CN2765337Y - Wideband multiloop mobile terminal antenna - Google Patents
Wideband multiloop mobile terminal antenna Download PDFInfo
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- CN2765337Y CN2765337Y CN 200520000478 CN200520000478U CN2765337Y CN 2765337 Y CN2765337 Y CN 2765337Y CN 200520000478 CN200520000478 CN 200520000478 CN 200520000478 U CN200520000478 U CN 200520000478U CN 2765337 Y CN2765337 Y CN 2765337Y
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Abstract
The utility model relates to a wide frequency band multiloop mobile terminal antenna which comprises a metal conductor part and a supporting body used for bearing the metal conductor, wherein the metal conductor part is electrically connected with a mobile terminal main board and comprises at least two signal loops, each signal loop starts from the same common feeding point and ends at grounding points, wherein at least two of the signal loops have the grounding points which are positioned on different physical locations. The antenna not only can overlay a plurality of frequency bands, realize multiple frequency band resonance, causes the mobile terminals (such as mobile phones) of the antenna to be able to be sold and used with global range provides convenience for the material management of production manufacturers and is convenient for manufacturers for reducing cost, but also can realize well matching under multiple using states, and in addition, the utility model has the characteristics of high efficiency and high gain enhancing speech quality, enlarging signal coverage areas and prolonging speech and stand-by time.
Description
Technical field:
The utility model relates to the antenna of a kind of portable terminal (as mobile phone, mobile PDA, intelligent movable phone, mobile POS machine, WLAN terminal etc.), relates in particular to the multiloop mobile terminal antenna of a kind of broadband, high-gain.
Background technology:
Development along with the mobile communication industry, the demand of mobile terminal antenna towards multiband (for example: GSM800/900/1800/1900Hz, WLAN2.4GHz/5.1GHz/5.8GHz etc.), high-gain, many user modes (as folding machine open and the state that closes, hand holding state, waist are hung state or are kept flat on the table state etc.) direction develop.Existing mobile terminal antenna comprises external and built-in two kinds.Built-in antenna is attractive in appearance, mobile phone is easy to carry, the antenna shatter-resistant is not fragile, therefore adopts the mobile phone of built-in antenna more and more general.Monopole (or spiral) antenna that built-in antenna comprises various PIFA (reversed F-typed) antenna and is similar to the external antenna technology.Because built-in aerial is wanted little, the compact conformation of cube, therefore be not easy to realize the performance of multiband, high-gain, the matched well of a plurality of frequency ranges under the more difficult realization multimode.Only cover GSM900/GSM1800 or two frequency ranges of GSM800/GSM1900 as a lot of built-in aerials, what have can cover three frequency band GSM 900/GSM1800/GSM1900 or GSM800/GSM1800/GSM1900M.The complete machine manufacturer of mobile phone urgently wishes to produce 4 frequency range mobile phones, and 4 frequency range mobile phones can be sold towards the world market.If can not research and develop and produce 4 frequency range mobile phones, just can only come towards different market with two 3 frequency range mobile phones, same type need be researched and developed and produce two different models, and this makes troubles for production and handling of goods and materials, is unfavorable for reducing cost.
High performance antenna is most important to the performance of mobile phone.Adopt high performance antenna can realize high-quality signal transmission, prolong conversation and stand-by time, expansion signal coverage etc.A lot of companies are devoted to research and develop high performance multi-band internal antenna.US2004/0075610 U.S. application for a patent for invention as the disclosed Siemens application on April 22 in 2004 of United States Patent (USP) trademark office, a kind of PIFA antenna equipment that is used for communication terminal is disclosed, referring to accompanying drawing 1A, this antenna equipment comprises two antenna planes that are connected to different earth points respectively, first antenna plane is used to receive the signal of two separate frequency bands, second antenna plane is used to receive the signal of the 3rd frequency range, only first antenna plane is connected with the radio frequency input/output end port, first antenna plane surrounds second antenna plane, and electromagnetic coupled can take place for the two.This antenna is expanded bandwidth by the mode of the coupling sticking patch (i.e. second antenna plane 1000) of a ground connection of increase, has realized the resonance of the 3rd frequency range except that two frequency ranges of original PIFA antenna.Another piece on March 20th, 2003 is disclosed, by the US2003/0052824 U.S. application for a patent for invention of Nokia's application, disclosed a kind of built-in multi-frequency band antenna that improves emission effciency, shown in Figure 1B, it also is to realize multiband by increasing ground connection coupling sticking patch 1000.Another kind of improvement project is to expand bandwidth by the mode that increases the loop number, and shown in Fig. 1 (c), this scheme is not because each loop has independently earth point, and actual effect is unsatisfactory.Although above-mentioned various improvement project relatively prior art has certain progress, but still achieve no breakthrough and realize 4 frequency ranges; Efficient is not high yet in addition, can not realize good antenna match and high-gain under multiband, the many user modes well.
Summary of the invention:
The technical problems to be solved in the utility model is the deficiency that overcomes above-mentioned prior art, a kind of wide band multiloop mobile terminal antenna is provided, it can not only cover a plurality of frequency ranges, realize multiband resonance, make the portable terminal (as mobile phone) that this antenna is installed to sell in the world market and to use, made things convenient for production firm handling of goods and materials, help producer and reduce production costs; And can realize matched well under a plurality of frequency ranges, the many user modes, also have the characteristics of high efficiency, high-gain in addition, thereby improve speech quality, enlarge signal coverage, prolong conversation and stand-by time.
