CN102998892B - Possess camera model follow-on test and the focus control of position detecting function - Google Patents
Possess camera model follow-on test and the focus control of position detecting function Download PDFInfo
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- CN102998892B CN102998892B CN201210328685.3A CN201210328685A CN102998892B CN 102998892 B CN102998892 B CN 102998892B CN 201210328685 A CN201210328685 A CN 201210328685A CN 102998892 B CN102998892 B CN 102998892B
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- camera model
- test
- camera
- focus
- focusing
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M11/00—Testing of optical apparatus; Testing structures by optical methods not otherwise provided for
- G01M11/02—Testing optical properties
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/26—Measuring arrangements characterised by the use of optical techniques for measuring angles or tapers; for testing the alignment of axes
- G01B11/27—Measuring arrangements characterised by the use of optical techniques for measuring angles or tapers; for testing the alignment of axes for testing the alignment of axes
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B17/00—Details of cameras or camera bodies; Accessories therefor
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B43/00—Testing correct operation of photographic apparatus or parts thereof
Abstract
The present invention relates to camera model follow-on test and focus control, particularly multiple camera models are continuously performed the image about camera model and focus test and focus is adjusted and possesses the camera model follow-on test and focus control being detected by position and helping the position detecting function of precision measurement and focus adjustment.Firm banking, focusing portion on base, the camera model that focusing plate parts and position adjustment portion are carried out by vision portion and laser portion is arranged with height detection and pre-adjustment to optimum position, and its position adjusts by driving independently of one another, thus make minimum vibration, focus is greatly improved adjust and test and the precision of image measurement, and adjust and in test process a camera model being implemented focus, image measurement and the handling of new camera model of another camera model can be implemented simultaneously, to guarantee to test continuity, the time can be shortened, testing efficiency is greatly improved, the position of the multiple camera model fixture for laying camera model of position adjustment portion adjustable.
Description
Technical field
The present invention relates to a kind of camera model follow-on test and focus control, particularly relate to multiple camera models continuous
Perform image measurement, the focus test relevant to the camera model being assembled into digital camera or mobile phone etc. and focus adjusts and tool
The camera model contributing to carrying out the position detecting function of the test of precision and focus adjustment by position for being detected is surveyed continuously
Examination and focus control.
Background technology
It is commonly used for the camera model of digital camera or mobile phone camera by housing and the group for assembling imageing sensor
Installing to the camera lens composition in imageing sensor front, its composition can make the imageing sensor image to being inputted by camera lens carry out numeral
Change.
The kind of such camera model substantially divides into FF type (Fixed Focus Type, fixing focusing type) and AF type
(Auto Focus Type, auto-focusing type).FF type is the module being fixed into a focal length, although AF type is basic fixing
But focal length is fixed can be changed by set driver in camera lens part applying curtage is driven camera lens part
The module of focal length.AF type camera model composition is as follows: be made up of lens system multiple camera lenses, and because possessing VCM (Voice Coil
Motor, voice coil motor) etc. driver, it is possible to move each camera lens and change its relative distance, thus adjust optical focal length.
Above-mentioned camera model can perform camera model itself and described optics before being assembled into digital camera or mobile phone
The adjustment process of focal length is tested the most normally.
That is, according to the difference of spacing between camera lens and imageing sensor, setting is input to the clear of the portrait of imageing sensor
Clear degree, colourity, brightness etc., therefore, in order to be fixed and image clearly, utilize camera model test and focus control, real
The process of testing examination camera model whether driven and being implemented in judge focus have without exception afterwards and have abnormal in focus
In the case of regulate the adjustment process of focus, then dispatch from the factory.
Fig. 1 is the test of common camera model and the structure chart of focus control, by being provided with assembling camera mould on host 10
The assembly fixture 6 of block 7, be arranged in this assembly fixture 6 top and can with the photography target thing 1 of camera model 7 photography and with dress
Fit over the image processing apparatus composition that the camera model 7 on described assembly fixture 6 connects.Now, described photography target thing 1 be according to
In accordance with mode and assembly fixture 6 configuration spaced apart of the focal length of camera model 7, image processing apparatus is according to by camera
The mode being connected with camera model 7 under the state that module 7 is assembled to described assembly fixture 6 is constituted.
In the test of such camera model and focus control, test to carry out the focus of described camera model 7, should be true
Protect the focal length of described assembly fixture 6 and the distance substantially camera model 7 of photography target thing 1, thus the size of main frame 10 becomes very
Greatly.Therefore, in recent years, develop and the test of following camera model and focus control are widely used: i.e. assembling camera model 7 being used for
The top of assembly fixture 6 optical system 5 is set, to shrink the focal length of camera model 7, it is possible to configure photography target thing 1
The size of main frame 10 is reduced nearby at camera model 7.
The concrete test process utilizing the test of described camera model and focus control includes: the open circuit/short circuit to camera model
Test, the resistance value mensuration of power line, power consumption test, input and output leakage current testing etc., judge phase by these tests
Machine module is the worst.
Additionally, test and adjustment process as the focus implemented before dispatching from the factory at camera model, including: according in accordance with specific
The mode of fixed focal length and precision rotation camera lens with determine connect the fixing focusing adjustment of the degree of depth, image measurement, AF drive test
Deng.Described focusing is the process that the fixed-focus to camera lens is tested, and image measurement is the output of rigorous analysis camera model
Image and test the process with or without defects such as unit-pixel defect, cut or particles, AF drive test be drive camera model this
The operation of the test automatic focusing function that the drive divisions such as the VCM that body has realize has N/R process.
But, in the past, single camera module testing and focus control, a camera model can only be implemented test and adjust
Process, it is thus impossible to multiple camera models carry out continuous print test and adjustment process simultaneously, implements multiple camera mould at needs
In the case of the test of block, the required testing time is the longest, thus has the problem that power of the test declines.
It addition, in order to camera model is carried out focus adjustment, need to make focus adjustment chuck drop to be tested
The camera lens of camera model carry out focus test and adjustment nearby, but can not carry out during making chuck decline so that
Chuck and camera model stable is accurate for the purpose of contacting to be adjusted, thus has it occur frequently that the problem of following situation: due to folder
The contact that camera lens is produced by head, it is difficult to carry out correct focus and measure, and focus adjusts and becomes bad；Or at described folder
In the case of head excessive descent, the camera lens of camera model is destroyed.
