CN1317904C - Antenna group - Google Patents

Antenna group Download PDF

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Publication number
CN1317904C
CN1317904C CNB2003101163737A CN200310116373A CN1317904C CN 1317904 C CN1317904 C CN 1317904C CN B2003101163737 A CNB2003101163737 A CN B2003101163737A CN 200310116373 A CN200310116373 A CN 200310116373A CN 1317904 C CN1317904 C CN 1317904C
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CN
China
Prior art keywords
limit
type structure
antenna
antenna element
pedestal
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CNB2003101163737A
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Chinese (zh)
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CN1617616A (en
Inventor
郑平熙
张鹤君
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Wistron Neweb Corp
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Wistron Neweb Corp
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Priority to CNB2003101163737A priority Critical patent/CN1317904C/en
Publication of CN1617616A publication Critical patent/CN1617616A/en
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Abstract

The present invention provides an antenna group used for an electronic device. The antenna group comprises a first antenna unit and a second antenna unit, wherein the first antenna unit and the second antenna unit are arranged on a base, and the superposition of first antenna radiation distribution and second antenna radiation distribution approaches to omnidirectional characteristics. The antenna units utilized by the present invention are provided with double frequency antennas. An antenna disclosed by the present invention comprises a first L-shaped structure and a second L-shaped structure which are connected together, and both of the first L-shaped structure and the second L-shaped structure can be used for transmitting and receive signals having the same frequency band.