The broadband multiloop mobile terminal antenna that provides according to the utility model, the carrier that comprises metal conductor portion and the described metal conductor portion of carrying, described metal conductor portion is electrically connected with the portable terminal mainboard, described metal conductor portion comprises at least two signal circuits, each described signal circuit originates in same common feed point, ends at earth point; Wherein have at least two described signal circuits to have the described earth point that is positioned at different physical locations.
Broadband multiloop mobile terminal antenna according to the utility model provides also has following attached technical characterictic:
At least one described signal circuit has one or more conductor branch, an end of described conductor branch be connected on the described signal circuit except that described earth point more arbitrarily, the other end suspends.
In first kind of preferred embodiment that the utility model provides, described metal conductor portion comprises two described signal circuits, be respectively first signal circuit and secondary signal loop, described secondary signal loop surrounds described first signal circuit fully, and the two has one section common conductor.
In second kind of preferred embodiment that the utility model provides, described metal conductor portion comprises two described signal circuits, be respectively first signal circuit and secondary signal loop, described secondary signal loop feature is surrounded described first signal circuit, and the two has one section common conductor.
In the third preferred embodiment that the utility model provides, described metal conductor portion comprises two described signal circuits, be respectively first signal circuit and secondary signal loop, the two has one section common conductor, and the other parts in described first signal circuit and secondary signal loop lay respectively at the both sides of described common conductor.
In the 4th kind of preferred embodiment that the utility model provides, described metal conductor portion comprises two described signal circuits, be respectively first signal circuit and secondary signal loop, described first signal circuit and secondary signal loop do not have other public part except that having described common feed point.
As a kind of execution mode of above preferred embodiment, described first signal circuit has a described conductor branch; Or described secondary signal loop has a described conductor branch; The length of described conductor branch is 0.1 to 80 millimeter, and the tie point of itself and described signal circuit is 10% to 90% of this signal circuit conductor total length to the distance of described distributing point.
As the another kind of execution mode of above preferred embodiment, described first signal circuit and secondary signal loop respectively have a described conductor branch; The length of described conductor branch is 0.1 to 80 millimeter, and the tie point of itself and described signal circuit is 10% to 90% of this signal circuit conductor total length to the distance of described distributing point.
As another execution mode of above preferred embodiment, described first signal circuit has two described conductor branch, or described secondary signal loop has two described conductor branch; The length of described conductor branch is 0.1 to 80 millimeter, and the tie point of itself and described signal circuit is 10% to 90% of this signal circuit conductor total length to the distance of described distributing point.
According to design, result calculated, also available each signal circuit of conductor brace short circuit, thus constitute more signal circuit.As the another kind of execution mode of above preferred embodiment, described first signal circuit can be connected by at least one conductor brace in the part beyond the common conductor with the secondary signal loop.
In the above preferred embodiment that provides, the length of described common conductor is 0.1 to 80 millimeter.
In the 5th kind of preferred embodiment that the utility model provides, described metal conductor portion comprises three described signal circuits, is respectively first signal circuit, secondary signal loop and the 3rd signal circuit, and three signal circuits have one section common conductor.
In the 6th kind of preferred embodiment that the utility model provides, described metal conductor portion comprises three described signal circuits, be respectively first signal circuit, secondary signal loop and the 3rd signal circuit, three bars loops do not have other public part except that having described common feed point.
As a kind of execution mode of above preferred embodiment, described first signal circuit, secondary signal loop and the 3rd signal circuit have respectively had a strip conductor branch; The length of described conductor branch is 0.1 to 80 millimeter, and the tie point of itself and described signal circuit is 10% to 90% of this signal circuit conductor total length to the distance of described distributing point.
As the another kind of execution mode of above preferred embodiment, one or two bars loops in described first signal circuit, secondary signal loop and the 3rd signal circuit have two strip conductor branches, and other signal circuit has a strip conductor branch; The length of described conductor branch is 0.1 to 80 millimeter, and the tie point of each described conductor branch and described signal circuit is 10% to 90% of this signal circuit conductor total length to the distance of described distributing point.
According to the result of design, also available each signal circuit of conductor brace short circuit, thus constitute more signal circuit.A kind of execution mode as above preferred embodiment, described first signal circuit can be connected by at least one conductor brace in the part beyond the common conductor with the secondary signal loop, and described the 3rd signal circuit no longer links to each other except that common conductor with first, second signal circuit.
Another execution mode as above preferred embodiment, described first signal circuit can be connected by at least one conductor brace in the part beyond the common conductor with the secondary signal loop, and described secondary signal loop can be connected by at least one conductor brace in the part beyond the common conductor with the 3rd signal circuit.
In another preferred embodiment that the utility model provides, described metal conductor portion comprises four described signal circuits.As a kind of execution mode of above preferred embodiment, described four signal circuits have separately independently earth point respectively, and each signal circuit possesses a strip conductor branch respectively.
As the another kind of execution mode of above preferred embodiment, described four signal circuits have three earth points, and wherein first, second signal circuit has separately independently earth point respectively, the shared same earth point of the 3rd, the 4th signal circuit; The 3rd signal circuit does not have conductor branch, first, second, the 4th signal circuit respectively possesses a conductor branch.
