CN2187841Y - Two-axle receive antenna device - Google Patents
Two-axle receive antenna device Download PDFInfo
- Publication number
- CN2187841Y CN2187841Y CN 94206209 CN94206209U CN2187841Y CN 2187841 Y CN2187841 Y CN 2187841Y CN 94206209 CN94206209 CN 94206209 CN 94206209 U CN94206209 U CN 94206209U CN 2187841 Y CN2187841 Y CN 2187841Y
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- pitching
- securing member
- size
- azimuth
- millimeters
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- Expired - Fee Related
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Abstract
The utility model discloses a two-axle receive antenna device, which comprises a feed, a strut, a reflection plane, an aerial housing, an antenna boom, an orientation pitch device, an azimuth axis bracket, a base, etc. The orientation pitch angle of the utility model adopts the alteration of an orientation pitch two-axle carrier wheel driving device, and thus the antenna has the advantages of simple structure, small volume, light weight, easy production and low cost. Besides, the utility model uses the high-duty low-loss aerial housing to cause the aerial to work all day. Thus the utility model is an ideal antenna device for receiving equipment of communication, television, meteorological phenomena cloud chart, etc., and has a great value of popularization and application.
Description
A kind of two receipts antenna assemblies that are coupling that the utility model relates to that apparatus field such as radio communication, TV, weather nephogram reception use.
At present, be used to communicate by letter, the small-bore parabolic antenna apparatus of equipment such as TV, weather nephogram reception, for the influence of resisting wind load, sleet load to satisfy the requirement of aspects such as intensity, rigidity, the size of its antenna assembly member is big, weight is also heavy, and must select powerful CD-ROM drive motor for use, make the manufacturing cost of entire antenna system improve like this, bring difficulty to use, but also to be subjected to wind, Exposure to Sunlight inevitably, drench with rain, external force deformation and corrosion cause unnecessary economic loss.
The purpose of this utility model is to avoid the weak point in the above-mentioned background technology and a kind of two of low-loss radome receipts antenna assembly that is coupling that has is provided, therefore the utility model can avoid wind, Exposure to Sunlight, drench with rain, the influence of corrosion external force deformation, and the utility model also have simple in structure, volume is little, characteristics such as in light weight, with low cost.
The purpose of this utility model is achieved in that it is made up of feed 1, three poles 2, reflecting surface 3, radome 4, antenna holder 5, azimuth pitch mechanism 6, azimuth axis support 7, chassis 8.Wherein azimuth axis support 7 lower ends are fixed on the chassis 8 with securing member, azimuth pitch mechanism 6 is movably arranged in the azimuth axis support 7 upper end axis holes, antenna holder 5 usefulness securing members are fixedly mounted on the left and right sides pitching plate 9,23 of azimuth pitch mechanism 6, reflecting surface 3 usefulness securing members are fixed on the antenna holder 5, one end of three poles 2 is installed in the front of reflecting surface 3 respectively with the securing member symmetry, the other end is installed feed 1 with securing member, and the bottom was fixed on the chassis 8 with securing member after radome 4 covered the entire antenna device.
