CN105807386A - Lens installation method and device, and terminal - Google Patents

Lens installation method and device, and terminal Download PDF

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Publication number
CN105807386A
CN105807386A CN201610365769.2A CN201610365769A CN105807386A CN 105807386 A CN105807386 A CN 105807386A CN 201610365769 A CN201610365769 A CN 201610365769A CN 105807386 A CN105807386 A CN 105807386A
Authority
CN
China
Prior art keywords
camera lens
distance
preset distance
focusing
lens
Prior art date
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
Application number
CN201610365769.2A
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Chinese (zh)
Inventor
于盼
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
LeTV Holding Beijing Co Ltd
LeTV Mobile Intelligent Information Technology Beijing Co Ltd
Original Assignee
LeTV Holding Beijing Co Ltd
LeTV Mobile Intelligent Information Technology Beijing Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by LeTV Holding Beijing Co Ltd, LeTV Mobile Intelligent Information Technology Beijing Co Ltd filed Critical LeTV Holding Beijing Co Ltd
Priority to CN201610365769.2A priority Critical patent/CN105807386A/en
Publication of CN105807386A publication Critical patent/CN105807386A/en
Pending legal-status Critical Current

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Classifications

    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B7/00Mountings, adjusting means, or light-tight connections, for optical elements
    • G02B7/02Mountings, adjusting means, or light-tight connections, for optical elements for lenses
    • G02B7/025Mountings, adjusting means, or light-tight connections, for optical elements for lenses using glue
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B7/00Mountings, adjusting means, or light-tight connections, for optical elements
    • G02B7/02Mountings, adjusting means, or light-tight connections, for optical elements for lenses
    • G02B7/04Mountings, adjusting means, or light-tight connections, for optical elements for lenses with mechanism for focusing or varying magnification

Abstract

An embodiment of the invention relates to the optical field and discloses a lens installation method and device, and a terminal. The lens installation method comprises adjusting the focus of a lens at a preset focusing distance; downwards screwing the focused lens at a preset distance towards the direction of an imaging plane; and fixing the downwards screwed lens and a base. By downwards screwing the focused lens at a preset distance towards the direction of the imaging plane, the phenomenon of photo dimming caused by the effect of the high temperature or high humidity environment on the camera module is avoided, and the long-shot shooting ability of the camera module with the lens installed with the installation method is improved.