Description

Antenna and antenna sets
Technical field
The present invention is about a kind of antenna and antenna sets, for being used in electronic apparatus.
Background technology
Mobile phone just is subjected to people's welcome after occurring, and gradually, mobile communication has become the some of people's lives.More and more Duo electronic installation has possessed the function of mobile communication, for example personal digital assistant, notebook, flat computer or the like, even the consumer electronics articles for use have also possessed the function of mobile communication.In arbitrary electronic apparatus, antenna is a key component.And how to reduce antenna size, increase the usefulness of antenna and make the radiation of antenna be omnidirectional's characteristic as much as possible, be the target of research and development always.
At U.S. Patent number the 6th, 166, in No. 694, a kind of miniature dual-band antenna of in-building type is proposed, for being used in device for mobile communication.In this invention, the spiral type cantilever of two different lengths (spiral arms) is in order to receiving the signal of two frequency bands, and can keep the microsize of antenna.And, in No. 715, then utilize dull and stereotyped (Plate) structure at U.S. Patent number 6,407, wherein a flat board is in order to ground connection, and has cantilever design to accept and to transmit on another flat board.
In addition, U.S. Patent number the 6th, 414, the slot antenna (slot antenna) that is proposed in No. 642 has two mutually perpendicular portions in the structure, for the corner regions that is arranged in the electronic apparatus.In this design, notching construction also has the part of a vertical turnover, makes the radiation of antenna have a plurality of directions, reduces the dead angle of reception.
At U.S. Patent number the 6th, 339, in No. 400, provide a kind of antenna configurations of electronic apparatus, wherein use two antennas, independently be arranged at the diverse location in the electronic apparatus, and have different radial axises to.This is provided with and causes except being avoided single antenna to damage whole communication function stops comprehensively, also can reduce interior other assembly of mobile device and intercept (blockage), make that the radiation behind two antenna superpositions trends towards omnidirectional's characteristic at the antenna that specific direction caused.
Therefore, a miniature dual-band antenna for the electronic apparatus use will be expected, in addition, if having the more aerial radiation of convergence omnidirectional characteristic, and making is simple easy with assembling, will have more advantage.
Summary of the invention
One object of the present invention is to provide a kind of antenna for the electronic apparatus use.Another object of the present invention is to provide a kind of antenna sets, uses for electronic apparatus, and has the radiation profiles of a convergence omnidirectional characteristic.
The present invention proposes a kind of antenna sets, is fixed on the device, comprises one first antenna element, one second antenna element and a pedestal.This first antenna element has one first earth terminal and one first aerial radiation distributes, this second antenna element, having one second earth terminal and one second aerial radiation distributes, this pedestal for fix this first antenna element therewith second antenna element install in this, wherein, on this pedestal, arrange this first antenna element second antenna element therewith, this first aerial radiation is distributed, and superposition convergence that second aerial radiation therewith distributes is omnidirectional's characteristic, and this pedestal therewith first earth terminal therewith second earth terminal link, also supply as this first antenna element common earth terminal of second antenna element therewith.
Propose a kind of dual-band antenna according to one embodiment of the invention, comprise a pedestal, a first frequency antenna, reach a second frequency antenna.This first frequency antenna has one the one L type structure, one the 2nd a L type structure and a load point, this L type structure has one first limit and one second limit, this second limit has one first length, for the signal of launching and receive a first frequency, this the 2nd L type structure also has one first limit and one second limit, wherein, first limit of this L type structure pedestal therewith connects in one first tie point is vertical mutually, second limit of this L type structure is parallel to one side of this pedestal, and first limit of this 2nd L type structure is connected in one second tie point on second limit of a L type structure therewith, this load point be positioned on second limit of this L type structure and therewith second tie point between at a distance of one first preset distance.This second frequency antenna comprises in addition that then one the 3rd L type structure is to be responsible for receiving the signal of second frequency.
This first frequency antenna more comprises an earth point, be positioned on one side of this pedestal, this earth point distance between first tie point therewith approximates this first length, wherein, one side of this L type structure, this pedestal, this earth point load point therewith can define a notching construction, and this notching construction is also for the signal of launching and receive this first frequency.
Description of drawings
Fig. 1 is the antenna schematic diagram according to one embodiment of the invention;
Fig. 2 is an antenna schematic diagram according to another embodiment of the present invention;
Fig. 3 is the antenna sets schematic diagram according to one embodiment of the invention;
