CN203760665U - Driving device for electrically-tuned antenna, and multi-frequency electrically-tuned antenna - Google Patents
Driving device for electrically-tuned antenna, and multi-frequency electrically-tuned antenna Download PDFInfo
- Publication number
- CN203760665U CN203760665U CN201320880585.1U CN201320880585U CN203760665U CN 203760665 U CN203760665 U CN 203760665U CN 201320880585 U CN201320880585 U CN 201320880585U CN 203760665 U CN203760665 U CN 203760665U
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- electric machine
- joint
- end cap
- machine joint
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- Expired - Lifetime
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- 238000007789 sealing Methods 0.000 claims description 24
- 230000008878 coupling Effects 0.000 claims description 12
- 238000010168 coupling process Methods 0.000 claims description 12
- 238000005859 coupling reaction Methods 0.000 claims description 12
- 238000010586 diagram Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
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Abstract
The utility model belongs to the technical field of electrically-tuned antennas of a base station, and specifically relates to a driving device for an electrically-tuned antenna, and a multi-frequency electrically-tuned antenna. The driving device comprises a plurality of antenna phase shifters, and a plurality of motors driving the antenna phase shifters. The motors are corresponding to the antenna phase shifters in a one-to-one manner. The driving device also comprises a control assembly which can control the plurality of motors. The connecting ends of the control assembly and the motors are provided with a plurality of branching connectors. The control assembly is connected with the motors through the branching connectors. The driving device provided by the utility model employs one control assembly along with the plurality of branching connectors for driving the plurality of motors, thereby achieving the tuning of the multi-frequency electrically-tuned antenna, and guaranteeing the lower cost of the driving device for the electrically-tuned antenna. The driving device is simple in structure and is lower in cost.
Description
Technical field
The utility model belongs to electric tuning antenna of base station technical field, specifically, relates to a kind of electrical tilt antenna drive unit and multifrequency electrical tilt antenna.
Background technology
Electrical tilt antenna, refers to utilize electronic control means automation to adjust the portable antenna of tilt angled down, by electrical tilt, and the parameters such as the phase place of change antenna, horizontal component, vertical component amplitude, thus reach the effect that changes area coverage.It is mainly by electrical tilt antenna remote control unit (Remote Control Unit is called for short RCU) and control appliance or software mutual operation, realizes the remote monitoring to antenna.
Existing built-in RCU transmission scheme is by printed circuit board (Printed Circuit Board is called for short PCB) control board, motor and corresponding drive mechanism part composition.Control signal is via Antenna Interface Standards Group (Antenna Interface Standards Group, being called for short AISG) mode such as cable or M12 connector inputs to PCB control board, stepping motor transmitted signal through PCB control board to needs action, rotatablely moving of motor is converted to rectilinear motion by drive mechanism part, drive phase shifter to realize linearly operating by tie rod, realize tilt adjustment.
The electric turning antenna driver of existing conventional art only drives 1 motor.When frequently when electrical tilt antenna, just needing N external electric turning antenna driver for N, there will be and take the excessive problem of antenna end panel space, be unfavorable for that very much multifrequency electricity assembles the design of beam antenna.Be not suitable with the trend of antenna towards miniaturization, integrated direction development.Meanwhile, multiple electronic components are reused antenna cost are increased.In addition, the control panel of existing a lot of multifrequency antenna drivers and motor are all arranged on antenna the inside, in the time that electric turning antenna driver breaks down, are difficult for taking apart, and also can damage antenna even if split out, and safeguard very inconvenient.
Utility model content
The purpose of this utility model is for the technical problem that will solve, and a kind of electrical tilt antenna drive unit and multifrequency electrical tilt antenna are provided, and this electrical tilt antenna driving device structure is simple, cost is lower, can be used for the adjusting of multifrequency electrical tilt antenna; This multifrequency electrical tilt antenna is simple in structure, cost is lower, be convenient to maintenance.
