CN115842959A - Anti-shake testing device and anti-shake testing method for optical image stabilizer - Google Patents
Anti-shake testing device and anti-shake testing method for optical image stabilizer Download PDFInfo
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- CN115842959A CN115842959A CN202211643476.8A CN202211643476A CN115842959A CN 115842959 A CN115842959 A CN 115842959A CN 202211643476 A CN202211643476 A CN 202211643476A CN 115842959 A CN115842959 A CN 115842959A
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Abstract
The invention provides an anti-shake testing device and an anti-shake testing method of an optical image stabilizer, wherein the anti-shake testing device of the optical image stabilizer comprises: a turntable; a motor mounted on said turntable, said turntable capable of providing rotation of a predetermined frequency and amplitude to said motor; a lens simulator mounted to the motor; an optical image stabilizer connected with the motor and driving the motor to push the lens simulator to move; a gyroscope capable of measuring vibration of the motor; a laser range finder capable of measuring a distance between the laser range finder and the lens simulator by laser. Compared with the prior art, the method adopts laser ranging to replace the original image judgment mode, does not need to wait for debugging of an image sensor, and does not need to build the whole photographing system, thereby saving a large amount of resources and improving the debugging efficiency of the whole system.
Description
[ technical field ] A
The invention relates to the technical field of anti-shake tests of optical image stabilizers, in particular to an anti-shake test device and an anti-shake test method of an optical image stabilizer.
[ background of the invention ]
The current scheme is generally to use the system of shooing to shoot before the anti-shake is opened, and the photo before and after the use contrasts and judges the compensation proportion of anti-shake, and this scheme requires the motor to need wait for image sensor debugging to accomplish after the completion, accomplishes building and debugging of whole system of shooing again and just can use. The construction and debugging of the photographing system need to spend a large amount of resources, and the debugging of the image sensor also needs the cooperation of time and other manufacturers.
Therefore, a new technical solution is needed to solve the above problems.
[ summary of the invention ]
An objective of the present invention is to provide an anti-shake testing apparatus and an anti-shake testing method for an optical image stabilizer, which measure the actual displacement of a lens in a laser ranging manner, and further calculate the anti-shake compensation ratio without a photographing system and an image sensor, thereby saving a lot of resources and improving the debugging efficiency of the whole system.
According to an aspect of the present invention, there is provided an anti-shake test apparatus of an optical image stabilizer, including: a turntable; a motor mounted on said turntable, said turntable being capable of providing rotation of a predetermined frequency and amplitude to said motor; a lens simulator mounted to the motor; an optical image stabilizer connected with the motor and driving the motor to push the lens simulator to move; a gyroscope capable of measuring vibration of the motor; a laser range finder capable of measuring a distance between the laser range finder and the lens simulator by laser.
Further, the anti-shake test device of the optical image stabilizer performs the following operations during the anti-shake test process: closing the optical image stabilizer, starting the rotary table to rotate at a preset frequency and amplitude, and collecting the distance between the laser range finder and the lens simulator within a preset time length to generate first jitter measurement data; starting the optical image stabilizer, starting the rotary table to rotate at a preset frequency and amplitude, measuring the vibration of the motor by the gyroscope, and generating vibration measurement data; the optical image stabilizer calculates compensation data according to the vibration measurement data provided by the gyroscope, and drives the motor to perform vibration compensation based on the compensation data so as to push the lens simulator to move, and at the moment, the laser range finder collects the distance between the laser range finder and the lens simulator within a preset time length so as to generate second vibration measurement data; and calculating the compensation stroke of the lens simulator according to the first jitter measurement data and the second jitter measurement data acquired by the laser range finder, the rotation radius and the rotation angle of the lens simulator, and calculating the compensation proportion of the optical image stabilizer according to the compensation stroke.
