CN205051782U - Burnt adjustment mechanism in back and camera device - Google Patents
Burnt adjustment mechanism in back and camera device Download PDFInfo
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- CN205051782U CN205051782U CN201520828886.9U CN201520828886U CN205051782U CN 205051782 U CN205051782 U CN 205051782U CN 201520828886 U CN201520828886 U CN 201520828886U CN 205051782 U CN205051782 U CN 205051782U
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- control chip
- imageing sensor
- governor motion
- telecommunication
- signal
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Abstract
The utility model discloses a burnt adjustment mechanism in back and camera device, the burnt adjustment mechanism in back is including two filter modules, image sensor, drive arrangement and control chip, control chip exports first drive signal to the drive arrangement that predetermines, and drive arrangement is according to the first drive signal of predetermineeing drive image sensor to the first position of predetermineeing to make image sensor receive and come from the visible light light through two filter modules in the first position of predetermineeing, drive signal to drive arrangement is predetermine to control chip output second, and drive arrangement predetermines drive signal drive image sensor according to the second and predetermines the position to the second to it comes from the infrared light light through two filter modules to make image sensor predetermine the position receipt at the second. The utility model discloses a work of electric signal control drive arrangement is predetermine in control chip output to drive image sensor lies in predetermined position respectively when forming images at daytime and night, realized the equal function of day night camera lens, and low cost, and simple operation can realize the automatic switch -over.
Description
Technical field
The utility model relates to the camera technique field for day and night monitoring, particularly burnt governor motion and camera head after one.
Background technology
For the pick-up lens monitored according to the difference of suitable environment, non-day and night type camera lens and day and night type camera lens can be divided into.Day and night type camera lens needs plated film and higher to the required precision of assembly technology due to eyeglass, causes its price high, therefore, has occurred rear burnt governor motion on the market, to enable the non-day and night type camera lens of relative low price replace day and night type camera lens.
At present, rear burnt governor motion is mainly based on two kinds of principles, and one is that another kind is by close-burning structure after filter compensation adjustment by close-burning structure after graphical analysis adjustment.But, graphical analysis adjustment after close-burning structure can only accomplish day and night for the non-day and night camera lens focused, and cannot be real-time to change image make accurate and clear location.Although close-burning structure does not exist above-mentioned defect after filter compensates, it is very high to the data demand compensated, and precision reaches micron order, and result in it must carry out minimum mass customized and debugging according to the concrete specification of camera lens, cannot promote in enormous quantities.Therefore, market is badly in need of a kind of with low cost, rear lens focus governor motion that simple operation precision is high.
Utility model content
Main purpose of the present utility model is to provide a kind of rear burnt governor motion, is intended to the cost reducing rear burnt governor motion, and improves operating comfort.
For achieving the above object, the rear burnt governor motion that the utility model proposes, for regulating the back focal length of camera head, described rear burnt governor motion comprises two filter module, imageing sensor, the drive unit that is connected with described imageing sensor, and the control chip be connected with described drive unit; Described control chip exports first and presets drive singal to described drive unit, described drive unit is preset drive singal according to described first and is driven described imageing sensor to the first predeterminated position, receives from the visible light ray by described pair of filter module at described first predeterminated position to make described imageing sensor; Described control chip exports second and presets drive singal to described drive unit, described drive unit is preset drive singal according to described second and is driven described imageing sensor to the second predeterminated position, receives from the infrared light light by described pair of filter module at described second predeterminated position to make described imageing sensor.
Preferably, described imageing sensor is electrically connected with described control chip, described imageing sensor environmentally light intensity exports the first switching signal of telecommunication and the second switching signal of telecommunication extremely described control chip respectively, described control chip switches the signal of telecommunication according to described first and exports the described first default drive singal, and described control chip also switches signal of telecommunication output described second according to described second and presets drive singal.
