CN108621916B - Intelligent headlamp and its control method - Google Patents
Intelligent headlamp and its control method Download PDFInfo
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- CN108621916B CN108621916B CN201810531508.2A CN201810531508A CN108621916B CN 108621916 B CN108621916 B CN 108621916B CN 201810531508 A CN201810531508 A CN 201810531508A CN 108621916 B CN108621916 B CN 108621916B
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- laser
- led module
- distance
- laser ranging
- ranging unit
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Q—ARRANGEMENT OF SIGNALLING OR LIGHTING DEVICES, THE MOUNTING OR SUPPORTING THEREOF OR CIRCUITS THEREFOR, FOR VEHICLES IN GENERAL
- B60Q1/00—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor
- B60Q1/02—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments
- B60Q1/04—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights
- B60Q1/14—Arrangement of optical signalling or lighting devices, the mounting or supporting thereof or circuits therefor the devices being primarily intended to illuminate the way ahead or to illuminate other areas of way or environments the devices being headlights having dimming means
- B60Q1/1415—Dimming circuits
- B60Q1/1423—Automatic dimming circuits, i.e. switching between high beam and low beam due to change of ambient light or light level in road traffic
- B60Q1/143—Automatic dimming circuits, i.e. switching between high beam and low beam due to change of ambient light or light level in road traffic combined with another condition, e.g. using vehicle recognition from camera images or activation of wipers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R11/00—Arrangements for holding or mounting articles, not otherwise provided for
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
- B60R11/00—Arrangements for holding or mounting articles, not otherwise provided for
- B60R2011/0042—Arrangements for holding or mounting articles, not otherwise provided for characterised by mounting means
- B60R2011/008—Adjustable or movable supports
- B60R2011/0092—Adjustable or movable supports with motorization
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Lighting Device Outwards From Vehicle And Optical Signal (AREA)
Abstract
The present invention relates to auto-safety mechanism technical fields, more particularly to a kind of intelligent headlamp, it include: the dipped beam LED module, distance light LED module and laser module according to road conditions for switching, and, the road condition acquiring device of switching foundation is provided for three and the control unit of switching command is provided;Wherein, the road condition acquiring device includes at least laser ranging unit.By laser ranging unit between opposite car with drive vehicle at a distance from detect, and it will test result and feed back to control unit, control unit realizes the automatic switchover of dipped beam LED module, distance light LED module and laser module according to the distance of distance, to avoid long-time from will cause using high beam, opposite car driver is dazzling, and the use of dipped headlight will cause the fuzzy problem of driver's front sight.A kind of control method of intelligent headlamp is also claimed in the present invention.
Description
Technical field
The present invention relates to auto-safety mechanism technical field more particularly to a kind of intelligent headlamp and its control methods.
Background technique
The problem of automobile night driving is always puzzlement car manufacturer safely, counts, 60% friendship according to relevant departments
Interpreter thus be light it is bad caused by, during night running, will cause opposite car department using high beam for a long time
Machine is dazzling, and the use of dipped headlight will cause the fuzzy of driver's front sight, when facing emergency, is easy because of processing
It breeds a tragedy not in time.
In view of the above shortcomings, the designer is actively subject to research and innovation, to found a kind of intelligent headlamp, make it
With more the utility value in industry.
Summary of the invention
In order to solve the above technical problems, the object of the present invention is to provide a kind of intelligent headlamp, it can be according to front road conditions certainly
The dynamic switching for carrying out far and near light.
In a first aspect, a kind of intelligent headlamp is claimed in the present invention, comprising:
According to road conditions for the dipped beam LED module, distance light LED module and laser module of switching, and, it provides and cuts for three
It changes the road condition acquiring device of foundation and the control unit of switching command is provided;Wherein, the road condition acquiring device, which includes at least, swashs
Ligh-ranging unit.
It further, further include for the regulating device to laser ranging unit progress angular adjustment.
Further, the regulating device includes the bracket for laser ranging unit to be fixed, the bracket peace
Loaded on steering ball, the steering ball drives the laser ranging by itself rotation around the center of circle under the drive of power device
The adjusting of unit realization angle.
