CN202679438U - Cellphone - Google Patents
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- Publication number
- CN202679438U CN202679438U CN 201220249170 CN201220249170U CN202679438U CN 202679438 U CN202679438 U CN 202679438U CN 201220249170 CN201220249170 CN 201220249170 CN 201220249170 U CN201220249170 U CN 201220249170U CN 202679438 U CN202679438 U CN 202679438U
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- China
- Prior art keywords
- antenna
- mobile phone
- cmmb
- metallic shield
- shield frame
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a cellphone, which comprises a cellphone motherboard, a metal shielding box of a display screen arranged on the cellphone motherboard and a CMMB (China Mobile Multimedia Broadcasting) antenna arranged on the cellphone motherboard, wherein the CMMB antenna is arranged between the cellphone motherboard and the metal shielding box. A first clearance zone is set on the metal shielding box corresponding to the overlap part of the CMMB antenna in the vertical projection direction. Each copper layer on the cellphone motherboard in the vertical projection section of the CMMB antenna is cleared completely to be set as a second clearance zone. Therefore, the clearance zone of the antenna is further increased, the performance of the CMMB antenna of the cellphone is enhanced and multimedia broadcasting programs can be received smoothly.
Description
Technical field
The utility model relates to the mobile communication equipment field of supporting the CMMB antenna, relates in particular to a kind of mobile phone of the CMMB of enhancing antenna performance.
Background technology
CMMB is that the abbreviation of English China Mobile Multimedia Broadcasting is called for short, full name is the China Mobile multimedia broadcasting TV, it is to utilize the wireless digital broadcasting net to provide broadcast TV program to users such as mobile phone, MP4, notebook computers, is new tool, new media that the radio and television digital development is brought.
The main feature of CMMB has:
(1) CMMB is a kind of of digital television techniques, it adopts the digital technologies such as advanced coding, compression, modulation, aim at the portable receiving terminal of small-size screen below 7 cun the broadcast TV program service is provided, have the not available technical characterstics of conventional digital TV such as mobile reception, efficient power saving.
(2) the CMMB terminaloriented is extensive, economical and practical, as long as in the various the small screen portable terminal devices such as mobile phone, PDA, MP3, MP4, digital camera, notebook computer and the Miniature Receive Terminal on, train, steamer, aircraft, installed the function that receives CMMB additional, just can reception, the multimedia service such as audio frequency, data, satisfy the demand that people see TV whenever and wherever possible.
(3) CMMB have clear picture smoothness, networking convenient, flexible, support the characteristics such as multiple business, multinomial technology is particularly reached advanced world standards aspect saving power for terminal.
(4) networking of CMMB technology is simple, the networking cost is low, can utilize existing broadcast television coverage infrastructure construction ground nerve of a covering, can form via satellite the nerve of a covering realization seamless coverage of " Incorporate " with ground network, is easy to popularize rapidly.
(5) the CMMB system possesses broadcast type, reversible service function, and digital broadcast television program, integrated information and urgent broadcast service can be provided, and can carry out the business such as program request, propelling movement, e-magazine, also can provide, does shopping, pays the fees, the service such as game.CMMB possesses encryption authorization control and management system, and central and local governments combine, and the roaming of the user whole nation is supported in unified standard, unified operation.
Wherein, mobile phone is as the present most popular mobile communication facility of people, can make people receive at any time the multimedia broadcasting program of CMMB by antenna for mobile phone, but existing antenna for mobile phone major part is external antenna, for example: telescopic antenna or earphone antenna, as shown in Figure 1, but this external antenna must pull out or connect very glibly receiving multimedia broadcast program of other products (such as earphone antenna etc.), for emergent broadcast etc. need terminal monitor at any time and the business that receives inconvenience, and the design of the external structure of antenna for mobile phone is not attractive in appearance yet; In addition, existing intelligent mobile phone terminal all has large-sized LCD display, be that LCD display covers whole mobile phone plane substantially, therefore the metallic shield frame of LCD display will certainly with the effective planar section of CMMB antenna of mobile phone or fully overlapping, thereby occupy mobile phone CMMB antenna headroom district, because the metallic shield frame of LCD display can affect the overall performance of CMMB antenna greatly, can't smoothness or can not the receiving multimedia broadcast program thereby cause.
Therefore, prior art has yet to be improved and developed.
