CN204809376U - Antenna structure and mobile terminal of upper and lower feed - Google Patents
Antenna structure and mobile terminal of upper and lower feed Download PDFInfo
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- CN204809376U CN204809376U CN201520430709.5U CN201520430709U CN204809376U CN 204809376 U CN204809376 U CN 204809376U CN 201520430709 U CN201520430709 U CN 201520430709U CN 204809376 U CN204809376 U CN 204809376U
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Abstract
The utility model provides an antenna structure and mobile terminal of upper and lower feed, the utility model discloses an antenna structure of feed includes from top to bottom: parallel arrangement's last feed antenna structure and feed antenna structure down go up feed antenna structure and set up in mobile terminal between mainboard and the face -piece, the feed structure sets up between covering behind mainboard and mobile terminal's the metal down, go up feed antenna structure and feed antenna structure down respectively with mainboard connection, down feed antenna structure includes first distributing point and two metal shrapnel, approximately is connected behind first distributing point one end and the mainboard connection, the other end of first distributing point and metal, two metal shrapnel are respectively with the both ends and the mainboard connection that cover behind the metal. The utility model discloses an antenna structure and mobile terminal of upper and lower feed through introducing feed antenna structure and lower two feed antenna structure of feed antenna structure, has strengthened the performance of antenna greatly.
Description
Technical field
The utility model relates to technical field of mobile terminals, particularly relates to a kind of antenna structure and mobile terminal of upper and lower feed.
Background technology
Along with the mobile communication epoch arrive, the mobile terminal feel as more beautiful in cell phone appearance with metal back cover is better.Wherein embedded antenna for mobile terminal realizes the interface that mobile terminal and communication base station carry out wireless data exchange, and thus the quality of embedded antenna for mobile terminal becomes the important indicator of mobile terminal.
Along with popularizing of 4G technology, the pattern of the antenna demand fulfillment different frequency range of existing mobile terminal, existing mobile phone adopts inverted-F antenna (InvertedF-shapedAntenna mostly; IFA), unipole antenna (Monopole) or loop aerial (LoopAntenna) make mobile terminal can use under each HF mode.Unique distributing point is arranged on mobile terminal inside by traditional mobile terminal, and along with the rise of the mobile terminal of metal back cover, the metal back cover that distributing point is arranged on mobile terminal is inner, and metal back cover can affect the performance of antenna.Therefore by being arranged on the metal edge frame of side by this distributing point, some frequency ranges of antenna are done separately, to strengthen the performance of antenna.
But the setting of the distributing point of the mobile terminal of metal back cover of the prior art is comparatively simple, and antenna performance is lower.
Utility model content
The utility model provides a kind of antenna structure and mobile terminal of upper and lower feed, comparatively simple with the setting solving the distributing point of the mobile terminal due to metal back cover, the problem that antenna performance is lower.
The utility model provides a kind of antenna structure of upper and lower feed, and the antenna structure of described upper and lower feed comprises: the upper fed antenna structure be arranged in parallel and lower fed antenna structure, and described upper fed antenna structure arranges in the terminal between mainboard and face-piece; Described lower feed structure is arranged between the metal back cover of described mainboard and described mobile terminal; Described upper fed antenna structure is connected with described mainboard respectively with described lower fed antenna structure; Described lower fed antenna structure comprises the first distributing point and two metal clipss, and described first distributing point one end is connected with described mainboard, and the other end of described first distributing point is connected with described metal back cover; The two ends of described metal back cover are connected with described mainboard by described two metal clipss respectively.
Further, in the antenna structure of feed up and down described above, the two section described metal back cover of described first distributing point respectively and between described two metal clipss, respectively as the antenna of described lower fed antenna structure, and are operated within the scope of different frequency range.
Further, in the antenna structure of feed up and down described above, the antenna of described lower fed antenna structure adopts loop aerial or planar inverted F-antenna structure.
Further, in the antenna structure of feed up and down described above, described upper fed antenna structure comprises: the second distributing point, the first feedback place, the first antenna and the second antenna; One end of described second distributing point is connected with described mainboard respectively with the one end in the first feedback place; The other end of described first distributing point is connected with described first antenna, and the other end in described first feedback place is connected with described second antenna.
