CN107702695A - Camera module group lens and the method for testing of imaging sensor relative position - Google Patents
Camera module group lens and the method for testing of imaging sensor relative position Download PDFInfo
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- CN107702695A CN107702695A CN201710882986.3A CN201710882986A CN107702695A CN 107702695 A CN107702695 A CN 107702695A CN 201710882986 A CN201710882986 A CN 201710882986A CN 107702695 A CN107702695 A CN 107702695A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C9/00—Measuring inclination, e.g. by clinometers, by levels
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- 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
Abstract
A kind of camera module group lens and the method for testing of imaging sensor relative position, 1) under blank test environment, camera module sample camera lens is be arranged in parallel with clear focussing distance with blank；2) imaging sensor and shooting image are adjusted in the range of predetermined angle, obtains image corresponding to multiple different relative inclinations；3) two brightness values are chosen and the difference at every image brightness center in two brightness values is calculated using two-value method, obtain the corresponding relation between multigroup relative inclination and brightness central difference；4) under blank test environment, camera module to be tested is with the clear focussing distance shooting image same with step 1, the difference at brightness center when calculating described two threshold values by the method for step 3, according to the data in corresponding relation, camera module group lens to be tested and imaging sensor relative inclination can be obtained, and the relative displacement further obtained.This method can be completed directly in blank test station, improve testing efficiency, save testing cost.
Description
Technical field
The present invention relates to a kind of camera module, specifically, it is relative with imaging sensor to be related to a kind of camera module group lens
The method of testing of position.
Background technology
Camera module refers to the optical module that including at least camera lens, imaging sensor, can complete camera function.Camera lens and
Imaging sensor has relative position relation, including relative dip angle and relative displacement.Wherein, relative dip angle refers to
The angle of plane and plane where imaging sensor where the camera lens of camera module.Relative displacement refers to the camera lens of camera module
Center and the offset of image sensor center position.Camera module has been widely used in the equipment such as mobile phone, VR, this
A little equipment have certain requirement to module group lens and imaging sensor relative dip angle and relative displacement, in production process
It need to be tested.Current method of testing needs to use specific chart, is separately provided a station and is surveyed to complete this
Examination.Its method of testing is cumbersome, and testing efficiency is relatively low.
The content of the invention
The present invention provides one kind and camera module group lens and imaging sensor relative tilt and relative is tested under blank environment
The method of skew, compared with current method of testing, this method need not change station, directly can be completed in blank test station,
Testing efficiency is improved, saves testing cost.
A kind of camera module group lens and the method for testing of imaging sensor relative position, including camera module group lens and image
The method of testing of sensor relative inclination, including：1) camera module sample is chosen from same batch camera module to be tested, will
Camera module sample is placed under blank test environment, makes the camera lens of camera module sample parallel with blank with clear focussing distance
Set, 2) with the imaging sensor of default variable quantity adjustment camera module sample, pass the image of the camera module sample
The relative inclination of the camera lens of sensor and camera module sample shoots a figure after each adjustment in default angular range
Picture, obtain image corresponding to multiple different relative inclinations；3) two brightness values are chosen as two first thresholds, utilize two-value
Method calculates the difference at every image brightness center in two first thresholds respectively, so as to obtain in multigroup relative inclination and brightness
Corresponding relation group between heart difference；4) under blank test environment, with camera module sample with a batch of one or more
Camera module to be tested calculates described two the with the clear focussing distance shooting image same with step 1, by the method for step 3
The difference at brightness center during one threshold value, according to the data in the corresponding relation group, can obtain the camera lens of camera module to be tested with
The relative inclination of the imaging sensor of camera module to be tested.
Preferably, the method for testing of camera module group lens and imaging sensor relative displacement is included, including：5) to step
The image shot in rapid 4, choose Second Threshold and the coordinate at the brightness center of image is calculated according to Second Threshold, and combine and treat
The coordinate of the image sensor center of camera module is tested, obtains brightness of image center and the image sensing of camera module to be tested
The first distance between device center, Jiao according to the camera lens of camera module to be tested to the imaging sensor of camera module to be tested
Away from, and the relative inclination acquisition brightness of image of the camera lens of camera module to be tested and the imaging sensor of camera module to be tested
Between the subpoint of center and the optical center of camera module to be tested on the imaging sensor of camera module to be tested
The difference of two distances, the first distance and second distance is image of the camera lens with camera module to be tested of camera module to be tested
The relative displacement of sensor.
