CN202564552U - China mobile multimedia broadcasting antenna and cellphone - Google Patents
China mobile multimedia broadcasting antenna and cellphone Download PDFInfo
- Publication number
- CN202564552U CN202564552U CN2012201534322U CN201220153432U CN202564552U CN 202564552 U CN202564552 U CN 202564552U CN 2012201534322 U CN2012201534322 U CN 2012201534322U CN 201220153432 U CN201220153432 U CN 201220153432U CN 202564552 U CN202564552 U CN 202564552U
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- antenna
- multimedia broadcasting
- mobile multimedia
- china mobile
- insulated substrate
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Abstract
The utility model discloses a China mobile multimedia broadcasting antenna, comprising an insulating substrate which has a front side and a back side. The China mobile multimedia broadcasting antenna also comprises a first antenna part and a second antenna part, which are arranged on the front side and the back side of the insulating substrate, respectively. The first antenna part is electrically connected with the second antenna part. In the utility model, the China mobile multimedia broadcasting antenna is configured in a two-side routing manner and is arranged on the surface of the insulating substrate, reducing the area occupied by the China mobile multimedia broadcasting antenna. The utility model also provides a cellphone comprising the China mobile multimedia broadcasting antenna. The China mobile multimedia broadcasting antenna can be divided into two sections and therefore can be placed inside the cellphone, avoiding the defect that a large continuous space is required in the integral forming process and achieving the function of making fair use of the small space inside the cellphone.
Description
Technical field
The utility model relates to field of antenna, particularly a kind of China Mobile multimedia broadcasting antenna and the mobile phone that comprises this China Mobile multimedia broadcasting antenna.
Background technology
China Mobile multimedia broadcasting (CMMB; China Mobile Multimedia Broadcasting) is the system of first cover of domestic independent research towards multiple portable terminals such as mobile phone, PDA (Personal Digital Assistant), MP3 (Media Player 3), MP4 (Media Player 4), digital camera and notebook computers; Utilize the signal of S-band and U wave band to realize that " world " one covers, whole nation roaming, and support 25 cover TVs and 30 cover broadcast programs.S-band is meant the electromagnetic wave frequency range of frequency range at 1.55-3.4GHz, and the U wave band is meant the electromagnetic wave frequency range of frequency range at 470-798MHz.The satellite-signal of CMMB uses S-band to cover, and the urban ground signal uses the U wave band to cover.
According to antenna theory, the length of antenna at least need be for receiving 1/4th of wavelength, so that realize optimum resonance.Therefore when the reception vibration frequency was the U wave band electromagnetic wave of 470-798MHz (wavelength is 37.6-63.8cm), the length of antenna need reach 94-160mm.In the actual production process; It is practicable that notebook computer adopts about 16 centimetres telescopic antenna; But for the mobile phone that is gripped in the palm; The design of 16 centimetres China Mobile multimedia broadcasting antenna (China Mobile Multimedia BroadcastingAntenna, China Mobile multimedia broadcasting antenna) is obviously infeasible.
Raising gradually along with cell-phone function; In the existing mobile phone except comprising embedded in mobile phone main antenna (being categorized as PIFA antenna, IFA antenna and Monopole antenna); Generally also comprise GPS (Global Positioning System) antenna, FM (FM, Frequency Modulation) antenna and WiFi (Wireless Fidelity) antenna.Therefore be necessary the China Mobile multimedia broadcasting antenna volume is dwindled, also save more space for the antenna of other kind so that be built in the inside of mobile phone.
Therefore, study and develop a kind of length short, take up room little but do not influence the China Mobile multimedia broadcasting antenna of receptivity and comprise the mobile phone of this China Mobile multimedia broadcasting antenna particularly necessary.
The utility model content
The technical problem that the utility model will solve is in order to overcome the defective that China Mobile multimedia broadcasting antenna volume of the prior art is big, take more space; A kind of China Mobile multimedia broadcasting antenna is provided; This China Mobile multimedia broadcasting antenna adopts the mode of double-sided wiring, and it is less therefore to take up room.