Further, in the antenna structure of feed up and down described above, described first antenna and described second Antenna Operation are within the scope of different frequency range.
Further, in the antenna structure of feed up and down described above, described first antenna and described second antenna adopt monopole antenna structure respectively.
Further, in the antenna structure of feed up and down described above, described upper fed antenna structure comprises: the 3rd distributing point and third antenna; One end of described 3rd distributing point is connected with described mainboard; The other end of described 3rd distributing point is connected with described third antenna; The two ends of described third antenna are connected with described mainboard respectively.
Further, in the antenna structure of feed up and down described above, described upper fed antenna structure comprises: the 4th distributing point, the second feedback place, parasitic feedback place and the 4th antenna, the 5th antenna and the 6th antenna, and described parasitism feedback place is the parasitic place in described second feedback place; One end of described 4th distributing point is connected with described mainboard; The other end of described 4th distributing point is connected with the 4th antenna, and the one end in described second feedback place is connected with described mainboard respectively with the one end in described parasitism feedback place; The other end in described second feedback place is connected with described 5th antenna and described 6th antenna respectively with the other end in described parasitism feedback place.
Further, in the antenna structure of feed up and down described above, described 4th antenna, described 5th antenna and described 6th antenna adopt inverted-F antenna structure.
The utility model also provides a kind of mobile terminal, and described mobile terminal is provided with metal back cover, and is provided with the antenna structure of as above arbitrary described feed up and down in described mobile terminal.
The antenna structure of upper and lower feed of the present utility model and mobile terminal, by introducing upper fed antenna structure and lower fed antenna structure two fed antenna structure, greatly strengthen the performance of antenna.The first distributing point in same fed antenna structure at present makes mainboard be communicated with metal back cover, make metal back cover as the antenna of lower fed antenna structure, and be operated in different band limits, increase the cabling area of antenna simultaneously, the working frequency range scope of antenna can be made larger.Adopt the technical solution of the utility model, effectively can strengthen the performance of antenna.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the antenna structure one embodiment schematic diagram of the upper and lower feed of the utility model;
Fig. 2 is another example structure schematic diagram of the antenna structure of upper and lower feed of the present utility model;
Fig. 3 is the circuit theory diagrams of the antenna platelet in Fig. 2 in mainboard 3;
Fig. 4 is the connection diagram of the first distributing point 6 and the antenna platelet in Fig. 3 in Fig. 2;
Fig. 5 is the connection diagram going up the antenna platelet in fed antenna structure 1 and Fig. 3 in Fig. 2;
Fig. 6 is an antenna structure embodiment schematic diagram again of the upper and lower feed of the utility model;
Fig. 7 is the another embodiment schematic diagram of antenna structure of the upper and lower feed of the utility model;
Fig. 8 is the debugging figure of the antenna structure of the feed up and down shown in Fig. 2.
Embodiment
For making the object of the utility model embodiment, technical scheme and advantage clearly, below in conjunction with the accompanying drawing in the utility model embodiment, technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Fig. 1 is the antenna structure one embodiment schematic diagram of the upper and lower feed of the utility model.As shown in Figure 1, the antenna structure of the upper and lower feed of the present embodiment comprises: the upper fed antenna structure 1 be arranged in parallel and lower fed antenna structure, and upper fed antenna structure 1 arranges in the terminal between mainboard 3 and face-piece 4; Lower fed antenna structure is arranged between the metal back cover 5 of mainboard 3 and mobile terminal; Upper fed antenna structure 1 is connected with mainboard 3 respectively with lower fed antenna structure.One end that lower fed antenna structure comprises the first distributing point 6 and two metal clips 7, first distributing points 6 is connected with mainboard 3, and the other end of the first distributing point 6 is connected with metal back cover 5; Particularly, the other end place that can connect the first distributing point 6 in metal back cover 5 is designed to a protruding structure, so that the other end of the first distributing point 6 is connected with metal back cover 5, and by holding wire, the first distributing point 6 is linked together with the signal pins on mainboard 3.Such as, the two section metal back cover of the first distributing point 6 respectively and between two metal clipss 7 respectively as the antenna of lower fed antenna structure, and can be operated within the scope of different frequency range.Because metal also can receive electromagnetic wave signal, so this characteristic of metal can be utilized after the other end of the first distributing point 6 is connected with metal back cover 5 using the part of metal back cover 5 as antenna, thus decrease cabling cost.The two ends of metal back cover 5 are connected with mainboard 3 by two metal clipss 7 respectively.Particularly, two metal clipss 7 are connected with the lower margin on mainboard 3 by holding wire, make two metal clipss 7 that the signal of reception is sent it back mainboard 3, form complete loop, thus form the radiant body of lower fed antenna structure.When utilizing metal back cover 5 as antenna, due to metal back cover 5 one-tenth tabular, so the antenna structure formed is loop aerial or planar inverted F-antenna (PlanarInvertedF-shapedAntenna; PIFA) structure, makes the cabling area of whole antenna structure increase, enhances the performance of antenna in mobile terminal.
