CN102725907B - CMMB antenna, CMMB earphone antenna and mobile terminal - Google Patents
CMMB antenna, CMMB earphone antenna and mobile terminal Download PDFInfo
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- CN102725907B CN102725907B CN201180002562.4A CN201180002562A CN102725907B CN 102725907 B CN102725907 B CN 102725907B CN 201180002562 A CN201180002562 A CN 201180002562A CN 102725907 B CN102725907 B CN 102725907B
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- antenna
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- low frequency
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/44—Details of, or arrangements associated with, antennas using equipment having another main function to serve additionally as an antenna, e.g. means for giving an antenna an aesthetic aspect
- H01Q1/46—Electric supply lines or communication lines
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/27—Adaptation for use in or on movable bodies
- H01Q1/273—Adaptation for carrying or wearing by persons or animals
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- Details Of Aerials (AREA)
- Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)
Abstract
The present invention provides a CMMB antenna, a CMMB earphone antenna, and a mobile terminal, which belong to the field of antennas. The CMMB antenna comprises a plug to be connected to a first earphone socket of the mobile terminal, a wire, and a second earphone socket. The wire comprises an earphone wire, a ground wire, and an antenna body. The earphone wire and the ground wire have one end connected to the plug, and the other end connected to the second earphone socket. The structure of the second earphone socket is the same as the structure of the first earphone socket. A high-rejection low-pass component is connected to the ground wire in series. One end of the antenna body is connected between the high-rejection low-pass component and the plug. The other end of the antenna body is suspended, and the length of the antenna body is between 9 cm and 16 cm.; In the embodiments of the present invention, a high-rejection low-pass component is connected to the ground wire, the antenna body is connected between the high-rejection low-pass component and the plug, and the length of the antenna body is set between 9 cm and 16 cm, so that the CMMB signal has the desirable resonance, thus achieving the good reception performance.
Description
Technical field
The present invention relates to field of antenna, particularly a kind of CMMB (China Mobile Multimedia Broadcasting, China Mobile's DMB) antenna and CMMB earphone antenna and mobile terminal.
Background technology
In the information age that multimedia is growing, CMMB mobile TV progressively becomes the standard configurations of mobile terminal.Because user watches CMMB TV programme in public, in order to avoid affecting other people when watching CMMB TV programme, they use earphone to play sound usually, so need to carry with earphone.Meanwhile, to the CMMB TV programme of clear and smooth can be watched in the environment of static and high-speed mobile, just need to use high performance CMMB antenna, and in order to reduce the volume of mobile terminal, existing CMMB antenna is normally external.Like this, user goes out at every turn, except needs carry earphone, also needs to carry an independent antenna equipment, easily loses, and also more burdensome when using.In this case, occurred a kind of earphone that can realize antenna function, be convenient to user and carry and use, greatly improve Consumer's Experience, this earphone is also referred to as earphone antenna.
Existing earphone antenna generally includes two earphone cords, a microphone lines and a ground wire, wherein, ground wire is both as the return wire of earphone cord and microphone lines, simultaneously also as antenna, and the ground line length of existing earphone is generally about 1m, and CMMB signal cannot obtain good resonance in this earphone antenna, so existing earphone antenna receptivity is very poor, do not reach the user's request of viewing CMMB TV programme.
Summary of the invention
In order to overcome in prior art earphone antenna to the defect of the receptivity difference of CMMB signal, embodiments provide a kind of CMMB antenna and CMMB earphone antenna and mobile terminal.Described technical scheme is as follows:
On the one hand, embodiments provide a kind of China Mobile DMB CMMB antenna, described antenna comprises the plug for being connected with the first receiver J-Horner of mobile terminal, electric wire and the second receiver J-Horner, described electric wire comprises earphone cord, ground wire and antenna body, described earphone cord is connected with described plug with one end of ground wire, described earphone cord is connected with described second receiver J-Horner with the other end of ground wire, the structure of described second receiver J-Horner is identical with the structure of described first receiver J-Horner, described ground wire is serially connected with logical low frequency resistance high-frequency element, one end of described antenna body is connected between described logical low frequency resistance high frequency device and described plug, the other end of described antenna body is unsettled, one end of described logical low frequency resistance high-frequency element is directly connected with described plug, the other end of described logical low frequency resistance high-frequency element is connected with one end of described ground wire, and the length of described antenna body is 9 ~ 16cm.