Fig. 4 is an antenna sets schematic diagram according to another embodiment of the present invention;
Fig. 5 is an antenna sets schematic diagram according to still another embodiment of the invention;
Fig. 6 is an antenna sets schematic diagram according to still another embodiment of the invention.
The element numbers explanation
100 antennas, 102 pedestals
104 the one L type structures, 106 1 2nd L type structures
First limit of 108 load points 110 a L type structure
First limit of first limit 114 the 2nd L type structure of 112 the one L type structures
Second limit, 118 first tie points of 116 the 2nd L type structures
120 second tie points, 122 earth points
200 antennas, 202 1 3rd L type structures
First limit of first limit 206 the 3rd L type structure of 204 the 3rd L type structures
208 the 3rd tie points, 300 antenna sets
302 first antenna elements, 304 second antenna elements
306 pedestals, 308 first earth terminals
310 second earth terminals, 400 antenna sets
400a antenna sets 400b antenna sets
402 first antenna element 402a antenna elements
402b antenna element 404 second antenna elements
404a antenna element 404b antenna element
406 pedestals
Embodiment
Antenna of the present invention and antenna sets are to be used for electronic apparatus, as notebook, personal digital assistant or flat computer or the like.The insider should be as can be known, antenna of the present invention and antenna sets, and the signal for receiving at least one frequency band is illustrative purposes, and this frequency band is representative with its centre frequency all, and following first frequency and second frequency are represented this two frequency bands respectively.In addition,, hereinafter will explain the structure of first frequency reception/emission earlier, add the description of second frequency reception/emission then, the structure of antenna sets just will be described at last for ease of the explanation technology contents.
Fig. 1 is antenna 100 schematic diagrames according to one embodiment of the invention.Antenna 100 comprises a pedestal 102, one the one L type structure 104, one the 2nd a L type structure 106 and a load point 108, this L type structure 104 has one first limit 110 and one second limit 112, this second limit 112 has one first length, this the 2nd L type structure 106, for the signal of launching and receive a first frequency, have one first limit 114 and one second limit 116, this load point 108, for the signal feed-in, wherein, this first limit 110 pedestal 102 therewith connects in one first tie point 118 is vertical mutually, this second limit 112 is parallel to one side of this pedestal 102, and first limit 114 of this 2nd L type structure 106 is connected in one second tie point 120 on second limit 112 of a L type structure therewith.
The 2nd L type structure 116 can be considered a part of of an inverted F shaped antenna or is a unipole antenna, and this load point 108 is positioned on second limit 112 of this L type structure 104 and therewith second tie point 120 between at a distance of one first preset distance, make this load point 108 therewith between the end on the 2nd L type structure second limit 116, have two turnovers.And in the running of Principle of Antenna, this kind design can make the radiation of antenna more tend to omnidirectional's characteristic.In addition, / 4th of an about first frequency institute corresponding wavelength for this reason of the length on this 2nd L type structure second limit 116, and a L type structure 104 is as a coupling bridge (matching bridge), therefore can receive and launch the signal of this first frequency, in addition, earth point 122 in the present embodiment is positioned on one side of this pedestal 102, this earth point therewith first tie point 118 between distance approximate this first length.Therefore, one side of this L type structure 104, this pedestal, this earth point 122 load point 108 therewith can define a notching construction, this notching construction is for the signal of launching and receive a frequency, if 1/2nd of the about first frequency institute corresponding wavelength for this reason of this first length, then this notching construction is for the signal of launching and receive this first frequency, that is, in this embodiment, this the 2nd L type structure 106 notching construction therewith all can and receive the signal of this first frequency in order to emission, and then the efficient that increases the signal emission and receive.In another embodiment, this 2nd L type structure 106 therewith the notching construction first frequency signal launching and accept belong to the frequency band (5.15GHz~5.725GHz) of IEEE 802.11a.In another embodiment, can design make this 2nd L type structure 106 centre frequency therewith notching construction centre frequency to some extent at interval, make the frequency range of the frequency band that two structure superpositions are launched and received increase, frequency band that can be from the frequency band of IEEE 802.11a to about 7GHz.
Embodiment shown in Figure 2 is a double frequency antenna schematic diagram, wherein, antenna 200 more comprises one the 3rd L type structure 202, this the 3rd L type structure 202 has one first limit 204 and one second limit 206, wherein, second limit 112 that first limit 204 of this 3rd L type structure connects these L type structures 104 is in one the 3rd tie point 208, the length on this 3rd L type structure second limit 206 approximately for this reason 1/4th of second frequency institute corresponding wavelength.Therefore can be for the signal of launching and receive a second frequency.In this embodiment, this 3rd tie point 208 distance of second tie point 120 therewith is one second preset distance, and this design can reduce interfering with each other of first frequency signal and second frequency signal.In one embodiment, 202 emissions of this 3rd L type structure and the second frequency signal accepted belong to the frequency band (2.4GHz~2.5GHz) of IEEE 802.11b.