The utility model can also reach by following measure: the new azimuth pitch mechanism 6 of this practicality is made up of left and right sides pitching plate 9,23, tilt motor 10, pitching sprocket wheel 14, left and right sides pitch axis 13,20, pitching frame 15, bearing transmitter 16, bearing 18, synchronous pulley 17, orientation motor 19, shaft coupling 21, pitching transmitter 22, orientation sprocket wheel 26, azimuth axis 27.Wherein azimuth axis 27 lower ends are installed in the azimuth axis support 7 upper end axis holes, back installation position bearing 18 is fixed with securing member in the upper end, outside bearing 18, put and use fixedly pitching frame 15 of securing member suit, make pitching frame 15 make azimuth rotation around azimuth axis 27, on azimuth axis 27, use securing member constant bearing sprocket wheel 26, on pitching frame 15 right sides, use securing member installation position motor 19,19 in orientation motor is gone up with securing member installation minor sprocket 24 and by chain 25 and orientation sprocket wheel 26 and is in transmission connection, and the rotation of orientation motor 19 is by chain 25, the transmission of orientation sprocket wheel 26 makes pitching frame 15 make azimuth rotation; On pitching frame 15 left sides, use securing member installation position transmitter 16, with securing member synchronous pulley 17 is installed in azimuth axis 27 upper ends, synchronous pulley 28 on 16 of the bearing transmitters is by being with 29 to be in transmission connection with synchronous pulley 17 synchronously, the rotation of pitching frame 15 by be with 29 synchronously, synchronous pulley 17 transmissions make 16 of bearing transmitters go up synchronous pulleys 28 rotations; On pitching frame about 15 ends, by left and right sides pitching 13,20 activities left and right sides pitching plates 9,23 are installed respectively, left pitch axis 13 places on left pitching plate 9 fixedly mount pitching sprocket wheel 14 with securing member, with securing member tilt motor 10 is installed at pitching frame 15 lower-left ends, minor sprocket 11 on 10 of the tilt motor is in transmission connection by chain 12 and pitching sprocket wheel 14, and the rotation of tilt motor 10 makes left and right sides pitching plate 9,23 do elevating movement; On right pitching plate 23, fixedly mount pitching transmitter 22 with securing member, the axle of pitching transmitter 22 is fixedlyed connected with right pitch axis 20 by spring coupling 21, drives 22 rotations of pitching transmitter by spring coupling 21 when left and right sides pitching plate 9,23 is done elevating movement.
The utility model feed 1 is made up of input plug 36, reflecting disc 37, conductor 38, oscillator bar 40.Input plug 36 usefulness securing members are fixedly mounted on reflecting disc 37 left surfaces, oscillator bar 40 usefulness securing members are fixedly mounted on reflecting disc 37 right flanks, conductor 38 usefulness copper clad plates corrode into copper chaff and copper clad plate are fixedly mounted on oscillator bar 40 upper sides with securing member, the welding of conductor 38 1 ends and input plug 36 center conductors, other end welding feed line 39 also passes feed line 39 on the downside that oscillator bar 40 is welded on oscillator bar 40.
Half oscillator length size, 41,42 sizes of the utility model oscillator bar 40 are 30 to 40 millimeters, reflecting disc 37 is to being 35 to 55 millimeters apart from size 43 sizes between half oscillator of oscillator bar 40, and conductor 38 copper chaff width dimensions 44 sizes are 1.2 to 2.5 millimeters.
The utility model radome 4 is made by the spherical surface body plate of 2 to 8 spherical structures, be integral with the securing member connection between the spherical surface body plate of 2 to 8 spherical structures, radome 4 bottoms are fixedly mounted on the chassis 8 with securing member, and radome 4 usefulness glass-reinforced plastic materials are made.
Spherical radius size 46 sizes of the utility model radome 4 are 750 to 1500 millimeters, and it is 500 to 800 millimeters that radome 4 transition connect arc radius size 48 sizes, and garden, radome 4 bottom cylinder diameter dimension 49 sizes are 1500 to 2000 millimeters.
The utility model has been compared following advantage with background technology:
1. the utility model is provided with radome, can avoid wind, Exposure to Sunlight, drench with rain, the influence of corrosion external force deformation, and radome has high strength, low-loss characteristics.
2. owing to the utlity model has the protection of radome, make therefore that antenna structure is simple, volume is little, in light weight, with low cost.
3. the utility model azimuth pitch is regulated sensitivity, and dependable performance has application value.
Below in conjunction with accompanying drawing the utility model is described in further detail.
Fig. 1 is the utility model structural representation.
Fig. 2 is the structural representation of the utility model azimuth pitch mechanism 6.
Fig. 3 is the structural representation of the utility model feed 1.
Fig. 4 is that the A of the utility model Fig. 3 is to view.
Fig. 5 is the structural representation of the utility model radome.
