CN205142363U - Subassembly of making a video recording - Google Patents
Subassembly of making a video recording Download PDFInfo
- Publication number
- CN205142363U CN205142363U CN201520992202.9U CN201520992202U CN205142363U CN 205142363 U CN205142363 U CN 205142363U CN 201520992202 U CN201520992202 U CN 201520992202U CN 205142363 U CN205142363 U CN 205142363U
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- radiating shell
- camera body
- cavity
- type circle
- camera
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Abstract
The utility model discloses a subassembly of making a video recording, including the camera body, still include the radiating shell, the beta -barrel structure of radiating shell for being provided with the cavity on it, the camera body is fixed in in the cavity, still be provided with a plurality of radiating fin on the outside of radiating shell, still include sealing ring, it has O type circle to go back the centre gripping between sealing ring and the radiating shell, still include guard shield and the cooling fan of position for radiating shell rigidity, it has the heat conduction silicone grease still to fill in the clearance. The utility model discloses not only can can also alleviate the interference of eliminating the natural cause and normally working to the camera body for the camera body provides the protection, this subassembly of making a video recording assembles, maintains the convenience simultaneously, and heat dispersion is good.
Description
Technical field
The utility model relates to monitoring equipment field, particularly relates to a kind of camera assembly.
Background technology
Along with society development and science and technology progress, increasing place starts to install watch-dog, in order to from motion tracking and monitoring personal safety as well as the property safety.Monitoring camera mostly is semiconductor imager material, and its highly sensitive, anti-high light had, distort little, the advantage such as volume is little, the life-span is long, anti-vibration, further serves impetus to its universal utilization.The intelligent monitor system of existing China has also developed into can realize object identification, identification of crossing the border, track following, object are left over or lose judgement, Car license recognition, speed of a motor vehicle identification, quantitative statistics, drive in the wrong direction the technological layers such as warning or warnings, social abnormal behaviour judgement, and the basis of above technology realization is also depend on the networking of video camera, high Qinghua and cost degradation.
Along with high Qinghua and the functional diversities of video camera, the caloric value being built in various chip in video camera or circuit is also increasing.Life-span of electronic component and performance in above heat effects video camera, it is aging that electronic component is accelerated in the most outstanding performance exactly, affects the normal life cycle of video camera, causes CCD chip to produce fault etc.The heat dissipation design of further optimization existing network video camera, can promote video camera in social production and the utilization in living undoubtedly further and embody the had value of video camera wherein.
Utility model content
For above-mentioned high Qinghua along with video camera and functional diversities, the caloric value being built in various chip in video camera or circuit is also increasing.Life-span of electronic component and performance in above heat effects video camera, it is aging that electronic component is accelerated in the most outstanding performance exactly, affects the normal life cycle of video camera, causes CCD chip to produce fault etc.The heat dissipation design of further optimization existing network video camera, can promote that video camera is in social production and the utilization in life and the problem embodying the had value of video camera wherein undoubtedly further, the utility model provides a kind of camera assembly.
For the problems referred to above, a kind of camera assembly that the utility model provides is achieved the goal by following technical essential: a kind of camera assembly, comprise camera body, also comprise radiating shell, described radiating shell is the barrel-like structure being provided with cavity, and described camera body is fixed in described cavity, and the shooting end of camera body is positioned at the openend of described cavity, between camera body and cavity chamber wall, there is gap, the outside of radiating shell is also provided with multiple radiating fin;
Also comprise the Sealing shield ring be fixed on radiating shell, described Sealing shield ring in the form of a ring and be positioned on the openend of described cavity, O type circle is also clamped with between Sealing shield ring and radiating shell, at described Sealing shield ring and radiating shell under the compression of O type circle, the internal face of described O type circle contacts with the outside wall surface of camera body, makes O type circle form sealing to the openend in described gap;
Also comprise the position guard shield fixing relative to radiating shell position and cooling fan, within described cooling fan and radiating shell are all positioned at the shaded areas of described guard shield;
Also heat-conducting silicone grease is filled with in described gap.