Further, the rotating shaft of the turntable is adjusted to be consistent with the center of the lens simulator or the center of the bottom of the motor, so that the rotating radius of the lens simulator is determined; and/or when the turntable is not started, calculating to obtain a preset laser measuring position on the lens simulator according to the rotating radius and the rotating angle of the lens simulator, wherein the distance between the preset laser measuring position of the lens simulator and the rotating shaft of the turntable is the rotating radius of the lens simulator; the rotation angle of the turntable is the rotation angle of the lens simulator; the jitter measurement data is the difference between the maximum distance value or the minimum distance value measured by the laser range finder and a reference distance value, and the distance between the jitter measurement data and the lens simulator measured by the laser range finder is the reference distance value under the condition that the turntable is not started; the rotation angle of the lens simulator can be measured by the gyroscope.
Further, a hollow structure is arranged in the motor; the lens simulator comprises a lens part and a mounting part protruding out of the bottom surface of the lens part; the installation department of camera lens simulator install in the hollow structure of motor, just the camera lens portion is located the top of motor.
Further, the motor merely pushes the lens simulator to move in a direction parallel to the motor surface.
According to another aspect of the present invention, there is provided an anti-shake testing method of an anti-shake testing apparatus of an optical image stabilizer, comprising: installing a lens simulator into a motor, installing the motor on a turntable, and setting the preset frequency and amplitude of the turntable; when the turntable is not started, calculating to obtain a preset laser measuring position on the lens simulator according to the rotating radius and the rotating angle of the lens simulator; closing the optical image stabilizer, starting the turntable to rotate at a preset frequency and amplitude, and acquiring the distance between the laser range finder and the lens simulator within a preset time length to generate first jitter measurement data; starting the optical image stabilizer, starting the turntable to rotate at a preset frequency and amplitude, measuring the vibration of the motor by a gyroscope and generating vibration measurement data, calculating compensation data by the optical image stabilizer according to the vibration measurement data provided by the gyroscope, and driving the motor to perform vibration compensation based on the compensation data so as to push the lens simulator to move, wherein at the moment, the distance between the laser range finder and the lens simulator is acquired within a preset time length by the laser range finder so as to generate second vibration measurement data; and calculating the compensation stroke of the lens simulator according to the first jitter measurement data and the second jitter measurement data acquired by the laser range finder, the rotation radius and the rotation angle of the lens simulator, and calculating the compensation proportion of the optical image stabilizer according to the compensation stroke.
Further, the distance between the preset laser measuring position of the lens simulator and the rotating shaft of the turntable is the rotating radius of the lens simulator; the rotation angle of the turntable is the rotation angle of the lens simulator.
Further, the rotating shaft of the turntable is adjusted to be consistent with the center of the lens simulator or the center of the bottom of the motor, so that the rotating radius of the lens simulator is determined; and/or the jitter measurement data is the difference between the maximum distance value or the minimum distance value measured by the laser range finder and a reference distance value, and the distance between the measured distance value and the lens simulator is the reference distance value under the condition that the turntable is not started;
the rotation angle of the lens simulator can be measured by the gyroscope.
Further, a hollow structure is arranged in the motor; the lens simulator comprises a lens part and a mounting part protruding out of the bottom surface of the lens part; the installation department of camera lens simulator install in the hollow structure of motor, just the camera lens portion is located the top of motor.
Further, the motor merely pushes the lens simulator to move in a direction parallel to the motor surface.
Compared with the prior art, the method adopts laser ranging to replace the original image judgment mode, does not need to wait for debugging of an image sensor, and does not need to build the whole photographing system, thereby saving a large amount of resources and improving the debugging efficiency of the whole system.
[ description of the drawings ]
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise. Wherein:
FIG. 1 is a front view of a motor in one embodiment of the present invention;
FIG. 2 is a side view of a motor in one embodiment of the present invention;
FIG. 3 is a front view of a lens simulator in one embodiment of the invention;
FIG. 4 is a side view of a lens simulator in one embodiment of the invention;
FIG. 5 is a rear view of a lens simulator in one embodiment of the invention;
FIG. 6 is a front view of a lens simulator and motor assembled together in one embodiment of the invention;
FIG. 7 is a side view of a lens simulator and motor assembled together in one embodiment of the invention;
FIG. 8 is a flowchart illustrating an anti-shake testing method of an anti-shake testing apparatus for an optical image stabilizer according to an embodiment of the present invention;
FIG. 9 is a schematic diagram illustrating the relative positions of the motor, the lens simulator, the laser range finder and the laser path thereof when step 830 is performed according to one embodiment of the present invention;
FIG. 10 is a diagram illustrating the relative positions of the motor, the lens simulator, the laser range finder and the laser path thereof when step 840 is performed according to an embodiment of the present invention.
