CN101807935B - Mobile terminal with shared built-in aerial and method for sharing built-in aerial - Google Patents
Mobile terminal with shared built-in aerial and method for sharing built-in aerial Download PDFInfo
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- CN101807935B CN101807935B CN2010101215286A CN201010121528A CN101807935B CN 101807935 B CN101807935 B CN 101807935B CN 2010101215286 A CN2010101215286 A CN 2010101215286A CN 201010121528 A CN201010121528 A CN 201010121528A CN 101807935 B CN101807935 B CN 101807935B
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/12—Supports; Mounting means
- H01Q1/22—Supports; Mounting means by structural association with other equipment or articles
- H01Q1/24—Supports; Mounting means by structural association with other equipment or articles with receiving set
- H01Q1/241—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM
- H01Q1/242—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for hand-held use
- H01Q1/243—Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for hand-held use with built-in antennas
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/30—Combinations of separate antenna units operating in different wavebands and connected to a common feeder system
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q5/00—Arrangements for simultaneous operation of antennas on two or more different wavebands, e.g. dual-band or multi-band arrangements
- H01Q5/50—Feeding or matching arrangements for broad-band or multi-band operation
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Support Of Aerials (AREA)
- Transceivers (AREA)
Abstract
The invention relates to a mobile terminal with a shared built-in aerial and a method for sharing the built-in aerial. The mobile terminal with the shared built-in aerial comprises a built-in GSM aerial and a built-in FM aerial, wherein the built-in GSM aerial and the built-in FM aerial are the same aerial. In the method for sharing the built-in aerial of the mobile terminal, a FM and GSM signal separation circuit is additionally arranged at a contact piece end of a GSM aerial feed pin, and a frequency selection circuit is additionally arranged at a contact piece end of a GSM aerial foot margin if necessary, so that the GSM aerial can be used as the built-in FM aerial. Aiming at the defects of large sizes and high cost of the built-in FM aerial arranged independently at present, other built-in aerials such as the GSM aerial on the mobile terminal are used as the built-in FM aerial, so that the multifunctional sharing of one aerial is realized. After the technical scheme of the invention is adopted, the internal space of the mobile terminal and the cost for additionally arranging the other aerial are not increased while fully ensuring that the aerial performance is stable.
Description
[technical field]
The present invention relates to be provided with the portable terminal of built-in aerial, be specifically related to a kind of portable terminal of shared built-in and method for sharing of built-in aerial of being provided with.
[background technology]
FM (FM receiver) becomes the basic configuration function of portable terminal, but the very inconvenient user of traditional external FM antenna uses, so, in the recent period many antenna producers built-in FM antenna that released one after another.
But built-in FM antenna independently is arranged on portable terminal inside, can take bigger space, portable terminal inside, thereby has influenced the external styling of portable terminal, and the cost that built-in FM antenna also can increase portable terminal independently is set.
In portable terminal mobile phone today of popularizing for example, its function, external styling, production cost become the principal focal point of Mobile Phone Market competition, and the FM built-in aerial will obtain better application and popularization, and its cost, size need further to reduce.
[summary of the invention]
Built-in FM antenna independently is arranged on portable terminal inside in the prior art in order to solve; Can take bigger space, portable terminal inside; Thereby influenced the external styling of portable terminal, and this technical problem of production cost that built-in FM antenna independently is set also can increases portable terminal the invention provides a kind of portable terminal that is provided with shared built-in.
The present invention also provides a kind of method for sharing of portable terminal built-in aerial.
The present invention solves the technical scheme that the prior art problem adopted: a kind of portable terminal that is provided with shared built-in is provided; Said portable terminal comprises built-in GSM antenna and built-in FM antenna, and said built-in GSM antenna and said built-in FM antenna are the same antenna.
According to an optimal technical scheme of the present invention: said portable terminal comprises circuit board; Said circuit board is provided with frequency selection circuit, antenna lower margin contact chip, antenna feed pin contact chip, FM chip, GSM demultiplexing circuit and FM demultiplexing circuit; Place said FM demultiplexing circuit between said antenna feed pin contact chip and the said FM chip; Said GSM demultiplexing circuit is set between said antenna feed pin contact chip and GSM circuit, said frequency selection circuit is set between the ground of said antenna lower margin contact chip and said circuit board.