The utility model content
[0010] in view of above-mentioned the deficiencies in the prior art, the purpose of this utility model is to provide a kind of mobile phone of the CMMB of enhancing antenna performance, namely at mobile phone terminal a kind of built-in antenna is set, being intended to solve people need not by pulling out telescopic antenna or connecting other products (such as earphone antenna etc.), just can monitor at any time and receive the multimedia broadcasting program of CMMB, and pass through the metallic shield frame with described mobile phone display screen in the embedding structure design owing to the CMMB antenna, lap corresponding to described CMMB antenna upright projection direction is set to the first headroom district, be about to the metallic shield frame of described mobile phone display screen, the overlapping metallic shield frame of the effective upright projection direction of corresponding and described CMMB antenna crops, antenna headroom district is increased greatly, thereby increased the performance of mobile phone CMMB antenna.
The technical solution of the utility model is as follows:
A kind of mobile phone comprises cell phone mainboard, the metallic shield frame of mobile phone display screen, and be arranged on CMMB antenna between the metallic shield frame of described cell phone mainboard and described mobile phone display screen; Wherein, at described metallic shield frame, be set to the first headroom district corresponding to the lap of described CMMB antenna upright projection direction.
Described mobile phone, wherein, with described metallic shield frame, corresponding to lap cutting one breach of described CMMB antenna upright projection direction, described breach is described the first headroom district.
Described mobile phone, wherein, described breach is the L-type breach.
Described mobile phone, wherein, on described cell phone mainboard, each the floor copper sheet on the cell phone mainboard in corresponding and described CMMB antenna upright projection zone is set to the second headroom district.
Described mobile phone, wherein, described CMMB antenna is monopole antenna.
Described mobile phone, wherein, described CMMB antenna is: FPC antenna, LDS antenna or ceramic antenna.
Described mobile phone, wherein, described FPC antenna or LDS antenna arrange in described cell phone mainboard bending.
Described mobile phone, wherein, described ceramic antenna is horizontally set or vertically arranges at described cell phone mainboard.
Described mobile phone, wherein, described FPC antenna or LDS antenna band comprise high frequency and low frequency, and high-frequency band is 650MHz-800MHz, and the scope of low frequency is 470MHz-650MHz.
The utility model is owing to the metallic shield frame that adopts described mobile phone display screen, lap corresponding to described CMMB antenna upright projection direction is set to the first headroom district, be about to the cropping with the overlapping part of the effective upright projection direction of described CMMB antenna of metallic shield frame of described mobile phone display screen, and each floor copper sheet of cell phone mainboard of antenna upright projection area terminal all is set to the second headroom district, antenna headroom district is further increased, the beamwidth of antenna and antenna efficiency both can satisfy the requirement of CMMB like this, increased again the performance of mobile phone CMMB antenna, more glibly the receiving multimedia broadcast program.
Description of drawings
Fig. 1 is prior art mobile phone (external CMMB antenna) structural representation.
Fig. 2 is the LDS antenna of the utility model mobile phone embodiment or the structural representation of FPC antenna.
Fig. 3 is structural representation Fig. 1 of the ceramic antenna of the utility model mobile phone embodiment.
Fig. 4 is structural representation Fig. 2 of the ceramic antenna of the utility model mobile phone embodiment.
Fig. 5 is the schematic diagram of metallic shield frame and LDS antenna or the effective upright projection direction of FPC antenna lap among the utility model mobile phone embodiment.
Fig. 6 is the schematic diagram 1 of metallic shield frame and the effective upright projection direction of ceramic antenna lap among the utility model mobile phone embodiment.
Fig. 7 is the schematic diagram 2 of metallic shield frame and the effective upright projection direction of ceramic antenna lap among the utility model mobile phone embodiment.
Embodiment
The utility model provides a kind of structure and mobile phone that strengthens the mobile phone CMMB antenna performance, and is clearer, clear and definite for making the purpose of this utility model, technical scheme and effect, below the utility model further described.Should be appreciated that specific embodiment described herein only in order to explaining the utility model, and be not used in restriction the utility model.
The embodiment of a kind of mobile phone of the utility model such as Fig. 5, Fig. 6 and shown in Figure 7, comprises cell phone mainboard 101, the metallic shield frame 103 of mobile phone display screen, and be arranged on CMMB antenna 102 between described cell phone mainboard 101 and described metallic shield frame 103.And better, shown CMMB antenna 102 can have three kinds: FPC(Flexible Printed Circuit board flexible printed circuit board) antenna, LDS (Laser Direct Structuring laser direct forming) antenna, ceramic antenna.