On the other hand, the embodiment of the present invention additionally provides a kind of mobile terminal, described mobile terminal comprises a kind of China Mobile DMB CMMB antenna, described antenna comprises the plug for being connected with the first receiver J-Horner of mobile terminal, electric wire and the second receiver J-Horner, described electric wire comprises earphone cord, ground wire and antenna body, described earphone cord is connected with described plug with one end of ground wire, described earphone cord is connected with described second receiver J-Horner with the other end of ground wire, the structure of described second receiver J-Horner is identical with the structure of described first receiver J-Horner, described ground wire is serially connected with logical low frequency resistance high-frequency element, one end of described antenna body is connected between described logical low frequency resistance high frequency device and described plug, the other end of described antenna body is unsettled, one end of described logical low frequency resistance high-frequency element is directly connected with described plug, the other end of described logical low frequency resistance high-frequency element is connected with one end of described ground wire, and the length of described antenna body is 9 ~ 16cm.
On the other hand, the embodiment of the present invention additionally provides a kind of China Mobile DMB CMMB earphone antenna, described earphone antenna comprises the plug for being connected with the first receiver J-Horner of mobile terminal, electric wire and earphone, described electric wire comprises earphone cord, ground wire and antenna body, described earphone cord is connected with described plug with one end of ground wire, described earphone cord is connected with described earphone with the other end of ground wire, described ground wire is serially connected with logical low frequency resistance high-frequency element, one end of described antenna body is connected between described logical low frequency resistance high frequency device and described plug, the other end of described antenna body is unsettled, one end of described logical low frequency resistance high-frequency element is directly connected with described plug, the other end of described logical low frequency resistance high-frequency element is connected with one end of described ground wire, and the length of described antenna body is 9 ~ 16cm.
On the other hand, the embodiment of the present invention additionally provides a kind of mobile terminal, described mobile terminal comprises a kind of China Mobile DMB CMMB earphone antenna, described earphone antenna comprises the plug for being connected with the first receiver J-Horner of mobile terminal, electric wire and earphone, described electric wire comprises earphone cord, ground wire and antenna body, described earphone cord is connected with described plug with one end of ground wire, described earphone cord is connected with described earphone with the other end of ground wire, described ground wire is serially connected with logical low frequency resistance high-frequency element, one end of described antenna body is connected between described logical low frequency resistance high frequency device and described plug, one end of described logical low frequency resistance high-frequency element is directly connected with described plug, the other end of described logical low frequency resistance high-frequency element is connected with one end of described ground wire, the other end of described antenna body is unsettled, and the length of described antenna body is 9 ~ 16cm.
The beneficial effect that the technical scheme that the embodiment of the present invention provides is brought is: by arranging logical low frequency resistance high-frequency element on ground wire, one end of described antenna body is connected between described logical low frequency resistance high frequency device and described plug, by unsettled for its other end, and the length of described antenna body is set to 9 ~ 16cm, thus CMMB signal resonance preferably can be made, and then obtain good receptivity, and for earphone and microphone path, signal is all in audiorange, frequency is lower than 20KHz, and signal can unblockedly by this logical low frequency resistance high-frequency element.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the embodiment of the present invention, below the accompanying drawing used required in describing embodiment is briefly described, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, 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 structural representation of the CMMB antenna that the embodiment of the present invention 1 provides.
Fig. 2 is the structural representation of the CMMB earphone antenna that the embodiment of the present invention 2 provides.
Embodiment
For making the object, technical solutions and advantages of the present invention clearly, below in conjunction with accompanying drawing, embodiment of the present invention is described further in detail.
Embodiment 1
As shown in Figure 1, embodiments provide a kind of CMMB antenna, this CMMB antenna comprises plug 11, electric wire and the second receiver J-Horner 12 for being connected with the first receiver J-Horner of mobile terminal.Second receiver J-Horner 12 is for supplying existing earphone grafting.This electric wire comprises earphone cord L1 and R1, microphone lines MIC1, ground wire G1 and antenna body ANT1.Earphone cord L1 with R1, microphone lines MIC1 are connected with plug 11 with one end of ground wire G1, and earphone cord L1 with R1, microphone lines MIC1 are connected with the second receiver J-Horner 12 with the other end of ground wire G1.Ground wire G1 is serially connected with logical low frequency resistance high-frequency element Z1, one end of antenna body ANT1 is connected between this logical low frequency resistance high-frequency element Z1 and plug 11, and the other end of antenna body ANT1 is unsettled, and the length of antenna body ANT1 is 9 ~ 16cm.