[ detailed description ] A
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
Reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic may be included in at least one implementation of the invention. The appearances of the phrase "in one embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. Unless otherwise specified, the terms connected, and connected herein mean electrically connected, directly or indirectly.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "secured," "coupled," and the like are to be construed broadly; for example, the connection can be fixed, detachable or integrated; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other suitable relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In order to meet the current requirements of users on the Image quality of images, the OIS (Optical Image Stabilizer) anti-shake technology has been gradually popularized in most terminal devices. The optical anti-shake technology has the main principle that a movable part pushed by magnetic force is added in a lens group, when shake occurs, the shake angle is detected through a gyroscope and is converted into a stroke of the lens, which needs to be compensated, the current is changed to push the lens to reach a corresponding position, and a light path is prevented from generating large deflection as much as possible, so that the purpose of compensation is achieved. In most cases, the required compensation position is generally required to push the center of the lens to be close to the center position when the lens is not shaken, so as to ensure the final imaging effect. Most of the existing OIS detection methods are realized by taking pictures, and mainly a camera is placed on a turntable, corresponding jitter frequency and amplitude are set, and a compensation result is judged by comparing imaging pictures before and after compensation. Because the photographing is involved, a complete photographing environment, corresponding light, a corresponding image for testing and the like are generally required to be arranged, and the result can be photographed by debugging the image part of the camera.
In order to start testing the effects of OIS in the motor stage only, the present invention uses laser ranging to test the position of the lens to calculate the corresponding compensation effect. In the mode, only the false lens is required to be added on the basis of the completion of the motor, and then the laser range finder which is inevitably required to be used in the industry is added to carry out the test, the adjustment of the image sensor is not required to be completed, and a whole set of photographing environment is also not required. Accordingly, the invention provides an anti-shake testing device and an anti-shake testing method for an optical image stabilizer.
The anti-shake testing device of the optical image stabilizer comprises a rotary table (not marked), a motor 10, a lens simulator (or a false lens) 20, an optical image stabilizer (not marked), a gyroscope (not marked) and a laser range finder 30, wherein the motor 10 is arranged on the rotary table (not marked), and the rotary table (not marked) can provide rotation of a preset frequency and amplitude for the motor 10; a lens simulator (or a dummy lens) 20 is installed on the motor 10; an optical image stabilizer (not shown) is connected to the motor 10 and drives the motor 10 to move the lens simulator (or dummy lens) 20; a gyroscope (not identified) capable of measuring the vibration (or rotation) of the motor 10; the laser range finder 30 can measure its distance from the lens simulator 20 by laser.
Referring to fig. 1, a front view of a motor 10 according to an embodiment of the present invention is shown; referring to fig. 2, a side view of the motor 10 according to an embodiment of the present invention is shown. A hollow structure 12 is provided in the motor 10 shown in fig. 1 and 2.
Referring to fig. 3, a front view of a lens simulator (or false lens) 20 according to an embodiment of the invention is shown; please refer to fig. 4, which is a side view of a lens simulator (or dummy lens) 20 according to an embodiment of the present invention; fig. 5 is a rear view of a lens simulator (or false lens) 20 according to an embodiment of the invention. The lens simulator 20 shown in fig. 3-5 includes a lens portion 22 and a mounting portion 24 protruding from a bottom surface of the lens portion 22.
Fig. 6 is a front view of a lens simulator (or a dummy lens) 20 and a motor 10 assembled together according to an embodiment of the present invention; fig. 7 is a side view of a lens simulator (or a dummy lens) 20 and a motor 10 assembled together according to an embodiment of the present invention. In the embodiment shown in fig. 6 and 7, the mount portion 24 of the lens simulator 20 is mounted in the hollow structure 12 of the motor 10, and the lens portion 22 is located above the motor 10, and the lens simulator (or dummy lens) 20 needs to be separately opened to secure its mounting accuracy and surface smoothness. In the particular embodiment shown in fig. 3-7, the mount 24 of the lens simulator (or false lens) 20 is a cylinder.