The utility model solves above-mentioned technical problem through following technical proposals:
A kind of China Mobile multimedia broadcasting antenna; It comprises an insulated substrate; This insulated substrate comprises a positive and back side, and its characteristics are that this China Mobile multimedia broadcasting antenna also comprises one first antenna part, one second antenna part; This first antenna part and this second antenna part are arranged at the front and back of this insulated substrate respectively, and this first antenna part is electrically connected with this second antenna part.
Preferable; Be penetrated with a lead on this insulated substrate; Also be provided with an antenna feed point on this insulated substrate; The face bonding of this insulated substrate is connected to first pad that is electrically connected with this lead, and the back side of this insulated substrate is welded with second pad that is electrically connected with this lead, and this China Mobile multimedia broadcasting antenna also comprises three metal clipss; Those shell fragments are respectively first shell fragment, second shell fragment and the 3rd shell fragment; One end of this first antenna part is electrically connected with this first pad through this first shell fragment, and this second pad is electrically connected with an end of this second antenna part through this second shell fragment, and the other end of this second antenna part is connected on this antenna feed point through the 3rd shell fragment.Through using pad, improved this lead and contacted electrical property with this first antenna part or this second antenna part.
Preferable; Be penetrated with a lead on this insulated substrate; Also be provided with an antenna feed point on this insulated substrate, the face bonding of this insulated substrate is connected to first pad that is electrically connected with this lead, and the back side of this insulated substrate is welded with second pad that is electrically connected with this lead; This China Mobile multimedia broadcasting antenna also comprises two metal clipss; Those shell fragments are respectively first shell fragment, second shell fragment, and an end of this first antenna part is electrically connected with this first pad through this first shell fragment, and this second pad is electrically connected with this antenna feed point with an end of this second antenna part through this second shell fragment.
Preferable, be penetrated with a cylindrical hole on this insulated substrate, this lead is one to be printed in the hollow cylindrical lead on this cylindrical hole.
Preferable, the material of this lead and those shell fragments is copper or tin, the material of those pads is copper, tin or silver.Because the conductivity of silver is better, so the material of pad selecting gold or when silver-colored, can improve the FM antenna and name a person for a particular job through feedback and receive the efficient of the inner antenna-matching circuit of signal feed to mobile phone, so sensitivity is higher.
Preferable, this first antenna part is the FPC antenna with this second antenna part.Because the FPC antenna has stronger resistance to wear and higher pliability, the China Mobile multimedia broadcasting antenna life-span of therefore selecting existing FPC antenna to make is longer.
Preferable, the length of this first antenna part is less than this second antenna part length.
Preferable, the work centre frequency of this first antenna part is 680-720MHz, the work centre frequency of this second antenna part is 480-520MHz.Through this first antenna part and this second antenna part are arranged to can be separately and the form of working simultaneously, can increase the frequency bandwidth of China Mobile multimedia broadcasting antenna receiving signal, improved the performance that receives signal greatly.
A kind of mobile phone comprises a baseband chip and an antenna-matching circuit, and its characteristics are, also are provided with aforesaid China Mobile multimedia broadcasting antenna in this mobile phone.
Preferable, this insulated substrate also is used as the mainboard of this mobile phone, and this baseband chip all is arranged on this insulated substrate with this antenna-matching circuit.Promptly this insulated substrate is original mainboard (being generally the PCB mainboard) of mobile phone; Through using the insulated substrate of the original PCB mainboard of mobile phone as this first antenna part of welding and this second antenna part; Not only save material, but also can make full use of the space of existing PCB mainboard.
The positive progressive effect of the utility model is:
The utility model provides a kind of China Mobile multimedia broadcasting antenna.Through this China Mobile multimedia broadcasting antenna being arranged to the mode of two sides cabling and being arranged on the surface of an insulated substrate, reduced taking up room of this China Mobile multimedia broadcasting antenna.The utility model also provides a kind of mobile phone that comprises this China Mobile multimedia broadcasting antenna; This China Mobile multimedia broadcasting antenna can be divided into two sections and be arranged at the inside of mobile phone; Need the defective of bigger continuous space when having avoided global formation, have the function in the inner little space of reasonable use mobile phone.