A kind of electrical tilt antenna drive unit, comprise multiple antenna phasing units, multiple motors of driven antenna phase shifter, described motor is corresponding one by one with antenna phasing unit, also comprise the control assembly that can control respectively multiple motors, the link of described control assembly and motor is provided with multiple tap joints, and described control assembly is connected with motor by tap joint.
Wherein, described control assembly comprises outer cover, is located at the pcb board in outer cover, and the two ends of described outer cover are respectively equipped with the first end cap and the second end cap, and described the first end cap is connected with electric machine joint, and described electric machine joint is connected with multiple tap joints respectively; Described the second end cap is connected with AISG joint; Described pcb board is electrically connected with electric machine joint, AISG joint respectively.
Wherein, between described the first end cap and outer cover, be provided with the first sealing ring.Between the second end cap and outer cover, be provided with the second sealing ring, between the first end cap and electric machine joint, be provided with the 3rd sealing ring.
Wherein, described electric machine joint comprises electric machine joint female mutual coupling, waterproof and electric machine joint male; Described AISG joint comprises AISG male and the AISG female of mutual coupling.
A kind of multifrequency electrical tilt antenna, comprise antenna casing, be located at the antenna body in antenna casing, and the electrical tilt antenna drive unit of the antenna tilt angle of adjusting antenna body, described electrical tilt antenna drive unit comprises multiple antenna phasing units, multiple motors of driven antenna phase shifter, described motor is corresponding one by one with antenna phasing unit, also comprise the control assembly that can control respectively multiple motors, the link of described control assembly and motor is provided with multiple tap joints, and described control assembly is connected with motor by tap joint.
Wherein, described driven antenna phase shifter and motor are all arranged in antenna casing, and described control assembly is arranged at outside antenna casing.
Wherein, described control assembly comprises outer cover, is located at the pcb board in outer cover, and the two ends of described outer cover are respectively equipped with the first end cap and the second end cap, and described the first end cap is connected with electric machine joint, and described electric machine joint is connected with multiple tap joints respectively; Described the second end cap is connected with AISG joint; Described pcb board is electrically connected with electric machine joint, AISG joint respectively.
Wherein, between described the first end cap and outer cover, be provided with the first sealing ring.Between the second end cap and outer cover, be provided with the second sealing ring, between the first end cap and electric machine joint, be provided with the 3rd sealing ring.
Wherein, described electric machine joint comprises electric machine joint female mutual coupling, waterproof and electric machine joint male; Described AISG joint comprises AISG male and the AISG female of mutual coupling.
Wherein, the quantity of described tap joint is 6.
The beneficial effects of the utility model: electrical tilt antenna drive unit of the present utility model adopts a control assembly to coordinate multiple tap joints can drive multiple motors, when realizing multifrequency antenna adjusting, ensure the lower cost of electrical tilt antenna drive unit, simple in structure, cost is lower.Multifrequency electrical tilt antenna of the present utility model only needs a control assembly just can drive multiple motors, realize the adjusting of multifrequency antenna, due to the reasonable disposition of electrical tilt antenna drive unit, make electrical tilt antenna be tending towards miniaturization, integrated simultaneously, realized the multifrequency location altogether of electrical tilt antenna.
Brief description of the drawings
Fig. 1 is the structural representation of electrical tilt antenna drive unit of the present utility model.
Fig. 2 is the decomposition texture schematic diagram of electrical tilt antenna drive unit of the present utility model.
Fig. 3 is the decomposition texture schematic diagram of electric machine joint of the present utility model.
Fig. 4 is the structural representation of electrical tilt antenna drive unit control multifrequency electrical tilt antenna.
Fig. 5 is the part-structure schematic diagram of Fig. 4.
Fig. 6 is the division schematic diagram of three sectors of multifrequency electrical tilt antenna.
1-outer cover; The 2-the first end cap;
The 3-the second end cap; 4-pcb board;
5-electric machine joint; 51-electric machine joint female;
6-AISG joint; 52-electric machine joint male;
511-electric machine joint female shell; 512-electric machine joint female socket;
524-attachment cap screens ring; 521-electric machine joint male shell;
522-electric machine joint male contact pin; 523-electric machine joint male attachment cap;
61-AISG female; 62-AISG male;
The 71-the first sealing ring; The 72-the second sealing ring;
The 73-the three sealing ring; 8-tap joint;
10-electrical tilt antenna drive unit.