The anti-shake test device of the optical image stabilizer provided by the invention needs to execute the following operations in the anti-shake test process.
The optical image stabilizer (not identified) is turned off, the turntable (not identified) is turned on at a predetermined frequency and amplitude, and the laser range finder 30 collects the distance from the lens simulator 20 by laser measurement for a predetermined time period to generate first jitter measurement data.
Turning on an optical image stabilizer (not identified), starting a turntable (not identified) to rotate at a predetermined frequency and amplitude, a gyroscope (not identified) measuring vibration (or rotation) of the motor 10 and generating vibration measurement data, the optical image stabilizer (not identified) calculating compensation data from the vibration measurement data provided by the gyroscope (not identified) and driving the motor 10 to perform vibration compensation based on the compensation data to push the lens simulator (or dummy lens) 20 to move for shake compensation, at which time the laser range finder 30 collects a distance from the lens simulator 20 by laser measurement within a predetermined time period to generate second shake measurement data.
The compensation stroke (i.e., the stroke or distance to be pushed) of the lens simulator (or dummy lens) 20 is calculated based on the first shake measurement data, the second shake measurement data collected by the laser range finder 30, and the rotation radius and rotation angle of the lens simulator (or dummy lens) 20, and the compensation ratio of the optical image stabilizer (not identified) is calculated based on the compensation stroke. Specifically, the compensation ratio of the optical image stabilizer (not identified) can be calculated from the compensation stroke and the actually required lens stroke.
In one embodiment, the radius of rotation of the lens simulator (or dummy lens) 20 can be determined by adjusting to keep the axis of rotation of the turret (not identified) coincident with the center of the lens simulator (or dummy lens) 20 or the center of the bottom of the motor 10.
In one embodiment, when the turret is not started (or is still), a predetermined laser measurement position on the lens simulator (or the dummy lens) 20 is calculated according to the rotation radius and the rotation angle of the lens simulator (or the dummy lens) 20, wherein the distance between the predetermined laser measurement position of the lens simulator (or the dummy lens) 20 and the rotation axis of the turret (not identified) is the rotation radius of the lens simulator (or the dummy lens) 20; the rotation angle of the turret (not identified) is the rotation angle of the lens simulator (or dummy lens) 20.
In one embodiment, the jitter measurement data is the difference between the maximum distance value or the minimum distance value measured by the laser range finder 30 and the reference distance value, and in the case where the turret (not identified) is not activated, the distance measured by the laser range finder 30 from the lens simulator (or dummy lens) 20 is the reference distance value; the rotation angle of the lens simulator (or dummy lens) 20 can be measured by a gyroscope (not identified).
In one embodiment, the motor 10 only pushes the lens simulator (or dummy lens) 20 to move in a direction parallel to the surface of the motor 10, and does not push the lens simulator (or dummy lens) 20 to move in a direction perpendicular to the surface of the motor 10.
Referring to fig. 8, a flowchart of an anti-shake testing method for an anti-shake testing apparatus of an optical image stabilizer according to an embodiment of the invention is shown. The anti-shake test method shown in fig. 8 includes the following steps.
Fig. 9 is a schematic diagram illustrating a relative position relationship between the motor, the lens simulator, the laser range finder and the laser path thereof when step 830 is executed according to an embodiment of the present invention. In the embodiment shown in fig. 9, it can be seen that the laser rangefinder 30 strikes the laser from the side onto the measurement position of the lens simulator (or false lens) 20; in the case where the laser position (or the laser path) is kept constant, the laser range finder 30 obtains a laser range finding result that significantly changes as the motor 10 rotates as a whole, and the laser range finding result becomes larger when the motor 10 rotates leftward and becomes smaller when the motor 10 rotates rightward.
