CN102956963B - Directional digital TV antenna - Google Patents
Directional digital TV antenna Download PDFInfo
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- CN102956963B CN102956963B CN201110272859.4A CN201110272859A CN102956963B CN 102956963 B CN102956963 B CN 102956963B CN 201110272859 A CN201110272859 A CN 201110272859A CN 102956963 B CN102956963 B CN 102956963B
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- 230000005855 radiation Effects 0.000 claims abstract description 41
- 239000000758 substrate Substances 0.000 claims abstract description 24
- 239000000523 sample Substances 0.000 claims abstract description 6
- 239000002184 metal Substances 0.000 claims abstract description 5
- 229910052751 metal Inorganic materials 0.000 claims abstract description 5
- 239000007769 metal material Substances 0.000 claims description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 4
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 4
- 239000000956 alloy Substances 0.000 claims description 2
- 229910045601 alloy Inorganic materials 0.000 claims description 2
- 239000004411 aluminium Substances 0.000 claims description 2
- 229910052782 aluminium Inorganic materials 0.000 claims description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 2
- 229910052802 copper Inorganic materials 0.000 claims description 2
- 239000010949 copper Substances 0.000 claims description 2
- 239000011889 copper foil Substances 0.000 claims description 2
- 229910052759 nickel Inorganic materials 0.000 claims description 2
- 238000007747 plating Methods 0.000 claims description 2
- 230000009466 transformation Effects 0.000 abstract 2
- 230000000694 effects Effects 0.000 description 5
- 238000002955 isolation Methods 0.000 description 4
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 238000010295 mobile communication Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
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Abstract
The invention discloses a directional digital television antenna, comprising: the antenna comprises an insulating dielectric substrate, a first part on one surface, a second part on the other surface and a metal probe, wherein the first part is provided with three impedance transformation sections with different widths, the second part is in an I shape and comprises a grounding part, a radiation part and an impedance matching part, the metal probe penetrates through the first part, the second part and a through hole of the insulating dielectric substrate to form a loop, and a third impedance transformation section at the uppermost end of the first part and the radiation part and the impedance matching part of the second part are longitudinally divided by a first gap and a second gap respectively.
Description
Technical field
The present invention relates to a kind of antenna, in particular for the directional digital TV antenna received with launch digital television signal.
Background technology
In recent years, along with Digital Television is in conjunction with various portable electronic product, such as, mobile phone, personal digital assistant (Personal Digital Assistant, PDA), mobile computer etc., combining miniaturized digital TV antenna at these portable electronic products becomes trend.But, for the poor effect of general family in the wireless receiving/transmitting of indoor digital TV signal, still need to rely on traditional broadband line.
Although the main cause of the poor effect of wireless receiving/transmitting is mainly that general designed digital TV antenna can reach miniaturized effect, but in order to Mobile Communications, all be designed to omnidirectional antenna, the not directive property of specific direction, gain is relatively low, and it is serious with the mutual coupling of reception antenna, and cause the problem that 3dB beamwidth is comparatively large and isolation is low, thus for general family, Digital Television signal is easily subject to wall or other object stops, and effectively cannot use electromagnetic wave.
Therefore, need one to have directive property, improve antenna gain, reduce the mutual coupling with reception antenna, and improve the directional digital TV antenna of isolation, improve in general family the problem receiving/launch Digital Television signal.