Concrete, cavity on above radiating shell is as the accommodation space of camera body, camera body is placed in after in described cavity, heat-conducting silicone grease is poured in the gap between camera body and cavity chamber wall, like this, the heat that camera body produces in the course of the work just can be passed on radiating shell by heat-conducting silicone grease, the radiating fin be arranged at outside radiating shell can be the radiating surface that radiating shell provides larger, effect in conjunction with cooling fan carries out pressure cooling to radiating shell, reaches the object reducing camera body temperature.In above structure; camera body is fixed in the interval of a relative closure by radiating shell; protection can not only be provided for camera body; be convenient to the structure housing of camera body being set to a sealing simultaneously; when such camera body applies to outdoor, the impact on camera body inner body such as the dust in environment, steam can be avoided.Meanwhile, this structure adopts the technical scheme etc. of water-cooled in prior art, also has the advantage that structure is simple, convenient for installation and maintenance; What this structure adopted compared to traditional cameras arranges heat abstractor in the inner local of camera body, and area of dissipation larger outside radiating shell is conducive to the heat leakage speed strengthening heating part local.
In prior art, supervisory control system also has and uses comparatively widely, as forest fire protection, other natural disaster monitorings etc. in outdoor even wild environment.Within the guard shield more than arranged can make radiating shell, camera body and cooling fan be in shaded areas, to avoid them because directly by illumination, washed away by the fog of rainwater and decline, the factor such as surperficial laying dust in the infall process of dust, situation produces to cause each assembly life-span to reduce, the bad or monitored picture of dispelling the heat is unintelligible etc.; Meanwhile, guard shield as the kuppe of cooling fan, can also be beneficial to the pressure cooling effect of cooling fan to radiating shell simultaneously.
Preferably on the start-up circuit of cooling fan, connect one or more temperature sensor, automatically regulate the real-time rotate speed even realizing cooling fan to regulate with the start-stop realizing cooling fan; And cooling fan is arranged at the rear end of radiating shell, under being in the purging of cooling fan output wind to make the overwhelming majority outside radiating shell.
Further technical scheme is:
Be connected with radiating shell as a kind of camera body of being convenient to specifically, be convenient to the camera body of lens direction and the structure of radiating shell on adjustment camera body, described camera body and cavity are all cylindrically, camera body rear end central authorities are also fixed with threaded rod, described radiating shell is also provided with the internal thread hole be threaded with described threaded rod, described internal thread hole is positioned on the bottom surface of described cavity, threaded rod, camera body, cavity, the axis collinear of internal thread hole, threaded rod has also been threaded the second nut, described second nut is positioned at the outside of radiating shell.
In above structure, by being introduced the free end of threaded rod by the openend of cavity, internal thread hole is then made to be threaded with threaded rod, then be rotated further threaded rod, after camera body is embedded in cavity and lens direction be in captured picture without outer oblique time, by tightening the second nut, the relative position realizing camera body and radiating shell under the extruding force of the second nut and radiating shell is fixed.
For avoiding above-mentioned heat-conducting silicone grease to run off by above-mentioned gap when temperature is higher, described threaded rod is also arranged with sealing ring, and described sealing ring is between the second nut and the outside wall surface of radiating shell.
Specific implementation cooling fan being fixed on radiating shell rear end is convenient to as a kind of, also comprise the first nut be threadedly connected on threaded rod, described guard shield comprises the shielding portion in channel-section steel shape bent by metallic plate and the shrouding being connected to shielding portion rear end, described shrouding is provided with groove, and described cooling fan and shrouding are all held between the first nut and the second nut.Preferably be set to annular cambered surface groove with upper groove, be used for threaded rod with upper groove and pass, in the rundown process of the first nut, shrouding and cooling fan can be made to be clamped between two nuts.
Due to when concrete utilization, camera body camera lens is very large may be down, for ease of filling heat-conducting silicone grease, radiating shell is also provided with silicone grease inlet, described silicone grease inlet comprises gas thread through hole and is threadedly connected to the gas thread bolt on described gas thread through hole, and described gas thread through hole is as the passage of radiating shell outside with described gap.By above structure, after installing camera body and Sealing shield ring, disassemble described gas thread bolt, heat-conducting silicone grease is clamp-oned externally in described gap by gas thread through hole, above gap is filled up or after reaching adding amount at heat-conducting silicone grease, by gas thread bolt blocking gas thread through hole, like this, reach convenient goal of the invention of adding heat-conducting silicone grease.