Preferably, in image sensor plane, using by image sensor center and orthogonal reference axis is x-axis
And y-axis, in above-mentioned steps 3, using two-value method calculate respectively every image in two first thresholds brightness center in x-axis side
Upward difference, so as to obtain the corresponding relation group between multigroup y-axis direction relative inclination and x-axis direction brightness central difference；
In above-mentioned steps 4, by step 3 method calculate described two threshold values when brightness center x-axis direction difference, according to described
Data in corresponding relation group, the camera lens of camera module to be tested and the imaging sensor of camera module to be tested can be obtained in y-axis
The relative inclination in direction.
Preferably, the method for testing of camera module group lens and the relative displacement on imaging sensor x-axis direction is included,
Including：5) to the image shot in step 4, choose Second Threshold and the brightness center of image is calculated in x according to Second Threshold
Coordinate on axle, and coordinate of the image sensor center of camera module to be tested in x-axis is combined, obtain brightness of image center
The first distance between the image sensor center of camera module to be tested in x-axis, according to the mirror of camera module to be tested
The focal length of the imaging sensor of camera module to be tested, and the camera lens of camera module to be tested and shooting to be tested are arrived in head center
The imaging sensor of module obtains brightness of image center and the optical center of camera module to be tested in y-axis direction relative inclination and existed
Second distance between subpoint on the imaging sensor of camera module to be tested in x-axis, the first distance and second distance
Difference be camera module group lens center to be tested with the image sensor center of camera module to be tested in the direction of the x axis
Relative displacement.
Preferably, in above-mentioned steps 3, every image is calculated respectively in two first thresholds in brightness using two-value method
The step of heart difference in the direction of the x axis, includes：Brightness value is more than to the pixel of two first thresholds respectively using two-value method
255 are arranged to, the pixel that brightness value is less than to two first thresholds is arranged to 0, is the horizontal seat of 255 pixel by brightness value
Mark phase adduction average, so as to respectively obtain every image in two first thresholds brightness center x-axis coordinate, and will
Two obtained coordinates subtract each other the difference as brightness center in the direction of the x axis.
Preferably, the imaging sensor of camera module sample is adjusted using six axial adjustment instrument, changes camera module sample
The angle of inclination of imaging sensor and the camera lens of camera module sample.
Preferably, the camera lens and camera module sample of camera module sample are adjusted with default variable quantity between -5 ° to 5 °
Angle between this imaging sensor.
Preferably, the default variable quantity is that each amplitude of variation is no more than 0.2 °.
Preferably, in steps of 5, choose image maximum brightness value 90~95% are used as Second Threshold, calculate image
Brightness centre coordinate.
Preferably, the second distance is the tangent value of relative inclination and the product of focal length.
Brief description of the drawings
By the way that embodiment is described with reference to accompanying drawings below, features described above of the invention and technological merit will become
More understand and be readily appreciated that.
Fig. 1 is the general principle figure one for representing the embodiment of the present invention；
Fig. 2 is the general principle figure two for representing the embodiment of the present invention；
Fig. 3 is the general principle figure three for representing the embodiment of the present invention；
Fig. 4 is the general principle figure four for representing the embodiment of the present invention；
Fig. 5 is imaging sensor of the camera lens with camera module sample for the camera module sample for representing the embodiment of the present invention
Location diagram；
Fig. 6 is image sensing of the camera lens with camera module to be tested for the camera module to be tested for representing the embodiment of the present invention
The location diagram one of device；
Fig. 7 is image sensing of the camera lens with camera module to be tested for the camera module to be tested for representing the embodiment of the present invention
The location diagram two of device.
Embodiment
The survey of camera module group lens of the present invention and imaging sensor relative position described below with reference to the accompanying drawings
The embodiment of method for testing.One of ordinary skill in the art will recognize, in feelings without departing from the spirit and scope of the present invention
Under condition, described embodiment can be modified with a variety of modes or its combination.Therefore, accompanying drawing and description are at this
It is illustrative in matter, is not intended to limit the scope of the claims.In addition, in this manual, accompanying drawing do not press than
Example is drawn, and identical reference represents identical part.
