CN1581581A - Slotted antenna for portable wireless communication device - Google Patents
Slotted antenna for portable wireless communication device Download PDFInfo
- Publication number
- CN1581581A CN1581581A CN 03152600 CN03152600A CN1581581A CN 1581581 A CN1581581 A CN 1581581A CN 03152600 CN03152600 CN 03152600 CN 03152600 A CN03152600 A CN 03152600A CN 1581581 A CN1581581 A CN 1581581A
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- Prior art keywords
- slot antenna
- communication device
- slotted eye
- radio communication
- portable radio
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Abstract
Besides features of hidden antenna, the disclosed antenna can be integrated into portable wireless communication device easily, providing favorable wireless transmission efficiency, not causing additional electromagnetic interference of portable wireless communication device. From specific design, the invention reaches effects of multiple polarization and multiple spatial antennas, providing better communication performance to meet user's requirement.
Description
Technical field
The invention relates to a kind of slot antenna, refer to a kind of slot antenna that is applicable to portable radio communication device especially.
Background technology
Panel computer (tablet PC) or notebook computer (notebook computer) not only have mathematical operational ability fast, and its volume is also lightly many than desktop computer (desktop computer), so liked by the consumer.Because the prosperity of mobile communication technology, the user brings into use the wireless data transmission manner of reception, to reach preferable action edge.As shown in Figure 1, panel computer 10 built-in wireless modules 12, when the user makes panel computer 10 be linked to Wi-Fi by wireless module 12, in order to reach the usefulness of good wireless communications, increase the transmission and the acceptance rate of wireless data, generally speaking, wireless module 12 needs to use unipole antenna 14 (monopole antenna), just can reach preferable wireless communication transmissions.Yet, unipole antenna 14 fragile structures, build is bigger, so part panel computer 10 adopts the less small size antenna (small antenna) of build, for example inverse-F antenna (inverted-F antenna) or microstrip antenna (microstrip antenna).Yet, shell generally is made by metal material outside the panel computer 10, wireless module 12 is arranged at the inside of panel computer 10, and this will cause the signal of communication of wireless module 12 can't be sent to the external world, and its radiation signal more will cause the disturbance of electronic signal of panel computer 10 inner members.By in above-mentioned as can be known, the communication structure of existing wireless module 12 has improved demand.
Summary of the invention
Main purpose of the present invention is that a kind of slot antenna that is used for portable radio communication device is being provided, and good wireless communications ability can be provided.
Another object of the present invention is that a kind of slot antenna that is used for portable radio communication device is being provided, and can include the caused diffraction of portable radio communication device in do antenna integral radiation field design.
A further object of the present invention is that a kind of slot antenna that is used for portable radio communication device is being provided, and can reduce the cost of manufacture of antenna element.
For reaching above-mentioned purpose, the present invention discloses a kind of slot antenna that is used for portable radio communication device, comprising: at least one metal resonant cavity, and its at least one side is provided with at least the first slotted eye; At least one metal feed-in line is the side that snaps into the metal resonant cavity; At least one section of exciting is to be arranged at metal resonant cavity inside, and is linked to metal feed-in line; And portable radio communication device, its at least one side is provided with at least one second slotted eye, wherein the metal resonant cavity is arranged at the inside of portable radio communication device, and the side that is provided with slotted eye is the side that is coupled to portable radio communication device, and first slotted eye is to correspond to second slotted eye.
Described slot antenna, wherein, this side of this slotted eye is the some for this side of this portable radio communication device.
Described slot antenna, wherein, it receives the operating frequency that this metal feed-in line imported and exports it, and this metal resonant cavity is that this operating frequency is produced a resonance response.
Described slot antenna, wherein, this section of exciting is made by a metal material.
Described slot antenna, wherein, this section of exciting is the some for this metal feed-in line.
Described slot antenna, its wherein, the length of this section of exciting be not more than an operating frequency waveform 1/4th.
Described slot antenna, wherein, the length of this metal resonant cavity be not more than this operating frequency waveform 1/2nd.
Described slot antenna, wherein, the length of this slotted eye be not more than this operating frequency waveform 1/4th.
Described slot antenna, wherein, the inner edge of this metal resonant cavity is to be coated with a high-k material.
Described slot antenna, wherein, this high-k material is to be a pottery.
Described slot antenna, wherein, this slotted eye is to be provided with a nonmetallic material.
Described slot antenna, wherein, this nonmetallic material is to be a plastic cement.
Described slot antenna, wherein, this portable radio communication device is to be a panel computer.
Described slot antenna, wherein, this portable radio communication device is to be a notebook computer.
Described slot antenna, wherein, this portable radio communication device is to be a personal digital assistant.
Because the design of slot antenna is a diffraction effect of including the main frame body in, so it has good wireless communications ability, and slot antenna can be one-body molded and reduce manufacturing cost with casing, in addition, the metal resonant cavity of slot antenna also can prevent slot antenna to the electromagnetic interference that portable radio communication device produced, so can reach purpose of the present invention.