Additionally, chuck is to form knobs in its lower end, described knobs and the upper end shape at described camera model
The groove of the barrel become combines, and described chuck makes described barrel rotate when rotated, the camera lens position of regulation camera model
Put, but because precision combines the process difficulty of described knobs and groove, thus be generally manually operated and configure so that
The knobs of camera model is coincide with the groove of barrel.
By such manually operated assembling camera model, coincide each other with knobs according to groove by the way of carry out
In the case of configuration, precision is remarkably decreased, and chuck is when declining, and because of vibration, camera model deviates from origin-location, and round end is dashed forward
Rise and contact to misfit each other with groove, owing to such situation is quite a lot of, when it is carried out the inefficient operations such as adjustment again
Between increase, therefore the required testing time is the longest, and causes the problem that power of the test declines, micrometric measurement efficiency declines.
Also, in focus test process, the specification according to camera model is different and optical system, photography target thing or camera
Interval between module is different, can not have a problem in that caused by generation picture angular difference in the case of proper alignment at these
Test error, and correct test and focus adjustment can not be realized.
Particularly, the test of existing camera model as described above and focus control during adjusting focus, for
Make the barrel being positioned at described camera model top rotate, need to make described chuck repeatedly lift, therefore, whenever because of chuck
After barrel rotates, the position of camera model is when staggering, and needs the operation of correction, and more increases test and focus adjusts behaviour
Make the time, therefore produce various problem along with the lifting of chuck.
Prior art literature
Patent document
Ebrean Registered Patent the 0947041st
Summary of the invention
Problem to be solved
In order to solve above-mentioned problem, it is an object of the invention to provide following device: by being fixed for assembling camera
Module and the base of chuck, change the position of photography target thing, thus prevent the position deviation because vibrating the camera model caused,
Make replacement operation become easy, it is possible to significantly shorten test and focus adjusts the time of process and can be greatly improved
Efficiency.
It addition, it is an object of the invention to provide following device: by measuring between the layout between chuck and camera model
Every, the height of testing lens cylinder, the thus accurate decline degree controlling chuck, thus eliminate the contact produced by chuck,
And make camera model correct rotation to adjust focus.
Also, it is an object of the invention to provide following device: by eliminating conventional adjusting and for the purpose of test by focus
The lifting process of chuck is repeated, can significantly shorten test and the time of focus adjustment process, and can solve because of folder
Head and barrel rotate the various problems of the deviation such as camera model that caused or visual angle significant difference etc.
It is further an object that provide following device: by enable camera model top automatically identify for
Rotating lens cylinder, on the basis of the position of barrel, adjust the position of camera model fixture for disposing camera model, from
And make the groove of knobs that chuck possessed and described barrel correctly coincide, thus shorten test and time focus adjusts
Between, and test correctness and reliability are greatly improved.
Solve problem means
For realizing the camera model follow-on test possessing position detecting function and the tune of the foundation present invention of above-mentioned purpose
Coke installation, including: focusing plate parts, it provides light source and focusing plate；Focusing portion, it utilizes described focusing plate to perform camera model
Focus adjust, and utilize chuck adjust described camera model focal length；First image measurement portion and the second image measurement portion, respectively
Separate predetermined distance layout to the left and right since described focusing portion and perform image measurement；Camera model department of assembly, will dispose phase
The first camera Modular jig of machine module and second camera Modular jig separate described predetermined distance and arrange and transmit to left and right；
Vision portion, examines the layout of the barrel possessed by the described camera model being placed in described camera model fixture
Survey；And laser portion, the height of described barrel is detected, wherein, detects according to by described vision portion and laser portion
The layout of described barrel that possessed of camera model and height, dash forward according to the round end on the chuck being arranged on described focusing portion
Rise in the way of the groove of contactless state with described barrel coincide, rotate and the clip position in focusing portion described in lift adjustment
After, the focus implementing to be carried out by described focusing portion is adjusted, and arbitrary in described first and second camera model fixtures
During individual execution focus adjusts, another in described first and second camera model fixtures is performed image measurement.
At this point it is possible to be characterized with following content: described camera model department of assembly moves repeatedly to left and right, repeatedly performs
Described image measurement or focus adjust, and continuously perform the test of multiple camera model.
Furthermore, it is possible to farther include position adjustment portion, its with regulation guide rail linkage by camera model department of assembly to the left,
Right transmission, the detection described barrel arranged according to described vision portion, adjust camera model department of assembly in back and forth or left and right
Position.
Now, above-mentioned position adjustment portion is characterised by: described position adjustment portion according to described vision portion to described camera lens
The detection that cylinder is arranged adjusts the position of camera model department of assembly, proper alignment above-mentioned first camera module or second camera mould
Block is to eliminate described first image measurement portion, the second image measurement portion or the focusing portion picture angular difference when test.
On the other hand, the first support sector having possessed the guide rail guiding the lifting of focusing portion is farther included, it is characterised in that
Described first support sector drops to above-mentioned camera model and the focusing of focusing portion terminate after basic point, and complete the test in focusing portion
Rear rising, during decline, according to the height of the barrel that described laser portion is detected so that it is drop to the circle that described chuck is possessed
The groove of head protrusion and described barrel is with on contactless identical position.
It addition, described focusing portion makes described knobs when regulating the focus of camera model according to the rotation of described chuck
Contact with the groove of described barrel and guide the rotation of barrel, and make described knobs be replaced in when testing focus
Groove contactless state with described barrel.
Additionally, main frame possesses the guide rail guiding the lifting of above-mentioned focusing plate, and also include at least some of of described main frame
The second support sector moved left and right by guide rail.
Now, described second support sector can be with plate of focusing described in proper alignment will pass through according to described vision portion and laser
The described camera model in portion and the proper alignment in focusing portion eliminate picture angular difference during test..
Further, described first image measurement portion or the second image measurement portion automatically can stretch before the next one is tested
Built-in cylinder, makes image measurement head be directed at test object camera model, after test terminates, can shrink cylinder.
On the other hand, described focusing portion can perform focus test automatically and focus adjusts operation, and at camera model
Be placed in after described first camera Modular jig and second camera Modular jig when electric current is applied to sensor, perform OST or
Testing current.
