CN1173436C - Antenna for mobile telephone set - Google Patents
Antenna for mobile telephone set Download PDFInfo
- Publication number
- CN1173436C CN1173436C CNB011167920A CN01116792A CN1173436C CN 1173436 C CN1173436 C CN 1173436C CN B011167920 A CNB011167920 A CN B011167920A CN 01116792 A CN01116792 A CN 01116792A CN 1173436 C CN1173436 C CN 1173436C
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- antenna
- circuit board
- tabular
- conducting terminal
- helical spring
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Abstract
The present invention relates to an antenna device for a mobile telephone, which is suitable for being arranged on the surface of a circuit board in a mobile telephone shell and is electrically connected with a surface signal feed-in end and an earth end of the circuit board. The present invention comprises two flat plate type antennae, a feed-in conductive terminal and an earth conductive terminal, wherein all the flat plate type antennae are used for action in a specific frequency band different from other antennae and are provided with first ends and second ends connected in power supply way, one end of the feed-in conductive terminal is electrically connected with the first ends of the flat plate type antennae, the other end is in power supply connection with the signal feed-in end of the circuit board, one end of the earth conductive terminal is electrically connected with the second ends of the flat plate type antennae, and the other end is in power supply connection with the earth end of the circuit board. The present invention has the advantages of few conductive terminals, easy assembly, qualification rate increase and good extendibility.
Description
The present invention relates to a kind of antenna for mobile telephone set, particularly relate to a kind of built-in antenna for mobile telephone set with less conducting terminal number.
Owing to use the wireless communication technique of RTTY delivery signal to have very big convenience in the use, make the various product categories of wireless communication technique of utilizing make rapid progress, especially the use of mobile phone is more popular, but the stage of every one can have a machine almost.Owing to use the event of RTTY delivery signal, antenna structure in order to inductive radio is a device necessary in the mobile phone, the example with present general mobile phone, the overwhelming majority is a kind of antenna structure of exposed conveying appliance, be that its antenna is the protruding outside that is exposed to the antenna casing, in order to receive or transmitted radio signal, yet be subjected to the foreign object collision easily and produce bending owing to the antenna of this kind exposed conveying appliance has, fracture and the bigger electromagnetic shortcoming of generation when acceptance or transmitting radio, so have a kind of device to produce at the built-in antenna of casing inside, the mobile phone back side, so that antenna is more not fragile and reduce electromagnetic influence.
Please refer to Fig. 1, it is the built-in antenna for mobile telephone set of a kind of existing double frequency (assembly) 1.This antenna assembly 1 has a housing 10, one first tabular antenna 11 and one and this first tabular antenna 11 second tabular antenna 12 separately.This first tabular antenna 11 is layed in the upper surface 101 of housing 10, high frequency antenna in order to the response high-frequency signal, one end below connects a helical spring 111 that is arranged in housing 10, also connects a helical spring 112 that is arranged in housing 10 with the below of the other end.This second tabular antenna 12 is also laid the upper surface of housing 10 with the first tabular antenna, 11 compartment of terrains and is had area greater than the first tabular antenna 11, low-frequency antenna in order to the response low frequency signal, one end below also connects a helical spring 121 that is arranged in housing 10, connects a helical spring 122 that is arranged in housing 10 with other end below.The area of two tabular antennas 11,12 is relevant with the communication system prearranged signals frequency band that it is responded.
Please in the lump with reference to Fig. 2, for this antenna assembly 1 can be electrically connected with the circuit board 21 of mobile phone and move, also do not connect a feed-in conducting terminal 14 respectively so connect an end of corresponding tabular antenna 11,12 in the helical spring 111,121 of each tabular antenna 11,12, an end that does not connect corresponding tabular antenna 11,12 in another helical spring 112,122 also connects a ground connection conducting terminal 15 respectively.As shown in Figure 1, an end of each conducting terminal 14,15 is connected in housing 10, and the other end is to extend the vertically extending L type junction 141,151 of turnover behind the certain distance vertically downward.Because the setting of conducting terminal 14,15, so two signal feed sides also must be set on the circuit board of mobile phone 21 for being electrically connected feed-in conducting terminal 14 and two earth terminals for being electrically connected ground connection conducting terminal 15.Thus, as Fig. 2, when antenna assembly 1 is assembled in the mobile phone 1, conducting terminal 14,15 guiding access 141,151 are connected on the corresponding end points that is fixed in circuit board 21.