General principle of the invention is briefly described first.An image is shot under blank test environment, calculates figure
The brightness value of each pixel, the equal pixel of brightness is connected as in.As shown in Figure 1 and Figure 2, when flat where camera lens A
When face is parallel with the plane where imaging sensor B, its isopleth of brightness is that (isopleth of brightness refers on an image one group of concentric circles
The equal curve of brightness value).One group of threshold value is selected, carrying out binary conversion treatment to image calculates brightness of image center.The two of image
Value is handled, and the gray value of the pixel on image exactly is arranged into 0 or 255, that is, whole image is showed substantially
Only black and white visual effect.Threshold value is chosen between 0 to 255.Brightness center should be same corresponding to each threshold value
Point, i.e., the common center of circle of each isopleth of brightness.
When plane where the imaging sensor B in camera module and not parallel plane where camera lens A, passed equivalent to image
Sensor B have rotated certain angle around the shaft from parastate, and its rotating shaft is the orthogonal coordinate in imaging sensor B planes
Axle.Such as imaging sensor is rectangle, then by imaging sensor B center, image taking sensor B long side direction is x
Axle, the short side direction of image taking sensor is y-axis.Imaging sensor in Fig. 1 is rotated to an angle around x-axis or y-axis, camera lens
Plane where A and plane where imaging sensor B are no longer parallel.As shown in Figure 3, Figure 4, imaging sensor B is around the y-axis anglec of rotation
Degree, the arrangement of the isopleth of brightness of formation is no longer concentric circles.One group of threshold value is equally also selected, binary conversion treatment is carried out to image,
Brightness of image center is calculated, brightness center corresponding to each threshold value is no longer same point, but the different points in x-axis,
In Fig. 4, P100, P150, P200 are the brightness center tried to achieve when threshold value is 100,150,200 respectively.Camera lens A and image sensing
Relative dip angle is bigger between device B, and the deviation between each central point is bigger.
The present invention is exactly to calculate camera lens and imaging sensor using brightness center difference corresponding to different threshold values
Relative position, i.e. relative dip angle and relative displacement illustrate the present embodiment with reference to Fig. 5 to Fig. 7.In this implementation
In example, with y-axis direction relative tilt angle TiltyWith x-axis direction relative displacement ShiftxComputational methods exemplified by illustrate,
X-axis direction relative tilt angle Tilt can also similarly be calculatedxWith y-axis direction relative displacement Shifty.The relative of y-axis direction is inclined
Rake angle TiltyIt is that imaging sensor causes camera lens place plane and imaging sensor place plane not parallel around y-axis rotation, two
The angle that individual interplanar occurs, the angle of the two planes is equal to the angle of two plane normals, as marked in Fig. 3
Tilty.The method of testing is specifically described below.
1) camera module sample is chosen, camera module sample is placed under blank test environment, makes camera module sample
Camera lens A1 where plane where plane and blank C it is parallel, the camera lens A1 to blank C of camera module sample distance is that its is clear
Focussing distance, the clear focussing distance are to refer to the focussing distance that shooting understands image.Camera module sample is from the same as a collection of
Chosen in secondary camera module to be tested, the camera lens A1 of camera module sample and the camera lens A2 of camera module to be tested focal length phase
Together.Camera module sample described above refers to unencapsulated, and the imaging sensor B1 of camera module sample is can to rotate regulation
's.And camera module to be tested hereinafter is encapsulation process, the imaging sensor B2 of camera module to be tested and treat
The camera lens A2 position relationships of test camera module have been fixed, it is impossible to which regulation changes, and the present invention seeks to test between them
Whether position relationship is up to standard.
2) imaging sensor B1 is adjusted with default variable quantity, i.e., imaging sensor B1 is rotated around y-axis, make image sensing
Device B1 and the camera lens A1 of camera module sample relative dip angle Tilty1In default angular range, and adjusting every time
An image is shot afterwards, obtains the image of multiple corresponding different angles.The present embodiment shoots 50 images.