Additionally, described first image measurement portion or the second image measurement portion can perform shadow testing, image smear is tested,
At least one test in stain test, color dot test, fixed pattern noise (Fixed pattern noise, FPN) test.
Invention effect
According to the present invention, firm banking, the focusing portion being positioned on base, focusing plate and position adjustment portion are not only by base
In vision portion and laser portion, camera model is arranged and the detection of height and be adjusted in advance on optimum position, and they
Position adjusted by driving independent of each other, thus make minimum vibration, focus be greatly improved and adjust and test and figure
As the precision of test, and adjust a camera model being implemented focus and in test process, implement another phase simultaneously
The image measurement of machine module and the handling of new camera model, to guarantee to test continuity, thus have shortening time, significantly
Improve testing efficiency effect, wherein, described position adjustment portion to multiple for disposing the camera model fixture of camera model
Position is adjusted.
It addition, the present invention is by measuring the arrangement interval between chuck and camera model, after determining the height of barrel, essence
The decline degree of close control chuck, thus eliminate the contact produced by chuck, and make the camera for adjusting focus
Module correct rotation, thus has the effect improving measuring accuracy further.
And then, the present invention persistently carries out focus adjustment and survey when maintaining original position after subordinate's fall of focusing
Examination, therefore has and solves because the folder in focusing portion lifts the deviation such as camera model caused repeatedly or draws each of angular difference etc
The problem of kind.
Additionally, by the present invention in that camera model top can automatically identify for rotating lens cylinder, with barrel
The position being used for disposing the camera model fixture of camera model is adjusted on the basis of position, so that the knobs that chuck is possessed
Correctly it coincide with the groove of described barrel, thus shorten test and focus adjusts the time, and test correctness is greatly improved
And reliability.
Accompanying drawing explanation
Fig. 1 is the test of common camera model and the structure chart of focus control；
Fig. 2 to Fig. 3 is the camera model follow-on test possessing position detecting function according to the embodiment of the present invention and focusing
The structure chart of device；
Fig. 4 is the operating diagram in the first and second image measurement portions according to the embodiment of the present invention；
Fig. 5 is the focusing portion according to the embodiment of the present invention and the detailed structure view of the first support sector；
Fig. 6 is the position adjustment portion according to the embodiment of the present invention and the detailed construction of the first and second camera model fixtures
Figure；
Fig. 7 is the focusing plate parts according to the embodiment of the present invention and the detailed structure view of the second support sector；
Fig. 8 is the camera model follow-on test possessing position detecting function according to the embodiment of the present invention and focus control
Operating diagram；
Fig. 9 is to adjust chuck (collet, i.e. cartridge clip) about the laser portion utilized according to embodiments of the present invention and vision portion
The schematic diagram of position；
Figure 10 is knobs and the barrel illustrating the chuck declined with focusing portion according to embodiments of the present invention
The position view of groove；
Figure 11 is between knobs and the groove of barrel that adjoint chuck according to embodiments of the present invention rotates
Operating diagram.
Symbol description
110: vision portion 120: laser portion
130: the first image measurement portion of image measurement portions 140: the second
131,141: image measurement head 132,142: cylinder
150: first camera Modular jig 160: second camera Modular jig
151,161: lid 170,180: position adjustment portion
300: focusing portion 320: chuck
321: knobs 400: focusing plate parts
500: the second support sectors 510,520,530,540: guide rail
600: the first support sectors 610,620: guide rail
700: camera model 710: barrel
711: the groove 800 of barrel: camera model department of assembly
900: base portion 1000: transmit rail
Detailed description of the invention
By drawings and Examples, describe the present invention as above in detail.
Fig. 2 to Fig. 3 is camera model follow-on test and the detailed structure view of focus control possessing position detecting function.
The camera model follow-on test and the focus control that possess position detecting function described in as it can be seen, include: focusing plate
Parts 400, it provides light source and focusing plate；Focusing portion 300, it utilizes described focusing plate parts 400 to perform Jiao of camera model
Point adjusts and test, and utilizes chuck to adjust the focal length of described camera model；First image measurement portion 130 and the second image measurement
Portion 140, it respectively separates predetermined distance setting to left and right since described focusing portion 300 and performs image measurement；Camera model assembles
Portion 800, the first camera Modular jig 150 and second camera Modular jig 160 that have disposed camera model are separated described rule by it
Set a distance arranges and transmits to left and right；Vision portion 110, its camera to being placed on described camera model fixture 150,160
The layout of the barrel that module is possessed detects；And laser portion 120, it is to being placed on described camera model fixture
The height of barrel detects, the institute possessed according to the camera model detected by described vision portion 110 and laser portion 120
State layout and the height of barrel, according to the knobs on the chuck 320 being arranged on described focusing portion 300 with contactless state
The mode coincideing with the groove of described barrel, rotates and after the chuck in focusing portion 300 described in lift adjustment, it is achieved by described
The focus in focusing portion 300 adjusts and test, and is holding any one in described first and second camera model fixtures 150,160
Row focus adjusts and during test, another in described first and second camera model fixtures 150,160 is performed figure
As test.
Described focus adjusts process and includes the test of described focusing portion 300 process of adjusting focal length.
The camera model follow-on test and the focus control that possess described position detecting function carry out open circuit/short circuit test (Open/
ShortTest, hereinafter referred to as OST), testing current, automatically focus on test and adjust, image measurement.
As the example of described image measurement, including shadow testing, defect (defect: stain, RGB) is tested, stain
(Blemish) test, fixed pattern noise test etc..
The camera model follow-on test possessing position detecting function and focus control according to embodiments of the present invention can be held
The test of row OST, testing current, focus and adjustment, shadow testing, image smear and stain, color dot test (Image Blemish&
Defect Test) and fixed pattern noise test, but should be noted, thus it is possible to vary or increase/delete the kind or suitable of test
Sequence.
And then, the camera model follow-on test possessing position detecting function and focus control according to embodiments of the present invention exist
Described focus adjusts and before testing procedure, the barrel possessed according to the camera model detected by described vision portion 110
The height of the barrel arranged and detected by described laser portion 120, detects the correct position of the camera model of test object
Put so that focus adjusts and test process is accurate and rapid.