Description

For method, equipment and terminal that camera lens is installed
Technical field
The present embodiments relate to optical field, in particular it relates to a kind of method equipment for camera lens installation and terminal.
Background technology
Being installed in the photographic head industry of terminal at present, the effect of taking pictures in order to promote night scene can select the camera lens of large aperture, and it is little and camera module assembles the shortcomings such as change is more sensitive tilted that large aperture camera lens exists the depth of field.
Fig. 1 illustrates the mounting process step of camera lens in prior art.As it is shown in figure 1, the mounting process of camera lens mainly comprises the steps that step S11 in prior art, with default focussing distance, camera lens is focused;Step S12, exchanges defocused camera lens and is fixed, and is generally adopted point glue equipment and carries out a glue and fix.
In the process realizing the present invention, inventor have found that existing camera lens installation method at least there is problems in that the critical component of glue material or the composition camera module used in camera lens mounting process, all kinds of glue materials used in microscope base, camera lens, imaging surface and module group assembling process, capital changes with temperature or humidity and changes, this quality that camera module of picture pick-up device is produced is had higher requirement, especially picture pick-up device is when bearing high temperature or high humidity, material is heated or imbibition, causes that vista shot cannot be focused clearly.
Summary of the invention
The purpose of the embodiment of the present invention is to provide a kind of method, equipment and terminal installed for camera lens.It can solve the problem that photographic head module is affected by high temperature or high humidity environment and fuzzy phenomenon of taking pictures occurs.
To achieve these goals, the embodiment of the present invention provides a kind of method installed for camera lens, and the method includes: with default focussing distance, camera lens is focused;By the camera lens after focusing to imaging surface direction backspin one preset distance;And the camera lens after backspin processes and microscope base are fixed.
Preferably, described preset distance is determined according to the maximal translation of described camera lens difference and motor stroke, the maximal translation difference of wherein said camera lens refer to each self-corresponding camera lens of maximum object distance and the minimum object distance of prespecified camera lens institute translate between difference.
Preferably, described preset distance is determined according to maximal translation difference and the motor stroke of described camera lens, specifically includes: the maximal translation of described preset distance≤described motor stroke-described camera lens is poor.
Preferably, described by focusing after camera lens to imaging surface direction backspin one preset distance, including: calculate the rotation of lens angle corresponding to described preset distance;And the camera lens after described focusing is rotated the described anglec of rotation to described imaging surface direction.
Preferably, described operation camera lens focused with default focussing distance, and by the camera lens after focusing to the operation of imaging surface direction backspin one preset distance, perform by automatic focusing machine.
Correspondingly, the embodiment of the present invention also provides for a kind of terminal, and this terminal includes: method according to above-mentioned any one claim and the camera lens installed.
Correspondingly, the embodiment of the present invention also provides for a kind of equipment installed for camera lens, and this equipment includes: focussing mechanism, for camera lens being focused with default focussing distance;Lower cyclone, for by the camera lens after focusing to imaging surface direction backspin one preset distance;And fixing device, for the camera lens after backspin processes and microscope base are fixed.
Preferably, described preset distance is determined according to the maximal translation of described camera lens difference and motor stroke, the maximal translation difference of wherein said camera lens refer to each self-corresponding camera lens of maximum object distance and the minimum object distance of prespecified camera lens institute translate between difference.
Preferably, described preset distance is determined according to maximal translation difference and the motor stroke of described camera lens, specifically includes: the maximal translation of described preset distance≤described motor stroke-described camera lens is poor.
Preferably, described lower cyclone includes: computing unit, for calculating the rotation of lens angle corresponding to described preset distance;And backspin unit, for the camera lens after described focusing is rotated the described anglec of rotation to described imaging surface direction.
Preferably, described focussing mechanism and described lower cyclone are automatic focusing machine.
Pass through technique scheme, with default focussing distance, described camera lens is focused, again by the camera lens after focusing to imaging surface direction backspin one preset distance, can solve the problem that photographic head module is affected and the fuzzy phenomenon that occurs taking pictures by high temperature or high humidity environment on the one hand, improve the vista shot ability of the camera module belonging to camera lens adopting described method to install on the other hand.
Other features and advantages of the present invention will be described in detail in detailed description of the invention part subsequently.
Accompanying drawing explanation
Accompanying drawing is used to provide a further understanding of the present invention, and constitutes the part of description, is used for explaining the present invention, but is not intended that limitation of the present invention together with detailed description below.In the accompanying drawings:
Fig. 1 illustrates the mounting process step of camera lens in prior art;
Fig. 2 illustrates the schematic flow sheet of the method installed for camera lens that an embodiment of the present invention provides;
Fig. 3 illustrates the schematic flow sheet that camera lens carries out performance test that an embodiment of the present invention provides;
Fig. 4 illustrates the structured flowchart of the equipment installed for photographic head that an embodiment of the present invention provides;And
Fig. 5 illustrates the structured flowchart of the lower cyclone that an embodiment of the present invention provides.
Description of reference numerals
100 equipment 110 focussing mechanisms
120 times cyclone 130 fixes device
Detailed description of the invention
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is described in detail.It should be appreciated that detailed description of the invention described herein is merely to illustrate and explains the present invention, it is not limited to the present invention.
Embodiment one
Fig. 2 illustrates the schematic flow sheet of the method installed for camera lens that an embodiment of the present invention provides.As in figure 2 it is shown, the method includes: step S21, with default focussing distance, described camera lens is focused;Step S22, by the camera lens after focusing to imaging surface direction backspin one preset distance;And step S23, the camera lens after backspin processes and microscope base are fixed.Hereafter these three step will be described in detail.
In step S21, focus also referred to as " focusing ", refer to and make object blur-free imaging by adjustment image distance (camera lens to the distance between imaging surface).Focussing distance is that prespecified camera lens can the maximum object distance of blur-free imaging, generally, for for terminal (as, mobile phone, panel computer etc.) camera lens, default focussing distance is generally 5m, it is to be understood, however, that the present invention is not restricted to this, it is possible to according to different situations, different camera lenses is arranged different focussing distances.Wherein, when default focussing distance is more big, required focusing time can be more long.