Referring to fig. 10, it is a schematic diagram illustrating a relative position relationship between the motor, the lens simulator, the laser range finder and the laser path thereof when step 840 is executed according to an embodiment of the present invention. In the embodiment shown in fig. 10, it can be seen that after the optical image stabilizer (not shown) is turned on, as the vibration (or rotation) of the motor 10 is detected by the gyroscope, the motor 10 will push the position of the lens simulator (or false lens) 20 in the opposite direction to ensure the stability of the light path as much as possible, and the relative laser ranging result change becomes smaller in terms of laser ranging. In the embodiment shown in fig. 10, the motor 10 only pushes the lens simulator (or dummy lens) 20 to move in a direction parallel to the surface of the motor 10, and does not push the lens simulator (or dummy lens) 20 to move in a direction perpendicular to the surface of the motor 10.
Theoretically, the laser range finder 30 can measure the laser range finding result with minimal or even no change before and after the optical image stabilizer (not identified) is turned on. In practical use, the distance or the stroke of the lens simulator (or the dummy lens) 20 being pushed can be obtained according to the change of the laser ranging result measured by the laser range finder 30 before and after the optical image stabilizer (not marked) is started, and the compensation proportion of the optical image stabilizer (not marked) can be calculated by conversion to determine whether the compensation proportion can reach the required compensation proportion.
In one embodiment, the jitter measurement data is the difference between the maximum distance value or the minimum distance value measured by the laser range finder 30 and the reference distance value, and in the case where the turret (not identified) is not activated, the distance measured by the laser range finder 30 from the lens simulator (or dummy lens) 20 is the reference distance value; the rotation angle of the lens simulator (or dummy lens) 20 can be measured by a gyroscope (not identified).
In summary, the present invention provides an anti-shake testing apparatus and an anti-shake testing method for an optical image stabilizer, which measure the actual displacement of a lens in a laser ranging manner, and further calculate the anti-shake compensation ratio without a photographing system and an image sensor, thereby saving a large amount of resources and improving the debugging efficiency of the whole system.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example" or "some examples" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples described in this specification can be combined and combined by one skilled in the art.
While embodiments of the present invention have been shown and described above, it is to be understood that the above embodiments are exemplary and not to be construed as limiting the present invention, and that changes, modifications and variations may be made therein by those of ordinary skill in the art within the scope of the present invention.
Claims (10)
1. An anti-shake test apparatus for an optical image stabilizer, comprising:
a turntable;
a motor mounted on said turntable, said turntable being capable of providing rotation of a predetermined frequency and amplitude to said motor;
a lens simulator mounted to the motor;
an optical image stabilizer connected with the motor and driving the motor to push the lens simulator to move;
a gyroscope capable of measuring vibration of the motor;
a laser range finder capable of measuring a distance between the laser range finder and the lens simulator by laser.
2. The anti-shake test apparatus for an optical image stabilizer according to claim 1,
during the anti-shake test, the following operations are executed:
closing the optical image stabilizer, starting the turntable to rotate at a preset frequency and amplitude, and acquiring the distance between the laser range finder and the lens simulator within a preset time length to generate first jitter measurement data;
starting the optical image stabilizer, starting the rotary table to rotate at a preset frequency and amplitude, measuring the vibration of the motor by the gyroscope, and generating vibration measurement data; the optical image stabilizer calculates compensation data according to the vibration measurement data provided by the gyroscope, and drives the motor to perform vibration compensation based on the compensation data so as to push the lens simulator to move, and at the moment, the laser range finder collects the distance between the laser range finder and the lens simulator within a preset time length so as to generate second vibration measurement data;
and calculating the compensation stroke of the lens simulator according to the first jitter measurement data and the second jitter measurement data acquired by the laser range finder, the rotation radius and the rotation angle of the lens simulator, and calculating the compensation proportion of the optical image stabilizer according to the compensation stroke.