Further, the power device includes first be supported for the horizontal rotating shaft to the steering ball
Frame is provided with first motor in the first support, and the first motor is for driving the steering ball around the horizontal rotating shaft
Rotation, to realize the adjusting of angle between the laser ranging unit laser beam and ground;
It further include the second motor for driving the first support to rotate around horizontal direction, the fixed peace of second motor
Loaded on mounting structure, the laser ranging unit laser beam and direction of traffic are realized by horizontally rotating for the steering ball
Between angle adjusting.
Further, the laser ranging unit includes into several laser emitters and the laser pick-off of arranged in matrix
Device, the line number of the matrix are more than or equal to 2, and columns is more than or equal to 2.
Further, the laser pickoff is binocular camera.
A kind of control method of intelligent headlamp as described above, at least includes the following steps:
Step 1: by the road condition acquiring device between opposite car with drive vehicle at a distance from detect, and will
Testing result feeds back to described control unit;
Step 2: the data that described control unit is acquired according to the road condition acquiring device are to dipped beam LED module, distance light
The switching of LED module and laser module is controlled.
It further, further include following school before the road condition acquiring device is adjusted the distance and detected in the step 1
Quasi- step:
Step 1.1: starting second motor, and make its rotation that moves in circles within the scope of 90 °, thus by described
First support drives the laser ranging unit (6) being located on the steering ball to horizontally rotate;
Step 1.2: so that the laser ranging unit emits laser beam according to fixed frequency, when the laser ranging
When unit can receive the laser reflection signal that continuous and distance value is gradually reduced, second motor stalls are controlled:
Step 1.3: starting the first motor, and make its rotation that moves in circles within the scope of 90 °, thus by described
First support drive be located at the steering ball on laser ranging unit rotate vertically, at this time the laser ranging unit continue by
Emit laser beam according to fixed frequency;
Step 1.4: when the laser ranging unit can be received from the starting of 300 meters to 500 meters distance ranges, even
When the laser reflection signal that continuous and distance value gradually decreases, controls the first motor and stop operating.
Further, in the step 2, the switching foundation of the dipped beam LED module, distance light LED module and laser module
It is:
When the laser ranging unit can not receive the laser reflection signal or reception that continuous and distance value is gradually reduced
When the laser signal arrived is greater than 100 meters, the laser module is opened by described control unit, is remotely irradiated;When described
Laser ranging unit receives the laser reflection signal that continuous and distance value is gradually reduced, and distance value be less than or equal to 100 meters and
When greater than 30 meters;The laser module is switched to the distance light LED module by described control unit;When distance value be less than etc.
When 30 meters, the distance light LED module is switched to by the dipped beam LED module by described control unit.
According to the above aspect of the present invention, the present invention has at least the following advantages:
By laser ranging unit between opposite car with drive vehicle at a distance from detect, and will test result feedback
To control unit, control unit realizes the automatic of dipped beam LED module, distance light LED module and laser module according to the far and near of distance
Switching, to avoid using high beam will cause opposite car driver for a long time dazzling, and the use of dipped headlight will cause and drive
Sail the fuzzy problem of person there's sight.
The above description is only an overview of the technical scheme of the present invention, in order to better understand the technical means of the present invention,
And can be implemented in accordance with the contents of the specification, the following is a detailed description of the preferred embodiments of the present invention and the accompanying drawings.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of regulating device;
Fig. 2 is the structural framing figure of intelligent headlamp;
Appended drawing reference: 1- dipped beam LED module, 2- distance light LED module, 3- laser module, 4- road condition acquiring device, 5- control
Unit, 6- laser ranging unit, 7- bracket, 8- steering ball, 9- first support, 10- first motor, the second motor of 11-, 12- peace
Assembling structure.
Specific embodiment
With reference to the accompanying drawings and examples, specific embodiments of the present invention will be described in further detail.Implement below
Example is not intended to limit the scope of the invention for illustrating the present invention.
