CN103200353A - Image acquisition device, dedusting system and vibration dedusting method of dedusting system - Google Patents
Image acquisition device, dedusting system and vibration dedusting method of dedusting system Download PDFInfo
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- CN103200353A CN103200353A CN2012100019244A CN201210001924A CN103200353A CN 103200353 A CN103200353 A CN 103200353A CN 2012100019244 A CN2012100019244 A CN 2012100019244A CN 201210001924 A CN201210001924 A CN 201210001924A CN 103200353 A CN103200353 A CN 103200353A
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Abstract
The invention discloses an image acquisition device, a dedusting system and a vibration dedusting method of the dedusting system. The image acquisition device comprises an image sensor, a vibration dedusting device, an optical element adaptor, a detector, a touch control screen and a controller. The image sensor receives an optical signal and converts the optical signal to an image signal. The vibration dedusting device produces vibration to dedust the image sensor. The detector detects whether one removable optical element is connected with the optical element adaptor or not, and produces a detecting signal. The touch control screen is used for displaying the image signal, and enables a user to assign one dedusting position. The controller receives the detecting signal and enters a dedusting model, or controls frequency or amplitude of the vibration produced by the vibration dedusting device according to the dedusting position. The image acquisition device, the dedusting system and the vibration dedusting method of the dedusting system can solve the problems of electric power waste or long dedusting time in the prior art.
Description
Technical field
The present invention relates to the method for a kind of image capture unit, dust pelletizing system and vibration dedusting thereof, particularly be available for users to specify the dedusting position relevant for a kind of, with the method for image capture unit, dust pelletizing system and the vibration dedusting thereof of vibrating dedusting.
Background technology
Along with the arriving of digital age, and under the continuous progress of science and technology, the selling price of interchangeable lenses formula digital camera (as digital S.L.R Digital Single Lens Reflex Camera) has been not to move the then camera head of hundreds thousand of amount of money in the past; In price popular today day by day, interchangeable lenses formula digital camera has become the indispensable 3C Product of one of staff almost.And interchangeable lenses formula digital camera to be available for users in response to the demand on its scenery or the composition be the suitable pick-up lens of burnt section with replaceable.Yet, in changing the process of pick-up lens, can go out an open breach on the camera, thereby make dust in the environment or foreign material etc. easily invade in camera inside, and adhesion or depend on the image sensor.This situation namely can cause and occur many grey points not of uniform size on the image, and then has influenced the texture of whole image.
The dedusting method that present stage is comparatively general, mostly be greatly and utilize a vibration deduster that image sensor is vibrated dedusting, vibrate dedusting and described vibration deduster is the amplitude vibrated or the maximum of frequency mostly, this mode need spend more electric power usually.Or be that default some kinds of vibration parameters in camera are selected to use for the user; But if the selected parameter of user effectively during dedusting (it is higher that for example dirt pits is adhered to the adhesion strength of image sensor), then need stop dust removal operation, carry out dedusting to be transformed to another bigger or maximum parameter value, this situation causes the relative increase of dedusting time many.
Yet, also the people of some is accustomed to utilizing manual mode to carry out dedusting, but in dust removal process, usually need to take earlier an image, again according to the shown position of described image carrying out dedusting, and after dedusting finishes, need take another image more again, to determine whether dirt pits is moved the place really, this mode is in the process that back and forth start, shutdown, pick-up lens are assembled or unloaded, and real is spended time and trouble.
Described before taking a broad view of, the present inventor thinks and designs the method for a kind of image capture unit, dust pelletizing system and vibration dedusting thereof, improved with the disappearance at prior art, and then the enforcement utilization on the enhancement industry.
Summary of the invention
Because the problem of above-mentioned known technology, purpose of the present invention is exactly in the method that a kind of image capture unit, dust pelletizing system and vibration dedusting thereof are provided, with the power wastage of solution known technology or the problem of dedusting time raising.
For achieving the above object, the present invention takes following technical scheme:
The present invention proposes a kind of image capture unit, and it comprises: an image sensor, a vibration deduster, an optical element adapter, a detector, a touch-control screen and a controller.Image sensor receives an optical signal and converts optical signal to an image signal.The vibration deduster produces a vibration so that image sensor is carried out dedusting.Whether the optical element that detector is detected a removable formula is connected in described optical element adapter, and produces a detection signal.Touch-control screen show image signal, and supply a user to specify a dedusting position.Controller receives detection signal entering a dedusting pattern, or a frequency or an amplitude of the vibration that produces according to dedusting Position Control vibration deduster.
Wherein, when the user continued to specify the dedusting position, controller control vibration deduster progressively strengthened amplitude or frequency.
Wherein, when controller control vibration deduster carried out dedusting above a Preset Time, then controller control vibration deduster stopped to produce vibration.
Wherein, when the user finish to specify dedusting position or amplitude, when frequency reaches maximum, controller control vibration deduster stops to produce vibration.
In addition, according to purpose of the present invention, reintroduce a kind of dust pelletizing system, be applicable to an interchangeable lenses formula image capture unit, it comprises: a vibration deduster, a dedusting interface, are chosen module and a controller.The vibration deduster produces a vibration, carries out dedusting with the image sensor to interchangeable lenses formula image capture unit.The dedusting interface is shown on the display unit, browses a dedusting position for a user.Choose module for the dedusting position of user according to the dedusting interface, choose signal to produce one.The controller basis is chosen an amplitude or the frequency that signal calculates vibration, and uses control vibration shock eliminator and vibrate dedusting.
Wherein, described dust pelletizing system more comprises a detector, and it detects interchangeable lenses formula image capture unit when start, an assembled state of a pick-up lens of described interchangeable lenses formula image capture unit.
Wherein, controller determines interchangeable lenses formula image capture unit to carry out a normal running interface or dedusting interface according to assembled state.
At least one dirt pits position on the image sensor of wherein, dedusting position display interchangeable lenses formula image capture unit.
Wherein, when the user continued to choose the dedusting position, controller control vibration deduster progressively strengthened amplitude and frequency.
Wherein, when the user finish to choose dedusting position or amplitude, when frequency reaches maximum, controller control vibration deduster stops to produce vibration.
Wherein, when the vibration dedusting of vibration deduster surpassed a Preset Time, controller control vibration deduster stopped to produce vibration.
Wherein, choosing module is several control knobs that are arranged at a touch module of display unit or are arranged at interchangeable lenses formula image capture unit.
In addition, according to purpose of the present invention, other proposes a kind of method of vibrating dedusting, is applicable to an interchangeable lenses formula image capture unit, and the method for described vibration dedusting comprises the following step:
Be shown on the display unit by a dedusting interface, browse a dedusting position for a user;
Utilize one to choose module supply user according to the dedusting position, choose signal to produce one; And
Choose an amplitude or the frequency that signal calculates vibration with controller basis, and control a vibration deduster one image sensor is vibrated dedusting.
Wherein, described method more comprises the following step:
Detect interchangeable lenses formula image capture unit when starting shooting with a detector, an assembled state of a pick-up lens of interchangeable lenses formula image capture unit; And
Determine interchangeable lenses formula image capture unit to carry out a normal running interface or described dedusting interface with controller according to assembled state.
At least one dirt pits position on the image sensor of wherein, dedusting position display interchangeable lenses formula image capture unit.
Wherein, described method more comprises the following step:
When continuing to choose the dedusting position by the user, the vibration deduster progressively strengthens amplitude or the frequency of vibration.
Wherein, described method more comprises the following step:
By the user finish to choose dedusting position or amplitude, when frequency reaches maximum, controller control vibration deduster stops to produce vibration; And
Provide the user to select to enter next dedusting interface or a normal running interface.
Wherein, described method more comprises the following step:
When whether the vibration dedusting of calculating the vibration deduster surpassed a Preset Time, if surpass Preset Time, then controller control vibration deduster stopped to produce vibration.
Wherein, choosing module is several control knobs that are arranged at a touch module of display unit or are arranged at interchangeable lenses formula image capture unit.
The invention has the beneficial effects as follows: from the above, according to the method for image capture unit of the present invention, dust pelletizing system and vibration dedusting thereof, it can have one or more following advantage:
(1) method of this image capture unit, dust pelletizing system and vibration dedusting thereof can show the dedusting position by screen, directly can choose the dedusting position that it desires dedusting for the user, the convenience during with the raising dedusting.
(2) method of this image capture unit, dust pelletizing system and vibration dedusting thereof can show the dedusting position by screen, chooses the dedusting position for the user, determines amplitude or the frequency of the vibration of its correspondence with this, can effectively promote the efficient of dedusting.
(3) method of this image capture unit, dust pelletizing system and vibration dedusting thereof can be by strengthening amplitude or the frequency of its vibration step by step in the process of dedusting, the time that is spent with effective minimizing dust removal process.
Description of drawings
Fig. 1 is the calcspar of image capture unit one embodiment of the present invention.
Fig. 2 is the schematic diagram of image capture unit one embodiment of the present invention.
Fig. 3 is the calcspar of another embodiment of image capture unit of the present invention.
Fig. 4 is the flow chart of another embodiment of image capture unit of the present invention.
Fig. 5 is the flow chart of vibration dust collection method of the present invention.
Drawing reference numeral: 1: image capture unit; 10: image sensor; 101: image signal; 11: the vibration deduster; 111: vibration; 1111: amplitude; 1112: frequency; 12: the optical element adapter; 13: detector; 131: detection signal; 14: the touch-control screen; 141: the dedusting position; 15: controller; 2: optical signal; 3: the optical element of removable formula; 40: the dedusting interface; 41: choose signal; S401～S414: flow process; S51～S53: step.
Embodiment
Auditor's effect of understanding technical characterictic of the present invention, content and advantage and can reaching for the benefit of, now with conjunction with figs. of the present invention, and be described in detail as follows with the expression-form of embodiment, and it is wherein employed graphic, its purport only is the usefulness of signal and aid illustration book, may not be the true ratio after the invention process and precisely configuration, thus should not understand with regard to appended graphic ratio and configuration relation, the interest field of limitation the present invention in reality enforcement, close chat earlier bright.
Image capture unit of the present invention can be interchangeable lenses formula camera or digital S.L.R etc., for ease of more understanding technical characterictic of the present invention, under be to be embodiment with interchangeable lenses formula camera, but actual exercisable category and not only being limited with this.
See also Fig. 1, it is the calcspar of image capture unit one embodiment of the present invention.As shown in the figure, image capture unit 1 of the present invention comprises: an image sensor 10, a vibration deduster 11, an optical element adapter 12, a detector 13, a touch-control screen 14 and a controller 15.Image sensor 10 receives an optical signal 2 and converts optical signal 2 to an image signal 101, it can be high-k metal gate devices (Complementary Metal-Oxide-Semiconductor, CMOS) or charge coupled cell (Charge-Coupled-Device, CCD), analogy/digital circuit, image processor etc.Vibration deduster 11 produces a vibration 111 so that image sensor 10 is carried out dedusting.Whether the optical element 3 of detector 13 detectings one removable formula is connected in optical element adapter 12, and produces a detection signal 131; Wherein the optical element of removable formula can be the pick-up lens of a kind of interchangeable lens formula camera (as the simple eye DSLR of number).Touch-control screen 14 show image signals 101, and supply a user to specify a dedusting position 141.
See also Fig. 2, it is the schematic diagram of image capture unit one embodiment of the present invention.As shown in the figure, image capture unit 1 of the present invention can be a kind of interchangeable lenses formula image capture unit.See also Fig. 1, in the present embodiment, image sensor 10 is receiving optical signal 2, and when converting optical signal 2 to image signal 101, because the dirt pits that adheres on the image sensor 10 has influenced original optical signal 2, so one or more dirt pits position of sticking also becomes the some of image signal 101 simultaneously.So touch-control screen 14 when show image signal 101, can show dirt pits position 141 simultaneously.And the user is using image capture unit 1 to vibrate in the process of dedusting, can be in touch-control screen 14 inspection dedusting positions 141.Also can press via user's finger owing to touch-control screen 14, and produce corresponding signal, so the user can quite directly press the dedusting position 141 on the touch-control screen 14.And controller 15 receives dedusting position 141, and determines to produce amplitude 1111 or the frequency 1112 of vibration 111 according to dedusting position 141.When controller 15 determines the amplitude 1111 of vibration 111 or frequency 1112, and 11 pairs of image sensors 10 of control vibration deduster vibrate according to this, so that dirt pits is via the mode and image sensor 10 disengagings of vibration.
See also Fig. 3, Fig. 4, Fig. 3 is the calcspar of another embodiment of image capture unit of the present invention; Fig. 4 is the flow chart of another embodiment of image capture unit of the present invention.This example is with aforementioned similar, and it does not similarly partly repeat them here.As shown in the figure, image capture unit 1 of the present invention comprises an image sensor 10, a vibration deduster 11, an optical element adapter 12, a detector 13, a dedusting interface 40 and a controller 15.Wherein dedusting interface 40 shows dedusting position 141 at a display unit, browses for the user.And the user can choose module by one and specify a dedusting position 141 according to dedusting interface 40, chooses signal 41 to produce one.Wherein, can utilize touch-control screen 14 with display unit with choose module and merge, perhaps can choose module and be set to several control knobs on the image capture unit 1, be as the aspect of demonstrating in this example with touch-control screen 14.
When the user presses the power button (not being illustrated among the figure) of image capture unit 1 so that image capture unit 1 when entering open state, detector 13 is detected the assembled state (as the S401 of Fig. 4) in when start, and it detects the optical element 3(pick-up lens of removable formula) whether be connected on the optical element adapter 12 and (be the assembled state of the optical element 3 of removable formula).The optical element 3 of detecting removable formula when detector 13 is connected in optical element adapter 12 when starting shooting, then produce a detection signal 131, and controller 15 makes image capture unit 1 enter a normal running interface (as the S403 of Fig. 4) (as making a video recording, browse image or editor's image etc.) according to detection signal 131.If when the optical element 3 of the removable formula of detector 13 detectings is not connected in optical element adapter 12 when starting shooting, can continue to detect till the optical element 3 of removable formula is connected to optical element adapter 12 (as the S402 of Fig. 4), and when the optical element 3 of removable formula is connected to optical element adapter 12, produce a detection signal 131, and this moment, controller 15 control image capture units 1 enter the S404 of dedusting interface 40(such as Fig. 4).
In dedusting interface 40, touch-control screen 14 can demonstrate corresponding to the dedusting position 141(of one or more dirt pits position such as the S405 of Fig. 4 on the image sensor 10 in the mode of live view (Live View)), the user can be in touch-control screen 14 inspection dedusting positions 141, and press to specify dedusting position 141 via user's finger, and produce the corresponding S407 that chooses signal 41(such as Fig. 4).Wherein it should be noted that if touch-control screen 14 continues to show dedusting position 141 to one Preset Times (for example 1 or 2 minute), and the user do not have and carry out any action of choosing, 15 control of controller image capture unit 1 enters a normal running interface; Or be, when touch-control screen 14 continues to show that dedusting position 141 is in a Preset Time, pressing by a default button (not being illustrated among the figure) to make image capture unit 1 enter a normal running interface (as the S406 of Fig. 4), in the present embodiment, be to press by default button to enter the normal running interface as the demonstration aspect.
Choose signal 41 when controller 15 receives, and determine vibration dedusters 11 to produce the amplitude 1111 of corresponding vibration 111 or the S408 of frequency 1112(such as Fig. 4 according to choosing signal 41); And controller 15 is controlled 11 pairs of image sensors 10 of vibration deduster according to this and is vibrated dedusting (as the S409 of Fig. 4).At this moment, if the user continue to specify dedusting position 141 to choose signal 41 with the generation that continues, 15 control vibrations of controller deduster 11 strengthens 111 the amplitude 1111 vibrated or the S411 of frequency 1112(such as Fig. 4 step by step).Wherein when vibration 111 amplitude 1111 or frequency 1112 reach maximum (as the S410 of Fig. 4), controller 15 control vibration dedusters 11 stop to produce the S412 of vibration 111(such as figure).That is to say, when amplitude 1111 or frequency 1112 with suitable vibration 111 are vibrated dedusting, and progressively be enhanced to maximum, the dirt pits on the image sensor 10 is broken away from; The adhesive force of namely representing described dirt pits is stronger, and must must use manual mode to carry out dedusting; Given this, thus the electric power of image capture unit 1 need not further be spent again, so that described dirt pits is vibrated dedusting.Again, stop to specify the S410 of dedusting position 141(such as Fig. 4 as the user), may represent relevant actions such as dirt pits on the image sensor 10 has broken away from or the user has desired to make a video recording, so controller 15 control vibration dedusters 11 stop producing the S412 of the described 111(of vibration such as Fig. 4).
Give birth to described vibration 111 when vibration deduster 11 stops production, at this moment, touch-control screen 14 shows dedusting positions 141, specifies next dirt pits position (as the S413 of Fig. 4) for the user, and then again image sensor 10 is vibrated dedusting.Wherein the user also can make image capture unit 1 leave dedusting interface 40 via default button and enter the normal running interface.Moreover, if when dust removal process surpasses a Preset Time (as the S414 of Fig. 4), enter the normal running interface, this can prevent that the user is under the non-transformer supply can the environment to image capture unit 1, use too much electric power to carry out dedusting, can not carry out normal shooting action on the contrary.Wherein, it should be noted that this moment its can be set at, surpass a Preset Time if touch-control screen 14 shows dedusting positions 141, and described user do not carry out any operation, then described image capture unit 1 enters the normal running interface.
See also Fig. 5, it is the flow chart of vibration dust collection method of the present invention.As shown in the figure, vibration dust collection method of the present invention, it is applicable to an image capture unit, it can be a kind of interchangeable lens formula image capture unit, and described image capture unit comprises an image sensor, a vibration deduster, an optical element adapter, a detector, a dedusting interface and a controller.The vibration dust collection method of image capture unit comprises the following step:
S51: be shown on the display unit by a dedusting interface, browse a dedusting position for a user;
S52: utilize one to choose module supply user according to the dedusting position, choose signal to produce one; And
S53: choose an amplitude or the frequency that signal calculates vibration with controller basis, and control a vibration deduster one image sensor is vibrated dedusting.
Described when the detailed description of the vibration dust collection method of image capture unit of the present invention and execution mode are narrated image capture unit of the present invention in front, at this for just no longer narration of schematic illustration.
In sum, image capture unit proposed by the invention, dust pelletizing system and vibration dust collection method thereof can show the dedusting position by screen, confirm the dirt pits position easily for the user, and directly can specify its dedusting position of desiring dedusting, this mode can allow the user save to confirm repeatedly the dirt pits position the time ask.Then, controller is just according to amplitude or the frequency of the vibration of its correspondence of dedusting determining positions, and strengthens the amplitude of its vibration or frequency step by step to vibrate dedusting in the process of dedusting.Wherein determine and can effectively vibrate the suitable amplitude of vibration of dedusting or suitable frequency to described dirt pits position with controller, and enhancing progressively, can not waste under the too much electric power situation as far as possible, efficiently carry out dedusting.
The above only is illustrative, but not is restricted person.Anyly do not break away from spirit of the present invention and category, and to its equivalent modifications of carrying out or change, all should be contained in the accompanying Claim book.
Claims (19)
1. image capture unit is characterized in that it comprises:
One image sensor receives an optical signal and converts described optical signal to an image signal;
One vibration deduster produces a vibration so that described image sensor is carried out dedusting;
One optical element adapter;
One detector, whether the optical element of detecting a removable formula is connected in described optical element adapter, and produces a detection signal;
One touch-control screen shows described image signal, and specifies a dedusting position for a user; And
One controller receives described detection signal entering a dedusting pattern, or a frequency or an amplitude of the described vibration that produces according to the described vibration deduster of described dedusting Position Control.
2. image capture unit according to claim 1 is characterized in that, when described user continued to specify described dedusting position, described controller was controlled described vibration deduster and progressively strengthened described amplitude or described frequency.
3. image capture unit according to claim 1 is characterized in that, when described controller was controlled described vibration deduster and carried out dedusting and surpass a Preset Time, then described controller was controlled described vibration deduster and stopped to produce described vibration.
4. image capture unit according to claim 1 is characterized in that, when described user finished to specify described dedusting position or described amplitude or described frequency to reach maximum, described controller was controlled described vibration deduster and stopped to produce described vibration.
5. a dust pelletizing system is applicable to an interchangeable lenses formula image capture unit, it is characterized in that it comprises:
One vibration deduster produces a vibration and carries out dedusting with the image sensor to described interchangeable lenses formula image capture unit;
One dedusting interface is shown on the display unit and browses a dedusting position for a user;
One chooses module, for the described dedusting position of described user according to described dedusting interface, chooses signal to produce one; And
One controller is chosen an amplitude or the frequency that signal calculates described vibration according to described, and uses the described vibration shock eliminator of control and vibrate dedusting.
6. dust pelletizing system according to claim 5 is characterized in that, more comprises a detector, detects described interchangeable lenses formula image capture unit when start, an assembled state of a pick-up lens of described interchangeable lenses formula image capture unit.
7. dust pelletizing system according to claim 6 is characterized in that, described controller determines described interchangeable lenses formula image capture unit to carry out a normal running interface or described dedusting interface according to described assembled state.
8. dust pelletizing system according to claim 5 is characterized in that, at least one dirt pits position on the described image sensor of the described interchangeable lenses formula of described dedusting position display image capture unit.
9. dust pelletizing system according to claim 5 is characterized in that, when described user continued to choose described dedusting position, described controller was controlled described vibration deduster and progressively strengthened described amplitude and described frequency.
10. dust pelletizing system according to claim 5 is characterized in that, when described user finish to choose described dedusting position or described amplitude, when described frequency reaches maximum, described controller is controlled described vibration deduster and is stopped to produce described vibration.
11. dust pelletizing system according to claim 5 is characterized in that, when the vibration dedusting of described vibration deduster surpassed a Preset Time, described controller was controlled described vibration deduster and is stopped to produce described vibration.
12. dust pelletizing system according to claim 5 is characterized in that, the described module of choosing is several control knobs that are arranged at a touch module of described display unit or are arranged at described interchangeable lenses formula image capture unit.
13. a method of vibrating dedusting is applicable to an interchangeable lenses formula image capture unit, it is characterized in that the method for described vibration dedusting comprises the following step:
Be shown on the display unit by a dedusting interface, browse a dedusting position for a user;
Utilize one to choose module and supply with described user according to described dedusting position, choose signal to produce one; And
Choose an amplitude or the frequency that signal calculates a vibration with a controller according to described, and control a vibration deduster one image sensor is vibrated dedusting.
14. method according to claim 13 is characterized in that, more comprises the following step:
Detect described interchangeable lenses formula image capture unit when starting shooting with a detector, an assembled state of a pick-up lens of described interchangeable lenses formula image capture unit; And
Determine described interchangeable lenses formula image capture unit to carry out a normal running interface or described dedusting interface with described controller according to described assembled state.
15. method according to claim 13 is characterized in that, at least one dirt pits position on the described image sensor of the described interchangeable lenses formula of described dedusting position display image capture unit.
16. method according to claim 13 is characterized in that, more comprises the following step:
When continuing to choose described dedusting position by described user, described vibration deduster progressively strengthens described amplitude or the described frequency of described vibration.
17. method according to claim 13 is characterized in that, more comprises the following step:
When finishing to choose described dedusting position or described amplitude or described frequency and reach maximum by described user, described controller is controlled described vibration deduster and is stopped to produce described vibration; And
Provide described user to select to enter next described dedusting interface or a normal running interface.
18. method according to claim 13 is characterized in that, more comprises the following step:
Whether the vibration dedusting of calculating described vibration deduster surpasses a Preset Time;
If surpass described Preset Time, described controller is controlled described vibration deduster and is stopped to produce described vibration.
19. method according to claim 13 is characterized in that, the described module of choosing is several control knobs that are arranged at a touch module of described display unit or are arranged at described interchangeable lenses formula image capture unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201210001924.4A CN103200353B (en) | 2012-01-05 | 2012-01-05 | The method of image capture unit, dust pelletizing system and vibrating dust removing thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210001924.4A CN103200353B (en) | 2012-01-05 | 2012-01-05 | The method of image capture unit, dust pelletizing system and vibrating dust removing thereof |
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| WO2019084839A1 (en) * | 2017-11-01 | 2019-05-09 | 腾讯科技（深圳）有限公司 | Virtual reality terminal device, dust removing method, and non-volatile storage medium |
| CN115061535A (en) * | 2022-06-02 | 2022-09-16 | 杭州逗酷软件科技有限公司 | Electronic device |
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| CN1834773A (en) * | 2005-03-16 | 2006-09-20 | 奥林巴斯映像株式会社 | Optical apparatus with dust reduction capability |
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| US20080068488A1 (en) * | 2006-09-05 | 2008-03-20 | Sumio Kawai | Digital camera and dust reduction apparatus for digital camera |
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| WO2019084839A1 (en) * | 2017-11-01 | 2019-05-09 | 腾讯科技（深圳）有限公司 | Virtual reality terminal device, dust removing method, and non-volatile storage medium |
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| CN103200353B (en) | 2016-06-08 |
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