And in camera lens mounting process, camera lens and microscope base are generally by together with being screwed, camera lens is focused and is on hand of spiral rotating lens or microscope base makes to meet Gaussian imaging equation between the image distance of camera lens, object distance and focal length with the distance between adjustable lens and imaging surface so that object can in video camera imaging face blur-free imaging.Preferably, it is possible to perform this operation by automatic focusing machine.
Wherein, Gaussian imaging equation is: 1/u+1/v=1/f, u are object distances, and v is image distance, and f is focal length.Above-mentioned focusing is change image distance v, namely changes the camera lens photocentre distance to the imaging plane of picture pick-up device so that object blur-free imaging.
Step S22, by the camera lens after focusing to imaging surface direction backspin one preset distance.
Carry out imaging for generally using chip camera module, and then imaging surface direction can also refer to chip direction here.
Video camera module is under the environment of high temperature or high humidity, and material can be heated or imbibition, causes that the image distance of photographic head increases, and occurs that distant view is taken pictures fuzzy situation, and distant view here refers to the distant view in object distance range.
And the technical scheme of the embodiment of the present invention, after with default focussing distance camera lens being focused, by the camera lens after focusing is continued to imaging surface direction backspin preset distance, relative to the image distance after regulating with default focussing distance, further reduce the value of image distance, the camera module of picture pick-up device is heated because of material or imbibition and the image distance that causes photographic head to increase compensate, making camera lens preset the distant view in object distance range can blur-free imaging, and on the other hand by camera lens backspin one preset distance, can correspondingly improve the maximum object distance of camera lens, and then improve the vista shot ability of the camera module belonging to camera lens that the method adopting the embodiment of the present invention to provide of knowing clearly is installed.
That is, under default focussing distance, by by the camera lens after focusing to imaging surface direction backspin one preset distance, ensure that the camera module (high temperature or high humidity) in particular circumstances that the camera lens installed of method adopting the embodiment of the present invention to provide is corresponding, vista shot still can be focused clearly.Here, the focussing distance of camera lens is initially specified before step S21 performs.
Camera module has generally comprised camera lens, microscope base, motor and image device (such as chip), in mounted camera module, camera lens and microscope base are fixed together, when the picture pick-up device belonging to camera module carries out shooting focusing, relative with microscope base for driving camera lens image device is moved by motor, therefore, it should be guaranteed that the remote burnt articulation point of camera module or nearly burnt articulation point can not exceed motor stroke range, otherwise can not blur-free imaging.
And then in such scheme, the preset distance of camera lens backspin can not be excessive, otherwise can cause that the remote burnt articulation point of camera module belonging to the camera lens that the method adopting the embodiment of the present invention installs or nearly burnt articulation point are beyond motor stroke range, and then can not blur-free imaging.Therefore, in one embodiment, above-mentioned preset distance can be determined according to motor stroke in the maximal translation difference of camera lens and camera module, wherein, the maximal translation difference of camera lens refer to maximum object distance (equal with default focussing distance) and the minimum object distance of prespecified camera lens each self-corresponding camera lens translation between difference, and camera lens translation actually refers to and to make camera module during blur-free imaging under corresponding object distance, camera lens need to the distance of imaging surface direction translation, generally, as benchmark when camera lens translation is using object distance for infinity, now camera lens translation is zero.Preferably, preset distance should poor less than or equal to the maximal translation of motor stroke and described camera lens between difference so that the remote burnt articulation point of camera module or nearly burnt articulation point are all in motor stroke range.
Generally, the stroke driving the motor (being generally voice coil motor) of camera lens translation can more than 0.26mm, and the maximal translation difference of camera lens is approximately 0.15mm, this camera lens translation difference is determined according to the camera lens depth of field, as long as therefore after the automatic focusing carrying out step S21, camera lens can both be ensured that video camera far burnt and near Jiao blur-free imaging point is all in motor stroke range to being spun under imaging surface direction in 0.11mm (this value is deducted the maximal translation difference of camera lens by the stroke of motor and obtains) scope.
In a preferred embodiment, in step S22, can be 0.002mm by the camera lens after focusing to the preset distance of imaging surface direction backspin, backspin is when too much, can increase picture pick-up device take pictures focusing time motor walk about distance, and then increase the focusing time of picture pick-up device, it is impossible to meet Consumer's Experience well, therefore having selected 0.002mm here, it is guaranteeing that the focusing of video camera module also ensure that the focusing speed of picture pick-up device clearly simultaneously.
In art technology, object distance established standards is in the industry at present: maximum object distance 5.0m, minimum object distance 0.1m.Table 1 illustrates the one_to_one corresponding value of the different object distances of camera lens, image distance and the depth of field.As can be seen from the table; such as; it is the camera lens of 5m for maximum object distance; camera lens backspin 0.002mm after being focused; its maximum object distance can be risen to 10m by 5m, perform step S22 from the side and can improve camera module vista shot ability under home (non high temperature high humidity environment).
According to video camera module material under high humidity atmosphere (such as, when humidity is 85% ± 3%RH) water sucting degree and in high temperature environments (such as, when temperature is 85 DEG C ± 3 DEG C) degrees of expansion known, camera lens after focusing is set as 0.002mm to the backspin distance in imaging surface direction, the video camera module material under above-mentioned high moist and hot environment can be eliminated completely and expand and the unsharp defect of distant view imaging that causes.
In another embodiment, it is assumed that the motor stroke of video camera module is 0.26mm, focal length EFL=3.79mm, maximum object distance L1=5.0m, minimum object distance L2=0.1m, reference table 1 is known, in this case, the maximal translation difference of camera lens is 0.146mm (difference between image distance that object distance is corresponding when being 5m and the camera lens translation corresponding when being 0.1m of object distance), so, as long as above-mentioned preset distance is less than 0.144mm (0.26mm-0.146mm), can both ensure to be provided with the far burnt and near burnt blur-free imaging point of camera module of this camera lens all in motor stroke range, so ensure to be provided with when user uses above-mentioned camera module picture pick-up device can auto-focusing clear.
