CN100530819C - Blue-tooth antenna of mobile communication terminal - Google Patents
Blue-tooth antenna of mobile communication terminal Download PDFInfo
- Publication number
- CN100530819C CN100530819C CNB2005100706881A CN200510070688A CN100530819C CN 100530819 C CN100530819 C CN 100530819C CN B2005100706881 A CNB2005100706881 A CN B2005100706881A CN 200510070688 A CN200510070688 A CN 200510070688A CN 100530819 C CN100530819 C CN 100530819C
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- Prior art keywords
- mentioned
- emission part
- electric wire
- bluetooth antenna
- layer
- 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.)
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Classifications
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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
-
- 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
- H01Q1/2291—Supports; Mounting means by structural association with other equipment or articles used in bluetooth or WI-FI devices of Wireless Local Area Networks [WLAN]
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q1/00—Details of, or arrangements associated with, antennas
- H01Q1/36—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith
- H01Q1/38—Structural form of radiating elements, e.g. cone, spiral, umbrella; Particular materials used therewith formed by a conductive layer on an insulating support
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q9/00—Electrically-short antennas having dimensions not more than twice the operating wavelength and consisting of conductive active radiating elements
- H01Q9/04—Resonant antennas
- H01Q9/0407—Substantially flat resonant element parallel to ground plane, e.g. patch antenna
Abstract
The invention discloses a blue-tooth antenna of mobile communication terminal, comprising: grounding part, emitting part, wire donating part which are placed in reversed F type. The grounding part is placed under the first circuit board and connected on top of the second circuit board radial arranged to the first circuit board in a certain distance. The emitting part is placed on top of the second circuit board whose terminal connects tot eh grounding part so as to send or receive specific frequency signal. The wire donating part makes the signal transmit along the top of the first circuit board form at the conducting hole of the first circuit board and transmit to the emitting part perpendicularly. The invention is able to be installed in plural position in the terminal without extra parts so as to select position simply and reduce the producing cost. Moreover, the invention comprises the module structure with an adjustable emitting mode so as to easily enlarge the bandwidth of the emitting frequency and adjust the emitting mode.
Description
Technical field
The present invention relates to the Bluetooth antenna structure of mobile communication terminal, especially relate to the Bluetooth antenna structure that has easy antenna structure and can enlarge the above-mentioned beamwidth of antenna and regulate the small-sized mobile communication terminal of radiation pattern.
Background technology
Recently, mobile communication terminal is required the execution of miniaturization, lightening and multiple function.Tackle this requirement, its trend is to embody the listing of the mobile communication terminal that possesses bluetooth (bluetooth) device of multiple function.
Above-mentioned bluetooth refers to wireless connections such as closely computer and mobile communication terminal, household electrical appliances, can carry out the specification of real time bidirectional communication or meet the product of its specification, it can carry out complex functions such as wireless headset, network connection, intercom, radio telephone.
And above-mentioned bluetooth is applicable to mobile communication terminal, the ecommerce such as method of payment of automatic defrayment in the time of can using the automatic vending machine that utilizes mobile communication terminal maybe can take subway.
In addition,, can send or receive data, and can be connected with peripheral devices such as loud speakers by wireless connections such as above-mentioned mobile communication terminal and notebook computer or computers.
But above-mentioned mobile communication terminal will be installed blue-tooth device, must possess bluetooth module and Bluetooth antenna, thereby needs exceptional space, therefore requires the miniaturization of above-mentioned blue-tooth device.
In addition, the main antenna that sends or receive data by mobile radio communication is positioned on the optimum position of transmitt or receive signal, therefore, above-mentioned mobile communication terminal needs to arrange the Bluetooth antenna of putting in multiple position, and, must shield in order not allow it arrange other circuit that send collection of letters effect of signals adjacency of seated position.
For addressing the above problem, can use the antenna that carries out miniaturization with chip component, but must use intrinsic electric body, so its power consumption increases and reduced the interests characteristic of above-mentioned antenna for the miniaturization of said chip type antenna.
And, possess said chip type antenna in addition for using bluetooth module, thereby require additional expenses.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of Bluetooth antenna of mobile communication terminal, thereby utilizes the mobile communication terminal internal structure and be formed on a plurality of positions and can enlarge the above-mentioned beamwidth of antenna and regulate radiation pattern with small-sized.