Embodiment
Below in conjunction with embodiment, the utility model is further described.
Referring to Fig. 1 to Fig. 6, a kind of electrical tilt antenna drive unit, comprise multiple antenna phasing units, multiple motors of driven antenna phase shifter, described motor is corresponding one by one with antenna phasing unit, also comprise the control assembly that can control respectively multiple motors, the link of described control assembly and motor is provided with multiple tap joints 8, and described control assembly is connected with motor by tap joint 8.The quantity of described tap joint 8 is 6.This electrical tilt antenna drive unit 10 adopts a control assembly to coordinate multiple tap joints 8 can drive multiple motors, when realizing multifrequency antenna and regulate, has ensured the lower cost of electrical tilt antenna drive unit 10, simple in structure, cost is lower.
This electrical tilt antenna drive unit 10 when controlling 6 antenna phasing units, only needs 1 control assembly, has solved with multiple traditional control assemblys and there will be and take the excessive problem of antenna end panel space, the design that is beneficial to very much multifrequency electricity and assembles beam antenna.Adapt to antenna towards miniaturization, integrated, the multifrequency trend of location future development altogether.
Wherein, described control assembly comprises outer cover 1, is located at the pcb board 4 in outer cover 1, and the two ends of described outer cover 1 are respectively equipped with the first end cap 2 and the second end cap 3, and described the first end cap 2 is connected with electric machine joint 5, and described electric machine joint 5 is connected with multiple tap joints 8 respectively; Described the second end cap 3 is connected with AISG joint 6; Described pcb board 4 is electrically connected with electric machine joint 5, AISG joint 6 respectively.An electrical tilt antenna drive unit 10 can drive 6 motors.Can drive 6 antenna phasing units, greatly reduce product cost.The telecommunication circuit of electrical tilt antenna drive unit 10 of the present utility model, power circuit, lightning protection circuit, motor-drive circuit, position detecting circuit, read-write memory circuit, MCU central processing circuit can reuse and control respectively 6 motors.
Wherein, between described the first end cap 2 and outer cover 1, be provided with the first sealing ring 71.Between the second end cap 3 and outer cover 1, be provided with between the second sealing ring 72, the first end caps 2 and electric machine joint 5 and be provided with the 3rd sealing ring 73.The first sealing ring 71, the second sealing ring 72 and the 3rd sealing ring 73 can effectively prevent that dust or liquid from entering in outer cover 1, have ensured the fail safe of pcb board 4.
Wherein, described electric machine joint 5 comprises electric machine joint female 51 mutual coupling, waterproof and electric machine joint male 52; Described AISG joint 6 comprises AISG male 62 and the AISG female 61 of mutual coupling.As shown in Figure 3, described electric machine joint female 51 comprises electric machine joint female shell 511, electric machine joint female socket 512, and described electric machine joint female socket 512 is located in electric machine joint female shell 511; Described electric machine joint male 52 comprises electric machine joint male shell 521, electric machine joint male contact pin 522, electric machine joint male attachment cap 523, attachment cap screens ring 524, and described electric machine joint male contact pin 522 is located in electric machine joint male shell 521; Electric machine joint male shell 521 is connected by attachment cap screens ring 524 with electric machine joint male attachment cap 523; Described electric machine joint male contact pin 522 is plugged in electric machine joint female socket 512, and described electric machine joint female shell 511 is connected by electric machine joint male attachment cap 523 with electric machine joint male shell 521.Between electric machine joint male shell 521 and electric machine joint male contact pin 522, water-tight connects, and between electric machine joint female shell 51 and electric machine joint female socket 512, water-tight connects.