The antenna structure of the feed up and down of the present embodiment, by introducing upper fed antenna structure 1 and lower fed antenna structure two fed antenna structure, greatly strengthen the performance of antenna.The first distributing point 6 in same fed antenna structure at present makes mainboard 3 be communicated with metal back cover 5, make metal back cover 5 as the antenna of lower fed antenna structure, and be operated in different band limits, increase the cabling area of antenna simultaneously, the working frequency range scope of antenna can be made larger.Adopt the technical scheme of the present embodiment, effectively can strengthen the performance of antenna.
Fig. 2 is another example structure schematic diagram of the antenna structure of upper and lower feed of the present utility model.As shown in Figure 2, the antenna structure of the feed up and down of the present embodiment is concrete on basis embodiment illustrated in fig. 1 adopts following upper fed antenna structure 1, and the upper fed antenna structure 1 of the present embodiment can comprise: the second distributing point 11, first presents place 12, first antenna 13 and the second antenna 14.One end of second distributing point 11 is connected with mainboard 3 respectively with the one end in the first feedback place 12.The other end of the first distributing point 11 is connected with the first antenna 13, and the other end in the first feedback place 12 is connected with the second antenna 14.Such as, first distributing point 11 is connected to by holding wire in the signal pins of mainboard 3, and the other end of the first distributing point 11 is connected with the first antenna 13, the first antenna 13 is made to be operated in a band limits, first feedback place 12 is connected to by holding wire on the lower margin of mainboard 3, and the other end in the first feedback place 12 is connected with the second antenna 14, the second antenna 14 is made to be operated in another band limits, go up the first antenna 13 in fed antenna structure 1 like this and the second antenna 14 can be operated in different frequency range scope, can the working frequency range of extended antenna, strengthen the service behaviour of antenna.Be arranged on the below of the face-piece 4 of mobile terminal touch screen due to first day line structure 1, thus the first antenna 13 and the second antenna 14 can not naked leakage in the viewing area of face-piece 4, the first antenna 13 and the second antenna 14 can adopt monopole antenna structure respectively here.
Further, mainboard 3 in the antenna structure of the feed up and down of the present embodiment is provided with the antenna platelet be connected with each antenna, first distributing point 6, second distributing point 11 and the first feedback place 12 are connected in antenna platelet in particular by holding wire, antenna platelet comprises each feedback point corresponding pin, tuned cell and matching unit, antenna platelet is connected with the antenna structure of upper and lower feed, realizes transmitting and the function of Received signal strength of antenna.Fig. 3 is the circuit theory diagrams of the antenna platelet in Fig. 2 in mainboard 3.As shown in Fig. 3 top, wherein E4 is the pin of the first distributing point 6 correspondence, and this pin is signal pins, and E1 is the pin of the second distributing point 11 correspondence, and this pin is also signal pins, and E5 is the pin of the first feedback place 12 correspondence, and this pin is lower margin.