Preferably, described rear burnt governor motion also comprises hand switch, and described hand switch is connected with described control chip; Described hand switch exports first and switches the signal of telecommunication and the second switching signal of telecommunication extremely described control chip, described control chip switches the signal of telecommunication according to described first and exports the described first default drive singal, and described control chip also switches signal of telecommunication output described second according to described second and presets drive singal.
Preferably, described rear burnt governor motion also comprises the timer be electrically connected with described control chip, described timer exports first according to the first Preset Time and switches the signal of telecommunication to described control chip, and described control chip switches signal of telecommunication output described first according to described first and presets drive singal; Described timer also exports second according to the second Preset Time and switches the signal of telecommunication to described control chip, and described control chip also switches signal of telecommunication output described second according to described second and presets drive singal.
Preferably, the transmission mechanism that described drive unit comprises stepping motor and is fixedly connected with the output shaft of described stepping motor, described transmission mechanism is connected with described imageing sensor.
Preferably, described transmission mechanism comprises the travelling gear be fixedly connected with the output shaft of described stepping motor and the driving member engaged with described travelling gear, and described driving member is connected with described imageing sensor.
Preferably, described drive unit also comprises the strutting piece for installing described stepping motor, and described stepping motor is fixed on described strutting piece.
Preferably, described drive unit also comprises the guide pillar for guiding described imageing sensor to move, and described guide pillar is fixedly connected with described strutting piece.
The utility model also proposes a kind of camera head, described camera head comprises main frame, and the rear burnt governor motion to be connected with described main frame, described rear burnt governor motion comprises two filter module, imageing sensor, the drive unit that is connected with described imageing sensor, and the control chip be connected with described drive unit; Described control chip exports first and presets drive singal to described drive unit, described drive unit is preset drive singal according to described first and is driven described imageing sensor to the first predeterminated position, receives from the visible light ray by described pair of filter module at described first predeterminated position to make described imageing sensor; Described control chip exports second and presets drive singal to described drive unit, described drive unit is preset drive singal according to described second and is driven described imageing sensor to the second predeterminated position, receives from the infrared light light by described pair of filter module at described second predeterminated position to make described imageing sensor.
The rear burnt governor motion that the utility model provides and camera head, export the first default drive singal and second respectively by control chip and preset drive singal to drive unit, drive unit is preset drive singal according to first and is driven imageing sensor to the first predeterminated position, make imageing sensor can receive from by the visible light ray of two filter module and focus at the first predeterminated position, thus can be used in imaging on daytime; Drive unit is also preset drive singal according to second and is driven imageing sensor to the second predeterminated position, make imageing sensor can the second predeterminated position receive from by two filter module based on all light of infrared light light, and infrared light focus on the image sensor, thus can be used in night even.The rear burnt governor motion that the utility model provides is exported by control chip and presets the work of signal of telecommunication accessory drive, with drive imageing sensor by day with lay respectively at default position during night even, thus achieve the same function of day and night camera lens, not only with low cost, and simple operation, can realize automatically switching.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, the structure according to these accompanying drawings can also obtain other accompanying drawing.
Fig. 1 is the structural representation of burnt governor motion one embodiment after the utility model;
Fig. 2 is index path when burnt governor motion works by day after the utility model;
Fig. 3 is light path comparison diagram when burnt governor motion works with night by day after the utility model;
Fig. 4 is the structural representation of burnt governor motion when night works after the utility model.
Drawing reference numeral illustrates:
| Label | Title | Label | Title |
| 10 | Imageing sensor | 21 | Stepping motor |
| 22 | Transmission mechanism | 23 | Strutting piece |
| 24 | Guide pillar | 30 | Two filter module |
The realization of the utility model object, functional characteristics and advantage will in conjunction with the embodiments, are described further with reference to accompanying drawing.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only a part of embodiment of the present utility model, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Need explanation, all directivity instruction (such as up, down, left, right, before and afters in the utility model embodiment ...) only for explaining the relative position relation, motion conditions etc. under a certain particular pose (as shown in drawings) between each parts, if when this particular pose changes, then directionality instruction also correspondingly changes thereupon.