3. The anti-shake test apparatus for an optical image stabilizer according to claim 2,
determining the rotation radius of the lens simulator by keeping the rotation axis of the turntable consistent with the center of the lens simulator or the center of the bottom of the motor through adjustment; and/or
When the turntable is not started, calculating to obtain a preset laser measuring position on the lens simulator according to the rotating radius and the rotating angle of the lens simulator, wherein the distance between the preset laser measuring position of the lens simulator and the rotating shaft of the turntable is the rotating radius of the lens simulator; the rotation angle of the turntable is the rotation angle of the lens simulator;
the jitter measurement data is the difference between the maximum distance value or the minimum distance value measured by the laser range finder and a reference distance value, and the distance between the jitter measurement data and the lens simulator measured by the laser range finder is the reference distance value under the condition that the turntable is not started;
the rotation angle of the lens simulator can be measured by the gyroscope.
4. The anti-shake test apparatus for an optical image stabilizer according to claim 1,
a hollow structure is arranged in the motor;
the lens simulator comprises a lens part and a mounting part protruding out of the bottom surface of the lens part;
the installation department of camera lens simulator install in the hollow structure of motor, just the camera lens portion is located the top of motor.
5. The anti-shake test apparatus for an optical image stabilizer according to any one of claims 1 to 4,
the motor merely pushes the lens simulator to move in a direction parallel to the motor surface.
6. An anti-shake test method of an anti-shake test apparatus of an optical image stabilizer, comprising:
installing a lens simulator into a motor, installing the motor onto a turntable, and setting a preset frequency and amplitude of the turntable;
when the turntable is not started, calculating to obtain a preset laser measuring position on the lens simulator according to the rotating radius and the rotating angle of the lens simulator;
closing the optical image stabilizer, starting the rotary table to rotate at a preset frequency and amplitude, and collecting the distance between the laser range finder and the lens simulator within a preset time length to generate first jitter measurement data;
starting the optical image stabilizer, starting the turntable to rotate at a preset frequency and amplitude, measuring the vibration of the motor by a gyroscope and generating vibration measurement data, calculating compensation data by the optical image stabilizer according to the vibration measurement data provided by the gyroscope, and driving the motor to perform vibration compensation based on the compensation data so as to push the lens simulator to move, wherein at the moment, the distance between the laser range finder and the lens simulator is acquired within a preset time length by the laser range finder so as to generate second vibration measurement data;
and calculating the compensation stroke of the lens simulator according to the first jitter measurement data and the second jitter measurement data acquired by the laser range finder, the rotation radius and the rotation angle of the lens simulator, and calculating the compensation proportion of the optical image stabilizer according to the compensation stroke.
7. The anti-shake test method of an anti-shake test apparatus of an optical image stabilizer according to claim 6,
the distance between the preset laser measurement position of the lens simulator and the rotating shaft of the turntable is the rotating radius of the lens simulator;
the rotation angle of the turntable is the rotation angle of the lens simulator.
8. The anti-shake test method of an anti-shake test apparatus of an optical image stabilizer according to claim 7,
determining the rotation radius of the lens simulator by keeping the rotation axis of the turntable consistent with the center of the lens simulator or the center of the bottom of the motor through adjustment; and/or
The jitter measurement data is the difference between the maximum distance value or the minimum distance value measured by the laser range finder and a reference distance value, and the distance between the jitter measurement data and the lens simulator measured by the laser range finder is the reference distance value under the condition that the turntable is not started;
the rotation angle of the lens simulator can be measured by the gyroscope.
9. The anti-shake test method of an anti-shake test apparatus of an optical image stabilizer according to claim 6,
a hollow structure is arranged in the motor;
the lens simulator comprises a lens part and an installation part protruding out of the bottom surface of the lens part;
the installation department of camera lens simulator install in the hollow structure of motor, just the camera lens portion is located the top of motor.
10. The anti-shake test apparatus for an optical image stabilizer according to any one of claims 6 to 9,
the motor merely pushes the lens simulator to move in a direction parallel to the motor surface.
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| CN202211643476.8A CN115842959A (en) | 2022-12-20 | 2022-12-20 | Anti-shake testing device and anti-shake testing method for optical image stabilizer |
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| CN202211643476.8A CN115842959A (en) | 2022-12-20 | 2022-12-20 | Anti-shake testing device and anti-shake testing method for optical image stabilizer |
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