Description of drawings
Fig. 1 is the structural representation of the China Mobile multimedia broadcasting antenna of the utility model embodiment one.
Fig. 2 is the structural representation of the insulated substrate of the China Mobile multimedia broadcasting antenna among Fig. 1.
Fig. 3 is the structural representation of the China Mobile multimedia broadcasting antenna of the utility model embodiment two.
Fig. 4 is the structural representation of the insulated substrate of the China Mobile multimedia broadcasting antenna among Fig. 2.
Fig. 5 is the structural representation of the mobile phone of the utility model preferred embodiment.
Embodiment
Provide the utility model preferred embodiment below in conjunction with accompanying drawing, to specify the technical scheme of the utility model.
Embodiment one
Shown in Fig. 1-2; The China Mobile multimedia broadcasting antenna of present embodiment comprises an insulated substrate 13; This insulated substrate 13 comprises a positive and back side; This China Mobile multimedia broadcasting antenna also comprises one first antenna part 11, one second antenna part 16, and this first antenna part 11 and this second antenna part 16 are arranged at the front and back of this insulated substrate 13 respectively, are penetrated with a lead 14 on this insulated substrate 13; Also be provided with an antenna feed point 18 on this insulated substrate 13; The face bonding of this insulated substrate 13 is connected to first pad 19 that is electrically connected with this lead 14, and the back side of this insulated substrate is welded with second pad 110 that is electrically connected with this lead, and this China Mobile multimedia broadcasting antenna also comprises three metal clipss; Those shell fragments are respectively first shell fragment 12, second shell fragment 15 and the 3rd shell fragment 17; One end of this first antenna part 11 is electrically connected with this first pad 19 through this first shell fragment 12, and this second pad 110 is electrically connected with an end of this second antenna part 16 through this second shell fragment 15, and the other end of this second antenna part 16 is connected on this antenna feed point 18 through the 3rd shell fragment 17.
Embodiment two
Shown in Fig. 3-4; The China Mobile multimedia broadcasting antenna of present embodiment comprises an insulated substrate 23; This insulated substrate 23 comprises positive and a back side, and this China Mobile multimedia broadcasting antenna also comprises one first antenna part 21, one second antenna part 26, and this first antenna part 21 and this second antenna part 26 are arranged at the front and back of this insulated substrate 23 respectively; Be penetrated with a lead 24 on this insulated substrate 23; Also be provided with an antenna feed point 28 on this insulated substrate 23, the face bonding of this insulated substrate 23 is connected to first pad 27 that is electrically connected with this lead 24, and the back side of this insulated substrate is welded with second pad that is electrically connected with this lead; In this enforcement, this second pad is this antenna feed point 28.This China Mobile multimedia broadcasting antenna also comprises two metal clipss; Those shell fragments are respectively first shell fragment 22, second shell fragment 25; One end of this first antenna part 21 is electrically connected with this first pad 27 through this first shell fragment 22, and this antenna feed point 28 is electrically connected with an end of this second antenna part 26 through this second shell fragment 25.
The manufacture method of this lead 24 is: at first, on this insulated substrate, be penetrated with a cylindrical hole; Then, printing hollow cylindrical lead 24 on this cylindrical hole.The material of this lead 24, those pads and those shell fragments is copper.Certainly, the material of this lead 24 and those shell fragments can also be selected tin, and the material of this pad can also be selected tin or silver.
This first antenna part 21 is the FPC antenna with this second antenna part 26.The FPC antenna is that plain conductor is made on the flexible PCB and the antenna that forms.Flexible PCB (FPC, Flexible Printed Circuit board) is called for short soft board; Be with polyimides (polyimide; PI) or polyester film (PET claims Mylar again) a kind ofly have height reliability, an excellent flexible printed circuit for what base material was processed.It has, and distribution density is high, in light weight, the characteristics of thin thickness, is suitable for the electronic product of high integration such as mobile phone, notebook computer, PDA or digital camera.The length of this first antenna part 21 can be made into less than these second antenna part, 26 length; So that the centre frequency when making the working independently of this first antenna part 21 is 680-720MHz, the centre frequency during the working independently of this second antenna part 26 is 480-520MHz.
