CN105807552B - A kind of AF apparatus for correcting of camera module, roll adjustment test macro and its method - Google Patents
A kind of AF apparatus for correcting of camera module, roll adjustment test macro and its method Download PDFInfo
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- CN105807552B CN105807552B CN201410841086.0A CN201410841086A CN105807552B CN 105807552 B CN105807552 B CN 105807552B CN 201410841086 A CN201410841086 A CN 201410841086A CN 105807552 B CN105807552 B CN 105807552B
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Abstract
A kind of apparatus for correcting of camera module, roll adjustment correction system and its method, the device include Test bench；Module support equipment, module support equipment are fixed on Test bench, to be used to be pivotally connected camera module, so that camera module keeps vertical operating position and horizontal access position；And roll adjustment correction system, roll adjustment correction system is installed on Test bench, towards module support equipment, to carry out multiple spot correction test for camera module, help to improve the consistency of camera module correction test, wherein, when the first mark version of roll adjustment correction system slides into nearly burnt position, camera module faces the first mark version directly and carries out nearly burnt correction test；When the second mark version of roll adjustment correction system slides into middle burnt position, camera module faces burnt correction test in the progress of the second mark version directly；When the second mark version slides into remote burnt position, camera module, indirectly towards the second mark version, carries out remote burnt correction test by an increment device of roll adjustment correction system.
Description
Technical field
The present invention relates to a kind of apparatus for correcting, specifically, being a kind of apparatus for correcting for camera module auto-focusing.
Background technique
In recent years, flourishing with mobile phone industry, cell-phone camera have gradually replaced the use of traditional camera, nothing
By be work and study or amusement play, take pictures image when, mobile phone is undoubtedly nearest selection.And with the intelligence of mobile phone
Change development, the photo and video that cell-phone camera obtains are able on Fast synchronization to network, are shared with other people, are greatly facilitated people's
Routine work and life.At the same time, people require the clarity of mobile phone photograph picture also higher and higher, are often choosing hand
When machine product, the horizontal important factor in order for becoming people's selection of camera shooting, if in similar comparison mobile phone, camera shooting it is clear
It is clear degree it is higher, for shutterbugs, undoubtedly can bonus point it is many.
Mobile phone camera module is developed so far, and competition is gradually white-hot, so that the pixel of camera module is continuously improved, from
It is horizontal to press on towards common digital camera for ten million pixel of past 300,000 pixel by now.When being shot with mobile phone, one good
It is far from being enough that camera module, which only leans on pixel height, it is also necessary to meet more and more vigorous shooting and experience demand, that is, pass through
Focusing means all shoot close shot and distant view clear, make whole clearly mobile phone camera module.300,000 pixels once are to 130
The mobile phone camera module of ten thousand pixels can not change camera lens focus using tight shot, take the personage's scene come usually mould
It pastes a piece of.1,300,000 later pixels to 2,000,000 pixels mobile phone camera module mostly using two sections of manual zoom camera lenses,
It is mainly used for close shot to take pictures.Present mobile phone camera module is typically all 5,000,000 pixels or more, using auto-focusing mirror
Head realizes auto-focusing (AF) function by motor mould group, wherein zoom is sent out by the position of camera lens, object and focus tripartite
Changing and generate, when imaging surface moves in the horizontal direction, the distance between lens module and sensitive chip will occur from
It is dynamic to change, to be able to automatic adjustment focal length, realizes that auto-focusing, the scenery of distant place become apparent from, there is kind of an object when taking pictures
The automatic progressive feeling of body.
The fast development of autofocus lens, so that raw manufacturer, which carries out AF correction to camera module, seems further important, such as
Fruit camera module take pictures application in auto-focusing have deviation, so that it may it is increased by AF apparatus for correcting compensating parameter come
It is adjusted.Currently, the AF correcting technology to come into operation is to place camera module and ground level, the position of dollying mould group
It sets and the mark version for investing horizontal plane is carried out to obtain corresponding compensating parameter to photographs to carry out AF correction, for example will mark in version
It is raised to the surface of camera module, light source irradiation mark version is opened, camera module is mounted on test fixture, mark version is parallel to,
In horizontal positioned state, is taken pictures, read to mark version, obtain compensating parameter.And during actual take pictures, people are usual
Mobile phone is vertically to ground to shoot, this style of shooting is more than the number that horizontal style of shooting is used, if AF is corrected
Technology obtains compensating parameter using horizontal shooting, will in actual use needed for compensating parameter deviate, reduce instead
The accuracy of camera module automatic focusing function.Meanwhile in actual vertical direction shooting process, motor mould group is because of itself weight
Power effect can generate certain sinking, with working condition when rectification also can different from, these factors can all influence water
Flat obtained compensating parameter of correcting deviates real use state.
In the test of horizontal AF correction, on the one hand, due to being that mobile test tooling generates certain focal length to mark version progress
It takes pictures, the camera module being mounted in test fixture, which will receive, to be shaken and the variation of generation technique index, and the benefit of AF correction is influenced
Repay parameter accuracy.On the other hand, in test, camera module often only a little samples a mark version in distance to a declared goal, does not have
Have and carry out comprehensive sampling analysis, deviation is had to correction compensating parameter, shooting adjusted may be clear to distant view, and close shot is not
It clearly happens, the photo shot in some distances is caused to be obscured, be unable to reach whole clearly effect.If
The shooting that different mark versions carries out different location is replaced, adjustment camera module can not only cause internal vibration, operate also more numerous
It is trivial.
Summary of the invention
The main purpose of the present invention is to provide a kind of AF apparatus for correcting of camera module, roll adjustment test macro and its sides
Method, wherein camera module is able to be shot vertically, effectively simulation practical application, and gained AF correction compensating parameter more meets and makes
With state, the accuracy of camera module automatic focusing function is greatly improved.
Another object of the present invention is to provide a kind of AF apparatus for correcting of camera module, roll adjustment test macro and its sides
Method haves no need to change the position of camera module, camera module is prevented to be shaken and generation technique index when moving
Variation, improve mould group AF correct accuracy.
Another object of the present invention is to provide a kind of AF apparatus for correcting of camera module, roll adjustment test macro and its sides
Method uses multiple spot to correct mode, it is close, in, remote different location carry out correction test, improve the consistency of product.
Another object of the present invention is to provide a kind of AF apparatus for correcting of camera module, roll adjustment test macro and its sides
Method comprising a module support equipment is able to support camera module and keeps a working condition and a pick-and-place state, makes equipment more
Add hommization, facilitates lens module loading or unloading operation.