In addition, in the utility model, relate to the description of " first ", " second " etc. only for describing object, and instruction can not be interpreted as or imply its relative importance or the implicit quantity indicating indicated technical characteristic.Thus, be limited with " first ", the feature of " second " can express or impliedly comprise at least one this feature.In addition; technical scheme between each embodiment can be combined with each other; but must be can be embodied as basis with those of ordinary skill in the art; when technical scheme combination occur conflicting maybe cannot realize time people should think that the combination of this technical scheme does not exist, also not the utility model require protection range within.
The utility model proposes a kind of rear burnt governor motion, this rear burnt governor motion is for regulating the back focal length of camera head.This camera head can be applied to monitoring field, such as, can be applied to safe city, forest fire protection or marine monitoring field etc.
With reference to the structural representation that Fig. 1, Fig. 1 are burnt governor motion one embodiment after the utility model.
In the utility model embodiment, this rear burnt governor motion comprises two filter module 30 (not indicating in figure), imageing sensor 10, the drive unit (not shown) that is connected with described imageing sensor 10, and the control chip (not shown) be connected with described drive unit; Described control chip exports first and presets drive singal to described drive unit, described drive unit is preset drive singal according to described first and is driven described imageing sensor 10 to the first predeterminated position, receives the visible light ray from described pair of filter module 30 to make described imageing sensor 10 at described first predeterminated position; Described control chip exports second and presets drive singal to described drive unit, described drive unit is preset drive singal according to described second and is driven described imageing sensor 10 to the second predeterminated position, receives the infrared light light from described pair of filter module 30 to make described imageing sensor 10 at described second predeterminated position.
In the present embodiment, two filter module 30 can be the two filter of IR-CUT, and the two filter of IR-CUT is made up of cutoff filter, full impregnated spectral filter and power unit, wherein, cutoff filter is used for imaging on daytime, and full impregnated spectral filter is used in night even; Power unit can be electromagnetic structure, motor or other power sources, for controlling the switching between cutoff filter and full impregnated spectral filter, controls cutoff filter work time namely by day, controls the work of full impregnated spectral filter when night.After the infrared induction point outside camera head lens detects the power change of light, the two filter of IR-CUT can, according to the power automatic switchover filter of extraneous light, make image reach optimum efficiency.Namely, by day or under night, the two filter of IR-CUT can automatically switch filter, makes can obtain optimal imaging effect with night by day.
Time by day, two filter module 30 switches to cutoff filter work, and above-mentioned first predeterminated position is back focal length focal position during cutoff filter work.Time at night, two filter module 30 switches to the work of full impregnated spectral filter, and above-mentioned second predeterminated position is the back focal length focal position during work of full impregnated spectral filter.Preferably, the distance between the first predeterminated position and the second predeterminated position can be 0.1 to 0.2mm.
Above-mentioned control chip can have memory function, can remember the first predeterminated position and the second predeterminated position.Time by day, control chip can export first and preset drive singal, drives imageing sensor 10 to move to the first predeterminated position to make drive unit; Time at night, control chip can export second and preset drive singal, drives imageing sensor 10 to make drive unit.
The principle of above-mentioned rear burnt governor motion is as follows: with reference to Fig. 2, Fig. 2 is index path when burnt governor motion works by day after the utility model, now two filter module 30 switches to cutoff filter work, imageing sensor 10 is positioned at the first predeterminated position, visible ray by after cutoff filter in imageing sensor 10 focus.With reference to Fig. 3, Fig. 3 is light path comparison diagram when burnt governor motion works with night by day after the utility model, visible, the focal position that infrared light is corresponding is positioned at the right side of focal position corresponding to visible ray, and the focal position that namely infrared light the is corresponding focal position more corresponding than visible ray is farther.With reference to Fig. 4, Fig. 4 is the structural representation of burnt governor motion when night works after the utility model, visible, now imageing sensor 10 is positioned at the second predeterminated position, two filter module 30 switches to the work of full impregnated spectral filter, infrared light by after full impregnated spectral filter in imageing sensor 10 focus.Fig. 4 is compared to Fig. 2, and imageing sensor 10 by moving right, thus makes imageing sensor 10 can in focal position focus corresponding to infrared light.In like manner, when switching to daytime by night, imageing sensor 10, can in focal position focus corresponding to visible ray by being moved to the left, thus make this rear burnt governor motion can by day with lay respectively at default position during night even, and focus respectively.