Certainly, described metal conductor portion can also comprise the described signal circuit more than four.
In providing above-mentioned each preferred embodiment, the shape of the conductor of described each signal circuit and conductor branch thereof can be broken line, curve, jaggies, broaden line or hollow line segment, but is not limited to above-mentioned shape.As a kind of execution mode of above preferred embodiment, first signal circuit, secondary signal loop and conductor branch thereof are curve; As another execution mode of above preferred embodiment, first signal circuit, secondary signal loop and conductor branch thereof are the line that broadens; As another execution mode of above preferred embodiment, realize by fluting on metallic conductor in first signal circuit, secondary signal loop.
Be installed on a kind of version on the portable terminal mainboard as antenna of the present utility model, this antenna all is positioned within the drop shadow spread of described portable terminal mainboard in the projection on the normal direction on portable terminal mainboard plane.
Be installed on another kind of version on the portable terminal mainboard as antenna of the present utility model, this antenna all is positioned at outside the drop shadow spread of described portable terminal mainboard in the projection on the normal direction on portable terminal mainboard plane.
Be installed on another version on the portable terminal mainboard as antenna of the present utility model, this antenna is positioned in the projection section on the normal direction on portable terminal mainboard plane within the drop shadow spread of described portable terminal mainboard, and part is positioned at outside the drop shadow spread of described portable terminal mainboard; Stratum with the projection intersection of antenna on the described portable terminal mainboard has breach or has strip aperture plate or lattice-shaped structure.
The broadband multiloop mobile terminal antenna that provides according to the utility model, prior art has following advantage relatively: owing to have a plurality of signal circuits and at least two earth points that physical location is different, can also be provided with conductor branch on the signal circuit, therefore can the signal calculated loop and the quantity of earth point, position relation between each loop, the quantity of branch and position etc., the antenna that calculation Design is gone out not only has the multiband characteristic, can realize the resonance of a plurality of frequency ranges, thereby make the portable terminal (as mobile phone) that this antenna is installed to cover a plurality of frequency ranges, can sell in the world and use, made things convenient for the handling of goods and materials of production firm; And can realize the matched well of antenna under a plurality of frequency ranges, many user modes, and also have the characteristics of high efficiency, high-gain in addition, improved the performance and the network operating efficiency of portable terminal.
Description of drawings:
Preferred embodiment below in conjunction with accompanying drawing provides is elaborated to the further feature and advantage of the utility model, wherein:
Figure 1A is the disclosed mobile terminal antenna structural representation of No. 2004/0075610 U.S.'s application for a patent for invention of US;
Figure 1B is the structural representation of the disclosed built-in wideband multi-loop antenna of No. 2003/0052824 U.S.'s application for a patent for invention of US;
Fig. 1 C is the structural representation of multi-loop antenna in the prior art;
The structural representation of first kind of preferred embodiment of the broadband multiloop mobile terminal antenna that provides according to the utility model is provided Fig. 2 A;
Fig. 2 B is that antenna shown in Fig. 2 A is installed on the view on the portable terminal mainboard 100;
Fig. 2 C is the structural representation that the part of two signal circuits beyond common conductor connected by a conductor brace in the antenna shown in Fig. 2 A;
Fig. 3 is the structural representation of second kind of preferred embodiment of the present utility model, and the position relation of its two signal circuit is different with first embodiment;
Fig. 4 is the structural representation of the third preferred embodiment of the present utility model, and its two signal circuit lays respectively at the both sides of common conductor;
Fig. 5 A is the structural representation of the 4th kind of preferred embodiment of the present utility model, and its two signal circuit does not have other public part except that common feed point, and two signal circuits respectively have a conductor branch;
Fig. 5 B is the structural representation that is connected by a conductor brace between two signal circuits in the antenna shown in Fig. 5 A, and two signal circuits respectively have a conductor branch;
Fig. 6 is the structural representation of the 5th kind of preferred embodiment of the present utility model, and first signal circuit does not possess conductor branch, and the secondary signal loop has two strip conductor branches;
Fig. 7 is the structural representation of the 6th kind of preferred embodiment of the present utility model, and its first signal circuit has two conductor branch, and there is a conductor branch in the secondary signal loop;
Fig. 8 A is the structural representation of the 7th kind of preferred embodiment of the present utility model, and it comprises three signal circuits, and three signal circuits have common conductor, and first signal circuit does not have conductor branch, and second, third signal circuit respectively possesses a conductor branch;
Fig. 8 B is a kind of replacement pattern of preferred embodiment shown in Fig. 8 A, and its three signal circuit respectively possesses a conductor branch;
Fig. 8 C is another improvement structure of preferred embodiment shown in Fig. 8 A, and each is connected its first, second signal circuit and second, third signal circuit by a conductor brace;
Fig. 9 is the structural representation of the 8th kind of preferred embodiment of the present utility model, and it comprises three signal circuits, and three signal circuits do not have other public part except that having common feed point, and first, second signal circuit is connected by a conductor brace; Second, third signal circuit is also connected by a conductor brace;
Figure 10 is the structural representation of the 9th kind of preferred embodiment of the present utility model, there is shown the structure of four signal circuits; Shown in four signal circuits have separately independently earth point respectively, each loop possesses a strip conductor branch respectively;
Figure 11 is the structural representation of the of the present utility model ten kind of preferred embodiment, there is shown the structure of four signal circuits; Shown in four signal circuits have three earth points, the shared same earth point of the 3rd, the 4th signal circuit wherein; The 3rd signal circuit does not have conductor branch, first, second, the 4th signal circuit respectively possesses a conductor branch;
Figure 12 A is the another kind of structural shape of above-mentioned first kind of preferred embodiment, and its conductor shape that forms signal circuit is a curve, and the conductor branch of first signal circuit is a broken line;
Figure 12 B is another structural shape of above-mentioned first kind of preferred embodiment, and its conductor shape that forms signal circuit and conductor branch is the line that broadens;
Figure 12 C is another version of above-mentioned first kind of preferred embodiment, and wherein signal circuit is realized by fluting on metallic conductor.