Further, the described structure of the second receiver J-Horner 12 can be identical with the structure of the first receiver J-Horner of mobile terminal, also can not be identical.
Preferably, the length of antenna body ANT1 is 12 ~ 14cm.
Further, this logical low frequency resistance high-frequency element Z1 can be magnetic bead or inductance.
Further, the frequency of magnetic bead is 470MHz ~ 754MHz, and impedance is greater than 600 Ω; The inductance value of inductance is greater than 470nH.
Preferably, one end of this logical low frequency resistance high-frequency element Z1 is directly connected with plug 11, and the other end is connected with one end of ground wire G1.Now, one end of antenna body ANT1 is directly connected with plug 11 one end with ground wire G1, avoids appearance three port merit point phenomenon to reduce received signal strength, thus can receive CMMB signal better.
More preferably, earphone cord L1 and R1, microphone lines MIC1 also can be connected in series logical low frequency resistance high-frequency element (not shown), to reduce the coupling of antenna body ANT1 and earphone cord L1, R1, microphone lines MIC1, signal is avoided to bypass from earphone cord L1, R1, microphone lines MIC1 due to coupling capacitance between line.
Preferably, electric wire is provided with the receiver (not shown) for accommodating logical low frequency resistance high-frequency element Z1.The etui that this receiver can control with existing volume is similar, elegant in appearance.
It should be noted that, the electric wire in the present embodiment also can not comprise microphone lines MIC1, in this case, when earphone is connected with mobile terminal by this CMMB antenna, can only listens to, and can not converse.
Further, the embodiment of the present invention additionally provides a kind of mobile terminal, and this mobile terminal includes above-mentioned CMMB antenna.
In embodiments of the present invention, by arranging logical low frequency resistance high-frequency element on ground wire, antenna body being connected between logical low frequency resistance high-frequency element and plug, and the length of antenna body is set to 9 ~ 16cm, thus CMMB signal resonance preferably can be made, and then obtain good receptivity.During use, plug is inserted the first receiver J-Horner of mobile terminal, then existing earphone is inserted the second receiver J-Horner, for earphone and microphone path, signal can unblockedly by this logical low frequency resistance high-frequency element, be not affected, so use the embodiment of the present invention not need to change existing Headphone structure, very convenient.And not used time, can directly CMMB antenna of the present invention be inserted on mobile terminal or existing earphone, be convenient for carrying.
Embodiment 2
As shown in Figure 2, embodiments provide a kind of CMMB earphone antenna, this earphone antenna comprises plug 21, electric wire, earphone 22 and microphone 23 for being connected with the first receiver J-Horner of mobile terminal.This electric wire comprises earphone cord L2 and R2, microphone lines MIC2, ground wire G2 and antenna body ANT2.One end of earphone cord L2 with R2 is connected with plug 21, the other end of one end of earphone cord L2 and R2 is connected with earphone 22, one end of microphone lines MIC2 is connected with plug 21, the other end of microphone lines MIC2 is connected with microphone 23, and one end of ground wire G2 is connected with plug 21, the other end of ground wire G2 is connected with earphone 22 and microphone 23 respectively.Ground wire G2 is serially connected with logical low frequency resistance high-frequency element Z2, antenna body ANT2 is connected between this logical low frequency resistance high-frequency element Z2 and plug 21, and the other end of antenna body ANT2 is unsettled, and the length of antenna body ANT2 is 9 ~ 16cm.
Preferably, the length of this antenna body ANT2 is 12 ~ 14cm.
Further, this logical low frequency resistance high-frequency element Z2 can be magnetic bead or inductance.
Further, the frequency of magnetic bead is 470MHz ~ 754MHz, and impedance is greater than 600 Ω; The inductance value of inductance is greater than 470nH.
Preferably, one end of this logical low frequency resistance high-frequency element Z2 is directly connected with plug 21, and the other end is connected with one end of ground wire G2.Now, one end of antenna body ANT2 is directly connected with plug 21 one end with ground wire G2, avoids appearance three port merit point phenomenon to reduce received signal strength, thus can receive CMMB signal better.