The rear burnt governor motion that the utility model provides, export the first default drive singal and second respectively by control chip and preset drive singal to drive unit, drive unit is preset drive singal according to first and is driven imageing sensor 10 to the first predeterminated position, imageing sensor 10 can be received by the visible light ray of two filter module 30 at the first predeterminated position and with imageing sensor focus, thus can be used in imaging on daytime; Drive unit is also preset drive singal according to second and is driven imageing sensor 10 to the second predeterminated position, make imageing sensor 10 can the second predeterminated position receive from by the infrared light light of two filter module 30 and with imageing sensor focus, thus can be used in night even.The rear burnt governor motion that the utility model provides is exported by control chip and presets the work of signal of telecommunication accessory drive, with drive imageing sensor 10 by day with lay respectively at default position during night even, thus achieve day and night lens effect, not only with low cost, and simple operation, can realize automatically switching.
Above-mentioned control chip exports the first mode presetting drive singal and the second default drive singal and can adopt following several:
Mode one, described imageing sensor 10 is electrically connected with described control chip, described imageing sensor 10 environmentally light intensity exports the first switching signal of telecommunication and the second switching signal of telecommunication extremely described control chip respectively, described control chip switches the signal of telecommunication according to described first and exports the described first default drive singal, and described control chip also switches signal of telecommunication output described second according to described second and presets drive singal.
Due to imageing sensor 10 can by day or night arrives time environmentally light intensity export first switch the signal of telecommunication and second switch the signal of telecommunication, such as, first switches the signal of telecommunication can for exporting when daytime switched to night, and second switches the signal of telecommunication can for exporting when night switched to daytime.
Imageing sensor 10 is also electrically connected with two filter module 30, and export the first switching signal of telecommunication and the extremely two filter module 30 of the second switching signal of telecommunication, switch the signal of telecommunication for two filter module 30 according to first and automatically complete switching between cutoff filter to full impregnated spectral filter, and switch the signal of telecommunication according to second and automatically complete switching between full impregnated spectral filter to cutoff filter.
Control chip switches the signal of telecommunication according to first and exports the first default drive singal, and drive unit drives imageing sensor 10 to move to the first predeterminated position, thus makes back focal length focus, obtains colored picture rich in detail.When arriving night, control chip switches the signal of telecommunication according to second and exports the second default drive singal, and drive unit drives imageing sensor 10 to move to the second predeterminated position, thus makes back focal length focus, obtains black and white screen clearly.When drive unit drives imageing sensor 10 switching position, be consuming timely only about 0.3 second.Meanwhile, two filter module 30 also switches between cutoff filter and full impregnated spectral filter, consuming timely be greater than 0.3 second, therefore, the rear burnt governor motion that the present embodiment provides, when the position of carrying out imageing sensor 10 switches, switch speed is very fast, on the video exported without any adjustment picture occur.
Mode two, described rear burnt governor motion also comprises hand switch, and described hand switch is connected with described control chip; Described hand switch exports first and switches the signal of telecommunication and the second switching signal of telecommunication extremely described control chip, described control chip switches the signal of telecommunication according to described first and exports the described first default drive singal, and described control chip also switches signal of telecommunication output described second according to described second and presets drive singal.
In the present embodiment, described hand switch can be instruction repertorie, button, button, touch control etc., specifically can arrange according to actual needs.User can hand switch described in manual triggers, and such as, when button is in pressed state, button can export the first switching signal of telecommunication, button be in upspring state time, button can export the second switching signal of telecommunication; Or two can be arranged and touch control, when triggering first touches control, then export first and switch the signal of telecommunication, when triggering second touches control, then export second and switch the signal of telecommunication.