3) every image is handled using two-value method, asks for brightness center corresponding to two first thresholds in x-axis side
Upward difference.The present embodiment choose 100 and 200, calculate respectively every image in two first thresholds brightness center in x-axis
Difference on direction, so as to obtain multigroup relative inclination Tilty1With the corresponding relation between x-axis direction brightness central difference.It is first
First calculate brightness center of the image in threshold value 100：Pixel brightness of the brightness value more than 100 is arranged to 255, brightness value is small
Pixel brightness in 100 is set to 0, and the image coordinate P of corresponding brightness center in x-axis in threshold value 100 is calculated100_X。
The image coordinate P of corresponding brightness center in x-axis in threshold value 200 is obtained with same method200_X。P100_X-P200_XAs scheme
The difference of brightness center in the direction of the x axis as corresponding in threshold value 100 and 200.50 relative inclinations can be obtained by calculating
Tilty1With the corresponding relation group between x-axis direction brightness central difference, by this group of data storage in database, it is easy at any time
Call the data.
4) batch testing is carried out, under blank test environment, camera module to be tested is placed on to the tune same with step 1
Defocus distance shooting image, i.e., the camera lens A2 of camera module to be tested is to the distance of blank and the camera lens A1 of camera module sample in vain
The distance of plate is identical.Difference of the brightness center in x-axis direction of two first thresholds 100 and 200 is equally calculated, according to multigroup phase
To inclination angle Tilty1With the corresponding relation between x-axis direction brightness central difference, you can obtain the camera lens of the camera module to be tested
A2 and camera module to be tested imaging sensor B2 relative dip angles Tilty2.By that analogy.
In one alternate embodiment, passed according to the image of the camera lens A2 of camera module to be tested and camera module to be tested
The camera lens A2 of camera module to be tested center and camera module to be tested can also be calculated in sensor B2 relative dip angles
Imaging sensor B2 center relative displacement in the direction of the x axis, including：Step
5) to the image shot in step 4, the brightness center O that Second Threshold calculates image is chosen1Coordinate in x-axis
O1X, and combine imaging sensor B2 center O2The coordinate O in x-axis2X, obtain in brightness of image center and imaging sensor B2
The first distance O between the heart1XO2X。
According to the camera lens A2 of camera module to be tested center O4Distance to imaging sensor B2 is focal length f, Yi Jiqing
Angle Tilty2Obtain brightness of image center O1With the camera lens A2 of camera module to be tested center O4Throwing on imaging sensor B2
Shadow point O3Between second distance O1XO3X, i.e.,
O1XO3X=f*tan (Tilty2)
The difference of two distances is phases of the camera lens A2 of camera module to be tested with imaging sensor B2 in the direction of the x axis
To offset Shiftx.Calculation formula is：
Shiftx=O2XO3X=O1XO2X-O1XO3X。
Wherein, ShiftxIt is probably on the occasion of, it is also possible to negative value, as shown in fig. 7, imaging sensor B2 center O2It is located at
Brightness of image center O1With the camera lens A2 of camera module to be tested center O4Subpoint O on imaging sensor B23Between
When, ShiftxFor negative value.
In one alternate embodiment, it can use the imaging sensor B1's of six axial adjustment instrument adjustment camera module sample
Angle of inclination.
In one alternate embodiment, shooting mould is gradually adjusted with default variable quantity in -5 ° to 5 ° of angular range
Angle between the camera lens A1 and imaging sensor B1 of group sample.
In one alternate embodiment, default variable quantity is no more than 0.2 ° for change every time.Variable quantity is smaller, and it is calculated
Precision is more accurate.
In one alternate embodiment, in steps of 5, choose default threshold value be choose image maximum brightness value 90~
95% is used as threshold value, calculates the brightness center O of image1X-axis coordinate O1X。
In one alternate embodiment, in step 3, the abscissa for the pixel that all brightness values are 255 is added, and
It is averaged, so as to obtain the image coordinate value of corresponding brightness center in x-axis in selected threshold value.The corresponding He of threshold value 100
Threshold value 200, obtain the image coordinate P of corresponding brightness center in x-axis in threshold value 100100_X, figure can be obtained with same method
As coordinate P of the corresponding brightness center in x-axis in threshold value 200200_X。
The present invention chooses sample from same batch camera module, under blank test environment, obtains multiple bats of sample
Image is taken the photograph, and multiple shooting images are handled using two-value method, is obtained using brightness center difference corresponding to different threshold values
The relative dip angle of the imaging sensor of camera lens originally and sample is sampled, is obtained between relative inclination and brightness central difference
Corresponding relation group, it is relative with the imaging sensor of camera module to be tested so as to obtain the camera lens of camera module to be tested
Angle of inclination, and further obtain its relative displacement.Compared with conventional test methodologies, this method need not change station, can be straight
It is connected on blank test station to complete, improves testing efficiency, save testing cost.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention, for those skilled in the art
For member, the present invention can have various modifications and variations.Any modification within the spirit and principles of the invention, being made,
Equivalent substitution, improvement etc., should be included in the scope of the protection.