For achieving the above object, according to mobile communication terminal Bluetooth antenna of the present invention, it is characterized in that: comprise grounding parts, emission part and give electric wire portion, and with contrary F type formation, wherein, grounding parts be formed on first circuit board below, and be vertically connected at a certain distance with above-mentioned first circuit board be separated by second circuit board that row puts above; Emission part be formed on above-mentioned second circuit board above, thereby it terminal be connected transmission or receive specific frequency signal with above-mentioned grounding parts; Make the signal perforation of above above-mentioned first circuit board, passing on be formed on the via of above-mentioned first circuit board and vertically be communicated to above-mentioned emission part for the connection of electric wire portion.
The Bluetooth antenna of mobile communication terminal of the present invention is because of on the small-sized a plurality of positions that are arranged in the above-mentioned terminal, thus chosen position easily, and do not need other parts and reduce producing cost.In addition, the present invention includes the model structure of scalable radiation pattern, thereby enlarge the bandwidth of tranmitting frequency easily and regulate radiation pattern easily, improve the reliability of product.
Description of drawings
Fig. 1 is the simple sectional view according to the Bluetooth antenna structure of mobile communication terminal of the present invention;
Fig. 2 is the shaped cross figure that Bluetooth antenna according to the present invention is embodied in mobile communication terminal;
Fig. 3 is the schematic diagram of the mobile communication terminal Bluetooth antenna of the 1st embodiment according to the present invention;
Fig. 4 is the schematic diagram of the mobile communication terminal Bluetooth antenna of the 2nd embodiment according to the present invention;
Fig. 5 is the emission regulative mode schematic diagram according to Bluetooth antenna emission adjusting portion of the present invention.
Wherein, Reference numeral:
10: ground plane 20: emission part
30: give electric wire portion 31: give electric point
40: the emission adjusting portion
Embodiment
Below in conjunction with the description of drawings embodiments of the invention.
Fig. 1 is the simple sectional view of Bluetooth antenna structure according to mobile communication terminal of the present invention.
According to the Bluetooth antenna of mobile communication terminal of the present invention, comprise emission part 20, grounding parts 10 and give electric wire portion 30.Emission part 20 sends or receives the signal of characteristic frequency; Grounding parts 10 is separated by at a certain distance to arrange to put with above-mentioned emission part 20 and is made its vertical connection; Signal that to send or receive for electric wire portion 30 is communicated to above-mentioned emission part 20.Thereby form the contrary F type antenna of 90 ° of rotation F types in above-mentioned grounding parts 10 lower ends.
At this moment, the earth connection 11 that is connected to above-mentioned grounding parts 10 from above-mentioned emission part 20 ends forms the backward channel (return path) of the signal of supplying to above-mentioned emission part 20, thereby makes the signal of passing on from the upper end of above-mentioned grounding parts 10 vertically be communicated to above-mentioned emission part 20 along electric wire 32 above-mentioned comprising to electricity point 31 to electric wire portion 30.Therefore, can carry out the antenna emission by the air layer between above-mentioned emission part 20 and the grounding parts 10 with certain electric capacity rate.
Simultaneously, above-mentioned Bluetooth antenna along with between the length L of the length H of above-mentioned earth connection 11, above-mentioned emission part 20 and above-mentioned earth connection 11 and the electric wire 32 apart from S, change its characteristic.
Especially, what the length L of above-mentioned emission part determined above-mentioned antenna send collection of letters operating frequency, when above-mentioned antenna transmission or when receiving the signal of 2.45GHz wave band, thereby be that the length of 3.06cm forms the frequency signal that above-mentioned emission part 20 sent or received above-mentioned wave band with 1/4 of above-mentioned signal wavelength.
Fig. 2 is the shaped cross figure that Bluetooth antenna according to the present invention is embodied in mobile communication terminal; Fig. 3 is the schematic diagram of the mobile communication terminal Bluetooth antenna of the 1st embodiment according to the present invention; Fig. 4 is the schematic diagram of the mobile communication terminal Bluetooth antenna of the 2nd embodiment according to the present invention.