Because heat-conducting silicone grease may not reach desirable mobility at ambient temperature, for further facilitating filling heat-conducting silicone grease, realize from multiple spot add or using single silicone grease inlet as all pressing mouth, more than one of described silicone grease inlet.
As a kind of specifically by Sealing shield ring extruding O type circle and make O type circle produce crimp to play the specific implementation of sealing function, the openend of described cavity is provided with the step of annular or the groove of annular, described O type circle is arranged at the step of described annular or the groove of annular, described Sealing shield ring is connected on radiating shell by hold-down bolt, and the axis collinear of the axis of Sealing shield ring and O type circle, the end of Sealing shield ring contacts with O type circle, in the rundown process of hold-down bolt, described Sealing shield ring is towards an end motion of O type circle.
For making this video camera, there is wireless communication capability and eliminate it to the dependence of civil power, to use it for the place being not easy to connect up, described camera body is also connected with radio receiving transmitting module, also comprise the storage battery be connected with camera body and cooling fan, described storage battery is also connected with solar panel, and described solar panel is arranged in the outside of guard shield.
When applying in wild environment for avoiding this camera assembly, flying bird and snake class stay on this assembly, affect the stability of this assembly function, described guard shield is also provided with vibrating sensor, the output of described vibrating sensor is also connected with boom unit, and the output of vibrating sensor is connected with the control signal input of boom unit.Preferably fix with other parts of upper shield and this camera assembly or other object single-points, vibrating sensor is fixed on the end of guard shield free end, during there to be foreign matter on this assembly, can be exported enabling signal by sensitive perception to boom unit.
The utility model has following beneficial effect:
1, in above structure; camera body is fixed in the interval of a relative closure by radiating shell; protection can not only be provided for camera body; be convenient to the structure housing of camera body being set to a sealing simultaneously; when such camera body applies to outdoor, the impact on camera body inner body such as the dust in environment, steam can be avoided.Meanwhile, this structure adopts the technical scheme etc. of water-cooled in prior art, also has the advantage that structure is simple, convenient for installation and maintenance; What this structure adopted compared to traditional cameras arranges heat abstractor in the inner local of camera body, and area of dissipation larger outside radiating shell is conducive to the heat leakage speed strengthening heating part local.
2, within the above guard shield arranged can make radiating shell, camera body and cooling fan be in shaded areas, to avoid them because directly by illumination, washed away by the fog of rainwater and decline, the factor such as surperficial laying dust in the infall process of dust, situation produces to cause each assembly life-span to reduce, the bad or monitored picture of dispelling the heat is unintelligible etc.; Meanwhile, guard shield as the kuppe of cooling fan, can also be beneficial to the pressure cooling effect of cooling fan to radiating shell simultaneously.
Accompanying drawing explanation
Fig. 1 is the front view of a kind of camera assembly described in the utility model specific embodiment;
Fig. 2 is the concrete partial sectional view of a kind of camera assembly described in the utility model.
Label in figure represents respectively: 1, camera body, the 11, first nut, and 12, threaded rod, the 13, second nut, 2, Sealing shield ring, 21, O type circle, 3, radiating shell, 31, internal thread hole, 32, silicone grease inlet, 4, cooling fan, 5, guard shield.
Embodiment
Below in conjunction with embodiment, the utility model is described in further detail, but structure of the present utility model is not limited only to following examples.
Embodiment 1:
As depicted in figs. 1 and 2, a kind of camera assembly, comprise camera body 1, also comprise radiating shell 3, described radiating shell 3 is for being provided with the barrel-like structure of cavity, and described camera body 1 is fixed in described cavity, and the shooting end of camera body 1 is positioned at the openend of described cavity, between camera body 1 and cavity chamber wall, there is gap, the outside of radiating shell 3 is also provided with multiple radiating fin;
Also comprise the Sealing shield ring 2 be fixed on radiating shell 3, described Sealing shield ring 2 in the form of a ring and be positioned on the openend of described cavity, O type circle 21 is also clamped with between Sealing shield ring 2 and radiating shell 3, at described Sealing shield ring 2 with under the compression of radiating shell 3 pairs of O type circles 21, the internal face of described O type circle 21 contacts with the outside wall surface of camera body 1, makes O type circle 21 form sealing to the openend in described gap;
Also comprise the position guard shield 5 fixing relative to radiating shell 3 position and cooling fan 4, within described cooling fan 4 and radiating shell 3 are all positioned at the shaded areas of described guard shield 5;
Also heat-conducting silicone grease is filled with in described gap.