Table 1
In camera lens mounting process, camera lens and microscope base are generally by together with being screwed, in the step s 21 camera lens is focused and is on hand of spiral rotating lens or microscope base makes to meet Gaussian imaging equation between the image distance of camera lens, object distance and focal length with the distance between adjustable lens and imaging surface so that object can in video camera imaging face blur-free imaging.Preferably, it is possible to perform this operation by automatic focusing machine.Wherein, Gaussian imaging equation is: 1/u+1/v=1/f, u are object distances, and v is image distance, and f is focal length.Focusing in step S21 is change image distance v, namely changes the camera lens photocentre distance to the imaging plane of picture pick-up device so that object blur-free imaging.
Camera lens after focusing can also be performed by automatic focusing machine or other similar machine by step S22 to the operation of imaging surface direction backspin one preset distance.Owing to camera lens and microscope base are generally by being screwed, therefore for automatic focusing machine, described camera lens is made to carry out backspin to imaging surface direction generally by rotating, and then here firstly the need of the rotation of lens angle calculated corresponding to above-mentioned preset distance, then according to this anglec of rotation, camera lens is carried out backspin.Formula Φ=(l/P) * 360 ° can be utilized to calculate the anglec of rotation, and wherein Φ is the anglec of rotation, and l is the distance of camera lens backspin, and P is camera lens pitch.For camera lens backspin 0.002mm, anglec of rotation Φ=(0.002/P) * 360 °, this anglec of rotation can be set as by step S22 the operating parameter of automatic focusing machine.Or, it is preferable that calculation element can be included in automatic focusing machine, to calculate rotation of lens angle according to preset distance, and then only need to be set as above-mentioned preset distance and pitch P the operating parameter of automatic focusing machine upon execution.
After the camera lens backspin of execution of step S22, then perform step S23, the camera lens after backspin processes and microscope base are fixed, be fixed by the relative position of camera lens and microscope base.Prior art generally adopts point glue equipment camera lens is carried out a glue to fix, but it is to be understood that the embodiment of the present invention is not restricted to this.Namely camera lens completes the installation of camera lens after having fixed.
Embodiment two
The present embodiment, on the basis of above-described embodiment, after the camera lens after backspin processes and microscope base are fixed operation, also can farther include: the camera lens fixed is carried out performance test.Fig. 3 illustrates the schematic flow sheet that camera lens carries out performance test that an embodiment of the present invention provides.As it is shown on figure 3, camera lens is carried out performance test may include that step S24, the MTF of testing lens;And/or step S25, the motor curve of testing lens.Generally, the value of MTF more than 70% it is believed that camera lens is qualified, but the standard for different types of its MTF of camera lens may be different.For specifically how testing mtf value and motor curve is belonging to techniques known, will not be described in great detail here.The execution sequence of step S24 and step S25 can be unrestricted in embodiments of the present invention, and can also only perform a step in these two steps.
Embodiment three
Providing a kind of terminal in this embodiment of the invention, the camera lens that this terminal can include the method by embodiment one and two and install, terminal is for example, it may be mobile phone, panel computer etc. here.By adopting above-mentioned camera lens; make user when using terminal taking; no matter under home or high temperature or high humidity environment situation, in default object distance range, all do not have the defect that vista shot is fuzzy, and then enhance the experience that user images for terminal.
Embodiment four
Fig. 4 illustrates the structured flowchart of the equipment 100 installed for photographic head that an embodiment of the present invention provides.As shown in Figure 4, also providing for a kind of equipment 100 installed for camera lens in this embodiment, this equipment 100 includes: focussing mechanism 110, for camera lens being focused with default focussing distance;Lower cyclone 120, by the camera lens after focusing to imaging surface direction backspin one preset distance, carries out imaging for generally using chip camera module, and then imaging surface direction can also refer to chip direction here, and this preset distance can be preferably 0.002mm;And fixing device 130, for the camera lens after backspin processes and microscope base are fixed, namely the relative position of camera lens Yu microscope base is fixed, it is preferable that this fixing device 130 can be point glue equipment, camera lens is carried out a glue and fixes.By increasing lower cyclone by the camera lens after focusing to imaging surface direction backspin one preset distance, can solve the problem that photographic head module is affected and the fuzzy phenomenon that occurs taking pictures by high temperature or high humidity environment on the one hand, improve the vista shot ability of the camera module belonging to camera lens adopting described method to install on the other hand.
Embodiment five
Fig. 5 illustrates the structured flowchart of the lower cyclone that an embodiment of the present invention provides.As it is shown in figure 5, on the basis of embodiment four, lower cyclone 120 may include that computing unit 121, for calculating the rotation of lens angle corresponding to described preset distance;And backspin unit 122, for the camera lens after described focusing is rotated the described anglec of rotation to described imaging surface direction.Owing to camera lens and microscope base are generally by being screwed, therefore for lower cyclone 120, described camera lens is made to carry out backspin to imaging surface direction generally by rotating, and then here firstly the need of the rotation of lens angle calculated corresponding to above-mentioned preset distance, then camera lens is rotated this anglec of rotation to imaging surface direction.For camera lens backspin l, computing unit 121 can utilize formula Φ=(l/P) * 360 ° to calculate the anglec of rotation, and wherein Φ is the anglec of rotation, and P is camera lens pitch.Upon execution above-mentioned preset distance l and pitch P are set as the operating parameter of lower cyclone 120.
Preferably, the operation of the focussing mechanism 110 in embodiment four and embodiment five and lower cyclone 120 all can be performed by automatic focusing machine.
The equipment 100 for photographic head installation that the embodiment of the present invention provides is similar to benefit to the above-mentioned enforcement principle for the method for photographic head installation, will not be described in great detail here.
The preferred embodiment of the present invention is described in detail above in association with accompanying drawing; but; the present invention is not limited to the detail in above-mentioned embodiment; in the technology concept of the present invention; technical scheme can being carried out multiple simple variant, these simple variant belong to protection scope of the present invention.
It is further to note that, each concrete technical characteristic described in above-mentioned detailed description of the invention, in reconcilable situation, it is possible to be combined by any suitable mode, in order to avoid unnecessary repetition, various possible compound modes are no longer illustrated by the present invention separately.
Additionally, can also carry out combination in any between the various different embodiment of the present invention, as long as it is without prejudice to the thought of the present invention, it should be considered as content disclosed in this invention equally.