Summary of the invention
In order to solve the problem, main purpose of the present invention is to provide a kind of directional digital TV antenna, and directional digital TV antenna of the present invention comprises: insulative dielectric substrate, has first surface and second surface, and runs through the first through hole of this insulated substrate, Part I, be formed at the central authorities of first surface, there is the first transformer section, second transformer section and the 3rd transformer section, this first transformer section, one second transformer section and one the 3rd transformer section have the first width respectively, second width and the 3rd width, this first width is less than this second width, this second width is less than the 3rd width again, at the 3rd transformer section, there is the first gap and the second through hole, this first gap extends to the junction of the 3rd transformer section and this second transformer section from an edge of the 3rd transformer section, 3rd transformer section is longitudinally divided into symmetrically the 3rd left transformer section and the 3rd right transformer section, and this second through hole is formed in the 3rd left transformer section and the 3rd right transformer section one of them, Part II, formed with this metallic film, be formed on second surface, comprise grounding parts, Department of Radiation, impedance match portion and the second gap, the two ends of this impedance match portion connect this grounding parts respectively and this width penetrates portion, and this grounding parts, this Department of Radiation and this impedance match portion have the 4th width respectively, 5th width and the 6th width, 4th width equals the 5th width, 6th width is less than the 4th width and the 5th width, this Part II is made to form a work shape, this second gap extends to the junction of this impedance match portion and this grounding parts from the edge that this width penetrates portion, this width portion of penetrating longitudinally is divided into left Department of Radiation symmetrically and right width penetrates portion, and this impedance match portion is longitudinally divided into left impedance width and penetrates portion and right impedance width penetrates portion, this Department of Radiation comprises third through-hole, this third through-hole is formed at this left Department of Radiation or this right width and penetrates one of them of portion, and metal probe, through this first through hole, this second through hole and this third through-hole, make this Part I and the electrical connection of this Part II, wherein the lower edge of this first transformer section pastes this first side neat, the lower edge of this grounding parts pastes this first side neat, this the first transformer section connects the heart yearn of a coaxial cable, this grounding parts connects the netted ground connection of this coaxial cable, this first gap and this second gap are positioned at the relative position of this first surface and this second surface, this first transformer section, this second transformer section and the 3rd transformer section axle centered by this first gap, this first through hole, this second through hole and this third through-hole are in alignment with each other.
Feature of the present invention is, by the design of directional digital TV antenna of the present invention, reach good directed radiation/received field, and improve the gain of antenna and there is the effect of the broadening beamwidth of antenna, decrease 3dB wave beam transverse width by good ground connection more simultaneously, and improve isolation, and improve the existing problem of existing digital television signal antenna.
Accompanying drawing explanation
Fig. 1 is the exploded view of directional digital TV antenna of the present invention.
Fig. 2 is the top view of the first surface of directional digital TV antenna of the present invention.
Fig. 3 is the top view of the second surface of directional digital TV antenna of the present invention.
Fig. 4 is the stereogram that directional digital TV antenna of the present invention is combined with base.
Fig. 5 is the position of directional digital TV antenna of the present invention and the relativeness figure of radiation field.
Embodiment
Below join accompanying drawing and more detailed description is done to embodiments of the present invention, those skilled in the art can be implemented according to this after studying this specification carefully.
With reference to figure 1, the exploded view of directional digital TV antenna of the present invention.As shown in Figure 1, this directional digital TV antenna 1 comprises insulative dielectric substrate 10, Part I 30, Part II 50 and a metal probe (not shown).This insulative dielectric substrate 10, be a rectangular thin plate, there is first surface 11 and a second surface 13, and run through one first through hole 15 of this insulated substrate, this insulative dielectric substrate 10 has the first horizontal side 21 and the second side 23, and the 3rd side 25 of longitudinal direction and the 4th side 27.Part I 30 forms film-form with a metal material, and be formed at the central authorities of this first surface 11, there is the different transformer section of three layers of width and one second through hole, be connected with the heart yearn of a coaxial cable (not shown), this Part II 50 forms film-form with this metal material, and be formed on this second surface 13, form a work shape pattern, and there is a third through-hole, as the use of radiation and ground connection, the details of this Part I 30 and this Part II 50 is described in detail with reference to Fig. 2 and Fig. 3.
With reference to figure 2, the top view of the first surface of directional digital TV antenna of the present invention.As shown in Figure 2, Part I 30 is formed at the central authorities of this first surface 11, there is the first transformer section 31, second transformer section 33, 3rd transformer section 35, the both sides of this second transformer section 33 connect this first transformer section 31 and the 3rd transformer section 35 respectively, this first transformer section 31, one second transformer section 33 and one the 3rd transformer section 35 have one first width A respectively, second width B and one the 3rd width C, this first width A is less than this second width B, this second width B is less than the 3rd width C again, i.e. A < B < C, at the 3rd transformer section 35, there is one first gap 37 and one second through hole 39, this first gap 37 extends to the junction of the 3rd transformer section 35 and this second transformer section 33 from an edge of the 3rd transformer section 35, 3rd transformer section 35 is longitudinally divided into one the 3rd left transformer section 41 and one the 3rd right transformer section 43 symmetrically, and this second through hole 39 is formed in the 3rd left transformer section 41 and the 3rd right transformer section 43 one of them, wherein this first transformer section 31, this second transformer section 33 and this first transformer section 35 are using this first gap 37 as central shaft, the aligned in position of this first through hole 39 and this first through hole 15, the lower edge of this first transformer section 31 pastes this first side 21 neat.