Description of drawings
Fig. 1 is the schematic diagram of the existing employed antenna of portable radio communication device;
Fig. 2 is the schematic diagram of the employed slot antenna of portable radio communication device of the present invention;
Fig. 3 is the structure chart of the employed slot antenna of portable radio communication device of the present invention;
Fig. 4 is the structure chart of employed another slot antenna of portable radio communication device of the present invention.
Embodiment
As shown in Figure 2, can set up more than one slot antenna on panel computer 20, for example slot antenna 22,24,26 and 28. Slot antenna 22 and 28 is identical structure, be arranged at the both sides of panel computer 20 respectively, thus, slot antenna 22 and 28 can receive the wireless document signal that comes from panel computer 20 both sides respectively, and launch wireless document signal towards panel computer 20 both sides, reach the effect of space split pole (spatial diversity).In addition, slot antenna 24 and 26, both have the slotted eye in two orientation all simultaneously, can receive the wireless document signal of level and vertical direction respectively, and the wireless document signal of emission level and vertical direction, reach the polarization split pole (polarization diversity) effect.In addition, because the running of internal electronic element, so panel computer 20 itself has had the diffraction phenomenon of electron radiation, when slot antenna 22,24,26 and 28 designs in panel computer 20, more can include the diffraction phenomenon of electron radiation in do slot antenna 22,24,26 and 28 integral radiation fields design.
As shown in Figure 3, the cell body of slot antenna 22 can be made by metal material, the inner resonant cavity (resonant chamber) that forms of its cell body, by the size of adjusting cell body, make resonant cavity that different resonance effects can be provided, can satisfy the required resonance effect of slot antenna 22 of various operating frequencies.Cell body inside can be provided with high-k material, and for example ceramic material whereby, not only can make resonant cavity that preferable resonance effect can be provided, and more can further dwindle the size of slot antenna 22.
More than one slotted eye (slot) can be set on the cell body of slot antenna 22, and for example slotted eye 221.The direction of angulations of slotted eye is the radiation polarization direction of decision slot antenna, and its radiation polarization direction is vertical mutually with its direction of angulations.For example, when the direction of angulations of slotted eye 221 was vertical direction, the radiation polarization direction of slot antenna 22 was a horizontal direction; When the direction of angulations of slotted eye 221 was horizontal direction, the radiation polarization direction of slot antenna 22 was a vertical direction, and certainly, the direction of angulations of slotted eye 221 also can be other directions.
One end of feed-in line 223 (feeding line) is to be connected to in-building type wireless module (not shown), the other end is to be connected to the section of exciting 222, thus, the wireless signal of in-building type wireless module, can be sent to the section of exciting 222 by feed-in line 223, being emitted to far-end, and the wireless signal of far-end, after the section of exciting 222 receptions, can be sent to the in-building type wireless module by feed-in line 223.Feed-in line 223 is that coupling (engaging or sealed) is to the side of slot antenna 22.The section of exciting 222 is the inside that slot antenna 22 is set, and connects feed-in line 223.The material of the section of exciting 222 is decided according to actual demand, is preferably metal material, yet, also can be the some of feed-in line 223.
The length of the resonant cavity of slot antenna 22 be equal to or less than slot antenna 22 operating frequency waveform 1/2nd, the length of the section of exciting 222 be equal to or less than slot antenna 22 operating frequency waveform 1/4th, the length of slotted eye 221 be equal to or less than slot antenna 22 operating frequency waveform 1/4th.
As shown in Figure 4, slot antenna 24,26 and 28 similar to the function and the characteristic of slot antenna 22, difference is to be, slot antenna 22,24,26 and 28 slotted eye direction of angulations difference.
The foregoing description only is to give an example for convenience of description, and the interest field that the present invention advocated should be as the criterion so that claim is described certainly, but not only limits to the foregoing description.
Claims (15)
1. a slot antenna that is used for portable radio communication device is characterized in that, comprising:
At least one metal resonant cavity, its at least one side is provided with at least one first slotted eye;
At least one metal feed-in line is this side that snaps into this metal resonant cavity;
At least one section of exciting is to be arranged at this metal resonant cavity inside, and is linked to this metal feed-in line: and
One portable radio communication device, its at least one side is provided with at least one second slotted eye, wherein
This metal resonant cavity is arranged at the inside of this portable radio communication device, and this side that is provided with this slotted eye is this side that is coupled to this portable radio communication device, and this first slotted eye is to correspond to this second slotted eye.
2. slot antenna as claimed in claim 1 is characterized in that, wherein, this side of this slotted eye is the some for this side of this portable radio communication device.