Claims (11)

1. the method installed for camera lens, it is characterised in that including:
With default focussing distance, camera lens is focused;
By the camera lens after focusing to imaging surface direction backspin one preset distance;And
Camera lens after backspin processes and microscope base are fixed.
2. method according to claim 1, it is characterized in that, described preset distance is determined according to the maximal translation of camera lens difference and motor stroke, the maximal translation difference of wherein said camera lens refer to each self-corresponding camera lens of maximum object distance and the minimum object distance of prespecified camera lens institute translate between difference.
3. method according to claim 2, it is characterised in that described preset distance is determined according to maximal translation difference and the motor stroke of described camera lens, specifically includes:
The maximal translation of described preset distance≤described motor stroke-described camera lens is poor.
4. method according to claim 1, it is characterised in that described by focusing after camera lens to imaging surface direction backspin one preset distance, including:
Calculate the rotation of lens angle corresponding to described preset distance;And
Camera lens after described focusing is rotated the described anglec of rotation to described imaging surface direction.
5. according to the arbitrary described method of claim 1-4, it is characterised in that described operation camera lens focused with default focussing distance, and by the camera lens after focusing to the operation of imaging surface direction backspin one preset distance, perform by automatic focusing machine.
6. a terminal, it is characterised in that this terminal includes: method according to any one claim in claim 1-5 and the camera lens installed.
7. the equipment installed for camera lens, it is characterised in that this equipment includes:
Focussing mechanism, for focusing to camera lens with default focussing distance;
Lower cyclone, for by the camera lens after focusing to imaging surface direction backspin one preset distance;And
Fixing device, for being fixed the camera lens after backspin processes and microscope base.
8. equipment according to claim 7, it is characterized in that, described preset distance is determined according to the maximal translation of camera lens difference and motor stroke, the maximal translation difference of wherein said camera lens refer to each self-corresponding camera lens of maximum object distance and the minimum object distance of prespecified camera lens institute translate between difference.
9. equipment according to claim 7, it is characterised in that described preset distance is determined according to maximal translation difference and the motor stroke of described camera lens, specifically includes:
The maximal translation of described preset distance≤described motor stroke-described camera lens is poor.
10. equipment according to claim 7, it is characterised in that described lower cyclone includes:
Computing unit, for calculating the rotation of lens angle corresponding to described preset distance;And
Backspin unit, for rotating the described anglec of rotation by the camera lens after described focusing to described imaging surface direction.
11. according to the arbitrary described equipment of claim 7-10, it is characterised in that described focussing mechanism and described lower cyclone are automatic focusing machine.
CN201610365769.2A 2016-05-27 2016-05-27 Lens installation method and device, and terminal Pending CN105807386A (en)