In an embodiment of the present invention, this first transformer section 31 is trapezoidal and the shape of rectangle combination, but be not limited thereto, the heart yearn of this trapezoidal connection one coaxial cable (not shown), neat first side 21 is pasted in the short side of this ladder type, the transverse width of rectangle and the transverse width of trapezoidal long side equal this first width A, this second transformer section 33 and the 3rd transformer section 35 are rectangle, this first transformer section 31, second transformer section 33, the length of the 3rd transformer section 35 is respectively the first length E, second length F and the 3rd length G, this first gap 37 has one first gap width H, the length in this first gap 37 is equal to the 3rd length G, the width of the 3rd left transformer section 41 and the 3rd right transformer section 43 is I, distance between 3rd transformer section 35 and this second side is J.
The longitudinal length of insulative dielectric substrate 10 is in the scope of 9.8 ~ 10.2cm, and the transverse width of this insulative dielectric substrate 10 is in the scope of 18.9 ~ 19.3cm; First width A in the scope of 0.4 ~ 0.6cm, the second width B in the scope of 0.5 ~ 0.7cm, the 3rd width C at the scope of 0.6 ~ 0.8cm, the first length E at the scope of 0.6 ~ 1.0cm, the second length F in the scope of 3.2 ~ 3.6cm, the 3rd length at the scope of 2.6 ~ 3.0cm, the first gap width H at the scope of 0.05 ~ 0.15, the transverse width I of the 3rd left transformer section 41 and the 3rd right transformer section 43 in the scope of 0.3 ~ 0.4cm, the 3rd transformer section 35 to this second side 23 distance J 2.8 ~ 3.2 scope; The transverse width D of the trapezoidal short side of this first transformer section 33 is in the scope of 0.1 ~ 0.3cm, and this trapezoidal longitudinal length is in the scope of 0.2 ~ 0.4cm, the transverse width W2 that the two ends of the transverse width W1 that the two ends of the second transformer section 33 inside contract to the first transformer section 31 and the 3rd transformer section 35 inside contract to the second transformer section 33 0.02 ~ 0.07 scope.
With reference to figure 3, the top view of the second surface of directional digital TV antenna of the present invention.As shown in Figure 3, Part II 50, comprises grounding parts 51, Department of Radiation 53, impedance match portion 55, and the second gap 57.The two ends of this impedance match portion 55 connect this grounding parts 51 respectively and this width penetrates portion 53, and this grounding parts 51, this Department of Radiation 53 and this impedance match portion 55 have one the 4th width a respectively, one the 5th width b and the 6th width c, 4th width a equals the 5th width b, 6th width c is less than the 4th width a and the 5th width b, i.e. c < a=b, this Part II 50 is made to form a work shape, this second gap 57 extends to the junction of this impedance match portion 53 and this grounding parts 51 from the edge that this width penetrates portion 53, this width is penetrated portion 53 and be longitudinally divided into a left Department of Radiation 61 symmetrically and a right width penetrates portion 63, and this impedance match portion 55 is longitudinally divided into a left impedance width and penetrates portion 65 and a right impedance width penetrates portion 67, this Department of Radiation comprises a third through-hole 59, this third through-hole 59 is formed at this left Department of Radiation 61 or this right width and penetrates one of them of portion 63, and with the aligned in position of this first through hole 15 and the second through hole 39, the lower edge of this grounding parts 51 pastes this first side 21 neat, and this grounding parts 51 is connected with the netted ground connection (not shown) of this coaxial cable.
This grounding parts 51, this width penetrates portion 53 and this impedance match portion 55 is rectangle, 4th width a and the 5th width b equals the transverse width of this insulative dielectric substrate 10, and this grounding parts 51, the longitudinal length that this width penetrates portion 53 and this impedance match portion 55 is respectively the 4th length d, 5th length e and the 6th length f, this Department of Radiation 53 is the first spacing g with the distance of this second side 23, the both sides that this grounding parts 51 and this width penetrate portion 53 paste neat 3rd side 25 and the 4th side 27 respectively, 4th length d, 5th length e, the summation of the 6th length f and the first spacing g equals the longitudinal length of this insulative dielectric substrate 10, this second gap 57 has the second gap width h, the transverse width that left Department of Radiation and right width penetrate portion is i, the transverse width of left impedance match portion and this right impedance match portion is j, the length k in the second gap equals the summation of the 5th length e and the 6th length f.