Fig. 4 is the connection diagram of the first distributing point 6 and the antenna platelet in Fig. 3 in Fig. 2.As shown in Figure 4, when the first distributing point 6 contacts with the E4 pin in antenna platelet, two working frequency range can be divided into metal back cover 5.The resonance wavelength of each working frequency range is L1 and L2.E1 and E5 is respectively the pin in the second distributing point 11 and the first feedback place 12, and Fig. 5 is the connection diagram going up the antenna platelet in fed antenna structure 1 and Fig. 3 in Fig. 2.As shown in Figure 5, when the second distributing point 11 to contact with the E1 pin in antenna platelet and first present place 12 contact with the E5 pin in antenna platelet time, third antenna 13 and the 4th antenna 14 are divided into two working frequency range.The resonance wavelength of each working frequency range is L3 and L4.Wherein in the present embodiment, the frequency of the working frequency range of L1, L2, L3 and L4 to be in 1800-1900mhz, 2100-2300mhz, 800-900mhz and 2600-2700mhz tetra-sections of frequency ranges any one.Particularly, two or more frequency range any of L1, L2, L3 and L4 can be identical, also can four all not identical.L1, L2, L3 and L4 realize frequency division by the tuned cell in antenna platelet and matching unit, please refer to prior art in detail, do not repeat them here.
The antenna structure of the feed up and down of the present embodiment, by upper fed antenna structure 1 being set to a distributing point and a feedback place, being divided into different working frequency range by upper fed antenna structure 1, making the working frequency range variation of the antenna structure of whole upper and lower feed.Adopt the technical scheme of the present embodiment, enhance the performance of antenna in intelligent terminal.
Fig. 6 is an antenna structure embodiment schematic diagram again of the upper and lower feed of the utility model, as shown in Figure 6, the antenna structure of the feed up and down of the present embodiment is concrete on basis embodiment illustrated in fig. 1 adopts following upper fed antenna structure 1, and with the difference of the upper fed antenna structure 1 shown in Fig. 2, the upper fed antenna structure 1 of the present embodiment is that the upper fed antenna structure 1 of this enforcement comprises: the 3rd distributing point 15 and third antenna 16.One end of 3rd distributing point 15 is connected with mainboard 3; The other end of the 3rd distributing point 15 is connected with third antenna 16, simultaneously the two ends of third antenna 16 and the connection of mainboard 3, makes whole antenna form loop, the radiant body of fed antenna structure in formation.Particularly, one end of the 3rd distributing point 15 is connected by the signal pins of holding wire with mainboard 3, and the two ends of third antenna 16 can be connected with the lower margin of mainboard 3 respectively by metal clips or holding wire.Such as the 3rd distributing point 15 can be arranged on the middle part of third antenna 16, third antenna 16 be divided into the antenna of two sections of different working frequency range.The resonance wavelength of each working frequency range is respectively L5 and L6.The 3rd distributing point 15 is only had in the upper fed antenna structure 1 of the present embodiment, its antenna structure can be total with lower fed antenna structure antenna structure the same, but first day line structure 1 is arranged on the below of the face-piece 4 of mobile terminal touch screen, third antenna 16 can not naked leakage in the viewing area of face-piece 4, third antenna 16 adopt the easy naked leakage of PIFA shape antenna structure in the viewing area of face-piece 4, so can adopt Loop shape or monopole antenna structure.Optimum is monopole antenna structure, can reduce cabling cost like this.
In the antenna structure of the feed up and down of the present embodiment, fed antenna structure 1 realizes the circuit theory diagrams of frequency division, please refer to prior art, does not repeat them here.
In like manner, in the antenna structure of the feed up and down of the present embodiment, the frequency of the working frequency range of L5 and L6 also can be in 1800-1900mhz, 2100-2300mhz, 800-900mhz and 2600-2700mhz tetra-sections of frequency ranges any one.Two or more frequency range any in L1, L2, L5 and L6 in the present embodiment can be identical, also can four all not identical.
The antenna structure of the feed up and down of the present embodiment, by upper fed antenna structure 1 is set to a distributing point, is divided into different working frequency range by upper fed antenna structure 1, makes the working frequency range variation of the antenna structure of whole upper and lower feed.Adopt the technical scheme of the present embodiment, enhance the performance of antenna in intelligent terminal.
Fig. 7 is the another embodiment schematic diagram of antenna structure of the upper and lower feed of the utility model, as shown in Figure 7, the antenna structure of the feed up and down of the present embodiment is concrete on basis embodiment illustrated in fig. 1 adopts following upper fed antenna structure 1, the upper fed antenna structure 1 of the present embodiment is with the difference of the upper fed antenna structure 1 shown in Fig. 1 and Fig. 2: the upper fed antenna structure 1 of this enforcement comprises: the 4th distributing point 17, second feedback place 18, parasitic feedback place 19 and the 4th antenna 20, 5th antenna 21 and the 6th antenna 22, wherein parasitic feedback place 19 is the parasitic place in the second feedback place 18.