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Publication number Priority date Publication date Assignee Title
CN106842488A (en) * 2017-02-24 2017-06-13 瑞声科技(新加坡)有限公司 The focusing method of camera module
CN111371971A (en) * 2019-10-14 2020-07-03 横店集团东磁有限公司 COB camera module and packaging method thereof
CN111398974A (en) * 2020-04-10 2020-07-10 广东博智林机器人有限公司 Laser detection device
CN114785960A (en) * 2022-06-16 2022-07-22 鹰驾科技(深圳)有限公司 360 degree panorama vehicle event data recorder system based on wireless transmission technology

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CN101034196A (en) * 2006-03-10 2007-09-12 佳能株式会社 Optical apparatus, image pickup apparatus and lens device
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CN105319801A (en) * 2014-07-07 2016-02-10 宁波舜宇光电信息有限公司 Auto-focus camera module lens focusing and positioning method

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CN101034196A (en) * 2006-03-10 2007-09-12 佳能株式会社 Optical apparatus, image pickup apparatus and lens device
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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106842488A (en) * 2017-02-24 2017-06-13 瑞声科技(新加坡)有限公司 The focusing method of camera module
CN111371971A (en) * 2019-10-14 2020-07-03 横店集团东磁有限公司 COB camera module and packaging method thereof
CN111371971B (en) * 2019-10-14 2021-05-18 横店集团东磁有限公司 COB camera module and packaging method thereof
CN111398974A (en) * 2020-04-10 2020-07-10 广东博智林机器人有限公司 Laser detection device
CN114785960A (en) * 2022-06-16 2022-07-22 鹰驾科技(深圳)有限公司 360 degree panorama vehicle event data recorder system based on wireless transmission technology

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Application publication date: 20160727