4th width a and the 5th width b is equal to the transverse width of this insulative dielectric substrate 10, in the scope of 18.9 ~ 19.3cm, 6th width c is in the scope of 4.3 ~ 4.7cm, 4th length d 0.8 ~ 1.2 scope, 5th length e is in the scope of 3.1 ~ 3.5cm, 6th length f is in the scope of 5.6 ~ 6.0cm, first spacing g is in the scope of 0.05 ~ 0.15cm, second gap width h is in the scope of 0.05 ~ 0.15cm, the right width of left Department of Radiation 61/ penetrates the scope of transverse width i at 9.3 ~ 9.7cm in portion 63, the transverse width i of the right impedance match portion 67 of left impedance match portion 65/ is in the scope of 2.0 ~ 2.4cm.
The impedance of directional digital TV antenna 1 of the present invention is 50 ohm, frequency range is 470 ~ 860MHz, this Part I 30 and this Part II 50 are only by a probe (not shown), connect through this first through hole 15, this second through hole 39 and this third through-hole 59 and make to be electrically connected, this first gap 37 and this second gap 57 are positioned at the relative position of this first surface 11 and this second surface 13.In addition, the metallic film making this Part I 30 and this Part II 50 is made with single or multiple lift plating with aluminium, copper, nickel or its alloy.
With reference to figure 4, the stereogram that directional digital TV antenna of the present invention is combined with base.As shown in Figure 4, directional digital TV antenna 1 of the present invention can connect a base 70 further, this base comprises metallic plate 71 and coaxial cable joint chair 73, the netted ground connection (not shown) of coaxial cable cable is connected with this metallic plate 71, and this coaxial cable (not shown) is fixed on this coaxial cable joint chair 73, the grounding parts 51 of directional digital TV antenna 1, engage with this metallic plate 73, this directional digital TV antenna 1 engages in a vertical manner with this base 70 in the present embodiment, but be not limited thereto, can coated Copper Foil on metallic plate 71 and this grounding parts 51 further.
With reference to figure 5, the position of directional digital TV antenna of the present invention and the relativeness figure of radiation field.As shown in Figure 5, the radiation field of directional digital TV antenna of the present invention and the relativeness of directional antenna of the present invention, demonstrate and electromagnetic wave can be received at a specific direction/launches, larger towards the radiation field intensity in the direction of the second side by the first side again, and it is less towards the radiation field outside the first side at this grounding parts, and there is good directive property, more can improve the gain of antenna.
Feature of the present invention is, by the design of directional digital TV antenna of the present invention, reach good directed radiation/received field, and improve the gain of antenna, and there is the effect of the broadening beamwidth of antenna, decrease 3dB wave beam transverse width by good ground connection more simultaneously, and improve isolation, and improve the existing problem of existing digital television signal antenna.
The foregoing is only and explain preferred embodiment of the present invention, not attempt does any pro forma restriction to the present invention according to this, therefore, all have any modification for the present invention or the change done under identical invention spirit, all must be included in the category of the claims in the present invention.