For above-mentioned image measurement, based on Fig. 2 and Fig. 3, with reference to relevant drawings, illustrate about the adjustment of its focus and
The embodiment constituted in detail in each composition portion that testing efficiency the most more improves.
First, as it can be seen, described first and second camera model fixtures 150,160 provide and are used for disposing described camera mould
The space of block, makes the barrel that described camera model is possessed to exposing outside, and provides the fixing camera model disposed
Lid 151,161.Thus, by rotate described lid 151,161, can described first and second camera model fixtures 150,
Described camera model is easily loaded and unloaded, it is possible to use described lid 151,161 fixes disposed camera model in 160.
It addition, described first and second camera model fixtures 150,160 separate predetermined distance and are arranged on described camera mould
In block department of assembly 800, and, guided described by the transmission rail 1000 being positioned on the base 900 being provided with described structure member
Camera model department of assembly 800 so that it moves to left and right, thus by described first and second camera model fixtures 150,160 to
Left and right transmission.
Along with this conveying of described first and second camera model fixtures 150,160, it is directed at described each phase Face to face
The structure member of machine Modular jig 150,160 can be started working, if described first and second camera model fixtures 150,160 move
After dynamic, any of which is directed at the described first or second image measurement portion 130,140, the most described first or second figure Face to face
As first test department 130,140 carries out image measurement to this camera model fixture.
As shown in Figure 4, the image measurement in the described first or second image measurement portion 130,140 starts, at the end of, in order to
Being conveniently replaceable next camera model, image measurement head 131,141 can be by cylinder 132,142 to forward and backward movement.
That is, described image measurement head 131,141, after test terminates, shifts to rear, thus because cylinder 132,142 shrinks
Personnel convenient to operate can unload camera model 700 from camera model fixture 150,160.
Described first or second image measurement portion 130,140 is after focus test and focus adjustment process terminate, in order to right
Camera model carries out follow-up image resolution ratio and measures, and performs various test.
Such as, shadow testing, image smear, stain, color dot test and fixed pattern noise test are carried out, at described the moon
In shadow test, overall size sets 49 regions, reads brightness, RGB (red, green, blue) value by regional, by region profit
Colourity and luminance test is performed by deviation value.This can perform with the test of image smear, stain and color dot simultaneously.Described fixing mould
Formula noise testing can distinguish the circuit noise (Line Noise) of image, can laterally, vertically set respectively.
If additionally, any one in described first and second camera model fixtures 150,160 is directed at described Face to face
Vision portion 110, the most described vision portion 110 can detect the mirror to the described camera model exposed outside of described camera model fixture
Head cylinder such that it is able to detect the layout (or existence) of described barrel.Now, described vision portion can be with structure on described barrel
The layout of detector lens cylinder on the basis of the groove arrangement become.
According to the layout of the barrel that described vision portion 110 detects, described focusing portion 300 makes described chuck revolve in advance
Turn so that the groove that the knobs that the bottom of described chuck 320 is possessed and described barrel are possessed coincide each other, thus
The position of described knobs can be pre-adjusted, thus, be directed at described focusing portion Face to face at described camera model fixture
In the case of 300, described focusing portion 300 is made to decline immediately and regulate focus, therefore, it is possible to needed for significantly shortening regulation focus
Operating time.This is hereinafter described in detail.
On the other hand, described laser portion it is directed at Face to face when any one in described first and second camera model fixtures
When 120, the most described laser portion 120 can detect the interval between described camera model and described focusing portion 300 such that it is able to inspection
Survey the height of barrel.
The layout detected by described vision portion 110 and described laser portion 120 and height, it may be determined that the position of barrel
Putting, described focusing portion 300 can determine, according to the position of the barrel determined, the described knobs making chuck 320 be possessed
With the groove of described barrel with the most contactless identical assigned position, and drop to defined location and make knobs
It coincide each other with the groove of barrel.
So, coincide by the groove that makes knobs and barrel is the most contactless, can easily prevent existing by
Chuck 320 produce the camera lens caused by contact destruction or when chuck 320 rotates produce vibration cause focus to deviate
The phenomenon of desired regulation numerical value.I.e., it can be ensured that fine focus adjusts and controls.This is the most hereinafter carried out specifically
Bright.
As it has been described above, be accomplished by vision portion 110 and the position of the barrel that camera model is possessed is detected in laser portion 120
After putting (including arranging and height), any one in described first and second camera model fixtures 150,160 is to described focusing portion
300 shift and are positioned at position aspectant with it.
Now, as shown in (a) in Fig. 5, described focusing portion 300 can be with lens barrel morphosis, in order to shorten focal length, at mirror
Cylinder top can arrange the optical system 310 such as collimating camera lens (Collimator Lense) etc, now, described collimating mirror
Head is conducive to the picture angle of described camera model so that even if the light source provided by focusing plate parts 400 can also in short distance
It is readily concentrated to described camera model, it is possible to volume whole device shared by is greatly decreased.
Additionally, as shown in (b) in Fig. 5, described focusing portion 300 by guide rail 610,620 and is separately located on described base 900
The first support sector 600 be connected to each other, the guide rail 610,620 of described first support sector 600 guides the liter in described focusing portion 300
Fall.Now, in order to support described focusing portion 300 securely, described first support sector can possess multiple guide rail 610,620 and with
Described focusing portion 300 connects.Thus, described focusing portion 300 is made to decline caused minimum vibration.
And then, for described focusing portion 300, as shown in (c) in Fig. 5, possess for adjusting described in lens barrel bottom
The chuck 320 of the focus of camera model, can form knobs 321 in the bottom of described chuck 320 so that it is size and setting
Groove at the barrel on described camera model top is the most untouchable identical.
Therefore, it is directed at if described focusing portion 300 faces each other with described camera model, then in order to regulate described camera
The focus of module and described focusing portion 300 declines, described focusing portion 300 can be according to by described vision portion 110 and laser portion 120
Layout and the height of the described barrel of detection are automatically adjusted decline degree so that described knobs 321 is positioned at and institute
State on the most contactless identical position of groove of barrel.
Now, described vision portion 110 and laser portion 120 can be directly connected to the left and right side in described focusing portion 300.