Concrete, cavity on above radiating shell 3 is as the accommodation space of camera body 1, camera body 1 is placed in after in described cavity, heat-conducting silicone grease is poured in the gap between camera body 1 and cavity chamber wall, like this, the heat that camera body 1 produces in the course of the work just can be passed on radiating shell 3 by heat-conducting silicone grease, the radiating fin be arranged at outside radiating shell 3 can be the radiating surface that radiating shell 3 provides larger, effect in conjunction with cooling fan 4 carries out pressure cooling to radiating shell 3, reaches the object reducing camera body 1 temperature.In above structure; camera body 1 is fixed in the interval of a relative closure by radiating shell 3; protection can not only be provided for camera body 1; be convenient to the structure housing of camera body 1 being set to a sealing simultaneously; when such camera body 1 applies to outdoor, the impact on camera body 1 inner body such as the dust in environment, steam can be avoided.Meanwhile, this structure adopts the technical scheme etc. of water-cooled in prior art, also has the advantage that structure is simple, convenient for installation and maintenance; What this structure adopted compared to traditional cameras arranges heat abstractor in the inner local of camera body 1, and area of dissipation larger outside radiating shell 3 is conducive to the heat leakage speed strengthening heating part local.
In prior art, supervisory control system also has and uses comparatively widely, as forest fire protection, other natural disaster monitorings etc. in outdoor even wild environment.Within the guard shield 5 more than arranged can make radiating shell 3, camera body 1 and cooling fan 4 be in shaded areas, to avoid them because directly by illumination, washed away by the fog of rainwater and decline, the factor such as surperficial laying dust in the infall process of dust, situation produces to cause each assembly life-span to reduce, the bad or monitored picture of dispelling the heat is unintelligible etc.; Meanwhile, guard shield 5 as the kuppe of cooling fan 4, can also be beneficial to the pressure cooling effect of cooling fan 4 pairs of radiating shells 3 simultaneously.
In the present embodiment, the start-up circuit of cooling fan 4 connects one or more temperature sensor, automatically regulate the real-time rotate speed even realizing cooling fan 4 to regulate with the start-stop realizing cooling fan 4; And cooling fan 4 is arranged at the rear end of radiating shell 3, be under cooling fan 4 exports the purging of wind to make the overwhelming majority outside radiating shell 3.
Embodiment 2:
As depicted in figs. 1 and 2, the present embodiment is further qualified on the basis of embodiment 1: be connected with radiating shell 3 as a kind of camera body 1 of being convenient to specifically, be convenient to the camera body 1 of lens direction and the structure of radiating shell 3 on adjustment camera body 1, described camera body 1 and cavity are all cylindrically, camera body 1 rear end central authorities are also fixed with threaded rod 12, described radiating shell 3 is also provided with the internal thread hole 31 be threaded with described threaded rod 12, described internal thread hole 31 is positioned on the bottom surface of described cavity, threaded rod 12, camera body 1, cavity, the axis collinear of internal thread hole 31 4, threaded rod 12 has also been threaded the second nut 13, described second nut 13 is positioned at the outside of radiating shell 3.
In above structure, by being introduced the free end of threaded rod 12 by the openend of cavity, internal thread hole 31 is then made to be threaded with threaded rod 12, then be rotated further threaded rod 12, after camera body 1 is embedded in cavity and lens direction be in captured picture without outer oblique time, by tightening the second nut 13, under the second nut 13 with the extruding force of radiating shell 3, realizing camera body 1 fix with the relative position of radiating shell 3.
For avoiding above-mentioned heat-conducting silicone grease to run off by above-mentioned gap when temperature is higher, described threaded rod 12 is also arranged with sealing ring, described sealing ring is between the second nut 13 and the outside wall surface of radiating shell 3.