Claims (8)
1. a directional digital TV antenna, for receiving or launching a digital television signal, it is characterized in that, this directional digital TV antenna comprises:
One insulative dielectric substrate, be a rectangular thin plate, there is a first surface and a second surface, and run through one first through hole of this insulative dielectric substrate, this insulative dielectric substrate has one first horizontal side and one second side, and 1 of longitudinal direction the 3rd side and one the 4th side;
One Part I, film-form is formed with a metal material, and be formed at the central authorities of this first surface, there is one first transformer section, one second transformer section and one the 3rd transformer section, the both sides of this second transformer section connect this first transformer section and the 3rd transformer section respectively, this first transformer section, this second transformer section and the 3rd transformer section have one first width respectively, second width and one the 3rd width, this first width is less than this second width, this second width is less than the 3rd width again, at the 3rd transformer section, there is one first gap and one second through hole, this first gap extends to the junction of the 3rd transformer section and this second transformer section from an edge of the 3rd transformer section, 3rd transformer section is longitudinally divided into symmetrically one the 3rd left transformer section and one the 3rd right transformer section, and this second through hole is formed in the 3rd left transformer section and the 3rd right transformer section one of them,
One Part II, film-form is formed with this metal material, and be formed on this second surface, comprise a grounding parts, one Department of Radiation, one impedance match portion and one second gap, the two ends of this impedance match portion connect this grounding parts and this Department of Radiation respectively, and this grounding parts, this Department of Radiation and this impedance match portion have one the 4th width respectively, one the 5th width and one the 6th width, 4th width equals the 5th width, 6th width is less than the 4th width and the 5th width, this Part II is made to form a work shape, this second gap extends to the junction of this impedance match portion and this grounding parts from an edge of this Department of Radiation, this Department of Radiation is longitudinally divided into symmetrically a left Department of Radiation and a right Department of Radiation, and this impedance match portion is longitudinally divided into a left impedance Department of Radiation and a right impedance Department of Radiation, this Department of Radiation comprises a third through-hole, this third through-hole is formed at one of them of this left Department of Radiation or this right Department of Radiation, and
One metal probe, through this first through hole, this second through hole and this third through-hole, makes this Part I and the electrical connection of this Part II,
Wherein, the lower edge of this first transformer section pastes this first side neat, the lower edge of this grounding parts pastes this first side neat, this the first transformer section connects the heart yearn of a coaxial cable, this grounding parts connects the netted ground connection of this coaxial cable, this first gap and this second gap are positioned at the relative position of this first surface and this second surface, this first transformer section, this second transformer section and the 3rd transformer section axle centered by this first gap, this first through hole, this second through hole and this third through-hole are in alignment with each other.
2. directional digital TV antenna as claimed in claim 1, it is characterized in that, this first transformer section is the shape that a trapezoidal and rectangle combines, this first side neat is pasted in the short side of this ladder type, the transverse width of the transverse width of this rectangle and this trapezoidal long side equals this first width, this second transformer section, 3rd transformer section, this grounding parts, this Department of Radiation and this impedance match portion are rectangle, 4th width and the 5th width equal the transverse width of this insulative dielectric substrate, the left and right sides of this grounding parts and this Department of Radiation pastes the 3rd side and the 4th side of this insulative dielectric substrate neat respectively, this first gap and this second gap have one first gap width and one second gap width respectively, this first transformer section, this second transformer section, 3rd transformer section has one first length respectively, one second length and one the 3rd length, this first length, the summation of this second length and the 3rd length is less than the longitudinal length of this insulative dielectric substrate, this is this grounding parts wherein, this Department of Radiation and this impedance match portion have one the 4th length respectively, one the 5th length and one the 6th length, and this second side of this Department of Radiation and this insulative dielectric substrate has one first spacing, 4th length, 5th length, the summation of the 6th length and this first spacing equals the longitudinal length of this insulative dielectric substrate, the longitudinal length in this first gap equals the 3rd length, the longitudinal length in this second gap equals the summation of the 5th length and the 6th length.
3. directional digital TV antenna as claimed in claim 1, it is characterized in that, comprise a base further, this base comprises a metallic plate and a coaxial cable joint chair, the netted earth terminal of this coaxial cable is connected with this metallic plate, and the grounding parts of this directional digital TV antenna, engage with this metallic plate.
4. directional digital TV antenna as claimed in claim 3, it is characterized in that, this insulative dielectric substrate engages in a vertical manner with this base, further can coated Copper Foil on this metallic plate and grounding parts.
5. directional digital TV antenna as claimed in claim 1, it is characterized in that, the impedance of this directional digital TV antenna is 50 ohm, and the frequency range of this directional digital TV antenna is 470 ~ 860MHz.