As shown in Figure 7, in the antenna structure of the feed up and down of this enforcement, one end of the 4th distributing point 17 in upper fed antenna structure 1 is connected with mainboard 3; The other end of the 4th distributing point 17 is connected with the 4th antenna 20, the one end in the second feedback place 18 and the one end in parasitic feedback place 19 respectively with the connection of mainboard 3; The other end in the second feedback place 18 is connected with the 5th antenna 21 and the 6th antenna 22 respectively with the other end in parasitic feedback place 19.Particularly, each feedback point is connected with each self-corresponding signal pins or lower margin by holding wire, and the 4th antenna 20, the 5th antenna 21 are connected with mainboard 3 with the feedback point of the 6th antenna 22 respectively by correspondence.The working frequency range that it should be noted that the 4th antenna 20 in this connected mode, the 5th antenna 21 and the 6th antenna 22 is same frequency range, and its resonance wavelength is L7.In the upper fed antenna structure 1 of the present embodiment, the 4th antenna, the 5th antenna and the 6th antenna can adopt inverted-F antenna structure.
In like manner, in the antenna structure of the feed up and down of the present embodiment, the frequency of the working frequency range of L7 also can be in 1800-1900mhz, 2100-2300mhz, 800-900mhz and 2600-2700mhz tetra-sections of frequency ranges any one.Two or more frequency range any in L1, L2 and L7 in the present embodiment can be identical, also can three all not identical.
In the antenna structure of the feed up and down of the present embodiment, fed antenna structure 1 realizes the circuit theory diagrams of frequency division, please refer to prior art, does not repeat them here.
The antenna structure of the feed up and down of the present embodiment, by upper fed antenna structure 1 being set to a distributing point, a feedback place and a parasitic feedback place, what make fed antenna structure 1 and lower fed antenna structure is operated in different frequency ranges, makes the working frequency range variation of the antenna structure of whole upper and lower feed.Adopt the technical scheme of the present embodiment, enhance the performance of antenna in intelligent terminal.
It should be noted that, each distributing point in the embodiment of the present invention and feedback place specifically can adopt metal cartridge, metal clips or other metal devices to realize.
The present invention also provides a kind of mobile terminal, and mobile terminal is provided with metal back cover, and is provided with the antenna structure of as above arbitrary feed up and down in mobile terminal, with reference to the relevant record of above-described embodiment, can not repeat them here in detail.
Further, the mobile terminal of the present embodiment takes the antenna structure of feed up and down as shown in Figure 2 to carry out the result of antenna adjustment and active test as shown in Fig. 8 and table 1.Fig. 8 is the debugging figure of the antenna structure of the feed up and down shown in Fig. 2; As shown in Figure 8, abscissa represents the frequency of antenna, ordinate represents the return loss of antenna, the whole piece resonance band of antenna includes 800-900mhz, 1800-1900mhz, 2100-2300mhz and 2600-2700mhz tetra-resonance band, return loss corresponding to each resonance band, at-15-0dB, meets global system for mobile communications (GlobalSystemForMobileCommunication; GSM), Wideband Code Division Multiple Access (WCDMA) (WidebandCodeDivisionMultipleAccess; And Frequency Division Duplexing (FDD) (FrequencyDivisionDual WCDMA); FDD) Three models.
The antenna structure that table 1 is the feed up and down shown in Fig. 2 forward radiation power in free space and received power table.As shown in table 1, in table 1 under the various modes of WCDMA, GSM mode and TLE various modes isotype to the forward direction total radiant power (TotalRadiatedPower of the antenna structure of the feed up and down in the mobile terminal of the present embodiment; And receive total sensitivity (TotalIstropicSensitivity TPR); TIS) test, test result meets radiant power and the receiving sensitivity requirement of call needs.Therefore the antenna structure of the feed up and down of the embodiment of the present invention is adopted effectively can to strengthen the performance of antenna.
Table 1
Last it is noted that above each embodiment is only in order to illustrate the technical solution of the utility model, be not intended to limit; Although be described in detail the utility model with reference to foregoing embodiments, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein some or all of technical characteristic; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the scope of each embodiment technical scheme of the utility model.