In addition to basic structure as described above, described in possess position detecting function camera model follow-on test and
Focus control is by changing camera model fixture 150,160 according to the kind of camera model or coming more according to test approaches
Change the focusing plate of focusing plate parts 400, such that it is able to the machine of various different camera models is performed different tests, therefore
Versatility is excellent.
But, by so changing the machine of camera model and changing focusing plate, it is possible to change be placed in camera mould
The optimum position of the light source that the test position of the camera model on block fixture 150,160 or concentration are provided by focusing plate.Thus need
Change position or the position of focusing plate parts 400 of described camera model fixture 150,160.
Therefore, first, as shown in Figure 6, the position changed in order to ensure changing along with the machine of described camera model, can
It is arranged on described camera model folder with the position adjustment portion 170,180 of the position by controlling described camera model fixture 150,160
Between tool 150,160 and described camera model department of assembly 800.
The position of the described barrel that described position adjustment portion 170,180 can detect according to described vision portion 110 is by institute
State camera model fixture 150,160 to transmit on X, Y coordinate, thus make camera model fixture move to front, rear, left and right.
Additionally, described position adjustment portion 170,180 is owing to being connected with described camera model department of assembly 800, thus can be along with described camera
The movement of module department of assembly 800 and move together with described camera model fixture 150,160.
Thus, described position adjustment portion 170,180 is in order to make described focusing portion 300 and image measurement portion 130,140 energy
Enough easily test camera model, can be by the position control of described camera model fixture 150,160 in optimum position, and according to energy
Its mode being directed at described focusing portion 300 or image measurement portion 130,140 is enough made to adjust position.
It addition, as it has been described above, when changing focusing plate, in order to make the light source of focusing plate focus on camera model, needed in the past
Adjusting the whole position of described base portion 900, the vibration thus caused causes the position deviation of camera model or fine setting to become
Difficulty, thus the frequency of generation test error is at a relatively high.Thus, reliability and the correctness of test declines.
To this end, as it is shown in fig. 7, according to embodiments of the invention, it is provided that for transmitting the focusing possessing described focusing plate
Another second support sector 500 of plate parts 400.
Described second support sector 500 is separately located in described base portion 900, supports described focusing plate parts 400, passes through guide rail
510,520 are connected with described focusing plate parts 400 such that it is able to guide the lifting of described focusing plate parts 400.Now, in order to
Guarantee the described focusing plate parts 400 fastness when connecting, it is also possible to be made up of multiple guide rails 510,520.
This can make when testing object and changing with correspondence position easily selected focusing plate parts 400, carries out mould if desired
Plate (templating), can be applied to rapidly various mensuration object.
Additionally, described second support sector 500 is provided with the guide rail 530,540 guiding its main body part to move to left and right,
A main body part can be moved to left and right.Along with the left and right movement of such second support sector 500 main body, result is institute
State focusing plate parts 400 can move to left and right simultaneously.
According to above-mentioned structure, focusing plate parts 400 can be carried to front, rear, left and right, corresponding focusing plate parts 400
Replacing and be arranged on optimum position, so that it is directed at described focusing portion 300 and camera model.
The above-mentioned camera model follow-on test possessing position detecting function and the structure of focus control can be wrapped further
Including ICU, it is responsible for driving the motor participating in driving in said device and controlling described focusing plate parts
LED light source needed for light source and input and output.As the example of described driving, can such as include: the first or second image is surveyed
Examination portion 130,140 is relative to the conveying of cylinder；First support sector 600 is relative to the lifting in focusing portion 300；Second support sector 500
Transmit relative to the front, rear, left and right of focusing plate parts 400；Position adjustment portion 170,180 relative to camera model fixture 150,
The front, rear, left and right of 160 are transmitted；And described focusing portion 300 is relative to the rotation etc. of chuck 320.
Now, the position of the described barrel that ICU can be detected according to described vision portion 110 and laser portion 120
Control described driving.
Below, according to said structure, based on Fig. 8, by Fig. 9 to Figure 11, describe in detail according to embodiments of the present invention
The camera model follow-on test possessing position detecting function and the job order of focus control.
First, the described first and second camera model fixtures 150,160 being assemblied in camera model department of assembly 800 can be by
Guide along described transmission rail 1000, make described first and second camera model fixtures 150,160 be directed at the most Face to face respectively
Individual described first or second image measurement portion 130,140, vision portion 110, focusing portion 300, laser portion 120.
Below, although be directed at the state in described first image measurement portion 130 as reality with described first camera Modular jig 150
Execute example subsequent process is described in detail, but described second image can also be directed at second camera Modular jig 160 and survey
Carry out under the state in examination portion 140, it is also possible to carry out when described camera model department of assembly 800 is positioned at optional position, knot
After bundle during initial start, described camera model department of assembly 800 can make described first or second camera Modular jig 150,160 right
In accurate described first or second image measurement portion 130,140 any one and start to test (S1).
First, when described first camera Modular jig 150 is directed at described first image measurement portion 130, use
Described camera model can be placed on the first camera Modular jig 150 being directed at described first image measurement portion 130 by person, and
Input is for testing the control signal of beginning.
Now, when camera model is positioned on described first camera Modular jig 150, perform OST simultaneously.Described
OST shows the open circuit/short circuit value of current module stitch, can test up to 32 stitch, and it can set according to camera model
Fixed.
Additionally, perform operating current test during camera model work.Described operating current test can test up to 8 lead to
Road (ch), this can also be set according to camera model.
If above-mentioned test terminates, the most described camera model department of assembly 800 can transmit described first camera Modular jig
150 and described second camera Modular jig 160, make described first camera Modular jig 150 be directed at described vision portion Face to face
110(S2)。
Now, as it is shown in figure 9, described vision portion 110 detects the layout of the barrel 710 that described camera model is possessed,
For example, it is possible to the cloth of the groove 711 possessed with described barrel 710 by the detection x at described barrel 710 center, y-coordinate
Angle setting degree identifies.
Thus, described focusing portion 300 can adjust position as follows: makes described folder by the angle identifying described groove 711
320 rotate so that the knobs 321 that described chuck 320 is possessed is coincide with described groove.It addition, with described first phase
The position adjustment portion 180 that machine Modular jig 150 connects can be carried out as follows adjustment: along described x, y-coordinate by described first phase
Machine Modular jig 150 transmits to front, rear, left and right so that the center of barrel 710 is consistent with the center of chuck 320.