A kind of intelligence headlamp characterized by comprising dipped beam LED module 1, distance light LED according to road conditions for switching
Module 2 and laser module 3, and, the road condition acquiring device 4 of switching foundation is provided for three and the control list of switching command is provided
Member 5;Wherein, the road condition acquiring device 4 includes at least laser ranging unit 6.In the present embodiment, pass through laser ranging unit 6
Between opposite car with drive vehicle at a distance from detect, and will test result and feed back to control unit 5, control unit 5
The automatic switchover of dipped beam LED module 1, distance light LED module 2 and laser module 3 is realized according to the distance of distance, wherein dipped beam LED mould
The irradiation distance of block 1, distance light LED module 2 and laser module 3 successively increases, and the core of laser module 3 is laser diode, swashs
Light issue after by lens control beam direction, relative to common LED light brightness more greatly and volume it is smaller, only routine LED
The 1/100 of size.
It further include the adjusting for carrying out angular adjustment to the laser ranging unit 6 as the preferred of above-described embodiment
Device.Because road width is different in the process of moving, in order to realize accurate range measurement, setting regulating device is to sharp
The Laser emission and receiving angle of optical range finding apparatus are adjusted.
As the preferred of above-described embodiment, the regulating device includes the branch for laser ranging unit 6 to be fixed
Frame 7, the bracket 7 are installed on steering ball 8, and the steering ball 8 is turned by itself around the center of circle under the drive of power device
The dynamic adjusting for driving the laser ranging unit 6 to realize angle.By the setting of bracket 7, it can be achieved that Laser emission direction and connecing
Debit to uniformity, while convenient for assembling realize modularized production, by the way that bracket 7 is installed on steering ball 8, and make turn
It is rotated to ball 8 around itself center of circle, so that the adjustment process of angle is uniform and stable.
As the preferred of above-described embodiment, the power device includes carrying out for the horizontal rotating shaft to the steering ball 8
The first support 9 of support is provided with first motor 10 in the first support 9, and the first motor 10 is for driving described turn
It is rotated to ball 8 around the horizontal rotating shaft, to realize the adjusting of angle between 6 laser beam of laser ranging unit and ground;
It further include the second motor 11 for driving the first support 9 to rotate around horizontal direction, second motor 11 is fixedly mounted
In on mounting structure 12,6 laser beam of laser ranging unit and driving side are realized by horizontally rotating for the steering ball 8
Adjusting to angle.By the setting of above-mentioned power device so that entire laser beam emitting device 6 can be according to specific road feelings
Condition carries out angular adjustment, so that measurement is more accurate, dipped beam LED module 1, distance light LED module 2 and laser module 3 switch
It is reliable much sooner.
As the preferred of above-described embodiment, the laser ranging unit 6 includes into several laser emitters of arranged in matrix,
And laser pickoff, the line number of the matrix are more than or equal to 2, columns is more than or equal to 2.Pass through several laser at arranged in matrix
Transmitter can project uniform grid to front is driven, and the optical signal that laser pickoff receives grid can be converted to the variation diagram of grid
As signal, the information of opposite car and opposite road conditions can be obtained by the processing of data, general height including opposite car,
Situations such as width and pot hole.Wherein, laser pickoff is binocular camera, can directly be purchased, and is easily installed and uses.
A kind of control method of intelligent headlamp as described above, at least includes the following steps:
Step 1: by the road condition acquiring device 4 between opposite car with drive vehicle at a distance from detect, and will
Testing result feeds back to described control unit 5;
Step 2: the data that described control unit 5 is acquired according to the road condition acquiring device 4 are to dipped beam LED module 1, remote
The switching of light LED module 2 and laser module 3 is controlled.