Referring to figs. 1 through Fig. 5, the utility model is made up of feed 1, three poles 2, reflecting surface 3, radome 4, antenna holder 5, azimuth pitch mechanism 6, azimuth axis support 7, chassis 8.Be fixed on the chassis 8 with securing member behind the azimuth axis support 7 lower end welding flanges, it is that 80 millimeters, inner diameter hole are that 60 millimeters thick tube materials are made that embodiment azimuth axis support 7 adopts commercially available diameter, its length is generally 700 millimeters, chassis 8 adopts the steel plate materials of commercially available 10 millimeters thick to make, its diameter is generally 600 millimeters sizes, uses at ordinary times to place to be fixed on ground or the equipment flat board.The azimuth axis 27 of movable installation position luffing mechanism 6 in azimuth axis support 7 upper end axis holes, the utility model azimuth pitch mechanism 6 is made up of left and right sides pitching plate 9,23, tilt motor 10, pitching sprocket wheel 14, left and right sides pitch axis 13,20, pitching frame 15, bearing transmitter 16, bearing 18, synchronous pulley 17, orientation motor 19, shaft coupling 21, pitching transmitter 22, orientation sprocket wheel 26, azimuth axis 27.Fixedly mount bearing 18 in azimuth axis 27 upper ends with securing member, outer the putting of bearing 18 used fixedly pitching frame 15 of securing member suit, make pitching frame 15 can make azimuth rotation around azimuth axis 27 by bearing 18, azimuth axis 27 is locked in the axis hole in the azimuth axis support 7 by the lock-screw on the azimuth axis support 7 during use, the commercially available diameter of embodiment azimuth axis 27 employings is that 50 millimeters tube material is made, bearing 18 adopts commercially available 36206 profile shafts to hold, and pitching frame 15 adopts commercially available No. 10 channel-section steels to make.On the azimuth axis 27 of bearing 18 bottoms, use securing member constant bearing sprocket wheel 26, on pitching frame 15 right sides, use securing member installation position motor 19,19 in orientation motor is gone up with securing member installation minor sprocket 24 and by chain 25 and orientation sprocket wheel 26 and is in transmission connection, when orientation motor 19 rotates, minor sprocket 24 rotates by chain 25 and drives 26 rotations of orientation sprocket wheel, makes pitching frame 15 finish the orientation motion around azimuth axis 27.Embodiment orientation sprocket wheel 26, minor sprocket 24 adopt steel self-control machining to form, and chain 25 adopts 1/4 inch standard chain, and orientation motor 19 adopts commercially available 90BF001 type servo motor.On the azimuth axis 27 of bearing 18 tops, fixedly mount synchronous pulley 17 with securing member, on pitching frame 15 left sides, fixedly mount bearing transmitters 16 by support 35 with securing member, synchronous pulley 28 on 16 of the bearing transmitters is by being with 29 to be in transmission connection with synchronous pulley 17 synchronously, the rotation of pitching frame 15 is by synchronous pulley 17, be with 29 to make 16 of bearing transmitters go up synchronous pulleys 28 to rotate synchronously during its work, export the orientation angles that pitching frame 15 rotates, reach the purpose of control of azimuth.Embodiment synchronous pulley 17,28 adopts the nylon material compacting to form, and is with 29 to adopt the nylon tape material synchronously, and bearing transmitter 16 adopts commercially available multipole binary channels rotation transmitter.
Also using the movable left and right sides pitching plate 9,23 of installing of securing member behind the bearing set 34 by left and right sides pitch axis 13,20 respectively on pitching frame about the 15 end epipleurals, on the left pitching plate 9 at left pitch axis 13 places, fixedly mount pitching sprocket wheel 14 with securing member, with securing member tilt motor 10 is installed at pitching frame 15 lower-left ends, minor sprocket 11 on the axle of tilt motor 10 is in transmission connection by chain 12 and pitching sprocket wheel 14, and the rotation of tilt motor 10 makes left and right sides pitching plate 9,23 do elevating movement around pitch axis 13,20.Embodiment left and right sides pitch axis 13,20, pitching sprocket wheel 14, minor sprocket 11, employing merchant steel material self-control machining form, and chain 12 adopts 1/4 inch standard chain.Left and right sides pitching plate 9,23 adopts commercially available 20 millimeters hot rolled steel plate material mechanical to process, tilt motor 10 adopts commercially available 90BF006 type stepper motor, right pitch axis 20 places at right pitching plate 23 fixedly mount pitching transmitter 22 with securing member, the axle of pitching transmitter 22 is fixedlyed connected with right pitch axis 20 by spring coupling 21, when doing elevating movement, left and right sides pitching plate 9,23 drives 22 rotations of pitching transmitter by spring coupling 21, pitching transmitter 22 output luffing angles reach the purpose that the angle of pitch is measured.Embodiment spring coupling 21 usefulness merchant steel material machinings form, and pitching transmitter 22 adopts commercially available multipole binary channels rotation transmitter.