Thus, it is possible to make the knobs 321 of described chuck 320 coincide with groove 711 precision of described barrel 710.
If completing said process, the most described camera model department of assembly 800 can transmit described first camera Modular jig
150, and make it be directed at described laser portion 120 (S3) Face to face.
Now, as illustrated in fig. 9, described laser portion 120 can detect the described barrel in focusing portion 300 and camera model
Interval h between 710, tests the height of described barrel 710, it is possible to determine the decline degree in described focusing portion 300.
Then, described camera model department of assembly 800 can transmit described first camera Modular jig 150, and makes described
One camera model fixture 150 is directed at (S4) with described focusing portion 300 with facing each other.
Then, described focusing portion 300 can be according to the height of the described barrel detected by described laser portion 120, edge
Described first support sector 600 guide rail decline so that the knobs 321 being arranged on described chuck 320 be arranged on institute
The groove 711 stating the barrel 710 on camera model coincide with contactless as shown in Fig. 9 (b), and performs to adjust with focus
Whole relevant test, and the position after declining can be kept until completing focus and adjusting and test.
Now, as shown in Figure 10, described focusing portion 300 can make described chuck 320 rotate to aobvious based on resolution test
Illustrating the position of optimum value, thus, described knobs 321 contacts with the groove 711 of barrel 710, makes barrel 710 revolve
Turn.Additionally, along with the rotation of described barrel 710, the lens being arranged on described camera model lift, to adjust focus.
Now, described resolution test is to demonstrate value after the focusing plate to described focusing plate parts 400 is digitized,
If regional meets set standard, by test.It addition, described resolution test determinating reference is by surrounding zone
The deviation value in territory and standard compare and reflect final judgement.Now, described focusing plate can be formed by TV artwork.
Additionally, in order to improve described resolution test precision, as it has been described above, described focusing plate parts 400 can be along setting
Put the guide rail in described second support sector 500 and the guide rail that is arranged in a part of described second support sector 500 rises
Drop and mobile, thus, described camera model can not only be made straight at one with focusing portion 300 and described focusing plate parts 400
It is correctly aligned on line, and the lifting of described focusing plate parts 400 can be regulated according to the specification of camera model, to eliminate picture angle
Difference.
On the other hand, during the focus in described focusing portion 300 adjusts, if the knobs 321 of described chuck 320
With groove 711 continuous contact of barrel 710, the most not only can produce vibration because of rotation, and add and (such as existed by external cause
The vibration etc. caused by inertia produced when the rotation of chuck 320 terminates rear) vibration that produces and cause described barrel 710 to revolve
Turn, therefore there is the problem that focus Adjustment precision declines.
Adjust and focus test is until meet standard further, since implement many secondary focal points, when adjusting focus every time,
In order to adjust focus, chuck can rotate, and thus produces vibration, thus at described knobs 321 and described barrel 710
Groove 711 contact in the case of directly pass on and the produced vibration of accumulation, make focus Adjustment precision decline.
Therefore, described focusing portion 300, in order to reduce the impact caused by vibration as described above, can perform such as Figure 11
As shown in job control.
I.e., as shown in fig. 11a, at knobs 321 and the groove of described barrel 710 of initial described chuck 320
711 by the most contactless identical in the way of the state arranged 1. under, if described focusing portion 300 makes chuck 320 rotate, the most such as
Shown in Figure 11 (b), groove 711 one side of described barrel 710 contacts with each other with knobs 321 one side and carries out rotating 2.,
Terminate if focus adjusts process, then, as shown in Figure 11 (c), described focusing portion 300 makes the knobs 321 of described chuck 320
It is restored to contactless state 1. such that it is able to not by the pressure caused by external cause with the groove 711 of barrel 710.Thus may be used
So that the precision of focus adjustment process is greatly improved.
On the other hand, if as it has been described above, first camera Modular jig 150 is directed at focusing portion 300, then from described first phase
The second camera Modular jig 160 that machine Modular jig 150 predetermined distance is arranged in described camera model department of assembly 800 is face-to-face
Ground is directed at described second image measurement portion 140, and adjusts and burnt performing the focus to described first camera Modular jig 150
During some test, another camera model can be replaced with and be placed on described second camera Modular jig 160
(S4).Now, if as it has been described above, new camera model is placed in described second camera Modular jig, then can also be to described
New camera model carries out described OST test.
Then, terminate if the focus of described first camera Modular jig 150 is adjusted and tests, then, and described camera mould
Block department of assembly 800 can be with described second camera mould in order to the focus of described second camera Modular jig 160 adjusts and tests
Transmission is performed centered by block fixture 160.
In other words, in order to perform to adjust by above-mentioned focus and for the purpose of test, to the layout of barrel and the inspection of height
Surveying, described camera model department of assembly 800 makes described second camera Modular jig 160 be directed at described laser portion 120 and vision successively
Portion 110.
Now, as it can be seen, compared with described vision portion 110, laser portion 120 is closer to described second camera Modular jig
160, first alignment laser portion 120 performs height detection (S5), is then aligned with described vision portion 110 and performs barrel
Arrange detection (S6), thus enable that transmitting range minimizes.Now, can according to the layout of the described barrel 710 detected,
Position adjustment portion 170 between described second camera Modular jig 160 and camera model department of assembly 800 is by described second phase
Machine Modular jig 160 transmits to front, rear, left and right so that the center of described chuck 320 is point-blank directed at barrel 710
Center, and can be according to the layout of barrel 710 constituting the camera model that be placed in described second camera Modular jig 160
Angle, makes described chuck rotate in advance so that the knobs 321 of described chuck 320 is non-with the groove of described barrel 710 to be connect
Touch coincide.
Then, described camera model department of assembly 800 can make described second camera Modular jig 160 be directed at described focusing portion
300, perform the focus identical with described first camera Modular jig 150 and adjust and test process (S7).
Now, if making described second camera Modular jig 160 be directed at focusing portion 300, the most described first camera module clip
The described first image measurement portion 130 of tool 150 alignment.Now, if described first image measurement portion 130 with described first camera
Before Modular jig 150 alignment, described camera model department of assembly 800 stretches described image measurement head 131 and aligned with it in advance,
The most described first image measurement portion 130 can perform above-mentioned image measurement, and now, described image measurement is and described second phase
The focus of machine Modular jig 160 adjusts and test process is carried out simultaneously.