According to an optimal technical scheme of the present invention: said FM demultiplexing circuit is arranged between said antenna lower margin contact chip and the said FM chip.
According to an optimal technical scheme of the present invention: said portable terminal comprises circuit board; Said circuit board is provided with antenna feed pin contact chip, FM chip, GSM demultiplexing circuit and FM demultiplexing circuit; Place said FM demultiplexing circuit between said antenna feed pin contact chip and the said FM chip, said GSM demultiplexing circuit is set between said antenna feed pin contact chip and GSM circuit.
According to an optimal technical scheme of the present invention: the shared built-in that is provided with in the said portable terminal is the antenna of all forms such as monopole antenna, planar inverted-F antenna or loop aerial.
According to an optimal technical scheme of the present invention: said GSM antenna is the mobile terminal communication antenna of all types such as 2G antenna, 2.5G antenna, 2.75G antenna, 3G antenna or 4G antenna; Wherein, said 2G antenna comprises GSM850, GSM900, DCS1800, PCS1900 or CDMA etc.
According to an optimal technical scheme of the present invention: said portable terminal also can comprise external FM antenna, and said external FM antenna and said built-in FM antenna can switch through a radio frequency commutation circuit device.The commutation circuit device that between said external FM antenna and said built-in FM antenna, is provided with also can save, and built-in FM antennas paths and external FM antennas paths directly connect together through radio-frequency transmission line, and the inside and outside antenna of putting of FM can be worked simultaneously.
The present invention also provides a kind of method for sharing of portable terminal built-in aerial; The method for sharing of said portable terminal built-in aerial is used in the portable terminal that is provided with shared built-in; Said portable terminal comprises built-in GSM antenna and built-in FM antenna; Said built-in GSM antenna and said built-in FM antenna are the same antenna, and its method for sharing is:
For the GSM signal; The lower margin of built-in GSM antenna communicates through the ground of the circuit board that is provided with in antenna lower margin contact chip and frequency selection circuit and the portable terminal; The feedback pin of said built-in GSM antenna communicates with the GSM circuit through antenna feed pin contact chip and GSM demultiplexing circuit; And isolate with the FM chip, the GSM antenna operate as normal of band lower margin is at the GSM antenna condition;
For the FM signal; The ground of the circuit board that is provided with in the lower margin of GSM antenna and the portable terminal is in isolation; The antenna feed pin communicates with the FM chip through antenna feed pin contact chip and FM demultiplexing circuit, and isolates with the GSM circuit, and the GSM antenna is operated in the FM antenna condition.
According to an optimal technical scheme of the present invention: the method for sharing of said portable terminal built-in aerial is:
For the GSM signal, the feedback pin of built-in GSM antenna communicates with the GSM circuit through antenna feed pin contact chip and GSM demultiplexing circuit, and isolates with the FM chip, and the GSM antenna is operated in the GSM antenna condition;
For the FM signal, the antenna feed pin communicates with the FM chip through antenna feed pin contact chip and FM demultiplexing circuit, and isolates with the GSM circuit, and the GSM antenna is operated in the FM antenna condition.
This method for sharing can be used on the built-in FM transmitting antenna of portable terminal, also can be used on the built-in television antennas such as simulated television, DTV CMMB, TDMB, DVB/T.
The present invention is directed to the current independent deficiency that FM built-in aerial size is big, cost is high that is provided with; Make built-in FM antenna with other built-in aerial on the portable terminal such as GSM antenna; Realized the multi-functional shared of an antenna; Adopt after the technical scheme of the present invention and to guarantee that fully antenna performance can not increase the space of portable terminal in stable, also need not increase the cost of establishing an antenna in addition.
[description of drawings]
Fig. 1. the present invention is provided with portable terminal interior circuit board structural representation in the method for sharing of portable terminal and built-in aerial of shared built-in;
Fig. 2. built-in GSM and built-in FM community antenna circuit schematic diagram;
Fig. 3. built-in FM antenna and external FM antenna switching circuit schematic diagram;
Fig. 4. built-in FM antenna and external FM antenna switching construction sketch map;
Fig. 5. built-in FM antenna and the direct connectivity structure sketch map of external FM antenna.