Above-mentioned dual-band antenna also may be implemented in portable telephone device, wherein this first frequency therewith second frequency can belong to GSM frequency range (about 900MHz) and DCS frequency range (about 1800MHz), the insider should not break away under spirit of the present invention and the scope, this dual-band antenna is implemented on the combination that other comprises a high band and a low-frequency range, for example: GSM and PCS (Personal Communications Services), GSM and WCDMA (Wideband Code Division Multiple Access), DCS and WCDMA, GSM and GPS (Global Positioning System), or GSM and ISM (TheIndustrial, Scientific and Medical band).
Fig. 3 is the antenna sets schematic diagram according to one embodiment of the invention.This antenna sets 300 is to be fixed on the device, comprises one first antenna element, 302, one second antenna elements 304 and a pedestal 306.This device can be mobile phone, notebook, flat computer or personal digital assistant or the like.This first antenna element 302 has one first earth terminal 308 and one first aerial radiation distributes, this second antenna element 304, having one second earth terminal 310 and one second aerial radiation distributes, this pedestal 306 for fix this first antenna element 302 therewith second antenna element 304 in this device, wherein, on this pedestal 306, arrange this first antenna element 302 second antenna element 304 therewith, this first aerial radiation is distributed, and superposition convergence that second aerial radiation therewith distributes is omnidirectional's characteristic, and this pedestal 306 therewith first earth terminal 308 therewith second earth terminal link 310, also supply as this first antenna element 302 common earth terminal of second antenna element 304 therewith.
In one embodiment, second antenna element, 304 geometries are identical therewith for this first antenna element 302, and this first aerial radiation distributes therewith, and second aerial radiation distributes also identical, this first antenna element 304 of vertical arrangement second antenna element 304 therewith on this pedestal 306, this first aerial radiation is distributed superposition that second aerial radiation therewith distributes level off to omnidirectional's characteristic.In addition, pedestal 306 then prolongs expansion with this pedestal 306 as the common ground end of two antennas, can improve antenna performance.
In another embodiment, this first antenna element 302 therewith second antenna element 304 be the identical dual-band antenna of structure.This dual-band antenna group can be for the signal that receives IEEE 802.11a and IEEE 802.11b, and this antenna sets 300 is to make in the mode of a mold forming, have and make simple and the easy advantage of assembling, can be for being fixed in a flat computer with wireless communication function.And in other embodiments, this antenna sets can be for receiving the wherein signal of frequency range combination such as GSM and PCS, GSM and WCDMA, DCS and WCDMA, GSM and GPS or GSM and ISM etc.
Fig. 4 is arranged at schematic diagram on the notebook with dual-band antenna group 300 of the present invention.Because first antenna element is vertical mutually with second antenna element, the superposition that first aerial radiation is distributed distribute with second aerial radiation levels off to omnidirectional's characteristic.In addition, the employed ground connection framework of notebook can be electrically connected to, antenna performance can be further improved as the common ground end group seat of two antennas.
Fig. 5 then is the antenna sets schematic diagram of further embodiment of this invention.Antenna sets 400 comprises first antenna element 402, second antenna element 404, reaches pedestal 406.This moment first antenna element 402 and the second antenna element 404 structure dual-band antenna inequality of respectively doing for oneself, first antenna element 402 is used for launching and receiving the signal of first frequency and second frequency, and second antenna element 404 then can be used to launch and receive the signal of the 3rd frequency and the 4th frequency.At this moment, antenna sets 400 promptly becomes one or four frequency antenna sets.
Generally speaking, the reception emission that an antenna sets just can be carried out signal is set.In order to make radiation profiles level off to omnidirectional's characteristic, two antenna sets 400a and 400b as shown in Figure 6, are separately positioned on two different corners on the notebook in the present embodiment.At this moment, because antenna element 402a is vertical mutually with antenna element 402b, the superposition of the radiation profiles of these two antenna elements levels off to omnidirectional's characteristic.In addition, because antenna element 404a is vertical mutually with antenna element 404b, the superposition of the radiation profiles of these two antenna elements also levels off to omnidirectional's characteristic.In other words, see through as the design of Fig. 6, can reach in the emission of first frequency, second frequency, the 3rd frequency and the 4th frequency and reception and all level off to the function of omnidirectional's characteristic.
Though the present invention discloses as above with embodiment; right its is not in order to qualification the present invention, any insider, without departing from the spirit and scope of the present invention; when can being used for a variety of modifications and variations, so protection scope of the present invention is as the criterion when looking the accompanying Claim book person of defining.