Figure 13 is that antenna of the present utility model is installed on a kind of structural shape on the portable terminal mainboard, and the projection of this antenna all is positioned at outside the drop shadow spread of portable terminal mainboard;
Figure 14 is that antenna of the present utility model is installed on the another kind of structural shape on the portable terminal mainboard, and the projection of this antenna all is positioned within the drop shadow spread of portable terminal mainboard;
Figure 15 A is that antenna of the present utility model is installed on another structural shape on the portable terminal mainboard, the projection section of this antenna is positioned within the drop shadow spread of portable terminal mainboard, outside the drop shadow spread of part portable terminal mainboard, the stratum on the portable terminal mainboard is formed with breach;
Figure 15 B is the replacement pattern of structural shape shown in Figure 15 A, there is shown the stratum and is formed with aperture plate shape structure;
Figure 16 A is a kind of application example test result of broadband multiloop terminal antenna of the present utility model;
Figure 16 B is the another kind of application example test result of broadband multiloop terminal antenna of the present utility model.
Embodiment:
Before describing the utility model in detail, explain or define involved relational language earlier:
So-called " distributing point " means the initial electric connection point of antenna and portable terminal mainboard, also is the radio frequency input and the port of exporting of portable terminal mainboard, also is the starting point of signal circuit of the present utility model;
So-called " earth point " means the physical point of attachment on the reference stratum of antenna and portable terminal mainboard, also is the terminal point of the utility model signal circuit, its with the reference earth point of distributing point between be communicated with by conductor, thereby the formation loop; Antenna provided by the utility model has a plurality of earth points, and each earth point is communicated with by metallic conductor (being the stratum);
So-called " signal circuit " means any non-classical transmission line type path that is made of metallic conductor that originates in distributing point, ends at each earth point;
Relation between each signal circuit (surround fully, part is surrounded etc.): mean described signal circuit is launched into the plane after, the position relation between each signal circuit.
Referring to Fig. 2 A, 2B, the broadband multiloop mobile terminal antenna that provides according to the utility model, the carrier that comprises metal conductor portion (among the figure shown in the wide lines of black) and the described metal conductor portion of carrying, described carrier can be but be not limited to FPC (flexible printed circuit board), PCB (printed circuit board (PCB)), independent plastic structural part or terminal casing, described metallic conductor can be but be not limited to Copper Foil, the metallic conductor of perhaps electroplating, printing etc., these are all known technology, repeat no more herein, also not shown in the accompanying drawing.As shown in Fig. 2 B, described metal conductor portion is electrically connected with portable terminal mainboard 100, and described portable terminal mainboard 100 is the main circuit board of portable terminal, is printed with radiating circuit, receiving circuit and the control circuit etc. of signal above as required.
Of the present utility model being characterised in that: described metal conductor portion comprises at least two signal circuits, and each described signal circuit originates in same common feed point 1, ends at earth point; Wherein have at least two described signal circuits to have the described earth point that is positioned at different physical locations.Simultaneously described signal circuit can have one or more conductor branch, an end of described conductor branch be connected on the described signal circuit except that described earth point more arbitrarily, other end suspension.Owing to have a plurality of signal circuits and at least two earth points that physical location is different, signal circuit also is provided with conductor branch, therefore can be according to result calculated, the position of the quantity in modelled signal loop, position and relation each other, earth point, the quantity of branch and set-up mode etc., make the antenna of designing can realize broadband, high-gain, and the matched well under multiple user mode.
As shown in Fig. 2 A, in first kind of preferred embodiment that the utility model provides, described metal conductor portion comprises two described signal circuits, be respectively first signal circuit 10 and secondary signal loop 20, as shown in FIG., described first, second signal circuit 10,20 originates in same common feed point 1, stops two different earth points 2,3 of physical location (label down together) respectively, described secondary signal loop 20 surrounds described first signal circuit 10 fully, and the two has one section common conductor 5.
As shown in Figure 3, in second kind of preferred embodiment that the utility model provides, described metal conductor portion comprises two described signal circuits, be respectively first signal circuit 10 and secondary signal loop 20, different with the foregoing description is, described secondary signal loop 20 parts are surrounded described first signal circuit 10, and the two has one section common conductor 5.
As shown in Figure 4, in the third preferred embodiment that the utility model provides, described metal conductor portion comprises two described signal circuits, be respectively first signal circuit 10 and secondary signal loop 20, the two has one section common conductor 5, and the other parts in described first signal circuit 10 and secondary signal loop 20 lay respectively at the both sides of described common conductor 5.