That is, after described first image measurement portion 130 performs image measurement to described first camera Modular jig 150, described
Image measurement head 131 returns to origin-location, by new camera model dress after unloading the camera model after image measurement terminates
Being fitted on described first camera Modular jig 150, such image measurement and cargo handling process can be in focusing portion to described second
The focus of camera model fixture 150 adjusts and completes in test.
If it addition, the focus of described second camera Modular jig 160 adjusts and test process terminates, the most described camera mould
Block department of assembly 800 adjusts for focus and test starts to transmit, in institute again centered by described first camera Modular jig 150
When stating the focus adjustment of first camera Modular jig 150, described second camera Modular jig 160 is directed at described second Face to face
Image measurement portion 140, implements image measurement and the cargo handling process of the camera model of described second camera Modular jig 160, from
And follow-on test can be realized in camera model fixture different from each other.
So, according to the camera model follow-on test possessing position detecting function of the present invention and focus control to multiple that
This different each camera model is alternately performed the position detection of the barrel for the purpose of improving focus adjustment and measuring accuracy, and
And the focus performing described focusing portion in the case of any one camera model grip alignment focusing portion adjusts and while test,
Another camera model can be performed image measurement or the handling of camera model, and realize continuously testing, the most greatly
Width improves testing efficiency and measuring accuracy.
So, camera model follow-on test according to embodiments of the present invention and focus control according to testing procedure make first or
Second image measurement portion, focusing portion, vision portion, laser portion, position adjustment portion, focusing plate and the transmission of camera model department of assembly and
Drive automation, and move rapidly into correct position, automatically perform test, therefore can carry out more efficient and accurate
Test.
And then, described camera model follow-on test and focus control can utilize view bag (Viewpack-EX) measuring instrument
And measure the numerical value according to test, it is also possible to use in common PC.
Now, in a PC, in order to measure the test value of two camera models simultaneously, two vision bags are installed
(vision pack) makes them work simultaneously.If it addition, above-mentioned test carries out focus test and adjustment in side, then separately
Side perform OST, operating current test or image measurement, it is therefore preferred to, the test program being built in described PC according to
The mode that the test result of both sides is simultaneously displayed on monitor is set.
Described OST or operating current are tested and are: if grasped after disposing test object camera model in camera model fixture
Make personnel by start button, then drive sensor, be immediately performed test, therefore can shorten the testing time further.
Claims (10)
1. possess camera model follow-on test and the focus control of position detecting function, including:
Focusing plate parts, it provides light source and focusing plate；
Focusing portion, it utilizes described focusing plate to perform the focus to camera model and adjusts, and utilizes chuck to adjust described camera mould
The focal length of block；
First image measurement portion and the second image measurement portion, it is respectively arranged since described focusing portion separates predetermined distance to left and right
And be used for performing image measurement；
Camera model department of assembly, it will be for being mounted with first camera Modular jig and the second camera Modular jig of camera model
Separate described predetermined distance arrange and transmit to left and right；
Vision portion, the layout of its barrel to being possessed by the described camera model being placed in described camera model fixture is entered
Row detection；And
Laser portion, detects the height of described barrel,
It is characterized in that,
The layout of the described barrel possessed according to the camera model detected by described vision portion and laser portion and height,
The side coincideing with the groove of contactless state with described barrel according to the knobs on the chuck being arranged on described focusing portion
Formula, rotates and after the clip position in focusing portion described in lift adjustment, implements the focus by described focusing portion is carried out and adjusts, and
During any one in described first and second camera model fixtures is performed focus adjustment, to described first and second phases
Another in machine Modular jig performs image measurement,
Wherein, described camera model department of assembly moves repeatedly to left and right, repeatedly performs described image measurement or focus adjusts, from
And continuously perform the test of multiple camera model.
The camera model follow-on test possessing position detecting function the most according to claim 1 and focus control, its feature
Being, farther include position adjustment portion, it is used for the guide rail with regulation and links and passed to left and right camera model department of assembly
Send, according to the layout of the described barrel that described vision portion is detected, adjust camera model department of assembly forward and backward or left and right
Position.
The camera model follow-on test possessing position detecting function the most according to claim 2 and focus control, its feature
Being, described position adjustment portion adjusts camera model department of assembly according to the layout of the described barrel that described vision portion is detected
Position, make the first image measurement portion described in described first camera module or second camera module alignment, the second image measurement portion
Or focusing portion, to eliminate picture angular difference during test.
The camera model follow-on test possessing position detecting function the most according to claim 1 and focus control, its feature
Being, farther including first support sector with the guide rail guiding the lifting of described focusing portion, described first support sector makes focusing
Subordinate is down to the basic point after being directed at of described camera model and focusing portion, and make its after the test completing focusing portion on
Rise, during decline, according to the height of the barrel that described laser portion is detected so that it is drop to the round end that described chuck possessed and dash forward
Rise with the groove of described barrel with on contactless identical position.
The camera model follow-on test possessing position detecting function the most according to claim 4 and focus control, its feature
Being, described focusing portion makes described knobs and described mirror when regulating the focus of camera model according to the rotation of described chuck
The groove contact of head cylinder and guide the rotation of barrel, and make the recessed of described knobs and described barrel when testing focus
Groove is in contactless state again.
The camera model follow-on test possessing position detecting function the most according to claim 1 and focus control, its feature
Being, farther include the second support sector, its main body possesses the guide rail guiding the lifting of described focusing plate parts, and described main body
At least some of moved to left and right by guide rail.
The camera model follow-on test possessing position detecting function the most according to claim 6 and focus control, its feature
Being, described second support sector makes the described camera mould that described focusing plate parts are directed at by described vision portion and laser portion
Block and focusing portion alignment, to eliminate picture angular difference during test.
The camera model follow-on test possessing position detecting function the most according to claim 1 and focus control, its feature
Being, described first image measurement portion or the second image measurement portion automatically stretched built-in cylinder before the next one is tested,
Make image measurement head be directed at test object camera model, after test terminates, make cylinder shrink.