Both sides at the left and right sides of azimuth pitch mechanism 6 pitching plate 9,23 fixedly mount antenna holder 5 with securing member, antenna holder 5 links into an integrated entity left and right sides pitching plate 9,23, embodiment antenna holder 5 adopts commercially available XC111-56 type angle aluminum to be machined into frame structure, fixedly mount antenna reflective face 3 with securing member in the tank bracket in the middle of above antenna holder 5, if reflecting surface 3 physical dimensions are big, then the size of antenna holder 5 is also corresponding big, the aluminium alloy plate material spinning of embodiment reflecting surface 3 usefulness 2.5 millimeters thick forms, and the diameter dimension of its reflecting surface is 2 meters.An end of three poles 2 is installed with the securing member symmetry in front at reflecting surface 3, the other end of three poles 2 is installed feed 1 with securing member, and making the reflecting disc 37 and antenna reflective face 3 relative installations of feed 1, three poles of embodiment 2 adopt commercially available aluminium bar material to form.
Feed 1 of the present utility model is made up of input plug 36, reflecting disc 37, conductor 38, oscillator bar 40.Input plug 36 usefulness securing members are fixedly mounted on reflecting disc 37 left surfaces, oscillator bar 40 usefulness securing members are fixedly mounted on reflecting disc 37 right flanks, the aluminium sheet material of embodiment reflecting disc 37 usefulness 2 millimeters thick is machined into garden dish structure, its diameter is 150 millimeters, oscillator bar 40 usefulness brass materials are processed into the bathtub construction that both sides have oscillator, its half oscillator length size 41.42 size is 30 to 40 millimeters, embodiment all adopts 32 mm sizes to make, its reflecting disc 37 is to being 35 to 55 millimeters apart from size 43 sizes between half oscillator, and embodiment reflecting disc 37 is processed into 40 millimeters apart from size 43 between half oscillator.Conductor 38 usefulness copper clad plates corrode into copper chaff, its length and reflecting disc 37 are to identical apart from size 43 between half oscillator, its size 44 sizes of the copper chaff width of conductor 38 are 1.2 to 2.5 millimeters, its width of embodiment is processed into 1.2 millimeters, and be fixedly mounted on the copper clad plate that has conductor 38 on the upper side of oscillator bar 40 with securing member, the center conductor welding of conductor 38 1 ends and input plug 36, behind the other end welding feed line 39, and pass up and down that oscillator bar 40 is welded on feed line 39 on the downside of following oscillator bar 40 again to feed line 39, the general plastic wire of feed line 39 usefulness is made and is got final product, and input plug 36 joins with external incoming feeder.
The utility model radome 4 is made by the spherical surface body plate of 2 to 8 spherical structures, be integral with the securing member connection between the spherical surface body plate of 2 to 8 spherical structures, embodiment adopts the spherical surface body plate of 4 spherical structures to make, link into an integrated entity with the securing member installation by its flange, the radome 4 of 4 blocks of spherical surface body plates adopts the intensity height, the low glass-reinforced plastic material of loss is made, the bottom of radome 4 is fixedly mounted on the chassis 8 with securing member, and cover the entire antenna device, embodiment chassis 8 adopts the steel plate materials of commercially available 5 millimeters thick to be made into garden dish structure, and have oblong aperture above that, be convenient to observe and maintenance.Spherical radius size 46 sizes of radome 4 are 750 to 1500 millimeters, and embodiment adopts 800 mm sizes to make.Radome 4 ball centre are 800 to 1600 millimeters to the size of distance from bottom size 47, and embodiment adopts 900 mm sizes to make, and the size that radome 4 transition connect lonely radius size 48 is 500 to 800 millimeters, and embodiment adopts 600 mm sizes to make.Garden, radome 4 bottom cylinder diameter dimension 49 sizes are 1500 to 2000 millimeters, and embodiment adopts 1500 mm sizes to make, and its size is by the 6 sizes decision of azimuth pitch mechanism.