A kind of multifrequency electrical tilt antenna, comprise antenna casing, be located at the antenna body in antenna casing, and the electrical tilt antenna drive unit 10 of the antenna tilt angle of adjusting antenna body, described electrical tilt antenna drive unit 10 comprises multiple antenna phasing units, multiple motors of driven antenna phase shifter, described motor is corresponding one by one with antenna phasing unit, also comprise the control assembly that can control respectively multiple motors, the link of described control assembly and motor is provided with multiple tap joints 8, and described control assembly is connected with motor by tap joint 8.This multifrequency electrical tilt antenna only needs a control assembly just can drive multiple motors, realize the adjusting of multifrequency antenna, due to the reasonable disposition of electrical tilt antenna drive unit 10, make electrical tilt antenna be tending towards miniaturization, integrated simultaneously, realized the multifrequency location altogether of electrical tilt antenna.
The method of electrical tilt antenna drive unit control multifrequency electrical tilt antenna:
Referring to Fig. 4 to Fig. 6, A, B in Fig. 5, C refer to respectively A fan antenna, B fan antenna, C fan antenna, and S1, S2, S3 refer to respectively the vertical angle of declination scale of high frequency, level orientation angle staff, low frequency vertical angle of declination scale.A control assembly can drive 3 sector single-frequency bundling antennas with the angle modulation of electronic horizontal vertical two dimension.(using 6 motors), use 3 horizontal azimuth Angle Modulation Motors, the horizontal drive apparatus sky wire size that A fan antenna is set respectively in the memory of electric turning antenna driver is horizontal A, the horizontal drive apparatus sky wire size that B fan antenna is set is horizontal B, and the horizontal drive apparatus sky wire size that C fan antenna is set is horizontal C.Use 3 vertical angle of declination Angle Modulation Motors, the vertical angle of declination drive unit sky wire size that A fan antenna is set respectively in the memory of electrical tilt antenna drive unit is high frequency A, the vertical angle of declination drive unit sky wire size that B fan antenna is set is high frequency B, and the vertical angle of declination drive unit sky wire size that C fan antenna is set is high frequency C.
The division rule of multifrequency electrical tilt antenna three sectors: taking the positive north as benchmark, be divided into successively A, B, C tri-sectors by overlooking antenna clockwise direction, we install bundling antenna according to this rule, in the time that we scan the sky wire size of corresponding A, B, C fan antenna with antenna control unit of electromic tuning, regulate the horizontal azimuth and vertical angle of declination of corresponding sector, just can accurately know signal transmit direction and the region of fan antenna.
A control assembly can also drive three sector double frequency bundling antennas with vertical angle of declination angle modulation.(using 6 motors), use 3 vertical angle of declination Angle Modulation Motors of low-frequency antenna, the vertical angle of declination drive unit sky wire size that A fan antenna is set respectively in the memory of electric turning antenna driver is low frequency A, the vertical angle of declination drive unit sky wire size that B fan antenna is set is low frequency B, and the vertical angle of declination drive unit sky wire size that C fan antenna is set is low frequency C.Use 3 vertical angle of declination Angle Modulation Motors of high frequency antenna, the vertical angle of declination drive unit sky wire size that A fan antenna is set respectively in the memory of electric turning antenna driver is high frequency A, the vertical angle of declination drive unit sky wire size that B fan antenna is set is high frequency B, and the vertical angle of declination drive unit sky wire size that C fan antenna is set is high frequency C.
Wherein, described driven antenna phase shifter and motor are all arranged in antenna casing, and described control assembly is arranged at outside antenna casing.The active control section of this electrical tilt antenna drive unit 10 is arranged on the outside of antenna casing, does not need to tear open antenna with regard to replaceable control assembly in the time that electrical tilt antenna drive unit 10 breaks down, and safeguards very convenient.
Wherein, described control assembly comprises outer cover 1, is located at the pcb board 4 in outer cover 1, and the two ends of described outer cover 1 are respectively equipped with the first end cap 2 and the second end cap 3, and described the first end cap 2 is connected with electric machine joint 5, and described electric machine joint 5 is connected with multiple tap joints 8 respectively; Described the second end cap 3 is connected with AISG joint 6; Described pcb board 4 is electrically connected with electric machine joint 5, AISG joint 6 respectively.