[embodiment]
Built-in FM antenna independently is arranged on portable terminal inside in the prior art in order to solve; Can take bigger space, portable terminal inside; Thereby influenced the external styling of portable terminal; And this technical problem of production cost that built-in FM antenna independently is set also can increases greatly portable terminal the invention provides a kind of portable terminal that is provided with shared built-in, and said portable terminal comprises built-in GSM antenna and built-in FM antenna, and said built-in GSM antenna and said built-in FM antenna are the same antenna.
Below in conjunction with accompanying drawing technical scheme of the present invention is elaborated:
See also portable terminal interior circuit board structural representation in the method for sharing of portable terminal and built-in aerial that Fig. 1 the present invention is provided with shared built-in.As shown in Figure 1; Said portable terminal comprises circuit board 1; Said circuit board 1 is provided with frequency selection circuit 2, antenna lower margin contact chip 3, antenna feed pin contact chip 4, FM chip 27, GSM circuit 28, GSM demultiplexing circuit 6 and FM demultiplexing circuit 5; Place said FM demultiplexing circuit 5 between said antenna feed pin contact chip 4 and the said FM chip; Between said antenna feed pin contact chip 4 and GSM circuit 28, said GSM demultiplexing circuit 6 is set, between the ground of said antenna lower margin contact chip 3 and said circuit board 1 said frequency selection circuit 2 is set.
Be arranged between said antenna lower margin contact chip 3 and the said FM chip at FM demultiplexing circuit 5 described in another optimal technical scheme of the present invention.
Technical scheme concrete in Fig. 1 is: antenna lower margin contact chip 3, antenna feed pin contact chip 4, frequency selection circuit 2, FM demultiplexing circuit 5 and GSM demultiplexing circuit 6 are arranged on the circuit board 1.Frequency selection circuit 2 can let the GSM signal smoothly through and restrain the FM signal and pass through; Antenna lower margin contact chip 3 is connected with the lower margin of portable terminal GSM antenna, and the ground with portable terminal printed circuit board 1 does not directly link to each other, but is connected with the ground of portable terminal printed circuit board 1 through frequency selection circuit 2; Antenna feed pin contact chip 4 is connected with the feedback pin of portable terminal GSM antenna; One end of FM demultiplexing circuit 5 is connected with antenna feed pin contact chip 4, and the other end is connected with FM chip 27, can let the FM signal through and restrain the GSM signal and pass through, make the FM antenna-matching circuit simultaneously; One end of GSM demultiplexing circuit 6 is connected with antenna feed pin contact chip 4, and the other end is connected with the GSM circuit, can let the GSM signal smoothly through and restrain the FM signal and pass through, make the GSM antenna-matching circuit simultaneously.
When GSM antenna such as the PIFA (planar inverted-F antenna) of band lower margin are installed to 1 last time of portable terminal printed circuit board; On the one hand; Concerning the GSM signal, the lower margin of GSM antenna communicates with the ground of portable terminal printed circuit board 1 through antenna lower margin contact chip 3 and frequency selection circuit 2, and the feedback pin of GSM antenna communicates with the GSM circuit through antenna feed pin contact chip 4 and GSM demultiplexing circuit 6; And isolate with the FM chip, the GSM antenna operate as normal of band lower margin is at the GSM antenna condition; On the other hand; Concerning the FM signal; The lower margin of GSM antenna can not communicate through the ground of frequency selection circuit 2 with portable terminal printed circuit board 1, is in isolation with the ground of portable terminal printed circuit board 1, and the antenna feed pin communicates with the FM chip through antenna feed pin contact chip 4 and FM demultiplexing circuit 5; And isolate with the GSM circuit, the GSM antenna is operated in FM monopole antenna state.Like this, the GSM antenna also can be worked as FM antenna usefulness except that the GSM antenna use.
For not with the GSM antenna of lower margin such as monopole antenna etc.; On portable terminal printed circuit board 1, can remove antenna lower margin contact chip 3 and frequency selection circuit 2, directly realize FM, GSM antenna duplexer through antenna feed pin contact chip 4, FM demultiplexing circuit 5 and GSM demultiplexing circuit 6.
The shared built-in that in portable terminal described in the above-mentioned explanation, is provided with can be the antenna of all forms such as monopole antenna, PIFA (plane is to inverse-F antenna), loop aerial, and its technology can be iron plate, FPC (flexible printed circuit), pottery, PCB (printed circuit board) antenna, LDS (laser direct forming) etc.
Said GSM antenna is the mobile terminal communication antenna of all types such as 2G antenna, 2.5G antenna, 2.75G antenna, 3G antenna or 4G antenna, and wherein, said 2G antenna comprises GSM850, GSM900, DCS1800, PCS1900 or CDMA etc.
See also built-in GSM of Fig. 2 and built-in FM community antenna circuit schematic diagram.As shown in Figure 2; The antenna feed foot of built-in GSM antenna 9 and passive device (resistance, inductance or electric capacity) 7,8,12,13,14,15,16,17 link to each other with 18, and the antenna ground foot of built-in GSM antenna 9 and passive device (resistance, inductance or electric capacity) 10 link to each other with 11.
Wherein passive device 7,8,16,17 and 18 is formed the GSM demultiplexing circuit, and passive device 12,13,14 and 15 is formed the FM demultiplexing circuit, and passive device 10 and 11 is formed frequency selection circuit.Passive device can dispose the SMD device of 0402 size; Like passive device 7,8 and 10 is 22pF electric capacity; Passive device 11,12 and 16 is the 120nH inductance, and passive device 13 and 17 is the 47nH inductance, and passive device 14 is a 56pF electric capacity; Passive device 15 is the 82nH inductance; Passive device 18 is removed, and such configuration circuit can make mobile terminal antennas such as GSM850, GSM900, DCS1800, PCS1900, CDMA and 3G as the FM built-in aerial, and the passive device 7,17,18,12,15 etc. that wherein is used for antenna match can be adjusted according to actual antennas.The form of GSM demultiplexing circuit, FM demultiplexing circuit and frequency selection circuit can variation, can select and adjust according to actual needs, and demultiplexing circuit also can be with duplexer etc.
See also built-in FM antenna of Fig. 4 and external FM antenna switching construction sketch map, comprise FM demultiplexing circuit 5, radio frequency commutation circuit device 29, FM chip 27, earphone interface 30 and earphone 31.The common port of radio frequency commutation circuit device 29 links to each other with FM chip 27, and an end links to each other with FM demultiplexing circuit 5, and the other end links to each other with earphone interface 30; Earphone 31 can insert earphone interface 30 and link to each other.Earphone 31 is made the FM external antenna.When inserting earphone; The common port of radio frequency commutation circuit device 29 is with an end conducting that links to each other with earphone interface 30 of radio frequency commutation circuit device 29; With a not conducting of end that links to each other with FM demultiplexing circuit 5 of radio frequency commutation circuit device 29, FM is operated in the external antenna pattern.When not inserting earphone; The common port of radio frequency commutation circuit device 29 is with a not conducting of end that links to each other with earphone interface 30 of radio frequency commutation circuit device 29; With an end conducting that links to each other with FM demultiplexing circuit 5 of radio frequency commutation circuit device 29, FM is operated in the built-in aerial pattern.Promptly realize that through radio frequency commutation circuit device the inside and outside antenna of putting of FM switches.
See also built-in FM antenna of Fig. 3 and external FM antenna switching circuit schematic diagram.As shown in Figure 3, circuit links to each other with mobile terminal earphone interface end 20, FM die terminals 19.When the external earphone of portable terminal inserted earphone interface, dc voltage input end 22 did not add direct voltage, and the FM die terminals communicates with the earphone interface end, and the external earphone of portable terminal is when the FM external antenna; When not having external earphone to insert earphone interface, dc voltage input end 22 adds a direct current voltage makes 21 conductings of RF switch diode, and the FM die terminals communicates with built-in FM antenna through RF switch diode 21 and capacitance 24.The inside and outside antenna of putting of FM can switch as required like this.Wherein resistance 23 is generally about several kilohms, and the direct voltage that dc voltage input end 22 adds is in several volts, and capacitance 24 is about 1nF, and the frequency selection circuit of electric capacity 25 and inductance 26 compositions can let direct current pass through and restrain the FM signal and pass through.Commutation circuit can have multi-form, also can be the diverter switch module.
