CN101192709B - Digital television receiver antenna suitable for plug and play device - Google Patents
Digital television receiver antenna suitable for plug and play device Download PDFInfo
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- CN101192709B CN101192709B CN2006101631054A CN200610163105A CN101192709B CN 101192709 B CN101192709 B CN 101192709B CN 2006101631054 A CN2006101631054 A CN 2006101631054A CN 200610163105 A CN200610163105 A CN 200610163105A CN 101192709 B CN101192709 B CN 101192709B
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- digital television
- television receiver
- receiver antenna
- antenna
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Abstract
The invention provides a digital television receiving antenna, which is applicable to a plug and play device. The digital television receiving antenna includes a first conductive part and a second conductive part which is coupled with the first conductive part and has a resonance route; wherein position of the second conductive part can be adjusted correspondingly to the first conductive part; an effective length of the resonance route is larger than a straight-line distance between two endpoints of the resonance route.
Description
Technical field
The present invention is relevant for a kind of antenna, particularly relevant for a kind of digital television receiver antenna that is applicable to plug-and-play apparatus.
Background technology
Present global ground digital television broadcast (Digital Television Broadcasting) mainly contains three cover technical standards, is respectively: U.S. advises ATSC (Advanced Television Systems Committee), reaches Europe rule DVB-T (Digital Video Broadcasting-Terrestrial), Japanese ISDB-T (Terrestrial Integrated Services Digital Broadcasting).Compared to analog television broadcast (AnalogTelevision Broadcasting) system of tradition employing NTSC (National Television Standard Committee) system, digital television broadcasting is the television system that TV signal is converted to " digital signal " by " analog signal ".After the television broadcasting signal digitlization, the mode that can use some signal processing is with digital signal compression in advance before transmission, service efficiency capable of increasing bandwidth like this, also can use the mode of signal processing to remove the noise that digital signal is accumulated in transport process, significantly to improve the received signal quality of client.And because system is advised except having the advantage that moves reception (mobilereception) in Europe, the modulation of this system (COFDM) standard signal more can effectively solve the problem that multi-path (anti-multipath) disturbs, so present stage Taiwan employing is the DVB-T system of Europe rule.
Though existing on the market at present quite a lot of with digital television signal receive, demodulation module designs on a undersized system ground, and is the plug and play digital television receiving apparatus that coffret connects desktop or notebook with USB (Universal Serial Bus).Yet the plug and play digital television receiving apparatus uses the circumscribed reception antenna mostly on the market, this type of circumscribed reception antenna, must need a connection transmission line to be used for connecting antenna and this plug and play digital television receiving apparatus in addition, so except causing the carrying the inconvenience of user, more can take many extra shallow storage space and destroy the attractive in appearance of product, and this connection transmission line is in frequent disconnecting under the use, also makes the loose contact of internal transmission material easily.Taiwan utility model patent M270, No. 510 " being provided with the Digital TV Receiver Box based of antenna ", it uses antenna is traditional rod-pulling type unipole antenna, but because its antenna size when user mode is long, this is a big shortcoming in practical application.For addressing these problems, we propose a kind of plane formula digital television receiver antenna design of innovating downsizing, it not only can produce one and contain the operation frequency range of Taiwan digital TV channel (530-602MHz), and has advantage simple in structure, that making is easy, external form is light and handy.Simultaneously, because antenna of the present invention is through suitable downsizing design, make its not only when user mode the whole height of antenna decline to a great extent, and its antenna when non-working condition also is very easy to directly be bent take in, so antenna of the present invention quite is fit to be applied as the digital television receiver antenna of plug-and-play apparatus.
Summary of the invention
The object of the present invention is to provide a kind of innovation downsizing digital television receiver antenna design that is applicable to plug-and-play apparatus, it not only can produce an operation frequency range and contain Taiwan digital TV channel (530-602MHz), simultaneously antenna of the present invention have simple in structure, make easily, external form is light and handy, be easy to the advantage of direct folding collection.
According to one embodiment of the invention, the present invention discloses a kind of digital television receiver antenna that is applicable to plug-and-play apparatus, and this digital television receiver antenna comprises: one first conductive part; And one second conductive part, be coupled to this first conductive part and have a resonant path, wherein this second conductive part can be adjusted the position with respect to this first conductive part, and an effective length of this resonant path is greater than the air line distance between the two-end-point of this resonant path.
Experimental result of the present invention shows that one embodiment of the invention can contain Taiwan digital TV channel (530-602MHz), and aerial radiation field pattern and radiation efficiency can meet the practical application of digital television receiver antenna.
In this design, we mainly are the modes by the radiation metal arm that wriggles second conductive part of meander-like (that is be), effectively reach the effect that prolongs the antenna current resonant path, and reach the purpose of antenna downsizing, and then make the antenna total height of antenna of the present invention when user mode decline to a great extent, and antenna of the present invention still can be possessed the practical application request that good impedance frequency range and radiation efficiency characteristic satisfy Taiwan digital TV channel (530-602MHz).Because antenna structure of the present invention is simple, making is easy, external form is light and handy, and radiation sheet metal (that is first conductive part) has the system ground that complete shape is applicable as plug-and-play apparatus, so antenna of the present invention quite is fit to be applied as the digital television receiver antenna of plug-and-play apparatus.
Cooperate the detailed description of following accompanying drawing, embodiment, after other purpose of the invention described above and advantage are specified in.
Description of drawings
Fig. 1 is antenna one example structure figure of the present invention.
Fig. 2 is the three-dimensional appearance structural representation of antenna one embodiment of the present invention at non-working condition.
Fig. 3 returns the loss experimental measurements for antenna one embodiment's of the present invention.
Fig. 4 is that antenna one embodiment of the present invention is in the radiation pattern figure of 570MHz.
Fig. 5 is the antenna radiation efficiency figure of antenna one embodiment of the present invention.
Fig. 6 is other example structure figure of antenna of the present invention.
Fig. 7 is other example structure figure of antenna of the present invention.
Fig. 8 is other example structure figure of antenna of the present invention.
Fig. 9 is other example structure figure of antenna of the present invention.
The primary clustering symbol description
101,401,501,601,701 digital television receiver antennas
102,602 radiation sheet metals
103,403,503,603,703 sinuous radiation metal arms
104,604 pliability insulation divisions
105 medium substrates
201 resonant path
202 end points
203 signal feed-in point
204 minor faces
301 subtended angles
302 spacings
Embodiment
Fig. 1 is an embodiment 101 structure charts of antenna of the present invention, as shown in the figure, antenna 101 of the present invention is a kind of digital television receiver antenna that is installed in plug-and-play apparatus (plug-and-play device), comprise: a radiation sheet metal (that is first conductive part (conducting portion)) 102, one sinuous radiation metal arm (that is second conductive part) 103, pliability insulation division (flexible insulating portion) 104 and medium substrate 105, wherein this radiation sheet metal 102 is the radiant body (radiator) of a pair of resonance with the radiation metal arm 103 that should wriggle.This radiation sheet metal 102 be the radiation metal flat board (radiating metal plate) of a rectangle sheet haply, and it is the system ground (system ground) of plug-and-play apparatus.Radiation metal arm 103 electrical couplings of should wriggling are to this radiation sheet metal 102, and and have a subtended angle (flare angle) or angle 301 between this radiation sheet metal 102, and one of them end points of the resonant path (resonance path) 201 on the radiation metal arm 103 that should wriggle is the signal feed-in point (signalfeed point) 203 of antenna 101, and 204 of minor faces of this signal feed-in point 203 and this radiation sheet metal 102 have the spacing 302 of a predeterminable range.This subtended angle 301 between 45 spend to 180 the degree between, the spacing 302 of this predeterminable range less than
As shown in the figure, radiation metal arm 103 was meander-like (meandering) owing to should wriggle, therefore should wriggle the effective length (dotted portion as shown in Figure 1) of resonant path 201 of radiation metal arm 103 greater than the air line distance of 202,203 of the two-end-points of resonant path 201, thus, antenna 101 of the present invention can effectively reach the effect that prolongs antenna current resonant path 201 by this sinuous radiation metal arm 103, and reach the purpose of downsizing, and then make the antenna total height of antenna 101 of the present invention when user mode decline to a great extent.In addition, plug-and-play apparatus can be the electronic installation with USB (universal serial bus) (Universal Serial Bus interface, USB interface).
Fig. 2 is that antenna 101 of the present invention is in the three-dimensional appearance structural representation (when subtended angle 301 is zero degree) of non-working condition (that is collapse state).Because the radiation sheet metal 102 of antenna 101 of the present invention and the radiation metal arm 103 that wriggles are light and handy laminar, make when antenna 101 of the present invention is applied as the digital television receiver antenna of plug-and-play apparatus, it cooperates various shape-designings easily, and reaches effect attractive in appearance when user mode.When non-working condition, antenna 101 of the present invention also quite is easy to direct folding collection.
Further, as shown in Figure 1, medium substrate 105 is coupled to radiation sheet metal 102 via pliability insulation division 104, therefore by with 104 bendings of pliability insulation division, medium substrate 105 (and the sinuous radiation metal arm 103 on the medium substrate 105) can be adjusted the position with respect to radiation sheet metal 102, more and, as shown in Figure 2, when sinuous radiation metal arm 103 was adjusted to a stowed position (closed position) (that is radiation metal arm 103 positions of wriggling among Fig. 2) with respect to radiation sheet metal 102, radiation sheet metal 102 was parallel substantially with sinuous radiation metal arm 103.
Fig. 3 returns loss (return loss) experimental measurements for antenna one embodiment's 101 of the present invention, present embodiment is selected the measurement that experimentizes of following size: this radiation sheet metal 102, shape is roughly a rectangle sheet, and its length is that 90mm, width are 20mm.Be somebody's turn to do the radiation metal arm 103 that wriggles, it is the 7mm except least significant end metal arm width, and all the other sinuous metal arm width are 4mm, and standoff distance also is 4mm between the adjacent metal arm.And the whole height of the radiation metal arm 103 that should wriggle is that 95mm, integral width are 20mm.Be somebody's turn to do the subtended angle of wriggle radiation metal arm 103 and this radiation sheet metal 102
Equal 90 degree.And the spacing 302 of the predeterminable range of 204 of minor faces of the aerial signal load point 203 of the radiation metal arm 103 that should wriggle and this radiation sheet metal 102 is 2mm.The radiation metal arm 103 that should wriggle is formed at by printing technology or etching technique on the surface of medium substrate 105 that a thickness is 0.8mm.With reference to figure 3, represent to return the loss value by the longitudinal axis, transverse axis is represented frequency of operation, can observe by the measurement result of returning loss, antenna 101 of the present invention is in Taiwan digital TV channel (530-602MHz), antenna returns the loss value and all is higher than 6dB, and generally speaking, this antenna returns loss level can satisfy the practical application request that digital television signal receives.If this subtended angle of antenna 101 of the present invention
When spending less than 45, antenna 101 of the present invention return the loss value with quick variation, therefore cause the impedance frequency range reduction of antenna 101 of the present invention, and can't satisfy the frequency range demand of Taiwan digital TV channel (530-602MHz) fully.In addition, when the spacing 302 of this predeterminable range of antenna 101 of the present invention during greater than 5mm, what also can cause antenna 101 of the present invention returns loss value variation.
Fig. 4 is the radiation pattern figure of antenna one embodiment 101 of the present invention at 570MHz, result by gained, the radiation pattern of horizontal plane (x-y face) all is roughly an omni-directional (omnidirectional) radiation pattern, satisfies the application demand of general digital TV channel.
Fig. 5 is the antenna radiation efficiency figure of antenna one embodiment 101 of the present invention in its operational frequency bands, with reference to figure 5, the longitudinal axis is represented antenna radiation efficiency, transverse axis is represented frequency of operation, by the result of gained, in Taiwan digital TV channel (530-602MHz), the radiation efficiency of antenna 101 all is higher than 60%, generally speaking, satisfy the practical application request of digital TV channel operation.
As from the foregoing, antenna 101 of the present invention operates in the frequency range of Taiwan digital TV channel (530-602MHz), in addition, under the condition of the subtended angle (that is angle) 301 that antenna 101 of the present invention operates in 103 on radiation sheet metal 102 and sinuous radiation metal arm greater than 45 degree (that is spend between 45) between 180 degree, more and, antenna 101 of the present invention operates under the condition of beeline less than 5mm between signal feed-in point 203 and the radiation sheet metal 102.
Fig. 6 and Fig. 7 are other embodiment 401 and other embodiment 501 structure charts of antenna of the present invention, though the sinuous radiation metal arm (that is second conductive part) 403 of this embodiment 401 and sinuous radiation metal arm (that is second conductive part) 503 its shapes of this embodiment 501 and embodiment 101 be difference to some extent, but because it also all can reach the effect that prolongs the antenna current resonant path, so also can make antenna 401,501 of the present invention reach the purpose of downsizing.And except the shape difference of this sinuous radiation metal arm 403 and the radiation metal arm 503 that should wriggle, this embodiment 401 is all identical with this embodiment 101 with these embodiment 501 other structures.This embodiment 401 and this embodiment 501 also all can satisfy the impedance frequency range and the radiation efficiency demand of Taiwan digital TV channel (530-602MHz).
Fig. 8 is other embodiment 601 structure charts of antenna of the present invention, this embodiment 601 forms (so antenna 601 does not comprise any medium substrate) except the radiation metal arm (that is second conductive part) 603 that wriggles changes by a single sheet metal cutting making, and other structure is all similar with this embodiment 101.The radiation metal arm 603 that should wriggle also can effectively prolong the antenna current resonant path, makes antenna 601 of the present invention reach the purpose of downsizing.And this embodiment 601 also can satisfy the impedance frequency range and the radiation efficiency demand of Taiwan digital TV channel (530-602MHz).Further, the radiation metal member (radiating metal component) that the radiation metal arm 603 that wriggles is formed in one and being positioned at substantially on the same plane (plane), and, pliability insulation division 604 is to be connected between radiation sheet metal 602 and the sinuous radiation metal arm 603, makes sinuous radiation metal arm 603 can adjust the position with respect to radiation sheet metal 602.
Fig. 9 is other embodiment 701 structure charts of antenna of the present invention, this embodiment 701 forms (so antenna 701 does not comprise any medium substrate) except the radiation metal arm (that is second conductive part) 703 that wriggles changes by radiation metal lead (radiating metal wire) making, and other structure is all identical with a last embodiment 601.The radiation metal arm 703 that should wriggle also can effectively prolong the antenna current resonant path, makes antenna 701 of the present invention reach the purpose of downsizing.This embodiment 701 also can satisfy the impedance frequency range and the radiation efficiency demand of Taiwan digital TV channel (530-602MHz).
Comprehensive above-mentioned explanation, antenna of the present invention only prolongs the antenna current resonant path by the method for the radiation metal arm that wriggles, can be so that antenna of the present invention be reached the purpose of downsizing, and make the antenna whole height decline to a great extent, and still can possess the practical application request that good impedance frequency range and radiation efficiency satisfy Taiwan digital TV channel (530-602MHz).So antenna of the present invention quite is fit to be applied as the digital television receiver antenna of plug-and-play apparatus.Antenna structure of the present invention again is simple, external form is light and handy, make easily and cost of manufacture low, definite functions, so antenna of the present invention very has a high industrial using value, is enough to meet the category of invention.
The embodiment that is narrated only is the principle and the effect thereof of explanation apparatus of the present invention in the above description, and unrestricted the present invention.Therefore, the insider can make amendment to the foregoing description without prejudice to spirit of the present invention and change.Interest field of the present invention should be listed as claims.
The above only is the preferred embodiments of the present invention, and is all according to equalization variation and modification that the present invention did, all should belong to covering scope of the present invention.
Claims (10)
1. digital television receiver antenna that is applicable to plug-and-play apparatus, it is characterized in that: described digital television receiver antenna comprises:
One first conductive part, this first conductive part are a rectangular radiation metal flat board;
One second conductive part, be coupled to this first conductive part and have a resonant path, this first conductive part and this second conductive part radiant body that is a pair of resonance wherein, this second conductive part can be adjusted the position with respect to this first conductive part, and an effective length of this resonant path is greater than the air line distance between the two-end-point of this resonant path; And
One pliability insulation division is connected between this first conductive part and this second conductive part, makes this second conductive part to adjust the position with respect to this first conductive part;
Wherein, when second conductive part was opened with an angle with respect to first conductive part, this digital television receiver antenna was in user mode, and when described angle was zero degree, this digital television receiver antenna was in non-working condition.
2. digital television receiver antenna according to claim 1 is characterized in that: wherein this second conductive part is meander-like.
3. digital television receiver antenna according to claim 1 is characterized in that: described digital television receiver antenna also comprises:
One substrate is coupled to this first conductive part and can adjusts the position with respect to this first conductive part;
Wherein, this second conductive part is via printing technology or etching technique and be formed on the surface of this substrate.
4. digital television receiver antenna according to claim 1 is characterized in that: wherein this second conductive part is in the same plane substantially.
5. digital television receiver antenna according to claim 1 is characterized in that: the radiation metal member that is formed in one of this second conductive part wherein.
6. digital television receiver antenna according to claim 5 is characterized in that: wherein this second conductive part is the radiation metal lead.
7. digital television receiver antenna according to claim 1 is characterized in that: wherein at described non-working condition, this first conductive part is parallel substantially with this second conductive part.
8. digital television receiver antenna according to claim 1 is characterized in that: wherein in described user mode, described angle is greater than 45 degree.
9. digital television receiver antenna according to claim 1, it is characterized in that: wherein one of them of the two-end-point of this resonant path is a signal feed-in point of this digital television receiver antenna, and this digital television receiver antenna operates under the condition of a beeline less than 5mm between this signal feed-in point and this first conductive part.
10. digital television receiver antenna according to claim 1 is characterized in that: wherein this digital television receiver antenna is installed in a plug-and-play apparatus, and this first conductive part is a system ground of this plug-and-play apparatus.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2006101631054A CN101192709B (en) | 2006-11-30 | 2006-11-30 | Digital television receiver antenna suitable for plug and play device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2006101631054A CN101192709B (en) | 2006-11-30 | 2006-11-30 | Digital television receiver antenna suitable for plug and play device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101192709A CN101192709A (en) | 2008-06-04 |
| CN101192709B true CN101192709B (en) | 2011-11-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2006101631054A Expired - Fee Related CN101192709B (en) | 2006-11-30 | 2006-11-30 | Digital television receiver antenna suitable for plug and play device |
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| Country | Link |
|---|---|
| CN (1) | CN101192709B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202178373U (en) * | 2011-08-08 | 2012-03-28 | 深圳市大富科技股份有限公司 | Radio frequency communication device, coupling module and coupling adjustment mechanism thereof |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4313119A (en) * | 1980-04-18 | 1982-01-26 | Motorola, Inc. | Dual mode transceiver antenna |
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2006
- 2006-11-30 CN CN2006101631054A patent/CN101192709B/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4313119A (en) * | 1980-04-18 | 1982-01-26 | Motorola, Inc. | Dual mode transceiver antenna |
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| CN101192709A (en) | 2008-06-04 |
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