Claims (10)
1. about, an antenna structure for feed, is characterized in that, the antenna structure of described upper and lower feed comprises: the upper fed antenna structure be arranged in parallel and lower fed antenna structure, and described upper fed antenna structure arranges in the terminal between mainboard and face-piece; Described lower fed antenna structure is arranged between the metal back cover of described mainboard and described mobile terminal; Described upper fed antenna structure is connected with described mainboard respectively with described lower fed antenna structure; Described lower fed antenna structure comprises the first distributing point and two metal clipss, and described first distributing point one end is connected with described mainboard, and the other end of described first distributing point is connected with described metal back cover; The two ends of described metal back cover are connected with described mainboard by described two metal clipss respectively.
2. the antenna structure of upper and lower feed according to claim 1, it is characterized in that, the two section described metal back cover of described first distributing point respectively and between described two metal clipss, respectively as the antenna of described lower fed antenna structure, and are operated within the scope of different frequency range.
3. the antenna structure of upper and lower feed according to claim 1, is characterized in that, the antenna of described lower fed antenna structure adopts loop aerial or planar inverted F-antenna structure.
4. the antenna structure of upper and lower feed according to claim 1, is characterized in that, described upper fed antenna structure comprises: the second distributing point, the first feedback place, the first antenna and the second antenna; One end of described second distributing point is connected with described mainboard respectively with the one end in the first feedback place; The other end of described first distributing point is connected with described first antenna, and the other end in described first feedback place is connected with described second antenna.
5. the antenna structure of upper and lower feed according to claim 4, is characterized in that, described first antenna and described second Antenna Operation are within the scope of different frequency range.
6. the antenna structure of the feed up and down according to claim 4 or 5, is characterized in that, described first antenna and described second antenna adopt monopole antenna structure respectively.
7. the antenna structure of upper and lower feed according to claim 1, is characterized in that, described upper fed antenna structure comprises: the 3rd distributing point and third antenna; One end of described 3rd distributing point is connected with described mainboard; The other end of described 3rd distributing point is connected with described third antenna; The two ends of described third antenna are connected with described mainboard respectively.
8. the antenna structure of upper and lower feed according to claim 1, it is characterized in that, described upper fed antenna structure comprises: the 4th distributing point, the second feedback place, parasitic feedback place and the 4th antenna, the 5th antenna and the 6th antenna, and described parasitism feedback place is the parasitic place in described second feedback place; One end of described 4th distributing point is connected with described mainboard; The other end of described 4th distributing point is connected with the 4th antenna, and the one end in described second feedback place is connected with described mainboard respectively with the one end in described parasitism feedback place; The other end in described second feedback place is connected with described 5th antenna and described 6th antenna respectively with the other end in described parasitism feedback place.
9. the antenna structure of upper and lower feed according to claim 8, is characterized in that, described 4th antenna, described 5th antenna and described 6th antenna adopt inverted-F antenna structure.
10. a mobile terminal, is characterized in that, described mobile terminal is provided with metal back cover, and is provided with the antenna structure of the arbitrary described feed up and down of as above claim 1-9 in described mobile terminal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520430709.5U CN204809376U (en) | 2015-06-19 | 2015-06-19 | Antenna structure and mobile terminal of upper and lower feed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520430709.5U CN204809376U (en) | 2015-06-19 | 2015-06-19 | Antenna structure and mobile terminal of upper and lower feed |
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| Publication Number | Publication Date |
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| CN204809376U true CN204809376U (en) | 2015-11-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201520430709.5U Expired - Fee Related CN204809376U (en) | 2015-06-19 | 2015-06-19 | Antenna structure and mobile terminal of upper and lower feed |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10522915B2 (en) | 2017-02-01 | 2019-12-31 | Shure Acquisition Holdings, Inc. | Multi-band slotted planar antenna |
| US10644383B2 (en) | 2016-09-23 | 2020-05-05 | Apple Inc. | Wristwatch antennas |
-
2015
- 2015-06-19 CN CN201520430709.5U patent/CN204809376U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10644383B2 (en) | 2016-09-23 | 2020-05-05 | Apple Inc. | Wristwatch antennas |
| US10522915B2 (en) | 2017-02-01 | 2019-12-31 | Shure Acquisition Holdings, Inc. | Multi-band slotted planar antenna |
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