6. directional digital TV antenna as claimed in claim 1, is characterized in that, the longitudinal length of this insulative dielectric substrate is in the scope of 9.8 ~ 10.2cm, and the transverse width of this insulative dielectric substrate is in the scope of 18.9 ~ 19.3cm, this first width is in the scope of 0.1 ~ 0.7cm, this second width is in the scope of 0.5 ~ 0.7cm, 3rd width is in the scope of 0.6 ~ 0.8cm, the transverse width of the 3rd left transformer section and the 3rd right transformer section is all in the scope of 0.3 ~ 0.4cm, the transverse width that the two ends of the transverse width that the two ends of the 3rd transformer section inside contract to this second transformer section and this second transformer section inside contract to this first transformer section is in the scope of 0.02 ~ 0.07cm, 4th width and the 5th width are in the scope of 18.9 ~ 19.3cm, 6th width is in the scope of 4.3 ~ 4.7cm, the width of this left Department of Radiation and this right Department of Radiation is in the scope of 9.3 ~ 9.7cm, the width of this left impedance match portion and this right impedance match portion is in the scope of 2.0 ~ 2.4cm.
7. directional digital TV antenna as claimed in claim 2, it is characterized in that, this first length is in the scope of 0.6 ~ 1.0cm, this second length is in the scope of 3.2 ~ 3.6cm, this length is in the scope of 2.6 ~ 3.0cm, 3rd transformer section to the distance of this second side in the scope of 2.8 ~ 3.2cm, 4th length 0.8 ~ 1.2 scope, 5th length is in the scope of 3.1 ~ 3.5cm, 6th length is in the scope of 5.6 ~ 6.0cm, this first spacing is in the scope of 0.05 ~ 0.15cm, the transverse width of trapezoidal long side of this first transformer section and the transverse width of rectangle are in the scope of 0.4 ~ 0.6cm, the transverse width of this trapezoidal short side of this first transformer section is in the scope of 0.1 ~ 0.3cm, this trapezoidal height of this first transformer section is in the scope of 0.2 ~ 0.4cm, this first gap width is in the scope of 0.05 ~ 0.15cm, this second gap width is in the scope of 0.05 ~ 0.15cm.
8. directional digital TV antenna as claimed in claim 1, it is characterized in that, this metal material is aluminium, copper, nickel or its alloy, makes film-form with single or multiple lift plating.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| TW100130766 | 2011-08-26 | ||
| TW100130766A TW201310766A (en) | 2011-08-26 | 2011-08-26 | Directional digital TV antenna |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102956963A CN102956963A (en) | 2013-03-06 |
| CN102956963B true CN102956963B (en) | 2015-08-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110272859.4A Expired - Fee Related CN102956963B (en) | 2011-08-26 | 2011-09-15 | Directional digital TV antenna |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN102956963B (en) |
| TW (1) | TW201310766A (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106850095B (en) * | 2015-12-07 | 2020-05-19 | 上海宇航系统工程研究所 | X-band lunar probe communication receiving and transmitting compatibility testing and analyzing method |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1964136A (en) * | 2005-11-11 | 2007-05-16 | 启碁科技股份有限公司 | Dipole antenna |
| CN101471494A (en) * | 2007-12-28 | 2009-07-01 | 西北工业大学 | X waveband high-gain microstrip antenna based on negative dielectric transmission line |
| JP2011004392A (en) * | 2009-05-20 | 2011-01-06 | Hitachi Chem Co Ltd | Antenna |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB8613322D0 (en) * | 1986-06-02 | 1986-07-09 | British Broadcasting Corp | Array antenna & element |
| JP2005236672A (en) * | 2004-02-19 | 2005-09-02 | National Institute Of Information & Communication Technology | Bow tie type slot antenna |
| TWI317188B (en) * | 2006-10-20 | 2009-11-11 | Hon Hai Prec Ind Co Ltd | Antenna and antenna assembly thereof |
-
2011
- 2011-08-26 TW TW100130766A patent/TW201310766A/en not_active IP Right Cessation
- 2011-09-15 CN CN201110272859.4A patent/CN102956963B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1964136A (en) * | 2005-11-11 | 2007-05-16 | 启碁科技股份有限公司 | Dipole antenna |
| CN101471494A (en) * | 2007-12-28 | 2009-07-01 | 西北工业大学 | X waveband high-gain microstrip antenna based on negative dielectric transmission line |
| JP2011004392A (en) * | 2009-05-20 | 2011-01-06 | Hitachi Chem Co Ltd | Antenna |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102956963A (en) | 2013-03-06 |
| TWI475746B (en) | 2015-03-01 |
| TW201310766A (en) | 2013-03-01 |
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