Claims (10)
1. a kind of camera module group lens and the method for testing of imaging sensor relative position, it is characterised in that including camera module
The method of testing of camera lens and imaging sensor relative inclination, including：
1) camera module sample is chosen from same batch camera module to be tested, camera module sample is placed on blank test
Under environment, the camera lens of camera module sample is set to be arranged in parallel with clear focussing distance with blank,
2) imaging sensor of camera module sample is adjusted with default variable quantity, makes the image sensing of the camera module sample
The relative inclination of the camera lens of device and camera module sample shoots a figure after each adjustment in default angular range
Picture, obtain image corresponding to multiple different relative inclinations；
3) two brightness values are chosen as two first thresholds, every image is calculated respectively in two first thresholds using two-value method
The difference at Shi Liangdu centers, so as to obtain the corresponding relation group between multigroup relative inclination and brightness central difference；
4) under blank test environment, with camera module sample with a batch of one or more camera module to be tested with and step
Rapid 1 same clear focussing distance shooting image, the difference at brightness center when calculating described two first thresholds by the method for step 3
Value, according to the data in the corresponding relation group, can obtain the camera lens of camera module to be tested and the image of camera module to be tested
The relative inclination of sensor.
2. camera module group lens according to claim 1 and the method for testing of imaging sensor relative position, its feature exist
In, include the method for testing of camera module group lens and imaging sensor relative displacement, including：
5) to the image shot in step 4, choose Second Threshold and the seat at the brightness center of image is calculated according to Second Threshold
Mark, and the coordinate of the image sensor center of camera module to be tested is combined, obtain brightness of image center and shooting mould to be tested
The first distance between the image sensor center of group,
Focal length according to the camera lens of camera module to be tested to the imaging sensor of camera module to be tested, and shooting to be tested
The relative inclination of the camera lens of module and the imaging sensor of camera module to be tested obtains brightness of image center and shooting to be tested
Second distance between subpoint of the optical center of module on the imaging sensor of camera module to be tested,
First distance and the difference of second distance are that the camera lens of camera module to be tested passes with the image of camera module to be tested
The relative displacement of sensor.
3. camera module group lens according to claim 1 and the method for testing of imaging sensor relative position, its feature exist
In,
In image sensor plane, using by image sensor center and orthogonal reference axis is x-axis and y-axis,
In above-mentioned steps 3, using two-value method calculate respectively every image in two first thresholds brightness center in x-axis direction
On difference, so as to obtain the corresponding relation group between multigroup y-axis direction relative inclination and x-axis direction brightness central difference；
In above-mentioned steps 4, by step 3 method calculate described two threshold values when brightness center x-axis direction difference, according to
Data in the corresponding relation group, the imaging sensor of the camera lens and camera module to be tested that can obtain camera module to be tested exist
The relative inclination in y-axis direction.
4. camera module group lens according to claim 3 and the method for testing of imaging sensor relative position, its feature exist
In, include the method for testing of the relative displacement on camera module group lens and imaging sensor x-axis direction, including：
5) to the image shot in step 4, choose Second Threshold and the brightness center of image is calculated in x-axis according to Second Threshold
On coordinate, and combine coordinate of the image sensor center in x-axis of camera module to be tested, obtain brightness of image center with
The first distance between the image sensor center of camera module to be tested in x-axis,
Focal length according to the optical center of camera module to be tested to the imaging sensor of camera module to be tested, and it is to be tested
The imaging sensor of the camera lens of camera module and camera module to be tested y-axis direction relative inclination obtain brightness of image center with
Between subpoint of the optical center of camera module to be tested on the imaging sensor of camera module to be tested in x-axis
Two distances,
First distance and the difference of second distance are the image at camera module group lens center to be tested and camera module to be tested
The relative displacement of center sensor in the direction of the x axis.