Wherein, between described the first end cap 2 and outer cover 1, be provided with the first sealing ring 71.Between the second end cap 3 and outer cover 1, be provided with between the second sealing ring 72, the first end caps 2 and electric machine joint 5 and be provided with the 3rd sealing ring 73.
Wherein, described electric machine joint 5 comprises electric machine joint female 51 mutual coupling, waterproof and electric machine joint male 52; Described AISG joint 6 comprises AISG male 62 and the AISG female 61 of mutual coupling.As shown in Figure 3, described electric machine joint female 51 comprises electric machine joint female shell 511, electric machine joint female socket 512, and described electric machine joint female socket 512 is located in electric machine joint female shell 511; Described electric machine joint male 52 comprises electric machine joint male shell 521, electric machine joint male contact pin 522, electric machine joint male attachment cap 523, attachment cap screens ring 524, and described electric machine joint male contact pin 522 is located in electric machine joint male shell 521; Electric machine joint male shell 521 is connected by attachment cap screens ring 524 with electric machine joint male attachment cap 523; Described electric machine joint male contact pin 522 is plugged in electric machine joint female socket 512, and described electric machine joint female shell 511 is connected by electric machine joint male attachment cap 523 with electric machine joint male shell 521.Between electric machine joint male shell 521 and electric machine joint male contact pin 522, water-tight connects, and between electric machine joint female shell 51 and electric machine joint female socket 512, water-tight connects.
Wherein, the quantity of described tap joint 8 is 6.
Storage is not lost in read-write and power down that the electrical tilt antenna drive unit 10 of this multifrequency electrical tilt antenna can carry out data to the sector of corresponding electrical tilt antenna, specifically comprises: read current tilt angled down, write current tilt angled down, aerial information parameter is set, aerial information parameter comprises: equipment vendor's numbering, antenna sequence number, antenna model, installed date, antenna frequency band, antenna gain, maximum angle of declination, minimum angle of declination, nonlinear motor run-length data table etc.This electrical tilt antenna drive unit 10 can pass through the antenna sequence number of computer upper computer software to electrical tilt antenna drive unit 10, and number of frequency bands is configured.
Above embodiment is only in order to illustrate the technical solution of the utility model; but not restriction to the utility model protection range; although the utility model has been done to explain with reference to preferred embodiment; those of ordinary skill in the art is to be understood that; can modify or be equal to replacement the technical solution of the utility model, and not depart from essence and the scope of technical solutions of the utility model.
Claims (10)
1. an electrical tilt antenna drive unit, it is characterized in that: comprise multiple antenna phasing units, multiple motors of driven antenna phase shifter, described motor is corresponding one by one with antenna phasing unit, also comprise the control assembly that can control respectively multiple motors, the link of described control assembly and motor is provided with multiple tap joints, and described control assembly is connected with motor by tap joint.
2. a kind of electrical tilt antenna drive unit according to claim 1, it is characterized in that: described control assembly comprises outer cover, is located at the pcb board in outer cover, the two ends of described outer cover are respectively equipped with the first end cap and the second end cap, described the first end cap is connected with electric machine joint, and described electric machine joint is connected with multiple tap joints respectively; Described the second end cap is connected with AISG joint; Described pcb board is electrically connected with electric machine joint, AISG joint respectively.
3. a kind of electrical tilt antenna drive unit according to claim 2, it is characterized in that: between described the first end cap and outer cover, be provided with the first sealing ring, between the second end cap and outer cover, be provided with the second sealing ring, between the first end cap and electric machine joint, be provided with the 3rd sealing ring.
4. a kind of electrical tilt antenna drive unit according to claim 2, is characterized in that: described electric machine joint comprises electric machine joint female mutual coupling, waterproof and electric machine joint male; Described AISG joint comprises AISG male and the AISG female of mutual coupling.