As shown in Figure 5, the utility model also provides a kind of mobile phone to comprise an antenna-matching circuit 3, a baseband chip 4, one drive circuit 5 and a loud speaker 6, also is provided with China Mobile multimedia broadcasting antenna as shown in Figure 3 in this mobile phone.In fact, China Mobile multimedia broadcasting antenna as shown in Figure 1 can also be set in this mobile phone.This China Mobile multimedia broadcasting antenna, this antenna-matching circuit 3, this baseband chip 4, this drive circuit 5 and this loud speaker 6 are electrically connected successively.
During use; This China Mobile multimedia broadcasting antenna receives the electromagnetic wave signal of radiation in the free space; And under the excitation of electromagnetic wave signal, produce higher-order of oscillation electric current, then through this antenna feed point 28 with higher-order of oscillation current delivery to this antenna-matching circuit 3, antenna-matching circuit 3 is used for impedance matching; Make the electromagnetic wave energy of storing in the antenna be delivered to baseband chip 4 efficiently; Because the electromagnetic wave frequency range that send in the CMMB radio station is 470-798MHz, the frequency range of voice signal be 20Hz to 20KHz, so this baseband chip 4 need detection (or demodulation) go out voice signal from the electromagnetic wave signal that receives.Because the voice signal of this baseband chip 4 detections output is comparatively faint usually, therefore need to amplify through this drive circuit 5 earlier, play back through this loud speaker 6 then.
China Mobile multimedia broadcasting (CMMB, China Mobile Multimedia Broadcasting) can also the transmit video signal except can transmission of speech signals.Because it is comparatively similar with the principle of vision signal that the China Mobile multimedia broadcasting antenna receives voice signal, so mobile phone uses the process of China Mobile multimedia broadcasting antenna receiving video signals no longer to narrate.
Because mobile phone generally includes a PCB mainboard, this baseband chip 4 all is arranged on this PCB mainboard with this antenna-matching circuit 3.When making the China Mobile multimedia broadcasting antenna of the utility model, can use this PCB mainboard to replace the mode of above-mentioned insulated substrate, be about to this first antenna part 21 and be produced on the original PCB mainboard of mobile phone with this second antenna part 26.
Though more than described the embodiment of the utility model, it will be understood by those of skill in the art that these only illustrate, the protection range of the utility model is limited appended claims.Those skilled in the art can make numerous variations or modification to these execution modes under the prerequisite of principle that does not deviate from the utility model and essence, but these changes and modification all fall into the protection range of the utility model.
Claims (10)
1. China Mobile multimedia broadcasting antenna; It comprises an insulated substrate; This insulated substrate comprises a positive and back side, it is characterized in that this China Mobile multimedia broadcasting antenna also comprises one first antenna part, one second antenna part; This first antenna part and this second antenna part are arranged at the front and back of this insulated substrate respectively, and this first antenna part is electrically connected with this second antenna part.
2. China Mobile multimedia broadcasting antenna as claimed in claim 1; It is characterized in that; Be penetrated with a lead on this insulated substrate, also be provided with an antenna feed point on this insulated substrate, the face bonding of this insulated substrate is connected to first pad that is electrically connected with this lead; The back side of this insulated substrate is welded with second pad that is electrically connected with this lead; This China Mobile multimedia broadcasting antenna also comprises three metal clipss, and those shell fragments are respectively first shell fragment, second shell fragment and the 3rd shell fragment, and an end of this first antenna part is electrically connected with this first pad through this first shell fragment; This second pad is electrically connected with an end of this second antenna part through this second shell fragment, and the other end of this second antenna part is connected on this antenna feed point through the 3rd shell fragment.
3. China Mobile multimedia broadcasting antenna as claimed in claim 1; It is characterized in that, be penetrated with a lead on this insulated substrate, also be provided with an antenna feed point on this insulated substrate; The face bonding of this insulated substrate is connected to first pad that is electrically connected with this lead; The back side of this insulated substrate is welded with second pad that is electrically connected with this lead, and this China Mobile multimedia broadcasting antenna also comprises two metal clipss, and those shell fragments are respectively first shell fragment, second shell fragment; One end of this first antenna part is electrically connected with this first pad through this first shell fragment, and this second pad is electrically connected with this antenna feed point with an end of this second antenna part through this second shell fragment.
4. like any described China Mobile multimedia broadcasting antenna among the claim 2-3, it is characterized in that, be penetrated with a cylindrical hole on this insulated substrate, this lead is one to be printed in the hollow cylindrical lead on this cylindrical hole.
5. China Mobile multimedia broadcasting antenna as claimed in claim 4 is characterized in that, the material of this lead and those shell fragments is copper or tin, and the material of those pads is copper, tin or silver.
6. China Mobile multimedia broadcasting antenna as claimed in claim 5 is characterized in that, this first antenna part is the FPC antenna with this second antenna part.
7. China Mobile multimedia broadcasting antenna as claimed in claim 6 is characterized in that, the length of this first antenna part is less than this second antenna part length.
8. China Mobile multimedia broadcasting antenna as claimed in claim 7 is characterized in that, the work centre frequency of this first antenna part is 680-720MHz, and the work centre frequency of this second antenna part is 480-520MHz.
9. a mobile phone comprises a baseband chip and an antenna-matching circuit, it is characterized in that, also is provided with any described China Mobile multimedia broadcasting antenna among the claim 1-8 in this mobile phone.
10. mobile phone as claimed in claim 9 is characterized in that, this insulated substrate also is used as the mainboard of this mobile phone, and this baseband chip all is arranged on this insulated substrate with this antenna-matching circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201534322U CN202564552U (en) | 2012-04-12 | 2012-04-12 | China mobile multimedia broadcasting antenna and cellphone |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201534322U CN202564552U (en) | 2012-04-12 | 2012-04-12 | China mobile multimedia broadcasting antenna and cellphone |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202564552U true CN202564552U (en) | 2012-11-28 |
Family
ID=47214173
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012201534322U Withdrawn - After Issue CN202564552U (en) | 2012-04-12 | 2012-04-12 | China mobile multimedia broadcasting antenna and cellphone |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202564552U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102623796A (en) * | 2012-04-12 | 2012-08-01 | 上海华勤通讯技术有限公司 | China mobile multimedia broadcasting (CMMB) antenna and mobile phone |
| CN107275819A (en) * | 2017-05-27 | 2017-10-20 | 努比亚技术有限公司 | The attachment structure and mobile terminal of antenna shrapnel, antenna module and circuit board |
| CN112038752A (en) * | 2020-09-02 | 2020-12-04 | 惠州Tcl移动通信有限公司 | Low-frequency antenna assembly and mobile terminal thereof |
-
2012
- 2012-04-12 CN CN2012201534322U patent/CN202564552U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102623796A (en) * | 2012-04-12 | 2012-08-01 | 上海华勤通讯技术有限公司 | China mobile multimedia broadcasting (CMMB) antenna and mobile phone |
| CN107275819A (en) * | 2017-05-27 | 2017-10-20 | 努比亚技术有限公司 | The attachment structure and mobile terminal of antenna shrapnel, antenna module and circuit board |
| CN112038752A (en) * | 2020-09-02 | 2020-12-04 | 惠州Tcl移动通信有限公司 | Low-frequency antenna assembly and mobile terminal thereof |
| CN112038752B (en) * | 2020-09-02 | 2023-10-03 | 惠州Tcl移动通信有限公司 | Low-frequency antenna assembly and mobile terminal thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20121128 Effective date of abandoning: 20150415 |
|
| RGAV | Abandon patent right to avoid regrant |