As the preferred of above-described embodiment, in order to guarantee the accuracy of measurement and the timeliness and effectively of light switching
Property further includes following calibration steps before the road condition acquiring device 4 is adjusted the distance and detected in the step 1:
Step 1.1: starting second motor 11, and make its rotation that moves in circles within the scope of 90 °, to pass through institute
Stating first support 9 drives the laser ranging unit 6 being located on the steering ball 8 to horizontally rotate;90 ° of slewing areas herein open
Show that position can start for the position for being 0 ° with direction of traffic angle,
Step 1.2: so that the laser ranging unit 6 emits laser beam according to fixed frequency, when the laser ranging
When unit 6 can receive the laser reflection signal that continuous and distance value is gradually reduced, illustrate the angle of departure of laser ranging unit 6
Degree can reach on the vehicle body of opposite car, i.e., its launch angle adjusts this time control in measurable range according to width of roadway
Second motor 11 is made to stop operating, herein it is emphasized that accuracy in order to guarantee measurement, continuous and distance value by
Decrescence small laser reflection signal just stops the rotation of the second motor 11 after including at least 3 each signals,
Step 1.3: starting the first motor 10, and make its rotation that moves in circles within the scope of 90 °, to pass through the
One bracket 9 drives the laser ranging unit 6 being located on steering ball 8 to rotate vertically, at this time the laser ranging unit 6 continue according to
Fixed frequency emits laser beam, and in this step, the initial position of 90 ° of measurement ranges can start for angle perpendicular to the ground;
Step 1.4: when the laser ranging unit 6 can be received from the starting of 300 meters to 500 meters distance ranges, even
When the laser reflection signal that continuous and distance value gradually decreases, controls the first motor 10 and stop operating, at this point, illustrating laser light
Angle between beam and ground has made laser beam have enough measurement ranges before reaching opposite car, without
It causes the measurement range of laser ranging system 6 too small as because of the inappropriate problem of angle, and is unable to control laser module 3
Work, herein likewise, in order to guarantee the accuracy measured, the laser reflection signal that continuous and distance value is gradually reduced at least is wrapped
Include the rotation for just stopping first motor 10 after 3 each signals.
As the preferred of above-described embodiment, in the step 2, the dipped beam LED module 1, distance light LED module 2 and laser
The switching foundation of module 3 is:
When the laser ranging unit 6 can not receive the laser reflection signal or reception that continuous and distance value is gradually reduced
When the laser signal arrived is greater than 100 meters, the laser module 3 is opened by described control unit 5, illustrates opposite without carrying out vehicle at this time
Or carry out vehicle hypertelorism, it need to remotely be irradiated, guarantee that the sight of driver is clear;When the laser ranging unit 6 receives
The laser reflection signal that continuous and distance value is gradually reduced, and distance value is less than or equal to 100 meters and when being greater than 30 meters;By described
The laser module 3 is switched to the distance light LED module 2 by control unit 5;When distance value is less than or equal to 30 meters, pass through institute
It states control unit 5 and the distance light LED module 2 is switched to the dipped beam LED module 1, strong light is avoided to cause opposite car driver
It is dazzling.
The above is only a preferred embodiment of the present invention, it is not intended to restrict the invention, it is noted that for this skill
For the those of ordinary skill in art field, without departing from the technical principles of the invention, can also make it is several improvement and
Modification, these improvements and modifications also should be regarded as protection scope of the present invention.
Claims (7)
1. intelligent headlamp characterized by comprising
According to road conditions for the dipped beam LED module (1), distance light LED module (2) and laser module (3) of switching, and, it is three
The road condition acquiring device (4) of switching foundation is provided and the control unit (5) of switching command is provided;
Wherein, the road condition acquiring device (4) includes at least laser ranging unit (6);
It further include the regulating device for the laser ranging unit (6) to be carried out with angular adjustment;
The regulating device includes the bracket (7) for laser ranging unit (6) to be fixed, and the bracket (7) is installed on
On steering ball (8), the steering ball (8) drives the Laser Measuring by itself rotation around the center of circle under the drive of power device
The adjusting of angle is realized away from unit (6).
2. intelligence headlamp according to claim 1, which is characterized in that the power device includes for the steering
The first support (9) that the horizontal rotating shaft of ball (8) is supported is provided with first motor (10) on the first support (9), described
First motor (10) is for driving the steering ball (8) to rotate around the horizontal rotating shaft, to realize the laser ranging unit
(6) between laser beam and ground angle adjusting;
It further include the second motor (11) for driving the first support (9) to rotate around horizontal direction, second motor
(11) it is fixedly installed on mounting structure (12), the laser ranging unit is realized by horizontally rotating for the steering ball (8)
(6) between laser beam and direction of traffic angle adjusting.
3. intelligence headlamp according to claim 2, which is characterized in that the laser ranging unit (6) includes into matrix
Several laser emitters and laser pickoff being arranged, the line number of the matrix are more than or equal to 2, and columns is more than or equal to 2.
4. intelligence headlamp according to claim 3, which is characterized in that the laser pickoff is binocular camera.