5. a multifrequency electrical tilt antenna, comprise antenna casing, be located at the antenna body in antenna casing, and the electrical tilt antenna drive unit of the antenna tilt angle of adjusting antenna body, it is characterized in that: described electrical tilt antenna drive unit comprises multiple antenna phasing units, multiple motors of driven antenna phase shifter, described motor is corresponding one by one with antenna phasing unit, also comprise the control assembly that can control respectively multiple motors, the link of described control assembly and motor is provided with multiple tap joints, and described control assembly is connected with motor by tap joint.
6. a kind of multifrequency electrical tilt antenna according to claim 5, is characterized in that: described driven antenna phase shifter and motor are all arranged in antenna casing, and described control assembly is arranged at outside antenna casing.
7. a kind of multifrequency electrical tilt antenna according to claim 5, it is characterized in that: described control assembly comprises outer cover, is located at the pcb board in outer cover, the two ends of described outer cover are respectively equipped with the first end cap and the second end cap, described the first end cap is connected with electric machine joint, and described electric machine joint is connected with multiple tap joints respectively; Described the second end cap is connected with AISG joint; Described pcb board is electrically connected with electric machine joint, AISG joint respectively.
8. multifrequency electrical tilt antenna according to claim 7, is characterized in that: between described the first end cap and outer cover, be provided with the first sealing ring, be provided with the second sealing ring between the second end cap and outer cover, be provided with the 3rd sealing ring between the first end cap and electric machine joint.
9. multifrequency electrical tilt antenna according to claim 7, is characterized in that: described electric machine joint comprises electric machine joint female mutual coupling, waterproof and electric machine joint male; Described AISG joint comprises AISG male and the AISG female of mutual coupling.
10. according to the multifrequency electrical tilt antenna described in claim 5-9 any one, it is characterized in that: the quantity of described tap joint is 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320880585.1U CN203760665U (en) | 2013-12-30 | 2013-12-30 | Driving device for electrically-tuned antenna, and multi-frequency electrically-tuned antenna |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320880585.1U CN203760665U (en) | 2013-12-30 | 2013-12-30 | Driving device for electrically-tuned antenna, and multi-frequency electrically-tuned antenna |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203760665U true CN203760665U (en) | 2014-08-06 |
Family
ID=51255903
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320880585.1U Expired - Lifetime CN203760665U (en) | 2013-12-30 | 2013-12-30 | Driving device for electrically-tuned antenna, and multi-frequency electrically-tuned antenna |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203760665U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106207466A (en) * | 2016-08-30 | 2016-12-07 | 广东通宇通讯股份有限公司 | Antenna transmission system and antenna for base station |
-
2013
- 2013-12-30 CN CN201320880585.1U patent/CN203760665U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106207466A (en) * | 2016-08-30 | 2016-12-07 | 广东通宇通讯股份有限公司 | Antenna transmission system and antenna for base station |
| CN106207466B (en) * | 2016-08-30 | 2023-02-21 | 中山市通宇通信技术有限公司 | Antenna transmission system and base station antenna |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 523000, Guangdong, Dongguan province Dongcheng District Niu Shan Industrial Park, landscape road, main Mountain Industrial Zone No. 2 Patentee after: GUANGDONG HUISU TELECOMMUNICATION TECH Inc. Address before: 523128, Guangdong, Dongguan province Dongcheng District Niu Shan Industrial Park Landscape Road Patentee before: GUANGDONG HUISU TELECOMMUNICATION TECH Co.,Ltd. |
|
| CP03 | Change of name, title or address | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200914 Address after: Building J1, Pingshan Industrial Park (intelligent terminal Industrial Park), 115 Fuyao Road, Wansheng Economic Development Zone, Chongqing 404100 Patentee after: CHONGQING HUISU INTELLIGENT COMMUNICATION Co.,Ltd. Address before: 523000, Guangdong, Dongguan province Dongcheng District Niu Shan Industrial Park, landscape road, main Mountain Industrial Zone No. 2 Patentee before: GUANGDONG HUISU TELECOMMUNICATION TECH Inc. |
|
| TR01 | Transfer of patent right | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140806 |
|
| CX01 | Expiry of patent term |