When the mobile communication terminal of built-in Bluetooth antenna of the present invention is formed with more than one PCB (printedcircuit board-printed circuit board (PCB)) at least, the grounding parts 10 of above-mentioned antenna be formed on first circuit board 50a below, be vertically connected at a certain distance with above-mentioned first circuit board 50a be separated by second circuit board 50b that row puts above.
And, above-mentioned emission part 20 be formed on above-mentioned second circuit board 50b above, thereby it terminal be connected transmission or receive specific frequency signal with above-mentioned grounding parts 10; Above-mentioned connection to electric wire portion 30 connects the signal of passing on and is formed on the via (via hole) of above-mentioned first circuit board 50a and vertically is communicated to above-mentioned emission part 20 above above-mentioned first circuit board 50a.
When above-mentioned mobile communication terminal was made up of main PCB and keypad PCB, main PCB was provided with all main circuits of action of control, and keypad PCB controls the keypad action of above-mentioned terminal.At this moment, above-mentioned first circuit board 50a is keypad PCB, and above-mentioned second circuit board 50b is a main PCB.
And above-mentioned antenna forms certain circuit board, can embody by a plurality of layers with different permittivity.
Under above-mentioned a plurality of layers of situation about embodying, the emission part 20 of above-mentioned Bluetooth antenna be formed on ground floor (not shown) with certain permittivity above, can receive or send specific frequency signal, above-mentioned grounding parts 10 be formed on the row of being separated by place above-mentioned ground floor upper end the second layer (not shown) below, connect the 3rd layer and be vertically connected at the end of above-mentioned emission part 20, the 3rd layer between the above-mentioned ground floor and the second layer and have a permittivity that is different from above-mentioned ground floor.
And the above-mentioned signal of making for electric wire portion 30 to pass on above the above-mentioned second layer is by for connecting the above-mentioned second layer and the 3rd layer of via that forms (via hole) vertically is communicated to above-mentioned emission part 20.
At this moment, the above-mentioned antenna that embodies by above-mentioned each circuit board or layer forms with conducting wire.
Above-mentioned emission part 20 forms with line style substantially, but can control the operating frequency of above-mentioned antenna by the length L of regulating above-mentioned emission part, when above-mentioned emission part 20 forms with the plane with width, can form the antenna more small-sized than line style on foregoing circuit plate or layer.
Above-mentioned antenna also comprises emission adjusting portion 40, is formed on the following of the above-mentioned second circuit board or the second layer and corresponding with above-mentioned emission part 20, and can send the radiation pattern of collection of letters signal by the position adjustments of regulating counterpart.
Fig. 5 is the emission regulative mode schematic diagram according to Bluetooth antenna emission adjusting portion of the present invention.
Be formed on the following of the above-mentioned second circuit board 50b or the second layer and corresponding according to the emission adjusting portion 40 of Bluetooth antenna of the present invention with model structure with above-mentioned emission part 20, by and above-mentioned emission part 20 between interaction, can enlarge the frequency band that send collection of letters signal.
Especially, because of the permittivity of above-mentioned first and second circuit board or above-mentioned first and second layer than being present in air layer between above-mentioned each circuit board or the layer or the 3rd layer permittivity, above-mentioned emission adjusting portion 40 can move the control radiation pattern by the position of emission adjusting portion 40.
Promptly, above-mentioned emission adjusting portion 40 is a benchmark with above-mentioned emission part 20, will the part position corresponding respectively change into vertical Y, horizontal X with above-mentioned emission part 20, to angular direction Z, according to the direction of the radiation pattern of the above-mentioned emission part 20 of position-adjustable that changes, thereby can form the antenna that can embody required emission characteristics.
Above-mentioned emission adjusting portion 40 forms with size that can be identical with above-mentioned emission part 20 or identical shape, but does not limit its size or shape.
As mentioned above; with reference to description of drawings the Bluetooth antenna of mobile communication terminal of the present invention; but embodiment and accompanying drawing that the present invention is not limited in this specification to be put down in writing; thereby technological thought of the present invention is at a plurality of layers with certain permittivity or forms the embodiment small size antenna with conducting wire that on circuit board technological thought of the present invention can be used by the practitioner easily in shielded scope.
The Bluetooth antenna of mobile communication terminal of the present invention utilizes the internal structure of mobile communication terminal to be formed on circuit board or the interior a plurality of layers of circuit board, it is because of on the small-sized a plurality of positions that are arranged in the above-mentioned terminal, thereby easy chosen position, and do not need other parts and reduce producing cost.
In addition, the present invention includes the model structure of scalable radiation pattern, thereby enlarge the wave band width of cloth of tranmitting frequency easily and regulate radiation pattern easily, improve the reliability of product.
Certainly; the present invention also can have other various embodiments; under the situation that does not deviate from spirit of the present invention and essence thereof; those of ordinary skill in the art work as can make various corresponding changes and distortion according to the present invention, but these corresponding changes and distortion all should belong to the protection range of the appended claim of the present invention.
Claims (8)
1. the Bluetooth antenna of a mobile communication terminal, it is characterized in that: comprise grounding parts, emission part and give electric wire portion, and form, wherein with contrary F type, grounding parts be formed on ground floor below, and be vertically connected at a certain distance with above-mentioned ground floor be separated by the second layer that row puts above; Emission part be formed on the above-mentioned second layer above, thereby its end is connected with above-mentioned grounding parts through an earth connection and sends or receive specific frequency signal; Comprise that one gives an electricity point and an electric wire for electric wire portion, should make the signal of above above-mentioned ground floor, passing on connect the via that is formed on above-mentioned ground floor to the connection of electric wire portion and vertically be communicated to above-mentioned emission part through electric wire;
Also comprise one the 3rd layer, between the above-mentioned ground floor and the second layer, and have the permittivity that is different from above-mentioned ground floor;
Wherein, the distance between the length of this earth connection, the length of this emission part and this earth connection and the electric wire changes the characteristic of this Bluetooth antenna, and the length of this emission part determine this Bluetooth antenna send collection of letters operating frequency.
2. the Bluetooth antenna of a mobile communication terminal, it is characterized in that: comprise emission part, grounding parts and give electric wire portion, and form, wherein with contrary F type, emission part be formed on ground floor with certain permittivity above, can receive or send specific frequency signal; Grounding parts be formed on the row of being separated by place above-mentioned ground floor upper end the second layer below, connect the 3rd layer and be vertically connected at the end of above-mentioned emission part through an earth connection, the 3rd layer between the above-mentioned ground floor and the second layer and have a permittivity that is different from above-mentioned ground floor; Comprise that one gives an electricity point and an electric wire for electric wire portion, the signal that make for electric wire portion to pass on above the above-mentioned second layer is by for connecting the above-mentioned second layer, and the 3rd layer and the via of formation vertically is communicated to above-mentioned emission part through electric wire;
Wherein, the distance between the length of this earth connection, the length of this emission part and this earth connection and the electric wire changes the characteristic of this Bluetooth antenna, and the length of this emission part determine this Bluetooth antenna send collection of letters operating frequency.
3. the Bluetooth antenna of mobile communication terminal according to claim 1 and 2 is characterized in that: above-mentioned emission part with plane be formed on the above-mentioned second layer above.
4. the Bluetooth antenna of mobile communication terminal according to claim 1 and 2 is characterized in that: above-mentioned emission part with line style be formed on the above-mentioned second layer above.
5. the Bluetooth antenna of mobile communication terminal according to claim 1 and 2, it is characterized in that: above-mentioned Bluetooth antenna also comprises the emission adjusting portion, be formed on the following of the above-mentioned second layer and corresponding with above-mentioned emission part, and can send the radiation pattern of collection of letters signal by the position adjustments of regulating counterpart, and this emission adjusting portion and the interaction of this emission part can enlarge the frequency band that send collection of letters signal.
6. the Bluetooth antenna of mobile communication terminal according to claim 5 is characterized in that: above-mentioned emission adjusting portion forms with size identical with above-mentioned emission part or identical shape.
7, the Bluetooth antenna of mobile communication terminal according to claim 1 and 2, it is characterized in that:, thereby be that the length of 3.06cm forms the frequency signal that above-mentioned emission part sent or received above-mentioned wave band with 1/4 of above-mentioned signal wavelength when above-mentioned antenna transmission or when receiving the signal of 2.45GHz wave band.
8. the Bluetooth antenna of a mobile communication terminal, it is characterized in that: comprise grounding parts, emission part and give electric wire portion, and with contrary F type formation, wherein, grounding parts be formed on first circuit board below, and be vertically connected at a certain distance with above-mentioned first circuit board be separated by second circuit board that row puts above; Emission part be formed on above-mentioned second circuit board above, thereby its end is connected with above-mentioned grounding parts through an earth connection and sends or receive specific frequency signal; Comprise that one gives an electricity point and an electric wire for electric wire portion, should make the signal of above above-mentioned first circuit board, passing on connect the via that is formed on above-mentioned first circuit board to the connection of electric wire portion and vertically be communicated to above-mentioned emission part through electric wire;
Wherein, the distance between the length of this earth connection, the length of this emission part and this earth connection and the electric wire changes the characteristic of this Bluetooth antenna, and the length of this emission part determine this Bluetooth antenna send collection of letters operating frequency.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020040094156A KR100624797B1 (en) | 2004-11-17 | 2004-11-17 | Bluetooth Antenna for Mobile Communication Terminal |
| KR1020040094156 | 2004-11-17 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1776961A CN1776961A (en) | 2006-05-24 |
| CN100530819C true CN100530819C (en) | 2009-08-19 |
Family
ID=36766332
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2005100706881A Expired - Fee Related CN100530819C (en) | 2004-11-17 | 2005-05-18 | Blue-tooth antenna of mobile communication terminal |
Country Status (2)
| Country | Link |
|---|---|
| KR (1) | KR100624797B1 (en) |
| CN (1) | CN100530819C (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102340049B (en) * | 2010-07-27 | 2014-09-17 | 启碁科技股份有限公司 | Broadband antenna |
| CN103943948B (en) * | 2014-04-09 | 2016-04-06 | 中名(东莞)电子有限公司 | For the collapsible pcb board helical antenna of In-Ear wireless headset |
| KR101792415B1 (en) * | 2015-12-30 | 2017-11-02 | 삼성전기주식회사 | Ant communication apparatus with improved isolation between antennas |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3464109B2 (en) | 1996-12-25 | 2003-11-05 | 京セラ株式会社 | Manufacturing method of ceramic planar antenna |
| SE515832C2 (en) * | 1999-12-16 | 2001-10-15 | Allgon Ab | Slot antenna arrangement |
| JP2002158535A (en) | 2000-11-21 | 2002-05-31 | Mitsubishi Electric Corp | Antenna device |
| KR100581714B1 (en) * | 2003-12-26 | 2006-05-22 | 인탑스 주식회사 | Planer inverted F-Type internal antenna using a electromagnetic coupling feeding method |
-
2004
- 2004-11-17 KR KR1020040094156A patent/KR100624797B1/en not_active IP Right Cessation
-
2005
- 2005-05-18 CN CNB2005100706881A patent/CN100530819C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| KR100624797B1 (en) | 2006-09-18 |
| KR20060053724A (en) | 2006-05-22 |
| CN1776961A (en) | 2006-05-24 |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: LANGCHAO LEJIN DIGITAL MOBILE COMMUNICATION CO., L Free format text: FORMER OWNER: LG ELECTRONICS (CHINA) R + D CENTER CO., LTD. Effective date: 20120322 |
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| C41 | Transfer of patent application or patent right or utility model | ||
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Free format text: CORRECT: ADDRESS; FROM: 100102 CHAOYANG, BEIJING TO: 264001 YANTAI, SHANDONG PROVINCE |
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| TR01 | Transfer of patent right |
Effective date of registration: 20120322 Address after: 264001 No. 228 Changjiang Road, Yantai economic and Technological Development Zone, Shandong, China Patentee after: Langchao Lejin Digital Mobile Communication Co., Ltd. Address before: Two Beijing 100102 Chaoyang District city in Wangjing Lize Park No. 203 Petrova building block B Patentee before: LG Electronic (China) Research and Development Center Co., Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090819 Termination date: 20180518 |
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| CF01 | Termination of patent right due to non-payment of annual fee |