Another object of the present invention is to provide a kind of AF apparatus for correcting of camera module, roll adjustment test macro and its sides
Method comprising a roll adjustment correction system is able to guarantee to carry out a variety of AF for marking version positions under the premise of camera module position is constant
Correction makes the AF of mould group correct more accurateization, and mould group is effectively prevent to influence AF correction because of vibration.
Another object of the present invention is to provide a kind of AF apparatus for correcting of camera module, roll adjustment test macro and its sides
Method, wherein roll adjustment correction system is able to adjust accordingly with the testing requirement of different mould groups, and expand apparatus for correcting uses model
It encloses.
Another object of the present invention is to provide a kind of AF apparatus for correcting of camera module, roll adjustment test macro and its sides
Method, wherein the first mark version of roll adjustment correction system is replaced using extraction form, so that can when carrying out AF correction to different mould groups
Quick-replaceable first marks version.
Another object of the present invention is to provide a kind of AF apparatus for correcting of camera module, roll adjustment test macro and its sides
Method, wherein the second mark version of roll adjustment correction system is able to be moved with test position needed for different mould groups, increases roll adjustment and rectifys
The versatility of positive system.
Another object of the present invention is to provide a kind of AF apparatus for correcting of camera module, roll adjustment test macro and its sides
Method, wherein the increment device of roll adjustment correction system uses composite structure in design, is able to logical according to different mould groups progress multiple groups
With installation.
Another object of the present invention is to provide a kind of AF apparatus for correcting of camera module, roll adjustment test macro and its sides
Method a comprising light supply apparatus has more uniforms source of light, and each light-source brightness is able to do corresponding tune according to test light as requested
Section and corresponding different mark version, thus, meet the product of different characteristics.
Another object of the present invention is to provide a kind of AF apparatus for correcting of camera module, roll adjustment test macro and its sides
Method, wherein it is consistent that light supply apparatus is maintained brightness in test, realizes that same light source is corresponding different by way of software compensation
The correction of position is tested, and does not need to effectively prevent light source variation to make employee to cater to different tests and frequently dark bright light source
At visual fatigue.
Another object of the present invention is to provide a kind of AF apparatus for correcting of camera module, roll adjustment test macro and its sides
Method, wherein the connection of camera module and test fixture effectively avoids connecing using contact pin by way of connector cooperates pinboard
The poor contacts such as stitch curving caused by touch, sagging, dirt.
Another object of the present invention is to provide a kind of AF apparatus for correcting of camera module, roll adjustment test macro and its sides
Method is controlled by software, so that equipment operation is simple and convenient, high degree of automation.
To which in order to realize above-mentioned purpose, a kind of AF apparatus for correcting of camera module is used to test camera shooting mould
The auto-focusing of group comprising a correction rack, the correction rack include a Test bench；One module support equipment, it is described
Module support equipment is fixed on the Test bench, to be used to be pivotally connected camera module, so that camera module keeps a working condition
And one pick and place state, when in running order, the module support equipment be in a vertical position, when in pick-and-place state
When, the module support equipment is in a horizontal position；And a roll adjustment correction system, the roll adjustment correction system are installed on institute
Test bench is stated, helps to improve camera shooting towards the module support equipment to carry out multiple spot correction test for camera module
The consistency of mould group correction test.
Wherein, the roll adjustment correction system includes one first debugging apparatus, and first debugging apparatus is adjacent to the mould group
Support equipment is maintained a nearly coke-like state, with the nearly burnt correction test for camera module；One second debugging apparatus, it is described
Second debugging apparatus is slidably mounted on the Test bench, is maintained coke-like in one relative to the module support equipment
State, with the middle burnt correction test for camera module；And an increment device, the increment device are set to the module support and set
Between standby and described second debugging apparatus, adjusted by the relative position of the increment device and second debugging apparatus,
It is maintained a remote coke-like state, with the remote burnt correction test for camera module.
Wherein, the correction rack further comprises a monitoring system, for controlling and showing that equipment tests information；With
And an outer frame of the Test bench and the monitoring system is supported, there is a test cabinet in the outer frame, is installed
The module support equipment and the roll adjustment correction system.
Wherein, the camera module apparatus for correcting further comprises multiple transmission devices, and the transmission device is installed respectively
In the module support equipment and the roll adjustment correction system, it is controlled the rotation of the module support equipment and described
The roll adjustment of roll adjustment correction system operates.
Wherein, the camera module apparatus for correcting further comprises a light supply apparatus, and the light supply apparatus is installed on described
In test cabinet, to be tested for providing light source in the correction of the roll adjustment correction system.
Wherein, first debugging apparatus includes one first debugging frame, and first debugging frame is horizontally installed in the survey
It tries on pedestal, the neighbouring module support equipment；And one first mark version, the first mark version are slidably mounted on described the
It on one debugging frame, is operated by roll adjustment, is able to slide into a nearly burnt position, so that first debugging apparatus is in the nearly coke
State.
Wherein, first debugging frame slides laterally frame including one, and the frame that slides laterally is horizontally installed in described first
Debugging frame is able to be slid laterally by the transmission device, wherein the first mark version and increment device compartment of terrain
Frame two sides are slid laterally described in being installed on, are able to be slid laterally with the frame that slides laterally.
Wherein, first debugging frame further comprises a longitudinal sliding motion frame, and the longitudinal sliding motion frame is laterally slided from described
Moving frame extends back, with for vertically moving the first mark version, adjusting camera module and described first marks the distance between version,
To meet the required nearly burnt position of the nearly burnt test of different camera modules.
Wherein, what the increment device was selected is an at least teleconverter, to be used to assist remote burnt correction test, by using
Composite structure is able to carry out the general installation of multiple groups according to different mould groups.
Wherein, second debugging apparatus includes one second debugging frame, and second debugging frame is symmetrically from described first
Debugging frame two sides extend forward；And one second mark version, it is described second mark version slidably engages second debugging frame, be able to
Keep the second mark version mobile to camera module, reaches burnt position and a remote burnt position in preset one, be suitable for camera module
Burnt correction test is tested with remote burnt correction in progress.
Wherein, the light supply apparatus includes a first light source, the first light source integral type or separates body and is set to described the
One mark version back side, for providing light source in the first mark version；And a second light source, the second light source integral type or point
Body formula is set to the back side of the second mark version, for providing light source in the second mark version.