5. camera module group lens according to claim 3 and the method for testing of imaging sensor relative position, its feature exist
In, in above-mentioned steps 3, using two-value method calculate respectively every image in two first thresholds brightness center in x-axis direction
On difference the step of include：The pixel that brightness value is more than to two first thresholds respectively using two-value method is arranged to 255, will
The pixel that brightness value is less than two first thresholds is arranged to 0, is that the abscissa phase adduction of 255 pixel asks flat by brightness value
Average, so as to respectively obtain every image in two first thresholds brightness center x-axis coordinate, and by obtain two seat
Mark subtracts each other the difference as brightness center in the direction of the x axis.
6. camera module group lens according to claim 1 and the method for testing of imaging sensor relative position, its feature exist
In,
Using six axial adjustment instrument adjustment camera module sample imaging sensor, change camera module sample imaging sensor with
The angle of inclination of the camera lens of camera module sample.
7. camera module group lens according to claim 1 and the method for testing of imaging sensor relative position, its feature exist
In with the image sensing of the camera lens and camera module sample of default variable quantity adjustment camera module sample between -5 ° to 5 °
Angle between device.
8. camera module group lens according to claim 7 and the method for testing of imaging sensor relative position, its feature exist
In the default variable quantity is that each amplitude of variation is no more than 0.2 °.
9. camera module group lens according to claim 2 and the method for testing of imaging sensor relative position, its feature exist
In in steps of 5, choose image maximum brightness value 90~95% are used as Second Threshold, and the brightness center for calculating image is sat
Mark.
10. camera module group lens according to claim 2 and the method for testing of imaging sensor relative position, its feature exist
In the second distance is the tangent value of relative inclination and the product of focal length.
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Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1525201A (en) * | 2003-02-26 | 2004-09-01 | 矽峰光电科技股份有限公司 | Lens adjusting method and mechanism thereof |
| TW200951526A (en) * | 2008-06-06 | 2009-12-16 | Hon Hai Prec Ind Co Ltd | Inclination angle measurement method for lens module |
| JP2011164227A (en) * | 2010-02-05 | 2011-08-25 | Canon Inc | Shake correction apparatus |
| CN102889879A (en) * | 2011-07-21 | 2013-01-23 | 安讯士有限公司 | Method for determining the tilt of an image sensor |
| CN102998765A (en) * | 2011-09-16 | 2013-03-27 | 鸿富锦精密工业（深圳）有限公司 | Camera module and camera module assembly method |
| CN103018015A (en) * | 2012-12-26 | 2013-04-03 | 青岛歌尔声学科技有限公司 | Device and method for detecting optical-axis offset of lens in equipment |
| US20130155257A1 (en) * | 2011-12-16 | 2013-06-20 | Hon Hai Precision Industry Co., Ltd. | Test device for testing camera module and method thereof |
| CN103673987A (en) * | 2013-12-31 | 2014-03-26 | 昆山丘钛微电子科技有限公司 | System and method for evaluating inclination degree of camera module testing equipment |
| US20160061594A1 (en) * | 2014-09-02 | 2016-03-03 | Samsung Electro-Mechanics Co., Ltd. | System and method of measuring and correcting tilt angle of lens |
| CN106296711A (en) * | 2016-08-22 | 2017-01-04 | 华南理工大学 | A kind of multiaxis active alignment method of mobile phone camera module |
| CN106355620A (en) * | 2016-08-31 | 2017-01-25 | 张家港康得新光电材料有限公司 | Mark correcting method and correcting system |