The concise and to the point action principle of the utility model is as follows: drive pitching frame 15 and make azimuth rotation around azimuth axis 27 when orientation motor 19 rotates, the angular dimension of azimuth rotation is measured the back by bearing transmitter 16 and is controlled at the orientation angles of work by external servomechanism installation automatically.When tilt motor 10 is rotated, drive left and right sides pitching plate 9,23 and do elevating movement around pitch axis 13,20; the angular dimension of pitching is measured the back by pitching transmitter 22 and is controlled at the luffing angle of work by external servomechanism installation automatically; because the protection of radome 4; the utility model can all weather operations; and the azimuth pitch angle is changed into chain drive and is not afraid of dust, therefore the utlity model has using value widely.
Claims (7)
1, a kind of by reflecting surface (3), three poles (2), antenna holder (5), azimuth axis support (7), the two receipts antenna assemblies that are coupling that chassis (8) is formed, it is characterized in that azimuth pitch mechanism (6) in addition, feed (1), radome (4) is formed, wherein azimuth axis support (7) lower end is fixed on the chassis (8) with securing member, azimuth pitch mechanism (6) is movably arranged in the axis hole of azimuth axis support (7) upper end, antenna holder (5) is fixedly mounted on the left and right sides pitching plate (9) of azimuth pitch mechanism (6) with securing member, (23) on, reflecting surface (3) is fixed on the antenna holder (5) with securing member, one end of three poles (2) is installed in the front of reflecting surface (3) respectively with the securing member symmetry, the other end is installed on the feed (1) with securing member, and the bottom was fixed on the chassis (8) with securing member after radome (4) covered the entire antenna device.
2, the according to claim 1 two receipts antenna assemblies that are coupling, it is characterized in that the orientation faces upward mechanism (6) by left and right sides pitching plate (9), (23), tilt motor (10), pitching sprocket wheel (14), left and right sides pitch axis (13), (20), pitching frame (15), bearing transmitter (16), bearing (18), synchronous pulley (17), orientation motor (19), shaft coupling (21), pitching transmitter (22), orientation sprocket wheel (26), azimuth axis (27) is formed, wherein azimuth axis lower end (27) are movably arranged in the axis hole of azimuth axis support (7) upper end, the upper end fixedly mounts bearing (18) with securing member, outside bearing (18), put fixedly pitching frame (15) of suit, make pitching frame 15 can center on azimuth axis (27) and make azimuth rotation, go up with securing member constant bearing sprocket wheel (26) at azimuth axis (27), on pitching frame (15) right side, use securing member installation position motor (19), with securing member minor sprocket (24) is installed on orientation motor (19) axle and also is in transmission connection by chain (25) and orientation sprocket wheel (26), the rotation of orientation motor (19) is by chain (25), the transmission of orientation sprocket wheel (26) makes pitching frame (15) make azimuth rotation; On pitching frame (15) left side, use securing member installation position transmitter (16), with securing member synchronous pulley (17) is installed in azimuth axis (27) upper end, synchronous pulley (28) on bearing transmitter (16) axle is in transmission connection by being with (29) and synchronous pulley (17) synchronously, and the rotation of pitching frame (15) rotates the synchronous pulley (28) on bearing transmitter (16) axle by band (29), synchronous pulley (17) transmission synchronously; On end about pitching frame (15), by left and right sides pitch axis (13), (20) activity left and right sides pitching plate (9), (23) are installed respectively, left pitch axis (13) on left pitching plate (9) is located with securing member fixed installation pitching sprocket wheel (14), end is installed tilt motor (10) with securing member in pitching frame (15) lower-left, minor sprocket (11) on tilt motor (10) axle is in transmission connection by chain (12) and pitching sprocket wheel (14), and the rotation of tilt motor (10) makes left and right sides pitching plate (9), (23) do elevating movement; Go up with securing member fixed installation pitching transmitter (22) at right pitching plate (23), the axle of pitching transmitter (22) is fixedlyed connected with right pitch axis (20) by spring coupling (21), and left and right sides pitching plate (9), (23) drive pitching transmitter (22) axle by spring coupling (21) when doing elevating movement and rotate.