Referring to Fig. 5 A, in the 4th kind of preferred embodiment that the utility model provides, described metal conductor portion comprises two described signal circuits, be respectively first signal circuit 10 and secondary signal loop 20, described first signal circuit 10 and secondary signal loop 20 do not have other public part except that having described common feed point 1.
The various embodiments described above all are the structure of two signal circuits, and the position of two signal circuits relation is different, and its band characteristic is also inequality, so the antenna structure that provides of the various embodiments described above can satisfy the needs of different occasions.Can also design conductor branch according to result of calculation in addition, shown in Fig. 2 A and Fig. 3 to 5, first signal circuit 10 described in above-mentioned first to fourth preferred embodiment and described secondary signal loop 20 respectively have a described conductor branch 12,22; Described conductor branch 12 or 22 length are 0.1 to 80 millimeter, and the tie point 11,21 of itself and described signal circuit 10 or 20 is 10% to 90% of this signal circuit conductor total length to the distance of described distributing point 1.Certainly, described conductor branch also can adopt other design, and as shown in Figure 6, in the 5th kind of preferred embodiment that the utility model provides, described first signal circuit 10 does not possess conductor branch, and described secondary signal loop 20 has two described conductor branch 22; As shown in Figure 7, in the 6th kind of preferred embodiment that the utility model provides, described first signal circuit 10 has two strip conductor branches 12; Secondary signal loop 20 has a strip conductor branch 22.
According to the result of design, also available each signal circuit of conductor brace short circuit, thus constitute more signal circuit.In above-mentioned first to the 3rd preferred embodiment, described first signal circuit 10 can be connected by at least one conductor brace 9 with the part of secondary signal loop 20 beyond common conductor 5; In above-mentioned the 4th preferred embodiment, described first signal circuit 10 can be connected by at least one conductor brace 9 with secondary signal loop 20.Fig. 2 C shows the structure that first, second signal circuit 10,20 is connected by a conductor brace 9 with Fig. 5 B.
Referring to Fig. 8 A, in the 7th kind of preferred embodiment that the utility model provides, described metal conductor portion comprises three described signal circuits, is respectively first signal circuit 10, secondary signal loop 20 and the 3rd signal circuit 30; Three signal circuits originate in common feed point 1, end at earth point 2,3,8 separately; Three signal circuits have one section common conductor 5; First signal circuit 10 does not possess conductor branch, and described secondary signal loop 20 and the 3rd signal circuit 30 have respectively had a strip conductor branch 22,32.Referring to Fig. 8 B, as a kind of replacement pattern of this embodiment, described three signal circuits 10,20,30 respectively possess a conductor branch 12,22,32.
Referring to Fig. 9, in the 8th kind of preferred embodiment that the utility model provides, described metal conductor portion comprises three described signal circuits, be respectively first signal circuit 10, secondary signal loop 20 and the 3rd signal circuit 30, three bars loops and except that having described common feed point 1, do not have other public part; Each signal circuit difference earth point the 2,3,8, the first, the 3rd described signal circuit 10,30 finally possesses a conductor branch 12,32 respectively.Certainly, described conductor branch also can be designed to other form according to result calculated, have two strip conductor branches as one or two bars loops in its first signal circuit 10, secondary signal loop 20 and the 3rd signal circuit 30, other signal circuit has a strip conductor branch.The length of described conductor branch 12,22,32 is 0.1 to 80 millimeter, and the tie point 11,21,31 of itself and described signal circuit is 10% to 90% of this signal circuit conductor total length to the distance of described distributing point 1.
As shown in Fig. 8 C, as the further improvement to above-mentioned the 7th kind of preferred embodiment, described first signal circuit 10 is connected by a conductor brace 9 with the part of secondary signal loop 20 beyond common conductor 5; Described secondary signal loop 20 and the 3rd signal circuit 30 part beyond common conductor 5 is by a conductor brace 9 ' be connected.In like manner, as shown in Figure 9, as the further improvement to the 8th kind of preferred embodiment, described first signal circuit is connected by a conductor brace 9 with secondary signal loop 20; Described secondary signal loop 20 and the 3rd signal circuit 30 are by a conductor brace 9 ' be connected.Certainly, according to design, result calculated, can be designed to fully between two signal circuits connect by multi-disc conductor brace.
The described metallic conductor of the utility model antenna can also comprise four or more signal circuit, referring to Figure 10, as the 9th kind of preferred embodiment of the present utility model, described metallic conductor comprises four described signal circuits, difference first signal circuit 10, secondary signal loop 20, the 3rd signal circuit 30, the 4th signal circuit 40, described first, second, third, fourth signal circuit has separately independently earth point 2,3,8,8 ' respectively, and respectively possesses a strip conductor branch 12,22,32,42.
Referring to Figure 11, as the of the present utility model ten kind of preferred embodiment, described metal conductor portion also comprises four signal circuits, be respectively first signal circuit 10, secondary signal loop 20, the 3rd signal circuit 30 and the 4th signal circuit 40, different with the tenth embodiment is, shown in four signal circuits have three earth points 2,3,8, the shared same earth point 8 of the 3rd, the 4th signal circuit wherein; The 3rd signal circuit does not have conductor branch, first, second, the 4th signal circuit respectively possesses a conductor branch 12,22,42.
In providing above-mentioned each preferred embodiment, the shape of the conductor of described each signal circuit and conductor branch thereof can be broken line, curve, jaggies, broaden line or hollow line segment, but is not limited to above-mentioned shape.Referring to Figure 12 A, 12B, show first, second signal circuit 10,20 in first kind of preferred embodiment and conductor branch 12,22 thereof the structure for the curve and the line that broadens among the figure respectively, Figure 12 C shows the antenna structure form that realizes signal circuit by fluting on metallic conductor.
Antenna of the present utility model is installed on the portable terminal mainboard 100, and the structure on the position of this antenna and portable terminal mainboard 100 relation and portable terminal mainboard 100 stratum also can influence the band characteristic of antenna.
Referring to Figure 13, shown in the figure with this antenna with after portable terminal mainboard 100 is electrically connected, the projection of this antenna on the normal direction on the portable terminal mainboard 100 planes direction of portable terminal mainboard 100 planes (promptly perpendicular to) all is positioned at outside the drop shadow spread of described portable terminal mainboard 100.Wherein A figure is the schematic diagram that concerns of antenna and portable terminal mainboard, B figure is the end view of portable terminal mainboard, and antenna all is positioned at outside the drop shadow spread of described portable terminal mainboard 100 in the projection on the normal direction on portable terminal mainboard 100 planes as can be seen.
Referring to Figure 14, shown in the figure with this antenna with after the portable terminal mainboard is electrically connected, this antenna all is positioned within the drop shadow spread of described portable terminal mainboard 100 in the projection on the normal direction.Wherein A figure is the schematic diagram that concerns of antenna and portable terminal mainboard, B figure is the end view of portable terminal mainboard, and antenna all is positioned within the drop shadow spread of described portable terminal mainboard 100 in the projection on the normal direction on portable terminal mainboard 100 planes as can be seen.
Referring to Figure 15 A, shown in the figure with this antenna with after the portable terminal mainboard is electrically connected, this antenna is positioned in the projection section on the normal direction within the drop shadow spread of described portable terminal mainboard 100, part is positioned at outside the drop shadow spread of described portable terminal mainboard 100; Wherein A figure is the schematic diagram that concerns of antenna and portable terminal mainboard, B figure is the end view of portable terminal mainboard, antenna is positioned in the projection section on the normal direction on portable terminal mainboard 100 planes within the drop shadow spread of described portable terminal mainboard 100 as can be seen, and part is positioned at outside the drop shadow spread of described portable terminal mainboard 100.On the described portable terminal mainboard 100 with the stratum jagged 101 of the projection intersection of antenna; Result according to design, also the stratum can be made other shape, shown in Figure 15 B, this antenna is identical with scheme shown in Figure 15 A with described portable terminal mainboard 100 positions relation, promptly this antenna is positioned in the projection section on the normal direction within the drop shadow spread of described portable terminal mainboard 100, and part is positioned at outside the drop shadow spread of described portable terminal mainboard 100; A is the schematic diagram that concerns of antenna and portable terminal mainboard among the figure, and B is the end view of portable terminal mainboard.Different with scheme shown in Figure 15 A is, there is strip aperture plate 102 on the stratum with the projection intersection of antenna on the described portable terminal mainboard 100, certainly also the stratum also can be made into other structure such as lattice-shaped structure, enumerate no longer one by one herein.
Figure 16 A is a kind of application example test result schematic diagram of broadband multiloop terminal antenna of the present utility model; This antenna has covered GSM800/900/1800/1900 and five frequency ranges of UMTS.
Figure 16 B is the another kind of application example test result schematic diagram of broadband multiloop terminal antenna of the present utility model.This antenna is good in four frequency range couplings of GSM850/GSM900/GSM1800/GSM1900.
Above preferred embodiment is only for the usefulness that the utility model is described; those of ordinary skill in the art; under the guide that does not break away from spirit and scope of the present utility model; also can make various distortion and conversion; as five signal circuits are set, so all equivalent technical solutions all belong to protection range of the present utility model.
Claims (27)
1, a kind of broadband multiloop mobile terminal antenna, the carrier that comprises metal conductor portion and the described metal conductor portion of carrying, described metal conductor portion is electrically connected with the mainboard (100) of portable terminal, it is characterized in that: described metal conductor portion comprises at least two signal circuits, each described signal circuit originates in same common feed point (1), ends at earth point; Wherein have at least two described signal circuits to have the described earth point that is positioned at different physical locations.
2, broadband multiloop mobile terminal antenna according to claim 1, it is characterized in that: at least one described signal circuit has one or more conductor branch, one end of described conductor branch be connected on the described signal circuit except that described earth point more arbitrarily, the other end suspends.
3, broadband multiloop mobile terminal antenna according to claim 2, it is characterized in that: described metal conductor portion comprises two described signal circuits, be respectively first signal circuit (10) and secondary signal loop (20), described secondary signal loop (20) surrounds described first signal circuit (10) fully, and the two has one section common conductor (5).
4, broadband multiloop mobile terminal antenna according to claim 2, it is characterized in that: described metal conductor portion comprises two described signal circuits, be respectively first signal circuit (10) and secondary signal loop (20), described secondary signal loop (20) part is surrounded described first signal circuit (10), and the two has one section common conductor (5).
5, broadband multiloop mobile terminal antenna according to claim 2, it is characterized in that: described metal conductor portion comprises two described signal circuits, be respectively first signal circuit (10) and secondary signal loop (20), the two has one section common conductor (5), and the other parts of described first signal circuit (10) and secondary signal loop (20) lay respectively at the both sides of described common conductor (5).
6, broadband multiloop mobile terminal antenna according to claim 2, it is characterized in that: described metal conductor portion comprises three described signal circuits, is respectively first signal circuit (10), secondary signal loop (20) and the 3rd signal circuit (30); Three signal circuits have one section common conductor (5).
7, according to claim 3 or 4 or 5 or 6 described broadband multiloop mobile terminal antennas, it is characterized in that: the length of described common conductor (5) is 0.001 to 80 millimeter.
8, broadband multiloop mobile terminal antenna according to claim 2, it is characterized in that: described metal conductor portion comprises two described signal circuits, be respectively first signal circuit (10) and secondary signal loop (20), described first signal circuit (10) and secondary signal loop (20) do not have other public part except that having described common feed point (1).
9, according to claim 3 or 4 or 5 or 8 described broadband multiloop mobile terminal antennas, it is characterized in that: described first signal circuit (10) has a described conductor branch (12); Or described secondary signal loop (20) has a described conductor branch (22); The length of described conductor branch (12) or (22) is 0.1 to 80 millimeter, and the tie point (11,21) of itself and described signal circuit (10) or (20) is 10% to 90% of this signal circuit conductor total length to the distance of described distributing point (1).
10, according to claim 3 or 4 or 5 or 8 described broadband multiloop mobile terminal antennas, it is characterized in that: described first signal circuit (10) and secondary signal loop (20) respectively have a described conductor branch (12,22); The length of described conductor branch (12,22) is 0.1 to 80 millimeter, and the tie point (11,21) of itself and described signal circuit is 10% to 90% of this signal circuit conductor total length to the distance of described distributing point (1).
11, according to claim 3 or 4 or 5 or 8 described broadband multiloop mobile terminal antennas, it is characterized in that: described first signal circuit (10) has two described conductor branch (12), or described secondary signal loop (20) has two described conductor branch (22); The length of described conductor branch (12,22) is 0.1 to 80 millimeter, and the tie point (11,21) of itself and described signal circuit is 10% to 90% of this signal circuit conductor total length to the distance of described distributing point (1).
12, according to claim 3 or 4 or 5 described broadband multiloop mobile terminal antennas, it is characterized in that: described first signal circuit (10) is connected by at least one conductor brace (9) in common conductor (5) part in addition with secondary signal loop (20).
13, broadband multiloop mobile terminal antenna according to claim 8 is characterized in that: described first signal circuit (10) is connected by at least one conductor brace (9) with secondary signal loop (20).
14, broadband multiloop mobile terminal antenna according to claim 2, it is characterized in that: described metal conductor portion comprises three described signal circuits, be respectively first signal circuit (10), secondary signal loop (20) and the 3rd signal circuit (30), three bars loops do not have other public part except that having described common feed point (1).
15, according to claim 6 or 14 described broadband multiloop mobile terminal antennas, it is characterized in that: described first signal circuit (10), secondary signal loop (20) and the 3rd signal circuit (10) have respectively had a strip conductor branch (12,22,32); The length of described conductor branch (12,22,32) is 0.1 to 80 millimeter, and the tie point (11,21,31) of itself and described signal circuit is 10% to 90% of this signal circuit conductor total length to the distance of described distributing point (1).
16, according to claim 6 or 14 described broadband multiloop mobile terminal antennas, it is characterized in that: one or two bars loops in described first signal circuit (10), secondary signal loop (20) and the 3rd signal circuit (10) have two strip conductor branches, and other signal circuit has a strip conductor branch; The length of described conductor branch is 0.1 to 80 millimeter, and the tie point of each described conductor branch and described signal circuit is 10% to 90% of this signal circuit conductor total length to the distance of described distributing point (1).
17, broadband multiloop mobile terminal antenna according to claim 8 is characterized in that: described first signal circuit (10) is connected by at least one conductor brace (9) in common conductor (5) part in addition with secondary signal loop (20); Described secondary signal loop (20) is connected by at least one conductor brace (9 ') in common conductor (5) part in addition with the 3rd signal circuit (30).
18, broadband multiloop mobile terminal antenna according to claim 14 is characterized in that: described first signal circuit (10) is connected by at least one conductor brace (9) with secondary signal loop (20); Described secondary signal loop (20) is connected by at least one conductor brace (9 ') with the 3rd signal circuit (30).
19, according to claim 3 or 4 or 5 or 6 or 8 or 14 described broadband multiloop mobile terminal antennas, it is characterized in that: this antenna all is positioned within the drop shadow spread of described portable terminal mainboard (100) in the projection on the normal direction on described portable terminal mainboard (100) plane.
20, according to claim 3 or 4 or 5 or 6 or 8 or 14 described broadband multiloop mobile terminal antennas, it is characterized in that: this antenna all is positioned at outside the drop shadow spread of described portable terminal mainboard (100) in the projection on the normal direction on described portable terminal mainboard (100) plane.
21, according to claim 3 or 4 or 5 or 6 or 8 or 14 described broadband multiloop mobile terminal antennas, it is characterized in that: this antenna is positioned in the projection section on the normal direction on described portable terminal mainboard (100) plane within the drop shadow spread of described portable terminal mainboard (100), and part is positioned at outside the drop shadow spread of described portable terminal mainboard (100).