Wherein, when being LDS antenna or FPC antenna, can take snakelike cabling at cell phone mainboard 101, for example Fig. 2 or CMMB antenna 102 shown in Figure 5, and walk wire shaped and can also set other shapes according to structure.And ceramic antenna is a normal component, and fixing structure is arranged, and is better, in the present embodiment implementation, when being ceramic antenna for described CMMB antenna 102, specifically adopts vertical layout and landscape layout mode.Be the mode that employing vertical layout and landscape layout be set of described ceramic antenna on described cell phone mainboard 101, respectively corresponding diagram 3 and shown in Figure 4.
Need to prove, because the CMMB working frequency range is lower, these three kinds of antennas all belong to traditional monopole antenna design, its resonance point and bandwidth all are limited by antenna structure, requirement to structure space is all larger, and the metallic shield frame 103 of LCD screen directly has influence on resonant bandwidth and the resonance point of antenna, and then affects the performance of built-in CMMB antenna.
Better, in the present embodiment implementation, for LDS antenna or FPC antenna, the concrete bending structure that adopts as shown in Figure 2, described CMMB antenna 102 is LDS antenna or FPC antenna, design according to monopole antenna, cabling is snakelike setting on antenna holder, and in order to guarantee the beamwidth of antenna, described LDS antenna or FPC antenna are divided into two frequency ranges and design, wherein the high-frequency band scope is 650MHz-800MHz, and the low frequency band limits is 470MHz-650MHz.
Further, in the present embodiment, the metallic shield frame of described mobile phone display screen, be set to the first headroom district corresponding to the lap of described CMMB antenna upright projection direction, as shown in Figure 5 104 be the first headroom district of the first embodiment, shown in Figure 6 105 is the first headroom district of the second embodiment, and shown in Figure 7 106 is the first headroom district of the 3rd embodiment.So-called headroom district refer to around the antenna or vertical plane without any device or earth connection.
In the present embodiment, be specially with described metallic shield frame, corresponding to lap cutting one breach of described CMMB antenna upright projection direction, described breach is described the first headroom district, and antenna headroom district is increased greatly.
Better, breach described in the present embodiment implementation is the L-type breach, as shown in Figure 5.When described CMMB antenna 102 is LDS antenna or FPC antenna, the concrete cabling of antenna is referring to shown in Figure 2, because LCD display covers whole mobile phone plane substantially, therefore the metallic shield frame 103 of described LCD display will with described LDS antenna or the effective planar section of FPC antenna or fully overlapping, lap will occupy the headroom district of described LDS antenna or FPC antenna, affect greatly resonant bandwidth and the resonance point of described LDS antenna or FPC antenna, and then affect the overall performance of described LDS antenna or FPC antenna.For addressing the above problem, the utility model is set to the first headroom district by the LCD display metallic shield frame on the lap is cropped, be label 104 zones such as the first headroom district among Fig. 5, adjust resonance point and the bandwidth of described antenna with the empty regions that increases described LDS antenna or FPC antenna, and then increase the performance of the described LDS antenna of mobile phone or FPC antenna.
Better, in the present embodiment implementation, described the first headroom district can also be set to other shapes, specifically decides according to the concrete cabling situation of antenna, as shown in Figure 6 and Figure 7.When described CMMB antenna 102 is ceramic antenna, Fig. 3 and two kinds of forms of Fig. 4 are taked in the cabling setting of antenna, because LCD display covers whole mobile phone plane substantially, therefore the metallic shield frame 103 of described LCD display will with the effective planar section of described ceramic antenna or fully overlapping, lap will occupy the headroom district of described ceramic antenna, affect greatly resonant bandwidth and the resonance point of described ceramic antenna, and then affect the overall performance of described ceramic antenna, for addressing the above problem, the utility model is by cropping a rectangular indentation with the LCD display metallic shield frame on the lap, described rectangular indentation is the first headroom district of described ceramic antenna, difference setting according to described ceramic antenna, referring to Fig. 3 and Fig. 4, the first headroom district of described ceramic antenna can be zone shown in 106 among zone and person Fig. 7 shown in 105 among Fig. 6, the first headroom district of described ceramic antenna adjusts resonance point and the bandwidth of described ceramic antenna with the empty regions that increases described ceramic antenna, and then increases the performance of the described ceramic antenna of mobile phone.
Embodiment further, the utility model embodiment also each the floor copper sheet on the cell phone mainboard 101 in described three kinds of CMMB antenna 102 upright projection zones are set to the second headroom district (not marking among the figure).Be in the present embodiment, in order further to increase the performance of mobile phone CMMB antenna, the utility model can also be removed the empty regions that further guarantees monopole antenna with each layer copper sheet on the cell phone mainboard in described three kinds of CMMB antenna 102 upright projection zones, namely remove the copper sheet on described view field cell phone mainboard top layer, can not change the original structure of cell phone mainboard and performance.
In sum, the utility model since adopt described mobile phone display screen the metallic shield frame, be set to the first headroom district corresponding to the lap of described CMMB antenna upright projection direction, be about to described mobile phone display screen the metallic shield frame, crop corresponding to the overlapping metallic shield frame of the effective upright projection direction of described CMMB antenna, and each floor copper sheet of the cell phone mainboard in antenna upright projection zone is set to the second headroom district, antenna headroom district is further increased, increased the performance of mobile phone CMMB antenna, glibly the receiving multimedia broadcast program.
Should be understood that; application of the present utility model is not limited to above-mentioned giving an example; for those of ordinary skills, can be improved according to the above description or conversion, all these improvement and conversion all should belong to the protection range of the utility model claims.
Claims (9)
1. a mobile phone comprises cell phone mainboard, the metallic shield frame of mobile phone display screen, and be arranged on CMMB antenna between the metallic shield frame of described cell phone mainboard and described mobile phone display screen; It is characterized in that, at described metallic shield frame, be set to the first headroom district corresponding to the lap of described CMMB antenna upright projection direction.
2. mobile phone according to claim 1 is characterized in that, with described metallic shield frame, corresponding to lap cutting one breach of described CMMB antenna upright projection direction, described breach is described the first headroom district.
3. mobile phone according to claim 2 is characterized in that, described breach is the L-type breach.
4. mobile phone according to claim 1 is characterized in that, on described cell phone mainboard, each the floor copper sheet on the cell phone mainboard in corresponding and described CMMB antenna upright projection zone is set to the second headroom district.
5. mobile phone according to claim 1 is characterized in that, described CMMB antenna is monopole antenna.
6. mobile phone according to claim 5 is characterized in that, described CMMB antenna is: FPC antenna, LDS antenna or ceramic antenna.
7. mobile phone according to claim 6 is characterized in that, described FPC antenna or LDS antenna arrange in described cell phone mainboard bending.
8. mobile phone according to claim 6 is characterized in that, described ceramic antenna is horizontally set or vertically arranges at described cell phone mainboard.
9. mobile phone according to claim 7 is characterized in that, described FPC antenna or LDS antenna band comprise high frequency and low frequency, and high-frequency band is 650MHz-800MHz, and the scope of low frequency is 470MHz-650MHz.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220249170 CN202679438U (en) | 2012-05-30 | 2012-05-30 | Cellphone |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220249170 CN202679438U (en) | 2012-05-30 | 2012-05-30 | Cellphone |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202679438U true CN202679438U (en) | 2013-01-16 |
Family
ID=47500308
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220249170 Expired - Fee Related CN202679438U (en) | 2012-05-30 | 2012-05-30 | Cellphone |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202679438U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021121423A1 (en) * | 2019-12-19 | 2021-06-24 | 上海摩软通讯技术有限公司 | Terminal device |
| CN114937867A (en) * | 2022-07-20 | 2022-08-23 | 荣耀终端有限公司 | Display device and terminal equipment |
-
2012
- 2012-05-30 CN CN 201220249170 patent/CN202679438U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021121423A1 (en) * | 2019-12-19 | 2021-06-24 | 上海摩软通讯技术有限公司 | Terminal device |
| US12021298B2 (en) | 2019-12-19 | 2024-06-25 | Shanghai Moruan Telecom Technology Co., Ltd. | Terminal device |
| CN114937867A (en) * | 2022-07-20 | 2022-08-23 | 荣耀终端有限公司 | Display device and terminal equipment |
| CN114937867B (en) * | 2022-07-20 | 2022-12-23 | 荣耀终端有限公司 | Display device and terminal equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130116 Termination date: 20150530 |
|
| EXPY | Termination of patent right or utility model |