Wherein, the first light source and the first mark version are integral types, so that the first light source and first mark
Version synchronizing moving, the second light source and it is described second mark version be it is split type, not with it is described second mark version move.
Wherein, the test fixture further comprises a pinboard and a sealing groove part, and the pinboard is connected by socket
Earthing mode is installed on the test fixture, and with a connector for connecting camera module, the sealing groove part adjoins described turn
Fishplate bar is rotatably installed on the test fixture, for fixing camera module in the test fixture.
A kind of AF correction test method of camera module, including step：
(a) camera module to be measured is placed on a test fixture；
(b) start the test fixture and a roll adjustment correction system is in a working condition, when the test fixture is in
When the working condition, the test fixture turns to a vertical position, towards the roll adjustment correction system, passes through the roll adjustment
Correction system adjusts homologue away to carry out multiple spot AF correction test；And
(c) test fixture is turned to from the working condition by a pick-and-place state by a transmission device, be able to
Take out the camera module after test in one horizontal position.
Wherein, the step (b) further comprises step：
(b.1) test fixture is turned to from the horizontal position by vertical position by the transmission device, with
It is tested in carrying out AF correction vertically；
(b.2) one first mark version of the roll adjustment correction system is slided to a nearly burnt position, for camera module is straight
First mark version described in face, the nearly coke AF suitable for camera module are corrected；
(b.3) one second mark version of the roll adjustment correction system is slided to burnt position in one, meanwhile, it will by lateral sliding
The first mark version deviates camera module, the middle coke AF to face the second mark version directly for camera module, suitable for camera module
Correction；And
(b.4) the increment device for sliding the roll adjustment correction system is marked between version and camera module to described second, together
When, slide the second mark version to a remote burnt position, with for camera module through the increment device indirectly towards described the
Two mark versions, the remote coke AF suitable for camera module are corrected.
Wherein, the step (b) further comprises step (b.5)：The test work is automatically controlled by a monitoring system
The rotation of dress is operated with the roll adjustment of the roll adjustment correction system, compensating test light source, meanwhile, the monitoring system system is able to pair
The AF correction test of camera module carries out data record and display.
Detailed description of the invention
Fig. 1 is perspective view according to a preferred embodiment of the invention.
Fig. 2 is the correction rack perspective view of above preferred embodiment according to the present invention.
Fig. 3 is the local perspective view of above preferred embodiment according to the present invention.
Fig. 4 A is the perspective view (picking and placing state) of the module support equipment of above preferred embodiment according to the present invention.
Fig. 4 B is the perspective view (working condition) of the module support equipment of above preferred embodiment according to the present invention.
Fig. 5 is the local perspective view of the roll adjustment correction system of above preferred embodiment according to the present invention.
Fig. 6 is the partial side view of the roll adjustment correction system of above preferred embodiment according to the present invention.
Fig. 7 A is the nearly burnt correction test schematic diagram of above preferred embodiment according to the present invention.
Fig. 7 B is the middle burnt correction test schematic diagram of above preferred embodiment according to the present invention.
Fig. 7 C is the remote burnt correction test schematic diagram of above preferred embodiment according to the present invention.
Specific embodiment
Claim according to the present invention and specification disclosure of that, technical solution of the present invention literary institute specific as follows
It states.
A kind of AF apparatus for correcting of camera module as described in Figure 1 is wrapped for testing the auto-focusing of camera module A
A correction rack 10 is included, the correction rack 10 includes a Test bench 11；One module support equipment 20, the module support are set
Standby 20 are fixed on the Test bench 11, with for being pivotally connected camera module A so that camera module A keep a working condition and
One picks and places state, and when in running order, the module support equipment 20 is in a vertical position, when in pick-and-place state
When, the module support equipment 20 is in a horizontal position；And a roll adjustment correction system 30, the roll adjustment correction system 30 are pacified
Loaded on the Test bench 11, towards the module support equipment 20, to carry out multiple spot correction test for camera module A.From
And camera module A is able to be shot vertically, effectively simulation practical application, gained AF correction compensating parameter more meet using shape
The accuracy of camera module A automatic focusing function is greatly improved in state.
The roll adjustment correction system 30 includes one first debugging apparatus 31, and first debugging apparatus 31 is adjacent to the mould group
Support equipment 20 is maintained a nearly coke-like state, with the nearly burnt correction test for camera module A；One second debugging apparatus 32,
Second debugging apparatus 32 is slidably mounted on the Test bench 11, is able to relative to the module support equipment 20
Coke-like state in one is kept, with the middle burnt correction test for camera module A；And an increment device 33, the increment device 33
Between the module support equipment 20 and second debugging apparatus 32, pass through the increment device 33 and described second
The adjustment of 32 relative position of debugging apparatus is maintained a remote coke-like state, with the remote burnt correction test for camera module A.
It is shown in Fig. 2 be correction rack 10 further comprise a monitoring system 12, with for control and show equipment test
Information；One outer frame 13, to be used to support the Test bench 11 and the monitoring system 12；And a station 14, institute
It states station 14 to extend outwardly from the Test bench 11, with the relevant operation for AF correction test, is able to adjust control institute
State module support equipment 20 and the roll adjustment correction system 30.
The outer frame 13 includes three restocking side doors 131, two undercarriage side doors 132 and four castors 133, the restocking side door
131 upwardly extend from the edge of the Test bench 11 respectively, are able to form a test cabinet, and the module support equipment 20 is set
Rear side in the installation room, the roll adjustment correction system 30 is installed on the inside of the test cabinet, wherein the test cabinet is
Semi-closed structure is able to for camera module A to be installed to the module support equipment 20 by an open surface of the test cabinet
In.Wherein, the restocking side door 131 can be opened and closed to select metal plate material to be made double set on the top half of the outer frame 13
Side door is opened, is able to carry out open or close, while to be used to facilitate supervision equipment operating status, avoids the interference of ambient light,
Since the testing of alignment of camera module A will receive the influence of exposure rate, need to guarantee the consistency of light source when correcting and testing, outside
Boundary's light source may will affect image-capturing resolution, lead to test result deviation.Wherein the undercarriage side door 132 is from the two of the pedestal
Side extends downwardly, and is installed on the lower half of the additional frame, with for protecting electrical module and cabling inside equipment, under described
What frame side door 132 was selected is made of iron plate side door.Wherein, four castor 133 is respectively arranged in the quadrangle of the outer frame 13,
It is contacted with ground, is able to support the correction rack 10, facilitates the mobile and fixed correction rack 10.