| CN106488223A (en) * | 2016-10-20 | 2017-03-08 | 苏州艾微视图像科技有限公司 | The method of adjustment of photographic head active optical axis |
| CN106839976A (en) * | 2016-12-22 | 2017-06-13 | 歌尔科技有限公司 | A kind of method and device at detector lens center |
-
2017
- 2017-09-26 CN CN201710882986.3A patent/CN107702695B/en active Active
Patent Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1525201A (en) * | 2003-02-26 | 2004-09-01 | 矽峰光电科技股份有限公司 | Lens adjusting method and mechanism thereof |
| TW200951526A (en) * | 2008-06-06 | 2009-12-16 | Hon Hai Prec Ind Co Ltd | Inclination angle measurement method for lens module |
| JP2011164227A (en) * | 2010-02-05 | 2011-08-25 | Canon Inc | Shake correction apparatus |
| CN102889879A (en) * | 2011-07-21 | 2013-01-23 | 安讯士有限公司 | Method for determining the tilt of an image sensor |
| CN102998765A (en) * | 2011-09-16 | 2013-03-27 | 鸿富锦精密工业（深圳）有限公司 | Camera module and camera module assembly method |
| US20130155257A1 (en) * | 2011-12-16 | 2013-06-20 | Hon Hai Precision Industry Co., Ltd. | Test device for testing camera module and method thereof |
| TW201326738A (en) * | 2011-12-16 | 2013-07-01 | Hon Hai Prec Ind Co Ltd | Test device and method for camera module |
| CN103018015A (en) * | 2012-12-26 | 2013-04-03 | 青岛歌尔声学科技有限公司 | Device and method for detecting optical-axis offset of lens in equipment |
| CN103673987A (en) * | 2013-12-31 | 2014-03-26 | 昆山丘钛微电子科技有限公司 | System and method for evaluating inclination degree of camera module testing equipment |
| US20160061594A1 (en) * | 2014-09-02 | 2016-03-03 | Samsung Electro-Mechanics Co., Ltd. | System and method of measuring and correcting tilt angle of lens |
| CN106296711A (en) * | 2016-08-22 | 2017-01-04 | 华南理工大学 | A kind of multiaxis active alignment method of mobile phone camera module |
| CN106355620A (en) * | 2016-08-31 | 2017-01-25 | 张家港康得新光电材料有限公司 | Mark correcting method and correcting system |
| CN106488223A (en) * | 2016-10-20 | 2017-03-08 | 苏州艾微视图像科技有限公司 | The method of adjustment of photographic head active optical axis |
| CN106839976A (en) * | 2016-12-22 | 2017-06-13 | 歌尔科技有限公司 | A kind of method and device at detector lens center |
Non-Patent Citations (1)
| Title |
|---|
| 刘畅: "《摄像模组自动测试系统研究》", 《万方数据知识服务平台》 * |
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108429908A (en) * | 2018-06-15 | 2018-08-21 | 昆山丘钛微电子科技有限公司 | A kind of test method of camera module, device, equipment and medium |
| CN109163888A (en) * | 2018-08-29 | 2019-01-08 | 歌尔股份有限公司 | Optical centre test method, device and equipment |
| CN109257539B (en) * | 2018-10-15 | 2021-01-12 | 昆山丘钛微电子科技有限公司 | Focusing method and device, electronic equipment and computer readable storage medium |
| CN109257539A (en) * | 2018-10-15 | 2019-01-22 | 昆山丘钛微电子科技有限公司 | A kind of focusing method, device, electronic equipment and medium |
| CN110132225B (en) * | 2019-05-10 | 2021-03-12 | 西安电子科技大学 | Monocular oblique non-coaxial lens distance measuring device |
| CN110132225A (en) * | 2019-05-10 | 2019-08-16 | 西安电子科技大学 | The tilting non co axial lens range unit of monocular |
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| CN111191623B (en) * | 2020-01-03 | 2023-09-19 | 圣点世纪科技股份有限公司 | Method for determining finger vein shooting distance |
| CN111277762A (en) * | 2020-03-05 | 2020-06-12 | 昆山丘钛微电子科技有限公司 | Focusing method, device, equipment and medium for camera module |
| CN112040121A (en) * | 2020-08-19 | 2020-12-04 | 欧菲微电子技术有限公司 | Focusing method and device, storage medium and terminal |
| CN113766210A (en) * | 2021-07-21 | 2021-12-07 | 歌尔光学科技有限公司 | Test method and device |
| CN116320747A (en) * | 2023-05-19 | 2023-06-23 | 四川华鲲振宇智能科技有限责任公司 | Method for horizontally checking image sensor and lens |
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