In the manner, control chip with reference to aforesaid way one, can not repeat them here according to the concrete mode that first switches the signal of telecommunication and the second switching signal of telecommunication control chart image-position sensor 10 switching position.
Mode three, described rear burnt governor motion also comprises the timer be electrically connected with described control chip, described timer exports first according to the first Preset Time and switches the signal of telecommunication to described control chip, and described control chip switches signal of telecommunication output described first according to described first and presets drive singal; Described timer also exports second according to the second Preset Time and switches the signal of telecommunication to described control chip, and described control chip also switches signal of telecommunication output described second according to described second and presets drive singal.
In the present embodiment, by artificial setting the first Preset Time and the second Preset Time, switching instant when arriving a daytime and a switching instant arrived night namely can artificially be defined; Can also from trend Network Capture daytime to switching instant and the switching instant to arrive night.The switching instant that daytime arrives such as can for carve at sunrise, and the switching instant that night arrives such as can for carve at sunset.
When arrival the first Preset Time, then timer exports the first switching signal of telecommunication, and controller switches the signal of telecommunication according to first and exports the first default drive singal, and drive unit drives imageing sensor 10 to move to the first predeterminated position, thus make back focal length focus, obtain colored picture rich in detail.At arrival second Preset Time be, then timer exports the second switching signal of telecommunication, and controller switches the signal of telecommunication according to second and exports the second default drive singal, and drive unit drives imageing sensor 10 to move to the second predeterminated position, thus make back focal length focus, obtain black and white screen clearly.The rear burnt governor motion that the present embodiment provides, automatically the position switching of imageing sensor 10 can be completed according to the time, thus can more accurately by day or night arrives time complete switching between day and night pattern, make imaging effect better, adaptively can to switch according to the time.
Above-mentioned drive unit can be electromagnetic mechanism, motor or other power sources.Preferably, in the present embodiment, the transmission mechanism 22 that described drive unit comprises stepping motor 21 and is fixedly connected with the output shaft of described stepping motor 21, described transmission mechanism 22 is connected with described imageing sensor 10.More preferably, described transmission mechanism 22 comprises the travelling gear be fixedly connected with the output shaft of described stepping motor 21 and the driving member engaged with described travelling gear, and described driving member is connected with described imageing sensor 10.In the present embodiment, during the output shaft rotation of stepping motor 21, rotational motion is converted to rectilinear motion by transmission mechanism 22, thus drives imageing sensor 10 to do rectilinear motion, moves between the first predeterminated position and the second predeterminated position to drive imageing sensor 10.Not only switch speed is fast, and precision is higher, achieves seamless switching.
More preferably, described drive unit also comprises the strutting piece 23 for installing described stepping motor 21, and described stepping motor 21 is fixed on described strutting piece 23, thus makes motor operationally more firm, further increases switching precision.
More preferably, described drive unit also comprises the guide pillar 24 for guiding described imageing sensor 10 to move, and described guide pillar 24 is fixedly connected with described strutting piece 23.Preferably, one fixed head can be set, imageing sensor 10 is fixed on described fixed head, fixed head can be provided with guide groove, and guide pillar 24 runs through described guide groove, when driving mechanism drives imageing sensor 10 to move, guide pillar 24 can slide along guide groove, namely fixed head is along slide, thus makes imageing sensor 10 can more accurate shift position, further increases switching precision.
The utility model also proposes a kind of camera head, the concrete structure of this camera head is with reference to above-described embodiment, because camera head of the present utility model have employed the whole technical schemes about rear burnt governor motion in above-mentioned all embodiments, therefore all beneficial effects that the technical scheme having above-described embodiment is equally brought, this is no longer going to repeat them.
The foregoing is only preferred embodiment of the present utility model; not thereby the scope of the claims of the present utility model is limited; every under inventive concept of the present utility model; utilize the equivalent structure transformation that the utility model specification and accompanying drawing content are done, or directly/be indirectly used in other relevant technical fields to include in scope of patent protection of the present utility model.