The monitoring system 12 includes a display 121 and a keyboard, and the display 121 can be adjustably mounted to institute
The upside for stating outer frame 13 is fixed by a universal head, is adapted to conform with the operating habit of user so that equipment debugging and
User replaces position according to different habits, and it is more humanized to facilitate the camera module A apparatus for correcting.Wherein, described aobvious
Show that device 121 is computer display screen, be electrically connected to a host computer, display dependence test information is able to by the control of the keyboard
And operation dependence test instruction.Wherein, there is a keyboard support 122 on the inner wall of the undercarriage side door 132, the keyboard is able to
It is placed on the keyboard support 122, is convenient for operating.
The station 14 has an operation interface and at least a storage room 141, and the operation interface is obtained to make for equipment
User carries out relevant operation, automatically controls the working condition of dependence test element and device.The storage room 141 is formed in described
The two sides of station 14 greatly facilitate employee's with the camera module A for storing camera module A to be measured and being completed
Operation improves working efficiency.
As shown in Fig. 3 the close beta system of camera module apparatus for correcting, the camera module apparatus for correcting is into one
Step includes multiple transmission devices 40, and the transmission device 40 is respectively arranged in the module support equipment 20 and the roll adjustment is rectified
Positive system 30 is controlled the rotation of the module support equipment 20 and the operation of the roll adjustment correction system 30；And one
Light supply apparatus 50, the light supply apparatus 50 are installed in the test cabinet, are obtained to provide mostly for the roll adjustment correction system 30
Even light source corresponds to different AF correction tests suitable for doing corresponding adjusting according to test light as requested, thus, meet different spies
The camera module A and progress multiple spot AF testing requirement of point.
Wherein, the transmission device 40 includes a motor 41 and is connected to a synchronous belt 43 of the motor 41, described
Motor 41 is able to that the synchronous belt 43 is driven to carry out rotational positioning operation, and what the motor 41 selected is stepper motor 41, is helped
In reducing cost while guaranteeing positioning accuracy.
The module support equipment 20 is set to the rear side of the Test bench 11 comprising a test fixture 21 and installation
One support frame 22 of the test fixture 21, the test fixture 21 are articulated in support frame as described above 22, by being driven described in one group
Device 40 is able to rotate to the vertical position or horizontal position, and the test fixture 21 for connecting camera module A to carry out
Shooting and monitoring by the monitoring system 12, facilitate camera module A and realize vertical shooting, effective mould in AF test
Quasi- actual photographed state, meanwhile, in multi-point sampler, the position of camera module A is had no need to change, prevents camera module A from surveying
Influence is shaken when examination.Wherein, the motor 41 is installed on the lower section of support frame as described above 22, passes through a pair of of synchronizing wheel 42, institute
It states synchronous belt 43 to be able to drive the test fixture 21 being articulated between the synchronizing wheel 42, is allowed to be rotated.In other words,
The motor 41 drives the synchronizing wheel 42 for being in same shaft with the test fixture 21 to rotate by synchronous belt 43, described in handle
When test fixture 21 turns to horizontal position, the test fixture 21 is in pick-and-place state, is able to camera module A from test
It is removed or placed into tooling 21, when the test fixture 21 is turned to vertical position, the test fixture 21 is in work
State is able to carry out AF correction test, keep equipment more humanized, side camera module A in face of the roll adjustment correction system 30
Just loading or unloading operation.Wherein, the module support equipment 20 further comprises an origin switch, and the original electric switch 23 adjoins described
Synchronizing wheel 42, to facilitate 21 fine rotational of test fixture to the vertical position for determining the initial point of motor 41
It sets, carries out AF correction test, to avoid measurement error, as shown in Figure 4 A.
The test fixture 21 further comprises a pinboard 211 and a sealing groove part 212, and the pinboard 211 passes through
Socket connects earthing mode and is installed on the test fixture 21, and the sealing groove part 212 adjoins the pinboard 211, meanwhile, the envelope
Slotware 212 is rotatably installed on the test fixture 21, wherein the test fixture 21 is equipped with a mounting groove 213, is formed in
Between the pinboard 211 and the sealing groove part 212, that is to say, that the mounting groove 213 is from the pinboard 211 to described
Sealing groove part 212 extends, with for placing camera module A, a connector A1 at the rear portion the camera module A is placed in
Mounting groove 213 on the pinboard 211, the lens module A2 in the front the camera module A are able to be placed in the sealing groove
Mounting groove 213 under part 212, the sealing groove part 212 can be opened and closed to be installed on the mounting groove 213, be maintained an opening
The sealing groove part 212 is opened up when camera module A is in pick-and-place state, is at institute by position or a closed position
Open position is stated, camera module A enters in the mounting groove 213 of front, and the connector A1 of the camera module A cooperates the switching
The connection of plate 211, camera module A and the test fixture 21 is by way of the connector A1 cooperates pinboard 211, effectively
Avoid the poor contacts such as stitch curving caused by using contact pin contact, sagging, dirt.When camera module A is in running order
When, the sealing groove part 212 is closed downwards, the closed position is in, so that lens module is stably installed at the test work
It fills in 21 mounting groove 213.Wherein, the sealing groove part 212 is able to be a gland or a rotatable handle member, is able to pass through hand
Dynamic or automatic form seals camera module A in the mounting groove 213 of the test fixture 21, and mould group is effectively prevent to warp,
As shown in Figure 4 B.
In other words, the mounting groove 213 has a connector mounting groove 213 and a lens module mounting groove 213, described
Connector mounting groove 213 is located at the pinboard 211, for installing the connected connector A1 of lens module, the camera lens mould
Group mounting groove 213 is set in the test fixture 21, to be used to install lens module A2, when camera module A is installed on the peace
When in tankage 213, it is able to be attached operation to the camera module A in test fixture 21 by connector A1.
It is noted that the test fixture 21 has a pair of of adjustment portion in the direction XY, obtain so that the test fixture
21 carry out XY Level tune, facilitate the stability of camera module A and meet the product of different structure.
