067860A (en) * 2016-10-21 2018-04-26 タイコエレクトロニクスジャパン合同会社 antenna
CN108123210A (en) * 2016-11-26 2018-06-05 北京小米移动软件有限公司 The antenna of terminal
CN106876891A (en) * 2016-12-29 2017-06-20 努比亚技术有限公司 A kind of antenna, mobile terminal and its control method
CN108539387A (en) * 2017-03-03 2018-09-14 北京小米移动软件有限公司 The antenna modules and electronic equipment of electronic equipment
CN107369885A (en) * 2017-06-21 2017-11-21 希姆通信息技术(上海)有限公司 Antenna and mobile terminal based on metal edge frame
CN107331964A (en) * 2017-06-26 2017-11-07 北京小米移动软件有限公司 Metal edge frame terminal antenna and terminal
CN107394351A (en) * 2017-07-06 2017-11-24 电子科技大学 A kind of full metal jacket mobile intelligent terminal antenna
CN107834206A (en) * 2017-10-27 2018-03-23 北京小米移动软件有限公司 A kind of antenna and mobile terminal
GB201718009D0 (en) * 2017-10-31 2017-12-13 Smart Antenna Tech Limited Hybrid closed slot LTE antenna
WO2019084838A1 (en) * 2017-11-01 2019-05-09 深圳传音制造有限公司 Antenna for mobile terminal, and mobile terminal having same
CN108598666A (en) * 2018-05-28 2018-09-28 北京小米移动软件有限公司 Terminal shell and terminal
CN108808236A (en) * 2018-06-20 2018-11-13 袁涛 Small-sized half-duplex antenna applied to the fields NB-IoT
CN109149096A (en) * 2018-09-06 2019-01-04 深圳通诚无限科技有限公司 A kind of 4G metal antenna
CN109728418A (en) * 2018-12-29 2019-05-07 联想(北京)有限公司 Electronic equipment and its antenna

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101682119A (en) * 2007-06-21 2010-03-24 苹果公司 antennas for handheld electronic devices with conductive bezels
CN102255134A (en) * 2011-04-21 2011-11-23 广东欧珀移动通信有限公司 Multi-coupling built-in antenna device
CN102594389A (en) * 2011-01-11 2012-07-18 苹果公司 Resonating element for reducing radio-frequency interference in an electronic device
CN202444051U (en) * 2012-03-12 2012-09-19 广东欧珀移动通信有限公司 Coupling feed-in type cell phone antenna device
CN102800931A (en) * 2012-08-23 2012-11-28 广东欧珀移动通信有限公司 Mobile communication terminal antenna device

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101682119A (en) * 2007-06-21 2010-03-24 苹果公司 antennas for handheld electronic devices with conductive bezels
CN102594389A (en) * 2011-01-11 2012-07-18 苹果公司 Resonating element for reducing radio-frequency interference in an electronic device
CN102255134A (en) * 2011-04-21 2011-11-23 广东欧珀移动通信有限公司 Multi-coupling built-in antenna device
CN202444051U (en) * 2012-03-12 2012-09-19 广东欧珀移动通信有限公司 Coupling feed-in type cell phone antenna device
CN102800931A (en) * 2012-08-23 2012-11-28 广东欧珀移动通信有限公司 Mobile communication terminal antenna device

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