22, broadband multiloop mobile terminal antenna according to claim 21 is characterized in that: on the described portable terminal mainboard (100) and the stratum of the projection intersection of antenna has breach (101).
23, broadband multiloop mobile terminal antenna according to claim 21 is characterized in that: on the described portable terminal mainboard (100) and the stratum of the projection intersection of antenna has strip aperture plate or lattice-shaped structure (102).
24, according to claim 3 or 4 or 5 or 6 or 8 or 14 described broadband multiloop mobile terminal antennas, it is characterized in that: the conductor of described first, second, third signal circuit (10,20,30) and conductor branch thereof be shaped as broken line, curve, jaggies, line or hollow line segment broaden.
25, broadband multiloop mobile terminal antenna according to claim 2, it is characterized in that: described metal conductor portion comprises four or more signal circuit.
26, broadband multiloop mobile terminal antenna according to claim 25, it is characterized in that: described metal conductor portion comprises four described signal circuits, difference first signal circuit (10), secondary signal loop (20), the 3rd signal circuit (30) and the 4th signal circuit (40), described first, second, third, fourth signal circuit (10,20,30,40) has separately independently earth point (2,3,8,8 ') respectively, and respectively has a strip conductor branch (12,22,32,42).
27, broadband multiloop mobile terminal antenna according to claim 25, it is characterized in that: described metal conductor portion comprises four described signal circuits, difference first signal circuit (10), secondary signal loop (20), the 3rd signal circuit (30) and the 4th signal circuit (40), described first, second signal circuit (10,20) has separately independently earth point (2,3), the described shared same earth point of the 3rd, the 4th signal circuit (8) respectively; Described first, second, the 4th signal circuit (10,20,40) respectively possesses a conductor branch (12,22,42).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520000478 CN2765337Y (en) | 2005-02-06 | 2005-02-06 | Wideband multiloop mobile terminal antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520000478 CN2765337Y (en) | 2005-02-06 | 2005-02-06 | Wideband multiloop mobile terminal antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2765337Y true CN2765337Y (en) | 2006-03-15 |
Family
ID=36168251
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520000478 Expired - Lifetime CN2765337Y (en) | 2005-02-06 | 2005-02-06 | Wideband multiloop mobile terminal antenna |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2765337Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102025027A (en) * | 2009-09-15 | 2011-04-20 | 旭丽电子(广州)有限公司 | Double-circuit antenna and multi-frequency multi-antenna module |
| CN102414918A (en) * | 2009-04-27 | 2012-04-11 | Ace技术株式会社 | Broadband antenna using an electric loop-type signal line |
| CN103078174A (en) * | 2011-10-25 | 2013-05-01 | 启碁科技股份有限公司 | Multifrequency antenna device |
| CN104037491A (en) * | 2013-03-05 | 2014-09-10 | 启碁科技股份有限公司 | Antenna |
| CN104103888A (en) * | 2014-08-06 | 2014-10-15 | 广东欧珀移动通信有限公司 | Mobile phone and antenna thereof |
| CN104380527A (en) * | 2014-06-25 | 2015-02-25 | 华为技术有限公司 | Double annular antenna and mobile terminal with same |
-
2005
- 2005-02-06 CN CN 200520000478 patent/CN2765337Y/en not_active Expired - Lifetime
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102414918A (en) * | 2009-04-27 | 2012-04-11 | Ace技术株式会社 | Broadband antenna using an electric loop-type signal line |
| CN102025027A (en) * | 2009-09-15 | 2011-04-20 | 旭丽电子(广州)有限公司 | Double-circuit antenna and multi-frequency multi-antenna module |
| CN102025027B (en) * | 2009-09-15 | 2014-12-17 | 光宝电子(广州)有限公司 | Double-circuit antenna and multi-frequency multi-antenna module |
| CN103078174A (en) * | 2011-10-25 | 2013-05-01 | 启碁科技股份有限公司 | Multifrequency antenna device |
| CN104037491A (en) * | 2013-03-05 | 2014-09-10 | 启碁科技股份有限公司 | Antenna |
| CN104380527A (en) * | 2014-06-25 | 2015-02-25 | 华为技术有限公司 | Double annular antenna and mobile terminal with same |
| CN104380527B (en) * | 2014-06-25 | 2017-09-12 | 华为技术有限公司 | Stacked loop antenna and the mobile terminal with the stacked loop antenna |
| CN104103888A (en) * | 2014-08-06 | 2014-10-15 | 广东欧珀移动通信有限公司 | Mobile phone and antenna thereof |
| CN104103888B (en) * | 2014-08-06 | 2016-09-21 | 广东欧珀移动通信有限公司 | A kind of mobile phone and antenna thereof |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: SHENZHEN SUNVIEWS COMMUNICATION CO., LTD. Free format text: FORMER OWNER: ANTSON ELECTRONICS( SHENZHEN ) CO., LTD. Effective date: 20091225 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20091225 Address after: Building 9, Changxin hi tech Industrial Park, ten thousand Dao an Sha Lu, Baoan District, Shenzhen, Guangdong Province, China: 518000 Patentee after: Shenzhen Sunway Communication Co., Ltd. Address before: Room two, 401 garden, Longgang Pioneer Park, Shenzhen, Guangdong Province, China: 315332 Patentee before: Antexun Electronic (Shenzhen) Co., Ltd. |
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| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20150206 Granted publication date: 20060315 |