Claims (9)
1. burnt governor motion after a kind, for regulating the back focal length of camera head, it is characterized in that, described rear burnt governor motion comprises two filter module, imageing sensor, the drive unit that is connected with described imageing sensor, and the control chip be connected with described drive unit; Described control chip exports first and presets drive singal to described drive unit, described drive unit is preset drive singal according to described first and is driven described imageing sensor to the first predeterminated position, receives from the visible light ray by described pair of filter module at described first predeterminated position to make described imageing sensor; Described control chip exports second and presets drive singal to described drive unit, described drive unit is preset drive singal according to described second and is driven described imageing sensor to the second predeterminated position, receives from the infrared light light by described pair of filter module at described second predeterminated position to make described imageing sensor.
2. rear burnt governor motion as claimed in claim 1, it is characterized in that, described imageing sensor is electrically connected with described control chip, described imageing sensor environmentally light intensity exports the first switching signal of telecommunication and the second switching signal of telecommunication extremely described control chip respectively, described control chip switches the signal of telecommunication according to described first and exports the described first default drive singal, and described control chip also switches signal of telecommunication output described second according to described second and presets drive singal.
3. rear burnt governor motion as claimed in claim 1, it is characterized in that, described rear burnt governor motion also comprises hand switch, and described hand switch is connected with described control chip; Described hand switch exports first and switches the signal of telecommunication and the second switching signal of telecommunication extremely described control chip, described control chip switches the signal of telecommunication according to described first and exports the described first default drive singal, and described control chip also switches signal of telecommunication output described second according to described second and presets drive singal.
4. rear burnt governor motion as claimed in claim 1, it is characterized in that, described rear burnt governor motion also comprises the timer be electrically connected with described control chip, described timer exports first according to the first Preset Time and switches the signal of telecommunication to described control chip, and described control chip switches signal of telecommunication output described first according to described first and presets drive singal; Described timer also exports second according to the second Preset Time and switches the signal of telecommunication to described control chip, and described control chip also switches signal of telecommunication output described second according to described second and presets drive singal.
5. rear burnt governor motion as claimed in claim 1, it is characterized in that, the transmission mechanism that described drive unit comprises stepping motor and is fixedly connected with the output shaft of described stepping motor, described transmission mechanism is connected with described imageing sensor.
6. rear burnt governor motion as claimed in claim 5, it is characterized in that, described transmission mechanism comprises the travelling gear be fixedly connected with the output shaft of described stepping motor and the driving member engaged with described travelling gear, and described driving member is connected with described imageing sensor.
7. rear burnt governor motion as claimed in claim 6, it is characterized in that, described drive unit also comprises the strutting piece for installing described stepping motor, and described stepping motor is fixed on described strutting piece.
8. rear burnt governor motion as claimed in claim 7, it is characterized in that, described drive unit also comprises the guide pillar for guiding described imageing sensor to move, and described guide pillar is fixedly connected with described strutting piece.
9. a camera head, is characterized in that, described camera head comprises main frame, and the rear burnt governor motion be connected with described main frame, and described rear burnt governor motion is the rear burnt governor motion such as according to any one of claim 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520828886.9U CN205051782U (en) | 2015-10-22 | 2015-10-22 | Burnt adjustment mechanism in back and camera device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520828886.9U CN205051782U (en) | 2015-10-22 | 2015-10-22 | Burnt adjustment mechanism in back and camera device |
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| CN205051782U true CN205051782U (en) | 2016-02-24 |
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| CN201520828886.9U Expired - Fee Related CN205051782U (en) | 2015-10-22 | 2015-10-22 | Burnt adjustment mechanism in back and camera device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105262940A (en) * | 2015-10-22 | 2016-01-20 | 深圳赋远科技有限公司 | Back focus adjustment mechanism and photographic device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105262940A (en) * | 2015-10-22 | 2016-01-20 | 深圳赋远科技有限公司 | Back focus adjustment mechanism and photographic device |
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