5. a kind of control method of intelligent headlamp as claimed in claim 2, which is characterized in that at least include the following steps:
Step 1: by the road condition acquiring device (4) between opposite car with drive vehicle at a distance from detect, and will inspection
It surveys result and feeds back to described control unit (5);
Step 2: the data that described control unit (5) is acquired according to the road condition acquiring device (4) to dipped beam LED module (1),
The switching of distance light LED module (2) and laser module (3) is controlled.
6. the control method of intelligence headlamp according to claim 5, which is characterized in that in the step 1, described
Road condition acquiring device (4) is adjusted the distance detected before, further include following calibration steps:
Step 1.1: starting second motor (11), and make its rotation that moves in circles within the scope of 90 °, to pass through described the
One bracket (9) drives the laser ranging unit (6) being located on the steering ball (8) to horizontally rotate;
Step 1.2: so that the laser ranging unit (6) emits laser beam according to fixed frequency, when the laser ranging list
When first (6) can receive the laser reflection signal that continuous and distance value is gradually reduced, controls second motor (11) and stop
Rotation:
Step 1.3: starting the first motor (10), and make its rotation that moves in circles within the scope of 90 °, thus by described
First support (9) drives the laser ranging unit (6) being located on the steering ball (8) to rotate vertically, the laser ranging at this time
Unit (6) continues to emit laser beam according to fixed frequency;
Step 1.4: when the laser ranging unit (6) can be received from the starting of 300 meters to 500 meters distance ranges, continuously
And distance value gradually decrease laser reflection signal when, control the first motor (10) and stop operating.
7. the control method of intelligence headlamp according to claim 5, which is characterized in that described close in the step 2
The switching foundation of light LED module (1), distance light LED module (2) and laser module (3) is:
When the laser ranging unit (6) can not receive the laser reflection signal or receive that continuous and distance value is gradually reduced
Laser signal when being greater than 100 meters, open the laser module (3) by described control unit (5), remotely irradiated;When
The laser ranging unit (6) receives the laser reflection signal that continuous and distance value is gradually reduced, and distance value is less than or equal to
100 meters and be greater than 30 meters when;The laser module (3) is switched to the distance light LED module by described control unit (5)
(2);When distance value is less than or equal to 30 meters, the distance light LED module (2) is switched to by described control unit (5) described
Dipped beam LED module (1).
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CN201810531508.2A CN108621916B (en) | 2018-05-29 | 2018-05-29 | Intelligent headlamp and its control method |
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CN108621916B true CN108621916B (en) | 2019-01-11 |
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Families Citing this family (2)
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CN109849774A (en) * | 2019-03-21 | 2019-06-07 | 北京坤和泽毅科技有限公司 | A kind of dazzle light and dipped headlight automatic switching control equipment |
CN110936888B (en) * | 2019-12-02 | 2024-03-26 | 广东海洋大学 | Active avoidance system for high beam headlight and control method |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
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CN202703407U (en) * | 2012-05-22 | 2013-01-30 | 西北农林科技大学 | Automobile high beam light and low beam light automatic switching and obstacle early warning system |
CN202686097U (en) * | 2012-06-19 | 2013-01-23 | 浙江吉利汽车研究院有限公司杭州分公司 | Upper beam and lower beam switching system for external remote control of vehicle |
CN203995918U (en) * | 2014-07-02 | 2014-12-10 | 屠珂欣 | A kind of automobile dimming-distance light automatic switching control equipment |
CN104986097A (en) * | 2015-06-12 | 2015-10-21 | 奇瑞汽车股份有限公司 | Lamplight adjusting method and system |
CN106678695A (en) * | 2017-02-14 | 2017-05-17 | 天津市斯奥格汽车光电有限公司 | Car lamp module and car comprising same |
CN106864353A (en) * | 2017-03-21 | 2017-06-20 | 重庆瑞阳鑫驰新能源汽车有限责任公司 | A kind of switching device of automobile and dazzle light and dipped headlight |
CN108045302A (en) * | 2017-12-06 | 2018-05-18 | 广东雷腾智能光电有限公司 | It is a kind of can automobile-used dot matrix laser headlight control system and control method |
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