3, the according to claim 1 and 2 two receipts antenna assemblies that are coupling, it is characterized in that orientation motor (19) centre distance size (a 32) size to azimuth axis (27) is 150 to 300 millimeters in the azimuth pitch mechanism (6), bearing transmitter (16) axle to centre distance size (31) size of azimuth axis (27) is 120 to 250 millimeters, be 600 to 1500 millimeters apart from size (33) size between left and right sides pitching plate (9), (23), tilt motor (10) axle to centre distance size (30) size of left pitch axis (13) is 180 to 300 millimeters.
4, the according to claim 3 two receipts antenna assemblies that are coupling, it is characterized in that feed (1) is by input plug (36), reflecting disc (37), conductor (38), oscillator bar (40) is formed, input plug (36) is fixedly mounted on reflecting disc (37) left surface with securing member, oscillator bar (40) is fixedly mounted on reflecting disc (37) right flank with securing member, conductor (38) corrodes into copper chaff with copper clad plate and copper clad plate is installed on oscillator bar (40) upper side with securing member, conductor (38) one ends and the welding of input plug (36) center conductor, the other end welds feed line (39) and feed line (39) is passed oscillator bar (40) and is welded on the downside of oscillator bar (40).
5, the according to claim 4 two receipts antenna assemblies that are coupling, half oscillator length size (41), (42) size of it is characterized in that oscillator bar (40) are 30 to 40 millimeters, reflecting disc (37) is to being 35 to 55 millimeters apart from size (43) size between half oscillator of oscillator bar (40), and the wide change size of the copper chaff of conductor (38) (44) size is 1.2 to 2.5 millimeters.
6, the according to claim 5 two receipts antenna assemblies that are coupling, it is characterized in that the spherical surface body plate making of radome (4) by 2 to 8 spherical structures, be integral with the securing member connection between the spherical surface body plate of 2 to 8 spherical structures, radome (4) bottom is fixedly mounted on the chassis (8) with securing member, and radome (4) is made of glass-reinforced plastic material.
7, the according to claim 6 two receipts antenna assemblies that are coupling, spherical radius size (46) size that it is characterized in that radome (4) is 750 to 1500 millimeters, radome (4) ball centre to distance from bottom size (47) size is 800 to 1600 millimeters, it is 500 to 800 millimeters that radome (4) transition connects arc radius size (48) size, and radome (4) bottom garden cylinder diameter dimension (49) size is 1500 to 2000 millimeters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 94206209 CN2187841Y (en) | 1994-03-02 | 1994-03-02 | Two-axle receive antenna device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 94206209 CN2187841Y (en) | 1994-03-02 | 1994-03-02 | Two-axle receive antenna device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2187841Y true CN2187841Y (en) | 1995-01-18 |
Family
ID=33824888
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 94206209 Expired - Fee Related CN2187841Y (en) | 1994-03-02 | 1994-03-02 | Two-axle receive antenna device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2187841Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105547061A (en) * | 2015-12-18 | 2016-05-04 | 中国电子科技集团公司第四十一研究所 | Large-angle measuring device used for antenna housing and based on synchronization of rotary tables |
| CN108361510A (en) * | 2018-03-12 | 2018-08-03 | 桂林理工大学 | Feedback device is watched in a kind of day that ultralight high intensity is highly integrated |
| CN112736463A (en) * | 2020-12-28 | 2021-04-30 | 杭州电子科技大学 | Sprocket roller type antenna pitching transmission device |
-
1994
- 1994-03-02 CN CN 94206209 patent/CN2187841Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105547061A (en) * | 2015-12-18 | 2016-05-04 | 中国电子科技集团公司第四十一研究所 | Large-angle measuring device used for antenna housing and based on synchronization of rotary tables |
| CN105547061B (en) * | 2015-12-18 | 2017-08-29 | 中国电子科技集团公司第四十一研究所 | Based on the synchronous antenna house wide-angle measurement apparatus of turntable |
| CN108361510A (en) * | 2018-03-12 | 2018-08-03 | 桂林理工大学 | Feedback device is watched in a kind of day that ultralight high intensity is highly integrated |
| CN108361510B (en) * | 2018-03-12 | 2023-10-03 | 桂林理工大学 | Ultra-light high-strength high-integration antenna servo device |
| CN112736463A (en) * | 2020-12-28 | 2021-04-30 | 杭州电子科技大学 | Sprocket roller type antenna pitching transmission device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |