CN107067495A - A kind of drive recorder with autofocus adjustment function - Google Patents
A kind of drive recorder with autofocus adjustment function Download PDFInfo
- Publication number
- CN107067495A CN107067495A CN201710229561.2A CN201710229561A CN107067495A CN 107067495 A CN107067495 A CN 107067495A CN 201710229561 A CN201710229561 A CN 201710229561A CN 107067495 A CN107067495 A CN 107067495A
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- CN
- China
- Prior art keywords
- drive recorder
- unit
- automatic focusing
- adjustment function
- autofocus adjustment
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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- 230000004297 night vision Effects 0.000 claims abstract description 25
- 238000001514 detection method Methods 0.000 claims abstract description 19
- 238000005516 engineering process Methods 0.000 claims description 4
- 238000009738 saturating Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 5
- 238000012545 processing Methods 0.000 abstract description 4
- 230000006870 function Effects 0.000 description 12
- 238000010586 diagram Methods 0.000 description 6
- 230000008859 change Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000003287 optical effect Effects 0.000 description 3
- 238000005259 measurement Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 206010039203 Road traffic accident Diseases 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000003384 imaging method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000009711 regulatory function Effects 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G07—CHECKING-DEVICES
- G07C—TIME OR ATTENDANCE REGISTERS; REGISTERING OR INDICATING THE WORKING OF MACHINES; GENERATING RANDOM NUMBERS; VOTING OR LOTTERY APPARATUS; ARRANGEMENTS, SYSTEMS OR APPARATUS FOR CHECKING NOT PROVIDED FOR ELSEWHERE
- G07C5/00—Registering or indicating the working of vehicles
- G07C5/08—Registering or indicating performance data other than driving, working, idle, or waiting time, with or without registering driving, working, idle or waiting time
- G07C5/0841—Registering performance data
- G07C5/085—Registering performance data using electronic data carriers
- G07C5/0866—Registering performance data using electronic data carriers the electronic data carrier being a digital video recorder in combination with video camera
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S17/00—Systems using the reflection or reradiation of electromagnetic waves other than radio waves, e.g. lidar systems
- G01S17/02—Systems using the reflection of electromagnetic waves other than radio waves
- G01S17/06—Systems determining position data of a target
- G01S17/08—Systems determining position data of a target for measuring distance only
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N23/00—Cameras or camera modules comprising electronic image sensors; Control thereof
- H04N23/60—Control of cameras or camera modules
- H04N23/67—Focus control based on electronic image sensor signals
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Multimedia (AREA)
- General Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Traffic Control Systems (AREA)
Abstract
The present invention relates to drive recorder technical field, and in particular to a kind of drive recorder with autofocus adjustment function, the drive recorder includes：One speed detection unit, an automatic focusing unit, the automatic focusing unit connects the speed detection unit, and the automatic focusing unit selects different mode of operations according to the speed of the speed detection unit；Unit is controlled in one, during vehicle is travelled, due to the difference of speed, according to the travel speed of vehicle itself, and the distance of vehicle of other cars with loading the drive recorder, the record effect of the automatic focusing unit of step-less adjustment, it is ensured that drive recorder is accurately focused on to entering the vehicle in image pickup scope, preferably lifting drive recorder.After the drive recorder with night vision function provided using the present invention, the night vision image of acquisition, and night vision image is subjected to color processing, reduces the true road conditions in night environment.
Description
Technical field
The present invention relates to drive recorder technical field, and in particular to a kind of driving note with autofocus adjustment function
Record instrument.
Background technology
In the prior art, vehicle has turned into the main means of transport that people go on a journey, and vehicle is brought soon in the life given people
Prompt and while facilitate, the personal safety also given people brings hidden danger.Drive recorder is the shadow in registration of vehicle traveling way
The instrument of the relevent information such as picture and sound.Install drive recorder after, be able to record that running car overall process video image and
Sound, can provide evidence for traffic accident.But existing drive recorder is by way of camera obtains image, to image
The processing mode of focusing is broadly divided into two kinds, and a kind of is the wheelbase of fixed pick-up lens, only obtains the clear of front side fixed range
Clear image, for image relatively near or farther out, shows more unintelligible；Another is by way of automatic focusing, each
The image of individual appearance carries out focusing focal length；
But during running car, the image that camera is obtained has focusing overlong time, when camera is adjusted
Jiao completes, and automobile has driven to another place, especially during galloping, the camera lens on drive recorder
Frequently focusing is needed, in frequently focusing, it tends to be difficult to road conditions are clearly obtained in time, especially in night high speed traveling
When, drive recorder is difficult to catch clear effective image, and does not occur the product for solving problems also on the market.
The content of the invention
In order to effectively solve the above problems, the present invention provides a kind of drive recorder with autofocus adjustment function.
The concrete technical scheme of the present invention is as follows：A kind of drive recorder with autofocus adjustment function, the row
Car recorder includes：
One speed detection unit, the car speed of the drive recorder is mounted with for detecting；
One automatic focusing unit, the automatic focusing unit connects the speed detection unit, the automatic focusing unit
Different mode of operations are selected according to the speed of the speed detection unit；
The automatic focusing unit includes a regulation chamber, a connecting cavity and a zoom pipe, and the regulation intracavitary accommodates a base
Quasi- lens group, and one end with the connecting cavity by being rotatably connected, the other end is fixedly connected with the zoom pipe, the zoom pipe with
The connecting cavity is fixedly connected.
Unit is controlled in one, the middle control unit connects the speed detection unit and the automatic focusing unit.
Further, the regulation chamber includes a rotating part and a fixed part, the company of the rotating part and the fixed part
Meet place and be provided with bearing, the rotating part is rotatably connected with the connecting cavity.
Further, the reference lens group, the rotating part termination and the connecting cavity are set on the inside of the fixed part
Junction set an external screw thread track.
Further, several are set to adjust lens group and an internal thread track, the internal thread on the inside of the connecting cavity
Track is arranged on the connecting cavity and the junction of the regulation chamber；
The external screw thread track and the position of the internal thread track are mutually corresponding, and internal thread track cladding is described
External screw thread track.
Further, it is described it is middle control unit include a driving chip, a variable resistor, a microprocessor, it is described can power transformation
The adjustable end connection microprocessor input of resistance, the output end of microprocessor connects driving chip, the driving chip driving
Adjust chamber rotation.
Further, the speed detection unit includes a velocity sensor, the velocity sensor and the automatic change
Burnt unit connection.
Further, the drive recorder also includes a night vision unit, and the night vision unit is arranged on drive recorder
The base side of front end camera；
The night vision unit include infrared remote receiver, infrared transmitter, photo resistance and pcb board, the infrared transmitter,
Infrared remote receiver and photo resistance are arranged on the pcb board by SMT mount technologies, the pcb board be connected to it is described in
Control unit.
The drive recorder also include a range cells, the range cells include generating laser, laser pickoff,
Filters center, laser controller and laser powered sensor component；
The generating laser, laser pickoff are all connected on the filters center, the filters center connection
On the processor of the middle control unit.
Usefulness of the present invention：During vehicle is travelled, due to the difference of speed, according to the traveling of vehicle itself
Speed, and vehicle of other cars with loading the drive recorder distance, the automatic focusing unit of step-less adjustment, it is ensured that driving note
Record instrument is accurately focused on to entering the vehicle in image pickup scope, preferably the record effect of lifting drive recorder.Using this
Invent after the drive recorder with night vision function provided, the night vision image of acquisition, and night vision image be subjected to color processing,
Reduce the true road conditions in night environment.
Brief description of the drawings
Fig. 1 is the system structure diagram of one embodiment of invention；
Fig. 2 is the overall structure diagram of automatic focusing unit described in one embodiment of the invention；
Fig. 3 is the fundamental diagram of automatic focusing unit of the present invention.
Embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, it is right below in conjunction with drawings and Examples
The present invention is explained in further detail.It should be appreciated that specific embodiment described herein is used only for explaining the present invention, and
It is not used in the restriction present invention.
On the contrary, the present invention covers any replacement done in the spirit and scope of the present invention being defined by the claims, repaiied
Change, equivalent method and scheme.Further, in order that the public has a better understanding to the present invention, below to the thin of the present invention
It is detailed to describe some specific detail sections in section description.Part without these details for a person skilled in the art
Description can also understand the present invention completely.
As shown in figure 1, the system structure diagram to invent an embodiment, has automatic poly- this embodiment offers one kind
The drive recorder of burnt regulatory function, the drive recorder includes a speed detection unit, an automatic focusing unit, a night vision
Unit is controlled in unit, a range cells and one, the speed detection unit is connected with the automatic focusing unit, the night vision
Unit is connected with the automatic focusing unit, and the speed detection unit, automatic focusing unit, night vision unit, range cells are all
It is connected with the middle control unit, and above-mentioned unit is all integrated in drive recorder；
During vehicle is travelled, due to the difference of speed, vehicle is to draw near in the picture in drive recorder
, or from the close-by examples to those far off, according to the travel speed of vehicle itself, and vehicle of other cars with loading the drive recorder
Distance, adjusts automatic focusing unit, it is ensured that drive recorder is accurately focused on to entering the vehicle in image pickup scope, preferably
Lift the record effect of drive recorder.
As shown in Fig. 2 described in one embodiment of the invention automatic focusing unit overall structure diagram, it is described automatic poly-
Burnt unit includes a regulation chamber 1, connecting cavity 2 and zoom pipe 3, and the regulation chamber includes rotating part 13 and fixed part 12, the rotation
Transfer part 13 and the junction of fixed part 12 are provided with bearing, and the rotating part 13 of the regulation chamber 1 is rotatably connected with connecting cavity 2, and institute
The fixed part that the one end of zoom pipe 3 is fixed on regulation chamber 1 is stated, the other end is fixed in connecting cavity 2, and the zoom pipe 3 can be appointed
Meaning is flexible, and the inner side of fixed part 12 of the regulation chamber 1 is provided with a reference lens group 14, and the rotating part 13 of the regulation chamber 1 has
One external screw thread track 111, the external screw thread track 111 is arranged on the junction of the termination of rotating part 13 and connecting cavity 2, the connection
The inner side of chamber 2 is arranged on the end of connecting cavity 2 provided with multiple regulation internal thread tracks 121 of lens group 15 and one, the internal thread track 121
Head and the junction for adjusting chamber 1, the external screw thread track 111 is corresponding with the position of internal thread track 121, and internal thread track 121
External screw thread track 111 is coated, when the rotating part 13 for adjusting chamber 1 rotates, external screw thread track 111 rotates, but is limited in zoom pipe 3
Under system, internal thread track 121 can not be rotated so that connecting cavity 2 produces relative motion with regulation chamber 1, in the effect of rotation forces
Under, change connecting cavity 2 and the distance of regulation chamber 1, to realize the multiplying power for changing overall camera lens.
As shown in figure 3, being the fundamental diagram of automatic focusing unit of the present invention, the rotating part 13 of the regulation chamber 1
Unit is controlled in connection, the middle control unit provides rotary power to the rotating part 13 of regulation chamber 1, and the middle control unit includes driving
Chip 113, variable resistor 112, microprocessor 114, the adjustable end connection input of microprocessor 114 of the variable resistor 112,
The output end of microprocessor 114 connects driving chip 113, and the driving of the driving chip 113 regulation chamber 1 rotates, and it is described can
The adjustable end for becoming resistance 112 is also connected with the output end of an adjustment subelement 115, the one end at the non-dimmable end of the variable resistor 112
Ground connection, another termination high level, the high level connection power supply, the adjustment subelement 115 also has an input, described defeated
Enter the end connection middle control unit, and receive automatic regulating signal transmitted by the middle control unit.
The drive recorder of the present invention has stepless zooming function, can accurately adjust zoom ratio, to entering driving note
Record the vehicle in the range of instrument and carry out whole high definition focusing, lift the record effect of drive recorder, image quality becomes apparent from.
The drive recorder of the present invention has the speed function of the collection loading driving recording vehicle：
The speed detection unit includes a velocity sensor, and the velocity sensor connects with the autozoom unit
Connect, specifically, the velocity sensor is connected with the driving chip 113, when the travel speed of vehicle is very fast, one
Car is shorter to the time for leaving image pickup scope from the image pickup scope for entering drive recorder, now by the middle control unit, control
The stepless zooming of the automatic focusing unit is made, the regulation chamber of the automatic focusing unit is in high performance working condition；
When the travel speed of vehicle is slower or during common speed, a car is from the image pickup scope for entering drive recorder, to leaving shooting model
The time enclosed is longer, now by the middle control unit, controls the stepless zooming of the automatic focusing unit, makes described automatic poly-
The regulation chamber of burnt unit is in the working condition of energy-conservation, is normally carried out zoom camera.It is rationally sharp by selecting different zoom modes
With the performance of drive recorder, on the premise of ensureing to obtain high-definition image, with reference to the concrete condition of traveling, the automatic focusing
The different mode of operation of Unit selection, lifts the record quality of drive recorder, postpones the service life of drive recorder.
In another embodiment, the speed detection unit is to be connected from vehicle interior detection speed sensor by a circuit
Connect in the drive recorder so that the drive recorder can directly obtain car speed.
The drive recorder of the present invention has the night vision function that road conditions are recorded in driving at night：
The night vision unit is arranged on the base side of drive recorder front end camera, and the night vision unit includes infrared connect
Receive device, infrared transmitter, photo resistance and pcb board.Wherein infrared remote receiver is used for the optical image for catching focus objects, described
Infrared transmitter is used to send infrared light, and the infrared transmitter, infrared remote receiver, photo resistance and pcb board are installed in night
Depending on unit fixed seat, the night vision unit fixed seat is fixed on pick-up lens.The infrared transmitter, infrared remote receiver and light
Quick resistance is arranged on the pcb board by SMT mount technologies, and the pcb board is connected on the middle control unit；
The photo resistance is used to sense drive recorder and is focused vehicle institute illuminance value at ambient, with identification
Go out whether to need to open night vision function, judge when the illuminance value that photo resistance is received is less than 0.3lux (Lux), then
Identify as night, and open night vision function；Wherein infrared transmitter transmitting Infrared irradiation focuses on vehicle, and infrared remote receiver connects
Receive the infra-red radiation imaging of reflection.Picture is obtained by night vision unit to carry out and Pseudo Col ored Image, and greyscale pattern is converted into coloured silk
Colored pattern.
Using the drive recorder with night vision function that provides of the present invention, after the night vision image of acquisition, and by night vision figure
As carrying out color processing, the true road conditions in night environment are reduced.
The drive recorder of the present invention has distance measurement function：
The range cells include generating laser, laser pickoff, filters center, laser controller and laser and supplied
Electrical component；The laser powered sensor component is supplied generating laser, laser pickoff, filters center, laser controller
Electricity；The generating laser, laser pickoff, laser controller are both connected on filters center, the filters center
On the processor for connecting the middle control unit, and the range information measured is sent into the processor；The generating laser and swash
Optical receiver is placed on two avris of camera lens front end, and the generating laser and laser pickoff are fixed by laser respectively
Seat is fixed on two avris of camera lens front end, and the laser fixed seat is provided with manual knob, be able to will be swashed by manual knob regulation
Optical transmitting set and laser pickoff pad are to having an angle, and the straight line where making generating laser is converged a bit with laser pickoff
On, the position is in front of drive recorder.
The laser transmitter projects go out laser and received after the reflection of object being measured by laser pickoff, and rangefinder is same
When the recording laser round time, the half of the light velocity and the product of two-way time, is exactly laser ranging system and object being measured
The distance between, the percentage error of adopting said method measurement distance is 0.1% or so.
Using the range cells, measure front vehicles and be mounted with the distance of the vehicle of drive recorder, timely early warning
Safe distance between the vehicle of human pilot, it is ensured that the safety of traveling.
For the ordinary skill in the art, according to the teachings of the present invention, do not depart from the present invention principle with
In the case of spirit, changes, modifications, replacement and the modification carried out to embodiment still fall within protection scope of the present invention it
It is interior.
Claims (8)
1. a kind of drive recorder with autofocus adjustment function, it is characterised in that the drive recorder includes：
One speed detection unit, the car speed of the drive recorder is mounted with for detecting；
One automatic focusing unit, the automatic focusing unit connects the speed detection unit, the automatic focusing unit according to
The speed of the speed detection unit selects different mode of operations；
The automatic focusing unit includes a regulation chamber, a connecting cavity and a zoom pipe, and it is saturating that the regulation intracavitary accommodates a benchmark
Microscope group, and one end with the connecting cavity by being rotatably connected, the other end is fixedly connected with the zoom pipe, the zoom pipe with it is described
Connecting cavity is fixedly connected；
Unit is controlled in one, the middle control unit connects the speed detection unit and the automatic focusing unit.
2. a kind of drive recorder with autofocus adjustment function as claimed in claim 1, it is characterised in that the regulation
Chamber includes a rotating part and a fixed part, and the junction of the rotating part and the fixed part is provided with bearing, the rotating part with
The connecting cavity rotatable connection.
3. a kind of drive recorder with autofocus adjustment function as claimed in claim 2, it is characterised in that the fixation
The reference lens group is set on the inside of portion, and the rotating part termination and the junction of the connecting cavity set an external screw thread track.
4. a kind of drive recorder with autofocus adjustment function as claimed in claim 3, it is characterised in that the connection
Intracavitary side sets several to adjust lens group and an internal thread track, and the internal thread track is arranged on the connecting cavity and institute
State the junction of regulation chamber；
The external screw thread track and the position of the internal thread track are mutually corresponding, and the internal thread track coats the outer spiral shell
Line track.
5. a kind of drive recorder with autofocus adjustment function as claimed in claim 3, it is characterised in that the middle control
Unit includes a driving chip, a variable resistor, a microprocessor, the adjustable end connection microprocessor input of the variable resistor
End, the output end of microprocessor connects driving chip, the driving chip driving regulation chamber rotation.
6. a kind of drive recorder with autofocus adjustment function as claimed in claim 1, it is characterised in that the speed
Detection unit includes a velocity sensor, and the velocity sensor is connected with the autozoom unit.
7. a kind of drive recorder with autofocus adjustment function as claimed in claim 1, it is characterised in that the driving
Recorder also includes a night vision unit, and the night vision unit is arranged on the base side of drive recorder front end camera；
The night vision unit includes infrared remote receiver, infrared transmitter, photo resistance and pcb board, the infrared transmitter, infrared
Receiver and photo resistance are arranged on the pcb board by SMT mount technologies, and it is single that the pcb board is connected to the middle control
Member.
8. a kind of drive recorder with autofocus adjustment function as claimed in claim 1, it is characterised in that the driving
Recorder also includes a range cells, and the range cells include generating laser, laser pickoff, filters center, laser
Device controller and laser powered sensor component；
The generating laser, laser pickoff are all connected on the filters center, and the filters center connection is described
On the processor of middle control unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710229561.2A CN107067495A (en) | 2017-04-10 | 2017-04-10 | A kind of drive recorder with autofocus adjustment function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710229561.2A CN107067495A (en) | 2017-04-10 | 2017-04-10 | A kind of drive recorder with autofocus adjustment function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107067495A true CN107067495A (en) | 2017-08-18 |
Family
ID=59602296
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710229561.2A Pending CN107067495A (en) | 2017-04-10 | 2017-04-10 | A kind of drive recorder with autofocus adjustment function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107067495A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201232954Y (en) * | 2008-07-25 | 2009-05-06 | 深圳市中电照明股份有限公司 | Zoom LED lamp |
| TW200936411A (en) * | 2008-02-29 | 2009-09-01 | Univ Nat Formosa | Dynamical image display system for vehicle and method thereof |
| CN102529812A (en) * | 2012-01-13 | 2012-07-04 | 深圳市保千里电子有限公司 | System of vehicle night vision camcorder and method realizing system |
| CN203116856U (en) * | 2012-10-30 | 2013-08-07 | 广州飒特红外股份有限公司 | System of lens automatically zooming along with vehicle speed |
| CN103676083A (en) * | 2013-12-16 | 2014-03-26 | 西安天和防务技术股份有限公司 | Optical lens with double view fields capable of being switched automatically and method for automatic switching of double view fields of optical lens |
| CN203706276U (en) * | 2013-12-31 | 2014-07-09 | 东莞市远峰科技有限公司 | Automobile data recorder |
| CN105953654A (en) * | 2015-02-11 | 2016-09-21 | 贵州景浩科技有限公司 | High integration electronic sighting device and adjustment and calibration method capable of accurate partition |
| CN206684804U (en) * | 2017-04-10 | 2017-11-28 | 江苏车视杰电子有限公司 | A kind of drive recorder with autofocus adjustment function |
-
2017
- 2017-04-10 CN CN201710229561.2A patent/CN107067495A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TW200936411A (en) * | 2008-02-29 | 2009-09-01 | Univ Nat Formosa | Dynamical image display system for vehicle and method thereof |
| CN201232954Y (en) * | 2008-07-25 | 2009-05-06 | 深圳市中电照明股份有限公司 | Zoom LED lamp |
| CN102529812A (en) * | 2012-01-13 | 2012-07-04 | 深圳市保千里电子有限公司 | System of vehicle night vision camcorder and method realizing system |
| CN203116856U (en) * | 2012-10-30 | 2013-08-07 | 广州飒特红外股份有限公司 | System of lens automatically zooming along with vehicle speed |
| CN103676083A (en) * | 2013-12-16 | 2014-03-26 | 西安天和防务技术股份有限公司 | Optical lens with double view fields capable of being switched automatically and method for automatic switching of double view fields of optical lens |
| CN203706276U (en) * | 2013-12-31 | 2014-07-09 | 东莞市远峰科技有限公司 | Automobile data recorder |
| CN105953654A (en) * | 2015-02-11 | 2016-09-21 | 贵州景浩科技有限公司 | High integration electronic sighting device and adjustment and calibration method capable of accurate partition |
| CN206684804U (en) * | 2017-04-10 | 2017-11-28 | 江苏车视杰电子有限公司 | A kind of drive recorder with autofocus adjustment function |
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Application publication date: 20170818 |
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