Yet said antenna device 1 still has following desirable not to the utmost part in practical application and manufacture process:
(1) assembling is difficult for:
In aforesaid antenna assembly 1, each tabular antenna 11,12 of using for a special frequency band needs a feed-in conducting terminal 14 and a ground connection conducting terminal 15 respectively, so the aforementioned existing antenna assembly of using for double frequency 1 needs four conducting terminals 14,15 of installing, so many conducting terminal 14,15 leads making manufacturing cost rise, assemble complicated and the increase built-up time.Moreover existing antenna assembly 1 is finished and conducting terminal 14,15 connected after the assembling to be fixed on signal feed side and earth terminal corresponding on the circuit board of mobile phone 21.Yet, for signal transmission between circuit board of mobile phone 21 and the existing antenna assembly 1 is stablized smoothly, must guarantee during assembling that conducting terminal 14,15 closely contacts with corresponding end points on the circuit board 21, when so assembling, each conducting terminal 14,15 must accurately be aimed at corresponding end points and error to some extent, so conducting terminal 14,15 should be few more good more, but the degree of difficulty that existing antenna assembly 1 has four conducting terminals 14,15 to cause and is assembled in circuit board of mobile phone 21 increases, and makes qualification rate be difficult for improving.
(2) be difficult for expanding:
Because each tabular antenna 11 that existing antenna assembly 1 is used for different frequency bands, 12 need a feed-in conducting terminal 14 and a ground connection conducting terminal 15 respectively, therefore if when being extended for the antenna that three-frequency mobile phone uses, then need 6 conducting terminals 14,15, it is more difficult with assembling not only to cause cost to rise, and because today, mobile phone tended to short and small frivolous trend, the volume of circuit board is dwindled thereupon, therefore the area for assembling electronics zero line and wiring is more and more rare on the circuit board, yet, existing antenna assembly 1 is originally for the double frequency time spent, just need take 4 end points, if for three frequency times spent, then need take six end points, so cause the limited area of circuit board of mobile phone can't obtain effective utilization, even the reason that causes circuit board further to dwindle.
The tabular antenna 11 of antenna assembly 1, though 12 bring in feed-in or received signal with the signal feed-in of diverse location on the circuit board 21, in fact two signal feed sides are for being electrically connected to same radio circuit, so two tabular antennas 11,12 all is the signal of handling or receive same radio circuit output through load point FD feed to same radio circuit, so tabular antenna 11,12 do not need indivedual conducting terminals 14,15 connect to circuit board of mobile phone 21, if can make tabular antenna 11,12 use same feed-in conducting terminal 14 or same ground connection conducting terminal 15 to connect to circuit board of mobile phone 21, so then can reduce conducting terminal 14,15 numbers are easy to effect thereby reach assembling.
The object of the present invention is to provide a kind of antenna for mobile telephone set, it can reduce the conductive connecting pin number, assembling easily with improve the quality, and it is good to expand performance.
The object of the present invention is achieved like this, a kind of antenna for mobile telephone set promptly is provided, be fit to be installed on the surface of the circuit board in the mobile phone casing, and be electrically connected with earth terminal with the surface signal feed side of this circuit board, this antenna for mobile telephone set comprises: at least two tabular antennas, respectively this tabular antenna is worked in the special frequency band of other antennas and is had one first end and one second end that power supply connects in order to be different from one, and also has one first helical spring, one second helical spring; One feed-in conducting terminal, the one end is electrically connected respectively first end of this tabular antenna through this first helical spring, and other end power supply connects the signal feed side of this circuit board; And a ground connection conducting terminal, the one end is electrically connected respectively second end of this tabular antenna through this first helical spring, and other end power supply connects the earth terminal of this circuit board.
Below in conjunction with accompanying drawing, describe embodiments of the invention in detail, wherein:
Fig. 1 is the schematic perspective view of existing double-frequency antenna unit;
Fig. 2 is assembled in mobile phone neutral body schematic diagram for existing double-frequency antenna unit;
Fig. 3 is the schematic perspective view of preferred embodiment of the present invention;
Fig. 4 is assembled in schematic perspective view in the mobile phone for preferred embodiment of the present invention;
Fig. 5 is the end view of Fig. 4.
As Fig. 3, it is the schematic diagram of preferred embodiment of the present invention.The antenna assembly 3 of present embodiment comprise a housing 4, two tabular antennas 5,5 ', a feed-in conducting terminal 6 and a ground connection conducting terminal 7.
At this, the setting of housing 4 is to be assembled in (as Fig. 4) in the mobile phone 8 again after making antenna assembly (assembly) 3 modularizations, with ease of assembly and batch process.This housing 4 roughly comprises a pedestal 41 and a cover plate 42.The end face 411 of this pedestal 41 is an open surface.The shape of cover plate 42 is consistent with the end face 411 of pedestal 41, in order to the end face 411 that covers closed base 41.
Two tabular antennas 5,5 ' the fit in lip-deep conductive material (for example Copper Foil) that cover plate 42 exposes, and wherein a tabular antenna 5 has certain area responding the signal of one first frequency band, and another tabular antenna 5 ' one has certain area to respond second band signal that is different from first frequency band.It should be noted, general tabular antenna 5,5 ' area depend on corresponding frequency band, make aforementioned housing 4 shape also can according to manufacturer need and with two tabular antennas 5,5 ' overall shape and area change be not limited to disclose in the present embodiment.In the present embodiment, tabular antenna 5 is in order to the larger area low-frequency antenna of response low frequency signal, with tabular antenna 5 ' in order to the response high-frequency signal the high frequency antenna than small size, and each tabular antenna 5,5 ' one first end 51,51 ' below connect a helical spring 53 (promptly referring to first elastic conductive component) respectively, also connect a helical spring 53 (second elastic conductive component) respectively with one second end 52,52 ' below.These helical springs 53 are except can be used to support the cover plate 42 and can being an inductor simultaneously, therefore the spiral number of turns of helical spring 53 can influence its inductance value, thereby also can the response band of whole tabular antenna 5,5 ' constituted be influenced to some extent, thus tabular antenna 5,5 ' response band should depend on tabular antenna 5,5 ' area and the number of turns of helical spring 53.Moreover, in order to locate these helical springs 53, at this, more in pedestal 41 corresponding tabular antenna 5,5 ' two ends 51,51 ', 52, two sides adjacent of 52 ' position are concaved with two clamping grooves 412 that cooperate helical springs 53 respectively, to be used for holding setting screw spring 53.And for make helical spring 53 connect to corresponding tabular antenna 5,5 ', more make an end 531 of helical spring 53 be the upright body of rod that extends of turnover, and the position that makes the end 531 of cover plate 42 corresponding helical springs 53 offers one and runs through groove 421, thus, after the assembling, the end 531 of helical spring 53 can connect by running through groove 421 to pass cover plate 42 to be positioned at corresponding tabular antenna 5,5 on the cover plate 42 '.
One end 61 of this feed-in conducting terminal 6 be positioned at each tabular antenna 5,5 ' first end 51,51 ' the below, and be connected to the helical spring 53 that is positioned at first end 51,51 ' below equally do not connect tabular antenna 5,5 ' the other end, so that helical spring 53 tabular antenna 5,5 ' and feed-in conducting terminal 6 between, and feed-in conducting terminal 6 can through helical spring 53 be electrically connected to tabular antenna 5,5 '.The other end 62 of this feed-in conducting terminal 6 forms the elasticity arm of an overhead kick shape, as Fig. 4, in the time of in being assembled in mobile phone 8, connects to the signal feed side (not shown) of the circuit board 81 of mobile phone 8 with this end 62 as Fig. 5.
One end 71 of ground connection conducting terminal 7 be positioned at each tabular antenna 5,5 ' second end 52,52 ' the below, and be connected to the helical spring 53 that is positioned at first end 51,51 ' below equally do not connect tabular antenna 5,5 ' the other end, so that helical spring 53 tabular antenna 5,5 ' and ground connection conducting terminal 7 between, and ground connection conducting terminal 7 can through helical spring 53 be electrically connected to tabular antenna 5,5 '.The horizontal-extending one L type guiding access of transferring again behind the certain distance is extended vertically downward by the turnover of a side of this end 71 in the other end 72 of ground connection conducting terminal 7, thus, as Fig. 4, can utilize horizontally extending terminal 721 of this end 72 to connect to the earth terminal (not shown) of the circuit board 81 of mobile phone 8.At this, ground connection conducting terminal 7 utilizes screw lock to be fixed on the circuit board 81, thus offer a circular hole 722 at the end 721 of ground connection conducting terminal 7, and, be arranged with a deep-slotted chip breaker 43 in housing 4 corresponding these terminal 721 positions for easy to assembly, be beneficial to screw and put and screw lock.