Specific implementation cooling fan 4 being fixed on radiating shell 3 rear end is convenient to as a kind of, also comprise the first nut 11 be threadedly connected on threaded rod 12, described guard shield 5 comprises the shielding portion in channel-section steel shape bent by metallic plate and the shrouding being connected to shielding portion rear end, described shrouding is provided with groove, and described cooling fan 4 and shrouding are all held between the first nut 11 and the second nut 13.Preferably be set to annular cambered surface groove with upper groove, be used for threaded rod 12 with upper groove and pass, in the rundown process of the first nut 11, shrouding and cooling fan 4 can be made to be clamped between two nuts.
Due to when concrete utilization, camera body 1 camera lens is very large may be down, for ease of filling heat-conducting silicone grease, radiating shell 3 is also provided with silicone grease inlet 32, described silicone grease inlet 32 comprises gas thread through hole and is threadedly connected to the gas thread bolt on described gas thread through hole, and described gas thread through hole is as the passage of radiating shell 3 outside with described gap.By above structure, after installing camera body 1 and Sealing shield ring 2, disassemble described gas thread bolt, heat-conducting silicone grease is clamp-oned externally in described gap by gas thread through hole, above gap is filled up or after reaching adding amount at heat-conducting silicone grease, by gas thread bolt blocking gas thread through hole, like this, reach convenient goal of the invention of adding heat-conducting silicone grease.
Because heat-conducting silicone grease may not reach desirable mobility at ambient temperature, for further facilitating filling heat-conducting silicone grease, realize from multiple spot add or using single silicone grease inlet 32 as all pressing mouth, more than one of described silicone grease inlet 32.
Embodiment 3:
As depicted in figs. 1 and 2, the basis of any one technical scheme that the present embodiment provides in above embodiment is further qualified: as a kind of extruding O type circle 21 by Sealing shield ring 2 and making O type circle 21 produce crimp to play the specific implementation of sealing function specifically, the openend of described cavity is provided with the step of annular or the groove of annular, described O type circle 21 is arranged at the step of described annular or the groove of annular, described Sealing shield ring 2 is connected on radiating shell 3 by hold-down bolt, and the axis collinear of the axis of Sealing shield ring 2 and O type circle 21, the end of Sealing shield ring 2 contacts with O type circle 21, in the rundown process of hold-down bolt, described Sealing shield ring 2 is towards an end motion of O type circle 21.
For making this video camera, there is wireless communication capability and eliminate it to the dependence of civil power, to use it for the place being not easy to connect up, described camera body 1 is also connected with radio receiving transmitting module, also comprise the storage battery be connected with camera body 1 and cooling fan 4, described storage battery is also connected with solar panel, and described solar panel is arranged in the outside of guard shield 5.
When applying in wild environment for avoiding this camera assembly, flying bird and snake class stay on this assembly, affect the stability of this assembly function, described guard shield 5 is also provided with vibrating sensor, the output of described vibrating sensor is also connected with boom unit, and the output of vibrating sensor is connected with the control signal input of boom unit.Preferably fix with other parts of upper shield 3 and this camera assembly or other object single-points, vibrating sensor is fixed on the end of guard shield 5 free end, during there to be foreign matter on this assembly, can be exported enabling signal by sensitive perception to boom unit.
Above content is the further description done the utility model in conjunction with concrete preferred implementation, can not assert that embodiment of the present utility model is confined to these explanations.For the utility model person of an ordinary skill in the technical field, not departing from other execution modes drawn under the technical solution of the utility model, all should be included in protection range of the present utility model.