More preferably, earphone cord L2 and R2, microphone lines MIC2 also can be connected in series logical low frequency resistance high-frequency element (not shown), to reduce the coupling of antenna body ANT1 and earphone cord L2, R2, microphone lines MIC2, signal is avoided to bypass from earphone cord L2, R2, microphone lines MIC2 due to coupling capacitance between line.
Preferably, electric wire is provided with the receiver (not shown) for accommodating logical low frequency resistance high-frequency element Z2.This receiver can be similar to the etui that existing volume controls, elegant in appearance.
It should be noted that, the CMMB earphone antenna in the present embodiment also can not comprise microphone 23, and correspondingly, its electric wire does not also comprise microphone lines MIC2, and in this case, this CMMB earphone antenna does not possess call function.
Further, the embodiment of the present invention additionally provides a kind of mobile terminal, and this mobile terminal includes above-mentioned CMMB earphone antenna.
In embodiments of the present invention, by arranging logical low frequency resistance high-frequency element on ground wire, antenna body being connected between logical low frequency resistance high-frequency element and plug, and the length of antenna body is set to 9 ~ 16cm, thus CMMB signal resonance preferably can be made, and then obtain good receptivity.And for earphone and microphone path, signal unblockedly by this logical low frequency resistance high-frequency element, can not be affected.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (16)
1. China Mobile's DMB CMMB antenna, it is characterized in that, described antenna comprises: for the plug be connected with the first receiver J-Horner of mobile terminal, electric wire and the second receiver J-Horner, described electric wire comprises earphone cord, ground wire and antenna body, described earphone cord is connected with described plug with one end of ground wire, described earphone cord is connected with described second receiver J-Horner with the other end of ground wire, described ground wire is serially connected with logical low frequency resistance high-frequency element, one end of described antenna body is connected between described logical low frequency resistance high frequency device and described plug, the other end of described antenna body is unsettled, one end of described logical low frequency resistance high-frequency element is directly connected with described plug, the other end of described logical low frequency resistance high-frequency element is connected with one end of described ground wire, and the length of described antenna body is 9 ~ 16cm.
2. CMMB antenna according to claim 1, is characterized in that, the length of described antenna body is 12 ~ 14cm.
3. CMMB antenna according to claim 1, is characterized in that, described logical low frequency resistance high-frequency element is magnetic bead, or inductance.
4. CMMB antenna according to claim 3, is characterized in that, the frequency of described magnetic bead is 470MHz ~ 754MHz, and impedance is greater than 600 Ω; The inductance value of described inductance is greater than 470nH.
5. the CMMB antenna according to any one of Claims 1-4, is characterized in that, described electric wire also comprises microphone lines, and one end of described microphone lines is connected with described plug, and the other end of described microphone lines is connected with described second receiver J-Horner.
6. CMMB antenna according to claim 5, is characterized in that, described earphone cord, microphone lines is serially connected with respectively logical low frequency resistance high-frequency element.
7. the CMMB antenna according to any one of Claims 1-4, is characterized in that, described electric wire is provided with the receiver for accommodating described logical low frequency resistance high-frequency element.
8. a China Mobile DMB CMMB earphone antenna, it is characterized in that, described earphone antenna comprises the plug for being connected with the first receiver J-Horner of mobile terminal, electric wire and earphone, described electric wire comprises earphone cord, ground wire and antenna body, described earphone cord is connected with described plug with one end of ground wire, described earphone cord is connected with described earphone with the other end of ground wire, described ground wire is serially connected with logical low frequency resistance high-frequency element, one end of described antenna body is connected between described logical low frequency resistance high frequency device and described plug, the other end of described antenna body is unsettled, one end of described logical low frequency resistance high-frequency element is directly connected with described plug, the other end of described logical low frequency resistance high-frequency element is connected with one end of described ground wire, and the length of described antenna body is 9 ~ 16cm.
9. CMMB earphone antenna according to claim 8, is characterized in that, the length of described antenna body is 12 ~ 14cm.
10. CMMB earphone antenna according to claim 8, is characterized in that, described logical low frequency resistance high-frequency element comprises magnetic bead, or inductance.