Claims (13)

1. antenna comprises:
One pedestal;
One the one L type structure, a L type structure has one first limit and one second limit, and second limit of a L type structure has one first length;
One the 2nd L type structure, for the signal of launching and receive a first frequency, the 2nd L type structure also has one first limit and one second limit; And
One load point is for the signal feed-in;
Wherein, first limit of the one L type structure and this pedestal are in one first tie point vertical connection mutually, second limit of the one L type structure is parallel to one side of this pedestal, and second limit of first limit of the 2nd L type structure and a L type structure is connected in one second tie point, this load point on second limit of a L type structure and and this second tie point between at a distance of one first preset distance.
2. antenna according to claim 1 further comprises:
One earth point is positioned on one side of this pedestal, and the distance of this earth point and this first tie point equals this first length;
Wherein, one side, this earth point and this load point of a L type structure, this pedestal can define a notching construction, and this notching construction is for the signal of launching and receive this first frequency.
3. antenna according to claim 2 further comprises:
One the 3rd L type structure, for the signal of launching and receive a second frequency, the 3rd L type structure has one first limit and one second limit;
Wherein, first limit of the 3rd L type structure connects second limit of a L type structure at one the 3rd tie point, and the distance of the 3rd tie point and this second tie point is one second preset distance.
4. antenna according to claim 3, wherein this first length is 1/2nd of this first frequency institute corresponding wavelength, the length on the 2nd L type structure second limit is that the length on the 1/4th, the 3rd L type structure second limit of this first frequency institute corresponding wavelength is 1/4th of this second frequency institute corresponding wavelength.
5. antenna comprises:
One pedestal;
One the one L type structure, a L type structure has one first limit and one second limit, and second limit of a L type structure has one first length;
One the 2nd L type structure, for the signal of launching and receive a first frequency, the 2nd L type structure also has one first limit and one second limit;
One load point is for the signal feed-in; And
One earth point is positioned on the limit of this pedestal, equals this first length apart from this first tie point;
Wherein, first limit of the one L type structure vertically connects this pedestal in one first tie point, second limit of the one L type structure is parallel to one side of this pedestal, and first limit of the 2nd L type structure connects a L type structure second limit at one second tie point place, and limit, this earth point and this load point of a L type structure, this pedestal define a notching construction, and this notching construction is for the signal of launching and receive this first frequency.
6. antenna according to claim 5 further comprises:
One the 3rd L type structure, for the signal of launching and receive a second frequency, the 3rd L type structure has one first limit and one second limit;
Wherein, first limit of the 3rd L type structure connects second limit of a L type structure at one second tie point, and the distance of this second tie point and this second tie point is one second preset distance.
7. antenna according to claim 6, wherein this first length is 1/2nd of this first frequency institute corresponding wavelength, the length on the 2nd L type structure second limit is that the length on the 1/4th, the 3rd L type structure second limit of this first frequency institute corresponding wavelength is 1/4th of this second frequency institute corresponding wavelength.
8. an antenna sets is fixed on the device, comprising:
One first antenna element has one first earth terminal and one first aerial radiation and distributes;
One second antenna element has one second earth terminal and one second aerial radiation and distributes; And
One pedestal supplies to fix this first antenna element and this second antenna element installs in this;
Wherein, on this pedestal, arrange this first antenna element and this second antenna element, making the superposition that this first aerial radiation distributes and this second aerial radiation distributes is omnidirectional's characteristic, and this pedestal and this first earth terminal and this second earth terminal link, also supply the common earth terminal as this first antenna element and this second antenna element, wherein this first antenna element or this second antenna element are according to claim 1 or the described antenna of claim 5.
9. antenna sets according to claim 8, wherein this first antenna element is identical with this second antenna element geometry, and this first aerial radiation distributes and distributes also identical with this second aerial radiation, this first antenna element of vertical arrangement and this second antenna element on this pedestal, making the superposition that this first aerial radiation distributes and this second aerial radiation distributes is omnidirectional's characteristic.
10. antenna sets according to claim 8, wherein this first antenna element and this second antenna element are dual-band antenna.
11. antenna sets according to claim 10, wherein the signal frequency that received of this first antenna element and this second antenna element meets the standard of IEEE802.11a and IEEE802.11b.
12. antenna sets according to claim 8, wherein this first antenna element, this second antenna element and this pedestal are a mold forming.
13. antenna sets according to claim 8, wherein this device can be a flat computer.
CNB2003101163737A 2003-11-15 2003-11-15 Antenna group Expired - Lifetime CN1317904C (en)

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CNB2003101163737A CN1317904C (en) 2003-11-15 2003-11-15 Antenna group

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CN1317904C true CN1317904C (en) 2007-05-23

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI736232B (en) * 2019-04-25 2021-08-11 仁寶電腦工業股份有限公司 Electronic device

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5406979B2 (en) * 2010-02-24 2014-02-05 シャープ株式会社 Antenna assembly and portable wireless terminal
US11233316B2 (en) 2016-07-29 2022-01-25 Hewlett-Packard Development Company, L.P. Wireless virtual reality (VR) devices
TWI659629B (en) * 2017-11-16 2019-05-11 廣達電腦股份有限公司 Communication device

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6414642B2 (en) * 1999-12-17 2002-07-02 Tyco Electronics Logistics Ag Orthogonal slot antenna assembly
US6580398B2 (en) * 2001-10-25 2003-06-17 Star H Corporation Low profile antenna

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6414642B2 (en) * 1999-12-17 2002-07-02 Tyco Electronics Logistics Ag Orthogonal slot antenna assembly
US6580398B2 (en) * 2001-10-25 2003-06-17 Star H Corporation Low profile antenna

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI736232B (en) * 2019-04-25 2021-08-11 仁寶電腦工業股份有限公司 Electronic device

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