The camera model follow-on test possessing position detecting function the most according to claim 1 and focus control, its feature
It is,
Described focusing portion performs focus test automatically and focus adjusts operation,
After camera model is placed in described first camera Modular jig and second camera Modular jig, sensor is applied electric current
Time, perform OST or testing current.
The camera model follow-on test possessing position detecting function the most according to claim 1 and focus control, its feature
Being, described first image measurement portion or the second image measurement portion perform shadow testing, image smear test, stain test, look
At least one test in some test, fixed pattern noise test.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR10-2011-0091860 | 2011-09-09 | ||
| KR1020110091860A KR101263391B1 (en) | 2011-09-09 | 2011-09-09 | Apparatus for camera module continous test and focus adjustment having position detecting function |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102998892A CN102998892A (en) | 2013-03-27 |
| CN102998892B true CN102998892B (en) | 2016-08-17 |
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ID=47927644
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210328685.3A Expired - Fee Related CN102998892B (en) | 2011-09-09 | 2012-09-06 | Possess camera model follow-on test and the focus control of position detecting function |
Country Status (2)
| Country | Link |
|---|---|
| KR (1) | KR101263391B1 (en) |
| CN (1) | CN102998892B (en) |
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| CN103499870B (en) * | 2013-07-16 | 2015-09-30 | 宁波舜宇光电信息有限公司 | A kind of automatic focusing apparatus of high pixel module |
| KR101470423B1 (en) * | 2013-08-08 | 2014-12-12 | 주식회사 퓨런티어 | Testing apparatus for lens |
| KR101547108B1 (en) | 2013-09-30 | 2015-08-26 | (주)하이비젼시스템 | Method for aligning camera module materials and method for manufacturing camera module |
| KR101526320B1 (en) * | 2013-12-13 | 2015-06-10 | (주)이즈미디어 | Camera module testing apparatus |
| KR101573681B1 (en) | 2014-01-22 | 2015-12-02 | (주)하이비젼시스템 | Focus regulator and focus regulating method of camera module |
| KR101415942B1 (en) * | 2014-03-26 | 2014-07-04 | 팸텍주식회사 | Camera module inspection and focus adjusting device |
| CN105445897B (en) * | 2014-08-21 | 2017-12-19 | 百辰光电股份有限公司 | Automatic focusing test equipment and automatic focusing method of testing |
| CN104570384B (en) * | 2014-12-02 | 2017-01-11 | 爱彼思（苏州）自动化科技有限公司 | Process method integrating three functions of lens assembly, segment difference detection and gap detection |
| CN105242489B (en) * | 2015-09-24 | 2018-01-23 | 苏州富晶微精密电子科技有限公司 | A kind of automatic focusing device and method |
| CN105516708A (en) * | 2015-11-23 | 2016-04-20 | 深圳市东盈讯达电子有限公司 | Camera module multi-point parameter automatic detection device |
| WO2017103871A1 (en) * | 2015-12-17 | 2017-06-22 | Pirelli Tyre S.P.A. | Method and apparatus for calibrating optical tools of a tyre checking system |
| CN105573044B (en) * | 2015-12-25 | 2018-10-30 | 信利光电股份有限公司 | A kind of screw thread locks method for testing reliability |
| KR102085261B1 (en) * | 2016-01-04 | 2020-03-05 | 황영수 | Apparatus for Determining Position of Lens in Camera module |
| KR101923719B1 (en) | 2017-03-02 | 2018-11-29 | 주식회사 태루 | Visual inspection apparatus of blood vessels for biomedical |
| KR102076391B1 (en) * | 2017-04-27 | 2020-02-13 | (주)이즈미디어 | Position alignment device for camera module inspection apparatus |
| CN109089107B (en) * | 2017-06-14 | 2021-12-24 | 宁波舜宇光电信息有限公司 | Batch camera module testing equipment and testing system thereof |
| CN109254491B (en) * | 2017-07-13 | 2021-06-04 | 宁波舜宇光电信息有限公司 | Batch test equipment and method for camera modules |
| KR102058272B1 (en) | 2017-09-29 | 2020-01-22 | (주)이즈미디어 | Camera module testing device with pre-alining unit and method for preparing camera module test |
| CN107608174A (en) * | 2017-11-02 | 2018-01-19 | 宁波舜宇仪器有限公司 | Camera module test equipment |
| CN107741647A (en) * | 2017-11-23 | 2018-02-27 | 广东弘景光电科技股份有限公司 | Applied to the hoistable platform on camera module automatic focusing assembly equipment |
| CN107755998A (en) * | 2017-11-23 | 2018-03-06 | 广东弘景光电科技股份有限公司 | Applied to the clamping manipulator on camera module automatic focusing assembly equipment |
| CN108168433A (en) * | 2017-12-30 | 2018-06-15 | 广州番禺职业技术学院 | The part pose detection adjusting apparatus and method of a kind of view-based access control model |
| KR101859423B1 (en) * | 2018-01-02 | 2018-05-23 | (주)이즈미디어 | Aligning unit for dual camera module and aligning method using the same |
| KR102094962B1 (en) * | 2018-11-29 | 2020-03-30 | 주식회사 엠에스텍 | Method for High Accuracy Aligning Substrates and Substrate Attaching Apparatus Using the Same Method |
| CN112087621B (en) * | 2019-06-14 | 2022-07-05 | 宁波舜宇光电信息有限公司 | Lens detection apparatus and method |
| KR102039303B1 (en) * | 2019-07-17 | 2019-10-31 | 주식회사 리얼마이크로시스템 | Positioning apparatus of camera module |
| CN111754587B (en) * | 2020-06-28 | 2024-01-12 | 东华大学 | Zoom lens rapid calibration method based on single-focus focusing shooting image |
| KR102380940B1 (en) * | 2020-10-15 | 2022-03-31 | 주식회사 세인블루텍 | Camera module auto test socket |
| CN113820332A (en) * | 2021-09-06 | 2021-12-21 | 深圳格兰达智能装备股份有限公司 | Defect detection system |
| CN115113475A (en) * | 2022-05-23 | 2022-09-27 | 深圳市新四季信息技术有限公司 | Rotating adjusting equipment for focusing machine |
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Also Published As
| Publication number | Publication date |
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| KR20130028362A (en) | 2013-03-19 |
| KR101263391B1 (en) | 2013-05-24 |
| CN102998892A (en) | 2013-03-27 |
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