Claims (9)
1. a camera assembly, comprise camera body (1), it is characterized in that, also comprise radiating shell (3), described radiating shell (3) is for being provided with the barrel-like structure of cavity, and described camera body (1) is fixed in described cavity, and the shooting end of camera body (1) is positioned at the openend of described cavity, between camera body (1) and cavity chamber wall, there is gap, the outside of radiating shell (3) is also provided with multiple radiating fin;
Also comprise the Sealing shield ring (2) be fixed on radiating shell (3), described Sealing shield ring (2) in the form of a ring and be positioned on the openend of described cavity, O type circle (21) is also clamped with between Sealing shield ring (2) and radiating shell (3), at described Sealing shield ring (2) and radiating shell (3) under the compression of O type circle (21), the internal face of described O type circle (21) contacts with the outside wall surface of camera body (1), makes O type circle (21) form sealing to the openend in described gap;
Also comprise the position guard shield (5) fixing relative to radiating shell (3) position and cooling fan (4), within described cooling fan (4) and radiating shell (3) are all positioned at the shaded areas of described guard shield (5);
Also heat-conducting silicone grease is filled with in described gap.
2. a kind of camera assembly according to claim 1, it is characterized in that, described camera body (1) and cavity are all cylindrically, camera body (1) rear end central authorities are also fixed with threaded rod (12), described radiating shell (3) is also provided with the internal thread hole (31) be threaded with described threaded rod (12), described internal thread hole (31) is positioned on the bottom surface of described cavity, threaded rod (12), camera body (1), cavity, the axis collinear of internal thread hole (31) four, threaded rod (12) has also been threaded the second nut (13), described second nut (13) is positioned at the outside of radiating shell (3).
3. a kind of camera assembly according to claim 2, is characterized in that, (12) are also arranged with sealing ring with described threaded rod, and described sealing ring is positioned between the outside wall surface of the second nut (13) and radiating shell (3).
4. a kind of camera assembly according to claim 2, it is characterized in that, also comprise the first nut (11) be threadedly connected on threaded rod (12), described guard shield (5) comprises the shielding portion in channel-section steel shape bent by metallic plate and the shrouding being connected to shielding portion rear end, described shrouding is provided with groove, and described cooling fan (4) and shrouding are all held between the first nut (11) and the second nut (13).
5. according to a kind of camera assembly in claim described in 1, it is characterized in that, radiating shell (3) is also provided with silicone grease inlet (32), described silicone grease inlet (32) comprises gas thread through hole and is threadedly connected to the gas thread bolt on described gas thread through hole, and described gas thread through hole is as the passage of radiating shell (3) outside with described gap.
6. a kind of camera assembly according to claim 5, is characterized in that, more than one of described silicone grease inlet (32).
7. a kind of camera assembly as claimed in any of claims 1 to 6, it is characterized in that, the openend of described cavity is provided with the step of annular or the groove of annular, described O type circle (21) is arranged at the step of described annular or the groove of annular, described Sealing shield ring (2) is connected on radiating shell (3) by hold-down bolt, and the axis collinear of the axis of Sealing shield ring (2) and O type circle (21), the end of Sealing shield ring (2) contacts with O type circle (21), in the rundown process of hold-down bolt, described Sealing shield ring (2) is towards an end motion of O type circle (21).
8. a kind of camera assembly as claimed in any of claims 1 to 6, it is characterized in that, (1) is also connected with radio receiving transmitting module to described camera body, also comprise the storage battery be connected with camera body (1) and cooling fan, described storage battery is also connected with solar panel, and described solar panel is arranged in the outside of guard shield (5).
9. a kind of camera assembly as claimed in any of claims 1 to 6, it is characterized in that, (5) are also provided with vibrating sensor with described guard shield, the output of described vibrating sensor is also connected with boom unit, and the output of vibrating sensor is connected with the control signal input of boom unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520992202.9U CN205142363U (en) | 2015-12-04 | 2015-12-04 | Subassembly of making a video recording |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520992202.9U CN205142363U (en) | 2015-12-04 | 2015-12-04 | Subassembly of making a video recording |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205142363U true CN205142363U (en) | 2016-04-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520992202.9U Expired - Fee Related CN205142363U (en) | 2015-12-04 | 2015-12-04 | Subassembly of making a video recording |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205142363U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109660704A (en) * | 2017-10-10 | 2019-04-19 | 安讯士有限公司 | Video camera |
-
2015
- 2015-12-04 CN CN201520992202.9U patent/CN205142363U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109660704A (en) * | 2017-10-10 | 2019-04-19 | 安讯士有限公司 | Video camera |
| CN109660704B (en) * | 2017-10-10 | 2021-06-25 | 安讯士有限公司 | Video camera |
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