According to above-mentioned member, during assembling, earlier feed-in conducting terminal 6 and ground connection conducting terminal 7 are positioned in the pedestal 41, then four helical springs 53 are inserted in the corresponding clamping groove 412 and difference butt feed-in conducting terminal 6 or ground connection conducting terminal 7, then make be equipped with two tabular antennas 5,5 ' cover plate 42 cover and be fixed on the pedestal 41, to finish the modularization assembling of antenna assembly 3.Thereafter, as Fig. 4, again will be the antenna assembly 3 of modularization assembling be assembled on the circuit board 81 in the mobile phone 8, be assembled in and determine in the process of circuit board 81 that feed-in conducting terminal 6 connects to the signal feed side and the ground connection conducting terminal 7 of circuit board 81 and connect to the earth terminal of circuit board 81, thus, as Fig. 5, the signal feed side of circuit board 81 can be through feed-in conducting terminal 6, helical spring 53 is electrically connected to two tabular antennas 5,5 ' first end 51,51 ', with earth terminal also can be through ground connection conducting terminal 7, helical spring 53 is electrically connected to two tabular antennas 5,5 ' second end 52,52 ', so that form electric loop between antenna assembly 3 and the circuit board 81.
The advantage of apparatus of the present invention is:
(1) number of minimizing conducting terminal:
Each tabular antenna 11 of different existing antenna assembly 1,12 all need a feed-in conducting terminal 14 and a ground connection conducting terminal 15, as Fig. 4 and Fig. 5, all tabular antennas 5 in this case, 5 ' all can be electrically connected with circuit board of mobile phone 81 with single ground connection conducting terminal 7 by single feed-in conducting terminal 6, so with dual-band antenna, existing antenna assembly 1 needs four conducting terminals 14,15, and antenna assembly 3 of the present invention only needs two conducting terminals 6,7 (promptly referring to a feed-in conducting terminal 6 and a ground connection conducting terminal 7), so the present invention compared with prior art, the effect that reduces numbers of terminals is arranged really.
(2). assembling is easy:
As previously mentioned, conducting terminal number required for the present invention only can be reduced to needs two conducting terminals 6,7, so component number also can reduce relatively, assembling antenna assembly 3 is become be more prone to and is beneficial to and produces assembling in batches.Moreover, because conducting terminal 6,7 numbers reduce, make to make assembling back yield to improve by the antenna assembly 3 easier circuit board of mobile phone 81 that are assembled to thereupon.
3. extendibility is good:
Because no matter antenna assembly 3 of the present invention is tabular antenna 5,5 ' number why, an all shared feed-in conducting terminal 6 and a ground connection conducting terminal 7, so it is more or less freely that antenna assembly 3 expands, and make circuit board of mobile phone 7 that a signal feed side and an earth terminal only all need be set when wiring, need not cooperate the frequency of antenna assembly 1 (as double frequency, three frequently) and increase, more or less freely and the areas that use for antenna assembly 3 of circuit board 81 wiring also can be descended thereupon, compare so expand the problem that is difficult for existing antenna assembly 1 because of the factor of circuit board 81 causes, the present invention has the good advantage of extendibility really.
Below described embodiments of the invention in conjunction with the accompanying drawings, but be not to be used to limit the present invention, all those skilled in the art are according to feature category of the present invention, and other equivalence variationizations or the modification done all should be encompassed in the appended claim scope.
Claims (2)
1. an antenna for mobile telephone set is fit to be installed on the surface of the circuit board in the mobile phone casing, and is electrically connected with earth terminal with the surface signal feed side of this circuit board, and this antenna for mobile telephone set comprises:
At least two tabular antennas, respectively this tabular antenna is worked in the special frequency band of other antennas and is had one first end and one second end that power supply connects in order to be different from one, and also has one first helical spring, one second helical spring;
One feed-in conducting terminal, the one end is electrically connected respectively first end of this tabular antenna through this first helical spring, and other end power supply connects the signal feed side of this circuit board; And
One ground connection conducting terminal, the one end is electrically connected respectively second end of this tabular antenna through this first helical spring, and other end power supply connects the earth terminal of this circuit board.
2. antenna for mobile telephone set as claimed in claim 1 also comprises a housing, for this each conducting terminal and this helical spring and aforementioned tabular antenna are set, so that this antenna for mobile telephone set modularization.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB011167920A CN1173436C (en) | 2001-05-10 | 2001-05-10 | Antenna for mobile telephone set |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB011167920A CN1173436C (en) | 2001-05-10 | 2001-05-10 | Antenna for mobile telephone set |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1385923A CN1385923A (en) | 2002-12-18 |
| CN1173436C true CN1173436C (en) | 2004-10-27 |
Family
ID=4662615
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB011167920A Expired - Fee Related CN1173436C (en) | 2001-05-10 | 2001-05-10 | Antenna for mobile telephone set |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1173436C (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109273825B (en) * | 2018-09-27 | 2021-11-16 | 联想(北京)有限公司 | Electronic device |
-
2001
- 2001-05-10 CN CNB011167920A patent/CN1173436C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN1385923A (en) | 2002-12-18 |
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| Date | Code | Title | Description |
|---|---|---|---|
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20041027 Termination date: 20140510 |