Shown in fig. 5 is the first debugging apparatus 31 and the increment device 33 in the roll adjustment correction system 30, described
One debugging apparatus 31 includes one first debugging frame 311, and first debugging frame 311 is horizontally installed on the Test bench 11,
Compartment of terrain is laterally extended forward from the module support equipment 20, the neighbouring module support equipment 20；One first mark version 312 with
And one first mark plate rack 313 of installation the first mark version 312, described first marks plate rack 313 from first debugging frame 311
Side upwardly extends, so that the first mark version 312 is towards the module support equipment 20.Wherein, the increment device 33 is pacified
There are a spacing distance, the spacing distance between the other side loaded on first debugging frame 311, with the first mark version 312
Burnt test in progress is passed through suitable for camera module A.
First debugging frame 311 slides laterally frame 3111 including one, and the frame 3111 that slides laterally is horizontally installed in institute
The first debugging frame 311 is stated, by the connection of transmission device 40 described in one first fastener 314 and one group, is obtained so that the cross
Lateral movement is carried out along first debugging frame 311 to sliding rack 3111, between the first mark version 312 and increment device 33
It is upwardly extended every ground from the both ends for sliding laterally frame 3111.Wherein, the transmission belt of the transmission device 40 is set to described the
The lower section of one debugging frame 311, first fastener 314 connect it is described slide laterally frame 3111 and synchronous belt 43, obtain so that institute
It states and slides laterally frame 3111 with 43 transverse shifting of synchronous belt, for adjusting the first mark version 312 and increment device
33 position is convenient for multifocal correction test.
First debugging frame 311 further comprises a longitudinal sliding motion frame 3112, and the longitudinal sliding motion frame 3112 is from described
It slides laterally frame 3111 to extend back, slides laterally frame vertically to camera module extension, with described for vertically moving from described
First mark version 312 adjusts the distance between camera module A and the first mark version 312, close with the camera module A for meeting different
Nearly burnt position needed for coke test.
Described first marks the small volume of version 312, when carrying out nearly burnt test, marks version 312 to camera shooting by described first
The distance of module A is adjusted, and is obtained so that camera module A is when shooting the first mark version 312, described first marks version 312
Just it is full of picture.Wherein, the first mark version 312 has a jag, protrudes outward, passes through from the first mark plate rack 313
The jag obtains so that the first mark version 312 of the roll adjustment correction system 30 is replaced using extraction form, so that right
Different camera module A carry out Ke Kuaisugenghuan first mark version 312 when AF correction, improve working efficiency.
It is noted that the selection of increment device 33 is an at least teleconverter, the teleconverter, which has, increases coke
Away from function, assist remote coke AF correction to test, the teleconverter uses composite structure in design, be able to according to different mould groups into
The general installation of row multiple groups.When carrying out remote coke AF and testing, the teleconverter is by being mounted on the biography of first debugging frame 311
Dynamic device 40 moves laterally to the front of camera module A, carries out AF correction.
Shown in fig. 6 is the second debugging apparatus 32 in the roll adjustment correction system 30, and second debugging apparatus 32 wraps
One second debugging frame 321 is included, second debugging frame 321 symmetrically extends forward from 311 two sides of the first debugging frame；One
Second mark plate rack 323 of two mark versions 322 and installation the second mark version 322, the second mark version 322 slidably engage institute
State the second debugging frame 321, obtain so that the second mark version 322 is mobile to camera module A, reach in preset one burnt position and
One remote burnt position, coke AF correction and remote coke AF correction in fixed position carries out convenient for camera module A, suitable for camera module A into
Burnt correction test is tested with remote burnt correction in row.
Wherein, second debugging frame 321 is including pair of sliding guide post 3211 and relative to the sliding guide column 3211
Pair of sliding guide rail 3212, the slide rail 3212 is symmetrically fixed on the two sides of the Test bench 11, the sliding
Guide post 3211 is fixed on the top of the test cabinet by an outer framework, corresponding with the slide rail 3212 of lower section, institute
The second mark version 322 is stated to be vertically mounted between the sliding guide column 3211 and the slide rail 3212.In other words, described
Lateral distance between second debugging frame 321 is consistent with the second mark length of version 322, the sliding guide column 3211 and institute
State the height that the difference in height between slide rail 3212 corresponds to the second mark version 322.The longitudinal direction of second debugging frame 321
Distance moves freely distance for the second mark version 322.Wherein, a transmission device 40 is installed on the slide rail
On Test bench 11 between 3212, the motor 41 is fixed on the front side of the Test bench 11, and the synchronous belt 43 is from institute
Motor 41 is stated to extend to the module support equipment 20, by one second fastener 324, connect the second mark plate rack 323 with
The synchronous belt 43, so that the second mark plate rack 323 is displaced with the movement of the synchronous belt 43, with described for adjusting
Second mark the distance between version 322 and camera module A, carries out multifocal AF correction.That is, to enable test fixture 21
Carried out in relative static conditions homologue away from detection correction so that it is biggish second mark version 322 moved freely, with
Demand of the different mould groups to different object distances detection correction is adapted to, the versatility of roll adjustment correction system 30 is increased.
In other words, the roll adjustment correction system 30 includes the Test bench 11；First mark version 312, first mark
Version 312 is slidably connected to the Test bench 11, is able to slide into the nearly burnt position, so that camera module A faces institute directly
It states the first mark version 312 and carries out nearly burnt correction test；Second mark version 322, the second mark version 322 is relative to the first mark version
312, it is slidably connected to the Test bench 11, is able to slide into the middle burnt position and the remote burnt position, works as institute
When stating the second mark version 322 and sliding into the middle burnt position, the first mark version 312 deviates camera module A, obtains so that camera module
A faces burnt correction test in the second mark progress of version 322 directly；And increment device 33, the laterally aligned institute of the increment device 33
The first mark version 312 is stated, is able to the 312 one sliding of the first mark version, when the second mark version 322 slides into the remote burnt position
When setting, the increment device 33 is slided between the mark version 322 of camera module A and second, so that camera module A passes through the increment
Device 33 towards the second mark version 322, carries out remote burnt correction test indirectly.
The light supply apparatus 50 includes a first light source 51, and the first light source 51 is installed on the first mark version 312 and carries on the back
Side, for providing light source in the first mark version 312；And a second light source 52, the second light source 52 are installed on described
Second mark 322 back side of version, for providing light source in the second mark version 322.When the first mark version 312 is sliding from the longitudinal direction
When moving frame 3112 is mobile to camera module A, the first light source 51 is moved.