11. CMMB earphone antennas according to claim 10, is characterized in that, the frequency of described magnetic bead is 470MHz ~ 754MHz, and impedance is greater than 600 Ω; The inductance value of described inductance is greater than 470nH.
CMMB earphone antenna described in 12. any one of according to Claim 8 to 11, it is characterized in that, described earphone antenna also comprises microphone, described electric wire also comprises microphone lines, one end of described microphone lines is connected with described plug, the described microphone lines other end is connected with described microphone, and the other end of described ground wire is also connected with described microphone.
13. CMMB earphone antennas according to claim 12, is characterized in that, described earphone cord, microphone lines are serially connected with respectively logical low frequency resistance high-frequency element.
CMMB earphone antenna described in 14. any one of according to Claim 8 to 11, is characterized in that, described electric wire is provided with the receiver for accommodating described logical low frequency resistance high-frequency element.
15. 1 kinds of mobile terminals, is characterized in that, comprise the China Mobile's DMB CMMB antenna as described in any one of claim 1 to 7.
16. 1 kinds of mobile terminals, is characterized in that, comprise the China Mobile DMB CMMB earphone antenna as described in any one of claim 8 to 14.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/CN2011/083776 WO2012097652A2 (en) | 2011-12-09 | 2011-12-09 | Cmmb antenna, cmmb earphone antenna and mobile terminal |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102725907A CN102725907A (en) | 2012-10-10 |
| CN102725907B true CN102725907B (en) | 2015-03-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201180002562.4A Active CN102725907B (en) | 2011-12-09 | 2011-12-09 | CMMB antenna, CMMB earphone antenna and mobile terminal |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN102725907B (en) |
| WO (1) | WO2012097652A2 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202759014U (en) * | 2012-08-09 | 2013-02-27 | 中兴通讯股份有限公司 | CMMB antenna device and terminal sharing terminal headset FM function |
| CN113810816B (en) * | 2021-09-17 | 2024-01-23 | 维沃移动通信有限公司 | Earphone, frequency modulation signal receiving system and method |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100583319B1 (en) * | 2004-02-20 | 2006-05-25 | 주식회사 엘지텔레콤 | Mobile terminal equipment |
| JP4023500B2 (en) * | 2004-08-03 | 2007-12-19 | ソニー株式会社 | Earphone antenna |
| JP3851339B1 (en) * | 2005-12-19 | 2006-11-29 | 株式会社エーディープラン | Antenna with earphone and earphone |
| US8094859B2 (en) * | 2006-12-14 | 2012-01-10 | Sharp Kabushiki Kaisha | Dipole antenna device, earphone antenna device, and wireless communication terminal device connected to the device |
| CN101312352B (en) * | 2007-05-25 | 2012-12-26 | 深圳市中兴移动通信有限公司 | Common control circuit for audio signal wire and frequency modulation antenna |
| CN101316111B (en) * | 2008-07-23 | 2012-10-24 | 嘉兴闻泰通讯科技有限公司 | Mobile terminal headphone |
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2011
- 2011-12-09 CN CN201180002562.4A patent/CN102725907B/en active Active
- 2011-12-09 WO PCT/CN2011/083776 patent/WO2012097652A2/en active Application Filing
Also Published As
| Publication number | Publication date |
|---|---|
| CN102725907A (en) | 2012-10-10 |
| WO2012097652A2 (en) | 2012-07-26 |
| WO2012097652A3 (en) | 2012-11-01 |
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Effective date of registration: 20171031 Address after: Metro Songshan Lake high tech Industrial Development Zone, Guangdong Province, Dongguan City Road 523808 No. 2 South Factory (1) project B2 -5 production workshop Patentee after: HUAWEI terminal (Dongguan) Co., Ltd. Address before: 518129 Longgang District, Guangdong, Bantian HUAWEI base B District, building 2, building No. Patentee before: Huawei Device Co., Ltd. |
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Address after: 523808 Southern Factory Building (Phase I) Project B2 Production Plant-5, New Town Avenue, Songshan Lake High-tech Industrial Development Zone, Dongguan City, Guangdong Province Patentee after: Huawei Device Co., Ltd. Address before: 523808 Southern Factory Building (Phase I) Project B2 Production Plant-5, New Town Avenue, Songshan Lake High-tech Industrial Development Zone, Dongguan City, Guangdong Province Patentee before: HUAWEI terminal (Dongguan) Co., Ltd. |
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