Radio frequency commutation circuit device 29 can remove in many cases, and the inside and outside antenna of putting directly links together through radio-frequency transmission line, and FM built-in aerial and FM external antenna can be worked simultaneously, and the FM antenna performance can not descend too much.See also built-in FM antenna of Fig. 5 and the direct syndeton sketch map of external FM antenna, comprise FM demultiplexing circuit 5, radio-frequency transmission line 32, FM chip 27, earphone interface 30 and earphone 31, its headphone 31 is made the FM external antenna.Radio-frequency transmission line 32 links together FM demultiplexing circuit 5, earphone interface 30 and FM chip 27, promptly can realize also that without radio frequency commutation circuit device 29 the inside and outside antenna of putting of FM all can work.
The present invention also provides a kind of method for sharing of portable terminal built-in aerial; The method for sharing of said portable terminal built-in aerial is used in the portable terminal that is provided with shared built-in; Said portable terminal comprises built-in GSM antenna and built-in FM antenna; Said built-in GSM antenna and said built-in FM antenna are the same antenna, and its method for sharing is:
For the GSM signal; The lower margin of built-in GSM antenna communicates through the ground of the circuit board that is provided with in antenna lower margin contact chip and frequency selection circuit and the portable terminal; The feedback pin of said built-in GSM antenna communicates with the GSM circuit through antenna feed pin contact chip and GSM demultiplexing circuit; And isolate with the FM chip, the GSM antenna operate as normal of band lower margin is at the GSM antenna condition;
For the FM signal; The ground of the circuit board that is provided with in the lower margin of GSM antenna and the portable terminal is in isolation; The antenna feed pin communicates with the FM chip through antenna feed pin contact chip and FM demultiplexing circuit, and isolates with the GSM circuit, and the GSM antenna is operated in the FM antenna condition.
The present invention is directed to the current independent deficiency that FM built-in aerial size is big, cost is high that is provided with; Make built-in FM antenna with other built-in aerial on the portable terminal such as GSM antenna; Realized the multi-functional shared of an antenna; Guaranteeing that fully antenna performance can not increase the portable terminal inner space in stable, also need not increase the cost of establishing an antenna in addition after adopting technical scheme of the present invention.
Above content is to combine concrete optimal technical scheme to the further explain that the present invention did, and can not assert that practical implementation of the present invention is confined to these explanations.For the those of ordinary skill of technical field under the present invention, under the prerequisite that does not break away from the present invention's design, can also make some simple deduction or replace, all should be regarded as belonging to protection scope of the present invention.
Claims (9)
1. portable terminal that is provided with shared built-in, it is characterized in that: said portable terminal comprises built-in GSM antenna and built-in FM antenna, said built-in FM antenna and said built-in GSM antenna are the same antenna; Said built-in GSM antenna is the antenna of band grounding leg; Said portable terminal comprises circuit board (1); Said circuit board (1) is provided with frequency selection circuit (2), antenna lower margin contact chip (3), antenna feed pin contact chip (4), FM chip (27), GSM demultiplexing circuit (6) and FM demultiplexing circuit (5); Between said antenna feed pin contact chip (4) and the said FM chip (27) said FM demultiplexing circuit (5) is set; Between said antenna feed pin contact chip (4) and GSM circuit (28), said GSM demultiplexing circuit (6) is set, between the ground of said antenna lower margin contact chip (3) and said circuit board (1) said frequency selection circuit (2) is set.
2. portable terminal that is provided with shared built-in, it is characterized in that: said portable terminal comprises built-in GSM antenna and built-in FM antenna, said built-in FM antenna and said built-in GSM antenna are the same antenna; Said built-in GSM antenna is the antenna of band grounding leg; Said portable terminal comprises circuit board (1); Said circuit board (1) is provided with frequency selection circuit (2), antenna lower margin contact chip (3), antenna feed pin contact chip (4), FM chip (27), GSM demultiplexing circuit (6) and FM demultiplexing circuit (5); Said FM demultiplexing circuit (5) is arranged between said antenna lower margin contact chip (3) and the said FM chip (27); Between said antenna feed pin contact chip (4) and GSM circuit (28), said GSM demultiplexing circuit (6) is set, between the ground of said antenna lower margin contact chip (3) and said circuit board (1) said frequency selection circuit (2) is set.
3. portable terminal that is provided with shared built-in, it is characterized in that: said portable terminal comprises built-in GSM antenna and built-in FM antenna, said built-in FM antenna and said built-in GSM antenna are the same antenna; Said built-in GSM antenna is not for the antenna of grounding leg; Said portable terminal comprises circuit board (1); Said circuit board (1) is provided with antenna feed pin contact chip (4), FM chip (27), GSM demultiplexing circuit (6) and FM demultiplexing circuit (5); Place said FM demultiplexing circuit (5) between said antenna feed pin contact chip (4) and the said FM chip (27), between said antenna feed pin contact chip (4) and GSM circuit (28), said GSM demultiplexing circuit (6) is set.
4. according to claim 1 or claim 2 or the said portable terminal that is provided with shared built-in of claim 3; It is characterized in that: said GSM antenna is the built-in communication antenna of portable terminal; Comprise 2G antenna, 2.5G antenna, 2.75G antenna, 3G antenna or 4G antenna; Wherein, said 2G antenna comprises GSM850, GSM900, DCS1800, PCS1900 or CDMA antenna.
5. according to claim 1 or claim 2 or the said portable terminal that is provided with shared built-in of claim 3; It is characterized in that: said portable terminal connects external FM antenna; Said external FM antenna and said built-in FM antenna switch through a radio frequency commutation circuit device, and perhaps built-in FM antennas paths and external FM antennas paths directly connect together through radio-frequency transmission line.
6. the method for sharing of a portable terminal built-in aerial; It is characterized in that: the method for sharing of said portable terminal built-in aerial has used the portable terminal that is provided with shared built-in according to claim 1; Said portable terminal comprises built-in GSM antenna and built-in FM antenna; Said built-in GSM antenna and said built-in FM antenna are the same antenna, and said built-in GSM antenna is the antenna of band grounding leg, and its method for sharing is: for the GSM signal; The lower margin of built-in GSM antenna communicates with the ground of the interior circuit board (1) that is provided with of portable terminal through antenna lower margin contact chip (3) and frequency selection circuit (2); The feedback pin of said built-in GSM antenna communicates with GSM circuit (28) through antenna feed pin contact chip (4) and GSM demultiplexing circuit (6), and isolates with FM chip (27), and the GSM antenna operate as normal of band lower margin is at the GSM antenna condition; For the FM signal; The ground of the circuit board (1) that is provided with in the lower margin of GSM antenna and the portable terminal is in isolation; The antenna feed pin communicates with FM chip (27) through antenna feed pin contact chip (4) and FM demultiplexing circuit (5), and isolates with GSM circuit (28), and the GSM antenna is operated in the FM antenna condition.
7. according to the method for sharing of the said portable terminal built-in aerial of claim 6, can be used on the built-in FM transmitting antenna of portable terminal, perhaps be used on the built-in television antennas such as simulated television, DTV CMMB, TDMB, DVB/T.
8. the method for sharing of a portable terminal built-in aerial; It is characterized in that: the method for sharing of said portable terminal built-in aerial has used like the said portable terminal that is provided with shared built-in of claim 3; Said portable terminal comprises built-in GSM antenna and built-in FM antenna, and said built-in GSM antenna and said built-in FM antenna are the same antenna, and the GSM antenna that is provided with in the said portable terminal is not for the antenna of grounding leg; Its method for sharing is: for the GSM signal; The feedback pin of built-in GSM antenna communicates with GSM circuit (28) through antenna feed pin contact chip (4) and GSM demultiplexing circuit (6), and isolates with FM chip (27), and antenna is operated in the GSM antenna condition; For the FM signal, the antenna feed pin communicates with FM chip (27) through antenna feed pin contact chip (4) and FM demultiplexing circuit (5), and isolates with GSM circuit (28), and the GSM antenna is operated in the FM antenna condition.
9. the method for sharing of said according to Claim 8 portable terminal built-in aerial can be used on the built-in FM transmitting antenna of portable terminal, perhaps is used on the built-in television antennas such as simulated television, DTV CMMB, TDMB, DVB/T.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101215286A CN101807935B (en) | 2010-03-05 | 2010-03-05 | Mobile terminal with shared built-in aerial and method for sharing built-in aerial |
| PCT/CN2010/078712 WO2011106980A1 (en) | 2010-03-05 | 2010-11-15 | Mobile terminal with shared built-in antenna and method for sharing built-in antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101215286A CN101807935B (en) | 2010-03-05 | 2010-03-05 | Mobile terminal with shared built-in aerial and method for sharing built-in aerial |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101807935A CN101807935A (en) | 2010-08-18 |
| CN101807935B true CN101807935B (en) | 2012-02-22 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010101215286A Active CN101807935B (en) | 2010-03-05 | 2010-03-05 | Mobile terminal with shared built-in aerial and method for sharing built-in aerial |
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| Country | Link |
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| CN (1) | CN101807935B (en) |
| WO (1) | WO2011106980A1 (en) |
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|---|---|---|---|---|
| CN101807935B (en) * | 2010-03-05 | 2012-02-22 | 深圳市南斗星科技有限公司 | Mobile terminal with shared built-in aerial and method for sharing built-in aerial |
| CN102457460A (en) * | 2010-10-28 | 2012-05-16 | 中兴通讯股份有限公司 | Device and method for using radio frequency antenna as FM (Frequency Modulation) modulating antenna |
| CN102014210B (en) * | 2010-12-08 | 2013-10-02 | 惠州Tcl移动通信有限公司 | Mobile terminal of antenna shared by analog TV (ATV) and frequency modulation (FM) broadcast |
| CN102637946B (en) * | 2011-02-14 | 2015-06-03 | 中兴通讯股份有限公司 | Frequency modulation (FM) antenna implementation device and mobile terminal |
| CN102185177A (en) * | 2011-02-25 | 2011-09-14 | 中兴通讯股份有限公司 | Device for realizing frequency-modulated antenna and mobile terminal |
| CN102891697B (en) * | 2011-07-22 | 2016-01-13 | 联想移动通信科技有限公司 | A kind of terminal equipment |
| CN202308282U (en) | 2011-08-15 | 2012-07-04 | 中兴通讯股份有限公司 | Near field communication (NFC) and frequency modulation (FM) common antenna |
| CN102594383A (en) * | 2011-12-31 | 2012-07-18 | 中兴通讯股份有限公司 | Realization method and device of internal antennas of mobile television and FM (Frequency Modulation) receiver |
| CN102646875A (en) * | 2012-05-03 | 2012-08-22 | 中兴通讯股份有限公司南京分公司 | Antenna and terminal |
| CN102780793B (en) * | 2012-07-20 | 2016-02-10 | 惠州Tcl移动通信有限公司 | The mobile terminal of compatible built-in aerial and external antenna function |
| CN108183719A (en) * | 2017-12-28 | 2018-06-19 | 上海展扬通信技术有限公司 | Antenna circuit and modulating FM Signal Regulation method |
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| KR100754631B1 (en) * | 2005-03-02 | 2007-09-05 | 삼성전자주식회사 | Apparatus of common antenna |
| CN101557030B (en) * | 2008-04-10 | 2012-08-08 | 广达电脑股份有限公司 | Multi-frequency antenna |
| CN101521699A (en) * | 2009-03-26 | 2009-09-02 | 中兴通讯股份有限公司 | Mobile phone receiving frequency modulated signal by using built-in aerial and method thereof |
| CN101807935B (en) * | 2010-03-05 | 2012-02-22 | 深圳市南斗星科技有限公司 | Mobile terminal with shared built-in aerial and method for sharing built-in aerial |
| CN201656968U (en) * | 2010-03-05 | 2010-11-24 | 深圳市南斗星科技有限公司 | Mobile terminal provided with shared internal antenna |
-
2010
- 2010-03-05 CN CN2010101215286A patent/CN101807935B/en active Active
- 2010-11-15 WO PCT/CN2010/078712 patent/WO2011106980A1/en active Application Filing
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009070100A1 (en) * | 2007-11-30 | 2009-06-04 | Laird Technologies Ab | Antenna device and portable radio communication device comprising such antenna device |
| CN101316111A (en) * | 2008-07-23 | 2008-12-03 | 嘉兴闻泰通讯科技有限公司 | Mobile terminal headphone |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2011106980A1 (en) | 2011-09-09 |
| CN101807935A (en) | 2010-08-18 |
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