The first light source 51 is able to integral type with the first mark version 312 and connect or split installation, and described first
Light source 51 is able to move together or fixed with the first mark version 312, the second light source 52 and second mark
Version 322 is able to integral type connection or split installation, and the first light source 51 is able to move together with the second mark version 322
It is dynamic or fixed.Wherein, in the present invention, 51 integral type of first light source is set to the first mark 312 back side of version,
It being moved with the movement of the first mark version 312, the second light source 52 is split type to be set to the second mark 322 back side of version,
It is held in fixed position, it is not mobile with the second mark version 322.
Wherein, the second light source 52 is installed on 321 front side of the second debugging frame, from the slide rail 3212
Extend straight up, set on the back of the second mark version 322, when the second mark version 322 by the synchronous belt 43 to taking the photograph
When mobile as module A, the second light source 52 is remained stationary, and the first light source 51 is obtained with second light source 52 as described first
It marks version 312 and the second mark version 322 provides much variable uniform source of light.Wherein, the light supply apparatus 50 further comprises multiple light
Electric switch 53,53 compartment of terrain of optoelectronic switch are installed on first debugging frame 311, for controlling the light supply apparatus 50
Brightness, each light-source brightness can be done according to test light as requested it is corresponding adjust and corresponding different mark version, thus, meet
Different characteristics product.
Wherein, it is consistent to be maintained brightness in test for the light supply apparatus 50, is realized by way of software compensation same
Light source corresponds to the correction test of different location, does not need to cater to different tests and frequently dark bright light source or mobile light source position
It sets, light source is effectively prevent to change the visual fatigue caused by employee.In other words, the light supply apparatus 50 is complete in AF correction test
Journey is kept open, and when carrying out nearly burnt, middle coke, remote coke-like state, the first light source 51 is with second light source 52 all in institute
Opening state is stated, when the second mark version 322 is moved according to testing requirement, the second light source 52 is maintained at initial bit
It sets, it is fixed.With the change of the second mark version 322 and 52 position of second light source, described in the transmission of second light source 52
The brightness of second mark version 322 changes, but by way of software compensation, makes the middle burnt and remote coke of the second mark version 322
Test is not influenced by light source distance.Due to it is described first mark version 312 area it is smaller, easily adjust it is described first mark version 312 with
First light source 51, and the area of the second mark version 322 is larger, is not easy the second mark version 322 and second light source described in synchronizing moving
52, the second light source 52 is motionless to be advantageous in that, it is underway it is burnt with it is remote it is burnt test when, the second light source 52 do not need with
The second mark version 322 it is mobile, reduce the position control to the second light source 52, while also not needing continually dark light
Source.
As Fig. 7 A, 7B, 7C be respectively shown in be camera module A nearly coke AF correction test, middle coke AF correction test and
Remote coke AF correction test.When camera module A, which is corrected, to be tested, the light supply apparatus 50 is opened, meanwhile, camera module A is from level
Position turns to vertical position.
When the camera module carries out nearly coke AF correction test, the first mark version 312 slides laterally frame by described
3111 are moved laterally to the front of the test fixture 21, and camera module A is directly facing the first mark version 312, and described the
One light source 51 provides light source in the first mark version 312, by the first mark version 312 in the longitudinal sliding motion frame 3112
It is moved forward and backward, is able to adjust the first mark version 312 and reaches preset nearly burnt position, carry out nearly coke AF correction and tests, pass through institute
It states monitoring system 12 and carries out data record and display, wherein the second mark version 322 is located at its initial position, adjoins described the
Two light sources 52.
When coke AF correction test in camera module A progress, the vertical position of camera module A is remained unchanged, and described second
Version 322 is marked from the initial position with the control of the transmission device 40, is moved to preset middle burnt position, deviates described the
Two light sources 52 and close to the camera module A where the test fixture 21, meanwhile, the first mark version 312 and increment device 33
As the synchronous belt 43 that is connected is displaced sideways, until camera module A pass through the first mark version 312 and increment device 33 it
Between interval, face the second mark version 322 directly, it is burnt in the second mark version 322, progress that the second light source 52 provides light source
AF correction test, passes through 12 compensation data of monitoring system, recording and displaying.
When camera module A carries out remote coke AF correction, camera module A's remains unchanged vertically, the second mark version 322
It is moved to preset remote burnt position from the middle burnt position, deviates camera module A, meanwhile, the increment device 33 is with synchronization
The front for being moved laterally to camera module A with 43, the second light source 52 provide light source in the second mark version 322, camera shooting
Module A, indirectly towards the second mark version 322, is carried out remote coke AF correction test, passes through the prison by the increment device 33
12 compensation data of control system, recording and displaying.In other words, multiple spot is used to correct mode, it is close, in, remote different location into
Row correction test, improves the consistency of product, meanwhile, it is able to guarantee to carry out a variety of marks under the premise of camera module location A is constant
The AF correction of version position, makes the AF of mould group correct more accurateization, and mould group is effectively prevent to influence AF correction because of vibration.The prison
Control system 12 is controlled by the software of independent research, and the roll adjustment correction system 30 is able to the testing requirement with different mould groups
It adjusts accordingly, expands the use scope of apparatus for correcting, so that equipment operation is simple and convenient, high degree of automation.
In other words, when the first mark version 312 of the roll adjustment correction system 30 slides into the nearly burnt position, mould is imaged
Group A faces the first mark version 312 directly and carries out nearly burnt correction test；When the second mark version 322 of roll adjustment correction system 30 slides into described
When burnt position, camera module A faces burnt correction test in the progress of the second mark version 322 directly；When the second mark version 322 slides into the remote coke
When position, camera module A, indirectly towards the second mark version 322, is carried out remote coke and rectified by the increment device 33 of roll adjustment correction system 30
Positive test.
A kind of AF correction test method of camera module, including step：
(a) camera module A to be measured is placed on a test fixture 21；
(b) start the test fixture 21 and a roll adjustment correction system 30 is in a working condition, when the test fixture
21 when being in the working condition, and the test fixture 21 turns to a vertical position, towards the roll adjustment correction system 30, leads to
The homologue of the adjustment of roll adjustment correction system 30 is crossed away to carry out multiple spot AF correction test；And
(c) test fixture 21 is turned to from the working condition by a pick-and-place state by a transmission device 40, obtained
With the camera module A after test is taken out in a horizontal position.