3. slot antenna as claimed in claim 1 is characterized in that, wherein, it receives the operating frequency that this metal feed-in line imported and exports it, and this metal resonant cavity is that this operating frequency is produced a resonance response.
4. slot antenna as claimed in claim 1 is characterized in that, wherein, this section of exciting is made by a metal material.
5. slot antenna as claimed in claim 1 is characterized in that, wherein, this section of exciting is the some for this metal feed-in line.
6. slot antenna as claimed in claim 1 is characterized in that, wherein, the length of this section of exciting be not more than an operating frequency waveform 1/4th.
7. slot antenna as claimed in claim 1 is characterized in that, wherein, the length of this metal resonant cavity be not more than this operating frequency waveform 1/2nd.
8. slot antenna as claimed in claim 1 is characterized in that, wherein, the length of this slotted eye be not more than this operating frequency waveform 1/4th.
9. slot antenna as claimed in claim 1 is characterized in that, wherein, the inner edge of this metal resonant cavity is to be coated with a high-k material.
10. slot antenna as claimed in claim 9 is characterized in that, wherein, this high-k material is to be a pottery.
11. slot antenna as claimed in claim 1 is characterized in that, wherein, this slotted eye is to be provided with a nonmetallic material.
12. slot antenna as claimed in claim 11 is characterized in that, wherein, this nonmetallic material is to be a plastic cement.
13. slot antenna as claimed in claim 1 is characterized in that, wherein, this portable radio communication device is to be a panel computer.
14. slot antenna as claimed in claim 1 is characterized in that, wherein, this portable radio communication device is to be a notebook computer.
15. slot antenna as claimed in claim 1 is characterized in that, wherein, this portable radio communication device is to be a personal digital assistant.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB031526004A CN100397705C (en) | 2003-08-14 | 2003-08-14 | Slotted antenna for portable wireless communication device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB031526004A CN100397705C (en) | 2003-08-14 | 2003-08-14 | Slotted antenna for portable wireless communication device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1581581A true CN1581581A (en) | 2005-02-16 |
| CN100397705C CN100397705C (en) | 2008-06-25 |
Family
ID=34579857
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB031526004A Expired - Fee Related CN100397705C (en) | 2003-08-14 | 2003-08-14 | Slotted antenna for portable wireless communication device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100397705C (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1881681B (en) * | 2005-06-16 | 2010-09-08 | 财团法人工业技术研究院 | Vertical complementary type fractal antenna |
| CN1921508B (en) * | 2005-08-24 | 2012-01-11 | Lg电子株式会社 | Mobile terminal with internal antenna structure having a sound resonance chamber |
| CN107516761A (en) * | 2017-08-01 | 2017-12-26 | 上海安费诺永亿通讯电子有限公司 | The WLAN antennas of metal fuselage mobile terminal |
| CN112952352A (en) * | 2019-12-10 | 2021-06-11 | RealMe重庆移动通信有限公司 | Wearable electronic equipment |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0514047A (en) * | 1991-07-02 | 1993-01-22 | Kyocera Corp | Slot antenna by coaxial flat resonator |
| JP3280204B2 (en) * | 1995-09-05 | 2002-04-30 | 株式会社日立製作所 | Coaxial resonant slot antenna and method of manufacturing the same |
| US5913174A (en) * | 1996-06-19 | 1999-06-15 | Proxim, Inc. | Connectorized antenna for wireless LAN PCMCIA card radios |
| JP2002032150A (en) * | 2000-05-09 | 2002-01-31 | Sony Corp | Information processor |
-
2003
- 2003-08-14 CN CNB031526004A patent/CN100397705C/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1881681B (en) * | 2005-06-16 | 2010-09-08 | 财团法人工业技术研究院 | Vertical complementary type fractal antenna |
| CN1921508B (en) * | 2005-08-24 | 2012-01-11 | Lg电子株式会社 | Mobile terminal with internal antenna structure having a sound resonance chamber |
| CN107516761A (en) * | 2017-08-01 | 2017-12-26 | 上海安费诺永亿通讯电子有限公司 | The WLAN antennas of metal fuselage mobile terminal |
| CN112952352A (en) * | 2019-12-10 | 2021-06-11 | RealMe重庆移动通信有限公司 | Wearable electronic equipment |
| CN112952352B (en) * | 2019-12-10 | 2022-05-17 | RealMe重庆移动通信有限公司 | Wearable electronic equipment |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100397705C (en) | 2008-06-25 |
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| C06 | Publication | ||
| PB01 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
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| TR01 | Transfer of patent right |
Effective date of registration: 20090515 Address after: No. 3, No. 22, Zhongshan North Road, Zhongshan District, Taiwan, Taipei Co-patentee after: Datong University Patentee after: Tatung Company Address before: No. 3, No. 22, Zhongshan North Road, Zhongshan District, Taiwan, Taipei Patentee before: Datong Co., Ltd. |
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| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080625 Termination date: 20110814 |