Wherein, the step (b) further comprises step：
(b.1) test fixture 21 is turned to from the horizontal position by vertical position by the transmission device 40,
For carrying out AF correction test vertically；
(b.2) the nearly burnt position of one first mark version 312 to one for sliding the roll adjustment correction system 30, for mould will to be imaged
Group A faces the first mark version 312 directly, and the nearly coke AF suitable for camera module A is corrected；
(b.3) burnt position in one second mark version 322 to one of the roll adjustment correction system 30 is slided, meanwhile, by lateral
The first mark version 312 is deviateed camera module A by sliding, to face the second mark version 322 directly for camera module A, suitable for taking the photograph
As the middle coke AF of module A is corrected；And
(b.4) the increment device 33 for sliding the roll adjustment correction system 30 marks version 322 and camera module to described second
Between A, meanwhile, the remote burnt position of the second mark version 322 to one is slided, to penetrate the increment device 33 for camera module A
Indirectly towards the second mark version 322, the remote coke AF suitable for camera module A is corrected.
Wherein, the step (b) further comprises step (b.5)：The test is automatically controlled by a monitoring system 12
The rotation of tooling 21 is operated with the roll adjustment of the roll adjustment correction system 30, compensating test light source, meanwhile, the monitoring system 12
It is able to carry out data record and display to the AF correction test of camera module A.
Above content is enumerating for specific embodiments of the present invention, for the equipment and structure of wherein not detailed description, is answered
When being interpreted as that the existing common apparatus in this field and universal method is taken to be practiced.
The above embodiment of the present invention is only to illustrate that technical solution of the present invention is used simultaneously, only the column of technical solution of the present invention
It lifts, the technical solution and its protection scope being not intended to restrict the invention.Using equivalent technologies mean, equivalent apparatus etc. to this hair
The improvement of technical solution disclosed in bright claims and specification is considered to be without departing from claims of the present invention
And range disclosed in specification.
Claims (22)
1. the AF apparatus for correcting of a kind of camera module, for testing the auto-focusing of camera module, which is characterized in that including：
One correction rack, the correction rack include a Test bench；
One module support equipment, the module support equipment are fixed on the Test bench, to be used to be pivotally connected camera module, so that
Camera module keeps a working condition and a pick-and-place state, and when in running order, the module support equipment is in one
Vertical position, when being in pick-and-place state, the module support equipment is in a horizontal position；And
One roll adjustment correction system, the roll adjustment correction system are installed on the Test bench, towards the module support equipment, with
Multiple spot correction test is carried out for camera module, helps to improve the consistency of camera module correction test.
2. the AF apparatus for correcting of camera module as described in claim 1, the roll adjustment correction system includes one first debugging dress
It sets, first debugging apparatus is maintained a nearly coke-like state, for the close of camera module adjacent to the module support equipment
Coke correction test；One second debugging apparatus, second debugging apparatus is slidably mounted on the Test bench, relative to institute
It states module support equipment and is maintained coke-like state in one, with the middle burnt correction test for camera module；And an increment device,
The increment device is set between the module support equipment and second debugging apparatus, passes through the increment device and institute
The relative position adjustment for stating the second debugging apparatus, is maintained a remote coke-like state, with the remote burnt correction test for camera module.
3. the AF apparatus for correcting of camera module as claimed in claim 2, the correction rack further comprises a monitoring system,
For controlling and showing that equipment tests information；And an outer frame of the Test bench and the monitoring system is supported,
There is a test cabinet in the outer frame, is able to that the module support equipment and the roll adjustment correction system are installed.
4. the AF apparatus for correcting of camera module as claimed in claim 3, the apparatus for correcting of the camera module further comprise
Multiple transmission devices, the transmission device are respectively arranged in the module support equipment and the roll adjustment correction system, are able to
Control the rotation of the module support equipment and the roll adjustment operation of the roll adjustment correction system.
5. the AF apparatus for correcting of camera module as claimed in claim 4, the apparatus for correcting of the camera module further comprise
One light supply apparatus, the light supply apparatus are installed in the test cabinet, for providing light source in the roll adjustment correction system
Correction test.
6. the AF apparatus for correcting of camera module as claimed in claim 5, first debugging apparatus includes one first debugging frame,
First debugging frame is horizontally installed on the Test bench, the neighbouring module support equipment；And one first mark version, institute
It states the first mark version to be slidably mounted on first debugging frame, be operated by roll adjustment, be able to slide into a nearly burnt position, make
It obtains first debugging apparatus and is in the nearly coke-like state.
7. the AF apparatus for correcting of camera module as claimed in claim 6, first debugging frame slides laterally frame including one, institute
It states and slides laterally frame and be horizontally installed in first debugging frame, be able to be slid laterally by the transmission device, wherein institute
State the first mark version and increment device compartment of terrain be installed on it is described slide laterally frame two sides, be able to it is described slide laterally frame into
Row slides laterally.
8. the AF apparatus for correcting of camera module as claimed in claim 7, first debugging frame further comprises one longitudinal sliding
Moving frame, the longitudinal sliding motion frame slide laterally frame vertically to camera module extension, for vertically moving described first from described
Version is marked, the distance between camera module and the first mark version are adjusted, to meet needed for the nearly burnt test of different camera modules
Nearly coke position.
9. the AF apparatus for correcting of camera module as claimed in claim 8, what the increment device was selected is an at least teleconverter,
For assisting remote burnt correction test to be able to carry out the general peace of multiple groups according to different camera modules by using composite structure
Dress.
10. the AF apparatus for correcting of camera module as claimed in claim 9, second debugging apparatus includes one second debugging
Frame, second debugging frame symmetrically extend forward from first debugging frame two sides；And one second mark version, it is described second mark
Version slidably engages second debugging frame, obtains so that the second mark version is mobile to camera module, in arrival preset one
Burnt position and a remote burnt position are suitable for burnt correction test in camera module progress and test with far burnt correction.
11. the AF apparatus for correcting of camera module as claimed in claim 10, the light supply apparatus includes a first light source, described
First light source is installed on the first mark version back side, for providing light source in the first mark version；And a second light source, institute
The back side that second light source is installed on the second mark version is stated, for providing light source in the second mark version.
12. the AF apparatus for correcting of camera module as claimed in claim 11, wherein the module support equipment includes a test
Tooling, the test fixture further comprise a pinboard and a sealing groove part, and the pinboard connects earthing mode by socket
It is installed on the test fixture, with a connector for connecting camera module, the sealing groove part adjoins the pinboard, can turn
It is installed on the test fixture dynamicly, for fixing camera module in the test fixture.
13. a kind of roll adjustment correction system, the AF for pick-up lens corrects test, which is characterized in that the roll adjustment correction system
It is used for the AF apparatus for correcting of a camera module, wherein the apparatus for correcting includes a correction rack, a module support equipment and institute
State roll adjustment correction system, wherein the straightening machine frame includes a Test bench, wherein the module support equipment be fixed on it is described
Test bench, to be used to be pivotally connected camera module, so that camera module keeps a working condition and a pick-and-place state, when in work
When making state, the module support equipment is in a vertical position, and when being in pick-and-place state, the module support equipment is in
One horizontal position, wherein the roll adjustment correction system includes：
One Test bench；
One first mark version, the first mark version are slidably connected to the Test bench, are able to slide into a nearly burnt position, make
Camera module faces the first mark version directly and carries out nearly burnt correction test；
One second mark version, the second mark version are slidably connected to the Test bench, are able to relative to the first mark version
Slide into burnt position and a remote burnt position in one, when the second mark version slides into the middle burnt position, first mark
Version deviates camera module, obtains so that camera module faces burnt correction test in the second mark version progress directly；And
One increment device, increment device lateral alignment the first mark version are able to integrally slide with the first mark version, when
When the second mark version slides into the remote burnt position, the increment device is slided between camera module and the second mark version, is made
Camera module is obtained by the increment device indirectly towards the second mark version, remote coke is carried out and corrects test.
14. roll adjustment correction system as claimed in claim 13 further comprises one first debugging frame, first debugging frame
It is horizontally installed on the Test bench, for installing the first mark version and increment device, wherein first debugging frame
Slide laterally frame including one, the first mark version and increment device compartment of terrain be installed on it is described slide laterally frame two sides, be able to
The frame that slides laterally is slid laterally.
15. roll adjustment correction system as claimed in claim 14, first debugging frame further comprises a longitudinal sliding motion frame, institute
It states longitudinal sliding motion frame and slides laterally frame vertically to camera module extension, to carry out front and back longitudinal direction for the first mark version from described
It is mobile, the distance between camera module and the first mark version are adjusted, to meet needed for the nearly burnt test of different camera modules
Nearly coke position.
16. roll adjustment correction system as claimed in claim 15 further comprises one second debugging frame, second debugging frame
Symmetrically extend forward from first debugging frame two sides, obtains so that the second mark version is reached to camera module longitudinal movement
The preset middle burnt position and the remote burnt position are suitable for burnt correction test in camera module progress and survey with far burnt correction
Examination.
17. the roll adjustment correction system as described in claim 13 or 16, the roll adjustment correction system further comprises multiple transmissions
Device, the transmission device is separately connected the first mark version and the second mark version, for automatically controlling the first mark version
With the longitudinal register of the located lateral of increment device and the second mark version.
18. roll adjustment correction system as claimed in claim 17, the roll adjustment correction system further comprises a light supply apparatus, institute
State light supply apparatus include a first light source, the first light source integral type or it is split type be set to it is described first mark version back side, with
Version is marked in described first in providing light source；And a second light source, the second light source integral type or split type it is set to described the
The back side of two mark versions, for providing light source in the second mark version.
19. roll adjustment correction system as claimed in claim 18, the first light source and the first mark version are integral types, so that
The first light source is with the first mark version synchronizing moving, and the second light source is split type with the second mark version, so that institute
It is not mobile with the second mark version to state second light source.
20. a kind of AF of camera module corrects test method, which is characterized in that including step：
(a) camera module to be measured is placed on a test fixture；
(b) start the test fixture and a roll adjustment correction system is in a working condition, when the test fixture is in described
When working condition, the test fixture turns to a vertical position, towards the roll adjustment correction system, is corrected by the roll adjustment
System call interception homologue is away to carry out multiple spot AF correction test；And
(c) test fixture is turned to from the working condition by a pick-and-place state by a transmission device, be able in a water
Prosposition sets the camera module after taking out test.
21. the AF of camera module as claimed in claim 20 corrects test method, the step (b) further comprises step：
(b.1) test fixture is turned to from the horizontal position by vertical position by the transmission device, for erecting
Straight row AF correction test；
(b.2) one first mark version of the roll adjustment correction system is slided to a nearly burnt position, for facing camera module directly institute
The first mark version is stated, the nearly coke AF suitable for camera module is corrected；
(b.3) one second mark version of the roll adjustment correction system is slided to burnt position in one, meanwhile, it will be described by lateral sliding
First mark version deviates camera module, and to face the second mark version directly for camera module, the middle coke AF suitable for camera module is corrected；
And
(b.4) the increment device for sliding the roll adjustment correction system is marked between version and camera module to described second, meanwhile, it is sliding
The second mark version is moved to a remote burnt position, to penetrate the increment device indirectly towards second mark for camera module
Version, the remote coke AF suitable for camera module are corrected.
22. the AF of camera module as claimed in claim 21 corrects test method, the step (b) further comprises step
(b.5)：The rotation and the roll adjustment operation of the roll adjustment correction system that the test fixture is automatically controlled by a monitoring system, are mended
Testing light source is repaid, meanwhile, the monitoring system system is able to carry out data record and display to the AF correction test of camera module.
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| CN201410841086.0A CN105807552B (en) | 2014-12-30 | 2014-12-30 | A kind of AF apparatus for correcting of camera module, roll adjustment test macro and its method |
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| 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 |
| CN109425475A (en) * | 2017-08-22 | 2019-03-05 | 宁波舜宇光电信息有限公司 | Camera module test equipment, system and method |
| CN108040248A (en) * | 2017-09-25 | 2018-05-15 | 捷开通讯(深圳)有限公司 | A kind of shooting performance detection apparatus of mobile terminal |
| CN107764522A (en) * | 2017-11-24 | 2018-03-06 | 中山依瓦塔光学有限公司 | Mobile phone simulation shooting is as quality detection instrument |
| CN107703713A (en) * | 2017-11-24 | 2018-02-16 | 中山依瓦塔光学有限公司 | Applied to the changeover module on mobile phone lens shooting detecting instrument |
| CN110636285A (en) * | 2019-10-30 | 2019-12-31 | 高新兴科技集团股份有限公司 | Measuring method for fully automatically acquiring focusing curved surface of camera |
| CN112985770B (en) * | 2019-12-17 | 2024-04-16 | 宁波舜宇光电信息有限公司 | Module detecting equipment |
| CN114157857A (en) * | 2021-11-01 | 2022-03-08 | 信利光电股份有限公司 | Camera module qualification detection method based on full depth of field |
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